By Muhammad Ismail, Weihua Zhuang
This short specializes in radio source allocation in a heterogeneous instant medium. It offers radio source allocation algorithms with decentralized implementation, which help either single-network and multi-homing companies. The short offers a suite of cooperative networking algorithms, which depend upon the strategies of momentary name site visitors load prediction, community cooperation, convex optimization, and decomposition idea. within the proposed options, cellular terminals play an energetic position within the source allocation operation, rather than their conventional position as passive provider recipients within the networking environment.
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Extra info for Cooperative Networking in a Heterogeneous Wireless Medium
Example text
This calls for a higher link access prices for all three networks. As M331 increases, the link access price value increases to indicate that it is more expensive to use these links. These results follow the complementary slackness condition [6]. Normally, the WLAN AP has a lower link access price than the WiMAX BS, since the number of users supported by the WLAN AP is less than those supported by the WiMAX BS in the three areas. But as the WLAN AP gives a lower cost on its resources using the priority parameter p3m1 , most of the users in area 3 use its bandwidth, and the WLAN subscribers in area 3 are mainly supported by the WLAN AP, which causes the link access price for the WLAN AP to increase above the link access price value of the WiMAX BS for M331 > 18.
For M331 > 27, any further increase in the bandwidth allocation from the WiMAX BS to the WLAN subscribers would degrade the WiMAX BS bandwidth allocation to its own VBR subscribers. This is not allowed, however, by the priority mechanism as it gives higher priority on the WiMAX BS resources to the WiMAX subscribers. Hence, the WiMAX BS decreases its allocated bandwidth to the VBR WLAN subscribers which reduces the VBR call total bandwidth allocation towards the call minimum required bandwidth. For M331 > 34, the WLAN AP decreases its bandwidth allocation to its VBR subscribers in order to support the increasing number of its CBR subscribers.
N lk ), ∀n ∈ N , l ∈ L, k ∈ K. 6) can be solved using For a given lk lk the DORA algorithm in order to find the corresponding optimal link access price values λns ∀n ∈ N , s ∈ Sn . 2 The Operation Phase The main objective of this phase is to perform the bandwidth allocation process for each user joining the networks based on the following four steps. Step 1: Each network BS/AP in the geographical region fixes its link access price value to the value calculated in the setup phase, λns , independent of call arrivals and departures.