Exam Umts Zte | W Cdma (Umts) | Radio Resource Management

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WCDMA P&O final test exam (Class: 12IUWOB320) Name ________________________ Score _____________ Part1. True (T) or False (F) (40points) 1. Intra-frequency handover must be soft handover. 2. 3. 4. 5. 6. Inter-frequency handover must be hard handover. WCDMA is a self-interference system. The frequency of close-loop (Inner) power control is 1500Hz. In WCDMA system, 12.2k CS and 64k CS services have the same coverage. In WCDMA system, uplink is interference restricted, downlink is power restricted.
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  WCDMA P&O final test exam (Class: 12IUWOB320)   Page 1  of 2   Name ________________________ Score _____________ Part1. True (T) or False (F) (40points) 1. Intra-frequency handover must be soft handover. ( F  )   2. Inter-frequency handover must be hard handover. ( T  ) 3. WCDMA is a self-interference system. ( T  ) 4. The frequency of close-loop (Inner) power control is 1500Hz. ( T  ) 5. In WCDMA system, 12.2k CS and 64k CS services have the same coverage. ( F ) 6. In WCDMA system, uplink is interference restricted, downlink is power restricted. ( T  ) 7. Inner loop power control is between NodeB and RNC. ( F ) 8. In WCDMA system, neighbor cells can have the frequency . ( T  ) 9. In WCDMA, Scrambling, and Channelization are planned codes ( F ) 10. BCH is a Broadcasting physical channel ( F ) Part2. Multiple Choice (40points) 1. The maximum data rate in R99 is ( C  ) in theory. A. 153.6kbps B.384kbps C. 2M D.14.4M 2. In WCDMA, there are ( B  ) primary scrambling code in downlink. A. 256 B. 512 C. 218-1 D. 224-1 3. In WCDMA, ( B ) is the physical channel containing system broadcasting information(BCCH). A. P-CPICH B. P-CCPCH C. S-CCPCH D. PRACH 4. ( B ) is the physical channel that carries PCH and FACH transport channels A. P-CCPCH B.S-CCPCH D. SCH F. DPDCH 5. Email belongs to ( D  ) service. A. conversational B. streaming C. interactive D. background 6. During Link Budget, ( B  ) should be taken as gain. A. Power Control margin B.SHO D. HHO F. Load control 7. The purpose of power control includes ( A/C/D  ) A . overcome near-far effect B . compensate signal fading C . increase WCDMA system capacity D . extend battery life  WCDMA P&O final test exam (Class: 12IUWOB320)   Page 2  of 2   8. ( B  ) Is used to start Inter RAT measurement. A. 2A B. 2E C. 2D D. 2C 9. 2F Event is used to ( B  ) compressed mode A. Enable B.Disable 10. The Processing Gain for a PS64kbps service is: D  A. 25db B.10db C.16db D.18db Part. 3 (20 points) 1)   Quel paramètre permet de choisir entre event 2A/2B/2C InterHoTactic  2)   Quelle est la différence entre les Event 2A/2B/2C 3)   Quelle est la fonction du paramètre time to trigger 4)   Expliquer le critère de selection/reselection d’une cellule   2)Event 2A, the quality of the neighbour cell must be better than the quality of the serving cell Event 2B: quality of neighbor cell must be better than the threshold AND Quality of serving cell must worst than the threshold Event 2C: depend only on the quality of the neighbor cell 3) Time to trigger, is the minimum time that the condition must be confirmed Cell selection: depends on the quality and signal level, both conditions must be confirmed to get the selection Cell reselection: depends on the quality measured by the serving cell and the neighbor ones to find the best new cell to reselect
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