Mobile Computing Module 2

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Across
  1. 4. Domain handling traditional voice services
  2. 8. Digital cellular system that uses TDMA and supports voice and SMS services
  3. 11. Procedure by which mobile informs network about change in area
  4. 13. Technique used to protect user data over the air interface
  5. 16. Logical association between mobile user and external data network
  6. 20. Temporary database that stores subscriber data when roaming
  7. 21. Stream cipher used to encrypt GSM traffic
  8. 23. Mechanism ensuring priority and performance guarantees
  9. 25. Radio access network part of UMTS
  10. 29. Challenge response mechanism used to verify subscriber identity
  11. 31. Layer responsible for error correction and retransmission in GPRS
  12. 33. Gateway that connects mobile packet network to external IP networks
  13. 34. Enhancement providing higher data rates in UMTS
  14. 35. Algorithm generating signed response during authentication
Down
  1. 1. Network element that controls radio resources and manages handover within its area
  2. 2. Signaling process to establish communication between users
  3. 3. Technology improving data rate over GSM using enhanced modulation
  4. 5. Node responsible for mobility management in packet domain
  5. 6. Switching entity responsible for call routing and mobility management
  6. 7. Controller managing multiple NodeBs and radio resources
  7. 9. Service allowing subscriber to access network outside home area
  8. 10. Process ensuring call continuity when user moves between cells
  9. 12. Algorithm generating session key for encryption
  10. 14. Domain handling packet data services
  11. 15. Packet switched enhancement over GSM enabling internet access
  12. 17. Procedure initiated by network to inform a mobile of an incoming call
  13. 18. Database that permanently stores subscriber profile and service information
  14. 19. Element responsible for radio transmission in 3G network
  15. 22. Encapsulation method used between packet core nodes
  16. 24. Third generation system using WCDMA radio access
  17. 26. Layer managing channel access in packet transmission
  18. 27. Spread spectrum technique used in UMTS radio interface
  19. 28. Component that directly communicates with the mobile station over air interface
  20. 30. Access technique where users share same frequency in different time slots
  21. 32. Identifier used to group cells for mobility management