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» A cheap relaying protocol for orthogonal relay channels
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ICASSP
2011
IEEE
12 years 11 months ago
Power allocation for orthogonal AF relay systems with outage-based QOS constraints
We consider the problem of minimizing the cost of the power required to achieve a specified level of quality-of-service (QoS) on a point-to-point link that may be assisted by an ...
Rooholah Hasanizadeh, Timothy N. Davidson
SIES
2009
IEEE
14 years 2 months ago
Improving the reliability of WiDom in a single broadcast domain
WiDom is a previously proposed prioritized medium access control protocol for wireless channels. We present a modification to this protocol in order to improve its reliability. Th...
Nuno Pereira, Björn Andersson, Eduardo Tovar,...
GLOBECOM
2008
IEEE
14 years 2 months ago
High-Throughput Non-Orthogonal Interleaved Random Space-Time Coding for Multi-Source Cooperation
Abstract— In this paper, we propose a novel distributed Interleaved Random Space-Time Code (IR-STC) designed for MultiSource Cooperation (MSC) employing various relaying techniqu...
Rong Zhang, Lajos Hanzo
GLOBECOM
2008
IEEE
13 years 8 months ago
Cooperative OFDM Channel Estimation with Frequency Offsets
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
TMC
2010
137views more  TMC 2010»
13 years 6 months ago
Asymptotic Distortion Performance of Source-Channel Diversity over Multihop and Relay Channels
—A key challenge in the design of real-time wireless multimedia systems is the presence of fading coupled with strict delay constraints. A very effective answer to this problem i...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu