CN104796187A - Enhanced transmission method based on stratospheric quasi-static satellite base station - Google Patents
Enhanced transmission method based on stratospheric quasi-static satellite base station Download PDFInfo
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Abstract
The invention relates to coverage enhancement technology in the field of satellite communication, and discloses an information transmission method based on a stratospheric quasi-static satellite base station, which comprises steps: (1) the stratospheric quasi-static satellite base station is formed by a stratospheric floating system, a communication load system and an operation control system, has small movement relatively to the ground, and can be deployed according to needs over a region with a satellite signal coverage enhancement requirement for providing long-time stable transparent forwarding or communication forwarding treatment service for various satellite users; and (2) the stratospheric quasi-static satellite base station distributes communication resources according to user types and service types, provides in-base station transmission service for communication between users in the current base station coverage region, provides inter-base station transmission service for communication outside the base station coverage region, signals are relayed and transmitted by the satellite via the base station, and subsequent communication transmission is completed via the satellite. Space and cost advantages of the stratospheric quasi-static satellite base station are used for providing convenient and high-efficiency coverage enhancement ability for satellite communication.
Description
Technical field
The present invention relates to covering and the capacity enhancement technology of satellite communication field, particularly relate to a kind of stratosphere quasistatic satellite base station that utilizes to strengthen the new method of conventional satellite communication covering and power system capacity.
Background technology
Satellite communication is due to the restriction not by geographical conditions, there is applying flexible, wide coverage, message capacity is large, transmission quality good, networking is convenient rapidly, can the many merits such as global seamless link be realized, be considered to set up the requisite important means of global personal communication.Along with the continuous increase of satellite communications services demand, especially be the broadband multimedia services high speed development of core with data, propose to satellite system the demand that high coverage rate, Large Copacity and higher QoS ensure ability, the local complexity of satellite covers seriously and the not enough problem of message capacity becomes increasingly conspicuous.How to become the important of elevator system ability based on the existing satellite platform raising covering of satellite link and the capacity of satellite communication system to set about a little.
In the covering of enhancing link, traditional method is important has two kinds: one to be install fixed relay base station on ground, and two is utilize between multi-satellite or user to carry out communication for coordination.Install the method for relay base station on ground, solve local link covering problem, but often can clash with Ground Communication System in He Ne laser and addressing, cost is very high, realizes also underaction.Utilize and carry out intersatellite communication for coordination between multi-satellite or user and also there is many deficiencies, such as, on star the disposal ability of load and ground based terminal and power all very limited, collaborative meeting brings a large amount of resource overheads, and communication efficiency is lower.
In increase satellite system capacity, traditional method mainly improves the signal handling capacity of satellite borne equipment and improves link bandwidth.Significantly improved although the energy force rate of satellite load has now had in the past, but due to satellite general useful life longer (about 10 years), even if use state-of-the-art chip and signal handling equipment at that time when designing, the sharply increase with user's request that develops rapidly of ground new technology can not be able to catch up with.Along with the improving constantly of satellite communication Frequency Band Selection (initial UHF, L, S frequency range is to the even higher optical frequencies of Ku, Ka now), the capacity of system adds really, but the method continuing to rely on raising frequency to increase power system capacity brings problems, such as high frequency band signal Atmospheric attenuation and barrier cover seriously, terminal antenna is followed the tracks of load on complicated and star and cannot be processed huge information flow-rate etc.
The coverage that quasistatic satellite base station (hereinafter referred base station) strengthens satellite communication system is placed at stratosphere, the signal transmission quality of raising system, carries out processing forward or sets up many user link by base station can increasing substantially the user capacity of communication system and QoS experiences to information further by base station.Mission requirements can be responded fast, launch networking flexibly.
Summary of the invention
The technical problem that the present invention solves: not enough for prior art, provides a kind of system transfers based on stratosphere quasistatic satellite base station to strengthen theory, realizes satellite communication system and covers and capacity enhancing.
The concrete steps of the inventive method are as follows:
A1, ground fortune control central station, according to the network planning or emergency communication demand, dispose stratosphere quasistatic satellite base station in overhead, appointed area;
A2, stratosphere quasistatic satellite base station take over satellite service in overhead, appointed area, and it is constant that current business of directly having been served by satellite maintains state, and the business application of new user is accepted by base station, and provides access service by base station;
A3, base station are the address that the user networked distributes 4 bytes, and wherein first byte is expressed as the satellite number that current base station provides service, the 2nd byte representation current base station numbering, the 3rd, the 4th byte representation Customs Assigned Number;
When A4, user have a new communication requirement, on common signaling channel, sent the transmission application of 5 bytes by user, wherein front 5 bits of first byte represent type of service, and rear 3 bits represent priority, 2-5 byte representation object station address;
After A5, base station receive the business application of user, according to type of service, priority and target user address allocate communications resource;
A6, user, according to communication resource allocation scheme, the channel of specifying send signal to base station, by the subsequent transmission of base station settling signal.
