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» Delay Spread Estimation for Wireless Communication Systems
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TSP
2010
13 years 2 months ago
Analog beamforming in MIMO communications with phase shift networks and online channel estimation
In multiple-input multiple-output (MIMO) systems, the use of many radio frequency (RF) and analog-to-digital converter (ADC) chains at the receiver is costly. Analog beamformers op...
Vijay Venkateswaran, Alle-Jan van der Veen
IPSN
2010
Springer
13 years 9 months ago
Adaptive IEEE 802.15.4 protocol for energy efficient, reliable and timely communications
The IEEE 802.15.4 standard for wireless sensor networks can support energy efficient, reliable, and timely packet transmission by tuning the medium access control parameters macMi...
Pan Gun Park, Carlo Fischione, Karl Henrik Johanss...
VTC
2008
IEEE
14 years 2 months ago
Modelling and Analysis of ARQ Mechanisms for Wireless Multi-Hop Relay System
Abstract— Multi-hop relaying has attracted considerable attention recently as a key technique for improving cell coverage and throughput in wireless communication. We modelled va...
Soo-Yong Jeon, Dong-Ho Cho
AICT
2005
IEEE
157views Communications» more  AICT 2005»
13 years 9 months ago
Fast Retransmission of Real-Time Traffic in HIPERLAN/2 Systems
Automatic repeat request (ARQ) schemes are effective to recover non-real-time data corrupted by channel errors, but their use with real-time traffic is seldom considered because p...
Jose A. Afonso, Joaquim E. Neves
AINA
2010
IEEE
14 years 8 hour ago
A Fully Dynamic and Self-Stabilizing TDMA Scheme for Wireless Ad-hoc Networks
One important challenge in wireless ad hoc networks is to achieve collision free communication. Many MAC layer protocols have been proposed by considering various communication mod...
Bezawada Bruhadeshwar, Kishore Kothapalli, Indira ...