Millimeter wave masaini anopa yakakura bandwidth uye yakakwirira data data pane yakaderera frequency masaini. Tarisa uone iyo yakazara chiratidzo cheni pakati peantenna neiyo digital baseband.
New 5G redhiyo (5G NR) inowedzera millimeter wave frequencies kumaserura midziyo uye network. Pamwe chete neizvi kunouya RF-kune-baseband siginecha cheni uye zvikamu izvo zvisingadiwe kune ma frequency pazasi 6 GHz. Nepo mamillimeter wave frequency anotambanuka kubva pa30 kusvika 300 GHz, nezvinangwa zve5G anotora kubva pa24 kusvika 90 GHz, asi anowanzo kwira pa53 GHz. Millimeter wave maapplication aitarisirwa kuti ape nekukurumidza data kumhanyisa pama smartphones mumaguta, asi kubva atamira kune yakakwira-density makesi ekushandisa senge nhandare. Inoshandiswawo kune yakagadziriswa isina waya yekuwana (FWA) internet masevhisi uye yakavanzika network.
Mabhenefiti akakosha e5G mmWave Kubuda kwepamusoro kwe5G mmWave kunobvumira kutamisa data hombe (10 Gbps) inosvika 2 GHz chiteshi bandwidth (hapana mutakuri aggregation). Ichi chimiro chakanyatsokodzera kune network ine hombe yekufambisa data. 5G NR inogonesawo yakaderera latency nekuda kwepamusoro data data rates pakati pe5G redhiyo yekuwana network uye network core. LTE network ine latency ye100 milliseconds, nepo 5G network ine latency ye1 millisecond chete.
Chii chiri mummWave chiratidzo cheni? Iyo radio frequency interface (RFFE) inowanzo tsanangurwa sechinhu chiri chose pakati peantenna nebaseband digital system. RFFE inowanzonzi iyo analog-to-digital chikamu cheanogamuchira kana transmitter. Mufananidzo 1 unoratidza dhizaini inonzi yakananga kutendeuka (zero IF), umo inoshandura data inoshanda yakananga paRF chiratidzo.
Mufananidzo 1. Iyi 5G mmWave inopinza chiratidzo cheni yekuvaka inoshandisa yakananga RF sampling; Hapana inverter inodiwa (Mufananidzo: Tsanangudzo pfupi).
Iyo millimeter wave chiratidzo chetani ine RF ADC, RF DAC, yakaderera pass sefa, simba amplifier (PA), digital pasi uye kumusoro converters, RF sefa, yakaderera ruzha amplifier (LNA), uye yedhijitari wachi jenareta ( CLK). Chikamu-chakakiyiwa loop/voltage controlled oscillator (PLL/VCO) inopa oscillator yemuno (LO) yevashanduri vanokwira nekudzika. Shanduko (inoratidzwa muMufananidzo 2) inobatanidza antenna kune chiratidzo chekugamuchira kana kutumira sedunhu. Isina kuratidzwa iine beamforming IC (BFIC), inozivikanwawo seyakaganhurwa array crystal kana beamformer. Iyo BFIC inogamuchira chiratidzo kubva kuupconverter uye inokamura kuita akawanda chiteshi. Iyo ine zvakare yakazvimiririra chikamu uye kuwana zvidzoreso pane yega yega chiteshi chekudzora beam.
Kana uchishanda mumodhi yekugamuchira, chiteshi chega chega chichavawo nechikamu chakazvimirira uye kuwana zvidzoreso. Kana iyo downconverter ikavhurwa, inogamuchira chiratidzo uye ichichiendesa kuburikidza neADC. Pamberi pepaneru pane yakavakirwa-mukati simba amplifier, LNA uye pakupedzisira switch. RFFE inogonesa PA kana LNA zvichienderana nekuti iri mukutumira modhi kana yekugamuchira maitiro.
Transceiver Mufananidzo 2 inoratidza muenzaniso weRF transceiver uchishandisa IF kirasi pakati pebaseband uye 24.25-29.5 GHz millimeter wave bhendi. Ichi chivakwa chinoshandisa 3.5 GHz seyakagadziriswa IF.
Kuendeswa kwe5G isina waya zvivakwa kuchabatsira zvikuru vanopa masevhisi nevatengi. Misika mikuru inoshandirwa ndeye cellular Broadband modules uye 5G yekutaurirana modules kugonesa iyo Industrial Internet yezvinhu (IIOT). Ichi chinyorwa chinotarisa pane millimeter wave chikamu che5G. Muzvinyorwa zvinotevera, isu ticharamba tichikurukura nyaya iyi uye titarise zvakadzama pazvinhu zvakasiyana zve5G mmWave chiratidzo chetani.
Suzhou Cowin inopa akawanda marudzi eRF 5G 4G LTE 3G 2G GSM GPRS cellular antenna, uye tsigiro yekugadzirisa zvakanakisa kuita kweantenna base pachishandiso chako nekupa yakazara antenna yekuyedza shumo, seVSWR, kuwana, kugona uye 3D mwaranzi maitiro.
Nguva yekutumira: Sep-12-2024