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Impact Analysis for1xRevE Changes

Impact Analysis for1xRevE Changes. Vikram Gupta, Ravindra Patwardhan, Jen Chen R&D, Qualcomm Inc. Overview. Issue: Prevent 1x-A MS from affecting certain legacy BS that cannot support extended RC bitmaps & capability information record Proposed Solution

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Impact Analysis for1xRevE Changes

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  1. Impact Analysis for1xRevE Changes Vikram Gupta, Ravindra Patwardhan, Jen Chen R&D, Qualcomm Inc.

  2. Overview • Issue: • Prevent 1x-A MS from affecting certain legacy BS that cannot support extended RC bitmaps & capability information record • Proposed Solution • Add an indicator bit in 1x-Advanced BS SPM

  3. Proposed Solution • 1x-Advanced BS includes a bit Rev_E_Ext_Allowed in the SPM • Bit indicates BS is capable of processing • ORM/PRM/SRM with FOR_FCH_LEN field > 3 • Capability Information Record as defined in Rev E • MS will set Rev_E_Ext_Allowed to ‘0’ • by default or • At handoff to legacy RC

  4. MS Impact • 1x-A MS • MS will indicate support of new RCs in ORM/PRM only if the new SPM bit is set to ‘1’ • MS will reset the indicator at handoff to legacy RC • Legacy MS • No impact (verified by multiple vendors) • Mandated by revision 0 standard on the MS • Tests for this behavior are included in test standard

  5. Base Station Impact • 1x-A base station • No IOS impact • No significant processing change from C.S0005-Ev1 • include indicator bit and set it to ‘1’ • Legacy BS • No Impact • 1x-A MS will not include RC bitmap or capability record extensions

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