WIRELESS MESH NETWORKS

Ngày tải lên: 19/03/2014, 00:20

... in Wireless Backbone Mesh Networks ⎡ A 11 ( ε ) ε 12 A 12 ⎢ A 22 ( ε ) ε A Aε = ⎢ 21 21 ⎢ ⎢ ⎢ε N 1A N ε N A N ⎣ ⎡ W 11 ( ε ) ε 12 W12 ⎢ W22 ( ε ) ε W Wε = ⎢ 21 21 ⎢ ⎢ ε N WN ε N WN ⎢ ⎣ 13 ... Technical Issues in Wireless Mesh Networks 14 9 Chapter On the Capacity and Scalability of Wireless Mesh Networks 15 1 Yonghui Chen Chapter The Performance of Wireless Me...

Ngày tải lên: 20/06/2014, 12:20

... threshold 4 Wireless Mesh Networks 32 Wireless Mesh Networks 13 concrete slab block brick plaster board window door Table Attenuation factors of five obstacle types 2. 2 AP allocation problem 2. 2.1 Objectives ... 6538-65 42, ISBN: 07695 -28 05-8, Glasgow, Scotland, 20 07 28 Wireless Mesh Networks Wang, J.; Fang, Y & Wu, D (20 06) A power-saving multi-radio multi-channe...

Ngày tải lên: 20/06/2014, 12:20

... 100.0 50.0 0.0 48 44 40 36 32 28 24 23 22 21 H Proposal Comparison Fig 12 Average throughputs for different bandwidth limits 30 58 Wireless Mesh Networks Wireless Mesh Networks 60 150.0 40 100.0 ... Their 400.0 30 0.0 200.0 100.0 0.0 Instance Proposal Comparison Fig 16 Average throughputs for random networks 10 32 60 Throughput (Mbps) Wireless Mesh Networks Wireless...

Ngày tải lên: 20/06/2014, 12:20

... Random medium access schemes 0.4 Win =50 Win=100 Win= 150 Win=200 Win= 250 Unified Throughput 0. 35 0.3 0. 25 0.2 0. 15 0.1 0. 05 0 50 100 150 200 250 300 350 400 450 50 0 Number of Transmssions Fig The ... 2006) and AODV-ST (Ramachandran, K et al., 20 05) 110 Wireless Mesh Networks Mesh Router Static Mesh Client Mobile Mesh Client Fig Infrastructure wireless mesh netwo...

Ngày tải lên: 20/06/2014, 12:20

... 166 Wireless Mesh Networks Wireless Mesh Networks STA4 STA2 STA1 STA3 MAP STA5 MAP MP MP MP MP: Mesh Point MPP: Mesh Portal MAP: Mesh Access Point STA: Station MPP Wired infrastructure Fig A wireless ... the transmission range of the nodes 1 78 16 Wireless Mesh Networks Wireless Mesh Networks d12 d13 d14 d15 d9 c6 c7 c8 d10 d7 c3 c4 c5 d8 d5 c0 c1 c2 1.0 0 .8...

Ngày tải lên: 20/06/2014, 12:20

... provided by a combined multiple recursive generator (CMRG) (L’Ecuyer, 199 9) 10 194 Wireless Mesh networks Wireless Mesh Networks Essentially, a master process (Akmaster) is started on a processor, ... of VoIP Over Wireless Mesh Networks Pursuing Credibility in Performance Evaluation of VoIP Over Wireless Mesh Networks 191 – Sensitivity analysis, that is, the investig...

Ngày tải lên: 20/06/2014, 12:20

... communication overhead 248 Wireless Mesh Networks Secure Routing Protocols for WMNs Extensive work has been done in the area of secure unicast routing in multi-hop wireless networks (Hu et al., 2002a; ... varying levels of network privileges to a user This is particularly common in 802 .11 WiFi networks However, today’s MAC protocols (802 .11) and network interface cards not pro...

Ngày tải lên: 20/06/2014, 12:20

... omni-directional or directional antenna for the backbone of the WMN A directional antenna (also called a sectored antenna) is different from an omni-directional antenna in that it only transmits the signal ... International Conference on Advanced Information Networking and Applications, 465–472 (2010) F Xhafa, C Sanchez, L Barolli, R Miho, An annealing approach to router nodes placem...

Ngày tải lên: 20/06/2014, 22:20

... than one mesh routers and the number of mesh routers is smaller than that of mesh clients Mesh routers constitute a wireless mesh backbone providing a wireless infrastructure for mesh clients In ... reconstructing the table of non-overlapping interfering groups by adding the potential location into the consideration; (3) computing the sharing efficiency for the potential...

Ngày tải lên: 21/06/2014, 18:20

... selecting transmission power level based on reinforcement learning are presented Simulations and results are provided in Section The conclusion is given in Section Intercluster Connection in CogMesh ... relaying throughput in the long run Accordingly, our contribution is mainly in three aspects First, we investigate the intercluster connection within the framework of Cog...

Ngày tải lên: 21/06/2014, 20:20

... and W Zhang, “Interference-aware topology control and QoS routing in multi -channel wireless mesh networks,” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and ... p in (7), ain p aimq in (10) and (11), and ain p ,mq un p ,mq in (20) are nonlinear Even relaxing the binary constraints of (3) and (14), the problem is still noncon...

Ngày tải lên: 21/06/2014, 23:20

... F Akyildiz and X Wang, A survey on wireless mesh networks,” IEEE Communications Magazine, vol 43, no 9, pp 22–30, 2005 [3] A Adya, P Bahl, J Padhye, A Wolman, and L Zhou, A multiradio unification ... placed in a 500 m × 500 m area (Figure 7) The simulation parameters are the same as the uniform topology The throughputs are almost similar in these routing protocols at low traffic lo...

Ngày tải lên: 21/06/2014, 23:20

... we regard that the wireless link from its source can exist to this point if the strength is larger than the threshold 4 Wireless Mesh Networks 32 Wireless Mesh Networks 13 concrete slab block ... Scalable Wireless Internet-Access Mesh NetworksScalable Wireless Internet-Access Mesh Networks Access-Point Allocation Algorithms for Instance Square field Library field Orig...

Ngày tải lên: 21/06/2014, 23:20