NATIONAL Instruments LabVIEW Communications 802.11 Application Framework 2.1

Zambiri Zogulitsa: PXIe-8135

PXIe-8135 ndi chipangizo chomwe chimagwiritsidwa ntchito potumiza deta pawiri mu LabVIEW Communications 802.11 Application Framework 2.1. Chipangizocho chimafuna zida ziwiri za NI RF, mwina USRP
Zipangizo za RIO kapena ma module a FlexRIO, akuyenera kulumikizidwa ndi makompyuta osiyanasiyana omwe amakhala nawo, omwe angakhale ma laputopu, ma PC, kapena ma chasses a PXI. Kukhazikitsa kutha kugwiritsa ntchito zingwe za RF kapena tinyanga. Chipangizochi chimagwirizana ndi makina a PXI-based host host, PC yokhala ndi PCI-based kapena PCI Express-based MXI adapter, kapena laputopu yokhala ndi adapter ya MXI yochokera ku Express card. Dongosolo lothandizira liyenera kukhala ndi osachepera 20 GB a disk space yaulere ndi 16 GB ya RAM.

Zofunikira pa System

Mapulogalamu

• Windows 7 SP1 (64-bit) kapena Windows 8.1 (64-bit)
• LabuVIEW Communications System Design Suite 2.0
• 802.11 Ntchito Yogwiritsa Ntchito 2.1

Zida zamagetsi

Kuti mugwiritse ntchito 802.11 Application Framework pakutumiza kwa data pawiri, mufunika zida ziwiri za NI RF-kaya zida za USRP RIO zokhala ndi 40 MHz, 120 MHz, kapena 160 MHz bandwidth, kapena ma module a FlexRIO. Zipangizozi ziyenera kulumikizidwa ndi makompyuta osiyanasiyana omwe amalandila, omwe angakhale ma laputopu, ma PC, kapena PXI chassis. Chithunzi 1 chikuwonetsa kukhazikitsidwa kwa masiteshoni awiri pogwiritsa ntchito zingwe za RF (kumanzere) kapena tinyanga (kumanja).
Table 1 ikupereka zida zofunika kutengera kasinthidwe kosankhidwa.

Kusintha	Onse khwekhwe				Kukhazikitsa kwa USRP RIO		FlexRIO FPGA/FlexRIO RF adaputala module kukhazikitsa
	Host PC	SMA Chingwe	Attenuator	Mlongoti	USRP chipangizo	MXI Adapter	FlexRIO FPGA moduli	Adapter ya FlexRIO moduli
Zida ziwiri, zojambulidwa	2	2	2	0	2	2	2	2
Zida ziwiri, zowonjezera- mpweya [1]	2	0	0	4	2	2	2	2

• Owongolera: Akulimbikitsidwa—PXIe-1085 Chassis kapena PXIe-1082 Chassis yokhala ndi PXIe-8135 Controller yoyikidwa.
• Chingwe cha SMA: Chingwe chachikazi/ chachikazi chomwe chimaphatikizidwa ndi chipangizo cha USRP RIO.
• Mlongoti: Onani gawo la "RF Multi Station Mode: Over-the-Air Transmission" kuti mudziwe zambiri zamtunduwu.
• Chipangizo cha USRP RIO: USRP-2940/2942/2943/2944/2950/2952/2953/2954 Mapulogalamu Otanthauzira Ma Radio Reconfigurable Devices okhala ndi 40 MHz, 120 MHz, kapena 160 MHz bandiwifi.
• Attenuator yokhala ndi 30 dB attenuation ndi zolumikizira za SMA zachimuna/zakazi zomwe zimaphatikizidwa ndi chipangizo cha USRP RIO.
  Chidziwitso: Pakukhazikitsa moduli ya adapter ya FlexRIO/FlexRIO, chowongolera sichofunikira.
• FlexRIO FPGA gawo: PXIe-7975/7976 FPGA Module ya FlexRIO
• Module ya adaputala ya FlexRIO: NI-5791 RF Adapter Module ya FlexRIO

Malingaliro am'mbuyomu akuganiza kuti mukugwiritsa ntchito makina opangira PXI. Mutha kugwiritsanso ntchito PC yokhala ndi adaputala ya MXI yochokera ku PCI kapena PCI Express, kapena laputopu yokhala ndi adaputala ya MXI yotengera khadi ya Express.
Onetsetsani kuti wolandirayo ali ndi osachepera 20 GB a disk space yaulere ndi 16 GB ya RAM.

• Chenjezo: Musanagwiritse ntchito zida zanu, werengani zolemba zonse kuti muwonetsetse kuti zikutsatira chitetezo, EMC, ndi malamulo a chilengedwe.
• Chenjezo: Kuti muwonetsetse momwe EMC ikugwirira ntchito, gwiritsani ntchito zida za RF ndi zingwe zotetezedwa ndi zowonjezera.
• Chenjezo: Kuti muwonetsetse kuti EMC ikugwira ntchito, utali wa zingwe zonse za I/O kusiyapo zolumikizidwa ndi cholumikizira cha GPS cha chipangizo cha USRP sayenera kupitirira 3 m (10 ft.).
• Chenjezo: Zida za USRP RIO ndi NI-5791 RF sizivomerezedwa kapena kuloledwa kufalitsa mlengalenga pogwiritsa ntchito mlongoti. Zotsatira zake, kugwiritsa ntchito chida ichi ndi tinyanga kumatha kuswa malamulo am'deralo. Onetsetsani kuti mukutsatira malamulo onse a m'dera lanu musanagwiritse ntchito mankhwalawa ndi tinyanga.

Kusintha

• Zida ziwiri, zojambulidwa
• Zida ziwiri, zapamlengalenga [1]

Zosankha Zosintha za Hardware

Table 1 Zofunikira za Hardware

Zida	Onse khwekhwe	Kukhazikitsa kwa USRP RIO
Chithunzi cha SMA	2	0
Antenna ya Attenuator	2	0
Chida cha USRP	2	2
Adapter ya MXI	2	2
FlexRIO FPGA gawo	2	N / A
FlexRIO Adapter module	2	N / A

Malangizo Ogwiritsira Ntchito Zogulitsa

1. Onetsetsani kuti zolemba zonse zamalonda zawerengedwa ndikumvetsetsa kuti zitsimikizire kuti zikutsatira chitetezo, EMC, ndi malamulo a chilengedwe.
2. Onetsetsani kuti zida za RF zalumikizidwa ndi makompyuta osiyanasiyana omwe amakwaniritsa zofunikira zamakina.
3. Sankhani njira yoyenera yosinthira ma hardware ndikukhazikitsa zowonjezera zofunika malinga ndi Table 1.
4. Ngati mukugwiritsa ntchito mlongoti, onetsetsani kuti mwatsatira malamulo onse a m'dera lanu musanagwiritse ntchito mankhwalawa ndi mlongoti.
5. Kuti muwonetsetse kuti EMC ikugwira ntchito, gwiritsani ntchito zida za RF ndi zingwe zotetezedwa ndi zowonjezera.
6. Kuti muwonetsetse kuti EMC ikugwira ntchito, utali wa zingwe zonse za I/O kusiyapo zolumikizidwa ndi mlongoti wa GPS wa chipangizo cha USRP sayenera kupitirira 3 m (10 ft.).

Kumvetsetsa Zigawo za Sampndi Project

Ntchitoyi imapangidwa ndi LabVIEW host code ndi LabVIEW Khodi ya FPGA pazolinga za Hardware za USRP RIO kapena FlexRIO. Mapangidwe a chikwatu chogwirizana ndi zigawo za polojekitiyi zikufotokozedwa m'magawo otsatirawa.

Kapangidwe ka Foda
Kuti mupange chitsanzo chatsopano cha 802.11 Application Framework, yambitsani LabVIEW Communications System Design Suite 2.0 posankha LabVIEW Communications 2.0 kuchokera pa menyu Yoyambira. Kuchokera pa Ma template a Project pa tabu ya Project yomwe idakhazikitsidwa, sankhani Ma Application Frameworks. Kuti mutsegule polojekitiyi, sankhani:

• 802.11 Pangani USRP RIO v2.1 mukamagwiritsa ntchito zida za USRP RIO
• 802.11 Design FlexRIO v2.1 mukamagwiritsa ntchito ma module a FlexRIO FPGA/FlexRIO
• 802.11 Simulation v2.1 kuyendetsa nambala ya FPGA ya transmitter yakuthupi (TX) ndi wolandila (RX) pokonza ma siginecha mumayendedwe oyeserera. Kalozera wofananira wa projekiti yofananiza amalumikizidwa nayo.

Pama projekiti a 802.11 Design, zotsatirazi files ndi mafoda amapangidwa mkati mwa foda yomwe yatchulidwa:

• 802.11 Design USRP RIO v2.1.lvproject / 802.11 Design FlexRIO RIO v2.1.lvproject —Pulojekitiyi file ili ndi zambiri zokhudzana ndi ma subVIs olumikizidwa, zolinga ndi zomanga.
• 802.11 Host.gvi—Wolandila wapamwamba kwambiriyu VI akugwiritsa ntchito siteshoni ya 802.11. Wothandizira amalumikizana ndi pang'onofile pangani kuchokera pamlingo wapamwamba wa FPGA VI, 802.11 FPGA STA.gvi, yomwe ili mufoda yaying'ono yomwe mukufuna.
• Zomanga-Fodayi ili ndi kadulidwe koyambirirafiles kwa osankhidwa chandamale chipangizo.
• Common-Laibulale wamba ili ndi ma subVIs amtundu wa omwe akulandira ndi FPGA omwe amagwiritsidwa ntchito mu 802.11 Application Framework. Khodi iyi imaphatikizapo masamu ndi masinthidwe amitundu.
• FlexRIO/USRP RIO- Mafodawa ali ndi zomwe zakhazikitsidwa pazotsatira ndi ma FPGA ma subVIs, omwe amaphatikiza ma code kuti akhazikitse phindu komanso pafupipafupi. Khodi iyi nthawi zambiri imasinthidwa kuchokera pamakina omwe aperekedwa omwe akutsatiridwa sampndi ma project. Alinso ndi chandamale chapamwamba cha FPGA VIs.
• 802.11 v2.1-Foda iyi imakhala ndi magwiridwe antchito a 802.11 omwe amapatulidwa m'mafoda angapo a FPGA ndi chikwatu chosungira.

