Conclusions Having HC and UDC in the AG: –L2 and L3 has no clean separation (L2 is extended to AG) –Causes a lot of unnecessary design challenges –Make inter-operability more difficult by introducing a complex BS-AG interface –Increases the system complexity and cost –Decreases the system performance –Endangers the long term competitiveness of the 3GPP2 system Having HC and UDC in the BS: –L2 is fully terminated at BS –Simplify the system design –Enabled better system performance with decreasing network complexity –No 3GPP2 specific Interface required between BS and AG –More competitive to other technologies HC and UDC functions should be located in the BS
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