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Promoting Relay-Assisted Device-to-Device Communication in Cellular Networks By Reward Mechanisms

机译:通过奖励机制促进蜂窝网络中的继电器辅助设备到设备通信

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摘要

Relay assisted Device-to-Device (D2D) communication further improves the efficient utilization of resources of cellular networks by relaying traffic between two User Equipment (UEs) which are not in D2D communication range. While the traffic of Base Station (BS) is offloaded leveraging direct communication between UEs, it is envisioned that the adoption of D2D communication may not be materialized without incentive to users since they have already subscribed monthly data plan. In this paper, we first find the achievable data rate both in relay assisted D2D link and cellular link. We then calculate the utility of BS, relay UE and content/traffic destination UE based on the achievable data rate. When the utility of a UE is positive, it takes part in relay assisted D2D communication without reward, otherwise it asks reward from the BS. We simulated our proposal under various scenarios and found that many UEs have positive utility in relay assisted D2D link. This incentivizes UEs to take part in relay assisted D2D communication without reward even if they have already subscribed data plan.
机译:继电器辅助设备到设备(D2D)通信通过中继在D2D通信范围内的两个用户设备(UE)之间的流量,进一步提高了蜂窝网络资源的有效利用。虽然基站(BS)的流量被卸载利用UE之间的直接通信,但是设想采用D2D通信的采用,而不会对用户提供激励,因为它们已经订阅了每月数据计划。在本文中,我们首先在继电器辅助D2D链路和蜂窝链路中找到可实现的数据速率。然后,我们基于可实现的数据速率计算BS,中继UE和内容/交通目的地UE的实用性。当UE的效用为正数时,它可以参与继电器辅助D2D通信而无需奖励,否则它会要求BS奖励。我们在各种情况下模拟了我们的提议,发现许多UE在继电器辅助D2D链路中具有正效用。即使他们已经订阅了数据计划,这会激励UE在没有奖励的情况下参加中继辅助D2D通信。

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