Báo cáo hóa học: " Improving TCP Performance over Wireless Ad Hoc Networks with Busy Tone Assisted Scheme" pdf

... 10.1155/WCN/2006/51610 Improving TCP Performance over Wireless Ad Hoc Networks with Busy Tone Assisted Scheme Qi He, 1 Lin Cai, 2 Xuemin (Sherman) Shen, 3 and Pinhan Ho 3 1 Research In Motion (RIM), Ottawa, ON, Canada, ... protocol (TCP) performance degrades severely in IEEE 802.11-basedwirelessadhoc networks. We first identify two critical issues leading to the TCP...

Ngày tải lên: 22/06/2014, 22:20

... underwater acoustic sensor networks, ” Ad Hoc Networks, vol.7,no.4,pp. 778–790, 2009. [14] G. Ferrari, B. Baruffini, and O. Tonguz, “Spectral efficiency- connectivity tradeoff in ad hoc wireless network,” in ... conventional ad hoc wireless networks considering 2D node distribution is conducted in [14]. In the current section, this analysis is extended to ad hoc dispersed s...

Ngày tải lên: 21/06/2014, 05:20

... content over hybrid wired /wireless ad hoc networks and the design of innovative radio access schemes. Details of the API allowing high- fidelity simulations by transmitting bits and bytes over the radio ... 0; } RadioChannelManager ∗ rcm; double getFastFading() { return 1; } double getFastFading(FastFadingInfo ∗ ffi) { return 1; } double getSlowFading() { return 1; } double getSlowFa...

Ngày tải lên: 21/06/2014, 23:20

... intelligently on IN for improving the quality of video streams over multi-hop wireless ad hoc networks. Previous works on improving the quality of video streaming over a wireless ad hoc network include ... of wireless mobile devices, such as notebook PC, PDA, and smart phone, has greatly promoted multimedia applications over wireless ad hoc networks. Transfer...

Ngày tải lên: 21/06/2014, 23:20

... next-generation wireless networks, there has been increasing research interest in the delivery of mul- timedia services over such wireless ad hoc networks [1, 2, 3]. A data partitioning scheme, together with ... lost due to late arrivals. Cross-Layer QoS Control for Video over Ad Hoc Networks 745 RTP-H.264 packet video delivery over ad hoc networks. Fi- nally, Se...

Ngày tải lên: 23/06/2014, 00:20

... capability of cooperative anti-intruder radar systems” by E. Paolini et al. considers the problem of localizing passive objects with a multistatic radar using impulse radio UWB technology. The proposed ... wireless networks by I. Martin-Escalona and F. Barcelo-Arroyo, a hybrid localization technique is proposed. The positioning algorithm, named time of arrival to time difference of arriva...

Ngày tải lên: 22/06/2014, 01:20

... “The capacity of 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 networks, ” IEEE ... Theory, vol. 50, no. 12, pp. 3062–3080, 2004. [4] M. Qin and R. S. Blum, “Capacity of wireless ad hoc networks with cooperative diversity: a warning on the interaction of...

Ngày tải lên: 22/06/2014, 22:20

... INTRODUCTION Theemergenceofnovelwirelessservices,suchasmesh- based wireless LANs and sensor networks, is causing a shift of the interest of the communications community f rom infrastruc ture-based wireless networks to ad hoc ... hoc wireless networks. While the theory of infrastructure-based wire- less networks is by now fairly well developed, a complete information-theoreti...

Ngày tải lên: 22/06/2014, 22:20

... run seven different simulations. One with TCP NewReno, one with TCP Veno, one with TCP CERL, one with RR -TCP, one with TCP- PR, one with TCP DOOR, and one with TCP NCE. When the per- centage of packet ... 35 Throughput(Mbps) 0 5 10 15 20 25 30 35 TCP NewReno TCP Veno TCP Cerl RR TCP TCP PR TCP DOOR TCP NCE Reorderrate(%) 12345 Throughput(Mbps) 1 2 3...

Ngày tải lên: 21/06/2014, 02:20

... congestion control scheme with end-to-end semantics to impr ove SCTP performance over wired -wireless networks. The new SCTP protocol, JSCTP adopts jitter ratio to differentiate wireless loss from congestion ... wired -wireless networks, this paper proposed a new congestion control scheme with end-to-end semantics which is based on jitter ratio over wired -wireless networks,...

Ngày tải lên: 21/06/2014, 05:20