This workis supported by National Natural Science Foundation of China (90104018 and 60172052) ,and National"863"High Technology Project(2003AA12331004) .
Recently, hosts of Medium Access Control (MAC) protocols for Ad hoc radio networks have been proposed to solve the hidden terminal problem and exposed terminal problem. However most of them take into no account the ...
This work is supported by National Natural Science Fundation of China (No.90104018 and 60172052) and National"863"Project of China (No.2003AA12331004).
The performance of Orthogonal Frequency Division Multiplexing (OFDM) systemswith Adaptive Modulation (AM) is studied in this paper. Some factors in the system includingfrequency group, time interval Channel State Info...