Exact(31)
Here, the transmission wasted the cooperation gain.
Therefore, this protocol cannot achieve optimal cooperation gain.
In this paper, we aim at achieving such cooperation gain.
where ξ is a threshold representing the desired relative cooperation gain for the RRH user.
We propose to determine these two parameters based on the measure of relative cooperation gain.
A new steepest slope method based on relative cooperation gain is proposed to realize efficient area classification.
Similar(28)
In this framework, cooperation gains are proportional to market size but transaction costs are not.
We are currently investigating methods that can further reduce the feedback load, without significantly reducing the cooperation gains.
The numerical results reveal that for small distance separation between the source and destination, direct transmission is more energy efficient than cooperation and, above the threshold distance, cooperation gains can be achieved.
That is, even under the assumption of centralized coordination and ideal CSI in form of instantaneous channel coefficients, the cooperation gains are limited due to the residual interference from BSs outside of the cooperation area, the signaling overheads, and the finite nature of the time/frequency/space resources.
Then, the relative cooperation gains (RCG) of the macrocell user and the RRH cell user are defined respectively as G c m = R IC m - R WIC m R WIC m, (3) G c r = R IC r - R WIC r R WIC r. (4).
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