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Optimization of Scalable Broadcast for a Large Number of Antennas

Optimization of Scalable Broadcast for a Large Number of Antennas
Chang, Seok-HoChoi, Jihwan P.Cosman, Pamela C.Milstein, Laurence B.
DGIST Authors
Choi, Jihwan P.
Issued Date
Article Type
Article; Review
AntennasBlockBlock CodesCapacityCodes (Symbols)Communication Channels (Information Theory)Data Communication EquipmentData Communication SystemsDiversityDiversity Multiplexing Tradeoff (DMT)Diversity Multiplexing Tradeoffs (DMT)Fading ChannelsFading ChannelsMaximum Likelihood (ML) ReceiverMaximum Likelihood (ML) ReceiverMaximum Likelihood (ML) ReceiversMaximum Likelihood (ML)Maximum Likelihood EstimationMIMO ChannelsMIMO SystemsMinimum Mean Square Error (MMSE) ReceiverMinimum Mean Square Error (MMSE) ReceiverMinimum Mean Square Error (MMSE) ReceiverMultimedia Scalable SourcesMultimedia Scalable SourcesMultiple Input Multiple Ouput (MIMO) SystemsMultiple Input Multiple Ouput (MIMO) SystemsMultiplexing TradeoffNetworksOrthogonal Space Time Block Codes (OSTBCs)Orthogonal Space Time Block Codes (OSTBCs)Orthogonal Space Time Block Codes (OSTBCs)Outage ProbabilityOutage ProbabilityPerformance DegradationProbabilityRayleigh FadingRician ChannelSpace Time Block Coding (STBC)Space Time Adaptive ProcessingSpace Time CodesSpatially Correlated Rayleigh ChannelSystemsTransmissionTransmission Data RateVertical Bell Laboratories Layered Space Time (V Blast) ArchitectureVertical Bell Laboratories Space TimesVideoWireless Telecommunication SystemsZero Forcing (ZF) Receiver
In this paper, for a system incorporating a large number of antennas, we address the optimal space-time coding of multimedia scalable sources, which require unequal target error rates in their bitstream. First, in terms of the number of antennas, we analyze the behavior of the crossover point of the outage probability curves for the vertical Bell Laboratories space-time (V-BLAST) architecture with a linear or a maximum-likelihood receiver, and orthogonal space-time block codes (OSTBCs). We prove that, as the number of antennas increases with the transmission data rate fixed, the crossover point in outage probability monotonically decreases. This holds for any data rate employed by the system and is valid over propagation channels such as spatially correlated Rayleigh or Rician fading channels, as well as independent and identically distributed Rayleigh channels. We next show that, over such propagation channels with a large number of antennas, those analytical results can be used to simplify the computational complexity involved with the optimal space-time coding of a sequence of scalable packets, with no performance degradation. © 2016 IEEE.
Institute of Electrical and Electronics Engineers Inc.
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Department of Electrical Engineering and Computer Science NCRG(Networks and Communications Research Group) 1. Journal Articles


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