Sciweavers

ICC
2007
IEEE
172views Communications» more  ICC 2007»
14 years 3 months ago
Cell Mobility Based Admission Control for Wireless Networks with Link Adaptation
— Link adaptation is one of the key technologies used in high speed wireless networks such as HSDPA and mobile WiMAX. The dynamic feature of mobile users’ channel capacities br...
Jing Li, Srinivas Sampalli
ICC
2007
IEEE
121views Communications» more  ICC 2007»
14 years 3 months ago
Eigen-Analysis of UWB Channel on the Basis of Information Theoretic Criteria
— Underground mine galleries can be considered as complex transmission lines where multipath, attenuation, reflection, diffraction and scattering effects are dominants. However, ...
Abdellah Chehri, Paul Fortier, Pierre-Martin Tardi...
ICC
2007
IEEE
200views Communications» more  ICC 2007»
14 years 3 months ago
Channel Capacity of IM/DD Optical Communication Systems and of ACO-OFDM
In this paper we investigate the channel capacity of intensity modulated direct detection (IM/DD) wireless optical communication systems for an AWGN channel with a limit on the ave...
Xia Li, Rosemary Mardlin, Jean Armstrong
ICC
2007
IEEE
117views Communications» more  ICC 2007»
14 years 3 months ago
On The Optimal Amount of Training for Peak-Power-Limited Rayleigh Fading Channels
— We consider the optimal amount of training for single-antenna Rayleigh flat fading channels with peak-powerlimited input. The receiver uses known training symbols to perform m...
Wei Mao, Xin Su, Ming Zhao 0001, Xibin Xu
ICC
2007
IEEE
167views Communications» more  ICC 2007»
14 years 3 months ago
Precoding for Multiuser Orthogonal Space-Time Block-Coded OFDM: Mean or Covariance Feedback?
Abstract— This paper presents precoding design for errorrate improvement in closed-loop multiuser orthogonal space-time block-coded (OSTBC) multiple-input multiple-output (MIMO) ...
Yu Fu, Witold A. Krzymien, Chintha Tellambura
ICC
2007
IEEE
14 years 3 months ago
Optimal Pilot Symbol Distribution for Efficient and Low-Complexity Doppler-Shift and Doppler-Rate Estimation in Bursty Transmiss
— Due to relative motion between the transmitter and the receiver, the carrier of the received signal in digital burstmode transmission can be affected by Doppler distortion. Thi...
Luca Giugno, Francesca Zanier, Marco Luise
ICC
2007
IEEE
14 years 3 months ago
Hybrid ARQ Scheme Based on Recursive Convolutional Codes and Turbo Decoding
Abstract— We propose a hybrid ARQ scheme using recursive convolutional codes and the turbo principle. In the first transmission the system encodes the data through a systematic ...
Tamara Rodrigues, Richard Demo Souza, Marcelo Edua...
ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 3 months ago
Composite Frequency-Offset Estimator for Wireless Communications
— The paper deals with the problem of the carrier frequency-offset (CFO) estimation for wireless communications. Since the well-known maximum-likelihood (ML) CFO estimator is rat...
Zhuo Lu, Jiandong Li, Linjing Zhao, Yao Liu
ICC
2007
IEEE
14 years 3 months ago
On the Error Floor Performance of SCTCM Systems with Non-Recursive Inner Codes
Abstract— It has previously been shown that serially concatenated trellis coded modulation (SCTCM) with a non-recursive inner convolutional code can achieve convergence close to ...
Anders Nilsson, Tor Aulin
ICC
2007
IEEE
146views Communications» more  ICC 2007»
14 years 3 months ago
Impact of Multi-Rate VoIP on Quality of Service in IEEE 802.11e EDCA with Link Adaptation
— With the deployment of IEEE 802.11 wireless LANs, there is a strong requirement to support real-time applications with stringent QoS requirements on these networks. IEEE 802.11...
Takehiro Kawata, Hiroshi Yamada