TY - GEN
T1 - Linear complex-field coding for cooperative networking
AU - Ribeiro, Alejandro
AU - Wang, Renqiu
AU - Giannakis, Georgios B
PY - 2005/12/1
Y1 - 2005/12/1
N2 - Commonly used protocols involving J cooperating communicators are based on repetition encoding and achieve diversity of order J with bandwidth efficiency 1/J. We introduce a protocol capable of achieving the same diversity with bandwidth efficiency essentially equal to 1/2. The protocol is based on linear complex-field coded (LCFC) relay transmissions over orthogonal frequency division multiplexed (OFDM) subcarriers. Cooperators provide diversity by repeating delayed versions of the original packet, thereby generating a frequency-selective multipath channel. The so enabled diversity is collected by standard LCFC-OFDM decoders. Analysis and corroborating simulations establish that the novel protocol achieves diversity order equal to the number of users.
AB - Commonly used protocols involving J cooperating communicators are based on repetition encoding and achieve diversity of order J with bandwidth efficiency 1/J. We introduce a protocol capable of achieving the same diversity with bandwidth efficiency essentially equal to 1/2. The protocol is based on linear complex-field coded (LCFC) relay transmissions over orthogonal frequency division multiplexed (OFDM) subcarriers. Cooperators provide diversity by repeating delayed versions of the original packet, thereby generating a frequency-selective multipath channel. The so enabled diversity is collected by standard LCFC-OFDM decoders. Analysis and corroborating simulations establish that the novel protocol achieves diversity order equal to the number of users.
UR - http://www.scopus.com/inward/record.url?scp=33846634148&partnerID=8YFLogxK
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U2 - 10.1109/CAMAP.2005.1574180
DO - 10.1109/CAMAP.2005.1574180
M3 - Conference contribution
AN - SCOPUS:33846634148
SN - 0780393236
SN - 9780780393233
T3 - IEEE CAMSAP 2005 - First International Workshop on Computational Advances in Multi-Sensor Adaptive Processing
SP - 48
EP - 51
BT - IEEE CAMSAP 2005 - First International Workshop on Computational Advances in Multi-Sensor Adaptive Processing
T2 - IEEE CAMSAP 2005 - First International Workshop on Computational Advances in Multi-Sensor Adaptive Processing
Y2 - 13 December 2005 through 15 December 2005
ER -