Zigawo
802.11 Application Framework imapereka nthawi yeniyeni ya orthogonal frequency-division multiplexing (OFDM) physical layer (PHY) ndi media access control (MAC) kukhazikitsa dongosolo la IEEE 802.11. The 802.11 Application Framework LabVIEW pulojekiti imagwiritsa ntchito magwiridwe antchito a siteshoni imodzi, kuphatikiza wolandila (RX) ndi transmitter (TX) magwiridwe antchito.

Chidziwitso Chotsatira ndi Kupatuka
802.11 Application Framework idapangidwa kuti igwirizane ndi mafotokozedwe a IEEE 802.11. Kuti mapangidwewo azikhala osinthika mosavuta, 802.11 Application Framework imayang'ana kwambiri magwiridwe antchito a muyezo wa IEEE 802.11.

• 802.11a- (Mode ya cholowa) ndi 802.11ac- (Njira Yapamwamba Kwambiri) imagwirizana ndi PHY
• Kuphunzitsa kuzindikirika kwa paketi kumunda
• Signal ndi data field encoding and decoding
• Clear Channel Assessment (CCA) yotengera mphamvu ndi kuzindikira kwa ma sign
• Wonyamula amazindikira njira zingapo zopewera kugundana (CSMA/CA) kuphatikiza kutumizanso
• Ndondomeko ya Random Backoff
• 802.11a ndi 802.11ac zimagwirizana ndi zigawo za MAC zothandizira pempho-kutumiza-kutumiza / kumveka-kutumiza (RTS / CTS), deta, ndi kuvomereza (ACK) kutumiza chimango
• ACK generation yokhala ndi 802.11 IEEE-compliant short interframe spacing (SIFS) nthawi (16 µs)
• Thandizo la Network Allocation Vector (NAV).
• MAC protocol data unit (MPDU) kupanga ndi ma multinode adilesi
• L1/L2 API yomwe imalola mapulogalamu akunja kugwiritsa ntchito zida zapamwamba za MAC monga njira yolumikizirana kuti mupeze magwiridwe antchito apakati ndi otsika a MAC.
  802.11 Application Framework imathandizira izi:
• Nthawi yayitali yolonda yokha
• Zomangamanga za single input single output (SISO), zokonzekera zotulutsa zingapo (MIMO)
• VHT20, VHT40, ndi VHT80 ya muyezo wa 802.11ac. Kwa 802.11ac 80 MHz bandwidth, chithandizocho chimakhala chochepa mpaka kusinthasintha ndi kupanga ndondomeko (MCS) nambala 4.
• Aggregated MPDU (A-MPDU) yokhala ndi MPDU imodzi ya muyezo wa 802.11ac
• Packet-by-packet automatic gain control (AGC) yololeza kutumizirana ndi kulandila pamlengalenga.

Pitani ku ni.com/info ndikulowetsa Info Code 80211AppFWManual kuti mupeze LabVIEW Communications 802.11 Application Framework Manual kuti mudziwe zambiri za kapangidwe ka 802.11 Application Framework.

Kuchita izi Sampndi Project

802.11 Application Framework imathandizira kulumikizana ndi kuchuluka kwa masiteshoni, komwe kumatchedwa RF Multi Station Mode. Njira zina zogwirira ntchito zikufotokozedwa mu gawo la "Zowonjezera Zopangira Ntchito ndi Zosankha Zosintha". Mu RF Multi Station Mode, siteshoni iliyonse imakhala ngati chipangizo chimodzi cha 802.11. Mafotokozedwe otsatirawa akuganiza kuti pali masiteshoni awiri odziyimira pawokha, iliyonse ikuyenda pa chipangizo chake cha RF. Amatchedwa Station A ndi Station B.

Kukonza Hardware: Chingwe
Kutengera kasinthidwe, tsatirani masitepe omwe ali mugawo la "Configuring USRP RIO Setup" kapena "Configuring FlexRIO/FlexRIO Adapter Module Setup".

Kukonzekera kwa USRP RIO System

1. Onetsetsani kuti zida za USRP RIO zalumikizidwa bwino ndi makina omwe akuyendetsa LabVIEW Communications System Design Suite.
2. Malizitsani zotsatirazi kuti mupange ma RF maulumikizidwe monga momwe tawonetsera pa Chithunzi 2.
   1.  Lumikizani zolumikizira ziwiri za 30 dB ku madoko a RF0/TX1 pa Station A ndi Station B.
   2. Lumikizani malekezero ena a attenuators ku zingwe ziwiri za RF.
   3. Lumikizani mbali ina ya chingwe cha RF chochokera ku Station A kupita ku doko la RF1/RX2 la Station B.
   4. Lumikizani mbali ina ya chingwe cha RF chochokera ku Station B kupita ku doko la RF1/RX2 la Station A.
3. Mphamvu pazida za USRP.
4. Mphamvu pamakina olandila.
   Zingwe za RF ziyenera kuthandizira pafupipafupi.

Kukonza FlexRIO System

1. Onetsetsani kuti zida za FlexRIO zalumikizidwa bwino ndi makina omwe akuyendetsa LabVIEW Communications System Design Suite.
2. Malizitsani zotsatirazi kuti mupange ma RF maulumikizidwe monga momwe tawonetsera pa Chithunzi 3.
   1. Lumikizani doko la TX la Station A kupita ku doko la RX la Station B pogwiritsa ntchito chingwe cha RF.
   2. Lumikizani doko la TX la Station B kudoko la RX la Station A pogwiritsa ntchito chingwe cha RF.
3. Mphamvu pamakina olandila.
   Zingwe za RF ziyenera kuthandizira pafupipafupi.

Kuyendetsa LabVIEW Kodi Host

Onetsetsani LabVIEW Communications System Design Suite 2.0 ndi 802.11 Application Framework 2.1 zimayikidwa pamakina anu. Kuyika kumayambika ndikuyendetsa setup.exe kuchokera pazowonjezera zoperekedwa. Tsatirani malangizo oyika kuti mumalize kuyika.
Masitepe ofunikira kuti muyendetse LabVIEW code host pamasiteshoni awiri akufupikitsidwa motere:

1. Kwa siteshoni A pa wolandira woyamba:
   • a. Launch LabVIEW Communications System Design Suite posankha LabVIEW Communications 2.0 kuchokera pa menyu Yoyambira.
   • b. Kuchokera pa tabu ya PROJECTS, sankhani Ma Application Frameworks »802.11 Design… kuti muyambitse ntchitoyi.
     • Sankhani 802.11 Design USRP RIO v2.1 ngati mukugwiritsa ntchito kukhazikitsidwa kwa USRP RIO.
     • Sankhani 802.11 Design FlexRIO v2.1 ngati mukugwiritsa ntchito kukhazikitsidwa kwa FlexRIO.
   • c. Mkati mwa pulojekitiyi, wolandila wamkulu VI 802.11 Host.gvi akuwonekera.
   • d. Konzani chizindikiritso cha RIO mu RIO Device control. Mutha kugwiritsa ntchito NI Measurement & Automation Explorer (MAX) kuti mupeze chizindikiritso cha RIO cha chipangizo chanu. Chida cha USRP RIO bandwidth (ngati 40 MHz, 80 MHz, ndi 160 MHz) chimadziwika mwachibadwa.
2. Bwerezani sitepe yoyamba ya Station B pa wolandira wachiwiri.
3. Khazikitsani Nambala ya Station A kukhala 1 ndi ya Station B kukhala 2.
4. Pakukhazikitsa FlexRIO, ikani Reference Clock kukhala PXI_CLK kapena REF IN/ClkIn.
   • a. Kwa PXI_CLK: Maumboni amatengedwa kuchokera ku chassis ya PXI.
   • b. REF IN/ClkIn: Bukuli likuchokera ku doko la ClkIn la NI-5791 adapter module.
5. Sinthani bwino makonda a Chipangizo cha MAC Adilesi ndi Adilesi ya MAC Yofikira pamasiteshoni onse awiri.
   • a. Siteshoni A: Khazikitsani Adilesi ya MAC ya Chipangizo ndi Adilesi ya MAC Yopita ku 46:6F:4B:75:6D:61 ndi 46:6F:4B:75:6D:62 (zosasintha).
   • b. Siteshoni B: Khazikitsani Adilesi ya MAC ya Chipangizo ndi Adilesi ya MAC yopita ku 46:6F:4B:75:6D:62 ndi 46:6F:4B:75:6D:61.
6. Pa siteshoni iliyonse, yendetsani LabuVIEW host VI podina batani lothamanga ( ).
   • a. Ngati zikuyenda bwino, chizindikiro cha Device Ready chimayatsa.
   • b. Mukalandira zolakwika, yesani imodzi mwa izi:
     • Onetsetsani kuti chipangizo chanu chalumikizidwa bwino.
     • Onani masinthidwe a RIO Chipangizo.
7. Yambitsani Station A pokhazikitsa Yambitsani Chiwongolero cha Sitimayo kukhala On. Chizindikiro cha Station Active chiyenera kuyatsidwa.
8. Yambitsani Station B pokhazikitsa Yambitsani Chiwongolero cha Sitimayo kukhala On. Chizindikiro cha Station Active chiyenera kuyatsidwa.
9. Sankhani tabu ya MAC, ndikutsimikizira kuti RX Constellation yomwe yawonetsedwa ikufanana ndi masinthidwe ndi ma coding omwe adakhazikitsidwa pogwiritsa ntchito magawo a MCS ndi Subcarrier Format pa siteshoni ina. Za example, siyani mtundu wa Subcarrier ndi MCS kuti ikhale yosasinthika pa Station A ndikukhazikitsa mtundu wa Subcarrier kukhala 40 MHz (IEEE 802.11 ac) ndi MCS kukhala 5 pa Station B. The 16-quadrature ampLitude modulation (QAM) imagwiritsidwa ntchito pa MCS 4 ndipo imapezeka pa mawonekedwe ogwiritsira ntchito Station B. The 64 QAM imagwiritsidwa ntchito pa MCS 5 ndipo imapezeka pa mawonekedwe ogwiritsira ntchito Station A.
10. Sankhani RF & PHY tabu, ndikutsimikizira kuti mawonekedwe a RX Power akufanana ndi mawonekedwe osankhidwa a Subcarrier pa siteshoni ina. Siteshoni A imawonetsa sipekitiramu yamagetsi 40 MHz RX pomwe Station B imawonetsa sipekitiramu yamagetsi 20 MHz RX.

