CN102122987A - Portable satellite communication system - Google Patents

Portable satellite communication system Download PDF

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Publication number
CN102122987A
CN102122987A CN2011100618231A CN201110061823A CN102122987A CN 102122987 A CN102122987 A CN 102122987A CN 2011100618231 A CN2011100618231 A CN 2011100618231A CN 201110061823 A CN201110061823 A CN 201110061823A CN 102122987 A CN102122987 A CN 102122987A
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China
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portable
channel
communication
satellite communications
main website
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Granted
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CN2011100618231A
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CN102122987B (en
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方华
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NANJING MAIDING TECHNOLOGIES Co.,Ltd.
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NANJING MAIDING TECHNOLOGIES Co Ltd
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Priority to CN201110061823.1A priority Critical patent/CN102122987B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a portable satellite communication system, which comprises a center station and a plurality of portable stations. By adopting the center station, the portable stations and other hardware devices and reasonably matching the hardware devices, the system can adopt the traditional satellite communication system with a single channel per carrier-demand assigned multiple access (SCPC/DAMA) system by a hybrid control mode and has developed technology, and can sufficiently utilize resources of a satellite forwarder. Meanwhile, the portable stations in the system have small volume and light weight, and are convenient for carrying. By adopting the technical scheme, the invention can meet the communication requirement of the following situations: remote and border areas, islands, country, oil fields, mineral areas, finance, transportation, civil aviation, environmental protection, water conservancy, electric power, geology, rescue and relief work, emergency and the like. Furthermore, the portable satellite communication system disclosed by the invention also solves the problems that cable, optical fiber and other wired communication modes cannot cover or be connected whenever and wherever possible, and the wired station has unstable communication quality and single communication service.

Description

The portable satellite communications system
Technical field
The present invention relates to a kind of portable satellite communications system, particularly relate to a kind of portable satellite communications system that forms by a central station and several far-end station.
Background technology
In recent years because the generation of frequent natural calamity such as earthquake, people day by day all increase the demand of satellite communication, though there is the system as ImmarSat, Thuraya available, these systems must use the satellite of appointment and managed by its network management center, can not independent networking operation use.Therefore,, only need to rent certain transponder frequency resource and just can independent networking use, be bound to bring very high society and economic benefit to satellite company if can set up a general satellite communication system.Mix the single channel per carrier of control model-, can make full use of the satellite repeater resource by the satellite communication system technology maturation of demand assignment multiple access (SCPC/DAMA) system, be particularly suitable for outlying district, island, rural area, oil field, mining area, geology and speedily carry out rescue work, the disaster relief, occasion such as meet an urgent need.
In sum, problem demanding prompt solution of the present invention is, set up a general satellite communication system, setting up this general satellite communication system need carry out reasonably combined to the required hardware of this system, so that native system is in the communication requirement that can satisfy following occasion: the outlying district, the island, the rural area, the oil field, the mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carrying out rescue work, the disaster relief, meet an urgent need etc., simultaneously, also need to solve cable, electrical communication modes such as optical fiber can't cover, and can not open whenever and wherever possible and radio set communication quality instability, problems such as communication service is single.
Summary of the invention
Technical problem to be solved by this invention is, a kind of portable satellite communications system is provided, and it can satisfy the communication requirement of following occasion: outlying district, island, rural area, oil field, mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carry out rescue work, the disaster relief, emergent etc.In addition, it can also solve electrical communication modes such as cable, optical fiber and can't cover, and can not open whenever and wherever possible and radio set communication quality instability, the single problem of communication service.
For solving the problems of the technologies described above, basic design of the present invention is: set up a communication network, this network only need arrive satellite company and rent the just independent networking use of energy of certain transponder frequency resource.This network is made up of a central station and several far-end station.Wherein, remote terminal is a kind of portable satellite communication earth station (the following portable station that all is called) of miniaturization, has disposed Traffic Channel, for the user directly provides communication service; Central station also claims main website (the following main website that all claims), is provided with network management center, by the webmaster channel all portable stations in the net is implemented network management and control.In the main website, comprise network management computer, network management channel device and all Traffic Channels that are used to connect portable station.In addition, the supported communication service of the present invention has: speech, data, fax; The network that the present invention forms has the ability that portable station quantity is expanded.
