Capacity evaluation for ad hoc networks with end to end delay constraints

... number of connections for telephone system Performance Evaluation Pure Ad Hoc Networks Networks Capacity Delay- Tolerant Services Hybrid Ad Hoc Networks Protocols Performance Delay- Sensitive Services ... factors affecting the performance of ad hoc networks Taxonomy for performance evaluation of ad hoc networks is presented in Figure 2.1 In the taxonomy, we...

Ngày tải lên: 02/10/2015, 12:56

... in wireless networks: efficient protocols and outage behavior,” IEEE Transactions on Information Theory, vol 50, no 12, pp 3062–3080, 2004 [4] M Qin and R S Blum, Capacity of wireless ad hoc networks ... wireless networks, ” IEEE Transactions on Information Theory, vol 46, no 2, pp 388–404, 2000 [2] S Toumpis and A J Goldsmith, Capacity regions for wireless ad hoc netwo...

Ngày tải lên: 22/06/2014, 22:20

... in wireless networks: efficient protocols and outage behavior,” IEEE Transactions on Information Theory, vol 50, no 12, pp 3062–3080, 2004 [4] M Qin and R S Blum, Capacity of wireless ad hoc networks ... wireless networks, ” IEEE Transactions on Information Theory, vol 46, no 2, pp 388–404, 2000 [2] S Toumpis and A J Goldsmith, Capacity regions for wireless ad hoc netwo...

Ngày tải lên: 22/06/2014, 22:20

... obtain the main result of this paper: the scaling of the RDP limited throughput of a random ad hoc network The next theorem covers the case where the RDP plays the role of the throughput bottleneck ... case with no route discovery meaning that under such conditions the main limitation is still data transmission CONCLUSION In this paper, we have explored the problem of th...

Ngày tải lên: 22/06/2014, 19:20

... protocol design for MIMO ad hoc networks, ” IEEE Wireless Communications, vol 13, no 4, pp 62–76, 2006 [16] R Ramanathan, “On the performance of ad hoc networks with beamforming antennas,” in Proceedings ... spatial multiplexing gain The results show that the network can be very large (thousands of nodes even for 10 degree beamwidth) before this occurs Therefore, using s...

Ngày tải lên: 22/06/2014, 19:20

... 20–30] for ad hoc networks with directional antennas are based on the IEEE 802.11 four-way handshake, with some adaptations to take advantage of directional communications Such adaptations include, ... this section More information about directional antenna models is found in [15–18] In wireless ad hoc networks with omnidirectional antennas, there is only one type...

Ngày tải lên: 21/06/2014, 23:20

... examined the uniform throughput of large ad hoc networks confined to a region of fixed area It was found that, for a large enough total area, as the total number of nodes increases, the achievable ... achievable throughput can exhibit an up-anddown behavior reaching a a maximum at a critical spatial node density that is proportional to a power of t...

Ngày tải lên: 22/06/2014, 00:20

... transmission power: joint power control, multiuser detection, and routing 10−3 Initialization r Eb 10−4 p+MUD p+MUD 10−5 1.5 2.5 Iterations 3.5 Figure 12: Total energy consumption: joint power control, ... 0.5 JOINT POWER CONTROL, ROUTING, AND MULTIUSER DETECTION 0.4 0.3 To extend the above-described joint power control and routing algorithm to include receive...

Ngày tải lên: 22/06/2014, 19:20

... The TCP instability problem in 802.11-based wireless ad hoc networks was first reported in [1], and it was further investigated in [2] The TCP unfairness problem in multihop wireless ad hoc networks ... propose a busy tone assisted broadcast and link error detection scheme with low overhead and good energyefficiency, where only the sender needs to transmit two short m...

Ngày tải lên: 22/06/2014, 22:20

... the ad hoc transport Protocol (ATP) for mobile ad hoc networks [6] After studying issues with the TCP in ad hoc networks, the authors have taken a new approach using ATP to improve the performance ... comparison of TCP performance over three routing protocols for mobile ad hoc networks,” in Proceedings of the 2nd International Symposium on Mobile Ad Hoc Networking an...

Ngày tải lên: 22/06/2014, 22:20

... transmission power: joint power control, multiuser detection, and routing 10−3 Initialization r Eb 10−4 p+MUD p+MUD 10−5 1.5 2.5 Iterations 3.5 Figure 12: Total energy consumption: joint power control, ... 0.5 JOINT POWER CONTROL, ROUTING, AND MULTIUSER DETECTION 0.4 0.3 To extend the above-described joint power control and routing algorithm to include receive...

Ngày tải lên: 22/06/2014, 22:20

... Q Yin, “Improving fairness among TCP flows crossing wireless ad hoc and wired networks,” in Proceedings of the 4th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc ... Klemm, and C Lindemann, “TCP with adaptive pacing for multihop wireless networks,” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and Computing...

Ngày tải lên: 22/06/2014, 19:20

... target application MANET is the topic also of the next three papers of the issue In the first paper, “TCP-friendly bandwidth sharing in mobile ad hoc networks: from theory to reality,” Evgeny Osipov ... mechanism to enforce the fairness Modeling users’ mobility in multi-hop ad hoc networks is the subject of the paper “A Markovian model representation of individual mobilit...

Ngày tải lên: 22/06/2014, 19:20

... in these stub networks (these are the services Autoconfiguration The Jelger mechanism to autoconfigure the addresses of the ad hoc nodes was evaluated We addressed the overhead introduced in the ... accounting server to verify the truthfulness of the information, through the cryptographic information contained in the proofs, and retrieves the information of th...

Ngày tải lên: 22/06/2014, 19:20

... devoted to the study of caching schemes with location- dependent data access being taken into account Data caching schemes with location- dependent data replacement and data handover policies are ... Introduction to Ad Hoc Networks 1.1.1 Advantages & Applications of Ad Hoc Networks 1.1.2 Challenges Faced by Ad Hoc Networks 1.1.3 Routing Schemes...

Ngày tải lên: 10/11/2015, 11:07