chapter 9
Cloud-RAN-Based Small Cell Networks
with Wireless Virtualization
Heli Zhang, Weidong Wang, Xi Li, and Hong Ji
CONTENTS
9.1 Introduction .................................................... 303
9.2 System Model ................................................... 306
9.2.1 Network Model ......................................... 306
9.2.2 Physical Link Model ................................... 307
9.2.3 Utility Definition ....................................... 308
9.2.3.1 Network Latency ............................ 308
9.2.3.2 Access Price .................................. 309
9.2.4 Optimization Problem ................................. 309
9.3 The Three-Phase Search Algorithm .......................... 310
9.3.1 Problem Analysis ...................................... ...