CN101160690A - Method and apparatus for a radio transceiver - Google Patents
Method and apparatus for a radio transceiver Download PDFInfo
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- CN101160690A CN101160690A CNA2006800026429A CN200680002642A CN101160690A CN 101160690 A CN101160690 A CN 101160690A CN A2006800026429 A CNA2006800026429 A CN A2006800026429A CN 200680002642 A CN200680002642 A CN 200680002642A CN 101160690 A CN101160690 A CN 101160690A
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Abstract
A wireless radio transceiver which reduces interference between antennas positioned in substantially close proximity is disclosed. The exemplary radio transceiver comprises at least two radios, at least one antenna interfacing with each of the radios, at least one antenna spacer mounted to each of the antennas, and at least one shield, wherein each of the antenna spacers are mounted to one of the shields.
Description
The cross reference of pertinent literature
It is that the sequence number of 60/646019 U.S. Provisional Application and application on February 15th, 2005 is 60/653447 U.S. Provisional Application No. that the application requires the sequence number of 21 applications January in 2005, by reference the full text of these two applications is incorporated among the application at this.
The bulletin of data protected by copyright
The part information of patent document is subjected to the copyright protection of the Copyright Law of the U.S. and other countries.The copyright owner does not oppose that anyone duplicates this patent documentation or patent disclosure, and as the file or the archives that can obtain in United States Patent (USP) trademark office, but other all copyrights whatsoever all keep.The copyright owner does not abandon this patent documentation is kept secret any right, includes but not limited to the right according to 37C.F.R. § 1.14.
Technical field
Present invention relates in general to radio communication, more specifically to the method and apparatus of radio transceiver.
Background technology
Radio transceiver is used in the multiple application, for example, provides communication between computer, file server and other wireless devices.Radio transceiver can be benefited from the system that reduces the fully close interference between antennas in position fully.
Summary of the invention
Method and apparatus according to different execution modes of the present invention comprises the radio transceiver with at least two radio receiver-transmitters, with at least one mutual antenna of each radio receiver-transmitter, be installed at least one the antenna dividing plate on each antenna, and at least one shield.Each antenna dividing plate all is installed in the shield, and each antenna fully close with another antenna arrangements at least all.In one embodiment, the distance between any two antennas is the twice of at least one radio receiver-transmitter operating frequency wavelength at the most.
Description of drawings
In conjunction with the drawings, with reference to detailed explanation and claim, can more completely understand the present invention, wherein, in institute's drawings attached, identical figure mark is represented similar elements all the time, and:
Fig. 1 be according to an embodiment of the invention have two radio receiver-transmitters and with the end view of the radio transceiver of the mutual antenna of each radio;
Fig. 2 is the top view according to the radio transceiver of an embodiment of the invention;
Fig. 3 be according to an embodiment of the invention have two radio receiver-transmitters and with the front view of the radio transceiver of the mutual antenna of each radio receiver-transmitter;
Fig. 4 is the end view according to the radio transceiver with angled shield of an embodiment of the invention;
Fig. 5 be according to an embodiment of the invention have two radio receiver-transmitters and with the end view of the radio transceiver of mutual two antennas of each radio receiver-transmitter;
Fig. 6 is the front view according to the radio transceiver with two antennas of an embodiment of the invention;
Fig. 7 is the two-dimensional view according to the overlay area of the radio transceiver with two radio receiver-transmitters of an embodiment of the invention;
Fig. 8 is that the radio transceiver with two radio receiver-transmitters according to an embodiment of the invention has increased area coverage and increased the two-dimensional view of the overlay area of disturbing;
Fig. 9 is that the radio transceiver with two radio receiver-transmitters according to an embodiment of the invention has reduced area coverage and the two-dimensional view of the overlay area that reduced to disturb;
Figure 10 is the end view according to the radio transceiver with a radio receiver-transmitter and two antennas of an embodiment of the invention;
Figure 11 be according to an embodiment of the invention have two radio receiver-transmitters and with the end view of the radio transceiver of the mutual whip antenna of each radio receiver-transmitter;
Figure 12 be according to an embodiment of the invention have two radio receiver-transmitters, with the mutual antenna of each radio receiver-transmitter and form the end view of radio transceiver of the shield of single sheet;
Figure 13 be according to an embodiment of the invention have two radio receiver-transmitters, with the mutual antenna of each radio receiver-transmitter and form the end view of radio transceiver of the shield of single sheet;
Figure 14 be according to an embodiment of the invention have two radio receiver-transmitters and with three mutual end views of each radio receiver-transmitter as the radio transceiver of the antenna of multiple-input and multiple-output (MIMO) antenna work;
Figure 15 be according to an embodiment of the invention have a radio receiver-transmitter and with three mutual end views of each radio receiver-transmitter as the radio transceiver of the antenna of MIMO antenna work;
Figure 16 is the front view according to the radio transceiver with three antennas of an embodiment of the invention;
Figure 17 is the front view according to the radio transceiver with three antennas of an embodiment of the invention;
Figure 18 is the front view according to the radio transceiver with three antennas of an embodiment of the invention;
Figure 19 is the front view according to the radio transceiver with three antennas of an embodiment of the invention; And,
Figure 20 is the front view according to the radio transceiver with three antennas of an embodiment of the invention.
Embodiment
In the accompanying drawing, show exemplary embodiment, and show best mode by explanation.Though described these exemplary embodiments, under the situation that does not break away from the spirit and scope of the present invention, can realize other embodiment and other embodiment are changed.Therefore, the specific embodiment of describing only is used for explanation, rather than restriction.For example, any step in method of describing in the specification or the processing can be carried out with any suitable order, and is not limited to described order.Under the situation that does not break away from the spirit and scope of the present invention, the number of radio receiver-transmitter, the type of radio receiver-transmitter, the type of antenna, the layout of antenna, the size of dividing plate and type, and the shape of shield, size and material can be different; Therefore the execution mode that do not provided of protection range or the restriction of example.
The application's mode by reference, sequence number according to 15 applications June in 2004 is 10/869, the sequence number of the novel application of 201 U.S. utility and on June 29th, 2004 application is the instruction of 10/880,387 the novel application of U.S. utility, and the full text of these applications is incorporated among the application.For simple and clear purpose, this not to the conventional data network of this system, wireless technology, antenna operation, radio adaptation, standard communication protocol, capacitance, application development, and other function aspects of system's (with the parts in the independent functional unit of system) be explained in detail.In addition, the connecting line that comprises in this each figure is used to represent example functional relationships and/or the physical coupling between the various elements.It should be noted that in the system of a reality, many substituting or additional function sexual intercourse or physical connection can occur.The present invention can specifically be implemented as the customization design of an existing system, an addition product or a distributed system.
