EE468: Telecommunication Systems II

Instructor: Lang Tong Office: 384 Rhodes Hall Tel: (607) 255-3900 Fax: (607) 255-9072 E-mail: ltong@ee.cornell.edu Office Hours: Tues. 12-1pm, Wed. 2:30-3:45pm, or by appointment

Section Instructor: Qing Zhao: Office: 319 Rhodes Hall Tel: (607) 254-8816 E-mail: qzhao@ee.cornell.edu

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Spring 2001 Schedule:

• Lectures: TR 2:55-4:10, PH 301.
• Subsection: T 8:00-9:00, PH 301.

Textbook:

• J.G. Proakis and M. Salehi, Communication Systems Engineering, Prentice Hall, 1994.
• Wozencraft and Jacobs, Principles of Communication Engineering, Waveland Press, 1990. (recommended)

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Course Description
Fundamentals of digital communications. Topics include: digital source coding, Huffman coding, sampling, quantization, analog source coding; optimum receivers for digital transmission through additive white Gaussian noise (AWGN) channels, matched filters; channel capacity and error control coding; digital transmissi on through band-limited AWGN channels, inter-symbol interference (ISI), equalization techniques; spread-spectrum communication systems.

Prerequisites: ELE E 310, ELE E 411.

• Introduction
  Course overview: Why digital communications? System Overview. Review of Passband Signal Representation and Random Processes. Random variables [3.1]. Random processes [3.2]. Power Spectrum [3.3]. Band-limited processes and sampling [3.5]. Bandpass Processes [3.6]
  
• Source Coding
  Huffman Codes [4.3]. Information, Entropy and Source Coding Theorem$^2$ [4.2]. PCM, DPCM and ADPCM [4.6].
  
  
• Digital Transmission Through AWGN Channels
  Signal space theory [7.1] Minimum error probability detection [7.2-7.3]. Optimal receiver implementations [7.2]. PAM, QAM and FSK. Performance comparison of different modulations [7.3].
  
  
• Channel Capacity and Coding
  Channel capacity [10.2]. Block codes [10.5]. Convolution codes [10.7].

References:

• Lee and Messerschmitt, Digital Communications,, 2nd Ed. KAP, 1994.
• Sklar, Digital Communications: fundamentals and applications, Prentice Hall.
• Haykin, Digital Communications , Wiley, 1988.