A qos guarantee method in electric power wireless communication system

A power wireless communication and coefficient technology, applied in wireless communication, transmission systems, electrical components, etc., can solve the problems of occasional connection failure of beams, reliability ratio affecting communication service quality, affecting communication service quality, etc., to reduce data Effects of loss and retransmission

Active Publication Date: 2021-09-03
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In this case, the sporadic fading in the 10-30GHz frequency band is unavoidable and will inevitably affect the quality of communication services
[0011] Furthermore, as the communication users move or turn around, the channel quality of the service beam will also change, and even lead to occasional beam connection failures. When the number of beams is constant, the user is far away from the beam communication range, or the beam corner affects the link quality Or when the communication user moves, if the original service beam is still used for communication, the quality of communication service may not be guaranteed
In addition, considering that there is still a non-ideal backhaul between LTE MeNB and NR SeNB, the backhaul delay introduced may be tens or even hundreds of milliseconds, and overtime packets are also treated as packet loss or error packets, so it is reliable Sex ratio requirements also affect communication service quality just like delay
[0012] In summary, when users communicate through NR SeNB, high frequency fading or user movement may destroy the communication QoS

Method used

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  • A qos guarantee method in electric power wireless communication system
  • A qos guarantee method in electric power wireless communication system
  • A qos guarantee method in electric power wireless communication system

Examples

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example 1

[0044] Taking the power wireless private network communication system on the 230 frequency band as an example, the wireless power private network communication system may be interfered by other systems or some unforeseen interference. When a user equipment terminal (UE) is working on a carrier, if it receives strong interference, the QoS of the UE may not be guaranteed. The UE needs to perform frequency hopping to switch the operating frequency band to a frequency band with low or no interference. The QoS guarantee coefficient can provide a reference for the UE's frequency hopping scheme and improve the UE's QoS.

[0045]The base station periodically scans the available channel carriers, selects a suitable channel to access, and performs measurement configuration for the UE (it can be periodic measurement or event-triggered measurement); when the measurement result of the UE shows that its When the QoS cannot be guaranteed, the UE will feed back an enhanced QoS status report ...

example 2

[0051] Taking the close interoperability between LTE and NR as an example, the LTE MeNB serves as the primary base station, and the NR SeNB serves as the secondary base station. It is assumed that the communication links between the UE and the LTE MeNB and the NR SeNB have been established, and initially, the quality of the links between the UE and the MeNB or SeNB is good. Therefore, the communication QoS under the two technologies can be guaranteed. However, when fading leads to sudden deterioration of the Signal to Interference plus Noise power Ratio (SINR) of the serving beam or user movement causes the service quality of the beam to degrade, the NR communication QoS cannot be guaranteed. Therefore, it is necessary to optimize the QoS guarantee mechanism to maintain the communication QoS.

[0052] In actual implementation, if one bit is used as the QoS guarantee bit to indicate the QoS guarantee coefficient, different situations can be indicated in the following different...

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Abstract

The present invention relates to a QoS guarantee method in a power wireless communication system, which includes: step S1: maintain a communication connection between a user equipment terminal and a base station through a currently active link; step S2: use the user equipment terminal to communicate with an available channel carrier The channel state is measured, and the QoS guarantee coefficient of the currently activated link is obtained; Step S3: When the QoS guarantee coefficient of the currently activated link is less than the preset QoS guarantee bit, the enhanced QoS state is passed to the user equipment terminal The report message is sent to the base station, wherein the enhanced QoS status report message includes: the QoS guarantee coefficient of the currently activated link and the carrier ID of the alternative channel; step S4, through the base station according to the channel quality of the currently activated link and the QoS guarantee coefficient of the currently activated link, determine the best frequency hopping scheme to enable the user equipment terminal to perform frequency hopping. The invention can effectively guarantee the service quality of the user equipment terminal in the wireless communication system.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a QoS guarantee method in a power wireless communication system. Background technique [0002] At present, there are many kinds of interference in the 230MHz frequency band used by the power wireless communication system, such as the interference caused by the existing 230M digital transmission station; the ultra-high transmission power of military communication, causing strong interference; interference, etc.). The anti-interference scheme for the 230MHz frequency band mainly includes the following technologies: [0003] ·Frequency hopping: Uplink and downlink transmission support inter-channel frequency hopping technology. For low-cost narrowband terminals with limited RF bandwidth, packet frequency hopping technology is supported to reduce mutual interference between power wireless private network and different systems; [0004] ·Flexible dispatch: dispatch th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/24H04W72/08H04B1/7136
CPCH04W28/24H04B1/7136H04W72/541H04W72/543H04W72/542
Inventor 于巧玲王海峰张梦莹周志刚李慧卜智勇陆犇郑敏
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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