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Data transmission method and device

A data transmission method and a technology of a data transmission device, which are applied in the field of communication, can solve problems such as no multiple nodes sharing a carrier, and achieve the effects of reducing waste of resources and improving transmission performance

Active Publication Date: 2016-07-27
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a data transmission method and device to at least solve the problem in the related art that multiple nodes do not share the carrier

Method used

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  • Data transmission method and device
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  • Data transmission method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0122] Figure 7 is a schematic diagram of a data transmission method according to an embodiment of the present invention, such as Figure 7 As shown, N (N=4) second-type nodes are combined to form a third-type virtual node with multi-carrier capability, and the above-mentioned N second-type nodes have M1, M2, ... M N carrier capability, the above-mentioned third type of node has equal to M=M1+M2+...+M N A carrier-capable node.

[0123] Optionally, the above-mentioned third type of virtual node is an aggregation node, which aggregates different nodes in units of component carriers, thereby forming a composite node, such as: enhanced carrier capability, enhanced processing capability, enhanced connection scheme, etc. .

Embodiment 2

[0125] Figure 8 is a schematic diagram (1) of a data transmission method according to an embodiment of the present invention, such as Figure 8 As shown, N (N=2) second-type nodes are combined to form a third-type node with multi-carrier capability, and the second-type node 1 and the second-type node 2 each have the capability of one carrier (M1=M2 =1), the second type node 1 and the second type node 2 receive the data sent from the first type node on M (M=2) carriers; the above-mentioned second type node 1 will receive the above-mentioned first type The data of the node is then forwarded to the second type node 2 in the third type node.

[0126] The data transmission between the second type node 1 and the second type node 2 can be transmitted by wireless communication or wired communication.

Embodiment 3

[0128] Figure 9 is a schematic diagram (2) of a data transmission method according to an embodiment of the present invention, such as Figure 9 As shown, N (N=2) second-type nodes are formed into a third-type node with multi-carrier capability, wherein the second-type node 2 with new-type carrier capability receives signals from one or more first-type nodes Sending data on a carrier of a new type; the node 2 of the second type forwards the received data of the node of the first type to the node 1 of the second type in the node of the third type.

[0129] The data transmission between the second type node 1 and the second type node 2 can be transmitted by wireless communication or wired communication.

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Abstract

The invention discloses a data transmission method and device. The method comprises the following steps: N second type nodes form third type nodes, and N is a positive integer greater than or equal to 2; data transmission is conducted in a network formed by the second type nodes, the third type nodes and fist type nodes. The data transmission method and device help solve a problem that carrier wave sharing among a plurality of nodes cannot be realized, carrier wave sharing among devices can be realized, resource waste can be reduced, and overall network transmission performance is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data transmission method and device. Background technique [0002] In wireless communication technology, when the first type of node, such as an evolved base station (E-UTRANNodeB, referred to as eNB) uses multiple antennas to transmit data, it can adopt multi-carrier transmission to increase the data transmission rate, that is, in the first type A node uses multiple carriers to transmit different data, and a second type of node, such as user equipment (User Equipment, UE for short), also uses multiple carriers to receive data. When multiple users have services, the base station can allocate different carrier resources to different users, and multiple users can be scheduled and receive data on different carriers; when only a single user has services, the base station can allocate all carriers For the same user, this user alone occupies the physical resources allocated to the...

Claims

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L5/0023H04L5/0037H04L5/0058H04L5/0091H04L41/0893H04W76/14H04W40/04H04W40/12H04L45/46Y02D30/70H04W72/51H04L41/0895H04L65/1096H04W72/12
Inventor 李儒岳戴博谢峰郝鹏
Owner ZTE CORP
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