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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
THIRD SEMESTER M.TECH DEGREE EXAMINATION, DECEMBER 201 7
Electronics & Communication Engineering

Telecommunication Engineering

0۱٢٢/313: Space Time Coding and MIMO Systems

Answer any mofull questions from each part

Limit answers to the required points.

Max. Marks: 60 Duration: 3 hours
PART A
1. Derive the expression for capacity of a frequency flat deterministic MIMO channel.
2 Consider the MIMO channel with

201
111

Find the channel capacity with channel unknown at the transmitter. Consider SNR—

3. Explain the different types ofdiversity combining techniques.
PART B
4. Derive the Trace criterion for space time block codes.
5. Obtain the beamforrner for first input in a 62 MISO system ignoring noise,
givenh_[3+ 4j
6. Explain the encoding procedure of STTC. PART C
7 Explain D-BLAST receivers.
8. With block diagram, explain MIMO OFDM.
9. Describe the equalization techniques in receiver design.

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