802 11® Wireless Networks: The Definitive Guide phần 1 pot

... Section 12 .1. Nokia C 110 /C 111 Section 12 .2. Lucent ORiNOCO Chapter 13 . Using 802. 11 on Linux Section 13 .1. A Few Words on 802. 11 Hardware Section 13 .2. PCMCIA ... Section 11 .2. OFDM as Applied by 802. 11 a Section 11 .3. OFDM PLCP Section 11 .4. OFDM PMD Section 11 .5. Characteristics of the OFDM PHY Cha...

Ngày tải lên: 14/08/2014, 13:20

... multiple 802. 11 networks are configured in a single area, orthogonal hopping sequences maximizes throughput. Figure 10 -3. Orthogonal hopping sequences 10 .1. 1 .1 802. 11 FH details 802. 11 divides ... physical layer for the 2.4-GHz ISM band that promises speeds of up to 54 Mbps. 10 .1 802. 11 FH PHY Of all the physical layers standardized in the first draft of 80...

Ngày tải lên: 14/08/2014, 13:20

... Authentication 11 00 Deauthentication Control frames (type= 01) [b] 10 10 Power Save (PS)-Poll 10 11 RTS 11 00 CTS 11 01 Acknowledgment (ACK) 11 10 Contention-Free (CF)-End 11 11 CF-End+CF-Ack ... 0 010 Reassociation request 0 011 Reassociation response 010 0 Probe request 010 1 Probe response 10 00 Beacon 10 01 Announcement traffic indication message (ATIM) 10 10 Dis...

Ngày tải lên: 14/08/2014, 13:20

... parts of 802. 11 is shown in Figure 7 -1. Figure 7 -1. Relationship between management entities and components of the 802. 11 specification 802. 11 does not formally specify the SME. It is the method ... frames is reported to the 802. 1x state engine as the link layer becoming active. 802. 11 association must complete before the 802. 1x negotiation begins because t...

Ngày tải lên: 14/08/2014, 13:20

... order) 6 11 01 9 11 11 12 010 1 18 011 1 24 10 01 36 10 11 48 00 01 10 .3 802. 11 b: HR/DSSS PHY When the initial version of 802. 11 was ratified in 19 97, the real work was only just beginning. The ... channels. 10 .2 .1. 2 Encoding in 802. 11 direct-sequence networks 802. 11 uses the Barker sequence { +1, -1, +1, +1, -1, +1, +1, +1, -1, -1, -1} . As used...

Ngày tải lên: 14/08/2014, 13:20

... consider the definition of the Linksys WPC 11 card: card "Linksys WPC 11 11Mbps 802. 11 b WLAN Card" version "Instant Wireless ", " Network PC CARD", "Version 01. 02" ... and explain the non-Ethernet driver features in some detail. I selected two 802. 11 cards as examples: the Nokia C 110 /C 111 and the Lucent ORiNOCO. While not pa...

Ngày tải lên: 14/08/2014, 13:20

... incorporate changes made by 802. 11 a, 802. 11 b, and 802. 11 d, as well as changes made by TGc into the main 802. 11 specification. (Think "m" for maintenance.) TGn (future 802. 11 n) Task group founded ... phones operate in the ISM bands as well. 802. 11 b and 802. 11 g devices operate within the 2.4 GHz ISM band, while 802. 11 a devices operate in the 5 GH...

Ngày tải lên: 05/05/2014, 12:46

... CF-Ack (no data transmitted) 011 0 CF-Poll (no data transmitted) 011 1 Data+CF-Ack+CF-Poll (Frame type 11 is reserved) [a] Management subtypes 011 0- 011 1 and 11 01- 111 1 are reserved and not currently ... Section 12 .1. Nokia C 110 /C 111 Section 12 .2. Lucent ORiNOCO Chapter 13 . Using 802. 11 on Linux Section 13 .1. A Few Words on 802. 11 Har...

Ngày tải lên: 04/07/2014, 08:47

... request 00 01 Association response 0 010 Reassociation request 0 011 Reassociation response 010 0 Probe request 010 1 Probe response 10 00 Beacon 1 802. 11 ® Wireless Networks: The Definitive Guide ... Tunable Parameters 18 . The Future, at Least for 802. 11 …………………… page 307 Current Standards Work The Longer Term The End A. 802. 11 MIB …………………… p...

Ngày tải lên: 25/03/2014, 10:39

... Chapter 1. Ant Jumpstart 10 1. 1 Files and Directories 10 1. 2 The Ant Buildfile 11 1. 3 Running Ant 13 1. 4 Ant Command-Line Reference 15 1. 5 Buildfile Outline 17 1. 6 Learning More 17 Chapter ... XmlLogger 11 3 6.4 The Parallel Problem 11 5 Chapter 7. Core Tasks 11 7 7 .1 Task Summary 11 7 7.2 Common Types and Attributes 11 9 7.3 Project and Target 12 1 7.4...

Ngày tải lên: 13/08/2014, 21:21