CN109283563B - Method for enhancing air-left navigation/communication integrated service - Google Patents
Method for enhancing air-left navigation/communication integrated service Download PDFInfo
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- CN109283563B CN109283563B CN201811226893.6A CN201811226893A CN109283563B CN 109283563 B CN109283563 B CN 109283563B CN 201811226893 A CN201811226893 A CN 201811226893A CN 109283563 B CN109283563 B CN 109283563B
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- aircraft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A method for enhancing a blank navigation/communication integrated service belongs to the technical field of communication engineering. The method is characterized in that a relay is provided between a busy cell and an idle cell through a high-directivity relay signal, and meanwhile, the aircraft realizes high-precision navigation enhancement service by utilizing the direction-finding and distance-measuring performance of the high-directivity relay signal. The method specifically comprises the following steps: the aircraft carries a GNSS receiver, signal access equipment of a traditional ground base station and one or more groups of high-directivity signal transceiving equipment, so that communication access service is provided for an area with deficient communication resources, and a relay is provided between a busy area and an idle area (cell) through a high-directivity signal, so that the received communication service is transferred to the ground base station equipment with low telephone traffic; meanwhile, the aircraft realizes high-precision navigation enhancement service for users. The method has the advantages that the direction finding and distance measuring performance of the high-directivity relay signal can be utilized, the network load is optimized, and meanwhile, the high-precision navigation enhancement service is realized.
Description
Technical Field
The invention belongs to the technical field of communication engineering, relates to mobile communication network and satellite positioning enhancement, in particular to a blank base station device, and provides a blank navigation/communication integrated service enhancement station.
Background
In the radio field, integration of communication and navigation services has become a trend in wireless communication networks. From a communication point of view, public mobile communication networks are constructed in such a way that capacity is designed according to traffic in a cell. The two-point one-line life style of 'living-working' of the urban residents enables the same area to present different population densities at different times. For example, during off hours, the population is concentrated in populated areas; during working hours, the population is mostly concentrated in working areas such as office buildings, factory buildings and the like; during the morning and evening traffic peaks, the population will concentrate on congested road sections. This makes the traffic load situation of an area different in different time periods. If all areas are designed according to the telephone traffic at the peak value when a network is built, resource waste is inevitably generated. Otherwise, the quality of service in the case of population concentration is reduced.
From the perspective of navigation, the simple GNSS technology has not been able to meet the demands of people in terms of positioning speed and accuracy. The enhanced AGNSS and DGNSS technologies require, on the one hand, support of the communication link and, on the other hand, the reference station to know its exact position. The establishment of AGNSS based on the existing public mobile communication network base station is realized, but for the DGNSS technology, the service range of the public network base station is small, and the establishment cost is too high.
The existing technologies using aircrafts as communication base stations directly access the services received by aircrafts to the public network without considering the construction requirement of navigation/communication integration, and the more densely populated areas need more accurate positioning service to meet new service requirements of intelligent traffic, criminal arrest, anti-terrorism outburst and the like.
Disclosure of Invention
The present invention is to resolve the contradiction between the mobile communication demand and the fixed communication resource, and to provide a location-enhanced service.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for enhancing air-leaving navigation/communication integrated service provides communication access service for areas with deficient communication resources through an aircraft carrying a GNSS receiver, signal access equipment of a traditional ground base station and one or more groups of high-directivity signal transceiving equipment, and provides relay between busy and idle areas (cells) through high-directivity signals to transfer received communication service to ground base station equipment with low telephone traffic. Meanwhile, the aircraft utilizes the direction-finding and distance-measuring performance of the high-directivity relay signal to realize high-precision navigation enhancement service for the user. In the method, the aircraft does not directly access a backbone network, but the traffic of a busy area (cell) is forwarded to an idle area (cell) by using a high-directivity relay signal, and the traffic is accessed to the backbone network by access equipment of the idle area (cell).
The ground base station equipment is signal receiving and transmitting equipment with high directivity added on the basis of the traditional ground base station, the equipment only exists as a radio frequency link, the service of the equipment is accessed as the service of the traditional cell, and the capacity of the cell is not increased.
