CN103281711A - Short-distance wireless broadband communication method and system - Google Patents
Short-distance wireless broadband communication method and system Download PDFInfo
- Publication number
- CN103281711A CN103281711A CN201310244332XA CN201310244332A CN103281711A CN 103281711 A CN103281711 A CN 103281711A CN 201310244332X A CN201310244332X A CN 201310244332XA CN 201310244332 A CN201310244332 A CN 201310244332A CN 103281711 A CN103281711 A CN 103281711A
- Authority
- CN
- China
- Prior art keywords
- communication
- control device
- communication terminal
- module
- net control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006854 communication Effects 0.000 title claims abstract description 168
- 238000004891 communication Methods 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000011664 signaling Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a short-distance wireless broadband communication system which is applied to short-distance wireless broadband communication in an indoor environment. The short-distance wireless broadband communication system comprises a network control device, at least one camera shooting device and multiple communication terminals. The camera shooting device shoots an indoor space, and sends a space image to the network control device. The network control device estimates the coordinates of the communication terminals and the coordinates and spatial information of shelters in communication links of the communication terminals. The communication terminals adjust the beam forming of the communication terminals according to the information. Accordingly, the invention further discloses a short-distance wireless broadband communication method. According to the technical scheme, rapid and accurate beam forming of the communication terminals can be realized beneficially, and the adjustment of the beam forming is dynamic and real-time.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of short-distance wireless broadband connections method and short-distance wireless wide-band communication system.
Background technology
The short-distance wireless broadband connections is the novel wireless communication technology that becomes the research focus recently, its carrying frequency range from 30GHz to 300GHz, wherein two to be considered to become the frequency range that the typical case uses in future be 45GHz and 60GHz.The propagation wavelength of short-distance wireless broadband connections is from 10 millimeters to 1 millimeter, so the also common millimetre-wave attenuator that is known as of short-distance wireless broadband connections of equal valuely.The advantage of short distance broadband wireless communications is: 1, available band is extremely wide.2, high directivity, good confidentiality; 3, disturb very little, the almost influence of static-free and industrial interference, thereby communication is stable.But also just because of above-mentioned characteristic, millimeter wave is similar to light wave in the propagation in space, and it is very narrow that it propagates wave beam, and can't penetrate barrier; The typical application scenarios of short-distance wireless broadband connections is indoor environment.Simultaneously, the antenna system of millimetre-wave attenuator adopts aerial array and wave beam forming technology more, makes wave beam get around barrier arrival receiving terminal along sighting distance or along reflection path according to assigned direction.
During conventional art was realized, the wave beam forming in the radio communication need could be set up optimum communication link through adaptive interative computation between the dual-mode antenna array, this normally the signal search by the communication terminal complexity from realization.And along with communication terminal is subjected to displacement or communication link when being subjected to blocking, need readjust aerial array, finish wave beam forming, finish wave beam forming to set up the millimetre-wave attenuator link be comparatively consuming time and adjust aerial array adaptively, in addition, wave beam forming might cause interference to the equipment of other ongoing communications in the sector-level search procedure on a large scale.Owing to the increase greatly of antenna number, the problems referred to above especially highlight in millimeter-wave communication system.
As Figure 1A, when 1B, 1C have described under indoor environment with millimeter wave transmission HD video, the situation that communication link is subjected to shield in various degree.
Publication number is that the patent " a kind of 60GHz multiaerial system and signal processing method of hiding thereof that block " of CN101867401 namely provides a kind of method of adjusting wave beam forming under the situation of veil ten-four.If as seen can fast, accurately know the information of the situation that hides in communication terminal present position and the communication link, omit large-scale sector-level search procedure, help the antenna array beam rapid alignment, this sets up link to the millimetre-wave attenuator sending and receiving end undoubtedly and benefits.But how not open this patent is or the information of reception, transmitting apparatus and veil position, thereby be incomplete.Under outdoor scene, communication terminal can utilize the GPS module that self disposes to obtain positional information, assists and finishes wave beam forming, but very faint for satellite navigation signals in the indoor environment, the location can't be realized.In addition, some research documents are pointed out can be by pre-configured, the record terminal positional information, but this kind method can not be suitable for for the situation that terminal or veil produce displacement.
