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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-Ho; Choi, Jihwan P.; Cosman, Pamela C.; Milstein, Laurence B.
- DGIST Authors
- Choi, Jihwan P.
- Issue Date
- IEEE Transactions on Vehicular Technology, 66(5), 3749-3764
- Article Type
- Article; Review
- Antennas; Block; Block Codes; Capacity; Codes (Symbols); Communication Channels (Information Theory); Data Communication Equipment; Data Communication Systems; Diversity; Diversity Multiplexing Tradeoff (DMT); Diversity Multiplexing Tradeoffs (DMT); Fading Channels; Fading Channels; Maximum Likelihood (ML) Receiver; Maximum Likelihood (ML) Receiver; Maximum Likelihood (ML) Receivers; Maximum Likelihood (ML); Maximum Likelihood Estimation; MIMO Channels; MIMO Systems; Minimum Mean Square Error (MMSE) Receiver; Minimum Mean Square Error (MMSE) Receiver; Minimum Mean Square Error (MMSE) Receiver; Multimedia Scalable Sources; Multimedia Scalable Sources; Multiple Input Multiple Ouput (MIMO) Systems; Multiple Input Multiple Ouput (MIMO) Systems; Multiplexing Tradeoff; Networks; Orthogonal Space Time Block Codes (OSTBCs); Orthogonal Space Time Block Codes (OSTBCs); Orthogonal Space Time Block Codes (OSTBCs); Outage Probability; Outage Probability; Performance Degradation; Probability; Rayleigh Fading; Rician Channel; Space Time Block Coding (STBC); Space Time Adaptive Processing; Space Time Codes; Spatially Correlated Rayleigh Channel; Systems; Transmission; Transmission Data Rate; Vertical Bell Laboratories Layered Space Time (V Blast) Architecture; Vertical Bell Laboratories Space Times; Video; Wireless Telecommunication Systems; Zero 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.
- Related Researcher
Choi, Jihwan P.
NC(Networks and Communications) Research Group
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- Information and Communication EngineeringNC(Networks and Communications) Research Group1. Journal Articles
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