A part of the present invention is by describing according to the mode of functional parts and the whole bag of tricks.Such functional parts can be realized with any amount of parts that are configured to carry out concrete function and realize various effects.For example, the present invention can use any communication protocol of different employings and be operated in any frequency or have the radio type of any amount of channel that is suitable for using.The present invention can for any purpose for example, emission receives, noise reduction, many ways are surveyed or any other suitable purpose adopts the antenna or the antenna sets of any kind of.The antenna dividing plate can be with different materials for example, and medium, plastic cement, metal, biologic material or any suitable material form.Shield can form with Any shape, size and material, this material can reflect, absorb or to radio wave be neutrality for example, steel, aluminium, iron and other suitable materials.
In addition, the present invention can implement with any amount of application and environment, and system described herein is an exemplary application of the present invention.In addition, the present invention can use the conventional art that any amount ofly is used to make, test, discern wireless client, connects and communicate by letter with wireless client, communicate by letter with other radio transceivers etc.
Here the term of Cai Yonging " throughput " is meant and sends and/or receive the quantity of bit each second.Throughput is divided into two classes usually, is called total throughout and available data throughput.Total throughout is included in all bits that send and/or receive between two devices.Total throughout comprises that for example, the expense that communication protocol is required is relayed data, and data.Total throughout is conceptive relevant with bandwidth, and this total throughout is the total amount of the bit that transmits in available bandwidth.Along with the increase of available bandwidth, total throughout also can increase.Available data throughput refers to the real data that sends and/or receive.Available data throughput has been got rid of, and for example, is used for the bit of expense.Available data throughput is the total amount of the data of transmission each second and/or reception.Available data throughput also index according to throughput.Data throughout can be relevant with bandwidth, but it also is subjected to the influence of other factors, for example current noise, and high error rate, or other factors, these factors need communicator to reduce their transmission and/or transmit the speed of data.Data throughout can be enhanced, and for example by reducing to receive The noise, the demand that reduces to transmit increases the speed that sends and/or receive, and increases the available bandwidth that sends and/or receive.
According to the present invention the method and apparatus of various exemplary embodiments comprise have radio receiver-transmitter, the radio transceiver of antenna, antenna separation plate and shield.This radio transceiver is used for by transmitting and receiving radio signal and other wireless device.In radio transceiver a plurality of radio receiver-transmitters and/or a plurality of antenna make radio transceiver can with different wireless devices, for example a plurality of clients communicate, and improve data throughout simultaneously.Yet, a plurality of antennas are arranged on abundant approaching position may cause the interference between antennas of different directions and same magnitude, thereby reduce data throughout.Antenna dividing plate and shield can reduce interference between antennas.Except that overlay area, gain, bandwidth and the off resonance of antenna, the size of antenna dividing plate can change radio interference.The size of shield, shape and thickness can change the near-field interference between antenna and antenna coverage areas.When the crossover of the overlay area of two antennas, antenna coverage areas also may be adjusted into the formation virtual sectors.Have radio receiver-transmitter, antenna, antenna dividing plate, and the method and apparatus of the radio transceiver of shield can be used for the combination of any appropriate purpose or following purpose, for example wireless service is provided, is wirelessly sending data between the radio transceiver, between wireless device and cable network, setting up interface or any other suitable application for the client in office or family.This method and apparatus can be used for any system that uses antenna on fully near distance.
Especially, with reference to figure 1, the radio transceiver 10 of different illustrative examples comprises two radio receiver- transmitters 26 and 28 according to the present invention; Two shields 20 and 24; Two antenna dividing plates 12 and 16; Two antennas 14 and 18, and system electronics 22.Radio receiver- transmitter 26 and 28 can adopt I.E.E.E.802.11 or similar agreement and channel to communicate. Antenna 14 and 18 can be configured to work in the frequency range of I.E.E.E.802.11. Antenna dividing plate 12 and 16 make antenna arrangements with their shields separately and their positions at a distance from each other.System electronics 22 can be finished many functions, for example is provided to the passage of cable network, sets up the interface between the radio receiver-transmitter, is provided to the connection of computer and/or other electronic installation, and any other function in the application-specific.With reference to figure 7, shield 20,24 and antenna dividing plate 12,16 form the overlay area 30 and 32 of antenna 14 and 18 respectively.The shape and size of overlay area can reduce antenna coverage areas 30 and 32 and antenna 18 and 14 between interference.Overlay area 30 and 32 also can crossover to form virtual sectors 34 and 36.
About radio receiver-transmitter, radio receiver- transmitter 26,28 can be an any kind, shape, or size, and the configuration that is used for application-specific or environment.Radio system 26,28 can be operated in any agreement, frequency and channel, for example is used for I.E.E.E.802.11a, I.E.E.E.802.11b, I.E.E.E.802.11g, I.E.E.E.802.15, I.E.E.E.802.16, at least a agreement and channel in bluetooth and the ultra broadband.Radio system 26,28 can be integrated with the electronic equipment in the application-specific of any kind, for example is used for multiple-input, multiple-output (MIMO) antenna, adaptive array antenna, switch, the electronic equipment of network router and data storage.Radio receiver-transmitter can be configured to operate in the antenna of any kind or antenna sets, for example, radio system can be divided into have a plurality of front ends a rear end to serve the MIMO antenna.Radio system 26,28 can be any physical dimension, has the connector of any kind, has the arbitrary shape coefficient, and is contained in any type of encapsulation.For example, in one embodiment, each radio receiver-transmitter all is encapsulated in the canister.What radio receiver- transmitter 26,28 can have diversity switch and/or other type makes radio and at least two antenna assignment devices that antenna is mutual.
In an illustrative examples, radio receiver- transmitter 26,28 is configured to work under the I.E.E.E.802.11a/b/g agreement.With reference to figure 1-3, radio receiver-transmitter 26 and antenna 14 are mutual and radio receiver-transmitter 28 is mutual with antenna 18.Radio receiver-transmitter 28 is provided with adjacent to shield 24 in fact radio receiver-transmitter 26 adjacent to shield 20 is provided with in fact.In another embodiment, with reference to figure 5-6, radio receiver- transmitter 26 and 28 all uses electronic installation, for example, divide storage, the antenna synthesizer, the antenna assignment device, and the RF switch, make radio receiver-transmitter 26 and antenna 14 and 64 mutual, and make radio receiver-transmitter 28 and antenna 18 and 70 mutual.In another embodiment, with reference to Figure 10, independent radio receiver-transmitter 50 is by electronic installation, diversity switch for example, and the antenna synthesizer, antenna assignment device, and RF switch, mutual with antenna 40 and 44.In another embodiment, with reference to figure 5-6, radio receiver- transmitter 26 and 28 all uses electronic installation, for example, the diversity switch, antenna synthesizer, antenna assignment device, and RF switch, so that radio receiver-transmitter 26 and antenna 14 and 18 mutual and radio receiver-transmitter 28 is mutual with antenna 64 and 70.
