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The problem formulation are:
R
the set of all mesh routers
N
number of mesh routers
K
the maximum number of antennas that is allowed to be installed in a mesh router
auv
the indicator function which is 1 if a direct wireless link is formed between mesh
routers u and v, and 0 otherwise, auu = 0
λu
the traffic demand of mesh router u
tuv
the traffic load offered by mesh routers u to v. tuv≥0, tuu = 0
cuv
link capacity of the wireless link between mesh routers u and v. cuv≥0, cuu = 0
δuv
the indicator function which is 1 if mesh router u is a gateway and 0 otherwise
σu
the cost on setting up mesh router u as a gateway
D
the maximum tolerable delay
du
the maximum delay of mesh router u
The WMN design problem is then formulated as:
The cost on setting up an antenna and setting mesh router u as a gateway is normalized as 1 and σu, respectively. Constraint (C1) represents the degree constraint on mesh routers, while constraint (C2) requires that the offered load of mesh routers u to v does not exceed the link capacity. Constraint (C3) requires traffic balance for each non-gateway mesh router. Besides, for a gateway mesh router, no traffic demand is present and a gateway does not offer traffic load to other mesh routers. Constraint (C4) requires that all traffic demands are served by gateways. Constraint (C5) means that a link is formed by two opposite antennas. Constraint (C6) requires that the maximum packet delay of each mesh router is within an acceptable range.
Moreover, for the sake of survivability, the WMN requires that each non-gateway mesh router should have at least two node-disjoint paths to different gateways. Therefore a WMN must meet the following survivability
requirement:
? i,j ? (1- δu)ni,j = 0
where ni,j denotes the number of common nodes among mesh router u's ith and j th paths.
Use directional antenna and node operate in Time division duplex (TDD) mode with BWMN.
Traffic demand of mesh router is composed of client's effective traffic demands.
Should video game companies continue to alter their products to include other functions, such as Email ?
explain in short
How are Indian customers visiting Shoppers’ Stop any different from customers of developed western countries?
should vedio game campanies continue the alter their products to include other function ,such as email?
Store layout The word store layout refers to: How store fixtures and display gondolas are positioned within the store The size of the store fixtures and display gondolas
Q : Regress widget sales on time and add the (a) line, (b) linear equation and (c) R 2 (variance explained) to the graph you created in Q3. Please explain the meaning of each.
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1. You are provided with a file labeled "MULTIBETA11DAT," with monthly data running from January of 2006 through June of 2011. Use the data to estimate a four-variable model (by us
What do you mean by product mix .
Augmented Product An augmented product is one with entity in addition to those required to serve its core function that defined it from other products available in its class.
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