178 search results - page 16 / 36 » An iterative power allocation algorithm in OFDM system based... |
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—The trellis shaping (TS) is an effective technique not only for average power reduction of high-order QAM signals, but also for peak power reduction of band-limited single-carri...
INFOCOM
1999
IEEE
13 years 11 months ago
1999
IEEE
Multiband (or multi-carrier) CDMA is a promising approach to increasing the capacity of CDMA networks, while maintaining compatibility with existing systems. This paper investigate...
WIRN
2005
Springer
14 years 25 days ago
2005
Springer
Abstract. This paper presents an Artificial Immune-based optimization technique for solving the economic dispatch problem in a power system. The main role of electrical power utili...
DAGSTUHL
2007
13 years 8 months ago
2007
We present a stationary iterative scheme for PageRank computation. The algorithm is based on a linear system formulation of the problem, uses inner/outer iterations, and amounts to...