With antenna be installed in can reduce on the shield by antenna detection to the noise from assigned direction.For example,, before arriving antenna 14, reduce its intensity, reduce the interference of noise source thus antenna 14 by shield 24 and shield 20 from the noise in the source of the same side that is positioned at shield 24 and antenna 18 (right side of shield 24) with reference to figure 1 and 7.As shown in Figure 1, adopted the radio receiver-transmitter of the shield and the antenna of the opposition side that is positioned at shield can use the antenna that the optimum signal that has minimum noise source interference is provided.For example, if noise source is positioned at the right side of shield 24, antenna 14 can provide the communication that has least interference for any specific client.Radio receiver-transmitter collaborative work each other by any way.For example, when radio receiver-transmitter 26 is disturbed, radio receiver-transmitter 26 can be permitted radio receiver-transmitter 28 and be finished all communication tasks, no matter disturbing, these continue operation, become new channel but not the used channel of radio receiver-transmitter 28, or high priority communication is given to radio receiver-transmitter 28 and is received the low priority communications from radio receiver-transmitter 28.
The radio receiver-transmitter of radio transceiver is not restricted to and adopts same protocol, frequency and channel.For example, with reference to figure 1, radio receiver-transmitter 26 can be configured to be operated in a communication protocol and radio system 28 can be configured to be operated in another communication protocol.More particularly, radio system 26 can be configured to be operated in I.E.E.E.802.11a and radio system 28 can be configured to be operated in I.E.E.E.802.11b/g.Same technology can be applied to the mutual radio system of a more than antenna in.
About shield, shield 20,24 can adopt and anyly be suitable for using or the material of environment or the combination of material.With reference to figure 7-9, be used to form the material reflection and/or the radio wave absorbing of shield, be to decide in some sense according to the overlay area 30 and 32 that changes antenna 14 and 18 respectively.Shield also can use the material that absorbs and/or suppress near-field interference.The one-component of near-field interference can be the magnetic field that is produced by antenna 14,18.The Exemplary materials of making shield can comprise steel, aluminium, Electroplating Aluminum, iron and other suitable material.Shield can be made Any shape, for example rectangle, hexagonal, foursquare, the angle, depression, projection arranged be fit to the shape of needed application with other.For example, with reference to Figure 12, the shield 20 among Fig. 1 and 24 is realized as independent shield 82.In another embodiment, with reference to Figure 13, shield 84 can have a plurality of limits to fix up an aerial wire 14,18, and antenna separation plate 12,16 and screened shielded antanna are avoided the interference of radio system 26,28 and system electronics 22.Shield can be virtually any size and/or thickness.In suitable environment, the metal shell that is used on some radio receiving equipments can be used as shield.Shield 20,24 is can be than radio system 26,28 much bigger and/or ratio antenna 14,18 is much bigger.The size of shield 20,24 also can be relevant with the wavelength of the used radio signal of radio receiver- transmitter 26,28 and/or antenna 14,18.
The material of shield 20,24, size, interval and shape can change by any way to produce the result of expectation.For example, adjust shield size, shape and interval 54 radio interference that can reduce between the antenna 14,18.For example, with reference to figure 7-9, shield size, shape and the overlay area 30,32 that can help at interval to be shaped serve as that near zero overlay area 32 that reaches antenna 14 is zero to be formed near antenna 18 overlay areas 30.More especially, adjust the size of shield, shape and interval can reduce between overlay area 30 and the antenna 18 and the interference between overlay area 32 and the antenna 14.And then the material of shield 20,24, size and placement location can reduce the interference between interference between radio receiver- transmitter 26,28 and the antenna 14,18 and/or system electronics 22 and the antenna 14,18.In addition, the material of shield and the interval between the antenna 56 can reduce the near-field interference between the antenna 14,18.Shield also can be served any less important purpose, for example as fin, shielding electromagnetic wave each other provides ground plane, form the shell of radio transceiver 10, surface finish is provided and is provided for installing radio transceiver 10 and/or the tie point of system electronics 22.The quantity of shield is unrestricted.For example, extra shield, the shield except that shield 20 and 24 can be placed on any position and be used for any purpose.
In a schematic embodiment, with reference to figure 1-3, shield 20,24th is essentially 63/1000 inch thick aluminium dish of rectangle.Shield 20 can be placed on one side of radio receiver-transmitter 26 and shield 24 is placed on one side of radio receiver-transmitter 28.In a schematic embodiment, the width of shield 20,24 and length can be greater than the length of the wavelength of the used frequency of radio receiver- transmitter 26,28 and/or antenna 14,18.Interval between the shield can be determined by the size and the position of radio receiver- transmitter 26,28 and/or system electronics 22. Antenna dividing plate 12 and 16 is placed in respectively on shield 20 and 24.
Shield can be an independent one piece material or multi-disc is identical and/or the set of different materials.In one embodiment, with reference to figure 4, horn shape shield 62 be connected on the shield 20,24 and reduce to occur between the antenna 14,18 radio transceiver 10 bottom periphery interference.The interval of the length of horn shape shield 62 and/or it and antenna 14 and 18 can be relevant to the wavelength of the used signal of radio receiver- transmitter 26,28 and/or antenna 14,18.The angle 72 of horn shape shield 62 can be any value in 0 to 90 scope of spending.In one embodiment, the angle 72 of horn shape shield 62 is approximately 45 degree.In another embodiment, with reference to Figure 13, angle 72 is that zero degree and horn shape shield 62 are the part of single shield 84.Horn shape shield 62 also can be positioned at the top of antenna 14 and 18 and/or with respect to any other suitable position of antenna 14,18.