Summary of the invention
In view of this, the object of the invention is to provide a kind of short-distance wireless broadband connections method and short-distance wireless wide-band communication system, adopt the position coordinates of supplementary means obtaining communication terminal and the information that hides on the communication link, thereby communication terminal is adjusted the wave beam forming of aerial array, optimizes foundation and the maintenance process of communication link.
The present invention proposes a kind of short-distance wireless broadband connections method, comprise the steps:
S101, communication terminal adds grid, and to network registry; Net control device in the system confirms that this communication terminal adds and finish the registration of this communication terminal.
S102, picture pick-up device is taken pictures to indoor, and the interior space image of taking is sent to net control device.
S103, net control device analyzing and processing spatial image calculates veil coordinate and veil spatial information in communication terminal position coordinates and the link, and above-mentioned coordinate and information are sent to communication terminal on the communication link.
S104, communication terminal adjust beam direction according to coordinate information and veil spatial information, carry out wave beam forming, set up or the maintain communications link.
Above-mentioned S102-S104 step is that the cycle repeats at regular intervals.
In the S104 step, because communication terminal is known coordinate and the spatial information of veil on its place communication link, its wave beam forming can begin search in sector-level among a small circle and do fine adjustment; In information accurately under the situation, even can directly carry out wave beam level orientation.If when finding that link covers fully, then directly omit the wave beam forming process of this link, use other routing node instead and set up link.
Further, net control device also sends the control signaling of short-distance wireless broadband connections except sending coordinate and the screen information to communication terminal to communication terminal in the S103 step.Relatively be fit in the engineering send above-mentioned information by LF communication (as Wi-Fi).
The present invention has proposed a kind of short-distance wireless wide-band communication system simultaneously, and a net control device is arranged in the system, one or more picture pick-up device and a plurality of communication terminal, wherein:
Contain computing module and LF communication module on the net control device,
Computing module estimates the coordinate position of indoor each object and the spatial form of object according to the interior space image of taking;
The LF communication module sends to communication terminal with coordinate and the spatial information of veil on the communication link of the coordinate of communication terminal and this communication terminal, concrete LF communication module such as the 2.4GHz of Wi-Fi or 5GHz communication module, except sending above-mentioned coordinate information, the control signaling of transport communication endpoint registration information and other control short-distance wireless broadband connectionss between communication terminal and net control device also.
Picture pick-up device is periodically taken pictures to indoor environment, and the interior space image of taking is sent to net control device.
Further, when a plurality of picture pick-up device, these picture pick-up devices are distributed in indoor diverse location, from the multi-angle photographic images, make that offer net control device estimates that the coordinate of indoor object, shape are more accurate.
Contain the millimetre-wave attenuator module on the communication terminal, and carry out millimetre-wave attenuator between other communication terminal.
Further, if this communication terminal as a transmission signalling arrangement, so also includes wave beam forming module and LF communication module,
The communication terminal coordinate that wave beam forming module basis receives and screen coordinate and spatial information carry out wave beam forming;
The LF communication module receives coordinate and the veil spatial form information that comes from net control device, and the control signaling of other control short-distance wireless broadband connections, and the registration of finishing access network.
By above technical characterictic as can be seen, compared with prior art, the present invention has the following advantages at least: 1. help communication terminal to realize wave beam forming fast, accurately; 2. net control device and picture pick-up device can dynamically processing images, help communication terminal to adjust aerial array in real time.
Description of drawings
Figure 1A is that link does not have the schematic diagram of covering;
Figure 1B is that link slightly hides schematic diagram;
Fig. 1 C is that link severe hides schematic diagram.
Fig. 2 is that system forms schematic diagram;
Fig. 3 is the net control device schematic diagram;
Fig. 4 A is communication terminal schematic diagram (hotspot device);
Fig. 4 B is communication terminal schematic diagram (intelligent terminal);
Fig. 5 is the method flow schematic diagram.
Execution mode
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As Figure 1A, 1B, 1C have described and have used the short-distance wireless broadband communication link to meet with the situation of different shieldings in indoor environment.Figure 1A realizes between communication terminal that the short-distance wireless broadband connections wishes the link that occurs most, is that beam direction is directly aimed at receiving terminal there not being the best mode that communication terminal transmits under the condition of veil, thereby obtains maximum data rate; Figure 1B is the situation of slightly covering, and its preferred emission mode is to adjust wave beam shaping orientation angle, and diffraction arrives receiving terminal; Fig. 1 C is severe or the situation of covering fully, and its emission optimal way is communication node for a change, is the communication terminal service through other routes.
