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Rate control method and system for mobile network backhaul wireless terminal access point

A mobile network and wireless terminal technology, applied in the field of communication, can solve problems such as packet loss, and achieve the effect of avoiding packet loss and ensuring communication quality

Active Publication Date: 2019-02-19
GCI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to address the limited capacity of the wireless backhaul channel and the traditional WLAN network only considers the change of communication quality on the access side for rate adjustment, which may easily cause packet loss. Factors of rate control method for wireless terminal access points

Method used

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  • Rate control method and system for mobile network backhaul wireless terminal access point
  • Rate control method and system for mobile network backhaul wireless terminal access point
  • Rate control method and system for mobile network backhaul wireless terminal access point

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Embodiment 1

[0014] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0015] see figure 1 , which is a flow chart of a rate adjustment method for a mobile network backhaul wireless terminal access point of the present invention. A rate adjustment method for a mobile network backhaul wireless terminal access point, comprising the steps of:

[0016] S10: Obtain the channel capacity C that can be carried by the mobile network on the backhaul side and the equivalent channel capacity C of the current rate on the access side eff , and get the current time t m and the previous moment t m-1 Access quality metric information on the access side, where the access quality metric information at least includes received signal strength RSS and packet error rate PER.

[0017] Wherein, the mobile network may be a mobile communication network ...

Embodiment 2

[0056] The execution steps and system of this embodiment are the same as those of the first embodiment, and the difference lies in that the access rate of the access side is adjusted in the form of a rate window.

[0057] see Figure 5 , which is a method for adjusting the rate of a mobile network backhaul wireless terminal access point according to the present invention, and a diagram of an adjustment method on the access side of the wireless terminal access point of the system.

[0058] The access rate of the access side is adjusted in the form of a rate window, and the accessible rates of the access side are sorted. The access rate is used as the current rate of the access side; when reducing the access rate on the access side, move the rate window in the direction of decreasing access rate, and when increasing the access rate on the access side, move the rate window toward the access rate Move in the direction of increasing input rate.

[0059] R1, R2, ..., Rk are the ra...

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Abstract

The invention discloses a rate control method and a rate control system of a post-back wireless terminal access point in a mobile network. The method comprises the steps as follows: obtaining channel capacity C carried by the mobile network located at the post-back side and current rate equivalent channel capacity Ceff of access side, and obtaining accessing quality measurement information of the accessing side at current moment tm and last moment Tm-1, wherein the accessing quality measurement information at least comprises received signal strength RSS and packet error rate PER; comparing the channel capacity C carried by the mobile network located at the post-back side with the current rate equivalent channel capacity Ceff of the access side, reducing the access rate of access side if the current rate equivalent channel capacity Ceff of the access side is more than or equal to the channel capacity C carried by the mobile network located at the post-back side. The method and the system of the invention will consider the channel capacity of the mobile network located at the post-back side while adjusting the access rate of the access side to enable the rate of access side and the rate of the post-back side to match with each other so as to avoid a packet loss condition because of overlarge rate of the access side to enaure the communication quality.

Description

【Technical field】 [0001] The present invention relates to the field of communication technologies, and in particular, to a rate control method and system for a wireless terminal access point whose backhaul side is a mobile network. 【Background technique】 [0002] Mobile networks include network services provided by various communication standards such as 2G, 3G, and 4G. In recent years, LTE (LongTerm Evolution: Long Term Evolution technology) has developed very rapidly. With the maturity of LTE technology and the issuance of 4G licenses, more and more LTE user terminal products have appeared in the market, including LTE smart phones, LTE routers, USB network cards, LTE-capable tablets, notebooks, Femtocells (flying cells) , PC (Personal Computer: personal computer) data card. Although there are many types of LTE terminals, the most common one is the LTE wireless terminal access point that uses WiFi access on the access side and LTE technology on the backhaul side. It supp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
Inventor 容荣梁辉
Owner GCI SCI & TECH