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TWC
2008
103views more  TWC 2008»
9 years 11 months ago
Exact BER analysis for M-QAM modulation with transmit beamforming under channel prediction errors
Abstract--Significant throughput improvements can be obtained in multiple-input multiple-output (MIMO) fading channels by merging beamforming at the transmitter and maximal ratio c...
Eduardo Martos-Naya, José F. Paris, Unai Fe...
TWC
2008
99views more  TWC 2008»
9 years 11 months ago
Distributed Antenna Systems with Randomness
Abstract--In a cellular distributed antenna system (DAS), distributed antenna elements (AEs) are connected to the base station via an offline dedicated link, e.g. fiber optics or l...
Jun Zhang, Jeffrey G. Andrews
TWC
2008
201views more  TWC 2008»
9 years 11 months ago
A Novel Algorithm for Multipath Fingerprinting in Indoor WLAN Environments
Abstract--Positioning in indoor wireless environments is growing rapidly in importance and gains commercial interests in context-awareness applications. The essential challenge in ...
Shih-Hau Fang, Tsung-Nan Lin, Kun-Chou Lee
TWC
2008
176views more  TWC 2008»
9 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
106views more  TWC 2008»
9 years 11 months ago
Analysis of Handoff Interference and Outage along Arbitrary Trajectories in Cellular Networks
We introduce a new system performance measure due to handoff called handoff interference, which characterizes the additional interference noise induced by the handoff process. The ...
A. Leu, B. Mark, S. Tang
TWC
2008
133views more  TWC 2008»
9 years 11 months ago
Dual-polarized wireless communications: from propagation models to system performance evaluation
In this paper, we address the potential benefits of dual-polarized arrays in multi-antenna wireless systems. After an extensive literature overview of experimental data, we present...
Claude Oestges, Bruno Clerckx, Maxime Guillaud, M&...
TWC
2008
156views more  TWC 2008»
9 years 11 months ago
Dynamic Bandwidth Allocation for QoS Provisioning in IEEE 802.16 Networks with ARQ-SA
In this paper, bandwidth allocation, in terms of distributing available data slots among different users, is studied for QoS provisioning in IEEE 802.16 networks. By considering th...
Weiwei Wang, Zihua Guo, Xuemin Shen, Changjia Chen...
TWC
2008
153views more  TWC 2008»
9 years 11 months ago
Improved Resource Management through User Aggregation in Heterogeneous Multiple Access Wireless Networks
Abstract--In this letter we discuss the exploitation of aggregated mobility patterns in mobile networks including heterogeneous multiple access techniques. We advocate the use of k...
Leonardo Badia, Nicola Bui, Marco Miozzo, Michele ...
TWC
2008
238views more  TWC 2008»
9 years 11 months ago
Downlink resource allocation in multi-carrier systems: frequency-selective vs. equal power allocation
In this paper, a dynamic subcarrier and power allocation problem is considered in the context of asymptotic utility maximization in multi-carrier systems. Using the gradient-based...
Hyang-Won Lee, Song Chong
TWC
2008
82views more  TWC 2008»
9 years 11 months ago
An Improved Deterministic SoS Channel Simulator for Multiple Uncorrelated Rayleigh Fading Channels
The generation of multiple uncorrelated Rayleigh fading waveforms is often demanded for simulating wideband fading channels, multiple-input multiple-output (MIMO) channels, and div...
Chengxiang Wang, Dongfeng Yuan, Hsiao-Hwa Chen, We...
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