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Implementation of SIM Toolkit in the CDMA SIM Kamilla Gam Nielsen

Implementation of SIM Toolkit in the CDMA SIM Kamilla Gam Nielsen Schlumberger Technologies (Europe) International. GSM and CDMA differences. General issues regarding STK in CDMA SIM. The SIM needs to know which network it is in Handling the conversion of the CDMA SMS / SMSPP

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Implementation of SIM Toolkit in the CDMA SIM Kamilla Gam Nielsen

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  1. Implementation of SIM Toolkit in the CDMA SIM Kamilla Gam Nielsen Schlumberger Technologies (Europe) International

  2. GSM and CDMA differences General issues regarding STK in CDMA SIM • The SIM needs to know which network it is in • Handling the conversion of the CDMA SMS / SMSPP • USSD and SS in CDMA networks are they supported ? • Setup Call number format is different between CDMA and GSM • The UCS2 support only mentioned in the IS-820

  3. Scenarios of CDMA STK The different scenarios: • The SIM and ME in the GSM network • The SIM and ME in the CDMA network • The SIM does the SMS conversion • The ME does the SMS conversion • The SIM is receiving SMS/SMSPP messages • The SIM is sending SMS messages

  4. The SIM and ME in the GSM network SIM = RUIM and ME = Phase 2+ GSM: GSM SMS Service Center   • Receiving and sending SMS/SMSPP, no conversion • Handset and SIM communicating as per GSM protocol standards

  5. The SIM and ME in the CDMA network SIM = RUIM and ME = CDMA with SIM slot ? ? • How to manage the STK protocol between SIM and ME • Details like the handling of two sets of SMS Storage areas on the card

  6. If SIM handles the conversion SMSPP download SMSPP 04 03 81 21 F3 7FF6 05 32 31 32 31 31 GSM CDMA Conversion SIM Toolkit Receiving SMS-PP • Code size increases due to dual SMSPP handling • Performance of the SIM conversion

  7. If SIM handles the conversion Receiving SMSPP CDMA SMS Service Center ? ? • ME has to recognize a SMSPP • ME has to forward SMSPP transparently to SIM • SIM has to understand / convert the CDMA SMSPP (header and body content)

  8. The SIM and ME in the CDMA network ME handles the conversion: CDMA SMS Service Center  ? • SIM will function as it does right now, seeing the network as GSM • ME has to convert and forward information to both SIM and Network

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