About antenna, with reference to figure 1-3,5 and 11, antenna 14,18 can be to be used to use or any kind, shape, size and the structure of environment.Antenna 14,18 can be, for example suitable antenna type or the setting with the arrangement mutual multiple antenna of radio system of omnidirectional, orientation, paster, phased array, adaptive array, MIMO and other.Antenna can by any way and be that any appropriate purpose and radio system are mutual.From the signal of antenna emission can be directly and radio receiving equipment alternately or before sending to radio system by any suitable circuit, for example attenuator, AGC, weighting circuit, gain circuitry, filter, diversity switch and antenna assignment device carry out preliminary treatment.Can handle aerial signal at any appropriate purpose, for example synthetic signal from aerial array adopts MIMO antenna transmission or received signal, and select optimal antenna from a plurality of antenna.Do not require antenna 14,18th, same type and/or have same characteristic.In one embodiment, antenna 14 can be an omnidirectional antenna and antenna 18 is adaptive arraies.In another embodiment, antenna 14 can be a directional antenna and antenna 18 is MIMO antennas.In another embodiment, antenna 14 and 18 all is a directional antenna, but different angle of coverage is provided.In addition, antenna 14 and 18 can have any direction with respect to shield 20,24, for example level, vertically reach any other suitable angle so that on any angle, polarize radio signal.Interval 56 between the antenna can be to be used to use or any suitable distance of environment.
In illustrative examples, with reference to figure 1, antenna 14,18th acts on the downfield omnidirectional antenna under the desired frequency of I.E.E.E.802.11a/b/g communication protocol.Antenna 14 and 18 is installed in respectively on antenna dividing plate 12 and 16. Antenna dividing plate 12,16 is installed on the shield 20,24.In illustrative examples, antenna 14,18 is installed with respect to the top, horizontal of shield 20,24.The size of the interval 54 between the shield, the thickness of shield and antenna dividing plate 12,16 causes distance 56 between antenna less than the twice of I.E.E.E.802.11a/b/g wavelength.
Each antenna can be in any suitable manner, be placed on the position with respect to shield for appropriate purpose, for example for reducing interference between antennas, reduce antenna 14,18 and radio system 26,28 between interference, reduce antenna 14,18 and system electronics 22 between interference, and interrelate with each antenna 14,18 and to form overlay area 30,32.For example, with reference to figure 3, antenna 14 is placed in the distance from top 76 apart from shield 20, respectively apart from the left side of shield 20 and right side distance 74 and 78, and apart from the position of the distance from bottom 60 of shield 20.Increase the interference that distance 76 reduces to occur between antenna 14 and 18 the shield top, increase distance 74 and 78 and reduce to occur between antenna 14 and 18 shield interference on every side, and increase the interference that distance 60 reduces to occur between antenna 14 and 18 shield 20 bottom peripheries.Distance 74,76,78 and 60 is correlated with the used wavelength of radio receiver- transmitter 26,28 and/or antenna 14,18.For example, distance 74,76 and 78 can be the identical or different ratio or the multiple of antenna 14 used wavelength.In illustrative examples, distance 74,76 is the same long with the wavelength of the centre frequency of I.E.E.E.802.11a/b/g with 60 with 78.The horn shape shield, with reference to figure 4, also can be as reducing the interference on every side of shield edge.
Radio transceiver with each wireless transmitter that has two or more antennas can be placed antenna to reduce the interference between antenna with respect to shield in any form.With reference to figure 5-6, antenna 14 and 64 is served radio receiver-transmitter 26 and antenna 18 and 70 is served radio receiver-transmitter 28. Antenna 64 and 70 is placed on respectively apart from the position of antenna 14 and 18 distances 52 to reduce antenna to the interference between 14,64 and 18,70.In addition, relatively shield 20 and 24 side, antenna 64 and 70 is placed on and the interference of antenna 14 position similar with 18 with the top, side and the bottom periphery that reduce to occur in shield 20,24.Distance 52 and radio receiver- transmitter 26,28 and/or antenna 14,64,18,70 used wavelength are correlated with.In illustrative examples, distance 52 is about 1/4th of wavelength.Increase distance 52 and also can reduce antenna the near-field interference between 14,64 and 18,70.For example, increase distance 52 near-field interference that also can reduce between antenna 14 and 64.In illustrative examples, antenna the distance 52 between 14,64 and 18,70 is come down to I.E.E.E.802.11a and/or I.E.E.E.802.11b/g centre frequency wavelength about 1/4th.
About multiple-input, multiple-output (MIMO) antenna, above-mentioned all structures and use can the using MIMO antenna; Yet, the MIMO antenna can be described more especially.Usually, the MIMO antenna comprise at least two mutual and with same radio receiver-transmitter with the antenna of equal mode effect.For example, with reference to figure 5, the MIMO antenna comprises antenna 14 and 64.The antenna of forming the MIMO antenna can be an any kind, omnidirectional for example, and orientation, paster, whiplike, spiral and Yagi spark gap.Operate and mutual in equal mode as the antenna 14 of MIMO antenna effect and 64 with radio receiver-transmitter 26. Antenna 18 and 70 is also as MIMO antenna effect and mutual with radio receiver-transmitter 28.Forming the antenna of MIMO antenna can only operate as the reception antenna operation or as transmit/receive antenna only as the transmitting antenna operation.For example, when doing the time spent as the MIMO antenna, antenna 14 emission is from the signal of radio receiver-transmitter 26 and receive any signal that arrives of detection that can be by radio receiver-transmitter 26, and antenna 64 receives only the signal that arrives of detection that can be by radio receiver-transmitter 26.In one embodiment, with reference to Figure 14, antenna 14,64 and 86 is as MIMO antenna effect and mutual with radio receiver-transmitter 26. Antenna 18,70 and 92 is as MIMO antenna effect and mutual with radio receiver-transmitter 28. Antenna 14,86,18 and 92 transmit and receive signal and antenna 64 and 70 act on receiving mode.In another embodiment, with reference to Figure 15, antenna 14,64 and 86 is as MIMO antenna effect and mutual with radio receiver-transmitter 26. Antenna 14 and 86 emission and received signals, and antenna 64 receives only signal.In illustrative examples, antenna 14,64 and 86 is omnidirectional antennas.In another embodiment, antenna 14 and 86 is directional antennas and antenna 64 is omnidirectional antennas.
Forming the antenna of MIMO antenna can place with any way relative to each other.For example, the antenna placement that can be parallel to each other, vertical mutually the placement relative to each other placed with any specific angle, and placed on different planes.In illustrative examples, with reference to Figure 14 and 16, antenna 14,64 and 86 is parallel to each other and is parallel to the plane of shield 20.In another embodiment, with reference to Figure 17, antenna 14 and 86 be parallel to each other and antenna 64 perpendicular to antenna 14 and antenna 86.Each antenna all is parallel to the plane of shield 20.In another embodiment, with reference to Figure 18, antenna 14,64 with 86 relative to each other approximately to become 60 degree angles to place and be parallel to the plane of shield 20.In another embodiment, with reference to Figure 19, antenna 14 is mutually vertical with 64 and be parallel to the plane of shield 20.Antenna 86 is orthogonal to antenna 14,64 and perpendicular to the plane of shield 20.In another embodiment, with reference to Figure 20, antenna 14,64 and 86 is parallel to each other and is orthogonal to the plane of shield 20.
