Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)

A technology of priority list and system priority, applied in the field of system selection, which can solve problems such as difficulty and inefficiency

Active Publication Date: 2012-05-23
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This in turn leads to difficulties and / or inefficiencies in selecting a system from a group of systems using different access technologies

Method used

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  • Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)
  • Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)
  • Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)

Examples

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example 2

[0059] Second, as a special case, support can be explicitly allowed to list a continuum of system types from a particular standard. Thus, PLMN list entries with no access technology (AcT) or with two or more ActTs indicated in the ActT bitmap can be processed. Subsequently, for such a list of PLMNs, MSPL 142 may specify the relative priority of each ActT.

example 3

[0061] Among them, LTE, UMTS and GSM refer to:

[0062] Common individual PLMN entries;

[0063] two entries, where one entry has two indicated ActTs in the same order as the PLMN list; or

[0064] Three entries, where each entry has an indicated ActT consistent with the order of the PLMN list.

[0065] Third, a clarification of the scope of the MSPL could be achieved. Currently, it is unclear whether the MSPL 142 (eg priority class, system type) applies to the entire set of PLMNs listed in the card (HPLMN, EHPLMN, OPLMN, etc.) or some subset. By restricting the scope of MSPL 142 to those defined by MLPL 138 or by MLPL "groups" 138 that share a common MLPL_GROUPING_ID (MLPL Grouping ID) 150 (i.e., each MLPL 138 in the group can point to the same MSPL 142) Subsets of system composition, which clarifies the applicability and scope of priority classes and system types, making it clear that they apply to subsets rather than the entire collection of systems for a technology. ML...

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Abstract

A mobile device or access terminal of a wireless wide area network (WWAN) communication system is provisioned for Multi-Mode System Selection (MMSS) wherein an MMSS System Priority List (MSPL) is used with respect to the underlying system selection priority list (e.g., Private Land Mobile Network (PLMN) list). Relating a current location to one or more entries in an MMSS Location Associated Priority List (MLPLs) enables scaling a range of entries in the PLMN list, indicating whether the MSPL apply to the entire list of PLMNs stored in an access terminal or to some subset of the PLMN List. Similarly, the present innovation addresses whether the MSPL applies to the entire Preferred Roaming List (PRL) or some subset of a geo-spatial location (GEO) area.

Description

[0001] Claiming Priority Based on 35 U.S.C. §119 [0002] This application for patent claims priority to Provisional Application No. 61 / 226,991, filed July 20, 2009, entitled "MMSSEnhancements," which is assigned to the assignee of the present application and is hereby expressly incorporated herein by reference . technical field [0003] The present application relates generally to wireless voice communications and, more particularly, to techniques for system selection in a wireless communications environment. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, data, and so on. These systems are multiple-access systems capable of supporting communication with multiple users by sharing available system resources (eg, bandwidth and transmit power). Examples of such multiple-access systems include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/20
CPCH04W48/20H04W48/18H04W88/06
Inventor Y·C·尹S·巴拉苏布拉马尼安S·拉马钱德兰A·斯瓦米纳坦
Owner QUALCOMM INC
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