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开个收发信机设计分析的专场吧,我这里有好多资料想免费共享给大...

资料介绍
communication circuits and systems performance measures of wireless communication6.976 High Speed Communication Circuits and Systems Lecture 20 Performance Measures of Wireless Communication
Michael Perrott Massachusetts Institute of Technology

Copyright 2003 by Michael H. Perrott

Recall Digital Modulation for Wireless Link
Baseband Input
it(t) Lowpass ir(t)

Receiver Output

t

2cos(2πf1t) 2sin(2πf1t) qt(t)

2cos(2πf1t) 2sin(2πf1t) Lowpass

t
qr(t)

t

Decision Boundaries

t Sample Times

- Spectral efficiency (transmitter) - Bit error rate performance (receiver) Nonidealities - Intersymbol interference - Noise Interferers M.H. Perrott



Send discrete-leveled values on I and Q channels Performance issues

MIT OCW

Impact of Receiver Noise
Baseband Input
it(t) Input-referred Receiver Noise

Receiver Output
Lowpass ir(t)

t

2cos(2πf1t) 2sin(2πf1t) qt(t)

2cos(2……
开个收发信机设计分析的专场吧,我这里有好多资料想免费共享给大...
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