Embodiment 1
As shown in Figure 2, the invention provides a kind of short-distance wireless wide-band communication system, comprise a net control device, one or more picture pick-up device and a plurality of communication terminal.
Capture apparatus is used for taking the image in whole room, thus spatial images such as the position of veil, shape on obtaining communication terminal equipment and the communication link, and send to net control device.
Though do not draw among Fig. 2, preferably can be deployed with a plurality of capture apparatus and be installed in diverse location indoor, can take indoor environment from different perspectives like this.
Need to prove that in the indoor environment, therefore the wave beam forming between the communication terminal if having only a picture pick-up device, preferably is installed in it top, room mainly based on the azimuth search, obtains the azimuth position information between the terminal equipment.
Net control device receives the spatial image that capture apparatus transmits, and estimates the coordinate position of indoor each object and the spatial form of object then.Because the communication terminal in the network is at first all registered in net control device behind access network.Net control device can be known position and the spatial information of indoor each communication terminal and indoor veil distinctively.
In Project Realization, to transmit by wired mode often between net control device and picture pick-up device, reason is that the said equipment generally is installed in the fixed position, and is reliable with wired mode transmission bandwidth height and transmission.
Specifically in Project Realization, net control device is that initial point is set up cartesian coordinate system with certain position (as the capture apparatus position among the figure), calculate the coordinate of other equipment, communication terminal position coordinates and veil position coordinates, the shape information obtained send to communication terminal by LF communication modes such as WI-FI, adjust aerial array in order to the subsidiary communications terminal, carry out wave beam forming.
This shows that as shown in Figure 3, watch-dog includes computing module and low frequency module at least: computing module is used for calculating coordinate position and the spatial information of communication terminal and veil.Low frequency module is used for low frequency (as 2.4GHz or the 5GHz of Wi-Fi) communication, except transmitting coordinate position, also often transmit the control signaling in the engineering, for example in order to set up and to coordinate the millimetre-wave attenuator link, or with the defeated relevant control information of multi-antenna transmitting, as information such as pre-coding matrix, modulation and coded systems, above-mentioned information improves link-quality and also plays effect adjusting many antenna link transmission.
Communication terminal comprises the physical entity that two classes are concrete in actual applications: hotspot device or user terminal.The focus setting is the equipment that sends millimeter-wave signal, and the service signal source is provided; And user terminal is the equipment that receives millimeter-wave signal, and is common as smart mobile phone, has the display screen, intelligent appliance of millimetre-wave attenuator etc.Certainly, the difference of above-mentioned physical entity may be very fuzzy, and for example some intelligent terminal has possessed the ability that sends millimeter-wave signal simultaneously, and therefore both can regard as be that user terminal also can regard as is hotspot device.
As shown in Figure 3A, the communication terminal as hotspot device has low frequency module, wave beam forming module and millimetre-wave attenuator module.
Low frequency module is used for LF communication (as 2.4GHz or the 5GHz of Wi-Fi), can receive to come from co-ordinate position information and the control signaling that net control device sends; The wave beam forming module is according to the communication terminal coordinate position that receives, the coordinate position that comprises hotspot device self, with and the coordinate position of the user terminal of being served, and the coordinate position of veil and the direction that shape information is determined wave beam forming in the communication link; The millimetre-wave attenuator module sends millimeter-wave signal, and beam direction is determined by the wave beam forming module.
Shown in Fig. 3 B, has the millimetre-wave attenuator module as the communication terminal of user terminal, in order to receive millimeter-wave signal.
Communication terminal as user terminal also can have low frequency module, in order to register to net control device when the access network.Certainly user terminal also can be registered by other interface, repeats no more herein.
Embodiment 2
The present invention has proposed a kind of method of short-distance wireless broadband connections simultaneously, and its flow process as shown in Figure 5.Comprise the steps:
Steps A 201, communication terminal join in the short-distance wireless broadband network, register its ID to net control device, and this ID is the unique identification that communication terminal is worked in network.
Particularly, this communication terminal can be the hotspot device that sends millimeter-wave signal, also can be the user terminal that receives millimeter-wave signal, or possesses the user terminal that sends and receive millimeter-wave signal simultaneously.
