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Data communication method, system and device

A data communication and data technology, applied in the field of communication, can solve the problem of large amount of data in small packets

Active Publication Date: 2015-06-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

MTC service requirements mainly include: data services are the mainstay, and small-packet data transmission is performed once, but the number of small-packet data is large, etc.

Method used

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  • Data communication method, system and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] Provide a data communication method, mainly a communication method for user equipment, such as a communication method for user equipment supporting machine communication, applied to such as Figure 1a or Figure 1b As shown in the data communication system, the Figure 1a The system shown includes a first base station where the serving cell of the user equipment is located, a base station management unit, and a second base station, where the second base station is the base station where at least one coordinated cell of the user equipment is located, wherein the base station management unit can manage The information of the first base station and each second base station, such as resource scheduling information, can connect the communication between the first base station and the second base station. And the base station management unit is a device independent of each base station.

[0093] exist Figure 1b The system shown includes a first base station where the servin...

Embodiment 2

[0122] A data communication method is also provided, which is mainly a communication method for user equipment supporting data communication, which can be applied to the above-mentioned Figure 1a and 1b In the data communication system shown, this embodiment is a method executed by the user equipment described in the first method embodiment above, and the flow chart is as follows Figure 4 shown, including:

[0123] Step 201: Receive the physical broadcast channel information sent by the first base station where the user equipment is located in the serving cell of the user equipment, the physical broadcast channel information includes the index numbers of multiple preamble groups available in the current cell, and the index numbers are used for The resource scheduling information of the user equipment corresponding to the preamble group is indicated, and each preamble in the same preamble group corresponds to the same resource scheduling information.

[0124] Step 202, selec...

Embodiment 3

[0134] Also provides a data communication method, mainly used in such as Figure 1a and 1b In the data communication system shown, it is a communication method for user equipment performing data communication. This embodiment is a method performed by the second base station where the coordinated cell of the user equipment described in the first method embodiment is located. The flowchart is as follows Figure 5 shown, including:

[0135] Step 301, receiving resource scheduling information for data communication of the user equipment sent by the first base station where the user equipment is located in the serving cell.

[0136] Step 302, prohibiting other user equipment from occupying resources corresponding to the resource scheduling information, and sending information allowing scheduling to the first base station, so that the first base station notifies the user equipment to perform data communication on resources corresponding to the resource scheduling information, specif...

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Abstract

The present invention relates to the technical field of communications. Disclosed in an embodiment of the present invention are a data communication method, system and device. A first base station covering a serving cell of a user equipment determines for the UE the resource scheduling information used for data communication in the serving cell, and sends the resource scheduling information to a second base station, the second base station being a base station in a cooperative cell of the UE, so that the second base station prohibits other UEs from occupying resources corresponding to the resource scheduling information; when receiving information of scheduling not allowed returned by the second base station, the first station will send uplink authorization to the UE to allow the UE to perform data communication over the resource corresponding to the above resource scheduling information in the serving cell, thus avoiding conflict of resource occupation by UEs between base stations, achieving interference coordination between base stations, and preventing interference of the data communication of UEs in a cooperative cell to the data communication of UEs in a cell.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data communication method, system and device. Background technique [0002] Data communication can include various types, such as man-made communication and machine communication. Man-made communication means that base stations and other related equipment complete the communication process according to the active request of user equipment. In the process of data communication, the requirements of MTC services for wireless communication networks are very different from those of traditional man-made communication modes, and these differences are mainly reflected in specific service requirements. MTC service requirements mainly include: data services are the mainstay, and small-packet data transmission is performed once, but the amount of small-packet data is relatively large. [0003] Compared with 2G / 3G networks, when the MTC service adopts Long Term Evolution (LT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W74/08H04W48/10
CPCH04W72/20
Inventor 陈拓杨敬
Owner HUAWEI TECH CO LTD
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