For realizing the basic design of the invention described above, the technical solution used in the present invention is: a kind of portable satellite communications system, this system comprises: a main website and a plurality of portable station, described main website comprises: duplexer, BUC (up-conversion power amplifier), waveguide switch, the intermediate frequency CU common unit, the webmaster channel, network management unit, communication terminal, communication channel, and LNB (low noise block downconverter), wherein, described duplexer is divided into two-way and is connected to described BUC and LNB respectively, wherein one tunnel described BUC (is connected to described intermediate frequency CU common unit, described intermediate frequency CU common unit is connected to described network management unit by each webmaster channel, the described LNB in another road is connected to the intermediate frequency CU common unit, and described intermediate frequency CU common unit is connected to described communication terminal by each communication channel; Described portable station comprises: far-end antenna, duplexer, BUC, LNB, communication equipment and subscriber terminal equipment, wherein, described far-end antenna is connected to described duplexer, described duplexer is divided into two-way and is connected to described BUC and LNB respectively, described BUC and LNB are connected to described communication equipment jointly, and described communication equipment is connected to described subscriber terminal equipment.
Further, in the described portable satellite communications system, described main website also comprises: standby system, this standby system is provided with for the equipment in the described main website is repeated, and can switch between main system and standby system by active and standby switch unit.
Further, in the described portable satellite communications system, described main website also comprises: antenna and antenna servo system, and wherein, described antenna servo system is connected to described antenna, and described antenna is connected to described duplexer.
Further, in the described portable satellite communications system, described main website communicates by webmaster channel device and satellite, and described webmaster channel device and Traffic Channel communicate, and described Traffic Channel and described satellite communicate.
Further, in the described portable satellite communications system, described main website sends network management information with multiple access/method of salary distribution of TDM/PA to each described portable station, described portable station sends feedback information with multiple access/method of salary distribution of ALOHA to described main website, and described webmaster channel device comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel at least.
Further, in the described portable satellite communications system, described Traffic Channel adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station, and in addition, the multi-access mode of described Traffic Channel and the method for salary distribution are FDMA/SCPC/DAMA.
Further, in the described portable satellite communications system, the indoor equipment of described main website adopts 19 inches standard PC cases, and wherein, described intermediate frequency CU common unit adopts the 2U cabinet.
Further, in the described portable satellite communications system, described portable station is by AC adapter or powered battery.
Further, in the described portable satellite communications system, described portable station adopts LCD as display device, and operating state shows on LCD during operate as normal, and this LCD is in closed condition when unattended.
Further, in the described portable satellite communications system, described network management unit comprises: client, application server and database server.
Advantage of the present invention is, the present invention adopts hardware devices such as central station, portable station and these hardware devices has been carried out rational collocation, make it can adopt the existing single channel per carrier that mixes control model-, this systems technology maturation, can make full use of the satellite repeater resource by the satellite communication system of demand assignment multiple access (SCPC/DAMA) system.Simultaneously, the portable station volume in the native system is little, in light weight, is easy to carry.By adopting technique scheme to make the present invention can satisfy the communication requirement of following occasion: outlying district, island, rural area, oil field, mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carry out rescue work, the disaster relief, emergent etc., in addition, the present invention has also solved electrical communication modes such as cable, optical fiber and can't cover, the problem that can not open whenever and wherever possible, radio set communication quality instability, the single problem of communication service.
Description of drawings
Fig. 1 is the topological diagram of network management system in the portable satellite communications of the present invention system;
Fig. 2 is the topological diagram of service transmission system in the portable satellite communications of the present invention system;
Fig. 3 is the equipment composition frame chart of main website in the portable satellite communications of the present invention system;
Fig. 4 is the equipment composition frame chart of portable station in the portable satellite communications of the present invention system;
Fig. 5 is the implementation structure figure of network management system in the portable satellite communications of the present invention system;
Fig. 6 is the communication process between the portable station in the portable satellite communications of the present invention system.