Zindikirani: Zida za USRP RIO zokhala ndi 40 MHz bandwidth sizingathe kutumiza kapena kulandira mapaketi osungidwa ndi 80 MHz bandwidth.
Ma 802.11 Application Framework olumikizana nawo a Station A ndi B akuwonetsedwa pazithunzi 6 ndi 7, motsatana. Kuwunika momwe siteshoni iliyonse ilili, 802.11 Application Framework imapereka zizindikiro ndi ma graph osiyanasiyana. Zokonda zonse zogwiritsira ntchito komanso ma graph ndi zizindikiro zikufotokozedwa m'magawo otsatirawa. Zowongolera pagawo lakutsogolo zimagawidwa m'magulu atatu awa:

• Zokonda pa Ntchito: Zowongolera izi ziyenera kukhazikitsidwa musanayatse siteshoni.
• Zikhazikiko za Static Runtime: Zowongolerazi ziyenera kuzimitsidwa ndiyeno pasiteshoni. The Enable Station control imagwiritsidwa ntchito.
• Zokonda pa Dynamic Runtime: Zowongolera izi zitha kukhazikitsidwa pomwe siteshoni ikuyendera.

Kufotokozera za Ulamuliro ndi Zizindikiro

Zowongolera Zoyambira ndi Zizindikiro

Zokonda pa Ntchito 
Zokonda zogwiritsira ntchito zimagwiritsidwa ntchito pamene VI iyamba ndipo sizingasinthidwe pamene VI ikugwira ntchito. Kusintha makondawa, siyani VI, gwiritsani ntchito zosintha, ndikuyambitsanso VI. Iwo akuwonetsedwa mu Chithunzi 6.

Parameter	Kufotokozera
RIO Chipangizo	Adilesi ya RIO ya chipangizo cha RF hardware.
Buku Koloko	Imakonza zolozera za mawotchi a chipangizocho. Mafupipafupi ofotokozera ayenera kukhala 10 MHz. Mukhoza kusankha kuchokera kuzinthu zotsatirazi: Zamkati-Amagwiritsa ntchito wotchi yamkati. REF IN / ClkIn-Zolembazo zatengedwa kuchokera ku REF IN port (USRP-294xR, ndi USRP-295XR) kapena doko la ClkIn (NI 5791). GPS-Zolembazo zimatengedwa ku gawo la GPS. Zimagwira ntchito pazida za USRP- 2950/2952/2953 zokha. PXI_CLK-Nkhaniyi idatengedwa kuchokera ku PXI chassis. Ingogwira ntchito pazolinga za PXIe- 7975/7976 zokhala ndi ma module a adapter a NI-5791.
Ntchito Mode	Zakhazikitsidwa ngati zokhazikika muzithunzi za block. 802.11 Application Framework imapereka mitundu iyi: RF Loopback-Amalumikiza njira ya TX ya chipangizo chimodzi ndi njira ya RX ya chipangizo chomwecho pogwiritsa ntchito RF cabling kapena kugwiritsa ntchito tinyanga. RF Zambiri Sitimayi-Kutumiza kwa data pafupipafupi ndi masiteshoni awiri kapena kuposerapo odziyimira pawokha omwe akuyenda pazida zomwe zimalumikizidwa ndi tinyanga kapena zolumikizira zingwe. RF Multi Station ndiye njira yokhazikika yogwirira ntchito. Baseband kuzungulira-Zofanana ndi RF loopback, koma chingwe chakunja chakunja chimasinthidwa ndi njira yamkati ya digito ya baseband loopback.

Zikhazikiko za Static Runtime
Zochunira za nthawi yokhazikika zitha kusinthidwa pomwe siteshoni yazimitsidwa. Ma parameters amagwiritsidwa ntchito pamene siteshoni yayatsidwa. Iwo akuwonetsedwa mu Chithunzi 6.

Parameter	Kufotokozera
Sitimayi Nambala	Kuwongolera manambala kuti muyike nambala yasiteshoni. Malo aliwonse othamanga ayenera kukhala ndi nambala yosiyana. Zitha kukhala mpaka 10. Ngati wogwiritsa ntchito akufuna kuonjezera chiwerengero cha malo othamanga, cache ya MSDU Sequence Number assignment and Duplicate Detection iyenera kuwonjezeredwa kumtengo wofunikira, popeza mtengo wokhazikika ndi 10.
Pulayimale Channel Pakati pafupipafupi [Hz]	Ndilo mayendedwe oyambira pakati pa ma transmitter mu Hz. Makhalidwe ovomerezeka amadalira chipangizo chomwe siteshoni ikugwiritsira ntchito.
Pulayimale Channel Wosankha	Kuwongolera manambala kuti mudziwe kuti ndi subband iti yomwe imagwiritsidwa ntchito ngati njira yoyamba. PHY imakwirira 80 MHz bandwidth, yomwe imatha kugawidwa m'magulu anayi {0,…, 3} a 20 MHz bandwidth pa siginecha yosakhala yapamwamba (yosakhala HT). Kwa ma bandwidths ambiri ma subband amaphatikizidwa. Pitani ku ni.com/info ndikulowetsa Info Code 80211AppFWManual kuti mupeze LabuVIEW Kulankhulana 802.11 Kugwiritsa ntchito Framework Pamanja kuti mudziwe zambiri za channelization.
Mphamvu Mlingo [dBm]	Mulingo wamagetsi otulutsa poganizira kutumiza kwa siginecha yopitilira (CW) yomwe ili ndi mitundu yonse ya digito to analogi converter (DAC). Mphamvu yapamwamba kwambiri ya OFDM imatanthawuza kuti mphamvu yotulutsa mafelemu 802.11 nthawi zambiri imakhala 9 dB mpaka 12 dB pansi pa mphamvu yosinthidwa.
TX RF Port	Doko la RF lomwe limagwiritsidwa ntchito pa TX (limagwira ntchito pazida za USRP RIO zokha).
RX RF Port	Doko la RF lomwe limagwiritsidwa ntchito pa RX (limagwira ntchito pazida za USRP RIO zokha).
Chipangizo MAC Adilesi	Adilesi ya MAC yolumikizidwa ndi siteshoni. Chizindikiro cha Boolean chikuwonetsa ngati adilesi ya MAC yoperekedwayo ndiyovomerezeka kapena ayi. Kutsimikizika kwa adilesi ya MAC kumachitika mumayendedwe osinthika.

Zokonda pa Dynamic Runtime
Zochunira za Dynamic Runtime zitha kusinthidwa nthawi iliyonse ndipo zitha kugwiritsidwa ntchito nthawi yomweyo, ngakhale siteshoni ikugwira. Iwo akuwonetsedwa mu Chithunzi 6.

Parameter	Kufotokozera
Wonyamula katundu Mtundu	Imakulolani kuti musinthe pakati pa mawonekedwe a IEEE 802.11. Mafomu othandizira ndi awa:

	· 802.11a ndi 20 MHz Bandwidth · 802.11ac yokhala ndi 20 MHz Bandwidth · 802.11ac yokhala ndi 40 MHz Bandwidth · 802.11ac yokhala ndi 80 MHz Bandwidth (MCS yothandizidwa mpaka 4)
MCS	Mawonekedwe osinthika ndi ma coding scheme omwe amagwiritsidwa ntchito kuyika mafelemu a data. Mafelemu a ACK amatumizidwa nthawi zonse ndi MCS 0. Dziwani kuti sizinthu zonse za MCS zomwe zimagwira ntchito pamapangidwe onse amtundu wa subcarrier ndipo tanthauzo la MCS limasintha ndi mawonekedwe a subcarrier. Malo olembedwa pafupi ndi gawo la MCS akuwonetsa masinthidwe osinthira ndi kuchuluka kwa ma code a MCS ndi Subcarrier Format.
AGC	Ngati yayatsidwa, masinthidwe abwino kwambiri amasankhidwa kutengera mphamvu ya siginecha yolandilidwa. Phindu la phindu la RX limatengedwa kuchokera ku Manual RX Gain ngati AGC yayimitsidwa.
Pamanja RX Kupindula [dB]	Mtengo wa RX Manual. Imagwiritsidwa ntchito ngati AGC yayimitsidwa.
Kopita MAC Adilesi	Adilesi ya MAC ya kopita komwe mapaketi ayenera kutumizidwa. Chizindikiro cha Boolean chikuwonetsa ngati adilesi ya MAC yoperekedwayo ndiyovomerezeka kapena ayi. Ngati ikugwira ntchito mu RF loopback mode, fayilo ya Kopita MAC Adilesi ndi Chipangizo MAC Adilesi ziyenera kukhala zofanana.

Zizindikiro
Gome lotsatirali likuwonetsa zizindikiro zomwe zidachitika pagawo lalikulu lakutsogolo monga momwe zasonyezedwera pa Chithunzi 6.

Parameter	Kufotokozera
Chipangizo Okonzeka	Chizindikiro cha boolean chikuwonetsa ngati chipangizocho chakonzeka. Mukalandira zolakwika, yesani imodzi mwa izi: · Onetsetsani kuti chipangizo chanu cha RIO chikugwirizana bwino. · Onani kasinthidwe ka RIO Chipangizo. · Onani nambala yasiteshoni. Ziyenera kukhala zosiyana ngati masiteshoni angapo akuyendetsa pagulu limodzi.
Zolinga FIFO Kusefukira	Chizindikiro cha Boolean chomwe chimayatsa ngati pali kusefukira kwa zomwe mukufuna kuchititsa (T2H) zoyambira zoyambira zokumbukira (FIFOs). Ngati imodzi mwa T2H FIFOs ikusefukira, chidziwitso chake sichikhalanso chodalirika. Ma FIFO awa ndi awa: · T2H RX Data kusefukira · T2H Constellation kusefukira · T2H RX Power Spectrum kusefukira · Kuyerekeza kwa T2H Channel kusefukira · TX kupita ku RF FIFO kusefukira
Sitimayi Yogwira	Chizindikiro cha Boolean chikuwonetsa ngati siteshoni ya RF ikugwira ntchito pambuyo poyambitsa siteshoniyo pokhazikitsa Yambitsani Sitimayi kulamulira ku On.
Zagwiritsidwa ntchito RX Kupindula [dB]	Chizindikiro cha manambala chikuwonetsa phindu la RX lomwe likugwiritsidwa ntchito pano. Mtengo uwu ndi Kupindula kwa Mabuku a RX pamene AGC yazimitsidwa, kapena kupindula kwa RX pamene AGC yayatsidwa. Muzochitika zonsezi, phindu lopindula limakakamizika ndi mphamvu za chipangizocho.
Zovomerezeka	Zizindikiro za boolean zikuwonetsa ngati zaperekedwa Chipangizo MAC Adilesi ndi Kopita MAC Adilesi zogwirizana ndi masiteshoni ndizovomerezeka.