Preferably, described stratosphere quasistatic satellite base station can dispose one or many according to demand.Every base station has certain dynamical system, can carry out flexible layout according to demand, and maintains position geo-stationary time in working order.
Preferably, described its communication payload of stratosphere quasistatic satellite base station comprises star antenna and radio-frequency apparatus, over the ground antenna and radio-frequency apparatus, interlinkage transponder, processing transponder and routing forwarding equipment.
Preferably, described stratosphere quasistatic satellite base station has buffer memory to accelerate function, has cache capability to high-speed multimedia service and large data collection service.
Preferably, described Ka, Ku or C frequency range is worked in star antenna and radio-frequency apparatus.
Preferably, described antenna over the ground and radio-frequency apparatus work in Ka, Ku, C, S or L frequency range.
Preferably, described interlinkage transponder can complete base station to star, the base station signal frequency conversion transparent transmission over the ground between different communication frequency range.
Preferably, described processing transponder can complete base station to the signal transacting transmission over the ground between different communication frequency range of star, base station in conjunction with routing forwarding equipment.
Preferably, the signaling format between described base station and user can based on Land-Mobile-Network protocol architecture or based on satellite specific protocols system.
Preferably, the described communication resource carries out according to type of service, distributes interlinkage transponder resource when business is high bandwidth requirements type; Processing transponder resource is distributed when business is non-high bandwidth requirements type.
Preferably, the described communication resource carries out according to communication user both sides logic ownership, and base station can be used as relaying and information processing person two kinds of roles.When user both sides can be its allocation process transponder resource in same base station beam overlay area; Base station transponder resource can be distributed when communication user both sides are in same satellite beams overlay area; Base station transponder resource can be distributed when communication user both sides are in the different satellite beams overlay areas with inter-satellite link; Interlinkage transponder resource can be distributed when communication objective user is at ground network.
Preferably, the described communication resource carries out according to priority, the priority allocation transponder resource when business is high real-time requirement type, and can take low priority user resource when resource is nervous.
Preferably, base station may be used for the region overlay enhancing that is masked, and system coverage area increases capacity, can also increase cover in protosatellite system uncovered area, and the combination of three.
Preferably, base station can adopt pooling of resources scheduling or primary resource to dispatch two kinds of management modes.Centralized dispatching refers to that resource service database is set up at Yun Kong center, ground, unified satellite resource, base station resource and user's registration information.When base station receives new service request, base station needs to transport the approval of control center requests earthward.Primary resource scheduling refers to that base station has the right of autonomous Resources allocation, after receiving user's service request, carries out resource fast dispatch and Yun Kong center report registration earthward according to local resource service database.Pooling of resources scheduling advantage is that system logic relation is simple, easy to maintenance, fail safe is good, and shortcoming is inefficiency, strong to Yun Kong center, ground dependence.Primary resource scheduling advantage is that system transfers efficiency is high, and shortcoming is high to base station process Capability Requirement, and system is easily subject to disabled user and attacks.
The present invention has following advantage relative to prior art:
1, base station both can be used as the information processing person that the relaying person of user to satellite also can be used as user's service.Logic according to customer objective address belongs to, and provides different services respectively.Role as relaying improves local complexity quality and the area coverage of satellite communication system, and the QoS of user capacity and user that the role as information processing person improves communication system experiences.Therefore, the information transmission of satellite communication system is enhanced on the whole.
2, suggest plans there is good realizability.Compared to ground base station and satellite coordination technique, this programme does not need to fight for valuable frequency resource and location resource with ground based mobile subscriber, and technology also works in coordination with mature and reliable than satellite.
3, suggest plans there is good cost advantage and flexible networking ability.Compared to launching an artificial satellite, stratosphere quasistatic satellite base station position low (10 ~ 50km), well below the height (36000km) of geostationary satellite, commercial emission standard can be satisfied the demand.Launching flexibly, when there being task to need, networking can be disposed rapidly.