Preferably, communication terminal carries out the ID registration to net control device by LF communication communication (as 2.4GHz or the 5GHz of Wi-Fi), and monitor the control signaling from net control device, this signaling comprises the signaling of setting up and deleting the millimetre-wave attenuator link, and the configuration multi-antenna transmitting is failed the signaling that the millimetre-wave attenuator links are optimized in precoding codebook, modulating-coding instruction etc.
Steps A 202, picture pick-up device is taken indoor spatial image, and image is sent to net control device.
Steps A 203, net control device are calculated position coordinates and the shape information of covering object on the position coordinates of communication terminal and its communication link, and above-mentioned information is passed to communication terminal.
Net control device at first need be handled through image, distinguishes communication terminal and veil in the picture of publishing picture.Usually can according to and communication terminal between handshake come the acquisition terminal apparatus characteristic information, confirm the coupling of communication terminal and this communication terminal ID.
Steps A 204, communication terminal receives position coordinates and the veil information that net control device sends, and carries out wave beam forming, sets up communication link.This step can be divided into following several situation:
Situation A. is under the unsheltered situation of communication link, as (hotspot device sends large data files to smart mobile phone) communication link among Figure 1A, communication terminal 1 can directly calculate angle of radiation and the gain size of antenna array beam needs adjustment according to the position coordinates of communication terminal 2, directly carry out accurate wave beam level search, calibration, the benefit of doing like this is the data rate that has promoted link greatly, has reduced the interference to other communication terminals of communicating by letter simultaneously.
Situation B. is under the situation that communication link slightly covers, as (hotspot device sends HD video to display screen) communication link among Figure 1B, communication terminal 1 is removed unnecessary beam radiation angle according to mask information, with wave beam be adjusted to can avoiding obstacles direction, carry out sector-level search, calibration that scope is dwindled, and then carry out the wave beam orientation, thereby set up communication link with communication terminal 2.
Situation C. is under the situation that communication link seriously covers, as (be subjected between hotspot device and the display screen many people walk up and down interference) communication link among Fig. 1 C, it is routing node (as relaying) that communication terminal 1 changes by net control device, adjust uplink beam according to its position coordinates, carry out the search of wave beam level and calibration, equally, net control device also can be adjusted downlink wave beam according to the position coordinates of display screen, carry out the search of wave beam level and calibration, thereby set up by the communication link of net control device to display screen.It is to be noted that net control device also possesses communication function and the wave beam forming function that millimeter wave is arranged in the present embodiment.
In the practical communication process, steps A 202-A204 circulation is carried out.Thereby net control device can dynamically capture wireless environment variation, and communication terminal also can be adjusted wave beam in real time according to the spatial positional information that upgrades.
Under the support of more excellent hardware and software, net control device can have the intelligent coordinated function of millimeter wave link route.Still consider scene shown in Fig. 1 C, net control device no longer with self as via node, but intelligent route and the communication terminal of authorizing other are as via node, the coordination of this route is considered whole indoor short-distance wireless broadband network situation and is planned, guarantee that the route in the whole network is more reasonable, the load of each hotspot device is more balanced.Similarly, the network equipment can send route control signaling to communication terminal by the LF communication mode.
In addition, net control device can also send to communication terminal by the LF communication control message that other millimeter wave multi-antenna transmitting is defeated, with further optimization link performance, and the control message that sends such as pre-coding matrix, modulation and the coded system etc. of many antennas.
More preferably, can be equipped with a plurality of picture pick-up devices so that spatial image more comprehensively to be provided at indoor diverse location.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a short-distance wireless wide-band communication system is applied to indoor environment, it is characterized in that, includes a net control device, an above picture pick-up device and two above communication terminals.Wherein:
Picture pick-up device is taken pictures to indoor environment, and the interior space image of taking is sent to net control device;
Net control device estimates position coordinates and the shape information of veil on communication terminal position coordinates and the communication link thereof according to the interior space image that receives, and is sent to communication terminal;
Communication terminal is adjusted the wave beam forming of many antennas according to the information that net control device sends, transmission millimetre-wave attenuator signal.
2. short-distance wireless wide-band communication system according to claim 1 is characterized in that, described net control device further includes computing module and LF communication module.Wherein
Computing module receives described interior space image, and estimates position coordinates and the shape information of veil on communication terminal position coordinates and the communication link thereof;
The LF communication module is Wi-Fi2.4G communication module or 5GHz communication module, and position coordinates and the shape information of veil on described communication terminal position coordinates and the communication link thereof is sent to communication terminal.
