5657 search results - page 932 / 1132 » Micropayments for Wireless Communications |
190
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
— We consider a point-to-multipoint cognitive radio network that shares a set of channels with a primary network. Within the cognitive radio network, a base station (BS) controls...
184
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
Abstract— In this paper, we propose an unequal error protection (UEP) framework for progressive image transmission over wireless networks with both random errors and packet loss....
182
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
Abstract— Nowadays a lot of effort is spent on developing OFDMbased inexpensive wireless transceivers. Direct-conversion radio frequency transceivers are appealing because they a...
154
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
— Widespread deployment of Wi-Fi together with 3G upgrades to cellular networks is rapidly creating areas where multiple wireless IP technologies are accessible. WiMAX will furth...
171
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
—Since the provision of both unicast and multicast services is expected for the next generation of multi-carrier wireless systems, the allocation of resources for this combinatio...