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A resource scheduling method based on multi-level mapping in high-speed mobile environment

A technology of high-speed mobility and resource scheduling, applied in the field of resource scheduling based on multi-level mapping, can solve problems such as poor service quality, and achieve the effect of improving utilization

Inactive Publication Date: 2017-12-22
SHANGHAI RES CENT FOR WIRELESS COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Considering the popularization of the future network and the increase of users, in the case of high load of the access system, the above scheduling mechanism has a great disadvantage in ensuring the service quality of users

Method used

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  • A resource scheduling method based on multi-level mapping in high-speed mobile environment
  • A resource scheduling method based on multi-level mapping in high-speed mobile environment
  • A resource scheduling method based on multi-level mapping in high-speed mobile environment

Examples

Experimental program
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Embodiment 1

[0070] The present invention considers the symmetric service types, that is, the upstream and downstream industries have the same Qos requirements. This embodiment takes the user uplink service as an example to provide a resource scheduling method based on multi-level mapping in a high-speed mobile environment. Such as figure 2 As shown, the specific implementation process includes:

[0071] S1, complete the first-level scheduling on the first-level link; the first-level scheduling is to use the queue buffer pool of the 2G / 3G / WiFi end at the 2G / 3G / WiFi end, and the queue buffer pool of the 2G / 3G / WiFi end is used for caching The 2G / 3G / WiFi service data transmitted on the first-level link, and then perform QCI virtual resource mapping on the cached data, and perform the first priority sorting on the 2G / 3G / WiFi service data obtained after mapping Afterwards, the 2G / 3G / WiFi service data is finally converted into TD-LTE data, that is, at the 2G / 3G / WiFi end of the first-level link...

Embodiment 2

[0130] This embodiment provides a resource scheduling method based on multi-level mapping in a high-speed mobile environment. The difference between this embodiment and Embodiment 1 lies in the resource reservation mechanism adopted when two high-speed trains meet, that is, when the trains are transmitting information At the same time, report the size of the business volume of their respective vehicles. When the ground base station finds that two high-speed trains are about to merge, it adaptively allocates bandwidth resources according to the traffic demands of the two trains and notifies the locomotive antenna.

[0131]A resource scheduling method based on multi-level mapping in a high-speed mobile environment described in the present invention is suitable for personnel base station areas or high-speed trains in remote areas. In these areas, since optical cables cannot be laid, wireless relay methods can be deployed on a large scale. access. The present invention uses TD-LT...

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Abstract

The present invention provides a resource scheduling method based on multi-level mapping in a high-speed mobile environment. The method includes completing the first-level scheduling on the first-level link; using the queue buffer of the 2G / 3G / WiFi end on the 2G / 3G / WiFi end The pool caches the 2G / 3G / WiFi service data transmitted on the first-level link; then the cached data is mapped to QCI virtual resources, and the obtained 2G / 3G / WiFi service data is prioritized for the first time after mapping , and finally convert the 2G / 3G / WiFi service data into TD-LTE data; complete the second-level scheduling on the second-level link; use the queue buffer pool of the TD-LTE side to cache on the second-level link at the TD-LTE end The transmitted TD-LTE data, and then according to the QCI attribute of the TD-LTE end, perform a second priority sorting on the TD-LTE data, and put the data with the highest priority in the first place for transmission. The present invention utilizes 2G / 3G / WiFi as the short-distance user access technology and TD-LTE as the long-distance transmission channel to ensure the reasonable allocation of resources for all services of all users, especially the resource allocation of high-priority services. At the same time take into account the low-level business.

Description

technical field [0001] The invention belongs to the technical field of mobile broadband wireless communication, and relates to a resource scheduling method, in particular to a resource scheduling method based on multi-level mapping in a high-speed mobile environment. Background technique [0002] In the field of mobile broadband wireless communication technology, resource scheduling algorithms can be applied to large-scale broadband access in areas where optical cables cannot reach and large-scale wireless access to real-time services in high-speed mobile environments, such as remote villages, mountainous areas, areas with severe shadow fading, and High-speed trains, etc. Currently existing resource scheduling algorithms include round-robin algorithm, maximum load-to-interference ratio algorithm, and proportional fairness algorithm. They all balance the throughput and fairness of the network to achieve the optimization of system performance. [0003] 1. Round Robin (RR) ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/14H04W28/26H04W72/12
Inventor 高卉欧阳玉玲胡宏林
Owner SHANGHAI RES CENT FOR WIRELESS COMM
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