3. short-distance wireless wide-band communication system according to claim 2 is characterized in that,
The control signaling of the control millimetre-wave attenuator that described LF communication module further transport communication endpoint registration information and described net control device send.
4. short-distance wireless wide-band communication system according to claim 1 is characterized in that,
If described communication terminal is the equipment that sends millimeter-wave signal, then further comprise millimetre-wave attenuator module, wave beam forming module and LF communication module.Wherein:
The millimetre-wave attenuator module is to destinations traffic terminal emission millimeter-wave signal, and the beam direction of signal is determined by the wave beam forming module.
The wave beam forming module is determined wave beam forming according to the information that described net control device sends;
The LF communication module receives the information that described net control device sends, and finishes to net control device registration access network.
5. short-distance wireless wide-band communication system according to claim 4 is characterized in that, described wave beam forming module is determined wave beam forming, is divided into following three kinds of situations:
Under communication link did not have the situation of covering, described wave beam forming module was directly carried out accurate wave beam level search, calibration to described destinations traffic terminal;
Slightly cover under the situation at communication link, described wave beam forming module is removed unnecessary beam radiation angle according to mask information, carries out sector-level search, calibration that scope is dwindled;
Under the situation that communication link seriously covers or covers fully, change routing node, described wave beam forming module is carried out the search of wave beam level, calibration to new routing node.
6. short-distance wireless wide-band communication system according to claim 5 is characterized in that,
Under the situation that communication link seriously covers or covers fully, described net control device is that described communication terminal is selected transistroute, and new routing node is sent to described communication terminal by described low frequency module.
7. a short-distance wireless broadband connections method is applied to indoor environment, it is characterized in that, comprising:
Communication terminal adds network, registers to net control device;
Picture pick-up device is periodically taken pictures to indoor environment, and the spatial image of taking is sent to net control device,
Net control device analysis space image estimates position coordinates and the spatial information of veil on the position coordinates of communication terminal and the communication link thereof, and is sent to communication terminal;
Communication terminal is adjusted the wave beam forming direction according to position coordinates and veil position coordinates and the spatial information of destinations traffic terminal, sets up and the maintain communications link.
8. short-distance wireless broadband connections method according to claim 7 is characterized in that,
Net control device also sends the control signaling of millimetre-wave attenuator to communication terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244332.XA CN103281711B (en) | 2013-06-19 | 2013-06-19 | A kind of short-distance wireless broadband connections method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244332.XA CN103281711B (en) | 2013-06-19 | 2013-06-19 | A kind of short-distance wireless broadband connections method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103281711A true CN103281711A (en) | 2013-09-04 |
| CN103281711B CN103281711B (en) | 2016-08-10 |
Family
ID=49064123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310244332.XA Active CN103281711B (en) | 2013-06-19 | 2013-06-19 | A kind of short-distance wireless broadband connections method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103281711B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242996A (en) * | 2013-06-21 | 2014-12-24 | 中兴通讯股份有限公司 | Method, system and device for establishing communication link |
| CN104661321A (en) * | 2013-11-15 | 2015-05-27 | 中兴通讯股份有限公司 | Communication link management method, equipment and system |
| CN105871669A (en) * | 2016-03-30 | 2016-08-17 | 美的集团股份有限公司 | Household appliance network distribution method and device, and household appliance |
