CN200947110Y - System for performing measurement with intelligent antenna in wireless communication system - Google Patents
System for performing measurement with intelligent antenna in wireless communication system Download PDFInfo
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- CN200947110Y CN200947110Y CN 200520107250 CN200520107250U CN200947110Y CN 200947110 Y CN200947110 Y CN 200947110Y CN 200520107250 CN200520107250 CN 200520107250 CN 200520107250 U CN200520107250 U CN 200520107250U CN 200947110 Y CN200947110 Y CN 200947110Y
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Abstract
A method for taking measurements with a smart antenna in a wireless communication system having a plurality of STAs begins by sending a measurement request from a first STA to a second STA. At least two measurement packets are transmitted consecutively from the second STA to the first STA. Each measurement packet is received at the first STA using a different antenna beam. The first STA performs measurements on each measurement packet and selects an antenna beam direction based on the measurement results.
Description
Technical field
The relevant a kind of wireless communication system of the utility model, especially relevant in described wireless communication system, the apparatus and method of utilizing smart antenna effectively to measure.
Background technology
In a WLAN (WLAN), an access point (AP) and a platform (STA) but equipped with smart antenna, for instance, a multiple wave beam/directional antenna system.AP and STA all need to carry out measurement transferred to or be received from another STA with decision optimum beam, and the STAs with a plurality of wave beams typically carries out scanning on different wave beams, are their best wave beams of service so which is estimated.By AP and/or the performed scanning of STAs, can use illusory package, data packet, 802.11 affirmations (ACK) or broadcasting packages to carry out, measure then must upgrade continually and just can.
On an AP, the wave beam handoff algorithms uses the package from a STA to carry out antenna measurement, and best wave beam (measure based on the package that is received, for example, a received power or signal and interference-to-noise ratio (SINR)) then just with transmitting package to described STA.On STA, existing wave beam handoff algorithms can use data packet or beacon, to determine correct reception and transmit antenna/wave beam of described AP.This kind antenna measurement mode is not very efficient, and this is to be time-consuming very because will obtain enough measurements with the correct wave beam that determines each STA.
Another problem of this kind beam selection method is that to receiving and transmitting both beam selection aspects, it is based on receiving the measurement that package is done.Yet in fact, the optimum beam of transmission may not can and the optimum beam identical (especially aspect the frequency division duplex system) that receives.
The utility model content
A kind of method of measuring with a smart antenna in a wireless communication system, described wireless communication system has a plurality of STAs.At first send a measurement request to the 2nd STA by one the one STA, at least two are measured package is to transfer to a described STA by described the 2nd STA.Each measures package is to use different antenna beams to receive on a described STA.A described STA carries out measurement on every described measurement package, and selects an antenna beam direction according to measurement result.
A kind of method of measuring with a smart antenna in a wireless communication system, described wireless communication system has a plurality of STAs.At first send a measurement request to the 2nd STA by one the one STA, at least two are measured package is to transfer to a described STA by described the 2nd STA.Each measures package is to use different antenna beam transmission on a described STA.Described the 2nd STA receives every described measurement package and carries out on every described measurement package and measure.Described the 2nd STA produces a measurement report according to described measurement result, and sends described measurement report to a described STA.A described STA selects to select an antenna beam direction according to described measurement report.
A kind of system of measuring with a smart antenna in a wireless communication system, it comprises one the one STA and one the 2nd STA.A described STA comprises first transmitter/receiver; One first antenna, it is connected to described first transmitter/receiver; One measures the package request unit, and it is connected to described first transmitter/receiver; One measures the package analytical equipment, and it is connected to described first transmitter/receiver; And a wave beam modifier, it is connected to described first transmitter/receiver and described measurement package analytical equipment.Described the 2nd STA comprises second transmitter/receiver; One second antenna, it is connected to described second transmitter/receiver; One measures package request receiving trap, and it is connected to described second transmitter/receiver; And one measure the package transmission device, and it is connected to described second transmitter/receiver and described measurement package request receiving trap.
A kind of system of measuring with a smart antenna in a wireless communication system, it comprises one the one STA and one the 2nd STA.A described STA comprises first transmitter/receiver; One first antenna, it is connected to described first transmitter/receiver; One measures the package request unit, and it is connected to described first transmitter/receiver; One measures the package transmission device, and it is connected to described first transmitter and described measurement package request unit; One wave beam modifier, it is connected to described first transmitter/receiver and described measurement package transmission device; And a measurement report analysis device, it is connected to described first transmitter/receiver and described wave beam modifier.Described the 2nd STA comprises second transmitter/receiver; One second antenna, it is connected to described second transmitter/receiver; One measures package request receiving trap, and it is connected to described second transmitter/receiver; And a measurement report generation device, it is connected to described second transmitter/receiver and described measurement package analytical equipment.
