
CHAPTER 6
Power Efficiency of
Cooperative
Transmission
Bongjun Ko, IBM T. J. Watson Research Center, USA
Zhengguo Sheng, University of British Columbia, Canada
6.1 INTRODUCTION
In cooperative communication, the term cooperation refers to a node’s will-
ingness to sacrifice its own resources (e.g., energy, transmission opportunity)
for the benefit of other nodes. It is thus of fundamental importance to under-
stand how much of one’s resources must be consumed to reap the benefits of
the c ooperative communication. Putting it in another way, does cooperative
communication require more (or fewer) overall resources than conventional,
non-cooperative communication ...