Chithunzi cha MAC

Matebulo otsatirawa akuwonetsa zowongolera ndi zizindikiro zomwe zayikidwa pa MAC Tab monga zikuwonekera pa Chithunzi 6.

Zokonda pa Dynamic Runtime

Parameter

Kufotokozera

Deta Gwero

Imatsimikizira komwe mafelemu a MAC amatumizidwa kuchokera kwa wolandira kupita ku chandamale. Kuzimitsa-Njirayi ndiyothandiza kuletsa kutumiza deta ya TX pomwe unyolo wa TX ukugwira ntchito kuyambitsa mapaketi a ACK. UDP-Njirayi ndiyothandiza powonetsa ma demos, monga kugwiritsa ntchito pulogalamu yakunja yotsatsira makanema, kapena kugwiritsa ntchito chida choyesera chakunja chapaintaneti, monga Iperf. Mwanjira iyi, zolowera zimafika kapena zimapangidwa kuchokera ku siteshoni ya 802.11 pogwiritsa ntchito datagram protocol (UDP). PN Deta-Njira iyi imatumiza ma bits mwachisawawa ndipo ndiyothandiza pakuyesa magwiridwe antchito. Kukula kwa paketi ndi mtengo zitha kusinthidwa mosavuta.

	Pamanja-Njira iyi ndiyothandiza kuyambitsa mapaketi amodzi kuti athetse vuto. Zakunja-Lolani kuzindikira kwapamwamba kwa MAC kapena mapulogalamu ena akunja kuti agwiritse ntchito machitidwe a MAC & PHY operekedwa ndi 802.11 Application Framework.
Deta Gwero Zosankha	Tsamba lililonse likuwonetsa zosankha zamagwero ofananirako a data. UDP Tabu- Doko laulere la UDP loti mutengerenso deta ya transmitter limachokera kutengera nambala ya station. PN Tabu – PN Deta Paketi Kukula-Kukula kwa paketi mu ma byte (osiyana ndi 4061, omwe ndi A-MPDU imodzi yochepetsedwa ndi MAC pamwamba) PN Tabu – PN Paketi pa Chachiwiri-Chiwerengero cha mapaketi oti atumize pamphindikati (zochepa mpaka 10,000. Zomwe zingatheke zitha kukhala zochepa malinga ndi kasinthidwe ka siteshoni). Pamanja Tabu – Choyambitsa TX-Kuwongolera kwa Boolean kuyambitsa paketi imodzi ya TX.
Deta Sinki	Lili ndi zotsatirazi: ·          Kuzimitsa-Deta imatayidwa. ·          UDP-Akayatsidwa, mafelemu olandilidwa amatumizidwa ku adilesi ya UDP yokhazikitsidwa ndi doko (onani pansipa).
Deta Sinki Njira	Ili ndi masinthidwe ofunikira otsatirawa panjira yozama ya data ya UDP: ·          Kutumiza IP Adilesi- Adilesi ya IP yofikira pamayendedwe a UDP. ·          Kutumiza Port-Cholinga cha UDP pamayendedwe otulutsa UDP, nthawi zambiri pakati pa 1,025 ndi 65,535.
Bwezerani TX Chiwerengero	Kuwongolera kwa Boolean kuti mukhazikitsenso zowerengera zonse za MAC TX Ziwerengero gulu.
Bwezerani RX Chiwerengero	Kuwongolera kwa Boolean kuti mukhazikitsenso zowerengera zonse za MAC RX Ziwerengero gulu.
makhalidwe abwino pa chachiwiri	Kuwongolera kwa Boolean kuwonetsa MAC TX Ziwerengero ndi MAC RX Ziwerengero monga zikhalidwe zomwe zasonkhanitsidwa kuyambira pakukonzanso komaliza kapena makonda pamphindikati.

Ma graph ndi Zizindikiro
Gome lotsatirali likuwonetsa zizindikiro ndi ma graph omwe aperekedwa pa MAC Tab monga momwe zasonyezedwera pa Chithunzi 6.

Parameter	Kufotokozera
Deta Gwero Zosankha – UDP	Landirani Port-Doko la UDP lochokera kumayendedwe a UDP. FIFO Zodzaza-Zikuwonetsa kuti socket buffer ya owerenga UDP ndi yaying'ono kuti awerenge zomwe zapatsidwa, kotero mapaketi amachotsedwa. Wonjezerani kukula kwa socket buffer. Deta Kusamutsa-Zikuwonetsa kuti mapaketi amawerengedwa bwino kuchokera padoko lomwe laperekedwa. Yang'anani kumayendedwe amakanema kuti mumve zambiri.
Deta Sinki Njira – UDP	FIFO Zodzaza-Zimasonyeza kuti socket buffer ya wotumiza UDP ndi yaying'ono kuti alandire malipiro kuchokera ku RX Data direct memory access (DMA) FIFO, kotero mapaketi amachotsedwa. Wonjezerani kukula kwa socket buffer. Deta Kusamutsa-Zikuwonetsa kuti mapaketi amawerengedwa bwino kuchokera ku DMA FIFO ndikutumizidwa kudoko la UDP lomwe lapatsidwa.
RX Gulu la Nyenyezi	Chiwonetsero chazithunzi chikuwonetsa kuwundana kwa RX I/Q sampzochepa za gawo la data lomwe mwalandira.
RX Kupititsa patsogolo [bits/s]	Chiwonetsero cha manambala chikuwonetsa kuchuluka kwa deta yamafuremu olandilidwa bwino komanso osankhidwa omwe akufanana ndi Chipangizo MAC Adilesi.
Deta Mtengo [Mbps]	Chiwonetsero chazithunzi chikuwonetsa kuchuluka kwa data yamafuremu olandilidwa bwino komanso ojambulidwa ofanana ndi Chipangizo MAC Adilesi.
MAC TX Ziwerengero	Manambala owonetsa akuwonetsa kufunikira kwa zowerengera zotsatirazi zokhudzana ndi MAC TX. Mamtengo omwe aperekedwawo akhoza kukhala osonkhanitsidwa kuyambira pakukonzanso komaliza kapena makonda pamphindikati kutengera momwe machitidwe a Boolean alili. makhalidwe abwino pa chachiwiri. · RTS Yayambitsa · CTS Inayambitsa · Data Yayambitsa · ACK Yayambitsa
MAC RX Ziwerengero	Manambala owonetsa akuwonetsa kufunikira kwa zowerengera zotsatirazi zokhudzana ndi MAC RX. Mamtengo omwe aperekedwawo akhoza kukhala osonkhanitsidwa kuyambira pakukonzanso komaliza kapena makonda pamphindikati kutengera momwe machitidwe a Boolean alili. makhalidwe abwino pa chachiwiri. · Mau oyamba azindikirika (ndi kulunzanitsa)

	· PHY service data units (PSDUs) yolandiridwa (mafelemu okhala ndi mutu wovomerezeka wa convergence process (PLCP), mafelemu opanda kuphwanya mawonekedwe) · MPDU CRC OK (kudutsa kwa chimango (FCS) cheke) · RTS yapezeka · CTS yapezeka · Deta yapezeka · ACK wapezeka
TX Cholakwika Mitengo	Chiwonetsero chazithunzi chikuwonetsa kuchuluka kwa zolakwika za paketi ya TX ndi kuchuluka kwa zolakwika za block block. Mtengo wolakwika wa paketi ya TX umawerengedwa ngati chiŵerengero cha MPDU yopambana yotumizidwa ku chiwerengero cha mayesero opatsirana. Chiwerengero cha zolakwika za TX block chimawerengedwa ngati chiŵerengero cha MPDU yopambana yomwe imaperekedwa ku chiwerengero chonse cha kutumiza. Makhalidwe aposachedwa kwambiri akuwonetsedwa kumtunda kumanja kwa graph.
Avereji Kutumizanso pa Paketi	Chiwonetsero chazithunzi chikuwonetsa avareji yamayesero opatsirana. Mtengo waposachedwa ukuwonetsedwa kumtunda kumanja kwa graph.

RF & PHY Tab
Matebulo otsatirawa akuwonetsa zowongolera ndi zizindikiro zomwe zayikidwa pa RF & PHY Tab monga zikuwonekera pa Chithunzi 8.

Zokonda pa Dynamic Runtime 

Parameter	Kufotokozera
CCA Mphamvu Kuzindikira Poyambira [dBm]	Ngati mphamvu ya siginecha yolandilidwayo ili pamwamba pa khomo, siteshoniyo imayenereza sing'angayo kukhala yotanganidwa ndikusokoneza njira yake ya Backoff, ngati ilipo. Khazikitsani CCA Mphamvu Kuzindikira Poyambira [dBm] kuwongolera pamtengo womwe ndi wapamwamba kuposa mtengo wocheperako wa curve wapano mu graph ya RF Input Power.

Ma graph ndi Zizindikiro

Parameter	Kufotokozera
Kukakamizidwa LO pafupipafupi TX [Hz]	Ma frequency a TX omwe amagwiritsidwa ntchito pa chandamale.
RF pafupipafupi [Hz]	Mafupipafupi a RF Center pambuyo pa kusintha kutengera mawonekedwe a Pulayimale Channel Wosankha control ndi bandwidth yogwira ntchito.
Kukakamizidwa LO pafupipafupi RX [Hz]	Zomwe zimagwiritsidwa ntchito pafupipafupi za RX pa chandamale.

