内容

目次

I: Markets and Applications.- 1 The Cordless Market.- 1.1 The cordless telephone and the cellular radio.- 1.2 The global emergence of cordless.- 1.3 Market positioning.- 1.4 Market segments and requirements.- 1.5 Application segments.- 1.6 Interdependence and evolution.- 1.7 Summary.- 2 The Wireless Private Automatic Branch Exchange.- 2.1 The market in the mid-1990s.- 2.2 Users, applications and benefits.- 2.3 Barriers to market development.- 2.4 Addressing the market potential.- 2.5 Case studies.- 2.6 Summary.- 3 Telepoint in Europe.- 3.1 UK — Rabbit and its competitors.- 3.2 France — Bi-Bop et al.- 3.3 The Netherlands — Greenpoint.- 3.4 Belgium — CITEL.- 3.5 Elsewhere in Europe.- 3.6 Summary.- 4 Telepoint in Asia.- 4.1 Cordless evolution and revolution — Europe versus Asia.- 4.2 The Asian marketplace.- 4.3 Hong Kong — the pioneer.- 4.4 Summary.- 5 Cordless in the Local Loop.- 5.1 Why wireless local loop?.- 5.2 Approaches to radio access.- 5.3 Cordless technologies for the local loop.- 5.4 Cordless local loop trials.- 5.5 Economics.- 5.6 Summary.- 6 Cordless Terminal Mobility.- 6.1 The CTM concept.- 6.2 The CTM service.- 6.3 The CTM market.- 6.4 Enabling technologies.- 6.5 The CTM functional architecture.- 6.6 The role of CTM in the evolution to future mobile telecommunications systems.- 6.7 Summary.- II: Standardisation and Industry Development.- 7 Cordless Standards in Europe.- 7.1 European telecommunications standards.- 7.2 Standards — what are they?.- 7.3 Standards — why do we need them?.- 7.4 Analogue standards.- 7.5 Digital standards.- 7.6 Summary.- 8 UPCS Standards in the USA.- 8.1 Who defines standards?.- 8.2 The advent of UPCS.- 8.3 Part 15 Subpart D (Etiquette) rules.- 8.4 Technology proposals.- 8.5 Other cordless technologies.- 8.6 Summary.- 9 Standards Development in Japan.- 9.1 Concept and origins of PHS.- 9.2 Standards development.- 9.3 PHS products.- 9.4 Commercial frameworks.- 9.5 Summary.- 10 Industry Development and Products.- 10.1 CT2.- 10.2 DECT.- 10.3 PHS.- 10.4 Global competition.- 10.5 Summary.- III: Technology.- 11 Audio Techniques.- 11.1 Speech coding.- 11.2 Voice transmission plan.- 11.3 Delay and echo control.- 11.4 Voice security and speech encryption.- 11.5 Summary.- 12 The Radio Channel.- 12.1 Choice of operating frequency.- 12.2 Spectrum requirements.- 12.3 In-building radio coverage.- 12.4 The dispersive channel.- 12.5 System capacity and grade of service.- 12.6 Usage of the radio channel.- 12.7 Modulation schemes.- 12.8 Error correction and detection.- 12.9 Protocol layers.- 12.10 Summary.- 13 Cordless Access Networks.- 13.1 Types of cordless networks.- 13.2 Network functionality.- 13.3 Summary.- 14 Cordless Data and Multimedia.- 14.1 Benefits of cordless data.- 14.2 Data services and attributes.- 14.3 Applications.- 14.4 Architectures.- 14.5 Transmission media.- 14.6 Cordless LAN standards.- 14.7 DECT cordless LAN technology.- 14.8 Cordless multimedia.- 14.9 Summary.- 15 Handset Architectures and Implementation.- 15.1 System architecture.- 15.2 Baseband design.- 15.3 Radio receiver architecture and design.- 15.4 Radio transmitter architecture and design.- 15.5 Antenna diversity.- 15.6 Analogue cordless implementation.- 15.7 Digital cordless implementation.- 15.8 Future trends.- 15.9 Summary.- 16 Future Evolution of Cordless Systems.- 16.1 Drivers and enablers.- 16.2 Digital cordless in public networks.- 16.3 Near-term evolution.- 16.4 Summary.- IV: Technical Standards.- 17 CT2 Common Air Interface.- 17.1 Aims and origins.- 17.2 Structure of the standard.- 17.3 The radio interface.- 17.4 Signalling layer 1.- 17.5 Signalling layer 2.- 17.6 Signalling layer 3.- 17.7 Speech coding and transmission plan.- 17.8 Data services.- 18 The Personal Communications Interface, PCI.- 18.1 Aims and origins.- 18.2 Structure of the standard.- 18.3 Principal changes from CT2.- 18.4 The radio interface.- 18.5 Signalling layer 1.- 18.6 Signalling layer 2.- 18.7 Signalling layer 3.- 18.8 Speech coding and telephony.- 19 The DECT Specifications.- 19.1 The DECT services.- 19.2 Structure of the specification documents.- 19.3 The system specifications.- 19.4 Other standards.- 19.5 Access profile specifications.- 19.6 Type approval specifications.- 19.7 Reports.- 20 The DECT Access Profiles.- 20.1 The DECT profiles — overview.- 20.2 DECT goes public — PAP and GAP.- 20.3 Wireless ISDN — the DECT/ISDN interworking profile.- 20.4 Data interworking profile.- 20.5 DECT/GSM interworking profile.- 20.6 Profile type approval.- 20.7 Profile standardisation status.- 20.8 Further profiles?.- 21 Personal Wireless Telecommunications, PWT.- 21.1 Aims and origins.- 21.2 Structure of the standard.- 21.3 Basic parameters and rationale.- 21.4 Principal changes from DECT.- 22 The PACS-UB Standard.- 22.1 Objectives and document organisation.- 22.2 Definitions.- 22.3 Overview of the PACS-UB concept.- 22.4 Radio parameters.- 22.5 Layer 1 interface specification.- 22.6 Layer 2 interface specification.- 22.7 Layer 3 interface specification.- 22.8 Speech service option.- 22.9 Messaging service option.- 22.10 Circuit mode data service option.- 22.11 Interleaved speech/data option.- 22.12 In-service testing option.- 23 The PHS Standard.- 23.1 System overview.- 23.2 Radio aspects.- 23.3 Radio channel structures.- 23.4 Radio circuit control.- 23.5 Network interfaces.- 24 The PACS-UA Standard.- 24.1 System characteristics and structure.- 24.2 Main differences from PHS.- 25 The Orthogonal CDMA Wireless Telephone System.- 25.1 System overview.- 25.2 Physical layer description.- 25.3 Media access control (MAC) and higher layers.- 26 The Composite CDMA/TDMA Standard, CCT.- 26.1 Design objectives.- 26.2 Standardisation (IS-661).- 26.3 Applications flexibility.- 26.4 Services, features and functions supported.- 26.5 Technology overview.- 26.6 Layer 1 air interface specification.- 26.7 Layer 2 air interface specification.- 26.8 Layer 3 air interface specification.- 26.9 Network options.- Glossary of Acronyms.- Contributors’ Biographies.