OFDM for Wireless Multimedia Communications
OFDM for Wireless Multimedia Communications
OFDM and MC-CDMA for Broadband Multi-User Communications, WLANs and Broadcasting
OFDM and MC-CDMA for Broadband Multi-User Communications, WLANs and Broadcasting
Wireless Communications
Randomized Space-Time Coding for Distributed Cooperative Communication
IEEE Transactions on Signal Processing
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
IEEE Transactions on Information Theory
Cooperative diversity in wireless networks: Efficient protocols and outage behavior
IEEE Transactions on Information Theory
Cooperative communication in wireless networks
IEEE Communications Magazine
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
Bit loading algorithms for cooperative OFDM systems
EURASIP Journal on Wireless Communications and Networking - Multicarrier Systems
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In this paper, we investigate the use of OFDM to facilitate cooperation among relays in a wireless network. In particular, we consider different relay and subchannel assignment and combining schemes. Based on the amount of channel state information, resources, such as subchannels, can be allocated to relays to improve the end-to-end performance. Simulation results are provided to compare the performance of these schemes in terms of block error rate. It can be seen that significant performance gains can be obtained even with little channel state information at the relays.