5054 search results - page 315 / 1011 » simulation 2008 |
164
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JNW
2008
15 years 6 months ago
2008
Since the network topology in multihop cellular networks is flexible, multiple routes from a user station to a base station can be established. To reduce packet reception errors of...
166
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JNW
2008
15 years 6 months ago
2008
Cross-layer mechanism, for which a protocol locating at a given layer uses information issued from other layers, may enhance the mobile networks performance. Some of those mechanis...
172
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JNW
2008
15 years 6 months ago
2008
In this paper we analyse the performance of a relay based UMTS system in an urban environment using multiple hops on multiple frequency bands. Measurement based path loss, fading a...
194
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JSAC
2008
15 years 6 months ago
2008
In this paper we propose a novel method for communication over underwater acoustic channels that exhibit simultaneously large delay spread and Doppler spread, such as those found i...
152
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TCOM
2008
15 years 6 months ago
2008
Abstract--A robust frequency-hopping system with noncoherent detection, iterative turbo decoding and demodulation, and channel estimation is presented. The data modulation is the s...