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Decision tree logic for determining the optimal value for QOS uplink and downlink maximum bitrate

A technology of maximum bit rate and attribute value, applied in communication between multiple stations, digital transmission system, data exchange network, etc., can solve problems such as long call preparation time, control network, and inefficient utilization

Inactive Publication Date: 2005-05-18
LUCENT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in longer call setup times and inefficient use of the control network

Method used

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  • Decision tree logic for determining the optimal value for QOS uplink and downlink maximum bitrate
  • Decision tree logic for determining the optimal value for QOS uplink and downlink maximum bitrate
  • Decision tree logic for determining the optimal value for QOS uplink and downlink maximum bitrate

Examples

Experimental program
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Embodiment Construction

[0031] Referring to FIG. 1, a method 110 for a network element, such as a Serving General Packet Radio Support Node (SGSN), responding to a user equipment maximum bit rate request of a user includes receiving 114 a requested maximum bit rate attribute or parameter value, determining 118 an associated maximum bit rate limit and determining 122 whether said maximum bit rate limit is greater than or equal to a lowest value member of an available maximum bit rate (MBR) set. Providing the requested service requires a network element (such as an SGSN, Node B (base station) or GGSN) to Communications related to MBR requests contribute more network resources (eg, network bandwidth) than the user has contracted for. Accordingly, the network refuses to provide the requested service 126 . If the MBR limit is at least higher than the lowest member value of the set of available MBRs, offer 130 a communication service associated with the offered MBR value. The provided MBR is selected fro...

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Abstract

The logic for responding to the maximum bitrate request includes comparing the requested maximum bitrate and the maximum bitrate limit to the supported maximum bitrate. If the maximum bit rate limit is at least lower than the lowest supported maximum bit rate, then no communication service associated with the requested maximum bit rate is provided. If the maximum bitrate limit is at least as high as the lowest supported maximum bitrate, then the offered bitrate is chosen from a set of supported maximum bitrates that is at least as high as the requested maximum bitrate and not higher than the maximum bitrate limit, as long as such a supported maximum bitrate exists. If such a supported maximum bitrate does not exist, the offered bitrate is chosen to be the highest available supported maximum bitrate not higher than the maximum bitrate limit.

Description

technical field [0001] The present disclosure relates to the field of network communication technologies, and more particularly to the field of negotiating Quality of Service (QoS) attributes or parameters between network elements. Embodiments are described in terms of Universal Mobile Telecommunications System (UMTS) and Maximum Bit Rate (MBR) attributes or parameters related to Packet Data Protocol (PDP) contexts and their Quality of Service (QoS) classes. Background technique [0002] Network communications providers attempt to allocate resources to maximize efficiency. For example, in UMTS networks, efforts are made to allocate only suitable bandwidth for any particular communication session. The appropriateness of a particular bandwidth allocation is determined based on the quality of service class subscribed by the communication service subscriber and the needs of the particular communication application. For example, email and messaging traffic may require a lower q...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04B7/26H04W28/22H04W28/24
CPCH04W28/22H04W28/24H04L47/25
Inventor 布兰·A·劳尔
Owner LUCENT TECH INC
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