Sciweavers

ICC
2007
IEEE
14 years 5 months ago
Large System Performance Evaluation of the DS/CDMA Relay Channel Using Linear Receivers
— This paper considers a relay communication system where cooperative diversity is achieved by spreading the relay transmissions using direct-sequence CDMA (DS/CDMA). We derive e...
David Gregoratti, Xavier Mestre
GLOBECOM
2007
IEEE
14 years 5 months ago
Asymmetric Cooperation Among Relays with Linear Precoding
— Fixed and mobile relays are used, among other applications, in the downlink of cellular communications systems. Cooperation between relays can greatly increase their benefits ...
Natasha Devroye, Neelesh B. Mehta, Andreas F. Moli...
GLOBECOM
2007
IEEE
14 years 5 months ago
Impact of Noisy Carrier Phase Synchronization on Linear Amplify-and-Forward Relaying
—We consider a distributed wireless network where amplify-and-forward relays assist the communication between multiple source/destination pairs. To provide a global phase referen...
Stefan Berger, Armin Wittneben
WCNC
2008
IEEE
14 years 5 months ago
Quantize-and-Forward Relaying with M-ary Phase Shift Keying
Abstract—Using cooperative transmission, two or more singleantenna users can share their antennas to achieve spatial diversity in a slow fading channel. One relaying protocol tha...
Michael R. Souryal, Huiqing You
VTC
2008
IEEE
14 years 5 months ago
Performance Comparison Between DF relay and RF Repeaters in the Cellular System
— This paper compares the system level performance of Decode-and Forward (DF) relay and a RF repeater in a cellular system. The results show that for small cell sizes, the repeat...
Miao Qingyu, Afif Osseiran
ICC
2008
IEEE
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14 years 5 months ago
Flow-Optimized Asynchronous Relay Selection Protocol for Parallel Relay Networks
—We investigate the problem of flow optimization in a parallel relay network which consists of a single source sending information to a single destination through multiple relay...
Wai Pan Tam, Tat M. Lok, Tan F. Wong
GLOBECOM
2008
IEEE
14 years 5 months ago
On Channel Estimation and Capacity for Amplify and Forward Relay Networks
—Relay networks have received considerable attention recently, especially when limited size and power resources impose constraints on the number of antennas within a wireless sen...
Alireza Shahan Behbahani, Ahmed M. Eltawil
CISS
2008
IEEE
14 years 5 months ago
Relay selection methods for wireless cooperative communications
— We study the problem of relay selection in a wireless cooperative network. Assuming a single source, a single destination, and N uniformly distributed candidate relays, we seek...
Seunghoon Nam, Mai Vu, Vahid Tarokh