TY - GEN
T1 - A novel antenna allocation in V-BLAST system with hybrid ARQ
AU - Kim, Bonghoe
AU - Hwang, Seung Hoon
PY - 2007
Y1 - 2007
N2 - In this paper, an efficient algorithm of finding an antenna switching function is proposed for an antenna-switching scheme in vertical Bell Labs layered space-time (V-BLAST) with hybrid automatic repeat request (H-ARQ). The transmit antenna is switched for each retransmission, where the switching pattern is obtained by the criterion of maximizing the channel capacity. The size of search space in the algorithm is not dependent on the maximum number of transmission but only on the number of transmit antennas. From simulation results, the obtained antenna switching function is dependent on channel correlation characteristics. In addition, the SNR values give little impact on the antenna switching function. Simulation results demonstrate that the average throughput can be further improved by the antenna switching function in a correlated fading channel, without adding much complexity to the process.
AB - In this paper, an efficient algorithm of finding an antenna switching function is proposed for an antenna-switching scheme in vertical Bell Labs layered space-time (V-BLAST) with hybrid automatic repeat request (H-ARQ). The transmit antenna is switched for each retransmission, where the switching pattern is obtained by the criterion of maximizing the channel capacity. The size of search space in the algorithm is not dependent on the maximum number of transmission but only on the number of transmit antennas. From simulation results, the obtained antenna switching function is dependent on channel correlation characteristics. In addition, the SNR values give little impact on the antenna switching function. Simulation results demonstrate that the average throughput can be further improved by the antenna switching function in a correlated fading channel, without adding much complexity to the process.
KW - Antenna switching function
KW - Correlated fading channels
KW - Hybrid ARQ
KW - V-BLAST
UR - http://www.scopus.com/inward/record.url?scp=36348950821&partnerID=8YFLogxK
U2 - 10.1109/WCNC.2007.202
DO - 10.1109/WCNC.2007.202
M3 - Conference contribution
AN - SCOPUS:36348950821
SN - 1424406595
SN - 9781424406593
T3 - IEEE Wireless Communications and Networking Conference, WCNC
SP - 1069
EP - 1073
BT - 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007
T2 - 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007
Y2 - 11 March 2007 through 15 March 2007
ER -