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» On Using Channel Prediction in Adaptive Beamforming Systems
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GLOBECOM
2008
IEEE
15 years 4 months ago
Blind Turbo Channel Estimation of QAM Signals Exploiting Code Constraints
—We present a blind turbo equalizer for QAM signals that exploits the statistics that a channel code imposes on the transmitted signal. The receiver is an adaptation of previous ...
André Fonseca dos Santos, Wolfgang Rave, Ge...
TCOM
2008
128views more  TCOM 2008»
14 years 9 months ago
Cross-Layer Rate and Power Adaptation Strategies for IR-HARQ Systems over Fading Channels with Memory: A SMDP-Based Approach
Abstract--Incremental-redundancy hybrid automatic repeatrequest (IR-HARQ) schemes are proposed in several wireless standards for increased throughput-efficiency and greater reliabi...
Ashok K. Karmokar, Dejan V. Djonin, Vijay K. Bharg...
ICHIT
2009
Springer
15 years 4 months ago
Adaptive PSAM in SIMO systems with imperfect CSI in Rayleigh fading channels
In this paper we provide an adaptive modulation approach that uses adaptive pilot symbols which both pilot spacing and power allocation on pilot symbols are optimized in single in...
Reza Barazideh, Babak Seyfe
ICMCS
2005
IEEE
113views Multimedia» more  ICMCS 2005»
15 years 3 months ago
Network-Adaptive Frame-Expansion-Based Packet Video Coding for Erasure Channels
This paper proposes a novel error-resilient packet video coding method which is designed to operate on unreliable IP networks suffering from large bursts of packet losses. The mai...
Andrew G. Backhouse, Irene Y. H. Gu
ICC
2007
IEEE
15 years 3 months ago
Adaptive Beam Clustering Optical Wireless System for An Indoor Channel
: The separating distance between the transceivers is one of the main factors that affect the quality of the received optical signal as the receiver changes locations in an optical...
Jamal M. Alattar, Jaafar M. H. Elmirghani