The utility model has not only solved the problem of the measurement support of smart antenna, and can implement in an AP, a non-AP STA or both.The utility model also provides a kind of signal transmitter system, measure with received signal intensity indication (RSSI) or the SINR that obtains between two platforms each transmission or receiving antenna, also provide correctly to upgrade between the scanning to receive the mechanism of measuring, and effectively solve the efficiency of wireless communication system antenna measurement in the prior art.
Description of drawings
By the description of a hereinafter preferred embodiment, the example that is given, with reference to corresponding graphic, the utility model can obtain to understand in more detail, wherein:
Figure 1 shows that a measurement request package synoptic diagram;
Figure 2 shows that one measures the package synoptic diagram;
Figure 3 shows that a measurement report package synoptic diagram;
Figure 4 shows that the method flow diagram of carrying out antenna measurement;
Figure 5 shows that the signal schematic representation of method shown in Figure 4;
Figure 6 shows that second method flow diagram of carrying out antenna measurement;
Figure 7 shows that the signal schematic representation of method shown in Figure 6;
Figure 8 shows that physical layer integration protocol (PLCP) frame format synoptic diagram; And
Figure 9 shows that according to Fig. 4 and method shown in Figure 6, be used for the system schematic of communication metrical information.
Embodiment
After this, proprietary term " platform (STA) ", it comprises but is not limited to, a wireless transmission/receive unit, user's equipment, a fixing or mobile subscriber unit, a calling set or any type of device that can operate under a wireless environment.When after this this paper mention proprietary term " access point (AP) ", it comprises but is not limited to, a platform, a Node B, a platform controller or any type of interface arrangement under wireless environment.
The utility model not only solves the problem of the measurement support of smart antenna, and can implement in an AP, a non-APSTA or both.The utility model provides a kind of signal transmitter system, measures with received signal intensity indication (RSSI) or the SINR that obtains between two platforms each transmission or receiving antenna, also provides and correctly upgrades the mechanism of measuring that receives between the scanning.
The utility model uses a kind of action action frame in order to antenna measurement, produces a kind of kind of new action action frame whereby, and it is called " antenna measurement ".The kind of this action action frame comprises a measurement request package, measures the action field of response package and illusory measurement package, and action action frame is defined in (that is 802.11k, 802.11e) in the wlan standard at present.Measurement package of the present utility model also can be the part of separating controlling package or management package.
Figure 1 shows that according to a measurement request package 100 of the present utility model described measurement request package 100 comprises transmission or receives the fields such as quantity, antenna information 104, request form 106 and measurement report request 108 of package 102.The quantity of transmission or reception package 102 is according to selecting an antenna as decline environment and the parameter of time, and in one embodiment, a preferred values is 10 packages of line every day.Described antenna information 104 comprise antenna beam identification or any other can be in order to discern the information of an antenna or one group of antenna.Two possible request forms 106 will be in hereinafter explaining with reference to Fig. 4 and Fig. 6, yet, it should be noted that a lot of possible modes are sent in measurement indicated in the request form field 106 and obtain response.Measurement report request field 108 comprises a SNR measurement parameter and a RSS measurement parameter.
Figure 2 shows that described measurement package 200 comprises antenna identifying information 202 and existing package sequence number 2024 according to a measurement package 200 of the present utility model.Described antenna identifying information 202 comprise antenna beam identification or any can be in order to discern the information of an antenna or one group of antenna.
Figure 3 shows that according to measurement report package 300 of the present utility model described measurement report package 300 comprises sequence information 302 (sequence number of described package), aerial information 304 (that is antenna identifying information), measure R SSI value 306 and measures SNR value 308.
Measurement request and response can be begun by STA or AP, measurement request package 100 and the transmission whenever of measuring that response package 300 can be when described STA links to each other with described AP, described STA can be allowed to use these technology, to measure from each antenna before being linked to described AP or to be sent to the signal of each antenna.
Figure 4 shows that it is according to one first embodiment of the present utility model in order to measure method 400 process flow diagrams of packet-switched between two STAs STA1 and STA2.Described method 400 is to send a measurement request package with STA1 to begin to STA2 (step 402).STA2 receives described measurement request package (step 404) and sends an ACK to STA1 (step 406).STA2 then transmits one and measures package to STA1 (step 408).STA1 receives described measurement package and measures the RSSI and/or the SNR (step 410) of described measurement package.If all specified in measurement request package packages transmit all, then can make a decision.
