Anti-interference frequency hopping method for power wireless private network
A wireless private network and frequency hopping technology, applied in electrical components, transmission monitoring, transmission systems, etc., can solve the time interval, coding segment interference, difficulty in determining frequency hopping sets, affecting the communication quality and data flow of the power private network system, etc. To achieve the effect of reducing adjacent frequency interference, improving anti-interference frequency hopping capability, and optimizing channel resource utilization
Active Publication Date: 2019-06-14
成都中科微信息技术研究院有限公司
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Problems solved by technology
This coexistence of multiple systems will inevitably cause interference in a certain space area, frequency range, time interval, and coding segment, which seriously affects the communication quality and data flow of the power private network system, and also affects the determination of the frequency hopping set. brings difficulties
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[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0018] Refer to figure 1 The anti-interference frequency hopping method of the electric power wireless private network in the embodiment of the present invention includes:
[0019] S1: Obtain user equipment (User Equipment, UE) signal strength, SRS (Sounding Reference Signal, channel sounding reference signal) and uplink interference probability, and obtain user equipment CRS (Cell Reference Signal, cell reference signal), CQI (Channel Qual...
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The invention discloses an anti-interference frequency hopping method for a power wireless private network. According to the method, the channel quality and the channel interference probability are combined to calculate the comprehensive quality of the channel. The threshold value of the uplink / downlink channel interference probability and the threshold value of the channel quality are adaptivelyand optimally set and adjusted according to the service demand of a user, the uplink channel can be used and added into an uplink frequency hopping set only when the uplink interference probability issmaller than the uplink interference threshold value and the comprehensive quality of the uplink channel is larger than the uplink quality threshold value, and otherwise, the uplink channel is rejected. Only when the downlink interference probability is less than the downlink interference threshold and the downlink channel comprehensive quality is greater than the downlink quality threshold, thedownlink channel can be used and added into the downlink frequency hopping set, otherwise, the downlink channel is eliminated. According to the method, the channel comprehensive quality of the frequency hopping set can be improved, same-frequency interference can be avoided, adjacent-frequency interference is reduced, the channel resource utilization rate is optimized, and the anti-interference frequency hopping capability of the power private network is improved.
Description
Technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an anti-interference frequency hopping method for a power wireless private network. Background technique [0002] The electric power wireless private network system is a wireless private network communication system that works in the 223-230MHz frequency band. It uses frequency hopping technology as an anti-interference measure to meet its distribution network automation, load management, power consumption information collection, smart grid user equipment services, and emergency repairs , The business needs of the six major areas of video surveillance in special areas. [0003] Frequency hopping communication is a kind of spread spectrum communication, which means that the carrier frequency is hopped in a certain pattern (sequence) within a wide frequency band. The variable frequency synthesizer that generates the frequency hopping carrier is controlled by a pseu...
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IPC IPC(8): H04B1/715H04B17/318H04B17/345H04B17/382H04B17/309
Inventor 卜智勇
Owner 成都中科微信息技术研究院有限公司