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Inactive processing of devices with delay tolerant traffic

A technology of delay tolerance and equipment, applied in network traffic/resource management, wireless communication, electrical components, etc.

Active Publication Date: 2021-02-12
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this process takes a long time for the UE to re-establish the connection, if it only has delay-tolerant traffic, it has no adverse impact on the user and relieves the signaling congestion of the network between the connection sessions of the UE

Method used

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  • Inactive processing of devices with delay tolerant traffic
  • Inactive processing of devices with delay tolerant traffic
  • Inactive processing of devices with delay tolerant traffic

Examples

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Embodiment Construction

[0037] For purposes of simplicity and illustration, the invention will be described primarily with reference to exemplary embodiments of the invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In this specification, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the invention.

[0038] The physical capacity of a mobile communication network depends on various resources; an important one is used for the Physical Uplink Control Channel (PUCCH). One main purpose of the PUCCH is to provide dedicated channel resources for user equipment (UE) to request permission from the network to use the uplink shared channel (UL-SCH) for dedicated data transmission. The UE may send a scheduling request (SR) as...

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Abstract

To alleviate signaling congestion, UEs (30) with delay tolerant data are moved to the non-UL sync state more quickly, releasing PUCCH resources for users not indicating delay tolerance. In one embodiment, a resource saving mode is defined for the UE (30) with delay tolerant data (eg, from "background" applications); otherwise, the UE (30) adopts the default mode. In one embodiment, the network sends to the UE a pair of first and second values ​​(or their indices) for a time alignment timer TAT (56, 66) in the UE (30). When the user data plane is inherently presumed to be delay tolerant, or has been confirmed to be delay tolerant, the UE (30) in resource saving mode uses the first value (which is usually smaller than the second value); in other cases (i.e. , the default mode), the second value is used. In resource saving mode, a shorter TAT value makes UE move out of PUCCH faster, and UE (30) uses random access for less frequent scheduling requests. In default mode, the UE (30) reserves the PUCCH and has a short wait time for scheduling requests. The network can pre-configure a pair of TAT values. This mechanism also enables synchronous initiation of TAT values ​​and is also capable of stopping any TAT that is running (56,66).

Description

[0001] related application [0002] This application claims priority to US Provisional Application Serial No. 62 / 163,677, filed May 19, 2015, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to the field of wireless communications in mobile communications networks, and in particular to the handling of uplink time alignment and data inactivity monitoring for devices connected using the Long Term Evolution (LTE) protocol. Background technique [0004] Wireless communication networks have developed complex protocols to establish and maintain reliable connections between mobile user equipment (UE) and the network. In general, communication between the UE and the network consists of two types: Signaling (also known as control plane communication), which is "overhead" communication used to control connectivity, transmission power and technical characteristics (e.g., modulation and coding) and, IP data (als...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W72/12
CPCH04W28/0205H04W28/0289H04W72/12H04W72/52H04W28/0236
Inventor 贡纳·伯奎斯特艾哈迈德·诺阿毛罗·马丁斯帕特里克·李贞雄张培镧约翰·卡尔森
Owner TELEFON AB LM ERICSSON (PUBL)
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