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198
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In orthogonal frequency-division multiplex access (OFDMA) systems, including uplink and downlink, the carrierfrequency offset (CFO) between the multiple transceivers introduces...
184
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ISCAS
2007
IEEE
16 years 1 months ago
2007
IEEE
— We propose a computationally efficient method based on nonlinear optimization to identify critical lines, failure of which can cause severe blackouts. Our method computes crit...
198
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SMC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Some of the established approaches to evaluating text clustering algorithms for information retrieval show theoretical flaws. In this paper, we analyze these flaws an...
191
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, the issue of channel estimation in Single Carrier Frequency Domain Equalization (SC-FDE)1 uplink Space Division Multiple Access (SDMA) systems in the presence of in...
124
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Placing relays around the base station (BS) to assist wireless communication is an effective way of extending coverage in cellular systems. This paper provides a quantitative a...