Kukakamizidwa Mphamvu Mlingo [dBm]	Mulingo wamphamvu wamafunde osalekeza a 0 dBFS omwe amapereka zoikamo za chipangizochi. Mphamvu yapakati yotulutsa ma siginecha a 802.11 ndi pafupifupi 10 dB pansi pamlingo uwu. Imawonetsa mulingo weniweni wamagetsi poganizira ma frequency a RF ndi ma calibration okhudzana ndi chipangizo kuchokera ku EEPROM.
Kulipidwa CFO [Hz]	Zonyamula ma frequency offset zazindikirika ndi coarse frequency estimation unit. Pa adapter module ya FlexRIO/FlexRIO, ikani wotchiyo kukhala PXI_CLK kapena REF IN/ClkIn.
Channelization	Chiwonetsero chazithunzi chikuwonetsa gulu laling'ono lomwe limagwiritsidwa ntchito ngati njira yoyambira kutengera Pulayimale Channel Wosankha. PHY imakwirira bandwidth ya 80 MHz, yomwe imatha kugawidwa m'magulu anayi {0,...,3} a 20 MHz bandwidth ya siginecha yomwe si-HT. Kwa ma bandwidths (40 MHz kapena 80 MHz), magulu ang'onoang'ono amaphatikizidwa. Pitani ku ni.com/info ndikulowetsa Info Code 80211AppFWManual kuti mupeze LabuVIEW Kulankhulana 802.11 Kugwiritsa ntchito Framework Pamanja kuti mudziwe zambiri za channelization.
Channel Kuyerekeza	Chiwonetsero chazithunzi chikuwonetsa amplitude ndi gawo la njira yoyerekeza (kutengera L-LTF ndi VHT-LTF).
Baseband RX Mphamvu	Chiwonetsero chazithunzi chikuwonetsa mphamvu ya siginecha ya baseband poyambira paketi. Chizindikiro cha manambala chikuwonetsa mphamvu ya baseband ya wolandila weniweni. Pamene AGC yathandizidwa, fayilo ya 802.11 Application Framework imayesetsa kusunga mtengo uwu pa zomwe zaperekedwa AGC chandamale chizindikiro mphamvu in Zapamwamba tabu posintha phindu la RX moyenera.
TX Mphamvu Spectrum	Chithunzi chojambula chamakono a baseband spectrum kuchokera ku TX.
RX Mphamvu Spectrum	Chithunzi chojambula chamakono a baseband spectrum kuchokera ku RX.
RF Zolowetsa Mphamvu	Imawonetsa mphamvu zolowetsa za RF mu dBm mosasamala mtundu wa chizindikiro chomwe chikubwera ngati paketi ya 802.11 yapezeka. Chizindikirochi chikuwonetsa mphamvu yolowetsa ya RF, mu dBm, yomwe ikuyesedwa pano, komanso poyambira paketi yaposachedwa.

Zapamwamba Tabu

Tebulo ili ili ndi mndandanda wa zowongolera zomwe zayikidwa pa Advanced Tab monga zikuwonetsedwera pa Chithunzi 9.

Zikhazikiko za Static Runtime

Parameter

Kufotokozera

kulamulira chimango TX vekitala kasinthidwe	Imayika ma MCS osinthidwa mu ma vekta a TX pa mafelemu a RTS, CTS kapena ACK. Kusasinthika kwa chimango cha mafelemu amenewo ndi Non-HT-OFDM ndi 20 MHz bandwidth pomwe MCS ikhoza kukhazikitsidwa kuchokera kwa wolandira.
dot11RTST	Semi-static parameter yogwiritsidwa ntchito ndi mafelemu osankhidwa kusankha ngati RTS|CTS ndiyololedwa kapena ayi. · Ngati kutalika kwa PSDU, ndiko kuti, PN Deta Paketi Kukula, ndi yayikulu kuposa dot11RTSTthreshold, ndi {RTS | CTS | DATA | ACK} ndondomeko ya chimango imagwiritsidwa ntchito. · Ngati kutalika kwa PSDU, ndiko kuti, PN Deta Paketi Kukula, ndi yocheperapo kapena yofanana ndi dot11RTSThreshold, ndi {DATA | ACK} ndondomeko ya chimango imagwiritsidwa ntchito. Makinawa amalola masiteshoni kuti asinthidwe kuti ayambitse RTS/CTS nthawi zonse, ayi, kapena pamafelemu otalikirapo kuposa kutalika kwake.
dot11ShortRetryLimit	Semi-static parameter—Chiwerengero chachikulu cha kuyesanso chomwe chimagwiritsidwa ntchito pamtundu wachidule wa MPDU (zotsatira zopanda RTS|CTS). Ngati chiwerengero cha malire oyesanso chafikira, chimataya MPDU ndi kasinthidwe ka MPDU ndi TX vector.
dot11LongRetryLimit	Semi-static parameter-Chiwerengero chochuluka cha kuyesanso chomwe chimagwiritsidwa ntchito pamtundu wautali wa MPDU (zotsatizana kuphatikizapo RTS|CTS). Ngati chiwerengero cha malire oyesanso chafikira, chimataya MPDU ndi kasinthidwe ka MPDU ndi TX vector.
RF Loopback Chiwonetsero Mode	Kuwongolera kwa boolean kuti musinthe pakati pa njira zogwirira ntchito: RF Multi-Station (Boolean ndi zabodza): Pafupifupi masiteshoni awiri amafunikira pokhazikitsa, pomwe siteshoni iliyonse imakhala ngati chipangizo chimodzi cha 802.11. RF Loopback (Boolean ndizoona): Chida chimodzi chimafunika. Kukonzekera uku ndikothandiza kwa ma demo ang'onoang'ono ogwiritsa ntchito siteshoni imodzi. Komabe, mawonekedwe a MAC omwe akhazikitsidwa ali ndi malire mu RF Loopback mode. Mapaketi a ACK atayika pamene MAC TX ikuwayembekezera; makina a boma a DCF pa FPGA ya MAC amalepheretsa izi. Chifukwa chake, MAC TX nthawi zonse imati kufalitsa kwalephera. Chifukwa chake, kuchuluka kwa zolakwika za paketi ya TX ndi kuchuluka kwa zolakwika za block ya TX pazomwe zikuwonetsa za TX Error Rates ndi zina.

Zokonda pa Dynamic Runtime 

Parameter	Kufotokozera
Kubwerera	Mtengo wakumbuyo womwe umayikidwa chimango chisanatumizidwe. Kumbuyo kumawerengedwa mu kuchuluka kwa mipata ya 9 µs nthawi. Kutengera mtengo wam'mbuyo, kuwerengera kumbuyo kwa njira yobwerera kutha kukhazikitsidwa kapena mwachisawawa: · Ngati mtengo wa backoff ndi wokulirapo kapena wofanana ndi ziro, kubweza kokhazikika kumagwiritsidwa ntchito. · Ngati mtengo wa backoff uli wolakwika, kuwerengera kobwerezabwereza kumagwiritsidwa ntchito.
AGC chandamale chizindikiro mphamvu	Target RX mphamvu mu digito baseband yogwiritsidwa ntchito ngati AGC yayatsidwa. Kufunika koyenera kumadalira kuchuluka kwamphamvu kwamphamvu (PAPR) ya siginecha yolandiridwa. Khazikitsani AGC chandamale chizindikiro mphamvu pamtengo wokulirapo kuposa womwe ukuwonetsedwa mu Baseband RX Mphamvu graph.

Zochitika Tab
Matebulo otsatirawa akuwonetsa zowongolera ndi zizindikiro zomwe zayikidwa pa Zochitika Tab monga zikuwonekera pa Chithunzi 10.

Zokonda pa Dynamic Runtime

Parameter	Kufotokozera
FPGA zochitika ku njira	Ili ndi zowongolera za Boolean; Chiwongolero chilichonse chimagwiritsidwa ntchito kuti chithandizire kapena kuletsa kutsata kwa chochitika chofananira cha FPGA. Zochitikazo ndi izi: ·          PHY TX kuyamba pempho ·          PHY TX TSIRIZA chizindikiro ·          PHY RX kuyamba chizindikiro ·          PHY RX TSIRIZA chizindikiro ·          PHY CCA nthawi chizindikiro ·          PHY RX phindu kusintha chizindikiro ·          DCF boma chizindikiro ·          MAC MPDU RX chizindikiro ·          MAC MPDU TX pempho
Zonse	Kuwongolera kwa Boolean kuti athe kutsata zochitika zomwe zachitika pamwambapa za FPGA.
Palibe	Kuwongolera kwa Boolean kuti muyimitse kutsatira zomwe zachitika pamwambapa za FPGA.
chipika file chiyambi	Tchulani mawu file kuti mulembe zochitika za FPGA zomwe zawerengedwa kuchokera ku Chochitika cha DMA FIFO. Iwo anapereka pamwamba mu FPGA zochitika ku njira. Chochitika chilichonse chimakhala ndi nthawi ya stamp ndi deta ya zochitika. Mawu file amapangidwa kwanuko mu chikwatu polojekiti. Zochitika zosankhidwa zokha mu FPGA zochitika ku njira pamwamba zidzalembedwa m'malemba file.
Lembani ku file	Kuwongolera kwa Boolean kuti mutsegule kapena kuletsa kulemba kwa zochitika zosankhidwa za FPGA pamawu file.
Zomveka Zochitika	Boolean control kuti muchotse mbiri ya zochitika pagulu lakutsogolo. Kukula kosasinthika kwa mbiri ya chochitikacho ndi 10,000.

Status Tab

Matebulo otsatirawa akutchula zizindikiro zomwe zaikidwa pa Status Tab monga momwe zasonyezedwera pa Chithunzi 11.