About the antenna dividing plate, with reference to Fig. 1-2, antenna dividing plate 12,16 can be to be suitable for using or any material, the size and dimension of environment.In illustrative examples, antenna dividing plate 12 and 16 is formed by the material of not lacking of proper care or influence antenna 14 and 18 performances, and for example plastics, nylon, special teflon and any other are suitable for the material of antenna type.In another embodiment, dividing plate 12 and 16 materials by interaction or change antenna 14 and 18 operations in a predefined manner form, for example metal and magnetic material.With reference to figure 2, antenna dividing plate 12,16 makes antenna 14,18 be positioned at position apart from any distance 80 of shield.Any position of antenna 14,18 can be supported and/or be connected to antenna dividing plate 12,16. Antenna 14,18 can be installed on the antenna dividing plate 12,16 in any suitable manner.This installation can be that fix or adjustable.It can be that fix or adjustable apart from the distance 80 of shield that antenna dividing plate 12,16 makes antenna 14,18. Antenna dividing plate 12,16 can be installed on the shield 20,24 in any suitable manner.That each antenna dividing plate 12,16 can comprise is dissimilar, size and position, and they depend on the type of used antenna and the result of the expectation that obtained by aerial position.The distance 80 that can set the size of antenna dividing plate and obtain at last anyly is suitable for using or the purpose of environment to finish.For example, the size that can regulate dividing plate reduces the quantity of the shield of Quiescent Antenna to form the shape of antenna coverage areas, reduces the near-field interference between antenna, changes antenna gain, and reduces the radio interference between antenna.As described above, the size of cooperation adjusting shield and the distance that the distance between the shield 54 can make 56 on antenna are less than the twice of radio receiver- transmitter 26,28 and/or antenna 14,18 used wavelength length.Regulate the influence and compromise will being described below of the size of antenna dividing plate.The antenna that is not placed the imbalance of nigh metal can be installed on the metal antenna dividing plate or be directly installed on the metallic shield body.
In illustrative examples, with reference to Fig. 1-2, antenna dividing plate 12,16 is made of plastics. Antenna dividing plate 12 and 16 is placed on respectively on shield 20 and 24. Antenna 14 and 18 is placed on respectively on antenna dividing plate 12 and 16.The distance that antenna dividing plate 12 and 16 size and shield are 54 makes antenna 14 and 18 be positioned over distance 56 places, and this distance is less than the twice of the wavelength of I.E.E.E.802.11a/b/g centre frequency.
About system electronics, system electronics 22 realizes the suitable effect of the application that is used for expecting of any kind.System electronics can be mutual with the system and/or the element of any kind, for example radio receiver-transmitter, antenna, cable network connection, computer bus, router, switch, analog circuit, digital circuit, or the like.System electronics 22 can realize following effect, the for example communication between the radio receiver-transmitter, processing is from the signal of a plurality of antennas that are used for the single radio R-T unit, provide and make the circuit of radio receiver-transmitter and MIMO antenna mutual, mutual with cable network, keep supply of electric power, for the data that send and/or receive provide memory space, and any other is appropriate to use or the function of environment.System electronics can be installed on radio receiver-transmitter, shield and/or the framework by any way and can adopt any interface and any system or element mutual.System electronics 22 can be partly and/or is integrated with radio receiver-transmitter fully and/or be separated on function and physically with radio receiver-transmitter.In illustrative examples, system electronics 22 is provided to the interface of cable network and memory space is provided for transmitting and receive data.
Any element or the system of above-mentioned discussion can carry out method discussed here.For example, with reference to figure 7-9, reduce fully close interference between antennas and adjust overlay area 30 and 32 and can adopt any suitable radio receiver- transmitter 26,28 by any way, system equipment 22, antenna 14,18, antenna dividing plate 12,16, and shield 20,24.In illustrative examples, reduce to disturb and regulate overlay area 30 and 32 and be included as and regulate day distance 80 of line-spacing shield and change antenna dividing plate 12,16 size (with reference to figure 2), regulate the shield size, by adjustable range 60,74,76 and 78 regulate the position (with reference to figure 3) of antenna with respect to shield, regulate shield 54 (with reference to figure 2) at interval, and regulate antenna spacing 56 (with reference to figure 2).The alternate manner that reduces to disturb comprises the shape that changes shield, for example, increases horn shape shield 62 (with reference to figure 4).
Interference value between antenna can be measured by any suitable mode, near the overlay area signal strength signal intensity for example relative antenna (just, zero), near the value of the signal to noise ratio the radio transceiver, and data throughout.Remove any interference from external noise source, the useful data throughput that is used to measure interference be we can say the interference between line tomorrow, the interference between antenna and radio receiver-transmitter, and the interference between antenna and system electronics.In illustrative examples, data throughout is as the factor of the increase or the minimizing that are used to detect interference.
About the size of antenna dividing plate, with reference to Fig. 1-2, antenna dividing plate 12,16 can be virtually any size and antenna 14,18 is placed on apart from the position of any distance 80 of shield.Usually, with reference to figure 1,7-9 reduces distance 80 by the size that reduces antenna dividing plate 12 and can make overlay area 30 become narrow, improves gain, reduces the bandwidth of antenna 14.Depend on antenna type, portable antenna 14 is to making antenna 14 imbalances with the near excessively distance of shield 20.With reference to figure 2, regulate antenna dividing plate 12 and 16 distances 56 that also can change between antenna.As mentioned above, keep distance less than the twice of the used wavelength of radio receiver- transmitter 26,28 and/or antenna 14,18 can reduce radio interference between antenna.And then the size of raising antenna dividing plate 12,16 can reduce the near-field interference between antenna.In addition, because distance 80, the distance of day line-spacing shield can be made contributions for the shape of the overlay area of antenna, and antenna dividing plate 12 and 16 size can be made contributions for the formation of virtual sectors.
