2 papers
cs.IT2013
QoS-Aware Transmission Policies for OFDM Bidirectional Decode-and-Forward Relaying
Yuan Liu, Jianhua Mo, Meixia Tao
Two-way relaying can considerably improve spectral efficiency in relay-assisted bidirectional communications. However, the benefits and flexible structure of orthogonal frequency d…
cs.IT2012
Spectrum Leasing and Cooperative Resource Allocation in Cognitive OFDMA Networks
Meixia Tao, Yuan Liu
This paper considers a cooperative OFDMA-based cognitive radio network where the primary system leases some of its subchannels to the secondary system for a fraction of time in exc…