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» A cheap relaying protocol for orthogonal relay channels
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ICASSP
2011
IEEE
14 years 1 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
15 years 4 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
15 years 4 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
14 years 11 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
82
Voted
TMC
2010
137views more  TMC 2010»
14 years 8 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