Accompanying drawing explanation
Fig. 1 is present system architectural framework schematic diagram;
Fig. 2 is embodiment of the present invention coverage enhancement schematic diagram;
Fig. 3 is embodiment of the present invention scene 1 schematic diagram;
Fig. 4 is embodiment of the present invention scene 2 schematic diagram;
Fig. 5 is embodiment of the present invention scene 3 schematic diagram.
Embodiment
In order to make technical scheme of the present invention, object and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further described.The invention provides the enhancing transmission method based on stratosphere quasistatic satellite base station, as shown in Figure 1, embodiment is as follows for Solution Architecture schematic diagram:
A1, ground fortune control central station, according to the network planning or emergency communication demand, dispose stratosphere quasistatic satellite base station in overhead, appointed area;
A2, stratosphere quasistatic satellite base station take over satellite service in overhead, appointed area, and it is constant that current business of directly having been served by satellite maintains state, and the business application of new user is accepted by base station, and provides access service by base station;
A3, base station are the address that the user networked distributes 4 bytes, and wherein first byte is expressed as the satellite number that current base station provides service, the 2nd byte representation current base station numbering, the 3rd, the 4th byte representation Customs Assigned Number;
When A4, user have a new communication requirement, on common signaling channel, sent the transmission application of 5 bytes by user, wherein front 5 bits of first byte represent type of service, and rear 3 bits represent priority, 2-5 byte representation object station address;
After A5, base station receive the business application of user, according to type of service, priority and target user address allocate communications resource;
A6, user, according to communication resource allocation scheme, the channel of specifying send signal to base station, by the subsequent transmission of base station settling signal.
Embodiment: Fig. 2 gives an example of the present invention, comprises two satellites, Yun Kong center, a ground, two base stations, some users and the barriers such as spissatus layer, building jungle.Its Satellite 1 and satellite 2 are linked by inter-satellite link.Base station 1 is as the relaying of satellite 1, and base station 2 is as the relaying of satellite 2.User 1, user 2, user 6 and user 8 are in the beam coverage of satellite 1, and wherein user 2, user 8 are subject to cloud layer and cover, and user 1, user 2 are low rate speech user, and user 6 is high-speed multimedia user, and user 8 is Remote sensing data reception user.User 3, user 4 and user 7 are in the beam coverage of satellite 2, wherein user 7 is subject to building and jungle covers, and user 3, user 4 are low rate speech user, and user 7 is high-speed multimedia user, satellite 2 has carried earth observation load, returns remotely-sensed data as required.User 5 is not in the beam coverage of satellite, but in the coverage of base station 2, user 5 is low rate speech user.Yun Kong center, ground and satellite 1 and satellite 2 have high speed satellite-ground link, have high speed fibre to be connected with ground network by gateway.Base station 1 and base station 2, by satellite relay access Yun Kong center, ground, accept ground fortune control centre management.
In this example, the resource in initialization network comprises the logic ownership of user in system, the service object of base station and Link State etc.Specify the mode of operation of system: pooling of resources scheduling and primary resource dispatch (the present embodiment all by consideration and illustrate).The initialization result of the present embodiment is as shown in table 1 below:
Table 1
| User | Logic belongs to | Link State | Type of service | Real-time | Object user/information source |
| User 1 | Satellite 1 wave beam | Normally | Voice | High | User 5 |
| User 2 | Satellite 1 wave beam | Block | Voice | High | Terrestrial network user |
| User 3 | Satellite 2 wave beam | Block | Voice | High | User 3 |
| User 4 | Satellite 2 wave beam | Normally | Voice | High | User 4 |
| User 5 | Cover without satellite | Without link | Voice | High | User 1 |
| User 6 | Satellite 1 wave beam | Normally | Data (picture, webpage) | Low | Terrestrial network service provider |
| User 7 | Satellite 2 wave beam | Block | Data (picture, webpage) | Low | Terrestrial network service provider |
| User 8 | Satellite 1 wave beam | Block | Remotely-sensed data | Low | Satellite 2 |
After initialization completes, if adopt pooling of resources scheduling scheme, base station is gathered the information collected, and is sent to Yun Kong center, ground by satellite, enters address assignment and Resourse Distribute by the unification of Yun Kong center, ground.If adopt primary resource scheduling scheme, networking user's allocation address independently can be given in base station.Address is made up of 4 bytes, and wherein first byte is expressed as the satellite number that current base station provides service, the 2nd byte representation current base station numbering, the 3rd, the 4th byte representation Customs Assigned Number.Specifically as shown in table 2:
Table 2
| User | Satellite number | Base station is numbered | Customs Assigned Number | Station address |
| User 1 | 0001 0001 | 0001 0001 | 0000 0000 0000 0001 | 17.17.0.1 |
