RECOMMENDATION ITU-R M.1450 - CHARACTERISTICS OF BROADBAND RADIO LOCAL AREA NETWORKS ANNEX 1 - General guidance for broadband RLAN system design 1 Introduction 1.1 Characteristics of broadband RLANs 1.2 Mobility 1.3 Operational environment and considerations of interface 1.4 System architecture ANNEX 2 - Preferred modulation techniques in broadband RLANs 1 Introduction 2 Physical layer to realize high bit rate and stable wireless networks 3 Single carrier with equalizer 4 Multicarrier OFDM 5 Comparison between OFDM and equalizer schemes 6 Configuration of OFDM system 7 Computer simulation 8 Conclusion ANNEX 3 - Remote access techniques in RLANs 1 Introduction 2 Remote access techniques 2.1 Dial-up connection 2.2 Dynamic Host Configuration Protocol (DHCP) 2.3 Mobile IP 2.4 VLAN 2.5 Mobile VLAN 3 Evaluation APPENDIX 1 TO ANNEX 3 - Outline of mobile VLAN system 1 System composition 2 Major techniques of mobile VLAN 2.1 Terminal authentication, location registration, connection 2.2 Encapsulation/de-encapsulation 2.3 Recognition of terminal disconnection