Sciweavers

VTC
2008
IEEE
14 years 6 months ago
DS-CDMA MMSE Turbo Equalization Using 2-Step Maximum Likelihood Channel Estimation
—Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion and frequencydomain inter-chip interference (ICI) cancellation can be incorporated in...
Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi
VTC
2008
IEEE
153views Communications» more  VTC 2008»
14 years 6 months ago
Improving Mobile IPv6 Handover in Wireless Network with E-HCF
— Mobile IP allows a mobile node to maintain a continuous connectivity to the Internet when moving from one access point to another. However, due to the link switching delay and ...
Anne Wei, Gouzhi Wei, Benoit Geller
VTC
2008
IEEE
102views Communications» more  VTC 2008»
14 years 6 months ago
CQI Feedback Reduction Based on Spatial Correlation in OFDMA System
— In OFDMA systems, channel quality information (CQI) feedback is used to determine the modulation and coding level of a mobile station (MS). When the MS uses diversity, it trans...
Woongsup Lee, Dong-Ho Cho
VTC
2008
IEEE
14 years 6 months ago
A Bit-Mapping Strategy for Joint Iterative Channel Estimation and Turbo-Decoding
Abstract— In this paper, we investigate Turbo-coded transmission over a temporally correlated flat Rayleigh fading channel. Conventionally, channel estimation is performed prior...
Susanne Godtmann, Helge Lüders, Gerd Ascheid,...
VTC
2008
IEEE
14 years 6 months ago
Impact of Transmit Array Geometry on Downlink System-Level Performance of MIMO Systems
—For a cellular system with a fixed number of transmit antennas at each base station, we investigate how the system-level performance varies as a function of the geometry of the...
Afif Osseiran, Kambiz C. Zangi, Dennis Hui
VTC
2008
IEEE
196views Communications» more  VTC 2008»
14 years 6 months ago
Block Equalization and Generalized MLSE Arbitration for the HSPA WCDMA Uplink
Abstract— High Speed Packet Access (HSPA), the latest evolution of the Wideband Code Division Multiple Access (WCDMA) standard, provides higher uplink data rates using higher-ord...
Gregory E. Bottomley
VTC
2008
IEEE
167views Communications» more  VTC 2008»
14 years 6 months ago
Joint Time-Frequency Domain Proportional Fair Scheduler with HARQ for 3GPP LTE Systems
: This paper explores the potential gain of joint diversity in both frequency domain and time domain which can be exploited to achieve spectral efficiency gains whilst simultaneous...
Kian Chung Beh, Simon Armour, Angela Doufexi
VTC
2008
IEEE
14 years 6 months ago
Space-Time Block Coded-Joint Transmit/Receive Antenna Diversity using more than 4 Receive Antennas
—Antenna diversity is an effective technique for improving the transmission performance in a multi-path fading channel. Recently, we proposed the space-time block coded-joint tra...
Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi
VTC
2008
IEEE
14 years 6 months ago
An Analytical Approach to V-BLAST Detection with Optimal Ordering for Two Input Multiple Output Systems
In this paper, an analytical approach to performance analysis of vertical Bell laboratories layered space time (V-BLAST) detection with optimal ordering for systems with two transm...
Wei Peng, Shaodan Ma, Tung-Sang Ng, Jiangzhou Wang...
VTC
2008
IEEE
203views Communications» more  VTC 2008»
14 years 6 months ago
A Dual-Band HF / UHF Antenna for RFID Tags
—Conventional RFID (radio frequency identification) systems operating at one single carrier frequency can hardly handle the great variety of shapes and materials that occur in p...
Lukas W. Mayer, Arpad L. Scholtz