Buffer aided distributed space time coding techniques for cooperative DS-CDMA systems

In this work, we propose a buffer-aided distributed spacetime coding (DSTC) scheme for cooperative direct-sequence code-division multiple access systems. We first devise a relay selection algorithm that can automatically select the optimum set of relays among both the source-relay phase and the rela...

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Vydáno v:Proceedings of the ... IEEE International Conference on Acoustics, Speech and Signal Processing (1998) s. 3626 - 3630
Hlavní autoři: Jiaqi Gu, de Lamare, Rodrigo C.
Médium: Konferenční příspěvek Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.03.2016
Témata:
Algorithms
buffer
Buffer storage
Buffers
Coding
Conferences
cooperative systems
Data storage
DS-CDMA networks
Encoding
greedy algorithms
Interference
Multiaccess communication
Multiple access
Optimization
Protocols
Relay
relay selection
Relays
Signal to noise ratio
space time coding
ISSN:2379-190X
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Shrnutí:In this work, we propose a buffer-aided distributed spacetime coding (DSTC) scheme for cooperative direct-sequence code-division multiple access systems. We first devise a relay selection algorithm that can automatically select the optimum set of relays among both the source-relay phase and the relay-destination phase for DSTC transmission according to the signal-to-interference-plus-noise ratio (SINR) criterion. Multiple relays equipped with buffers are introduced in the network, which allows the relays to store data received from the sources and wait until the most appropriate time for transmission. Simulation results show that the proposed buffer-aided DSTC scheme and algorithm outperform prior art.
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ObjectType-Conference-1
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SourceType-Conference Papers & Proceedings-2
ISSN:2379-190X
DOI:10.1109/ICASSP.2016.7472353