Apparatus, and an associated method, for facilitating registration of a mobile node with a home agent. Dormant mode operation of the mobile node is supported. Message generators positioned at the mobile node generate appropriate messages for a UMTS and a WLAN network. The messages include indicia identifying the home agent associated with the mobile node. Apparatus positioned at separate network portions of the communication system form registration proxies for performing the registration of the mobile node with the home agent.

 
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> Accounting for error carryover in error correction on M-bit encoded links

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