178 search results - page 18 / 36 » An iterative power allocation algorithm in OFDM system based... |
GLOBECOM
2007
IEEE
14 years 9 days ago
2007
IEEE
In this paper, we derive an optimal resource allocation algorithm for ergodic weighted-sum capacity maximization in OFDMA systems assuming the availability of only partial (imperfe...
TSP
2010
13 years 3 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
ISLPED
2005
ACM
14 years 2 months ago
2005
ACM
ABSTRACT Motivated by data value locality and quality tolerance present in multimedia applications, we propose a new micro-architecture, Region-level Approximate Computation Buffer...
COMSWARE
2007
IEEE
14 years 2 months ago
2007
IEEE
— Sequence design and resource allocation for a symbol-asynchronous chip-synchronous code division multiple access (CDMA) system is considered in this paper. A simple lower bound...
TIT
2008
13 years 8 months ago
2008
This paper presents a quasi-random approach to space-time (ST) codes. The basic principle is conceptually simple, yet still very effective and flexible regarding the transmission ...