| CN106452541A (en) * | 2016-07-19 | 2017-02-22 | 北京邮电大学 | Light-wireless signal mutually assisting beamforming method and apparatus |
| WO2017032279A1 (en) * | 2015-08-24 | 2017-03-02 | Huawei Technologies Co., Ltd. | Integration of image/video pattern recognition in traffic engineering |
| CN107172592A (en) * | 2017-03-20 | 2017-09-15 | 联想(北京)有限公司 | Indoor orientation method and mobile device |
| CN108777849A (en) * | 2018-04-12 | 2018-11-09 | 北京邮电大学 | Indoor minute surface void relaying distribution method and device |
| CN111818452A (en) * | 2020-07-08 | 2020-10-23 | 河南软金通信科技有限公司 | Terminal positioning method, device, equipment and storage medium |
| CN112788614A (en) * | 2021-01-13 | 2021-05-11 | 上海闻泰信息技术有限公司 | Beamforming method and apparatus, beamforming system, and computer storage medium |
| CN112788613A (en) * | 2021-01-13 | 2021-05-11 | 上海闻泰信息技术有限公司 | Beam forming method and device, communication equipment, electronic terminal and storage medium |
| WO2022001479A1 (en) * | 2020-07-03 | 2022-01-06 | 大唐移动通信设备有限公司 | Method for sending beamforming signal and base station device |
| US11290166B2 (en) | 2019-04-02 | 2022-03-29 | Samsung Electronics Co., Ltd. | Electronic device for controlling beam based on data obtained by camera and method for the same |
| WO2023109796A1 (en) * | 2021-12-14 | 2023-06-22 | 展讯半导体(南京)有限公司 | Beam scanning method and apparatus, and computer-readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867402A (en) * | 2010-05-04 | 2010-10-20 | 西安交通大学 | MIMO system and application method thereof for adaptive antenna selection |
| CN101867401A (en) * | 2010-05-04 | 2010-10-20 | 西安交通大学 | 60GHz multi-antenna system for shading and eluding and signal processing method thereof |
| WO2012176664A1 (en) * | 2011-06-24 | 2012-12-27 | オリンパス株式会社 | Imaging device and wireless system |
-
2013
- 2013-06-19 CN CN201310244332.XA patent/CN103281711B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867402A (en) * | 2010-05-04 | 2010-10-20 | 西安交通大学 | MIMO system and application method thereof for adaptive antenna selection |
| CN101867401A (en) * | 2010-05-04 | 2010-10-20 | 西安交通大学 | 60GHz multi-antenna system for shading and eluding and signal processing method thereof |
| WO2012176664A1 (en) * | 2011-06-24 | 2012-12-27 | オリンパス株式会社 | Imaging device and wireless system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242996A (en) * | 2013-06-21 | 2014-12-24 | 中兴通讯股份有限公司 | Method, system and device for establishing communication link |
| CN104242996B (en) * | 2013-06-21 | 2018-08-03 | 中兴通讯股份有限公司 | A kind of method, system and device for establishing communication link |
| CN104661321A (en) * | 2013-11-15 | 2015-05-27 | 中兴通讯股份有限公司 | Communication link management method, equipment and system |
| WO2017032279A1 (en) * | 2015-08-24 | 2017-03-02 | Huawei Technologies Co., Ltd. | Integration of image/video pattern recognition in traffic engineering |
| US9811915B2 (en) | 2015-08-24 | 2017-11-07 | Huawei Technologies Co., Ltd. | Integration of image/video pattern recognition in traffic engineering |
| CN105871669A (en) * | 2016-03-30 | 2016-08-17 | 美的集团股份有限公司 | Household appliance network distribution method and device, and household appliance |
| CN106452541B (en) * | 2016-07-19 | 2020-01-07 | 北京邮电大学 | Beam forming method and device with mutual assistance of light and wireless signals |
| CN106452541A (en) * | 2016-07-19 | 2017-02-22 | 北京邮电大学 | Light-wireless signal mutually assisting beamforming method and apparatus |
| CN107172592B (en) * | 2017-03-20 | 2020-05-26 | 联想(北京)有限公司 | Indoor positioning method and mobile equipment |
| CN107172592A (en) * | 2017-03-20 | 2017-09-15 | 联想(北京)有限公司 | Indoor orientation method and mobile device |
| CN108777849A (en) * | 2018-04-12 | 2018-11-09 | 北京邮电大学 | Indoor minute surface void relaying distribution method and device |
| US11290166B2 (en) | 2019-04-02 | 2022-03-29 | Samsung Electronics Co., Ltd. | Electronic device for controlling beam based on data obtained by camera and method for the same |
| WO2022001479A1 (en) * | 2020-07-03 | 2022-01-06 | 大唐移动通信设备有限公司 | Method for sending beamforming signal and base station device |
| CN113965874A (en) * | 2020-07-03 | 2022-01-21 | 大唐移动通信设备有限公司 | Wave beam forming signal sending method and base station equipment |
| CN113965874B (en) * | 2020-07-03 | 2023-04-07 | 大唐移动通信设备有限公司 | Wave beam forming signal sending method and base station equipment |
| CN111818452A (en) * | 2020-07-08 | 2020-10-23 | 河南软金通信科技有限公司 | Terminal positioning method, device, equipment and storage medium |
| CN112788614A (en) * | 2021-01-13 | 2021-05-11 | 上海闻泰信息技术有限公司 | Beamforming method and apparatus, beamforming system, and computer storage medium |
