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TWC
2008
105views more  TWC 2008»
9 years 11 months ago
Joint medium access control, routing and energy distribution in multi-hop wireless networks
It is a challenging task for multi-hop wireless networks to support multimedia applications with quality-ofservice (QoS) requirements. This letter presents a joint crosslayer optim...
Khoa T. Phan, Hai Jiang, Chintha Tellambura, Sergi...
TWC
2008
124views more  TWC 2008»
9 years 11 months ago
On the Performance of Distributed Polling Service-based Medium Access Control
It has been shown in the literature that many MAC protocols for wireless networks have a considerable control overhead, which limits their achievable throughput and delay performan...
Yihan Li, Shiwen Mao, Shivendra S. Panwar, Scott F...
TWC
2008
117views more  TWC 2008»
9 years 11 months ago
Achievable Rates and Fairness in Rateless Coded Relaying Schemes
Abstract--The average throughput of three decode-andforward (DF) half-duplex (DFHD) and two DF full-duplex (DFFD) rateless coded relaying schemes are studied under a peak power con...
Reza Nikjah, Norman C. Beaulieu
TWC
2008
150views more  TWC 2008»
9 years 11 months ago
Improved iterative detection and achieved throughputs of OFDM systems under imperfect channel estimation
Abstract--Assuming imperfect channel estimation, we propose an improved detector for orthogonal frequency-division multiplexing (OFDM) systems over a frequency-selective fading cha...
Seyed Mohammad Sajad Sadough, Pierre Duhamel
TWC
2008
122views more  TWC 2008»
9 years 11 months ago
TSVC: timed efficient and secure vehicular communications with privacy preserving
In this paper, we propose a Timed Efficient and Secure Vehicular Communication (TSVC) scheme with privacy preservation, which aims at minimizing the packet overhead in terms of sig...
Xiaodong Lin, Xiaoting Sun, Xiaoyu Wang, Chenxi Zh...
TWC
2008
158views more  TWC 2008»
9 years 11 months ago
Transmission capacity of ad hoc networks with spatial diversity
This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of ...
Andrew M. Hunter, Jeffrey G. Andrews, Steven Weber
TWC
2008
112views more  TWC 2008»
9 years 11 months ago
Performance analysis of single relay selection in rayleigh fading
We provide closed-form expressions for the outage and bit error probability (BEP) of uncoded, threshold-based opportunistic relaying (OR) and selection cooperation (SC), at arbitra...
Diomidis S. Michalopoulos, George K. Karagiannidis
TWC
2008
131views more  TWC 2008»
9 years 11 months ago
Asymptotic Ergodic Capacity of Multidimensional Vector-Sensor Array MIMO Channels
Abstract--We analyze asymptotic ergodic capacity of multidimensional vector-sensor array MIMO (PMD-MIMO) channels established by the use of dual-polarized antennas in the form of 1...
Özgür Ertug
TWC
2008
207views more  TWC 2008»
9 years 11 months ago
A New Approach for Time Synchronization in Wireless Sensor Networks: Pairwise Broadcast Synchronization
Abstract--This letter proposes an energy-efficient clock synchronization scheme for Wireless Sensor Networks (WSNs) based on a novel time synchronization approach. Within the propo...
Kyoung-Lae Noh, Erchin Serpedin, Khalid A. Qaraqe
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