IP-Based Next-Generation Wireless Networks phần 4 pps
IP-Based Next-Generation Wireless Networks phần 4 pps
... descriptions: v¼0 o¼jcchen 2890 844 526 2890 842 807 IN IP4 140 .1 14. 79.59 s¼Wiley Book i¼Discussion on book writing c¼IN IP4 2 24. 2.17.12/127 t¼287339 749 6 287 340 4696 m¼audio 49 170 RTP/AVP 0 m¼video 51372 ... this: v¼0 o¼Tao 2890 844 730 2890 844 730 IN IP4 tao-pc.research.telcordia.com s¼ c¼IN IP4 tao-pc.research.telcordia.com t¼00 m¼audio 49 920 RTP/AVP 0 m¼video 0 RTP/AVP 31 m¼ap...
Ngày tải lên: 13/08/2014, 22:20
Installing, Troubleshooting, and Repairing Wireless Networks phần 1 ppsx
... Essentials 7 Installing, Troubleshooting, and Repairing Wireless Networks Chapter 14 Neighborhood and Community Wireless Networks 253 Sharing Your SOHO WLAN 2 54 Open Community Wireless Networks 258 Wireless ISPs 263 Portal ... Amplifiers 140 Radiating Cable 142 Passive Repeaters 143 Multiple Access Point Networks 145 Avoiding Channel Overlap and Other Networks 146 Su...
Ngày tải lên: 10/08/2014, 12:21
Installing, Troubleshooting, and Repairing Wireless Networks phần 2 ppsx
... networking. Wireless Network Criteria and Expectations 31 used by 802.11b wireless devices—effectively 240 0 MHz—1 /4 wave- length ϭ 1.17 inches, making for a very short antenna! A 1 /4 wavelength ... consider the cost of implementing your wireless system—pitting one vendor against the other and the cost of wireless versus wired. The Cost of Wireless Adding wireless to or using...
Ngày tải lên: 10/08/2014, 12:21
Installing, Troubleshooting, and Repairing Wireless Networks phần 3 ppsx
... dBm " 9 dBi 1 dB 38 dBm " 12 dBi 2 dB 40 dBm " 15 dBi 3 dB 42 dBm " 18 dBi 4 dB 44 dBm " 21 dBi 5 dB 46 dBm " 24 dBi 6 dB 48 dBm note as well. If you live in a house ... 6 dBi 4 W ϭ 36 dBm 500 mW = 27 dBm (15 dB gain) 9 dBi 4 W ϭ 36 dBm 250 mW = 24 dBm (12 dB gain) 12 dBi 4 W ϭ 36 dBm 100 mW = 20 dBm (8 dB gain) 16 dBi 4 W ϭ 36 dBm 30 mW = 12 dBm...
Ngày tải lên: 10/08/2014, 12:21
Installing, Troubleshooting, and Repairing Wireless Networks phần 4 potx
... Address Access Point Gateway IP Access Point DHCP Source WEP Level Off ___ Off ___ 40 / 64- bit ___ 40 / 64- bit ___ 1 04/ 128-bit ___ 1 04/ 128-bit ___ WEP Key 1 Value ASCII: ASCII: Hex: Hex: WEP Key 2 Value ASCII: ... 7 1 24 Parameter Network 1 (Home) Network 2 (Office) Product Make Product Model Firmware Version Configuration Interface USB ___ PC Bus ___ SSID WEP Level Off ___ Off __...
Ngày tải lên: 10/08/2014, 12:21
Installing, Troubleshooting, and Repairing Wireless Networks phần 7 ppsx
... antenna directly to a wireless device on their end—and what that wireless device is depends on what they will be doing (see Figure 14. 1). Figure 14. 1 A typical neighborhood wireless sharing arrangement ... addresses 24. 66.13.5 and 24. 66.12.6. ■ DSL provider assigns you eight fixed IP addresses from 24. 66.13.21 to 24. 66.13.28. With this information in hand, you can begin to confi...
Ngày tải lên: 10/08/2014, 12:21
Installing, Troubleshooting, and Repairing Wireless Networks phần 9 ppsx
... access. ■ 802.11g—Provides 20+ Mbps in the 2 .4 GHz band. ■ 802.11h—A future standard for wireless spectrum management. ■ 802.11i—A standard for enhancing the security of wireless local area networks (WLANs). Preceded ... contains some of the most popular programs for building and peering into wireless networks. The marketing target for most wireless LAN tools is obviously enterp...
Ngày tải lên: 10/08/2014, 12:21
Advanced wireless networks 4g technologies phần 4 ppsx
... 1012 141 618 0 1 2 3 4 a - Drop Tail 8 1012 141 8 0 1 2 3 4 b - Random Drop 01 a - Drop tail 8 1012 141 61 0 1 2 3 4 b - Random drop Node 5 throughput (%) Node 5 throughput (%) Buffer sizeBuffer size 46 81012 0 1 2 3 4 c ... cellular wireless networks, Wireless Networks, vol. 1, no. 4, 1995. [17] H. Balakrishnan, V.N. Padmanabhan, S. Seshan and R. Katz, A comparison of mech- a...
Ngày tải lên: 14/08/2014, 09:21
Wireless Networks dor Dummies phần 4 ppsx
... Configure security options. 4. Configure Outlook Web Access compression. 142 Part II: Implementing Your Wireless Network 12_575252 ch08.qxd 9/2/ 04 4:01 PM Page 142 Peripheral Component Interconnect ... vehicle using your wireless network card and your friend driving close behind or beside you. 1 34 Part II: Implementing Your Wireless Network 12_575252 ch08.qxd 9/2/ 04 4:01 PM...
Ngày tải lên: 14/08/2014, 14:20
TEAM FLY WIRELESS NETWORK DEPLOYMENTS phần 4 pps
... of IEEE ICPWC, pp. 42 4 42 8, 1997. [10] H. Chan and C. Vinodrai," The Transition to Digital Cellular", 40 th Vehicular Technology Conference, pp. 191-1 94, Orlando FL, May 1990. [11] ... demand for CDMA wireless systems has grown rapidly in recent years. The emerging next generation wireless systems are hierarchical systems to serve customers’ various needs. Wireless...
Ngày tải lên: 07/08/2014, 21:20