| User 2 | 0001 0001 | 0001 0001 | 0000 0000 0000 0010 | 17.17.0.2 |
| User 3 | 0001 0002 | 0001 0002 | 0000 0000 0000 0011 | 18.18.0.3 |
| User 4 | 0001 0002 | 0001 0002 | 0000 0000 0000 0100 | 18.18.0.4 |
| User 5 | 0001 1111 | 0001 0002 | 0000 0000 0000 0101 | 31.18.0.5 |
| User 6 | 0001 0001 | 0001 0001 | 0000 0001 0000 0001 | 17.17.1.1 |
| User 7 | 0001 0002 | 0001 0002 | 0000 0001 0000 0010 | 18.18.1.2 |
| User 8 | 0001 0001 | 0001 0001 | 0000 0000 0000 1000 | 17.17.0.8 |
When user needs to set up communication, user needs the transmission application sending 5 bytes on common signaling, and wherein front 5 bits of first byte represent type of service, and rear 3 bits represent priority, 2-5 byte representation object station address;
Scene 1:
After base station receives the application of user, can according to the logical address of object user, type of service and the priority assign communication resource.For user 1, its will with user 5 initiating speech conversation.But under original satellite system, user 5, not in the coverage of satellite communication system, cannot communicate.Base station 2 as relaying, will judge that the logic of user both sides is attributed to satellite communication system inside, for it distributes corresponding processing transponder resource, communication can be carried out, and embody the advantage expanding satellite coverage area, specifically as shown in Figure 3.
For user 2, it will communicate with other terrestrial user in non-satellite communication system.Link is subject to thick cloud cover.Base station 1 judges that its object user is as terrestrial network user, and base station will as relaying, for it provides corresponding interlinkage transponder resource.Embody the advantage of local coverage enhancement, specifically as shown in Figure 3.
Scene 2:
For user 3, it will set up voice communication with user 4, and user 3 and the satellite link of user 4 are subject to building and jungle blocks, and can provide relay services in this case by base station 2.By logical address, base station 2 judges that user 3 and user 4 are in its overlay area.Base station will provide route processing transponder resource, and not take on-board processing resource and link circuit resource, indirectly improve satellite communication system capacity, less communication delay.Embody the advantage that local coverage enhancement, power system capacity enhancing and high QoS experience, specifically as shown in Figure 4 simultaneously.
For user 8, its to receive by satellite 2 earth observation load gather remotely-sensed data, under normal circumstances, satellite 1 as relaying by inter-satellite link user 8 with satellite 2 link getting up.But in this scene, the satellite-ground link of thick cloud cover satellite 1 and user 8.Now, base station 1, as relaying, judges that user 8 type of service is two-forty demand user, for it distributes interlinkage transponder resource.The enhancing embodying base station covers advantage, specifically as shown in Figure 4.
Scene 3:
For user 6 and user 7, it is all multimedia high speed business.Visible the while of user's 6 pairs of satellites 1 and base station 1, therefore can set up two user link.While satellite 1 distributes to user 6 transponder resource, user 6 transponder resource is also distributed in base station 1, and the QoS significantly improving link rate and user 6 experiences.The satellite link of user 7 is subject to building and jungle blocks, and needs through base station 2 relaying, and base station 2 can promote the QoS experience of user 7 by high-speed cache simultaneously.And, specifically as shown in Figure 5.
More than be described with reference to the accompanying drawings the present invention; but those of ordinary skill in the art is understood that; specification is for explaining claim; the scope of the present invention is as the criterion with claim; on basis of the present invention, any make amendment, it is equivalent that replace and improve all should in required protection range.
Claims (10)
1., based on an enhancing transmission method for stratosphere quasistatic satellite base station, it is characterized in that comprising step:
A1, ground fortune control central station, according to the network planning or emergency communication demand, dispose stratosphere quasistatic satellite base station in overhead, appointed area;
A2, stratosphere quasistatic satellite base station take over satellite service in overhead, appointed area, and it is constant that current business of directly having been served by satellite maintains state, and the business application of new user is accepted by base station, and provides access service by base station;
A3, base station are the address that the user networked distributes 4 bytes, and wherein first byte is expressed as the satellite number that current base station provides service, the 2nd byte representation current base station numbering, the 3rd, the 4th byte representation Customs Assigned Number;
When A4, user have a new communication requirement, on common signaling channel, sent the transmission application of 5 bytes by user, wherein front 5 bits of first byte represent type of service, and rear 3 bits represent priority, 2-5 byte representation object station address;
After A5, base station receive the business application of user, according to type of service, priority and target user address allocate communications resource;
A6, user, according to communication resource allocation scheme, the channel of specifying send signal to base station, by the subsequent transmission of base station settling signal.
