O''''Reilly-802.11 Wireless Networks - The Definitive Guide

... Applied by 802 .11 a Section 11 .3 OFDM PLCP Section 11 .4 OFDM PMD Section 11 .5 Characteristics of the OFDM PHY Chapter 12 Using 802 .11 on Windows Section 12 .1 Nokia C 110 /C 111 Section 12 .2 Lucent ORiNOCO ... 10 .1 802 .11 FH PHY Section 10 .2 802 .11 DS PHY Section 10 .3 802 .11 b: HR/DSSS PHY Chapter 11 802 .11 a: 5-GHz OFDM PHY Section 11 .1 Orthogonal Frequency Divi...

Ngày tải lên: 14/08/2014, 13:20

... first, which is the reverse of the order used in Figure 3-10 Therefore, the frame type is the third bit in the frame control field followed by the second bit (b3 b2), and the subtype is the seventh ... check the integrity of received frames All fields in the MAC header and the body of the frame are included in the FCS Although 8 02. 3 and 8 02. 11 use the same meth...

Ngày tải lên: 14/08/2014, 13:20

... equal to the length of the frame body plus the IV The keystream is then XORed with the frame body and the IV to cipher it To enable the receiver to decrypt the frame, the IV is placed in the header ... "Weaknesses in the Key Scheduling Algorithm of RC4." At the end of the paper, the authors describe a theoretical attack on WEP At the heart of the attack is a we...

Ngày tải lên: 14/08/2014, 13:20

... (2 .40 2-2 .47 9 GHz) Europe (excluding France and Spain) (ETSI) to 79 (2 .40 2-2 .47 9 GHz) France 48 to 82 (2 .44 8-2 .48 2 GHz) Spain 47 to 73 (2 .44 7-2 .47 3 GHz) Japan (MKK) 73 to 95 (2 .47 3-2 .49 5 GHz) The ... by the access point to all the stations associated with its BSS, so the second address field is the BSSID In infrastructure networks, the BSSID is the address o...

Ngày tải lên: 14/08/2014, 13:20

... 5. 180 U-NII lower band 40 mW 40 5. 200 (5. 15- 5. 25 GHz) (2 .5 mW/MHz) 44 5. 220 48 52 5. 240 5. 260 U-NII mid-band 200 mW 56 5. 280 (5. 25- 5. 35 GHz) (12 .5 mW/MHz) 60 5. 300 64 5. 320 Table 11-1 United States ... 149 5. 7 45 Band U-NII upper band 800 mW 5. 7 65 157 5. 7 85 161 (5. 7 25- 5.8 25 GHz) (50 mW/MHz) 153 5. 8 05 [a] The allowed power is the maximum ou...

Ngày tải lên: 14/08/2014, 13:20

... does At the top of the dialog box there are fields for selecting the SSID (network name) and the key number to which the key applies The bottom part of the screen shows the key length and the key ... Figure 12- 26 Profile creation Next, identify the network As with other products, the network name is the SSID of the network You can either type it into the network...

Ngày tải lên: 14/08/2014, 13:20

... D lists legacy IEEE 802.11 WLAN references Appendix E lists legacy IEEE 802.11 WLAN online resources 1-2 GUIDE TO SECURING LEGACY IEEE 802.11 WIRELESS NETWORKS Overview of IEEE 802.11 Wireless ... including IEEE 802.11r, IEEE 802.11k, and IEEE 802.11y A-5 Availability The standard is under development and is expected to be completed and ratified in 20...

Ngày tải lên: 14/02/2014, 08:20