The aircraft can be an unmanned aerial vehicle or an unmanned airship. The communication network management center assigns the aircraft to an area with higher telephone traffic and higher call failure rate according to the monitoring condition of the telephone traffic, and specifies a group of ground base stations with low telephone traffic to be matched with the ground base stations. After the aircraft arrives at a service area, the aircraft serves as a relay, the communication service received by the aircraft is forwarded to the ground base station with low telephone traffic, a communication link is established with the ground base station with low telephone traffic through the signal transceiving equipment with high directivity, and the ground base station accesses the service to a backbone network.
The high-directivity signal transceiving equipment comprises laser communication equipment, a high-gain antenna and the like.
The aircraft provides high-precision navigation enhancement service for user groups, the precise positioning of the aircraft is completed through ranging and lateral functions brought by high-directivity signals, the GNSS positioning data carried by the aircraft are compared and corrected based on the position information, and the comparison and correction result is sent to surrounding receivers, so that the GNSS service enhancement is realized for users in the coverage area of the aircraft. The method comprises the following specific steps:
firstly, measuring the relation between the direction and the included angle between the ground base station with low telephone traffic and the aircraft in real time according to the directivity of the signal with high directivity;
secondly, carrying out real-time TOA ranging by utilizing a synchronization signal of high-directivity relay communication in the relay process of the aircraft to obtain the distance relation between the ground base station with low telephone traffic and the aircraft;
and finally, according to the relation between the included angle and the distance, the position information of the aircraft is calculated in real time. The specific solution method may use conventional AOA and triple sphere intersection methods. And according to the position information of the aircraft, the aircraft is used as a reference station of AGNSS and DGNSS technologies, and navigation enhancement services are provided for a dense user group below the aircraft.
The method has the advantages that the direction-finding and distance-measuring performance of the high-directivity relay signal can be utilized, the network load is optimized, and meanwhile, the high-precision navigation enhancement service is realized.
Drawings
Fig. 1 is a system composition diagram.
In the figure: 1 an aircraft body; 2, GNSS satellites; 3, GNSS signals; 4, a backbone network; 5 communication network management center; 6 an aircraft control station; 7 aircraft control signals; 8 communicating the relay signal; 9 GNSS assistance augmentation signals; 10 areas with high telephone traffic; 11, user access signal; 12 in the area with low traffic.
Detailed Description
The following detailed description of the embodiments of the invention refers to the accompanying drawings.
A method for enhancing an air-left navigation/communication integrated service comprises the following steps:
1) the unmanned airship is adopted as the aircraft body 1, the unmanned airship carries signal access equipment (including GNSS receivers and signal access equipment of traditional ground base stations) and laser communication equipment of the traditional base stations, and laser receiving and transmitting equipment is added on the basis of the traditional ground base stations. The laser communication equipment is used as signal transmitting and receiving equipment with high directivity. The aircraft body 1 is provided with a GNSS receiver and signal access equipment of a traditional ground base station, and can provide access service for users like the traditional ground base station.
2) The communication network management center 5 sends an aircraft control signal 7 through an aircraft control station 6 according to the traffic situation, and sends the unmanned airship to an area 10 with high traffic and a high call failure rate. And a set of terrestrial base stations for the lower traffic areas 12 are assigned.
3) After the unmanned airship reaches a service area, a communication link is established with ground base station equipment with low telephone traffic through high-directivity signal transceiving equipment. The aircraft acts as a relay, relaying the traffic it receives to a ground base station with low traffic via a traffic relay signal 8, and accessing this service to the public network backbone 4 by the ground base station.
4) Aircraft providing navigation enhancement services to user groups
4.1) measuring the relation between the direction and the included angle between the ground base station and the aircraft in real time according to the rotation angles of the laser heads on the unmanned airship and the ground base station.
And 4.2) in the relay process, TOA ranging can be carried out in real time by using a synchronization signal of wireless communication, so that the distance relation between the ground base station with low telephone traffic and the aircraft is obtained.
And 4.3) calculating the real-time position information of the aircraft according to the relation between the included angle and the distance. The specific solution method may use conventional AOA and triple sphere intersection methods.