| CN112788613A (en) * | 2021-01-13 | 2021-05-11 | 上海闻泰信息技术有限公司 | Beam forming method and device, communication equipment, electronic terminal and storage medium |
| CN112788614B (en) * | 2021-01-13 | 2023-04-07 | 上海闻泰信息技术有限公司 | Beamforming method and apparatus, beamforming system, and computer storage medium |
| CN112788613B (en) * | 2021-01-13 | 2023-04-25 | 上海闻泰信息技术有限公司 | Beam forming method and device, communication equipment, electronic terminal and storage medium |
| WO2023109796A1 (en) * | 2021-12-14 | 2023-06-22 | 展讯半导体(南京)有限公司 | Beam scanning method and apparatus, and computer-readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103281711B (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103281711A (en) | Short-distance wireless broadband communication method and system | |
| US11784699B2 (en) | Method and apparatus for focused data communications | |
| CN113287349B (en) | Method and apparatus for using sensing system cooperating with wireless communication system | |
| US10616774B2 (en) | Method and device for communications in millimeter-wave networks | |
| US11283502B2 (en) | Position likelihood based beamformer optimization | |
| WO2018171025A1 (en) | Mobile networking method and system for minimizing interference | |
| WO2021211189A1 (en) | Millimeter wave repeater systems and methods | |
| CN114424465A (en) | Polarization aligned transmission towards a receiver device | |
| US20210399409A1 (en) | Rtk base station apparatus and signal interaction system and method | |
| CN109890037A (en) | The method of adjustment and system of direction of arrival | |
| CN110445523B (en) | Beam training method, related device and system | |
| CN112511198A (en) | Efficient data generation for beam pattern optimization | |
| CN112788614A (en) | Beamforming method and apparatus, beamforming system, and computer storage medium | |
| Loscrí et al. | BEST-RIM: A mmWave Beam Steering Approach Based on Computer Vision-Enhanced Reconfigurable Intelligent Metasurfaces | |
| CN104242996A (en) | Method, system and device for establishing communication link | |
| He et al. | Reliable auxiliary communication of UAV via relay cache optimization | |
| CN111901031A (en) | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancement system | |
| KR102128400B1 (en) | Control method for radiation beam direction of wireless transmission device | |
| CN112073111A (en) | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancing method | |
| WO2021229681A1 (en) | Communication control method, communication control device, communication control system, and communication control program | |
| Pu et al. | Sensing-assisted robust vehicle-to-vehicle communication with multiple antennas | |
| US11777570B2 (en) | Simultaneous beamforming and nullforming for secure wireless communications | |
| US11889433B2 (en) | Controlling transmission power of radio device | |
| US20230361464A1 (en) | Apparatus and methods for optimizing combined sensing and communications systems | |
| US20220104204A1 (en) | Distributed adaptive beamforming and nullforming for secure wireless communications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Wenlong Inventor before: Guo Lin |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160420 Address after: He'an road 231300 Anhui city of Lu'an province Shucheng County Chengguan Town (traffic police brigade hospital) Applicant after: Li Wenlong Address before: Suzhou City, Jiangsu province 215121 Industrial Park Weiting Town Road No. 2 Building 1 201 only Applicant before: Suzhou Weitebi Information Technology Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sheng Shiyong Inventor before: Li Wenlong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170915 Address after: Room 305, innovation building, Science Park, Anhui University, 2 Tianda Road, Hefei hi tech Zone, Anhui, 230088 Patentee after: Hefei HowNet Intellectual Property Operation Co., Ltd. Address before: He'an road 231300 Anhui city of Lu'an province Shucheng County Chengguan Town (traffic police brigade hospital) Patentee before: Li Wenlong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180525 Address after: 300450 Tianjin FTA pilot area (Tianjin Port Free Trade Zone) four Beach Road 102 (Logistics Park) 1-B-203 Patentee after: Tianjin post and Telecommunications design institute limited liability company Address before: 230088 Room 305, innovation building, Anhui University science and Technology Park, 2 Tianda Road, Hefei high tech Zone, Anhui Patentee before: Hefei HowNet Intellectual Property Operation Co., Ltd. |
|
| TR01 | Transfer of patent right |