Ma graph ndi Zizindikiro

Parameter	Kufotokozera
TX	Imapereka zizindikiro zingapo zomwe zikuwonetsa kuchuluka kwa mauthenga omwe amasamutsidwa pakati pa zigawo zosiyanasiyana, kuyambira kugwero la deta kupita ku PHY. Kuphatikiza apo, ikuwonetsa madoko a UDP ofanana.
Deta gwero	num mapaketi gwero: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa mapaketi omwe adalandiridwa kuchokera kugwero la data (UDP, PN Data, kapena Manual). kusamutsa gwero: Chizindikiro cha boolean chikuwonetsa kuti deta ikulandira kuchokera kugwero la deta (chiwerengero cha mapaketi omwe alandilidwa si ziro).
Wapamwamba MAC	TX Pemphani Wapamwamba MAC: Zizindikiro za manambala zimasonyeza chiwerengero cha mauthenga a MAC TX Configuration ndi Payload opempha opangidwa ndi MAC high abstraction layer ndipo amalembedwa ku doko lofanana la UDP lomwe lili pansi pawo.
Pakati MAC	TX Pemphani Pakati MAC: Zizindikiro za manambala zikuwonetsa kuchuluka kwa mauthenga a MAC TX Configuration ndi Payload pempho lolandiridwa kuchokera ku MAC high abstraction layer ndikuwerenga kuchokera ku doko lofanana la UDP lomwe lili pamwamba pawo. Musanasamutsire mauthenga onsewo ku zigawo zapansi, masinthidwe operekedwawo amawunikidwa ngati athandizidwa kapena ayi, kuwonjezerapo, pempho la MAC TX Configuration ndi pempho la MAC TX Payload limafufuzidwa ngati likugwirizana. TX Zopempha ku PHY: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa zopempha za MAC MSDU TX zolembedwa ku DMA FIFO. TX Chitsimikizo Pakati MAC: Zizindikiro za manambala zimasonyeza chiwerengero cha mauthenga otsimikizira omwe apangidwa ndi MAC pakati pa mauthenga a MAC TX Configuration ndi MAC TX Payload ndipo amalembedwa ku doko la UDP lomwe laperekedwa pamwamba pawo. TX Zizindikiro kuchokera PHY: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa zomaliza za MAC MSDU TX zomwe zidawerengedwa kuchokera ku DMA FIFO. TX Zizindikiro Pakati MAC: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa Zizindikiro za MAC TX zomwe zanenedwa kuchokera ku MAC Middle kupita ku MAC yokwera pogwiritsa ntchito doko la UDP lomwe lili pamwamba pake.
PHY	TX Zizindikiro Kusefukira: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa kusefukira komwe kunachitika panthawi ya FIFO yolemba ndi TX End zisonyezo.
RX	Imapereka zizindikiro zingapo zomwe zikuwonetsa kuchuluka kwa mauthenga omwe amasamutsidwa pakati pa zigawo zosiyanasiyana, kuyambira pa PHY kupita ku sinki ya data. Kuphatikiza apo, ikuwonetsa madoko a UDP ofanana.

PHY	RX Chizindikiro Kusefukira: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa kusefukira komwe kunachitika panthawi ya FIFO yolembedwa ndi MAC MSDU RX zisonyezo.
Pakati MAC	RX Zizindikiro kuchokera PHY: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa zowonetsa za MAC MSDU RX zowerengedwa kuchokera ku DMA FIFO. RX Zizindikiro Pakati MAC: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa zowonetsa za MAC MSDU RX zomwe zasankhidwa bwino ndikufotokozedwa kumtunda wa MAC pogwiritsa ntchito doko la UDP lomwe lili pamwamba pake.
Wapamwamba MAC	RX Zizindikiro Wapamwamba MAC: Chizindikiro cha manambala chikuwonetsa kuchuluka kwa zowonetsa za MAC MSDU RX zokhala ndi chidziwitso chovomerezeka cha MSDU cholandilidwa pamtunda wa MAC.
Deta kumira	num mapaketi kumira: Nambala ya mapaketi olandilidwa pa kusinkila kwa data kuchokera ku MAC yokwera. kusamutsa kumira: Chizindikiro cha boolean chikuwonetsa kuti deta ikulandira kuchokera kumtunda wa MAC.

Njira Zowonjezera Zogwirira Ntchito ndi Zosankha Zosintha

Gawoli likufotokozanso zosintha zina ndi njira zogwirira ntchito. Kuphatikiza pa RF Multi-Station mode yofotokozedwa mu Running This Sample gawo la Project, 802.11 Application Framework imathandizira njira za RF Loopback ndi Baseband pogwiritsa ntchito chipangizo chimodzi. Njira zazikulu zoyendetsera 802.11 Application Framework pogwiritsa ntchito mitundu iwiriyi ikufotokozedwa pansipa.

RF Loopback Mode: Chingwe
Kutengera kasinthidwe, tsatirani masitepe omwe ali mugawo la "Configuring USRP RIO Setup" kapena "Configuring FlexRIO/FlexRIO Adapter Module Setup".

Kukonzekera kwa USRP RIO Setup 

1. Onetsetsani kuti chipangizo cha USRP RIO chalumikizidwa bwino ndi makina opangira omwe akuyendetsa LabVIEW Communications System Design Suite.
2. Pangani kasinthidwe ka RF loopback pogwiritsa ntchito chingwe chimodzi cha RF ndi chowongolera.
   • a. Lumikizani chingwe ku RF0/TX1.
   • b. Lumikizani cholumikizira cha 30 dB kumapeto ena a chingwe.
   • c. Lumikizani attenuator ku RF1/RX2.
3. Mphamvu pa chipangizo cha USRP.
4. Mphamvu pamakina olandila.

Kukhazikitsa FlexRIO Adapter Module Setup

1. Onetsetsani kuti chipangizo cha FlexRIO chayikidwa bwino mu Lab yoyendetsaVIEW Communications System Design Suite.
2. Pangani RF loopback kasinthidwe kulumikiza TX ya NI-5791 module ndi RX ya NI-5791 module.

Kuyendetsa LabVIEW Kodi Host
Malangizo oyendetsera LabVIEW code host yaperekedwa kale mu "Running This Sample Project" gawo la RF Multi-Station operation mode. Kuphatikiza pa malangizo a Gawo 1 mu gawoli, malizitsaninso izi:

1. Njira yokhazikika yogwirira ntchito ndi RF Multi-Station. Sinthani ku Advanced tabu ndikuthandizira kuwongolera kwa RF Loopback Demo Mode. Izi zidzakhazikitsa zosintha zotsatirazi:
   • Njira yogwirira ntchito idzasinthidwa kukhala RF Loopback mode
   •  Adilesi ya MAC ya Chipangizo ndi Adilesi ya MAC Yofikira ipeza adilesi yomweyo. Za example, onse akhoza kukhala 46:6F:4B:75:6D:61.
2. Yendetsani LabuVIEW host VI podina batani lothamanga ( ).
   • a. Ngati zikuyenda bwino, chizindikiro cha Device Ready chimayatsa.
   • b. Mukalandira zolakwika, yesani imodzi mwa izi:
     • Onetsetsani kuti chipangizo chanu chalumikizidwa bwino.
     • Onani masinthidwe a RIO Chipangizo.
3. Yambitsani siteshoni pokhazikitsa Yambitsani Chiwongolero cha Sitimayo kuti On. Chizindikiro cha Station Active chiyenera kuyatsidwa.
4. Kuti muwonjezere RX Throughput, sinthani ku Advanced tabu ndikuyika mtengo wambuyo wa njira ya Backoff kukhala zero, popeza ndi siteshoni imodzi yokha yomwe ikuyenda. Kuphatikiza apo, ikani kuchuluka kwa zoyesereranso za dot11ShortRetryLimit kukhala 1. Zimitsani kenako ndikuyatsa siteshoni pogwiritsa ntchito Enable Station control, popeza dot11ShortRetryLimit ndi parameter yokhazikika.
5. Sankhani tabu ya MAC, ndikutsimikizirani kuti RX Constellation yowonetsedwa ikugwirizana ndi kusintha ndi kukopera dongosolo lokonzedwa pogwiritsa ntchito magawo a MCS ndi Subcarrier Format. Za example, 16 QAM imagwiritsidwa ntchito pa MCS 4 ndi 20 MHz 802.11a. Ndi zoikamo zokhazikika muyenera kuwona kutulutsa pafupifupi 8.2 Mbits/s.

RF Loopback Mode: Kutumiza Pamlengalenga
Kutumiza pamlengalenga kumafanana ndi kukhazikitsidwa kwa chingwe. Zingwe zimasinthidwa ndi tinyanga zoyenerera ma frequency osankhidwa apakati komanso bandwidth.

Chenjezo Werengani zolemba zazinthu zonse za Hardware, makamaka zida za NI RF, musanagwiritse ntchito makinawa.
Zipangizo za USRP RIO ndi FlexRIO sizivomerezedwa kapena kuloledwa kufalitsa pamlengalenga pogwiritsa ntchito mlongoti. Zotsatira zake, kugwiritsa ntchito zinthuzo ndi mlongoti kumatha kuphwanya malamulo a komweko. Onetsetsani kuti mukutsatira malamulo onse a m'dera lanu musanagwiritse ntchito mankhwalawa ndi tinyanga.

Baseband Loopback Mode
The baseband loopback ndi yofanana ndi RF loopback. Munjira iyi, RF imalambalalitsidwa. TX ndiampLes amasamutsidwa mwachindunji ku RX processing chain pa FPGA. Palibe mawaya pa zolumikizira chipangizo chofunika. Kuti muyendetse siteshoni mu Baseband Loopback, ikani pamanja mawonekedwe opangira omwe ali pazithunzi za block ngati nthawi zonse ku Baseband Loopback.

Zosankha Zowonjezera Zosintha

PN Data Generator
Mutha kugwiritsa ntchito jenereta ya data ya pseudo-noise (PN) kuti mupange kuchuluka kwa data ya TX, yomwe ili yothandiza kuyeza momwe magwiridwe antchito amagwirira ntchito. Jenereta ya data ya PN imakonzedwa ndi PN Data Packet Size ndi PN Packets pazigawo Zachiwiri. Mlingo wa data pakutulutsa kwa PN Data Generator ndi wofanana ndi zomwe zili mu magawo onse awiri. Zindikirani kuti ndondomeko yeniyeni yowonetsera yomwe ikuwonetsedwa kumbali ya RX imadalira magawo opatsirana, kuphatikizapo mtundu wa Subcarrier ndi mtengo wa MCS, ndipo ukhoza kukhala wotsika kusiyana ndi mlingo wopangidwa ndi PN data generator.
Zotsatirazi zimapereka example la momwe jenereta ya data ya PN ingawonetsere kukhudzidwa kwa kasinthidwe ka protocol yopatsirana pazomwe zingatheke. Zindikirani kuti zomwe zaperekedwa zitha kukhala zosiyana pang'ono kutengera nsanja yomwe imagwiritsidwa ntchito ndi njira.

