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Uplink data transmission method, wireless communication node and terminal

A technology of a wireless communication node and a transmission method, applied in the field of wireless communication nodes and terminals, can solve the problems that the terminal cannot send uplink data by the first wireless communication node, and the terminal cannot receive resource allocation information.

Active Publication Date: 2018-10-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the terminal is not within the downlink coverage of the first wireless communication node, the terminal cannot receive the resource allocation information sent by the first wireless communication node on the downlink, so that the terminal cannot send uplink information to the first wireless communication node. data

Method used

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  • Uplink data transmission method, wireless communication node and terminal
  • Uplink data transmission method, wireless communication node and terminal
  • Uplink data transmission method, wireless communication node and terminal

Examples

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Embodiment 1

[0176] Based on the above scenario, an embodiment of the present invention provides a method for transmitting uplink data, the method is executed by the first wireless communication node, such as figure 2 As shown, the first wireless communication node is the uplink serving node of the terminal, and the second wireless communication node is the downlink serving node of the terminal. The method includes:

[0177] 201. The first wireless communication node obtains resource block allocation information for the terminal to send uplink data to the first wireless communication node, where the resource block allocation information is used to instruct the terminal to send uplink data to the first wireless communication node A fixed resource block used by data.

[0178]The first wireless communication node may determine, according to the quality of service (Quality of Service, QoS) of the service in the evolved radio access bearer (Evolution-RadioAccess Bearer, E-RAB) of the terminal,...

Embodiment 2

[0199] Based on the above scenario, an embodiment of the present invention provides a method for transmitting uplink data, the method is executed by the second wireless communication node, such as image 3 As shown, the method includes:

[0200] 301. The second wireless communication node obtains resource block allocation information for the terminal to send uplink data to the first wireless communication node.

[0201] Wherein, the resource block allocation information is used to indicate a fixed resource block used by the terminal to send uplink data to the first wireless communication node, and the second wireless communication node is a downlink serving node of the terminal, so The first wireless communication node is an uplink serving node of the terminal.

[0202] The second wireless communication node determines resource block allocation information for the terminal to send uplink data to the first wireless communication node according to the bandwidth of the first wir...

Embodiment 3

[0218] Based on the above scenario, an embodiment of the present invention provides a method for transmitting uplink data, where the subject of execution of the method is a terminal, such as Figure 4 As shown, the method includes:

[0219] 401. The terminal receives resource block allocation information sent by the second wireless communication node for the terminal to send uplink data to the first wireless communication node, where the resource block allocation information is used to instruct the terminal to send uplink data to the first wireless communication node. Fixed resource blocks used by nodes to send uplink data.

[0220] Wherein, the first wireless communication node is an uplink communication node of the terminal, and the second wireless communication node is a downlink communication node of the terminal.

[0221] After the second wireless communication node obtains the resource block allocation information of the uplink data sent by the terminal to the first wir...

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Abstract

Disclosed are an uplink data transmission method, a wireless communications node, and a terminal, so that a terminal which is not in an uplink coverage of a first wireless communications node can send uplink data to the first wireless communications node. The method comprises: a first wireless communications node and a downlink serving second wireless communications node of a terminal obtaining resource block allocation information for sending, by the terminal, uplink data to the first wireless communications node, the resource block allocation information comprising uplink scheduling authorization, and the uplink scheduling authorization comprising a resource block allocation and modulation and coding solution; the first wireless communications node reserving a resource block for the terminal according to resource block allocation of the resource block allocation information; and the first wireless communications node receiving the uplink data sent by the terminal on the reserved resource block. The present invention relates to the field of communications.

Description

technical field [0001] The present invention relates to the communication field, in particular to a transmission method for uplink data, a wireless communication node and a terminal. Background technique [0002] In the uplink and downlink separation technology, when the terminal receives downlink data, it selects the cell corresponding to the maximum received power of the downlink signal as the serving cell; when the terminal transmits uplink data, it selects the cell corresponding to the smallest uplink path loss. The cell acts as its own serving cell. Therefore, when the terminal and the network side transmit uplink and downlink data, in order to maximize the received power of the downlink signal and minimize the uplink path loss, the uplink and downlink separation technology is adopted, and the service selected when the terminal and the network side transmit uplink data The first wireless communication node to which the cell belongs may be different from the second wire...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/12
Inventor 蔺波赵超
Owner HUAWEI TECH CO LTD
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