solution_2 - Score distribution of EE 5368 Midterm spring...

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Score distribution of EE 5368 Midterm spring 2011 Average =59.22 Mid=58.75 Variance =l-6.05
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EE 5368 Wireless Commun tcation Systems Exarn#I Spring 201 1 Student name: SN #: 5, hhvn March23,20Il The lJniversity of Texas atArlington
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Problem l. (15%) Part (I) GSM IS.95 IS-136 AMPS Analog or Digital System D;g+J P;q;vL D;g;*at 4, ^l* Multiple Access Method Blrtrvv+ f>/ana F>/ r>r',4. w^4 FDD or TDD Mode F'D f>> P> FDD BWRadio Channel What kind of fading channel for each system BW? z* kNz/,L *nrh:eatue t.zlfuWcTv h.7,y& sb*,e hr/;"n 7okilz/clv Ho+ faa,g ^KWd" lloy S"a,'g- Voice channels/Radio Channel (, 8 t,xts/ ,L 20 t'*+s/c/" 3 ouas /c7" I t-K+/dL Modulation Scheme demodulation (coherent or non-coherent) 6Ask lron- & c"trag* bPs\,/ apap coJeaer* 16a- coJeArF F}k Hard or Soft Handoff ld^a{ f l+"4 l+"*L Part (ID (a) Why IS-136 system has more voice channel/radio channel than AMPS system? t%e- rh,ok ddrla/Lrud" f b*,,&
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out three important mechanisms needed in order for CDMA systems works? I l. fr* c.lrd?Dl Vanolle- Wo -ttoastn&z^ort- . 3- B^)e rcczia. (c) The advantages for using GMSK modulation scheme? b lelr o r+" 0&- t +k ,$+. l+ f* 6, - *t a*[;neor- "Tnh in ho@r (d) How many different multiple access methods have you heard (such as CDMA, FDMA,. ...) F>L,L \ TD/,4 o|>ttu{ . SDr{"4. (e) What are intra-cell handover and inter-cell handover? inlta-rcll lr^/ot*, /,^olorq b*"rea^ t@, ttu *r€ ce//. )t#+
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solution_2 - Score distribution of EE 5368 Midterm spring...

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