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CISS
2008
IEEE
13 years 8 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 6 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 5 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 11 days 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»
13 years 11 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