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GLOBECOM
2008
IEEE
9 years 2 days ago
Binary Consensus over Fading Channels: A Best Affine Estimation Approach
In this paper we consider a cooperative network that is trying to reach binary consensus over fading channels. We first characterize the impact of fading on network consensus by up...
Mehrzad Malmirchegini, Yongxiang Ruan, Yasamin Mos...
GLOBECOM
2008
IEEE
9 years 2 days ago
Power Allocation for Cognitive Radios Based on Primary User Activity in an OFDM System
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
Ziaul Hasan, Ekram Hossain, Charles L. Despins, Vi...
GLOBECOM
2008
IEEE
9 years 2 days ago
Network Planning for Next-Generation Metropolitan-Area Broadband Access under EPON-WiMAX Integration
Abstract--This paper tackles a fundamental problem of network planning and dimensioning under EPON-WiMAX integration for next-generation wireless metropolitan-area broadband access...
Bin Lin, Pin-Han Ho, Xuemin Shen, Frank Chih-Wei S...
GLOBECOM
2008
IEEE
9 years 1 months ago
User Selection for Multiple-Antenna Broadcast Channel with Zero-Forcing Beamforming
Abstract—This paper investigates the zero-forcing (ZF) beamforming transmit strategy in the multiple-antenna multiuser downlink systems. We consider the case of mobile users equi...
Saeed Kaviani, Witold A. Krzymien
GLOBECOM
2008
IEEE
9 years 1 months ago
Distance-Enhancing Constrained Codes for Optical Recording Channels
Abstract— This paper proposes distance-enhancing constrained codes for optical recording channels. The repeated minimum transition runlength (RMTR) constraints are first investi...
Kui Cai, Kees A. Schouhamer Immink, Zhiliang Qin
GLOBECOM
2008
IEEE
9 years 1 months ago
DSL Crosstalk Coefficient Acquisition Using SNR Feedback
Phil Whiting, Alexei E. Ashikhmin, Gerhard Kramer,...
GLOBECOM
2008
IEEE
9 years 1 months ago
Towards the Performance of ML and the Complexity of MMSE - A Hybrid Approach
—In this paper, we present a near ML-achieving sphere search technique that reduces the number of search operations significantly over existing sphere decoding (SD) algorithms. ...
Byonghyo Shim, Jun Won Choi, Insung Kang
GLOBECOM
2008
IEEE
9 years 1 months ago
Perturbation-Based Distributed Beamforming for Wireless Relay Networks
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
Peter Fertl, Ari Hottinen, Gerald Matz
GLOBECOM
2008
IEEE
9 years 1 months ago
Cooperative OFDM Channel Estimation with Frequency Offsets
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
GLOBECOM
2008
IEEE
9 years 1 months ago
Windowing BitTorrent for Video-on-Demand: Not All is Lost with Tit-for-Tat
—In this paper we present findings from our windowing BitTorrent simulations and show that by carefully optimizing other factors a reasonable level of performance can be achieved...
Petri Savolainen, Niklas Raatikainen, Sasu Tarkoma
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