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PIMRC
2008
IEEE
14 years 4 months ago
Performance of VoIP services over 3GPP WCDMA networks
We analyze the performance ofvoice services over 3GPP WCDMA Networks for Release 99 and Release 7 deployments. We show, by using simulations, that the system capacity of Release 7 ...
Ozcan Ozturk, Vinay Chande, Haitong Sun, Mehmet Ya...
PIMRC
2008
IEEE
14 years 4 months ago
Multiuser MIMO two-way relaying for cellular communications
Abstract— Two-way relaying, which enables bidirectional simultaneous data transmission between two nodes, is an efficient means to reduce the spectral efficiency loss observed ...
Celal Esli, Armin Wittneben
VTC
2008
IEEE
102views Communications» more  VTC 2008»
14 years 4 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
HICSS
2007
IEEE
212views Biometrics» more  HICSS 2007»
14 years 4 months ago
Fully-automatic generation of user interfaces for multiple devices from a high-level model based on communicative acts
The problems involved in the development of user interfaces become even more severe through the ubiquitous use of a variety of devices such as PCs, mobile phones and PDAs. Each of...
Jürgen Falb, Roman Popp, Thomas Röck, He...
ICC
2007
IEEE
102views Communications» more  ICC 2007»
14 years 4 months ago
Frequency Domain Joint Estimation of Synchronization Parameter and Channel Impulse Response in Composite Radio Receiver
— In this paper, an innovative frequency domain joint estimation algorithm of synchronization parameter and channel impulse response (CIR) in Direct Sequence Code Division Multip...
Tianqi Wang, Cheng Li, Hsiao-Hwa Chen