Optimizing and Testing WLANs phần 6 docx

... Generator and Analyzer (TGA) Traffic Generator and Analyzer (TGA) Routers AP AP AP AP AP AP AP AP AP AP AP AP AP AP AP Ch05-H79 86. indd 128Ch05-H79 86. indd 128 6/ 28/07 10: 16: 26 AM6/28/07 10: 16: 26 AM Chapter ... switch to accept back-to-back bursts of frames and buffer them up Ch05-H79 86. indd 126Ch05-H79 86. indd 1 26 6/28/07 10: 16: 25 AM6/28/07 10: 16: 25 AM Protocol Tes...

Ngày tải lên: 14/08/2014, 14:20

... chip Packet Buffer Memory Flash Memory Client Session Manager Control Manager HTTP SNMP CLI/Telnet Security QoS Association TCP/IP Stack Packet DMA RTOS and Drivers Ch01-H79 86. indd 16Ch01-H79 86. indd 16 6/28/07 12:49:04 PM6/28/07 12:49:04 PM Metrology, Test Instruments, and Processes 35 actual behavior of the devices and systems with ... Lifecycle Chip Design And Verif- ication C...

Ngày tải lên: 14/08/2014, 14:20

... written to run a test at each individual frame size and record the results. Ch05-H79 86. indd 116Ch05-H79 86. indd 1 16 6/28/07 10: 16: 22 AM6/28/07 10: 16: 22 AM Chapter 4 108 If frame traffi c is sent to ... when performing protocol testing. However, the difference is important to understand. CHAPTER 5 Ch05-H79 86. indd 109Ch05-H79 86. indd 109 6/ 28/07 10: 16: 19 AM6/28/07 10: 16: 19...

Ngày tải lên: 14/08/2014, 14:20

... (dB) EVM (%RMS) 6 BPSK 2 Ϫ5 56. 2 9 BPSK 2 Ϫ8 39.8 12 QPSK 4 Ϫ10 31 .6 18 QPSK 4 Ϫ13 22.3 24 16- QAM 16 Ϫ 16 15.8 36 16- QAM 16 Ϫ19 11.2 48 64 -QAM 64 Ϫ22 7.9 54 64 -QAM 64 Ϫ25 5 .6 In practice, ... Section 4 .6) , then care should be taken to avoid measuring the envelope of the external device instead of the DUT Ch04-H79 86. indd 86Ch04-H79 86. indd 86 6/28/07 10:00: 56 AM...

Ngày tải lên: 14/08/2014, 14:20

... Traffic Sink Link-segment Testing Ch 06- H79 86. indd 146Ch 06- H79 86. indd 1 46 6/28/07 1:14: 46 PM6/28/07 1:14: 46 PM Chapter 6 148 802.11 MAC frame) would require only 166 ␮s to transmit at an 11 Mb/s ... Trunk Ethernet Switch 123 4 56 789 * 0# 123 4 56 789 * 0# 123 4 56 789 * 0# 123 4 56 789 * 0# 123 4 56 789 * 0# 123 4 56 789 * 0# Figure 6. 7: VoIP Over WLAN Architecture...

Ngày tải lên: 14/08/2014, 14:20

... internal fi lter passbands, amplifi er gains and comparator thresholds to obtain the desired RF Ch07-H79 86. indd 169 Ch07-H79 86. indd 169 6/ 28/07 10:19: 16 AM6/28/07 10:19: 16 AM Chapter 7 1 76 datasheet specifi ... EEPROM Ch07-H79 86. indd 176Ch07-H79 86. indd 1 76 6/28/07 10:19:18 AM6/28/07 10:19:18 AM 181 Installation Test A considerable amount of testing is performed during the...

Ngày tải lên: 14/08/2014, 14:20

... understand how MIMO works and its effects on both WLAN equipment and test procedures. CHAPTER 9 Ch09-H79 86. indd 207Ch09-H79 86. indd 207 6/ 28/07 11:24:03 AM6/28/07 11:24:03 AM Chapter 8 2 06 power ... Management Console Ch08-H79 86. indd 206Ch08-H79 86. indd 2 06 6/28/07 10:20:10 AM6/28/07 10:20:10 AM Chapter 8 200 “what-if” scenarios and arrive at an optimal placement. Obviousl...

Ngày tải lên: 14/08/2014, 14:20

... 20 Transmitter 21 Outdoor 56 Antenna range 60 OTA 59 60 Output power 78 Over-the-air (OTA) 56, 58, 61 , 73, 95 Chambered 64 69 Fresnel zone 61 62 Indoor 60 61 Outdoor 59 60 P Packet traffi c 107–108 Path ... 125 Fraunhofer distance 66 67 Frequency band 20 Frequency-hopping spread- spectrum (FHSS) 6 Frequency stability 84– 86 Frequency synthesizer 85, 174 Fresnel zone 61 62...

Ngày tải lên: 14/08/2014, 14:20