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EURASIP Journal on Wireless Communications and Networking

Table 7 Feedback overhead comparison

From: Vector perturbation based adaptive distributed precoding scheme with limited feedback for CoMP systems

Scheme

Feedback information

Feedback bits

MBSFN

One PMI for K BSs

C

WLP

One PMI for each BSs

One phase facor for coordinated BSs

C + (C + 1) × (K - 1)

ADP

One PMI for serving BSs

One adjustment factor for coordinated BSs

C + 2 × (K - 1)

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