Relation between the potential interference between the shape of baffle dimensions, overlay area and the antenna 14,18 can describe by Fig. 7-9.Setting dividing plate 12 and 16 is that specific size can cause the formation in zero overlay area and virtual sectors 34 and 36 at relative antenna place.In one embodiment, with reference to figure 7, the overlay area 30 of antenna 14 forms virtual sectors 34 and 36 around radio transceiver 10, but does not have potato masher antenna 18 in fact.Equally, the overlay area 32 of antenna 18 forms virtual sectors 34 and 36 around radio transceiver 10, but does not have potato masher antenna 14 in fact.In another embodiment, with reference to figure 8, antenna dividing plate 12 and 16 size have increased; Thus, increased distance 80.Increasing distance 80 has just increased the overlay area 30 and 32 of radio transceiver 10 ambient antennas 14 and 18.Increase overlay area 30,32 and can increase the interference between the overlay area 32 of the overlay area 30 of the size of virtual sectors 34,36 and antenna 18 and antenna 14.The size that increases antenna dividing plate 12,16 can reduce near-field interference and/or antenna imbalance.In another embodiment, with reference to figure 9, the size that reduces antenna dividing plate 12,16 reduced overlay area 30,32 and reduced the overlay area 30 of antenna 18 thus and the overlay area 32 of antenna 14 between interference.Yet the size that has reduced antenna dividing plate 12,16 can increase near-field interference and/or antenna imbalance.Reduce the size that overlay area 30,32 also can reduce virtual sectors 34,36.
In illustrative examples,, can regulate antenna dividing plate 12 and 16 to set the twice of antenna distance 56 less than the wavelength of the used radio signal of radio receiver- transmitter 26,28 and/or antenna 14,18 with reference to Fig. 1-2 and 7.Depend on antenna type, distance 80 is enough to reduce the influence of Quiescent Antenna 14 and 18.Setpoint distance 56 can cause interference between antenna less than the twice of wavelength, near-field interference, and antenna gain, the size of the beamwidth of antenna and virtual sectors is in acceptable level.What illustrative examples adopted is and the protocol-dependent frequency of I.E.E.E.802.11a/b/g, agreement and channel.Even 802.11 agreements (for example provide MIN interference channel, channel 1,6 and 11) transmit and receive with identical in fact physical region on different channels with permission, when the antenna that adopts different MIN interference channels was placed fully closely, 802.11 channels may be interfering with each other.When the distance between antenna just thinks that antenna distance is near fully during less than about twice of the used frequency wavelength of antenna.Regulate antenna dividing plate 12 and 16 to provide antenna distance 56 less than the twice of 802.11a/b/g centre frequency wavelength can reduce interference between the used MIN interference channel of the fully near antenna of distance.Reduce to disturb the data throughput rate that can improve available radio transceiver 10.
About the size of shield, shield can be the virtually any size that is suitable for using.All shields can have close size or each shield is of different sizes.With reference to figure 3, the size of shield 20,24 can influence the overlay area, reduces to disturb and change the size of virtual sectors.The shield of preliminary dimension can form the overlay area shown in Fig. 7, and wherein overlay area 30 does not have potato masher antenna 18 in fact and overlay area 32 does not have potato masher antenna 14 in fact.When (for example keeping all other factorses, antenna baffle dimensions, antenna size, antenna type and antenna directivity) constant substantially, the overlay area that the size that reduces shield can be expanded the shield side periphery to be increasing the overlay area, virtual sectors and interference value, as shown in Figure 8.All other factorses are constant substantially when keeping, and the size that increases shield can reduce the overlay area of shield side periphery so that overlay area as shown in Figure 9, virtual sectors and interference value to be provided.
With reference to figure 3, the size that increases shield in the time of the size that keeps antenna 14, shape and type can increase distance 60,74,76 and 78; Thus, the distance that increases between antenna 14 and 20 1 sides of shield can reduce overlay area 30 on every side, shield side 20, and 20 have increased on every side apart from the interference that has also reduced 18 on overlay area 30 and antenna thus in the shield side.For example, with reference to figure 3, increase the overlay area that distance 74 can reduce shield 20 side periphery antennas 14 by the size that increases shield 20.Increase the overlay area that distance 60 can reduce shield bottom periphery antenna 14 by the size that increases shield.Positioning antenna 14 order distance 74,76 and 78 is not close in fact can to cause asymmetric overlay area, the virtual sectors 34 and 36 of asymmetric interference and different size.Antenna with respect to the placement location of the side of shield on without limits.With reference to figure 2, increase apart from 54 overlay areas that can move an antenna and also can reduce interference away from relative antenna.
Though above-mentioned explanation comprises many details, these should not be construed as limiting the scope of the invention, and on the contrary, some exemplary embodiment of the present invention only is used to provide explanation.Scope of the present invention comprises other embodiment fully, therefore and scope of the present invention is not by other but additional claims limit, standby odd number and do not mean that " one and only one " when mentioning an element wherein, unless offer some clarification on, otherwise mean " one or more ".All equivalents suitable with those elements of above-mentioned exemplary embodiment on structure, compound and function are specially incorporated in the claim by reference, and unless stated otherwise, otherwise claim will mean and comprise these equivalents.In addition, there is no need because the application's claim has comprised device or method, and state each problem that device of the present invention or method manage to solve.In addition, not having element, parts or method step among the present invention is that the public is given in contribution, no matter whether clearly enumerate this element, parts or method step in the claim.Do not have claimed element to explain according to the clause of the 6th section U.S.C.112, unless utilize word " be used for ... device " clearly state this element.Term " comprises ", " comprising " or other any declinations all are tending towards covering non-exclusive and comprise, for example, a kind of processing, method, project or device comprise the element of listing, do not represent only to comprise these elements, and can comprise element that other are not clearly listed or these processing, method, project or device intrinsic element.The title of each several part and exercise question just are used for the purpose of file organization, and limit the scope of the invention never in any form.
Claims (according to the modification of the 19th of treaty)
International office was received on July 27th, 2006 (27.7.2006)
1. radio transceiver comprises:
Be set at first radio receiver-transmitter that utilizes first frequency to transmit and receive;
Be set at second radio receiver-transmitter that utilizes second frequency to transmit and receive;
Have first overlay area and with the first mutual antenna of described first radio receiver-transmitter;
Have second overlay area and with the second mutual antenna of described second radio receiver-transmitter;
Be installed in the first antenna dividing plate on described first antenna;
Be installed in the second antenna dividing plate on described second antenna;
Shield with a certain size, first side and second side, the wherein said first antenna dividing plate is installed on described first side, described first side of described first antenna distance is placed at a distance of first distance, and the described second antenna dividing plate is installed on described second side, and described second side of described second antenna distance is placed at a distance of second distance;
Between wherein said first antenna and described second antenna the 3rd distance is at least one the twice at the most of wavelength in described first frequency and the described second frequency;
In wherein said size, described first distance and the described second distance at least one is adjustable, and therefore the described thus first overlay area crossover forms at least one virtual sectors in described second overlay area.
