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Fair Scheduling in Cellular Systems in the Presence of Noncooperative Mobiles

机译:存在非合作移动台时蜂窝系统中的公平调度

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摘要

We consider the problem of ``fair'' scheduling the resources to one of the many mobile stations by a centrally controlled base station (BS). The BS is the only entity taking decisions in this framework based on truthful information from the mobiles on their radio channel. We study the well-known family of parametric alpha-fair scheduling problems from a game-theoretic perspective in which some of the mobiles may be noncooperative. We first show that if the BS is unaware of the noncooperative behavior from the mobiles, the noncooperative mobiles become successful in snatching the resources from the other cooperative mobiles, resulting in unfair allocations. If the BS is aware of the noncooperative mobiles, a new game arises with BS as an additional player. It can then do better by neglecting the signals from the noncooperative mobiles. The BS, however, becomes successful in eliciting the truthful signals from the mobiles only when it uses additional information (signal statistics). This new policy along with the truthful signals from mobiles forms a Nash equilibrium (NE) that we call a Truth Revealing Equilibrium. Finally, we propose new iterative algorithms to implement fair scheduling policies that robustify the otherwise nonrobust (in presence of noncooperation) alpha-fair scheduling algorithms.
机译:我们考虑一个由中央控制基站(BS)将资源``公平''调度到许多移动站之一的问题。 BS是在此框架中根据来自移动台在其无线电信道上的真实信息做出决定的唯一实体。我们从博弈论的角度研究了著名的参数alpha-公平调度问题系列,其中一些移动设备可能是不合作的。我们首先表明,如果BS不了解来自移动台的非合作行为,则非合作台成功地从其他合作台抢夺资源,从而导致分配不公。如果BS知道不合作的移动设备,则BS作为新的参与者将出现新的游戏。这样,通过忽略非合作移动设备发出的信号,可以做得更好。但是,只有在使用附加信息(信号统计)时,BS才能成功地从移动台发出真实信号。这项新政策与来自手机的真实信号一起形成了纳什均衡(NE),我们称其为“真相揭示均衡”。最后,我们提出了新的迭代算法来实现公平的调度策略,以增强否则不稳健(存在不合作的情况)的α-公平调度算法。

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