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CISS
2008
IEEE
13 years 9 months ago
Client-centric fractional frequency reuse based on user cooperation in OFDMA networks
Abstract--This paper proposes client-centric fractional frequency reuse (CC-FFR) techniques for interference mitigation in OFDMA-based cellular wireless networks. In this framework...
Stefan Geirhofer, Ozgur Oyman
JSAC
2008
112views more  JSAC 2008»
13 years 7 months ago
System Design Considerations for Undersea Networks: Link and Multiple Access Protocols
Abstract--We address several inter-related aspects of underwater network design within the context of a cross-layer approach. We first highlight the impact of key characteristics o...
Nathan Parrish, Leonard T. Tracy, Sumit Roy, Payma...
TWC
2008
139views more  TWC 2008»
13 years 7 months ago
Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems
In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...
Gaurav Bansal, Md. Jahangir Hossain, Vijay K. Bhar...
WCNC
2008
IEEE
14 years 2 months ago
Three-Stage Serially Concatenated Codes and Iterative Center-Shifting K-Best Sphere Detection for SDM-OFDM: An EXIT Chart Aided
—Iterative K-best sphere detection (SD) and channel decoding is appealing, since it is capable of achieving a nearmaximum-a-posteriori (MAP) performance at a low complexity. Howe...
Li Wang, Lei Xu, Sheng Chen, Lajos Hanzo
ASAP
2003
IEEE
114views Hardware» more  ASAP 2003»
14 years 1 months ago
An Efficient Disk-Array-Based Server Design for a Multicast Video Streaming System
Recently, a number of researchers have started to investigate new video-on-demand (VoD) architectures using batching, patching and periodic broadcasting. These architectures, comp...
P. H. Chan Patton, Jack Y. B. Lee