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TWC
2008
98views more  TWC 2008»
13 years 11 months ago
Resource Allocation for Delay Differentiated Traffic in Multiuser OFDM Systems
Abstract-- Most existing work on adaptive allocation of subcarriers and power in multiuser OFDM systems has focused on homogeneous traffic consisting of delay-constrained data (gua...
Meixia Tao, Ying-Chang Liang, Fan Zhang
TWC
2008
76views more  TWC 2008»
13 years 11 months ago
High Resolution 3-D Angle of Arrival Determination for Indoor UWB Multipath Propagation
Propagation measurements using a large array are used to study the angle of arrival (AOA) across the ultrawideband (UWB) frequency range of 3.1 to 10.6 GHz. A two-dimensional Unita...
Yongwei Zhang, Anthony K. Brown, Wasim Q. Malik, D...
TWC
2008
176views more  TWC 2008»
13 years 11 months ago
Key Management for UMTS MBMS
3GPP 33.246 proposes Key Management Mechanism (KMM) to distribute security keys for Universal Mobile Telecommunications System (UMTS) Multimedia Broadcast and Multicast Service (MB...
Shin-Ming Cheng, Wei-Ru Lai, Phone Lin, Kwang-Chen...
TWC
2008
122views more  TWC 2008»
13 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
132views more  TWC 2008»
13 years 10 months ago
Asymptotic BER analysis of threshold digital relaying schemes in cooperative wireless systems
Threshold relaying is an effective technique to achieve cooperative diversity in uncoded cooperative wireless networks, which suffer from error propagation due to detection errors...
Furuzan Atay Onat, Yijia Fan, Halim Yanikomeroglu,...