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A method and system for transmitting data

A technology for transmitting data and data, which is applied in the field of data transmission, and can solve problems such as high bandwidth, unsatisfactory, and inability to provide processing resources

Active Publication Date: 2019-04-26
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the MeNB in ​​the macro network needs to process a large amount of data, the LPN still cannot provide processing resources
[0004] It can be seen that the coordination work between the MeNB and the LPN in the prior art cannot provide more processing resources by the LPN, and thus cannot ensure that the mobile communication system provides more optimized services, and cannot meet the requirements of higher bandwidth, better performance, and lower construction costs. Cost of web development needs

Method used

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  • A method and system for transmitting data
  • A method and system for transmitting data
  • A method and system for transmitting data

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] Macro base stations and low-power nodes are deployed in the network. These two base stations form the access network of the system architecture of the present invention. In this embodiment, MeNB and LPN are used as the main control node and distribution node respectively for description.

[0106] Specifically, in the downlink data transmission, the offload management function module in the MeNB is used to formulate offload policies, control offload transmission traffic, and offload the downlink data sent from the core network, send the offload data to the LPN, and the remaining data directly send to UE;

[0107] After the LPN reprocesses the received offload data, it transmits the offload data to the UE through the offload link;

[0108] The UE receives the data packet received by the MeNB on the wireless link with each access node, and performs joint processing on it.

[0109] Wherein, the offload management module is specifically used to select an LPN corresponding t...

Embodiment 2

[0121] Embodiment 2 is the same as the deployment scenario and system architecture of Embodiment 1. During the transmission of AM data, the receiving end needs to feed back the success / failure of data packet reception to the sending end in the form of a status report. Under the system architecture of the present invention, for downlink data, the UE can feed back status reports to all access nodes; for uplink data, the status reports fed back by the base station to the accessed UEs can include all data pack.

[0122] Specifically, for downlink data, on the basis of existing technologies, the processing of status reports also requires:

[0123] As the receiving end of AM data, when the UE feeds back the status report, the RLC entity of the UE carries the success / failure information of all data packets (regardless of which link) received within a certain period of time in the status report and sends it to all connected to the node.

[0124] still as Figure 10 For example, th...

Embodiment 3

[0135] The third embodiment is the same as the deployment scenario and system architecture of the first embodiment. During the transmission of AM data, for downlink data, the UE can synthesize the success / failure information of data packets received from each access base station, and only feed back a status report to the master control node (MeNB); for uplink data, The MeNB can synthesize the data packets received on the wireless link and the data packets transmitted from the distribution node (LPN) on the X3 interface, and then carry the result in the status report fed back to the UE.

[0136] Specifically, for downlink data, on the basis of existing technologies, the processing of status reports also requires:

[0137] As the receiving end of AM data, when the UE feeds back the status report, the RLC entity of the UE carries the success / failure information of all data packets (regardless of which link) within a certain period of time in the status report and sends it to the ...

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Abstract

The invention discloses a data transmission method, comprising: if the downlink data transmission is performed, the master control node divides the downlink data at the radio link control (RLC) sublayer to obtain a divided data packet, and sends the divided data packet to the corresponding distribution node; the distribution node processes the received distribution data packet, and sends the processed data packet to the corresponding user equipment (UE); if the uplink data transmission is performed, the master control node sends the distribution node The incoming data packets and the data packets sent by the UE are aggregated and sent to the core network. The invention also discloses a data transmission system, and the mobile communication system can provide more optimized service, higher bandwidth and better performance by adopting the invention.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and system for transmitting data. Background technique [0002] With the continuous evolution of wireless communication technology and protocol standards, the mobile packet service has undergone tremendous development, and the data throughput capability of a single terminal has been continuously improved. Due to the explosive growth of terminal data traffic, the service capabilities and deployment strategies of mobile communication networks are facing enormous pressure and challenges. On the one hand, operators need to enhance existing network deployment and communication technologies, and on the other hand, they hope to accelerate the promotion of new technologies and network expansion, so as to achieve the purpose of rapidly improving network performance. With the development of mobile communication systems up to now, it has become increasingly difficult to provide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W72/00
CPCH04W28/0205H04W40/04H04W28/0864H04W40/02
Inventor 王昕和峰韩立锋
Owner ZTE CORP
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