2. method according to claim 1, is characterized in that, described stratosphere quasistatic satellite base station can dispose one or many according to demand; Every base station has certain dynamical system, can carry out flexible layout according to demand, and maintains position geo-stationary time in working order.
3. method according to claim 1, is characterized in that, described its communication payload of stratosphere quasistatic satellite base station comprises star antenna and radio-frequency apparatus, over the ground antenna and radio-frequency apparatus, interlinkage transponder, processing transponder and routing forwarding equipment.
4. method according to claim 1, is characterized in that, described stratosphere quasistatic satellite base station has buffer memory to accelerate function, has cache capability to high-speed multimedia service and large data collection service; Signaling format between base station and user can based on Land-Mobile-Network protocol architecture or based on satellite specific protocols system.
5. method according to claim 3, is characterized in that, described works in Ka, Ku or C frequency range to star antenna and radio-frequency apparatus, and antenna and radio-frequency apparatus work in Ka, Ku, C, S or L frequency range over the ground; Interlinkage transponder can complete base station to star, the base station signal frequency conversion transparent transmission over the ground between different communication frequency range, and processing transponder can complete base station to the signal transacting transmission over the ground between different communication frequency range of star, base station in conjunction with routing forwarding equipment.
6. method according to claim 1, is characterized in that, the described communication resource carries out according to type of service, distributes interlinkage transponder resource when business is high bandwidth requirements type; Processing transponder resource is distributed when business is non-high bandwidth requirements type.
7. method according to claim 1, is characterized in that, the described communication resource carries out according to communication user both sides logic ownership, and base station can be used as relaying and information processing person two kinds of roles; When user both sides can be its allocation process transponder resource in same base station beam overlay area; Base station transponder resource can be distributed when communication user both sides are in same satellite beams overlay area; Base station transponder resource can be distributed when communication user both sides are in the different satellite beams overlay areas with inter-satellite link; Interlinkage transponder resource can be distributed when communication objective user is at ground network.
8. method according to claim 1, is characterized in that, the described communication resource carries out according to priority, the priority allocation transponder resource when business is high real-time requirement type, and can take low priority user resource when resource is nervous.
9. method according to claim 1, is characterized in that, base station may be used for the region overlay enhancing that is masked, and system coverage area increases capacity, can also increase cover in protosatellite system uncovered area, and the combination of three.
10. method according to claim 1, is characterized in that, pooling of resources can be adopted to dispatch for base station or primary resource dispatches two kinds of management modes; Centralized dispatching refers to that resource service database is set up at Yun Kong center, ground, unified satellite resource, base station resource and user's registration information, and when base station receives new service request, base station needs to transport the approval of control center requests earthward; Primary resource scheduling refers to that base station has the right of autonomous Resources allocation, after receiving user's service request, carries out resource fast dispatch and Yun Kong center report registration earthward according to local resource service database.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769839A (en) * | 2017-10-12 | 2018-03-06 | 东莞北京航空航天大学研究院 | A kind of stratosphere satellite digital cluster communication covers scheme |
| CN108832985A (en) * | 2018-05-02 | 2018-11-16 | 中国人民解放军32039部队 | Mobile IP communication system and method for repeater satellite Incorporate network |
| CN108885457A (en) * | 2016-04-29 | 2018-11-23 | Bhp比利顿创新公司 | Wireless communication system |
| CN111313955A (en) * | 2020-02-10 | 2020-06-19 | 军事科学院系统工程研究院网络信息研究所 | Method for acquiring and displaying satellite communication resource state |
