语言：英文。 作者：Professor Ian F. Akyildiz Georgia Institute of Technology, USA Dr Xudong Wang TeraNovi Technologies, Inc, USA 目录： 1 Introduction 1 1.1 Network Architecture 1.2 Characteristics 1.3 Application Scenarios 1.4 Critical Design Factors 2 Physical Layer 17 2.1 Adaptive Coding/Modulation and Link Adaptation 2.2 Directional Antennas and Multi-Antenna Systems 2.2.1 Directional Antenna 2.2.2 Antenna Diversity and Smart Antenna 2.3 Cooperative Div ersity and Cooperative Communications 2.4 Multichannel Systems 2.5 Advanced Radio Technologies 2.5.1 Frequency Agile Radios and Cognitive Radios 2.5.2 Reconfigurable Radios and Software Radios 2.6 Integrating Different Advanced Techniques: IEEE 802.11n 2.6.1 Protocol Reference Model of the Physical Layer 2.6.2 PLCP Sublayer 2.6.3 PMD Sublayer 2.6.4 PLME Sublayer 2.7 Open Research Issues 3 Medium Access Control Layer 3.1 Single-Channel Single-Radio MAC Protocols 3.1.1 CSMA/CA Improvements 3.1.2 IEEE 802.11e 3.1.3 WMN MAC Based on IEEE 802.11s 3.1.4 TDMA Over CSMA/CA 3.1.5 IEEE 802.16 MAC in Mesh Mode 3.1.6 MAC for Ultra-Wideband (UWB) WMNs 3.1.7 CDMA MAC ...................... ............. .... ersity and Cooperative Communications 2.4 Multichannel Systems 2.5 Advanced Radio Technologies 2.5.1 Frequency Agile Radios and Cognitive Radios 2.5.2 Reconfigurable Radios and Software Radios 2.6 Integrating Different Advanced Techniques: IEEE 802.11n 2.6.1 Protocol Reference Model of the Physical Layer 2.6.2 PLCP Sublayer 2.6.3 PMD Sublayer 2.6.4 PLME Sublayer 2.7 Open Research Issues 3 Medium Access Control Layer 3.1 Single-Channel Single-Radio MAC Protocols 3.1.1 CSMA/CA Improvements 3.1.2 IEEE 802.11e 3.1.3 WMN MAC Based on IEEE 802.11s 3.1.4 TDMA Over CSMA/CA 3.1.5 IEEE 802.16 MAC in Mesh Mode 3.1.6 MAC for Ultra-Wideband (UWB) WMNs 3.1.7 CDMA MAC ...................... ............. ....