Understanding Weightless : Technology, Equipment, and Network Deployment for M2M Communications in White Space.

Essential for getting to grips with Weightless, this definitive guide describes and explains the new standard in an accessible manner.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Webb, William
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Cambridge : Cambridge University Press, 2012.
Temas:
Machine-to-machine communications > Standards.
Communication entre machines > Normes.
Acceso en línea:Texto completo

MARC

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049 |a UAMI 
100 1 |a Webb, William. 
245 1 0 |a Understanding Weightless :  |b Technology, Equipment, and Network Deployment for M2M Communications in White Space. 
260 |a Cambridge :  |b Cambridge University Press,  |c 2012. 
300 |a 1 online resource (222 pages) 
336 |a text  |b txt  |2 rdacontent 
337 |a computer  |b c  |2 rdamedia 
338 |a online resource  |b cr  |2 rdacarrier 
505 0 |a Cover; Understanding Weightless; Title; Copyright; Contents; Preface; Acknowledgements; About the author; 1: The world of machine communications; 1.1 What defines a machine?; 1.2 Range: short or long?; 1.3 Possible applications; 1.4 Key requirements; 1.5 Market size; 1.6 How machine communications could change our world; 2: The need for a new standard; 2.1 Machine communications does not yet have the necessary standard; 2.2 Barriers to delivering a machine communications network; 2.3 White space as a key enabler; 2.4 Design rules for a machine communication solution. 
505 8 |a 2.5 The Weightless Special Interest Group2.6 Summary; 3: Working in white space spectrum; 3.1 Defining white space; 3.2 Determining where the white space is; 3.3 The 'greyness' of white space; 3.4 Design rules for white space; 3.5 The US regulation; 3.6 The UK regulation; 3.7 Other countries; 3.8 Determining how much white space there is; 3.9 Regulation in other countries; 3.10 Other spectrum; 3.11 Conclusions; References; 4: Weightless in overview; 4.1 The key requirements; 4.2 Immediate design implications; 4.3 Subsequent design thinking; 4.4 System overview; 5: The network. 
505 8 |a 5.1 Introduction5.2 Functional elements; 5.2.1 Billing system; 5.2.2 Authentication and encryption; 5.2.3 Location register; 5.2.4 Broadcast register; 5.2.5 Base station controller; 5.3 Frequency assignment; 5.4 Code assignment; 5.5 Scheduling; 5.5.1 Traffic prioritisation; 5.5.2 Normalising power levels; 5.5.3 Avoiding antenna nulls; 5.5.4 Minimising interference; 5.5.5 Overall; 5.6 Calibration mode; 5.7 Load balancing; 5.7.1 Load imbalance; 5.7.2 New cell; 5.8 The network to base station interface; 5.9 Summary; 6: The MAC layer; 6.1 Overview; 6.2 Scheduled and contended access. 
505 8 |a 6.3 The frame concept6.3.1 Introduction; 6.3.2 The FCH; 6.3.3 The RS_MAP; 6.3.4 The DL_ALLOC and UL_ALLOC; 6.4 Acknowledgement; 6.5 Mapping data to resource allocations; 6.6 Terminal and group identities; 6.7 The contended access process; 6.7.1 Introduction; Length of CA slot; 6.7.2 Contended access: initial message flow; 6.7.3 Contended access for attach; 6.7.4 Contended access for resource; 6.8 Control messages; 6.9 Broadcast messages; 7: The physical layer; 7.1 Introduction; 7.2 Overview of the PHY layer; 7.3 Forward error correction (FEC)encoding; 7.4 Whitening; 7.5 Modulation. 
505 8 |a 7.6 Spreading7.7 Cyclic prefix insertion; 7.8 Synchronisation (sync)insertion; 7.9 Root raised cosine (RRC)pulse shaping; 7.10 Frequency hopping; 7.11 Downlink, uplink and TDD; 7.11.1 High data rate downlink; 7.11.2 Low data rate downlink; 7.11.3 Narrowband uplink; 7.11.4 Wideband uplink; 7.12 RF performance; 7.13 Antenna issues; 7.14 The attach process as an example; 7.14.1 Introduction; 7.14.2 Channel discovery; 7.14.3 Decode the FCH; 7.14.4 Send a contended access message to attach; 7.14.5 Undertake authentication; 7.14.6 Agree a schedule for the next transmitted message; Reference. 
500 |a 8: Further functionality. 
520 |a Essential for getting to grips with Weightless, this definitive guide describes and explains the new standard in an accessible manner. 
588 0 |a Print version record. 
590 |a ProQuest Ebook Central  |b Ebook Central Academic Complete 
650 0 |a Machine-to-machine communications  |x Standards. 
650 6 |a Communication entre machines  |x Normes. 
758 |i has work:  |a Understanding Weightless (Text)  |1 https://id.oclc.org/worldcat/entity/E39PCFWbcxjR6ChyQ8fP9XFtKd  |4 https://id.oclc.org/worldcat/ontology/hasWork 
776 0 8 |i Print version:  |a Webb, William.  |t Understanding Weightless : Technology, Equipment, and Network Deployment for M2M Communications in White Space.  |d Cambridge : Cambridge University Press, ©2012  |z 9781107027077 
856 4 0 |u https://ebookcentral.uam.elogim.com/lib/uam-ebooks/detail.action?docID=880772  |z Texto completo 
938 |a EBL - Ebook Library  |b EBLB  |n EBL880772 
994 |a 92  |b IZTAP 

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