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Method of handling handover of relay node and related communication device

A relay station and wireless communication technology, applied in wireless communication, electrical components, network topology, etc., can solve the problems of inapplicable system information, inability of relay stations to target-supplied evolved base station communication, etc.

Inactive Publication Date: 2013-03-06
HTC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the system information used to communicate with the source served eNB will not be available for the target served eNB
In addition, since the source-supplied eNB will configure a relay station subframe (subframe) configuration to the relay station (such as when the relay station is in a connected mode), according to the known technology, the relay station will not try to obtain (such as Valid version of system information from a broadcast channel
Therefore, after the handover to the target provisioned eNB, the relay station will not be able to communicate with the target provisioned eNB, how to solve the handover problem of the relay station has become an issue to be discussed

Method used

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  • Method of handling handover of relay node and related communication device
  • Method of handling handover of relay node and related communication device
  • Method of handling handover of relay node and related communication device

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Embodiment Construction

[0019] Please refer to figure 1 , figure 1 It is a schematic diagram of a wireless communication system 10 according to an embodiment of the present invention, which is simply composed of a network terminal and a plurality of relay nodes (RNs). The wireless communication system 10 is preferably a long-term evolution (LTE) using Orthogonal Frequency-Division Multiplexing (OFDM) and / or Orthogonal Frequency-Division Multiple Access (OFDMA). A Long Term Evolution, LTE) system, a long-term evolution-advanced (LTE-Advanced, LTE-A) system, or a successor of the Long-Term Evolution-advanced system. It should be noted that the network terminal and the relay station are used to illustrate the structure of the wireless communication system 10 . In fact, the network end may be an evolved base station (evolved Node-Bs, eNBs) of the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, E-UTRAN) in the long-term evolution system or the long...

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Abstract

A method of handling a handover for a relay node (RN) in a wireless communication system is disclosed. The method comprises receiving a handover command transmitted from a source donor evolved Node-B (DeNB) of the wireless communication system; and releasing an RN subframe configuration after receiving the handover command, if the RN is in a connected mode.

Description

technical field [0001] The present invention relates to a method and its communication device for a wireless communication system, especially to a method and its communication device for handling relay station handover. Background technique [0002] In order to improve the Universal Mobile Telecommunications System (UMTS), the 3rd Generation Partnership Project (the 3rd Generation Partnership Project, 3GPP) has formulated a Long Term Evolution (LTE) system with better performance. Support the 3rd Generation Partnership Project Release 8 (3GPP Rel-8) standard and / or the 3rd Generation Partnership Project Release 9 (3GPP Rel-9) standard to meet the increasing needs of users. The LTE system is regarded as a new wireless interface and wireless network architecture that provides high data transmission rate, low latency, packet optimization, and improved system capacity and coverage. It consists of multiple evolved base stations (evolved Node- The Evolved Universal Terrestrial Ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00
CPCH04W84/047H04W36/0077H04W36/38
Inventor 陈德鸣
Owner HTC CORP