| CN111327354A (en) * | 2018-12-14 | 2020-06-23 | 华为技术有限公司 | Satellite network communication method, related device and system |
| CN112564770A (en) * | 2020-12-01 | 2021-03-26 | 天地信息网络研究院(安徽)有限公司 | Multi-satellite co-location satellite communication system |
| EP3829098A1 (en) * | 2016-02-05 | 2021-06-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Service transmission method and apparatus |
| CN114342456A (en) * | 2020-06-28 | 2022-04-12 | 北京小米移动软件有限公司 | Measurement method, base station, multimode terminal, communication device and storage medium |
| WO2023040257A1 (en) * | 2021-09-17 | 2023-03-23 | 椭圆时空(北京)科技有限公司 | Communication and remote sensing integrated satellite system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203491A (en) * | 1999-01-14 | 2000-07-25 | Mitsubishi Electric Corp | Radio relay station system |
| CN1319954A (en) * | 2000-03-31 | 2001-10-31 | 休斯电子公司 | Static communication to ground system with minimum delay |
| CN101466084A (en) * | 2007-12-17 | 2009-06-24 | 中兴通讯股份有限公司 | Method for implementing priority access in radio communication system |
| CN101848561A (en) * | 2009-03-25 | 2010-09-29 | 中国移动通信集团公司 | Signal transmission method and wireless communication system |
| CN103199915A (en) * | 2013-03-01 | 2013-07-10 | 上海交通大学 | Empty heaven and earth collaborative multimedia network system |
| US20130179008A1 (en) * | 2012-01-09 | 2013-07-11 | Google Inc. | Using predicted movement to maintain optical-communication lock with nearby balloon |
-
2014
- 2014-01-16 CN CN201410022433.7A patent/CN104796187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203491A (en) * | 1999-01-14 | 2000-07-25 | Mitsubishi Electric Corp | Radio relay station system |
| CN1319954A (en) * | 2000-03-31 | 2001-10-31 | 休斯电子公司 | Static communication to ground system with minimum delay |
| CN101466084A (en) * | 2007-12-17 | 2009-06-24 | 中兴通讯股份有限公司 | Method for implementing priority access in radio communication system |
| CN101848561A (en) * | 2009-03-25 | 2010-09-29 | 中国移动通信集团公司 | Signal transmission method and wireless communication system |
| US20130179008A1 (en) * | 2012-01-09 | 2013-07-11 | Google Inc. | Using predicted movement to maintain optical-communication lock with nearby balloon |
| CN103199915A (en) * | 2013-03-01 | 2013-07-10 | 上海交通大学 | Empty heaven and earth collaborative multimedia network system |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11272501B2 (en) | 2016-02-05 | 2022-03-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Service transmission method and apparatus |
| US11457444B2 (en) | 2016-02-05 | 2022-09-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Service transmission method and apparatus |
| EP3829098A1 (en) * | 2016-02-05 | 2021-06-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Service transmission method and apparatus |
| US11057881B2 (en) | 2016-02-05 | 2021-07-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Service transmission method and apparatus |
| CN108885457A (en) * | 2016-04-29 | 2018-11-23 | Bhp比利顿创新公司 | Wireless communication system |
| CN107769839A (en) * | 2017-10-12 | 2018-03-06 | 东莞北京航空航天大学研究院 | A kind of stratosphere satellite digital cluster communication covers scheme |
| CN108832985A (en) * | 2018-05-02 | 2018-11-16 | 中国人民解放军32039部队 | Mobile IP communication system and method for repeater satellite Incorporate network |
| CN111327354A (en) * | 2018-12-14 | 2020-06-23 | 华为技术有限公司 | Satellite network communication method, related device and system |
| US11968028B2 (en) | 2018-12-14 | 2024-04-23 | Huawei Technologies Co., Ltd. | Satellite network communication method, related apparatus, and system |
| CN111313955A (en) * | 2020-02-10 | 2020-06-19 | 军事科学院系统工程研究院网络信息研究所 | Method for acquiring and displaying satellite communication resource state |
| CN111313955B (en) * | 2020-02-10 | 2020-09-15 | 军事科学院系统工程研究院网络信息研究所 | Method for acquiring and displaying satellite communication resource state |
| CN114342456A (en) * | 2020-06-28 | 2022-04-12 | 北京小米移动软件有限公司 | Measurement method, base station, multimode terminal, communication device and storage medium |
| CN114342456B (en) * | 2020-06-28 | 2024-04-09 | 北京小米移动软件有限公司 | Measurement method, base station, multimode terminal, communication device, and storage medium |
| CN112564770A (en) * | 2020-12-01 | 2021-03-26 | 天地信息网络研究院(安徽)有限公司 | Multi-satellite co-location satellite communication system |
| WO2023040257A1 (en) * | 2021-09-17 | 2023-03-23 | 椭圆时空(北京)科技有限公司 | Communication and remote sensing integrated satellite system |
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| CN104796187B (en) | 2018-08-28 |
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