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Game theoretic approach for bandwidth sharing in future generation networks
Computing ( IF 3.7 ) Pub Date : 2021-01-01 , DOI: 10.1007/s00607-020-00872-z
Judhajit Sanyal , Tuhina Samanta , Mainak Chatterjee

With the advent of 4G LTE networks, the demand for bandwidth has rapidly increased among users of mobile devices, especially handheld smartphones. Consequently, the 4G data plans offered by mobile network operators have become expensive in many countries around the world. Moreover, due to the discrete tiers of the data plans, users often experience shortage or surplus. In order to facilitate sharing of bandwidth among users, we propose a game theoretic framework where users share bandwidth with each other. The sharing mechanism is based on the distribution of surplus bandwidth of some users to overcome the shortage of others. All users sometimes serve as providers (i.e., offering bandwidth to others) and sometimes as receivers (i.e., receiving bandwidth from the providers), thus constituting a user-provided network (UPN). The sharing game is designed in such a way that those receiving bandwidth are obligated to offer the same to others at a later point of time. Unused bandwidth of a user is shared to other users who require bandwidth at that instance, who must return the bandwidth that they use to the provider of the bandwidth at a later time based on requirement, by a coordination-based model of user interaction in the UPN that consists of these entities. Further, we have developed a coordination-based game model to better simulate user interaction in this context. In order to validate the proposed framework, we conducted simulations experiments as well as conducted experiments with handheld devices where bandwidth from a 4G LTE commercial network provider was shared among the devices. Results reveal that a Nash Equilibrium is reached for the overall set of interactions between users sharing and receiving bandwidth, provided that a Nash Equilibrium is reached in the interactions between each pair of users.

中文翻译:

下一代网络带宽共享的博弈论方法

随着4G LTE网络的到来,移动设备用户尤其是手持智能手机用户对带宽的需求迅速增加。因此,移动网络运营商提供的 4G 数据计划在全球许多国家变得昂贵。此外,由于数据计划的层级不连续,用户经常会遇到短缺或过剩的情况。为了促进用户之间的带宽共享,我们提出了一个博弈论框架,其中用户之间共享带宽。共享机制是基于分配一些用户的剩余带宽来克服其他用户的不足。所有用户有时充当提供者(即向他人提供带宽),有时充当接收者(即从提供者接收带宽),从而构成用户提供网络(UPN)。共享游戏的设计方式是,那些接收带宽的人有义务在以后的时间点向其他人提供相同的内容。用户未使用的带宽被共享给在该实例中需要带宽的其他用户,这些用户必须在稍后根据需要通过基于协调的用户交互模型将他们使用的带宽返还给带宽提供者由这些实体组成的 UPN。此外,我们开发了一个基于协调的游戏模型,以更好地模拟这种情况下的用户交互。为了验证所提出的框架,我们进行了模拟实验以及手持设备的实验,其中 4G LTE 商业网络提供商的带宽在设备之间共享。
更新日期:2021-01-01
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