179
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TMC
2012
13 years 6 months ago
2012
—3G networks are currently overloaded, due to the increasing popularity of various applications for smartphones. Offloading mobile data traffic through opportunistic communicatio...
208
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TMC
2012
13 years 6 months ago
2012
—We investigate the following fundamental question—how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evalu...
151
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TMC
2012
13 years 6 months ago
2012
—This paper studies video multicasting in large scale areas using wireless mesh networks. The focus is on the use of Internet access gateways that allow a choice of alternative r...
146
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TMC
2012
13 years 6 months ago
2012
—The pervasive adoption of IEEE 802.11 radios in the past decade has made possible for the easy Internet access from a vehicle, notably drive-thru Internet. Originally designed f...
164
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TMC
2012
13 years 6 months ago
2012
—Sensor networks nowadays are widely used for structural health monitoring; for example, the sensor monitoring system deployed on the Guangzhou New TV Tower, China. While wired s...
160
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TMC
2012
13 years 6 months ago
2012
Abstract—In order to achieve data delivery in Delay Tolerant Networks (DTN), researchers have proposed the use of store-carryand-forward protocols: a node there may store a messa...
176
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TMC
2012
13 years 6 months ago
2012
—Backoff misbehavior, in which a wireless node deliberately manipulates its backoff time, can induce significant network problems, such as severe unfairness and denial-of-servic...
128
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TMC
2012
13 years 6 months ago
2012
In this paper we study the availability of TV white spaces in Europe. Specifically, we focus on the 470–790 MHz UHF band, which will predominantly remain in use for TV broadcas...
189
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TMC
2012
13 years 6 months ago
2012
—We develop a distributed throughput-optimal power allocation algorithm in wireless networks. The study of this problem has been limited due to the nonconvexity of the underlying...
176
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TMC
2012
13 years 6 months ago
2012
Abstract—We consider the problem of relay-assisted transmission for cellular networks. In the considered system, a source node together with n relay nodes are selected in a propo...