1. Konzani, sinthani, ndikuyendetsa masiteshoni awiri (Station A ndi Station B) monga "Running This Sample Project” gawo.
2. Sinthani bwino makonda a Adilesi ya Chipangizo cha MAC ndi Adilesi Yofikira MAC kuti adilesi ya Station A ndi komwe mukupitako Station B ndi mosemphanitsa monga tafotokozera kale.
3. Pa Station B, ikani Data Source kukhala Manual kuti mulepheretse data ya TX kuchokera ku Station B.
4. Yambitsani masiteshoni onse awiri.
5. Ndi zosintha zokhazikika, muyenera kuwona kutulutsa kwa pafupifupi 8.2 Mbits/s pa Station B.
6. Pitani ku tabu ya MAC ya Station A.
   1. Khazikitsani PN Data Packet Size kukhala 4061.
   2. Khazikitsani kuchuluka kwa mapaketi a PN pa Sekondi iliyonse mpaka 10,000. Kukonzekera uku kumadzaza buffer ya TX pazosintha zonse zomwe zingatheke.
7. Pitani ku Advanced tabu ya Station A.
   1. Khazikitsani dot11RTSTthreshold ku mtengo wokulirapo kuposa PN Data Packet Size (5,000) kuti mulepheretse njira ya RTS/CTS.
   2. Khazikitsani kuchuluka kwa zoyesereranso zoimiridwa ndi dot11ShortRetryLimit kukhala 1 kuti muyimitse kutumizanso.
8. Zimitsani ndikuyatsa Station A popeza dot11RTSTthreshold ndi gawo lokhazikika.
9. Yesani mitundu yosiyanasiyana ya Subcarrier Format ndi MCS pa Station A. Onani kusintha kwa magulu a nyenyezi a RX ndi RX throughput pa Station B.
10. Khazikitsani Subcarrier Format kukhala 40 MHz (IEEE 802.11ac) ndi MCS kukhala 7 pa Station A. Onani kuti kutulutsa pa Station B ndi pafupifupi 72 Mbits/s.

Kutumiza Kanema
Kutumiza makanema kumawunikira kuthekera kwa 802.11 Application Framework. Kuti mupange kanema wotumizira ndi zida ziwiri, khazikitsani kasinthidwe monga tafotokozera m'gawo lapitalo. 802.11 Application Framework imapereka mawonekedwe a UDP, omwe ali oyenerera kutsatsira makanema. Wotumiza ndi wolandila amafunikira pulogalamu yotsatsira makanema (mwachitsanzoample, VLC, yomwe imatha kutsitsidwa kuchokera ku http://videolan.org). Pulogalamu iliyonse yomwe imatha kutumiza deta ya UDP ingagwiritsidwe ntchito ngati gwero la deta. Momwemonso, pulogalamu iliyonse yomwe imatha kulandira deta ya UDP ingagwiritsidwe ntchito ngati sinki ya data.

Konzani Wolandira
Wolandirayo yemwe amagwira ntchito ngati wolandila amagwiritsa ntchito 802.11 Application Framework kuti adutse adalandira mafelemu a data a 802.11 ndikudutsa mu UDP kupita pawosewerera makanema.

1. Pangani pulojekiti yatsopano monga yafotokozedwera mu "Running the LabVIEW Host Code" ndikukhazikitsa chizindikiritso cholondola cha RIO pagawo la chipangizo cha RIO.
2. Khazikitsani Nambala ya Station kukhala 1.
3. Lolani Operation Mode yomwe ili pazithunzi za block kuti ikhale ndi mtengo wokhazikika, RF Multi Station, monga tafotokozera kale.
4. Lolani Adilesi ya MAC ya Chipangizo ndi Adilesi Yopita ya MAC kuti ikhale ndi zikhalidwe zosasinthika.
5. Sinthani ku tabu ya MAC ndikukhazikitsa Data Sink ku UDP.
6. Yambitsani siteshoni.
7. Yambitsani cmd.exe ndikusintha ku chikwatu chokhazikitsa VLC.
8. Yambitsani pulogalamu ya VLC ngati kasitomala wotsatsa ndi lamulo ili: vlc udp://@:13000, pomwe mtengo wa 13000 ndi wofanana ndi Transmit port of Data Sink Option.

Konzani Transmitter
Wolandirayo yemwe amagwira ntchito ngati transmitter amalandira mapaketi a UDP kuchokera pa seva yotsatsira makanema ndipo amagwiritsa ntchito 802.11 Application Framework kuti awatumize ngati mafelemu a data 802.11.

1. Pangani pulojekiti yatsopano monga yafotokozedwera mu "Running the LabVIEW Host Code" ndikukhazikitsa chizindikiritso cholondola cha RIO pagawo la chipangizo cha RIO.
2. Khazikitsani Nambala ya Station kukhala 2.
3. Lolani Operation Mode yomwe ili pazithunzi za block kuti ikhale ndi mtengo wokhazikika, RF Multi Station, monga tafotokozera kale.
4. Khazikitsani Adilesi ya MAC ya Chipangizo kuti ikhale yofanana ndi Adilesi ya MAC Yofikira pa Station 1 (mtengo wokhazikika:
   46:6F:4B:75:6D:62)
5.  Khazikitsani Adilesi ya MAC Yofikira kukhala yofanana ndi Adilesi ya MAC ya Chipangizo cha Station 1 (mtengo wokhazikika:
   46:6F:4B:75:6D:61)
6. Sinthani ku tabu ya MAC ndikuyika Dala Source ku UDP.
7. Yambitsani Station.
8. Yambitsani cmd.exe ndikusintha ku chikwatu chokhazikitsa VLC.
9. Dziwani njira yopitira kuvidiyo file zomwe zingagwiritsidwe ntchito kusuntha.
10. Yambitsani pulogalamu ya VLC ngati seva yotsatsira ndi lamulo ili vlc "PATH_TO_VIDEO_FILE”
    :sout=#std{access=udp{ttl=1},mux=ts,dst=127.0.0.1: UDP_Port_Value}, pomwe PATH_TO_VIDEO_FILE iyenera kusinthidwa ndi malo omwe kanemayo akuyenera kugwiritsidwa ntchito, ndipo gawo la UDP_Port_Value ndi lofanana ndi 12000 + Station Number, ndiko kuti, 12002.
    Wolandirayo yemwe akuchita ngati wolandila adzawonetsa kanema yomwe imaseweredwa ndi transmitter.

Kusaka zolakwika

Gawoli limapereka chidziwitso chodziwitsa chomwe chimayambitsa vuto ngati dongosololi silikugwira ntchito monga momwe amayembekezera. Imafotokozeredwa pakukhazikitsa masiteshoni ambiri momwe Station A ndi Station B akutumizira.
Matebulo otsatirawa akupereka zambiri za momwe mungatsimikizire ntchito yabwino komanso momwe mungadziwire zolakwika.

Wamba Ntchito
Wamba Ntchito Yesani	· Khazikitsani Nambala Yapamasiteshoni pamitundu yosiyanasiyana. · Moyenera kusintha zoikamo za Chipangizo MAC Adilesi ndi Kopita MAC Adilesi monga tafotokozera kale. · Siyani zoikamo zina kuti zikhale zokhazikika.
	Zowonera:
	· Kutulutsa kwa RX mumtundu wa 7.5 Mbit/s pamasiteshoni onse awiri. Zimatengera ngati ndi tchanelo chopanda zingwe kapena chingwe cholumikizira. · Pa MAC tabu: o    MAC TX Ziwerengero: Ndi Deta adayambitsa ndi ACK Zochitika zizindikiro zikuchulukirachulukira. o    MAC RX Ziwerengero: Zizindikiro zonse zikuchulukirachulukira kuposa momwe zimakhalira Zithunzi za RTS wapezeka ndi Zotsatira CTS wapezeka,kuchokera Mtengo wa dot11RTS on Zapamwamba tabu ndi yayikulu kuposa PN Deta Paketi Kukula (kutalika kwa PSDU) pa MAC tabu. o Gulu la nyenyezi mu RX Gulu la Nyenyezi graph ikufanana ndi dongosolo la modulation la MCS osankhidwa pa transmitter. o Ndi TX Block Cholakwika Mtengo graph ikuwonetsa mtengo wovomerezeka. · Pa RF & PHY tabu:

	o Ndi RX Mphamvu Spectrum ili mu gulu laling'ono loyenera kutengera zomwe zasankhidwa Pulayimale Channel Wosankha. Popeza mtengo wokhazikika ndi 1, uyenera kukhala pakati pa -20 MHz ndi 0 mu RX Mphamvu Spectrum graph. o Ndi CCA Mphamvu Kuzindikira Poyambira [dBm] ndi yayikulu kuposa mphamvu yomwe ilipo mu RF Zolowetsa Mphamvu graph. o Muyezo wa baseband mphamvu pa paketi poyambira (madontho ofiira) mkati Baseband RX Mphamvu graph iyenera kukhala yocheperapo kuposa AGC chandamale chizindikiro mphamvu on Zapamwamba tabu.
MAC Ziwerengero Yesani	· Zimitsani Station A ndi Station B · Pa Station A, MAC tab, khazikitsani Deta Gwero ku Pamanja. Yambitsani Station A ndi Station B o Station A, MAC tabu: §   Deta adayambitsa of MAC TX Ziwerengero ndi zero. §   ACK adayambitsa of MAC RX Ziwerengero ndi zero. o Station B, MAC tabu: §   RX Kupititsa patsogolo ndi zero. §   ACK adayambitsa of MAC TX Ziwerengero ndi zero. §   Deta wapezeka of MAC RX Ziwerengero ndi zero. · Pa Station A, MAC tab, dinani kamodzi kokha Choyambitsa TX of Pamanja Deta Gwero o Station A, MAC tabu: §   Deta adayambitsa of MAC TX Ziwerengero ndi 1. §   ACK adayambitsa of MAC RX Ziwerengero ndi 1. o Station B, MAC tabu: §   RX Kupititsa patsogolo ndi zero. §   ACK adayambitsa of MAC TX Ziwerengero ndi 1. §   Deta wapezeka of MAC RX Ziwerengero ndi 1.
Zithunzi za RTS / Zotsatira CTS zowerengera Yesani	· Letsani Station A, ikani dot11RTST mpaka zero, chifukwa ndi static parameter. Kenako, yambitsani Station A. · Pa Station A, MAC tab, dinani kamodzi kokha Choyambitsa TX of Pamanja Deta Gwero o Station A, MAC tabu: §   Zithunzi za RTS adayambitsa of MAC TX Ziwerengero ndi 1. §   Zotsatira CTS adayambitsa of MAC RX Ziwerengero ndi 1. o Station B, MAC tabu: §   Zotsatira CTS adayambitsa of MAC TX Ziwerengero ndi 1. §   Zithunzi za RTS adayambitsa of MAC RX Ziwerengero ndi 1.