Embodiment
For further disclosing technical scheme of the present invention, be described with reference to the accompanying drawings embodiments of the present invention now:
Fig. 1 is the topological diagram of network management system in the portable satellite communications of the present invention system, Fig. 2 is the topological diagram of service transmission system in the portable satellite communications of the present invention system, Fig. 3 is the equipment composition frame chart of main website in the portable satellite communications of the present invention system, Fig. 4 is the equipment composition frame chart of portable station in the portable satellite communications of the present invention system, Fig. 5 is the implementation structure figure of network management system in the portable satellite communications of the present invention system, wherein, comprise: a main website 120 and a plurality of portable station 130, described main website 120 comprises: duplexer 320, BUC340, waveguide switch, intermediate frequency CU common unit 350, webmaster channel 360, network management unit 370, communication terminal 380, communication channel 390, and LNB300, wherein, described duplexer 320 is divided into two-way and is connected to described BUC340 and LNB300 respectively, wherein one tunnel described BUC340 is connected to described intermediate frequency CU common unit 350, described intermediate frequency CU common unit 350 is connected to described network management unit 370 by each webmaster channel 360, the described LNB300 in another road is connected to intermediate frequency CU common unit 350, and described intermediate frequency CU common unit 350 is connected to described communication terminal 380 by each communication channel 390; Described portable station 130 comprises: far-end antenna 210 duplexers 320, BUC340, LNB300, communication equipment 260 and subscriber terminal equipment 270, wherein, described far-end antenna 210 is connected to described duplexer 320, described duplexer 320 is divided into two-way and is connected to described BUC340 and LNB300 respectively, described BUC340) and LNB300 be connected to described communication equipment 260 jointly, described communication equipment 260 is connected to described subscriber terminal equipment 270, and described communication equipment 260 comprises intermediate frequency equipment 261 and channel terminal equipment 262.
Preferably, as shown in Figure 3, described main website 120 also comprises: standby system, this standby system is provided with for the equipment in the described main website 120 is repeated, particularly, repeat to be provided with following equipment: BUC340, webmaster channel 360 and communication channel 390 in the described main website 120, when situations such as main system breaks down, can between main system and standby system, switch by active and standby switch unit 330; Alternatively, described main website 120 can also comprise: antenna 310 and antenna servo system 311, and wherein, described antenna servo system 311 is connected to described antenna 310, and described antenna 310 is connected to described duplexer 320; Described main website 120 communicates by webmaster channel device 121 and satellite 110, and described webmaster channel device 121 communicates with Traffic Channel 123, and described Traffic Channel 123 communicates with described satellite 110; In addition, described main website 120 sends network management information with multiple access/method of salary distribution of TDM/PA to each described portable station 130, described portable station 130 sends feedback information with multiple access/method of salary distribution of ALOHA to described main website 120, and described webmaster channel device 121 comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel at least.
Preferably, as shown in Figure 2, described Traffic Channel 123 adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station 130, and in addition, the multi-access mode of described Traffic Channel 123 and the method for salary distribution are FDMA/SCPC/DAMA.
Preferably, the indoor equipment of described main website 120 adopts 19 inches standard PC cases, and wherein, described intermediate frequency CU common unit 350 adopts the 2U cabinet; In addition, described portable station 130 mainly is made up of antenna, radio-frequency apparatus, channel cabinet, as Fig. 4, communication equipment 260 parts in the described channel cabinet corresponding diagram 4, this part is portable cabinet, radio frequency part and 0.9 meter antenna are contained in the knapsack, and the antenna of described portable station 130 adopts the split mounting type antenna, and it is portability that a whole set of described portable station 130 is born by two people; Described portable station 130 is by AC adapter or powered battery, and described portable station 130 adopts LCD as display device, and operating state shows on LCD during operate as normal, and this LCD is in closed condition when unattended; The structure of described portable station 130 is for adopting the structure of upturning lid, about 320 * 210 * 100mm of size 3, renovate and can suitably put some appendicles, also be provided with supply module, ifd module, baseband module, monitoring module and interface module in the described channel device punch-out equipment case.
Preferably, described network management unit 370 comprises: client 410, application server 420 and database server 430, network management unit 370 and webmaster channel device 121 link to each other by LAN, and client 140 computers also link to each other by LAN with application server 420 computers.
