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126
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Presteering of broadband antenna arrays is required to compensate the effect of misalignment between the look direction and the array geometry and is achieved by insert...
209
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Wireless topology control is the process of structuring the connectivity between network nodes to achieve some network-wide goal. This paper presents a cognitive networ...
136
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract—Spectral sensing for the presence of ATSC DTV signals in VHF/UHF TV bands under a very low SNR environment is one of the core technologies in IEEE 802.22 WRAN. There are...
184
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Cooperative diversiy is a promising technology for future wireless networks. In this paper, based on the moment generating function (MGF), we derive exact closed-form e...
172
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— In this paper, a problem for efficient use of subcarriers in downlink OFDMA multi-hop cellular networks is studied based on quality of service (QoS) guarantee of each ...