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Buffer state information report processing method and relay node

A buffer state and relay node technology, applied in wireless communication, network traffic/resource management, electrical components, etc.

Active Publication Date: 2011-03-30
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0039] At present, the BSR reporting mechanism on the access link in LTE-A is the same as the BSR reporting mechanism in the LTE system, but the disadvantage of the existing technology is that there is no technical solution for BSR reporting on the backhaul link

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  • Buffer state information report processing method and relay node
  • Buffer state information report processing method and relay node
  • Buffer state information report processing method and relay node

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Embodiment Construction

[0096] The inventor noticed during the invention process that there is currently no reporting mechanism for uplink buffer status information on the backhaullink of the LTE-A system. In the LTE-A system, to reach the base station, the uplink data of the R-UE must be sent to the RN through the Uu interface, and then the RN sends it to the Donor eNB through the uplink backhaul subframe, but because the number of UL (uplink) backhaul subframes is limited, so It is generally believed that the priority of the RN's uplink data in the uplink backhaul subframe of the Un port is higher than that of Marco UE. This reason also makes it more complicated if the RN uses the BSR reporting mechanism of the LTE system on the Un port, and has a negative impact on the system. There is no greater improvement in performance, so a new BSR reporting mechanism needs to be considered.

[0097] In view of this, an embodiment of the present invention provides a buffer status information reporting process...

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Abstract

The invention discloses a buffer state information report processing method and a relay node. The method comprises that: the relay node acquires the buffer state information of the relay node; and the relay node reports the acquired buffer state information to a home base station. In the method, a scheme for reporting a buffer state to the home base station by the relay node is provided in a network into which the relay node is introduced, and simultaneously, the report method can reduce the complexity of realization and overhead in buffer state report on the basis of not influencing system performance.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a processing method and a relay node for buffer state information reporting. Background technique [0002] The LTE-A (Long Term Evolution-Advance, long-term evolution upgrade) system has greatly improved the peak rate compared with the LTE (Long Term Evolution, long-term evolution) system. In order to increase capacity and improve edge coverage, RN (Relay Node, relay node) is introduced . [0003] one, figure 1 It is a schematic diagram of nodes, interfaces and links in LTE-A, combined below figure 1 A brief introduction to Type1 RN (the first type of relay node). [0004] The function of Type1 RN is equivalent to a complete base station. After the LTE-A system introduces Type1 RN, the nodes, interfaces and links are defined as follows: [0005] 1), the nodes include: [0006] Donor eNB (home base station): eNB (evolved base station) to which RN belongs; [0007] Relay Nod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/14H04W28/26
Inventor 赵亚利李国庆谌丽鲍炜
Owner DATANG MOBILE COMM EQUIP CO LTD
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