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Tremendous efforts have been conferred towards the congestion control concern in mobile wireless networks while dealing with maximizing both throughput and fair bandwidth allocation. Unfortunately, this is made limited by the variable and unpredictable behaviour of such networks. In this paper we propose a new congestion control mechanism for multimedia traffic in mobile wireless networks. Our proposed...
The UDP transport protocol has been fore selected for the most of multimedia traffic transport on mobile wireless networks. Nevertheless, it exhibits some problems related to bandwidth sharing between several traffic sources, as well as TCP friendliness with established TCP connections on the network. In this paper, we propose a combined mechanism, the PRDR: proportional and derivative algorithm for...
On-demand broadcast is an efficient wireless data dissemination method for mobile services.As the rapid growth of the mobile application,there is an increasing need for system to support large data dissemination.This paper investigates wireless on-demand broadcast algorithms.We propose a new scheduling algorithm called FMT(Fluent Media Transfer) which takes the flux of program,the program size,request...
The current existing multimedia services have been achieved mainly by fixed internet networks. The 4th Generation (4G) wireless mobile multimedia internet networks integrate with IPv6, LAS-CDMA, OFDM, MC-CDMA, UWB, Networks-LMDS and fixed internet networks to support mobile multimedia services as the same quality of service as fixed internet, which is an evolution not only to move beyond the limitations...
This paper proposes a predictive controller based on adaptive resource management techniques for multi-service wireless cellular networks to keep the handoff failure rate (HFR) below a target value regardless of the traffic dynamics and bandwidth requirements of the service types. In this paper, we propose a neural nod feedback algorithm to control the reserved resource. Simulations results indicate...
The usage of multimedia applications such as IP-TV and Video On Demand over wireless networks becomes more and more popular. In many cases the bandwidth of the wireless channel is the system bottleneck and thus it is important to increase the ability of wireless networks to provide a scalable service for multiple users simultaneously. The main idea proposed in this paper is based on a dynamic bandwidth...
Advent of Beyond 3G or 4G wireless communication network envisions broadband wireless data access and there by rich multimedia services experience to the mass market. This wireless evolution to 4G network has the potential to reduce end to end latency and round trip delay, by consolidating and ldquoflatteningrdquo the wireless core network. This network evolution is germane to IMS architecture to...
This paper explores the attributes, layering models and objective functions in cross layer designs for mobile ad hoc wireless networks by taking all the statistical characteristics and constraints from the physical (PHY) layer, media access control (MAC) layer and network (NET) layer into consideration. This paper reviews the entire network optimization across all the PHY/MAC/NET layers. At the PHY...
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