4.4) according to the position information of the aircraft, the atmospheric time delay error and the like of the GNSS signal 3 sent by the current GNSS satellite 2 are reversely deduced and forwarded to the users in the service area, and the users access the signal 11 to provide DGNSS navigation enhancement service for the dense user group below the users.
The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (8)
1. A method for enhancing air-leaving navigation/communication integrated service is characterized in that the method provides relay between busy and idle cells through signals with high directivity, and an aircraft realizes high-precision navigation enhancement service for users by using direction finding and distance measuring performance of the high-directivity relay signals, and comprises the following specific steps:
the aircraft carries a GNSS receiver, signal access equipment of a traditional ground base station and one or more groups of high-directivity signal transceiving equipment, and provides communication access service for an area with tight communication resources; the communication network management center assigns the aircraft to an area with higher telephone traffic and higher call failure rate according to the monitoring condition of the telephone traffic, and specifies a group of ground base stations with low telephone traffic to be matched with the ground base stations; after the aircraft arrives at a service area, the aircraft serves as a relay, the relay is provided between a busy area and an idle area through a high-directivity signal, the received communication service is transferred to ground base station equipment with low telephone traffic, and the ground base station accesses the service to a backbone network;
meanwhile, the aircraft completes real-time accurate positioning of the aircraft through ranging and direction finding functions brought by high-directivity signals, and the positioning information and GNSS positioning data carried by the aircraft are compared and corrected, and comparison and correction results are sent to surrounding receivers, so that high-precision navigation enhancement service is provided for users in the coverage area of the aircraft.
2. The method of claim 1, wherein the step of providing the high-precision navigation enhancement service to the users in the coverage area comprises the following steps:
firstly, measuring the relation between the direction and the included angle between the ground base station with low telephone traffic and the aircraft in real time according to the directivity of the signal with high directivity;
secondly, carrying out real-time TOA ranging by utilizing a synchronization signal of high-directivity relay communication in the relay process of the aircraft to obtain the distance relation between the ground base station with low telephone traffic and the aircraft;
finally, according to the relation between the included angle and the distance, the position information of the aircraft is calculated in real time; the specific calculation method uses an AOA and a three-ball intersection method; and according to the position information of the aircraft, the aircraft is used as a reference station of AGNSS and DGNSS technologies, and navigation enhancement services are provided for a dense user group below the aircraft.
3. The method of claim 1 or 2, wherein the ground base station device is a signal transceiver device with high directivity added on the basis of a traditional ground base station, and the ground base station device is only used for a radio frequency link.
4. The method for enhancing integrated service of air-break navigation/communication as claimed in claim 1 or 2, wherein the signal transceiver with high directivity comprises a laser communication device and a high gain antenna.
5. The method of claim 3, wherein the highly directional signal transceiver device comprises a laser communication device and a high gain antenna.
6. The method for integrated service enhancement of air-break navigation/communication according to claim 1, 2 or 5, wherein the aircraft is an unmanned aerial vehicle or an unmanned airship.
7. The method of claim 3, wherein the aircraft is an unmanned aerial vehicle or an unmanned airship.
8. The method of claim 4, wherein the aircraft is an unmanned aerial vehicle or an unmanned airship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226893.6A CN109283563B (en) | 2018-10-22 | 2018-10-22 | Method for enhancing air-left navigation/communication integrated service |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811226893.6A CN109283563B (en) | 2018-10-22 | 2018-10-22 | Method for enhancing air-left navigation/communication integrated service |
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| Publication Number | Publication Date |
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| CN109283563A CN109283563A (en) | 2019-01-29 |
| CN109283563B true CN109283563B (en) | 2022-09-16 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060866B (en) * | 2020-03-16 | 2020-07-07 | 南京万自联电子科技有限公司 | Double-channel wireless communication direction-finding system and direction-finding method thereof |
| CN115955269B (en) * | 2023-03-10 | 2023-06-20 | 北京中天星控科技开发有限公司 | Aircraft communication link wireless transmission system and method based on multi-track combination |
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