2. radio transceiver as claimed in claim 1 is characterized in that, at least one in described first radio receiver-transmitter and described second radio receiver-transmitter is encapsulated in the canister, and wherein said canister is as described shield.
3. radio transceiver as claimed in claim 1 is characterized in that, at least one in described first distance and the described second distance approximately be in described first frequency and the described second frequency at least one wavelength 50/1000.
4. radio transceiver as claimed in claim 1 is characterized in that, at least one in described first radio receiver-transmitter and described second radio receiver-transmitter adopts IEEE 802.11a/b/g, bluetooth, ultra broadband, IEEE802.15, at least a in IEEE 802.16 communication protocols.
5. radio transceiver as claimed in claim 1, further comprise have the 3rd overlay area and with the mutual third antenna of described first radio receiver-transmitter, wherein said first antenna and described third antenna are worked as the MIMO antenna.
6. radio transceiver as claimed in claim 1 is characterized in that, at least one in described first antenna and described second antenna is omnidirectional, orientation, paster, Yagi spark gap, array, adaptive array, MIMO, parabola, at least a in electron beam and the cubical antenna.
7. radio transceiver as claimed in claim 1 is characterized in that the shape of described shield comes down to rectangle.
8. radio transceiver as claimed in claim 1 further comprises at least one the horn shape shield at least one side that is installed in described shield.
9. radio transceiver as claimed in claim 1 further comprises the secondary shielding body, and the wherein said second antenna dividing plate is installed on the described secondary shielding body.
10. radio transceiver as claimed in claim 5 is characterized in that, described first overlay area and described the 3rd overlay area be crossover basically.
11. radio transceiver as claimed in claim 10, further comprise have the 4th overlay area and with the 4th mutual antenna of described second radio receiver-transmitter, wherein said second antenna and described the 4th antenna are worked as the MIMO antenna.
12. radio transceiver as claimed in claim 11 is characterized in that, described second overlay area and described the 4th overlay area be crossover basically.
13. radio transceiver as claimed in claim 12, it is characterized in that, in described first radio receiver-transmitter and described second radio receiver-transmitter at least one adopts IEEE 802.11a/b/g, bluetooth, ultra broadband, IEEE802.15, at least a in IEEE 802.16 communication protocols.
14. radio transceiver as claimed in claim 12 is characterized in that, described first antenna and described third antenna mutually with parallel, vertical, become predetermined angular and on Different Plane at least a mode place.
15. radio transceiver as claimed in claim 12 is characterized in that, described second antenna and described the 4th antenna mutually with parallel, vertical, become predetermined angular and on Different Plane at least a mode place.
16. a radio transceiver comprises:
Be set at first radio receiver-transmitter that utilizes first frequency to transmit and receive;
Be set at second radio receiver-transmitter that utilizes second frequency to transmit and receive;
Have first overlay area and with the first mutual antenna of described first radio receiver-transmitter;
Have second overlay area and with the second mutual antenna of described second radio receiver-transmitter;
First shield with first size, first shape and first thickness;
Secondary shielding body with second size, second shape and second thickness; Wherein said first antenna is installed on first aerial position of described first shield, and described second antenna is installed on second aerial position of described secondary shielding body, and wherein said first shield and described secondary shielding body are separated placement;
Separation distance between wherein said first antenna and described second antenna is at least one the twice at the most of wavelength in described first frequency and the described second frequency;
In wherein said first size, described second size, described first shape, described second shape, described first thickness, described second thickness, described first aerial position, described second aerial position and the described separation distance at least one is adjustable, therefore the described thus first overlay area crossover forms virtual sectors in described second overlay area.
17. a radio transceiver comprises:
Be set at first radio receiver-transmitter that utilizes first frequency to transmit and receive;
Be set at second radio receiver-transmitter that utilizes second frequency to transmit and receive;
Second group of first group and at least two the antenna formation that at least two antennas constitute; Each described antenna has overlay area separately, and described first group of antenna and described first radio receiver-transmitter are mutual, and described second group of antenna and described second radio receiver-transmitter are mutual;
Shield with a certain size, first side and second side, wherein said first antenna sets is installed on described first side and described second antenna sets is installed on described second side, each antenna in described first group all be installed in separately first group of aerial position and described second group in each antenna all be installed in separately second group of aerial position;
Described antenna in wherein said first group is as the work of MIMO antenna, and the described antenna in described second group is worked as the MIMO antenna;
Separation distance between wherein said first group and described second group is at least one the twice at the most of wavelength in described first frequency and the described second frequency;
In wherein said size, described first group of aerial position and the described second group of aerial position at least one is adjustable, therefore described thus first group described antenna coverage areas crossover forms virtual sectors in described second group described antenna coverage areas.
18. radio transceiver as claimed in claim 17, it is characterized in that, described first group with described second group at least one any two described antennas mutually with substantially parallel, become predetermined angular, basic vertical and basic at least a mode on Different Plane to place substantially.
19. radio transceiver as claimed in claim 17, it is characterized in that, described first group with described second group at least one at least one described antenna with respect to described shield with substantially parallel, become predetermined angular, basic vertical and basic at least a mode on Different Plane to place substantially.
20. radio transceiver as claimed in claim 17 is characterized in that, at least one in described first group and described second group comprises two, three, and four, at least a in five and six antennas.
21. a method of regulating interference comprises:
Selected antenna;
At least one value in the data throughout that measure to disturb and receive by selected antenna;
Measure the size of virtual sectors;
Regulate shield size, shield at interval, antenna is with respect to the position of shield, and in the antenna baffle dimensions at least one;
Repeat at least one in sector size, interference and the data throughout of each antenna of described selected step, described measuring process, described measuring process and described regulating step and reach desired value.
22. method as claimed in claim 21, it is characterized in that described interference value can be measured by the signal to noise ratio of antenna reception and at least a method in the measurement data throughput by signal strength signal intensity, the measurement of antenna reception by near near the signal to noise ratio signal strength signal intensity, the measurement radio transceiver measurement antenna, measurement.
23. method as claimed in claim 21 is characterized in that, the desired value of described data throughout is the data throughout of available maximum.
Claims (23)
1. radio transceiver comprises:
At least two radio receiver-transmitters, wherein each radio receiver-transmitter is configured to use a certain frequency emission and reception;
With at least one mutual antenna of each radio receiver-transmitter;
Be installed in the antenna dividing plate on described each antenna; And
At least one shield, wherein said each antenna dividing plate is installed on one of them shield, and the distance between wherein any two antennas is the twice at the most of wavelength of the frequency of at least one radio receiver-transmitter.
2. radio transceiver as claimed in claim 1 is characterized in that at least one radio receiver-transmitter is encapsulated in the canister, and wherein said canister is as at least one shield.
