Title :
Performance evaluation of a recursive LA/IR protocol for MC-CDMA power line communications
Author :
Assimakopoulos, C. ; Pavlidou, F.-N.
Author_Institution :
Dept. of Electr. & Comput. Eng., Aristotle Univ. of Thessaloniki, Greece
Abstract :
The performance evaluation of a recursive link adaptation/incremental redundancy (LA/IR) protocol is made on a power line channel for communication purposes. The recursive LA/IR protocol has been tested for a wireless channel and proved to have an improved performance compared to other pure IR protocols or hybrid non-recursive LA/IR. The communication medium is the power line in buildings grid where users are plugged on/off randomly. The transmission scheme is a MC-CDMA where information bits are coded using rate compatible punctured convolutional codes (RCPC) codes. The performance measures are: (a) the number of users versus delay due to retransmissions, and (b) the effective code rate that gives an indication of the system throughput.
Keywords :
carrier transmission on power lines; code division multiple access; convolutional codes; delays; multiuser channels; protocols; MC-CDMA; MC-CDMA power line communications; RCPC; code rate; coded information bits; hybrid nonrecursive LA/IR; link adaptation/incremental redundancy protocol; performance evaluation; performance measures; pure IR protocols; rate compatible punctured convolutional codes; recursive LA/IR protocol; retransmission delay; system throughput; wireless channel; Attenuation; Background noise; Decoding; Delay; Frequency; Multicarrier code division multiple access; Power engineering computing; Power line communications; Throughput; Wireless application protocol;
Conference_Titel :
Spread Spectrum Techniques and Applications, 2002 IEEE Seventh International Symposium on
Print_ISBN :
0-7803-7627-7
DOI :
10.1109/ISSSTA.2002.1049345
