Sciweavers

ICC
2007
IEEE
102views Communications» more  ICC 2007»
14 years 6 months ago
Efficient Placement Schemes to Fully Utilize Peer Upstream Bandwidth
— Efficiently utilizing limited peer upstream bandwidth is one of key challenges in P2P streaming. Many mechanisms have been proposed to address this issue by considering peer av...
Vicky Zeng, Yingfei Dong
ICC
2007
IEEE
105views Communications» more  ICC 2007»
14 years 6 months ago
Mean Time to Lose Lock for a PLL with Loop Delay under Thermal and Phase Noise Conditions
—The growing demand for reliable communications leads to the need for very large mean time to lose lock (MTLL) of PLL based synchronization subsystems. These large MTLLs, of the ...
Uri Yehuday, Ben-Zion Bobrovsky, Jeffrey Davidson
ICC
2007
IEEE
149views Communications» more  ICC 2007»
14 years 6 months ago
Channel Delay Impact on CCSDS File Delivery Protocol (CFDP) over Space Communications Links
—A substantially long round trip time (RTT) in space channel hurts TCP interactions between the sending and receiving ends. The Consultative Committee for Space Data Systems (CCS...
Ruhai Wang, Bidhya L. Shrestha, Xiaoli Ma
ICC
2007
IEEE
172views Communications» more  ICC 2007»
14 years 6 months ago
Performance Analysis of Cooperative Diversity Using Equal Gain Combining (EGC) Technique Over Rayleigh Fading Channels
Abstract— Cooperative diversiy is a promising technology for future wireless networks. In this paper, based on the moment generating function (MGF), we derive exact closed-form e...
Salama Ikki, Mohamed H. Ahmed
ICC
2007
IEEE
123views Communications» more  ICC 2007»
14 years 6 months ago
A Game Theoretic Solution for Exploiting Multiuser Diversity in Cooperative Slotted Aloha
— In multiuser systems, multiuser diversity gains can be achieved by assigning channels to users with higher channel quality. To avoid the extensive information exchange required...
Cristina Comaniciu, Dandan Wang, Hlaing Minn, Naof...
ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 6 months ago
Rake Reception of UWB-IR Indoor Radio with Reflector
Isamu Matsunami, Akihiro Kajiwara
ICC
2007
IEEE
229views Communications» more  ICC 2007»
14 years 6 months ago
Impact of Spatial Fading Correlation and Keyholes on the Capacity of MIMO Systems with Transmitter and Receiver CSI
Abstract—This paper investigates the impact of fading correlation and channel degeneracy alias keyhole condition on the capacity of multiple-input multiple-output (MIMO) spatial ...
Amine Maaref, Sonia Aïssa
ICC
2007
IEEE
107views Communications» more  ICC 2007»
14 years 6 months ago
Error Floors of LDPC Coded BICM
Abstract— In recent years performance prediction for communication systems utilizing iteratively decodable codes has been of considerable interest. There have been significant b...
Aditya Ramamoorthy, Nedeljko Varnica
ICC
2007
IEEE
14 years 6 months ago
Signature Based Spectrum Sensing Algorithms for IEEE 802.22 WRAN
Abstract—Spectral sensing for the presence of ATSC DTV signals in VHF/UHF TV bands under a very low SNR environment is one of the core technologies in IEEE 802.22 WRAN. There are...
Hou-Shin Chen, Wen Gao, David G. Daut
ICC
2007
IEEE
107views Communications» more  ICC 2007»
14 years 6 months ago
Time-Hopping UWB Multiuser Detection Using Adaptive Multistage Matrix Wiener Filtering Schemes
— Adaptive reduced-rank (RR) multistage matrix Wiener filtering (MMWF) techniques, based on the minimum mean-square error (MMSE) criterion, are proposed for timehopping (TH) pul...
Chia-Chang Hu, Hsuan-Yu Lin, Tsung-Hsien Liu, Yong...