Abstract
In this paper, a system employing orthogonal frequency division multiplexing based maximum-ratio transmission technique is presented for cooperative communications. Since maximum ratio transmission can achieve full diversity when used at tranmitters having multiple antennas while requiring no complexity increase at the receiver, it is employed both in the transmitter and in the relays of the cooperative case. The performance of the systems are studied over Rayleigh fading channels for cooperative and non-cooperative cases and simulation results of the scenarios of varying number of transmitter antennas and relays are presented.
Keywords
Maximal-ratio combining
Transmitter
Orthogonal frequency-division multiplexing
Transmission (telecommunications)
Rayleigh fading
Computer science
Electronic engineering
Cooperative diversity
Fading
Signal-to-noise ratio (imaging)
Multiplexing
Frequency-division multiplexing
Telecommunications
Engineering
Channel (broadcasting)
Subject Areas
Cooperative Communication and Network Coding
·Computer Networks and Communications ·Physical Sciences
Advanced Wireless Communication Technologies
·Electrical and Electronic Engineering ·Physical Sciences
Advanced MIMO Systems Optimization
·Electrical and Electronic Engineering ·Physical Sciences