Zolakwika Kusintha
Dongosolo Kusintha	· Khazikitsani Nambala Yapamasiteshoni pamitundu yosiyanasiyana. · Moyenera kusintha zoikamo za Chipangizo MAC Adilesi ndi Kopita MAC Adilesi monga tafotokozera kale. · Siyani zoikamo zina kuti zikhale zokhazikika.
Cholakwika: Ayi deta kupereka za kufalitsa	Chizindikiro: Zowerengera za Deta adayambitsa ndi ACK adayambitsa in MAC TX Ziwerengero sikuwonjezeka. Yankho: Khalani Deta Gwero ku PN Deta. Kapenanso, seti Deta Gwero ku UDP ndipo onetsetsani kuti mumagwiritsa ntchito pulogalamu yakunja kuti mupereke deta ku doko la UDP lokonzedwa bwino monga momwe tafotokozera m'mbuyomu.
Cholakwika: MAC TX amaganizira ndi wapakati as tanganidwa	Chizindikiro: Mtengo wa MAC Statistics wa Deta Zochitika ndi chiyambi wapezeka, gawo la MAC TX Ziwerengero ndi MAC RX Ziwerengero, motero, sikuwonjezeka. Yankho: Yang'anani mtengo wa curve panopa mu RF Zolowetsa Mphamvu graph. Khazikitsani CCA Mphamvu Kuzindikira Poyambira [dBm] kuwongolera ku mtengo womwe ndi wapamwamba kuposa mtengo wocheperako wa mphirawu.
Cholakwika: Tumizani Zambiri deta mapaketi kuposa ndi MAC akhoza Perekani ku ndi PHY	Chizindikiro: The PN Deta Paketi Kukula ndi PN Paketi Per Chachiwiri zikuwonjezeka. Komabe, zomwe mwapeza sizikuwonjezeka. Yankho: Sankhani apamwamba MCS mtengo ndi wapamwamba Wonyamula katundu Mtundu.
Cholakwika: cholakwika RF madoko	Chizindikiro: The RX Mphamvu Spectrum sichimawonetsa mapindikidwe ofanana ndi a TX Mphamvu Spectrum pa station ina. Yankho:

	Tsimikizirani kuti muli ndi zingwe kapena tinyanga zolumikizidwa ku madoko a RF omwe mwawakonza kuti akhale TX RF Port ndi RX RF Port.
Cholakwika: MAC adilesi kusagwirizana	Chizindikiro: Pa Station B, palibe kutumiza kwa paketi ya ACK komwe kumayambitsidwa (gawo la MAC TX Ziwerengero) ndi RX Kupititsa patsogolo ndi zero. Yankho: Chongani izo Chipangizo MAC Adilesi ya Station B ikufanana ndi Kopita MAC Adilesi ya Station A. Kwa RF Loopback mode, onse Chipangizo MAC Adilesi ndi Kopita MAC Adilesi iyenera kukhala ndi adilesi yomweyi, mwachitsanzoample 46:6F:4B:75:6D:61.
Cholakwika: Wapamwamba CFO if Sitimayi A ndi B ndi FlexRIOs	Chizindikiro: The compensated carrier frequency offset (CFO) ndi yokwera, zomwe zimasokoneza magwiridwe antchito onse a netiweki. Yankho: Khazikitsani Buku Koloko kupita ku PXI_CLK kapena REF IN/ClkIn. · Kwa PXI_CLK: Bukuli limatengedwa kuchokera ku chassis ya PXI. REF IN/ClkIn: Bukuli likuchokera ku doko la ClkIn la NI-5791.
TX Cholakwika Mitengo ndi imodzi in RF Loopback or Baseband Loopback ntchito modes	Chizindikiro: Masiteshoni amodzi amagwiritsidwa ntchito pomwe mawonekedwe opangira amasinthidwa RF Loopback or Baseband Loopback mode. Chiwonetsero chazithunzi za TX Zolakwika Zolinga zikuwonetsa 1. Yankho: Khalidweli likuyembekezeka. Mapaketi a ACK atayika pamene MAC TX ikuwayembekezera; makina a boma a DCF pa FPGA ya MAC amaletsa izi ngati pali mitundu ya RF loopback kapena Baseband Loopback. Chifukwa chake, MAC TX nthawi zonse imati kufalitsa kwalephera. Chifukwa chake, kuchuluka kwa zolakwika za paketi ya TX komanso kuchuluka kwa zolakwika za block block ndi ziro.

Nkhani Zodziwika
Onetsetsani kuti chipangizo cha USRP chikugwira ntchito kale ndikulumikizidwa ndi wolandila asanayambe. Kupanda kutero, chipangizo cha USRP RIO sichingazindikirike bwino ndi wolandirayo.
Mndandanda wathunthu wamavuto ndi ma workaround uli pa LabVIEW Communications 802.11 Application Framework 2.1 Nkhani Zodziwika.

Zambiri Zogwirizana
USRP-2940/2942/2943/2944/2945 Chitsogozo Choyambira USRP-2950/2952/2953/2954/2955 Chitsogozo Choyambira IEEE Standards Association: 802.11 LANs Opanda zingwe Onani LabuVIEW Communications System Design Suite Manual, yopezeka pa intaneti, kuti mudziwe zambiri za LabVIEW malingaliro kapena zinthu zomwe zimagwiritsidwa ntchito mu sampndi project.
Pitani ku ni.com/info ndikulowetsa Info Code 80211AppFWManual kuti mupeze LabVIEW Communications 802.11 Application Framework Manual kuti mudziwe zambiri za kapangidwe ka 802.11 Application Framework.
Mukhozanso kugwiritsa ntchito zenera la Context Help kuti mudziwe zambiri za LabVIEW zinthu pamene mukusuntha cholozera pa chinthu chilichonse. Kuti muwonetse zenera la Context Help mu LabVIEW, sankhani View» Chithandizo cha Context.

Acronyms

Mwachidule	Tanthauzo
ACK	Kuyamikira
AGC	Kuwongolera kupindula kokha
A-MPDU	Aggregated MPDU
CCA	Chotsani kuwunika kwamayendedwe
CFO	Chonyamulira pafupipafupi kuchepetsa
CSMA/CA	Wonyamula amazindikira mwayi wofikira kangapo ndikupewa kugunda
Zotsatira CTS	Zomveka-kutumiza
CW	Kuweyula kosalekeza
DAC	Digital to analogi converter
DCF	Ntchito yolumikizirana yogawidwa

DMA	Mwachindunji kukumbukira kukumbukira
FCS	Tsatanetsatane wa chimango
MAC	Gawo lapakati lolowera
MCS	Modulation ndi coding scheme
MIMO	Zotulutsa zambiri-zambiri
MPDU	MAC protocol data unit
NAV	Network allocation vector
Osati HT	Zosakwera kwambiri
OFDM	Orthogonal frequency-division multiplexing
PAPR	Chiŵerengero champhamvu chapamwamba mpaka chapakati
PHY	Wosanjikiza mwakuthupi
Mtengo wa PLCP	Physical layer convergence ndondomeko
PN	Phokoso lachinyengo
PSDU	PHY data data unit
QAM	Quadrature ampkusinthasintha kwa litude
Zithunzi za RTS	Pemphani-kutumiza
RX	Landirani
Mtengo wa SIFS	Kutalikirana kwakufupi kwa interframe
SISO	Kutulutsa kamodzi kokha
T2H	Cholinga cholandira alendo
TX	Kutumiza
UDP	Mtumiki datagram protocol

[1] Ngati mukutumiza pamlengalenga, onetsetsani kuti mwaganizira malangizo omwe aperekedwa mu gawo la "RF Multi Station Mode: Over-the-Air Transmission". Zida za USRP ndi NI-5791 sizivomerezedwa kapena kuloledwa kufalitsa mlengalenga pogwiritsa ntchito mlongoti. Zotsatira zake, kugwiritsa ntchito zinthuzo ndi mlongoti kumatha kuphwanya malamulo a komweko.

Onani za NI Trademarks ndi Logo Guidelines pa ni.com/trademarks kuti mumve zambiri za zizindikiro za NI. Mayina ena ogulitsa ndi makampani omwe atchulidwa pano ndi zilembo kapena mayina amakampani awo. Pamatenti okhudzana ndi zinthu za NI/ukadaulo, onetsani malo oyenera: Thandizo»Zovomerezeka mu pulogalamu yanu, patents.txt file pazofalitsa zanu, kapena Chidziwitso cha National Instruments Patents pa ni.com/patents. Mutha kupeza zambiri za mapangano a ziphaso za ogwiritsa ntchito (EULAs) ndi zidziwitso zamalamulo za chipani chachitatu mu readme file kwa NI product yanu. Onani Mauthenga Ogwirizana ndi Mauthenga Akunja pa ni.com/legal/export-compliance pa ndondomeko ya NI yapadziko lonse yotsatiridwa ndi malonda ndi momwe mungapezere ma code a HTS oyenerera, ma ECCN, ndi data ina ya import/export. NI SIKUSONYEZA KAPENA ZINTHU ZOTHANDIZA ZOKHUDZA KUONA ZINTHU ZILI M'MENEYI NDIPO SIZIDZAKHALA NDI ZOLAKWITSA ALIYENSE. Makasitomala a Boma la US: Zambiri zomwe zili m'bukuli zidapangidwa ndi ndalama zachinsinsi ndipo zimatsatiridwa ndi maufulu ochepera komanso ufulu wa data monga zafotokozedwera mu FAR 52.227-14, DFAR 252.227-7014, ndi DFAR 252.227-7015.

Zolemba / Zothandizira

NATIONAL Instruments LabVIEW Communications 802.11 Application Framework 2.1 [pdf] Buku Logwiritsa Ntchito PXIe-8135, LabVIEW Communications 802.11 Application Framework 2.1, LabVIEW Communications 802.11 Ntchito, Framework 2.1, LabVIEW Communications 802.11, Ntchito Yogwiritsa Ntchito 2.1

Maumboni

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