H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/005 (2006.01) H03M 13/05 (2006.01) H03M 13/25 (2006.01) H03M 13/29 (2006.01) H03M 13/41 (2006.01) H04B 1/02 (2006.01) H04B 1/06 (2006.01) H04B 7/06 (2006.01) H04L 1/22 (2006.01) H04Q 7/36 (2006.01)
Patent
CA 2411286
Good transmission characteristics are achieved in the presence of fading with a transmitter that employs a trellis coder followed by a block coder. Correspondingly, the receiver comprises a Viterbi decoder followed by a block decoder. Advantageously, the block coder and decoder employ time-space diversity coding which, illustratively, employs two transmitter antennas and one receiver antenna.
On a obtenu de bonnes caractéristiques de transmission en présence d'évanouissement avec un émetteur employant un codeur par treillis suivi d'un codeur de blocs. De même, le récepteur comprend un décodeur Viterbi suivi d'un décodeur de blocs. Le codeur et le décodeur de blocs emploient avantageusement un codage en diversité temps-espace qui, à titre d'illustration, emploie deux antennes d'émission et une antenne de réception.
Alamouti Siavash
Poon Patrick
Tarokh Vahid
At&t Mobility II Llc
At&t Wireless Services Inc.
Kirby Eades Gale Baker
LandOfFree
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