3. radio transceiver as claimed in claim 1, it is characterized in that at least one antenna dividing plate is placed on shield that distance installed described antenna dividing plate approximately on 50/1000 the position of the wavelength of the frequency of at least one radio receiver-transmitter with at least one antenna.
4. radio transceiver as claimed in claim 1 is characterized in that, at least one radio receiver-transmitter adopts IEEE 802.11a/b/g, bluetooth, and ultra broadband, IEEE 802.15, at least a in IEEE 802.16 communication protocols.
5. radio transceiver as claimed in claim 1 is characterized in that, at least one radio receiver-transmitter is mutual with at least two antennas as the work of MIMO antenna.
6. radio transceiver as claimed in claim 1 is characterized in that at least one antenna is an omnidirectional, orientation, paster, Yagi spark gap, array, adaptive array, MIMO, parabola, at least a in electron beam and the cubical antenna.
7. radio transceiver as claimed in claim 1 is characterized in that the shape of at least one shield comes down to rectangle.
8. radio transceiver as claimed in claim 1 further comprises at least one the horn shape shield at least one side that is installed at least one shield.
9. radio transceiver as claimed in claim 1 comprises two radio receiver-transmitters, with three mutual antennas of each radio receiver-transmitter, and a shield.
10. radio transceiver as claimed in claim 9 is characterized in that, works as the MIMO antenna with the described antenna that at least one radio receiver-transmitter is mutual.
11. radio transceiver as claimed in claim 1 comprises two radio receiver-transmitters, with a mutual antenna of each radio receiver-transmitter, and a shield.
12. radio transceiver as claimed in claim 1 comprises two radio receiver-transmitters, with a mutual antenna of each radio receiver-transmitter, and two shields.
13. radio transceiver as claimed in claim 12 is characterized in that, at least one radio receiver-transmitter adopts IEEE 802.11a/b/g, bluetooth, and ultra broadband, IEEE 802.15, at least a in IEEE 802.16 communication protocols.
14. radio transceiver as claimed in claim 1 comprises two radio receiver-transmitters, with two mutual antennas of each radio receiver-transmitter, and two shields.
15. radio transceiver as claimed in claim 14 is characterized in that, works as the MIMO antenna with the described antenna that at least one radio receiver-transmitter is mutual.
16. a radio transceiver comprises:
At least two radio receiver-transmitters, wherein each radio receiver-transmitter is configured to utilize a certain frequency emission and reception;
With at least one mutual antenna of each radio receiver-transmitter; And
At least one shield, wherein each antenna is installed on one of them shield, and the distance between wherein any two antennas is the twice at the most of the wavelength of at least one wireless frequency.
17. a radio transceiver comprises:
At least one radio receiver-transmitter;
With the mutual MIMO antenna of each radio receiver-transmitter, wherein each MIMO antenna comprises at least two antennas; And
At least one shield, wherein each MIMO antenna is installed on one of them shield.
18. radio transceiver as claimed in claim 17 is characterized in that, any two antennas that comprise described MIMO antenna become predetermined angular substantially mutually with substantially parallel, and at least a mode of basic vertical centering control is placed.
19. radio transceiver as claimed in claim 17 is characterized in that, at least one antenna that comprises described MIMO antenna with substantially parallel, becomes predetermined angular with respect to shield substantially, and at least a mode of basic vertical centering control is placed.
20. radio transceiver as claimed in claim 17 is characterized in that, the antenna amount that comprises described each MIMO antenna is two, three, at least one in four, five and six.
21. a method of regulating interference comprises:
Selected antenna;
At least one value in the data throughout that measure to disturb and receive by selected antenna;
Regulate shield size, shield at interval, antenna is with respect to the position of described shield, and in the antenna baffle dimensions at least one;
Repeat described selected step, described measuring process, and described regulating step reaches desired value up to the interference of each antenna and at least one in the data throughout.
22. method as claimed in claim 21, it is characterized in that described interference value can be measured by near the signal to noise ratio near the signal strength signal intensity the measurement antenna, the measurement radio transceiver, the signal strength signal intensity of measuring the antenna reception, the signal to noise ratio of measuring the antenna reception and at least a method in the measurement data throughput.
23. method as claimed in claim 21 is characterized in that, the desired value of described data throughout is the data throughout of available maximum.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64601905P | 2005-01-21 | 2005-01-21 | |
| US60/646,019 | 2005-01-21 | ||
| US60/653,447 | 2005-02-15 | ||
| US11/275,605 | 2006-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101160690A true CN101160690A (en) | 2008-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800026429A Pending CN101160690A (en) | 2005-01-21 | 2006-01-20 | Method and apparatus for a radio transceiver |
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| Country | Link |
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| CN (1) | CN101160690A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469584A (en) * | 2008-06-17 | 2016-04-06 | 罗斯蒙德公司 | Form factor and electromagnetic interference protection for process device wireless adapters |
| WO2018028162A1 (en) * | 2016-08-08 | 2018-02-15 | 华为技术有限公司 | Decoupling assembly, multi-antenna system and terminal |
| CN112103646A (en) * | 2020-09-16 | 2020-12-18 | 吴美珠 | Combined antenna |
| CN112909540A (en) * | 2019-11-19 | 2021-06-04 | 上海华为技术有限公司 | Antenna device and equipment |
| US12015457B2 (en) | 2006-02-28 | 2024-06-18 | Woodbury Wireless, LLC | MIMO methods and systems |
-
2006
- 2006-01-20 CN CNA2006800026429A patent/CN101160690A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12015457B2 (en) | 2006-02-28 | 2024-06-18 | Woodbury Wireless, LLC | MIMO methods and systems |
| CN105469584A (en) * | 2008-06-17 | 2016-04-06 | 罗斯蒙德公司 | Form factor and electromagnetic interference protection for process device wireless adapters |
| WO2018028162A1 (en) * | 2016-08-08 | 2018-02-15 | 华为技术有限公司 | Decoupling assembly, multi-antenna system and terminal |
| US10950933B2 (en) | 2016-08-08 | 2021-03-16 | Huawei Technologies Co., Ltd. | Decoupling assembly, multiple-antenna system, and terminal |
| CN112909540A (en) * | 2019-11-19 | 2021-06-04 | 上海华为技术有限公司 | Antenna device and equipment |
| CN112909540B (en) * | 2019-11-19 | 2023-08-22 | 上海华为技术有限公司 | Antenna device and equipment |
| CN112103646A (en) * | 2020-09-16 | 2020-12-18 | 吴美珠 | Combined antenna |
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