Earth station A shown in two portable station 130 figure and the communication process between the earth station B when illustrating portable satellite communications system involved in the present invention real work below in conjunction with Fig. 6:
As shown in Figure 6, the communication process that shows between earth station A and the earth station B with from top to bottom order among the figure specifically may further comprise the steps:
1, under holding state, VCU is operated in the DAMA controller state, and extroversion that frequency is respectively network control, interior to the control channel frequency is sent in its sending and receiving;
2, user A off-hook after VCU detects off hook signal, send dialing tone to user A;
3, hear dialing tone after, user A dials the number of called subscriber B;
4, after call request is received in the network control center, promptly beam back affirmation by export-oriented control channel, check simultaneously whether called tation VCU has free time, voice channel whether the free time is arranged, if idling-resource is all arranged can be used, then algorithm is according to the rules selected a pair of voice channel, select a VCU at called tation, and in the database of network control center, these resources are put and take (do) and indicate;
5, call distribution information is sent to caller, called VCU in the network control center, and sets up call record.The communication key that KMC is generated for communication between user A and the B distributes and issues earth station A and earth station B simultaneously;
6, caller, called VCU transfer to allocated channel frequency with transmitting-receiving frequency, and carry out continuity test and set up to confirm that satellite channel connects;
7, called VCU sends bell signal to user B after the conducting;
8, user B off-hook enters communications status;
9, intercommunication, i.e. communication process;
10, during sign off, suppose user A on-hook, the phone of user A is sent out on-hook signal to VCU;
11, the VCU of earth station A send the indication of taking out stitches by voice channel to the VCU of earth station B after detecting on-hook signal;
12, the VCU loopback clear confirmation of earth station B, and to user B transmission busy tone;
13, caller, called VCU recall to transmitting-receiving frequency to control channel respectively after receiving take out stitches indication affirmation, clear confirmation;
14, after the network control center receives that information is finished in calling, reclaim the communication resource, comprise satellite channel and VCU, respective channel and equipment are put the free time.And stop this call record, and register.Send end of calling information to earth station A and earth station B;
15, whole communication process finishes;
More than, the basic ideas and basic principles of the present invention have been set forth by description of listed embodiment.But the present invention never is limited to above-mentioned listed execution mode, and every equivalent variations, improvement and deliberately of inferior quality behavior of doing based on technical scheme of the present invention of change all should belong to protection scope of the present invention.

Claims (10)

1. portable satellite communications system, this system comprises: a main website (120) and a plurality of portable station (130), it is characterized in that, described main website (120) comprising: duplexer (320), BUC (340), waveguide switch, intermediate frequency CU common unit (350), webmaster channel (360), network management unit (370), communication terminal (380), communication channel (390), and LNB (300), wherein, described duplexer (320) is divided into two-way and is connected to described BUC (340) and LNB (300) respectively, wherein one tunnel described BUC (340) is connected to described intermediate frequency CU common unit (350), described intermediate frequency CU common unit (350) is connected to described network management unit (370) by each webmaster channel (360), the described LNB in another road (300) is connected to intermediate frequency CU common unit (350), and described intermediate frequency CU common unit (350) is connected to described communication terminal (380) by each communication channel (390); Described portable station (130) comprising: far-end antenna (210), duplexer (320), BUC (340), LNB (300), communication equipment (260) and subscriber terminal equipment (270), wherein, described far-end antenna (210) is connected to described duplexer (320), described duplexer (320) is divided into two-way and is connected to described BUC (340) and LNB (300) respectively, described BUC (340) and LNB (300) are connected to described communication equipment (260) jointly, and described communication equipment (260) is connected to described subscriber terminal equipment (270).
2. portable satellite communications according to claim 1 system, it is characterized in that, described main website (120) also comprises: standby system, this standby system is provided with for the equipment in the described main website (120) is repeated, and can switch between main system and standby system by active and standby switch unit (330).
3. portable satellite communications according to claim 1 system, it is characterized in that, described main website (120) also comprises: antenna (310) and antenna servo system (311), wherein, described antenna servo system (311) is connected to described antenna (310), and described antenna (310) is connected to described duplexer (320).
4. portable satellite communications according to claim 1 system, it is characterized in that, described main website (120) communicates by webmaster channel device (121) and satellite (110), described webmaster channel device (121) communicates with Traffic Channel (123), and described Traffic Channel (123) communicates with described satellite (110).
5. portable satellite communications according to claim 1 system, it is characterized in that, described main website (120) sends network management information with multiple access/method of salary distribution of TDM/PA to each described portable station (130), described portable station (130) sends feedback information with multiple access/method of salary distribution of ALOHA to described main website (120), and described webmaster channel device (121) comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel at least.
6. portable satellite communications according to claim 1 system, it is characterized in that, described Traffic Channel (123) adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station (130), in addition, the multi-access mode of described Traffic Channel (123) and the method for salary distribution are FDMA/SCPC/DAMA.
7. portable satellite communications according to claim 1 system is characterized in that, the indoor equipment of described main website (120) adopts 19 inches standard PC cases, and wherein, described intermediate frequency CU common unit (350) adopts the 2U cabinet.
8. portable satellite communications according to claim 1 system is characterized in that described portable station (130) is by AC adapter or powered battery.
9. portable satellite communications according to claim 1 system is characterized in that, described portable station (130) adopts LCD as display device, and operating state shows on LCD during operate as normal, and this LCD is in closed condition when unattended.
10. portable satellite communications according to claim 1 system is characterized in that described network management unit (370) comprising: client (410), application server (420) and database server (430).
