A Survey on Uplink Bandwidth Request in WiMaX Networks

Provided by: International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
Topic: Mobility
Format: PDF
The bandwidth allocation in both wired and wireless networks has posed great challenges to network engineers for improving desirable Quality of Service (QoS). Bandwidth allocation is always an important element for improve QoS of network. Bandwidth utilization is considered optimum when there is no over- or under-allocation of capacity for a particular service type. Despite this, IEEE 802.16e-2005 does not have a bandwidth allocation algorithm or mechanism to support (Worldwide Interoperability for Microwave Access) WiMAX network presently. This includes both UpLink (UL) and DownLink (DL) directions. Thus, most of researches are focusing this area.

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