Abstract
With the increasing availability of Internet type services on mobile devices and the attractive flat rate all-you-can-eat billing system, cellular telecommunication networks are experiencing a tremendous growth in data usage demand. However, there are increasing concerns that current network deployment trends (including more efficient radio access techniques and increased spectrum allocation strategies), will be unable to support the increased Internet traffic in a sustainable way. The delay tolerant nature of mobile Internet traffic allows for a large degree of flexibility in optimizing network performance to meet different design objectives and it’s a feature that has mostly gone unexplored by the research community. In this paper, we introduce a novel message forwarding mechanism in cellular networks that benefits from the inherent delay tolerance of Internet type services to provide flexible and adjustable forwarding strategies for efficient network operation while guaranteeing timely deliveries. By capitalizing on the elasticity of message delivery deadlines and the actual mobility of nodes inside the cell, considerable performance gains can be achieved by physically propagating information messages within the network.
Highlights
Mobile network operators are currently experiencing an unprecedented increase in data traffic demand
We argued that when delaying message deliveries does not affect the perceivable user experience, forwarding paths that employ the store-carry and forward relaying scheme can be realized with great potential for improving system performance in cellular networks
In this paper we introduce a novel message forwarding scheme for cellular networks based on the store-carry and forward paradigm
Summary
Mobile network operators are currently experiencing an unprecedented increase in data traffic demand. Here we assume that mobile relay nodes which can postpone the forwarding of received messages in order to reach favorable transmit positions. In this way, the store-carry and forward (SCF) relaying paradigm can be realized within the cell. Delay is deliberately expended by mobile nodes while physically propagating information to reach a favorable transmit position In this way, informed routing decisions are made to satisfy different operating requirements. We show how the proposed SCF relaying scheme can be an effective mechanism for message forwarding in cellular networks.
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