64 results about "Atmospheric waveguide" patented technology

The embodiment of the invention discloses a communication method and a communication device. The method comprises the steps that a first base station can send first information to a second base station through a core network after determining that the first base station is affected by the atmospheric waveguide interference of the second base station, so as to inform the first base station that thefirst base station generates the atmospheric waveguide interference to the second base station. After the first base station determines that the first base station is interfered by the atmospheric waveguide of the second base station; a second base station is notified in a wired link mode; specifically, first information can be sent to a second base station through a core network, therefore, thereceiving of the first information by the second base station is not easily influenced by the natural environment, so that the success rate of receiving the message sent by the first base station by the second base station can be improved, the second base station can timely perform corresponding interference prevention, and the success rate of eliminating atmospheric waveguide interference can befurther improved.

The invention discloses an atmospheric waveguide parameter estimation method based on DNN, and the method comprises the steps: extracting the attenuation features of a signal in an atmospheric waveguide through a DNN network, converting a parameter estimation problem into a DNN network feature extraction problem, and finding out the mapping relation between radio wave signal attenuation and atmospheric waveguide parameters at different distances; establishing a propagation model of the X-band signal in the atmospheric waveguide, taking power sampling points at different distances as input, andperforming atmospheric waveguide parameter estimation through a radio wave signal of a sparse frequency point so as to achieve atmospheric waveguide parameter estimation of continuous frequency. According to the method, the defects of low precision and long consumed time of numerical calculation can be overcome, an accurate prediction result can be obtained at a relatively long distance, and furthermore, a continuous frequency estimation result can be obtained by utilizing sparse point frequency training.

The invention provides an interference suppression method, system and device and a computer readable storage medium, and relates to the technical field of wireless communication. The interference suppression method comprises the following steps that: a disturbed base station performs interference detection by using a synchronization signal sent by an interference application base station; the disturbed base station reads the identifier of the interference application base station, and determines the propagation time delay from the interference application base station to the disturbed base station according to the position of the related peak value obtained by interference detection; the disturbed base station sends propagation time delay from the interference application base station to the disturbed base station to the disturbed base station according to the identifier of the interference application base station; the interference application base station determines a interference application base station downlink time slot causing interference to the disturbed base station uplink time slot according to the propagation time delay; and the interference application base station sets the OFDM symbol in the downlink time slot of the interference application base station as a protection time slot. The atmospheric waveguide interference in the TDD mobile communication system can besuppressed, so that the operation efficiency and the user experience of the TDD mobile communication system are improved.

The embodiment of the invention provides an interference control method and a device, a message sending method and a device, a message forwarding method and a device, communication equipment and a system. A reference signal sent by the victim base station has an addressing identifier; the addressing identifier corresponds to routing information of the victim node group; therefore, when the attacker base station monitors the reference signal, the attacker node group can send a response message to the victim node group according to the addressing identifier, so that the victim base station in the victim node group can determine that the attacker base station has received the reference signal sent by itself according to the response message, and then other processes of atmospheric waveguide interference control are continued. The attacker base station side sends the message to the victim base station side so as to inform the victim base station that the attacker base station has monitoredthe reference signal, so that the victim base station can continue to cooperate with the attacker base station to carry out the subsequent process of atmospheric waveguide interference control, and the implementation of atmospheric waveguide interference control is facilitated.

The invention provides a method, a device, equipment and a medium for positioning far-end interference, and the method comprises the steps: obtaining an unknown adjacent cell, the distance between which and a base station is greater than a preset threshold value, according to an ANR (Automatic Neighbor Relation) process under the condition that a far-end interference characteristic signal is detected; and executing a process of performing remote interference management RIM on the unknown neighbor cell. According to the scheme of the invention, the automatic neighbor relation ANR process is added before the remote interference management RIM process is executed, the unknown neighbor of which the distance to the base station is greater than the preset threshold value is obtained, the remote interference caused by the atmospheric waveguide is discovered and positioned in an assisted manner, the number of the base stations for monitoring and sending the configuration reference signal RS managed by the OAM system is reduced, and the monitoring efficiency of the remote interference caused by the atmospheric waveguide is improved. The management overhead of the OAM system can be saved, and the power consumption of the base station can be reduced.

The invention discloses a method, device, equipment and medium for determining atmospheric waveguide interference. The method includes: obtaining the user's preset field control plane and recording XDR data in the whole business process of the user plane; slicing the XDR data according to the preset duration granularity, and determining the sliced ​​XDR data and the key performance corresponding to the XDR data Indicator KPI; use the preset calculation formula to make statistics on the sliced ​​XDR data and KPI, and use the statistical results as the original slice characteristics of the XDR data; determine whether the user is interfered by the atmospheric waveguide according to the original slice characteristics. According to the embodiments of the present invention, it is possible to improve the accuracy of identifying users who are interfered by the atmospheric waveguide.

Embodiments of the present invention provide a signal transmission method and device, the method comprising: sending a first reference signal, the first reference signal indicating: the first network device is subject to far-end interference; receiving a second reference signal, The second reference signal indicates whether the atmospheric ducting phenomenon exists. In the embodiment of the present invention, by using the second reference signal indicating the presence of far-end interference, it can accurately determine whether the factors causing the far-end interference disappear, and effectively avoid the ping-pong effect in the far-end interference processing.

The invention relates to a base station interference elimination method and a base station interference elimination device based on a time slot. The base station interference elimination method comprises steps that interference information of a base station is acquired, and the interference mode of the base station is determined; according to the interference mode, the protection symbol of the special time slot of the base station under interferences is adjusted. By improving the setting way of the protection time slot, a proportion among a downlink time slot, a protection time slot, and an uplink time slot of a special sub-frame is adjusted flexibly and automatically under consideration of both of an uplink capacity and a downlink capacity in atmospheric duct. The condition of the uplinksub-frame of the base station under the interferences is analyzed accurately, and the uplink business volume and the downlink business volume of a station are determined at the same time, the optimalproportion of the special sub-frame is calculated, and at the same time, adjustment of a special time slot of an interference source base station is additionally provided, and therefore interference effect under the atmospheric duct effect is eliminated more comprehensively, and user perception is improved.

The present disclosure provides a method (300) in a network device for identifying a source of interference propagating through an atmospheric duct. The method includes: determining (S310) a set of interferer candidates; allocating (S320) a random access resource to each interferer candidate in the set; receiving (S330) from each interferer candidate in the set taking measurements obtained by receiving random access from other interferer candidates in the set; and identifying (S340) based on the measurements whether any interferer candidate in the set is a source of interference propagating through the atmospheric duct.