TY - GEN
T1 - On the system capacity of relay-aided Powerline Communications
AU - Cheng, Xilin
AU - Cao, Rui
AU - Yang, Liuqing
PY - 2011
Y1 - 2011
N2 - Powerline Communications (PLC) is a favorable communication technique for many smart grid applications such as AMI and powerline health monitoring. With the existing powerline infrastructure, PLC provides both communication security and ubiquitousness. However, long-distance communication is very challenging in PLC due to its frequency-dependent channel and noise characteristics. To provide reliable communications at long transmission distances, relay communications has been proposed in powerline environments. However the capacity features of relay-aided (RA-) PLC have not been fully investigated. In this paper, we analyze the performance of RA-PLC from an information-theoretic perspective. With empirical channel models, the end-to-end SNR is first computed, and then the optimal carrier frequency and signal bandwidth are determined. Finally, the system capacity is analyzed and numerical results are presented to reveal the features of RA-PLC. Through comparison with the direct-link (DL-) PLC system, the benefits of RA-PLC are also illustrated. In addition, the effects of power allocation and relay location selection on the system capacity are investigated.
AB - Powerline Communications (PLC) is a favorable communication technique for many smart grid applications such as AMI and powerline health monitoring. With the existing powerline infrastructure, PLC provides both communication security and ubiquitousness. However, long-distance communication is very challenging in PLC due to its frequency-dependent channel and noise characteristics. To provide reliable communications at long transmission distances, relay communications has been proposed in powerline environments. However the capacity features of relay-aided (RA-) PLC have not been fully investigated. In this paper, we analyze the performance of RA-PLC from an information-theoretic perspective. With empirical channel models, the end-to-end SNR is first computed, and then the optimal carrier frequency and signal bandwidth are determined. Finally, the system capacity is analyzed and numerical results are presented to reveal the features of RA-PLC. Through comparison with the direct-link (DL-) PLC system, the benefits of RA-PLC are also illustrated. In addition, the effects of power allocation and relay location selection on the system capacity are investigated.
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U2 - 10.1109/ISPLC.2011.5764385
DO - 10.1109/ISPLC.2011.5764385
M3 - Conference contribution
AN - SCOPUS:79957474408
SN - 9781424477500
T3 - 2011 IEEE International Symposium on Power Line Communications and Its Applications, ISPLC 2011
SP - 170
EP - 175
BT - 2011 IEEE International Symposium on Power Line Communications and Its Applications, ISPLC 2011
T2 - 2011 IEEE International Symposium on Power Line Communications and Its Applications, ISPLC 2011
Y2 - 3 April 2011 through 6 April 2011
ER -