CN201110061823.1A 2011-03-15 2011-03-15 Portable satellite communication system Expired - Fee Related CN102122987B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378406A (en) * 2011-10-14 2012-03-14 航天恒星科技有限公司 Method for dynamically adjusting time delay of terminal stations of mesh satellite communication network
CN102843179A (en) * 2012-08-13 2012-12-26 北京盈想东方科技发展有限公司 Portable narrow band satellite communication device and control method thereof
CN102916738A (en) * 2012-11-01 2013-02-06 中国电子科技集团公司第五十四研究所 Data reliable multicast method based on FDMA (frequency division multiple Access)/DAMA (demand assigned multiple access) satellite communication system
CN103259674A (en) * 2012-06-06 2013-08-21 中国交通通信信息中心 Data management method based on satellite communication service
CN105530242A (en) * 2015-12-04 2016-04-27 航天恒星科技有限公司 Integrated service processing method and system of satellite communication network
CN107667486A (en) * 2015-05-04 2018-02-06 高空Scs公司 The system and method that communication is moved by geostationary satellite
CN107979406A (en) * 2017-11-28 2018-05-01 中国电子科技集团公司第五十四研究所 A kind of optimization station method of state management based on satellite contention channel
CN111294111A (en) * 2020-05-09 2020-06-16 南京控维通信科技有限公司 Method and system for utilizing satellite resources sharing forward carrier
CN112367102A (en) * 2020-09-30 2021-02-12 东方红卫星移动通信有限公司 Low-profile transmitting-receiving antenna conformal time division multiplexing communication circuit and satellite communication terminal
WO2023246698A1 (en) * 2022-06-23 2023-12-28 中兴通讯股份有限公司 Network element log acquisition method, device, and computer readable storage medium

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378406A (en) * 2011-10-14 2012-03-14 航天恒星科技有限公司 Method for dynamically adjusting time delay of terminal stations of mesh satellite communication network
CN102378406B (en) * 2011-10-14 2014-04-02 航天恒星科技有限公司 Method for dynamically adjusting time delay of terminal stations of mesh satellite communication network
CN103259674A (en) * 2012-06-06 2013-08-21 中国交通通信信息中心 Data management method based on satellite communication service
CN103259674B (en) * 2012-06-06 2015-10-28 中国交通通信信息中心 A kind of data managing method based on satellite communications services
CN102843179A (en) * 2012-08-13 2012-12-26 北京盈想东方科技发展有限公司 Portable narrow band satellite communication device and control method thereof
CN102843179B (en) * 2012-08-13 2013-08-07 北京盈想东方科技发展有限公司 Portable narrow band satellite communication device and control method thereof
CN102916738A (en) * 2012-11-01 2013-02-06 中国电子科技集团公司第五十四研究所 Data reliable multicast method based on FDMA (frequency division multiple Access)/DAMA (demand assigned multiple access) satellite communication system
CN102916738B (en) * 2012-11-01 2015-02-11 中国电子科技集团公司第五十四研究所 Data reliable multicast method based on FDMA (frequency division multiple Access)/DAMA (demand assigned multiple access) satellite communication system
CN107667486B (en) * 2015-05-04 2020-06-26 高空Scs公司 System for satellite communication
CN107667486A (en) * 2015-05-04 2018-02-06 高空Scs公司 The system and method that communication is moved by geostationary satellite
CN105530242A (en) * 2015-12-04 2016-04-27 航天恒星科技有限公司 Integrated service processing method and system of satellite communication network
CN105530242B (en) * 2015-12-04 2020-09-22 航天恒星科技有限公司 Comprehensive service processing method and system for satellite communication network
CN107979406A (en) * 2017-11-28 2018-05-01 中国电子科技集团公司第五十四研究所 A kind of optimization station method of state management based on satellite contention channel
CN107979406B (en) * 2017-11-28 2020-06-30 中国电子科技集团公司第五十四研究所 Optimized station state management method based on satellite contention channel
CN111294111A (en) * 2020-05-09 2020-06-16 南京控维通信科技有限公司 Method and system for utilizing satellite resources sharing forward carrier
CN111294111B (en) * 2020-05-09 2020-08-11 南京控维通信科技有限公司 Method and system for utilizing satellite resources sharing forward carrier
CN112367102A (en) * 2020-09-30 2021-02-12 东方红卫星移动通信有限公司 Low-profile transmitting-receiving antenna conformal time division multiplexing communication circuit and satellite communication terminal
WO2023246698A1 (en) * 2022-06-23 2023-12-28 中兴通讯股份有限公司 Network element log acquisition method, device, and computer readable storage medium

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