Motorola Mobility LLC

Motorola Corporation

Paula Tjandra

Anand Bedekar

Paul M Erickson

Narayanan Venkitaraman

Alex P Hirsbrunner

Steven D Upp

Pramod Karnam

Karen M Upp

Tomas Capurka

James A Butler

One determines () that a given wireless mobile two-way communications platform is updating its network location (using, for example, an 802.16()-compatible protocol) at a time when there is no downlink traffic to provide to the platform and at a time when the platform should conduct at least one of an authenticator relocation process and an Internet Protocol address renewal process. In response to such determinations, one then automatically provides () to the platform, as part of updating the network location for the platform, an indication (such as, for example, a downlink traffic pending (DTP) flag) that the platform has pending downlink traffic notwithstanding that there is, in fact, no downlink traffic to provide to the wireless mobile two-way communications platform. Subsequent to this, one can then automatically cause () the platform to effect at least one of the authenticator relocation process and the Internet Protocol address renewal process.

Method and apparatus to facilitate network processes

Various embodiments are described for facilitating network mobility in communication networks with an aim toward enhancing the scalability of MIP. Generally, in most of these embodiments, a network node () sends a message to a network device () to establish a data path for a remote unit () served by the network node. This message comprises a source link layer address which is associated with the remote unit. The message may or may not be sent in response to receiving signaling to facilitate wireless connectivity of a remote unit via the network node. In addition, the network device to which the message is sent may be an access router (AR) or a foreign agent (FA) of the remote unit.

Method and apparatus for facilitating network mobility

A packet data communication system ( ) that includes a plurality of communication units and a fixed infrastructure comprising a packet data routing system ( ) and a plurality of base sites ( ), emloys a method and apparatus for paging a communication unit ( ). The fixed infrastructure ( ) transmits a paging message to a communication unit ( ) of the plurality of communication units. In response to receiving the paging message, the communication unit ( ) transmits an acknowledgment. If the fixed infrastructure ( ) fails to receive the acknowledgment within a certain waiting period, the fixed infrastructure ( ) waits at least until the expiration of a backoff period before again transmitting a paging message, wherein the length of time of the backoff period is based on a metric of known system behavioral patterns.

Method and apparatus for paging a communication unit in a packet data communication system

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Hoffman Estates, IL, United States of America

Paula Tjandra