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VTC
2006
IEEE
102views Communications» more  VTC 2006»
16 years 1 months ago
Backward Compatible Modulation Schemes for Improving Spectrum Efficiency in DAB Systems
In this study, a new physical layer transmission technique is proposed with the spectrum efficiency up to two times of that of the Eureka-147 DAB system. The proposed technique com...
Chih-Yang Kao, Ming-Chien Tseng, Ching-Yung Chen, ...
VTC
2006
IEEE
135views Communications» more  VTC 2006»
16 years 1 months ago
A Detection Algorithm for Clipped OFDM Signals Using the IDFT-Matrix
A major drawback of the Orthogonal Frequency Division Multiplex (OFDM) principle is the high dynamic range of the transmit signal. The transmit Power Amplifier (PA) and other ele...
Andreas Frotzscher, Peter Zillmann, Gerhard Fettwe...
VTC
2006
IEEE
160views Communications» more  VTC 2006»
16 years 1 months ago
On the Accuracy Improvement Issues in GSM Location Fingerprinting
– Determining the position of mobile users in GSM networks has become more and more important. Such services as emergency calls and other location dependent services have been of...
Claude Mbusa Takenga, Quan Wen, Kyandoghere Kyamak...
VTC
2006
IEEE
101views Communications» more  VTC 2006»
16 years 1 months ago
Coexistence and Interworking of IEEE 802.16 and IEEE 802.11(e)
— The coexistence and interworking of IEEE 802.16 and IEEE 802.11 is an acute problem. The frame-based medium access of 802.16 requires rigorous protection against interference f...
Lars Berlemann, Christian Hoymann, Guido R. Hiertz...
VTC
2006
IEEE
175views Communications» more  VTC 2006»
16 years 1 months ago
On-Demand Channel Assignment Using Channel Segregation for Uplink DS-CDMA Multi-Hop Virtual Cellular Network
— In order to avoid the large peak transmit power, resulting from the high transmission rates expected for future mobile communication systems, a wireless multi-hop virtual cellu...
Lalla Soundous El Alami, Eisuke Kudoh, Fumiyuki Ad...