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Table 4 Various precoding configurations

From: Partial joint processing with efficient backhauling using particle swarm optimization

Nos.

Precoder

Feedback

Backhaul

Power constraint

1

PSO:FFB + FBH + PwrAdj

Full

Full

Every iteration

2

PSO:FFB + FBH + NoPwrAdj

Full

Full

After convergence

3

PSO:LFB + LBH + PwrAdj

Limited

Limited

Every iteration

4

PSO:FFB + LBH + PwrAdj

Full

Limited

Every iteration

5

PSO:FFB + LBH + NoPwrAdj

Full

Limited

After convergence

6

ZF:LFB + LBH

Limited

Limited

After ZF

7

ZF:FFB + LBH

Full

Limited

After ZF

8

ZF:FFB + FBH

Full

Full

After ZF

  1. LFB and LBH refer to an active set threshold of 10 dB while FFB and FBH refer to an active set threshold of ∞.