GPRS and EDGE

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Across
  1. 2. modulation used in EDGE
  2. 7. GPRS uses these unused channels for transportation of data in general
  3. 9. performs transcoding function for speech channels and RA for data channels in GSM
  4. 11. contains information about sender and receiver of packets
  5. 13. GSM uses this handoff
  6. 14. GPRS provides what mode of transfer?
  7. 17. static database that stores subscribed services
  8. 18. total number of classes in MSs
  9. 20. contains routing information for GPRS users
  10. 21. enhancement to existing GSM network
  11. 22. supports MS via the Gp interface
  12. 24. Channel request (packet) from MS to BSS
  13. 25. When the user wants to attach to the GPRS network, the mobile device enters this state as soon the first packet is sent
Down
  1. 1. network providers charge for GPRS models based on what?
  2. 3. used to page a mobile prior to downlink packet transfer
  3. 4. a standard set of protocols enabling wireless web applications on a cell phone
  4. 5. all data within GPRS network is transferred using what protocol
  5. 6. number of coding schemes used to add redundancy to the user data
  6. 8. MS is not reachable in this mode
  7. 10. main characteristic of GPRS
  8. 12. also called 2.5G
  9. 15. interface that connects BTS with BSC
  10. 16. temporal identifier included in attachment process before sending data
  11. 19. can provide data rate upto 43.2Kbps using multiple slots simultaneously
  12. 20. modulation technique used in GPRS
  13. 21. interface between SGSN and GGSN
  14. 23. when no data is transferred for some time,the ready timer expires and the mobile device changes into this state