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A short-distance service unicast communication method and device

A technology of unicast communication and business communication, applied in the field of communication, can solve the problems of inapplicability of eMTC terminals, and achieve the effect of avoiding conflicts

Active Publication Date: 2018-11-27
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current short-distance service unicast communication technology is not suitable for eMTC terminals

Method used

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  • A short-distance service unicast communication method and device
  • A short-distance service unicast communication method and device
  • A short-distance service unicast communication method and device

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Embodiment Construction

[0057] As mentioned in the background art, the eMTC terminal is introduced in the R13 version of the 3GPP protocol, but the current short-distance service unicast communication technology is not applicable to the eMTC terminal.

[0058] The inventors of the present application analyzed and found that in the current short-distance service unicast communication technology, the receiving end needs to monitor all the receiving resource pools indicated by the system information block 18 (SIB18) message at the same time to determine the received data. However, at present, eMTC The capacity is limited to no more than 6 physical resource blocks for data transmission / reception, and eMTC terminals do not support the reception of SIB18, so eMTC terminals may not be able to know the location of data transmission, and thus cannot receive data correctly.

[0059] In order to solve the above problems, when the terminal is determined to be an eMTC terminal, a receiving resource pool is configu...

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PUM

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Abstract

A short distance service unicast communication method and device, the method comprising: receiving resource allocation request information sent by a terminal; in response to the resource allocation request information, when the terminal is an eMTC terminal, configuring the terminal to receive The resource pool notifies the terminal of receiving resource pool information; determines the destination terminal targeted by the sending terminal, and when the destination terminal is an eMTC terminal, allocates transmission resources located in the receiving resource pool of the destination terminal to the sending terminal; Send resource authorization indication information to the sending terminal, where the resource authorization indication information indicates the transmission resource and its corresponding destination terminal. The above solution can realize short-distance service unicast communication of eMTC terminals.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a short-distance service unicast communication method and device. Background technique [0002] Device-to-Device (D2D) communication is a new technology that allows user equipment (User Equipment, UE) to communicate directly by multiplexing cell resources under the control of the communication system. It can increase the cellular communication The spectral efficiency of the system reduces the transmission power of user equipment, and solves the problem of lack of spectrum resources in wireless communication systems to a certain extent. [0003] The R13 version of the 3GPP protocol supports point-to-point unicast communication, including relay-related point-to-point unicast communication and non-relay-related point-to-point unicast communication. The direct communication between devices is a kind of short-distance service. Before the terminal performs the process of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/80H04W4/70H04W72/04
CPCH04W4/70H04W4/80H04W72/21H04W72/23H04W28/0278
Inventor 高兴航徐伟杰潘振岗
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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