System performance

System performance - 1 1 Communication system performance...

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Unformatted text preview: 1 1 Communication system performance revisited 2 Slide from before: Performance Concerns DC offset Image rejection Quadrature requirements Noise and noise figure Phase noise and Jitter Distortion Compression Desensitization Cross modulation Intermodulation IP2, IP3 Harmonic distortion (THD, SFDR,) Bit error rate Data rate (bandwidth) 3 System level concerns Data rate (voice, text, image, video,) Cost (CMOS, SiGe, ) Mobility (fixed, indoor, outdoor, ground vehicle, airborne, ) Battery life (power consumption) Weight (discrete, multi-chip, single chip, ) Multi-standard support (hardware sharing) Security (baseband DSP) Quality of service (protocol, transceiver) 4 Mobility vs. Bit Rate Mb/s 1 10 100 0.1 Outdoor Stationary Walk Vehicle Indoor Stationary/ Desktop Walk Mobility WLAN (IEEE 802.11a/b/g) Bit Rate LAN W-CDMA/ EDGE Bluetooth Zigbee (IEEE 802.15) Where is UWB? Where is Military? 5 Cost vs. Bit Rate Mb/s 1 10 100 0,1 User Cost / bit HIPERLAN/2 Bit Rate LAN Low Medium High Very Low $ WLAN (IEEE 802.11a/b/g) LAN W-CDMA/ EDGE W-CDMA/ EDGE Bluetooth Zigbee (IEEE 802.15) 6 Motorola 3G Smart Phone Architecture 2 7 Transceiver performance Transceiver Overview Transmitter Performance Spec. Transmitter Architecture Receiver Performance Spec. Receiver Architecture Receiver Link Budget 8 Generic Transceiver Architecture 9 Role of a Transmitter 90 A D A D HPMX-207 The lkhefwlkhq wilehrwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih q The lkhefwlkhq wilehrwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw The lkhefwlkhq wilehrwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae.esjlkhqwhwlhlihewrw wklhjrqlihqilhq q3wih qwejklhwajkhrqwilu wae....
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System performance - 1 1 Communication system performance...

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