Method and device for processing service data during bearing and preemption in LTE

A business data and data technology, applied in connection management, electrical components, wireless communication, etc., can solve problems such as preemption, reduce user experience, and affect user experience, so as to avoid additional pressure, avoid user experience, and ensure continuous transmission.

Active Publication Date: 2014-04-09
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0003] The ENB in ​​LTE can allocate air interface, bandwidth and spectrum resources according to the GBR (Guaranteed Bit Rate) and UE-AMBR (maximum bit rate) of the UE bearer (Bearer). However, these resources are limited. When the UE has a high These resources will be preempted when the priority bearer accesses, and the lower priority bearer will be released due to insufficient resources. During the release process, if the ENB directly deletes the context of the bearer and notifies the MME to release the EPC (Evolved Package Core, Evolved Packet Core Network), but the message signaling interaction process and processing delay may cause the network elements in the EPC to still send service data to the ENB where the bearer is located before deleting the local downlink bearer, but Since the resource of the bearer has been released in the ENB, the service data is d

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  • Method and device for processing service data during bearing and preemption in LTE
  • Method and device for processing service data during bearing and preemption in LTE
  • Method and device for processing service data during bearing and preemption in LTE

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[0039] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] In order to enable those skilled in the art to further understand the embodiments of the present invention, the following describes the current LTE solution for implementing bearer resource release.

[0041] The ENB bearer will obtain air interface resources during the access or update process. If the air interface resources are insufficient at this time, the resources of the bearers with lower priority and preemptible will be preempted, and the resources of the preempted bearers will be released. The specific process can refer to figure 1 The shown schematic diagram of a bearer resource release process in the prior art is embodied as an E-RAB RELEASE (radio access bearer release) process on the S1 interface. The M...

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Abstract

The invention provides a method and a device for processing service data during bearing and preemption in LTE. The method comprises the steps: an evolved nodeb (ENB) inquires whether a third bearer of a first user device (UE) 1 exists or not when the second allocation retention priority (ARP) 2 of a second bearer of a second user device (UE) 2 newly accessed to the ENB is higher than the first allocation retention priority (ARP) 1; the ENB uses the third bearer to transmit the service data to the first UE1 if the third bearer exists; the ENB judges whether the access time of the second bearer exceeds the preset time or not; the ENB stops transmitting the service data to the first UE1 through the third bearer and releases the first bearer if the access time of the second bearer exceeds the preset time. The method and the device for processing the service data during bearing and preemption in the LTE are used for ensuring the continuous transmission capacity of the service data with preempted and borne resources.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a method for processing service data during bearer preemption in LTE, and a device for processing service data during bearer preemption in LTE. Background technique [0002] In order to ensure the competitive advantage of 3GPP (The3rd Generation Partnership Project, 3rd Generation Partnership Project), 3GPP launched LTE (Long Term Evolution, long-term evolution) and SAE (System Architecture Evolution, system architecture evolution) projects, and proposed an all-IP LTE / SAE system architecture (after SAE was renamed as EPC (Evolved Packet Core, Evolved Packet Core Network)), and its wireless key technology, interface protocol, signaling process, system security, and UMTS (Universal Mobile Telecommunications System , Universal Mobile Telecommunications System) interoperability etc. have been standardized. LTE / EPC is collectively referred to as EPS (Evolved Pack...

Claims

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Application Information

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IPC IPC(8): H04W72/10H04W76/04
Inventor 李楠张郑锟
Owner DATANG MOBILE COMM EQUIP CO LTD
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