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Next generation wireless LANs : 802.11n and 802.11ac /
New edition of the most comprehensive and up-to-date overview of the features of the 802.11n and 802.11ac WLAN standards.
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge, UK :
Cambridge University Press,
2013.
|
| Edición: | Second edition. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Contents; Foreword; Preface to the first edition; Preface to the second edition; Abbreviations; 1 Introduction; 1.1 An overview of IEEE 802.11; 1.1.1 The 802.11 MAC; 1.1.2 The 802.11 PHYs; 1.1.3 The 802.11 network architecture; 1.1.4 Wi-Fi Direct; 1.2 History of high throughput and 802.11n; 1.2.1 The High Throughput Study Group; 1.2.2 Formation of the High Throughput Task Group (TGn); 1.2.3 Call for proposals; 1.2.4 Handheld devices; 1.2.5 Merging of proposals; 1.2.6 802.11n amendment drafts; 1.3 Environments and applications for 802.11n; 1.4 Major features of 802.11n.
- 1.5 History of Very High Throughput and 802.11ac1.6 Outline of chapters; References; Part I Physical layer; 2 Orthogonal frequency division multiplexing; 2.1 Background; 2.2 Comparison to single carrier modulation; References; 3 MIMO/SDM basics; 3.1 SISO (802.11a/g) background; 3.2 MIMO basics; 3.3 SDM basics; 3.4 MIMO environment; 3.5 802.11n and 802.11ac propagation model; 3.5.1 Impulse response; 3.5.2 Antenna correlation; 3.5.2.1 Correlation coefficient; 3.5.3 802.11n Doppler model; 3.5.3.1 Modified Doppler model for channel model F; 3.5.4 802.11ac Doppler model.
- 3.5.5 Physical layer impairments3.5.5.1 Phase noise; 3.5.5.2 Power amplifier non-linearity; 3.5.6 Path loss; 3.6 Linear receiver design; 3.7 Maximum likelihood estimation; References; Appendix 3.1: 802.11n channel models; 4 PHY interoperability with 11a/g legacy OFDM devices; 4.1 11a packet structure review; 4.1.1 Short Training field; 4.1.2 Long Training field; 4.1.3 Signal field; 4.1.4 Data field; 4.1.5 Packet encoding process; 4.1.6 Receive procedure; 4.2 Mixed format high throughput packet structure; 4.2.1 Non-HT portion of the MF preamble; 4.2.1.1 Cyclic shifts.
- 4.2.1.2 Legacy compatibility4.2.1.3 Non-HT Short Training field; 4.2.1.4 Non-HT Long Training field; 4.2.2 HT portion of the MF preamble; 4.2.2.1 High Throughput Signal field; 4.2.2.2 High Throughput Short Training field; 4.2.2.3 High Throughput Long Training field; 4.2.3 Data field; 4.2.3.1 Bit string; 4.2.3.2 Scrambling and encoding; 4.2.3.3 Stream parsing; 4.2.3.4 Interleaving; 4.2.3.5 Modulation mapping; 4.2.3.6 Pilot subcarriers; 4.2.4 HT MF receive procedure; 4.2.4.1 RF front end; 4.2.4.2 Legacy part of the preamble; 4.2.4.3 High Throughput Signal field (HT-SIG).
- 4.2.4.4 High Throughput Training fields and MIMO channel estimation4.2.4.6 Demapping, deinterleaving, decoding, and descrambling; References; Appendix 4.1: 20 MHz basic MCS tables; 5 High throughput; 5.1 40 MHz channel; 5.1.1 40 MHz subcarrier design and spectral mask; 5.1.2 40 MHz channel design; 5.1.3 40 MHz mixed format preamble; 5.1.4 40 MHz data encoding; 5.1.4.1 Bit string with two encoders; 5.1.4.2 Scrambling, encoder parsing, and encoding with two encoders; 5.1.4.3 Stream parsing with two encoders; 5.1.4.4 Interleaver design for 40 MHz; 5.1.5 MCS 32: high throughput duplicate format.