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📖 Description
Mnogoantennye (MIMO) sistemy svyazi pozvolyayut obespechit' bol'shuyu skorost' peredachi i nadyezhnost' svyazi v sravnenii s odnoantennymi sistemami svyazi. V rabote rassmatrivayutsya modeli mnogoantennykh sistem svyazi s medlennymi, bystrymi i blokovymi releevskimi zamiraniyami. Razrabatyvaetsya metod sloenogo prostranstvennogo kodirovaniya, osnovannyy na pozitsioniruyushchikh funktsiyakh i porozhdayushchikh matritsakh. A takzhe v rabote predstavlen algoritm dekodirovaniya sloenykh prostranstvennykh kodov, ispol'zuyushchiy vydelyayushchie matritsy i sfericheskiy dekoder. Vypolnyaetsya otsenka pomekhoustoychivosti mnogoantennykh sistem svyazi, osnovannykh na predstavlennykh v rabote sloenykh prostranstvenno-vremennykh i prostranstvenno-chastotno-vremennykh kodakh. Vyrabatyvayutsya rekomendatsii po povysheniyu pomekhoustoychivosti mnogoantennykh sistem svyazi.