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Communication process and communication network comprising a local access network discovery and selection function

A technology of access network discovery and communication process, applied in access restriction, wireless communication, network topology and other directions, can solve the problem that WiFi access network cannot support communication and so on

Inactive Publication Date: 2014-09-10
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, a WiFi access network is available in the vicinity of the UE, but due to various external factors, such as radio interference, environmental conditions, operation failure, etc., this WiFi access network may not be able to support communication

Method used

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  • Communication process and communication network comprising a local access network discovery and selection function

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Experimental program
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Embodiment Construction

[0062] In the following description, in contrast to Local-ANDSF (L-ANDSF), ANDSF will refer to the current 3GPP defined H- ANDSF or V-ANDSF.

[0063] This L-ANDSF functionality provides discovery information that is not yet available at the H-ANDSF level (e.g. information about this wireless local area network (WLAN) if the H(e)NB also supports a wifi interface) and takes into account local Inter-system mobility policy ISMP (and inter-system routing policy ISRP) for real-time conditions (eg, load, number of users) and semi-static information like reachability of some services.

[0064] Since the L-ANDSF is a local resource, traffic between the UE and the L-ANDSF advantageously does not need to be sent via the EPC.

[0065] To communicate with UE, L-ANDSF uses OMA-DM based ANDSF protocol or IEEE802.21 Media Independent Handover MIH protocol or IEEE802.11v BSS transition mechanism or Hotspot 2.0 defined ANQP query or extensions of these queries or a combination of these mechani...

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Abstract

Communication process within a network such as a Wi-Fi network, said network comprising a home or a visited access network discovery and selection function H-ANDSF, V-ANDSF, said process comprising reception from the H-ANDSF or V-ANDSF at the user endpoint UE of information and policies for discovery and usage of a local access network discovery and selection function L-ANDSF. This L-ANDSF being a local instance of ANDSF.

Description

technical field [0001] The present invention generally relates to communication networks. Background technique [0002] With the development and deployment of various access technologies, mobile communication systems are evolving towards dense wireless environments, where multiple access networks are highly overlapping and complementary in terms of total available throughput, transmission delay, and operating costs. [0003] The network architecture has to take into account the growth in the number of subscribers and their highly diverse resource requirements, and to select the short-term best access network for the most efficient delivery of applications involving preferences from users, core networks and service providers . [0004] This mechanism, the access network selection mechanism, assumes that the network or the mobile device itself selects an access network for mobile device communication, and performs a handover to the selected access network in order to charact...

Claims

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Application Information

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IPC IPC(8): H04W48/08H04W48/18
CPCH04W48/16H04W36/0066H04W48/18H04W84/12
Inventor B·奥兰迪L·蒂埃博J-L·拉弗拉热特
Owner ALCATEL LUCENT SAS