If all packages are not transmitted as yet, then STA1 can change its received beam (step 414).STA2 (step 408) before the next package of transmission can wait for the interframe space (SIFS) (step 416) of a weak point.In a preferred embodiment, STA2 can wait for SIFS, yet the stand-by period is variable, and can be greater or less than described SIFS.The variation of stand-by period is that the particular implementation of the degree of accuracy of the time span required with the switched antenna wave beam, system lock and any other and time correlation is relevant.If all packages have been transmitted (step 412), then described STA1 can select described transmission beam (step 418) according to all measure R SSI and/or SNR value, and described method stops (step 420) subsequently.
Figure 5 shows that the signal schematic representation of method 400, show the packet-switched between STA1 502 and STA2 504.STA1 502 sends a measurement request package 506 to STA2 504.STA2 504 can wait for a SIFS 508 before transmission one ACK 510 is with response measurement Request Packet 506.STA2 504 then sends a plurality of measurement packages 5121 continuously ... 512n, each measures package 512 is to be divided by a SIFS514 to open.At described SIFS therebetween, STA1 502 changes its received beams, makes each package 5121 ... 512n receives on different wave beams.STA1 502 then uses the received signal intensity of each package 502 to select correct wave beam.
Figure 6 shows that it is according to one second embodiment of the present utility model in order to measure method 600 process flow diagrams of packet-switched between two STAs STA1 and STA2.Described method 600 is to begin to STA2 (step 602) to send a measurement request package.STA2 receives described measurement request package (step 604) and sends an ACK to STA1 (step 606).STA1 sends a measurement request (step 608) from a wave beam.STA2 receives described measurement package and measures the RSSI and/or the SNR (step 610) of described package.No matter all whether being transmitted by the specified measurement package of measurement request package all can be made a decision (step 612).If all measurement packages are not transmitted as yet, then described STA1 changes described transmission beam (step 614), waits for a SIFS (step 616), and sends a package (step 608) by a new wave beam.In a preferred embodiment, STA2 can wait for SIFS, yet the stand-by period is variable, and can be greater or less than described SIFS.The particular implementation of the degree of accuracy of the required time span of the variation system of stand-by period and switched antenna wave beam, system lock and any other and time correlation is relevant.
If all packages have been transmitted (step 612), then STA2 can produce a measurement report (step 620) according to the measurement package of all receptions.STA2 sends described measurement report and to STA1 (step 622) and STA1 described measurement report is sent an ACK to STA2 (step 624).STA1 selects a transmission beam (step 626) according to described measurement report, and described subsequently method stops (step 628).
Figure 7 shows that the signal schematic representation of method 600, show the packet-switched between STA1 702 and STA2 704.STA1 702 sends a measurement request package 706 to STA2 704.STA2 704 can wait for a SIFS 708 before transmission one ACK 710 is with corresponding described measurement request package 706.STA1 702 is being sent a measurement package 7141 by a wave beam ... can wait for a SIFS712 before the 714-n to STA2 704.Each measures package 714 is to be sent by a different wave beam, and STA1 702 is sent in one on another wave beam and can waits for a SIFS 716 before measuring package 714.STA2 704 receives described measurement package 714 and measures every described package.After all measurement packages were received by STA2 704, STA2 704 can produce a measurement report package 718, and sends it to STA1 702.STA1 702 then after the reception of described measurement report package 718, sends an ACK to STA2 704 immediately.STA1 702 then selects a beam direction according to described measurement report package 718.
Measurement request and report information can be equipped on a data packet, a management package or the control package.The physical layer signal sends and can send in different wave beams, this signal sends to be sent out and makes it discern different wave beams by identical physical layer signal (for example preorder) or wave beam information, and these measuring-signals can be sent (and need not wait for a SIFS) in a package.
But the utility model also passive measurement may change along with switching-beam or different technology from the received signal intensity of a transmitter to some extent upgrading described received signal intensity.Lacking anyly about the transmitter node under the employed antenna notice, receiver may finally can be made incorrect decision to receiving (or transmission) on correct wave beam.The transmission package comprises wave beam identification or diverse ways indication, and this information can be used so that upgrade described reception metrical information by receiver.
Antenna information sends after physical layer is joined agreement (PLCP) gauge outfit or in medium access control (MAC) gauge outfit immediately.Described information can be predefined signal mode, and with indication omni-directional antenna beam or antenna beam identification, this pattern also can be in order to indicate different technology (if any).
Fig. 8 is according to PLCP frame format 800 synoptic diagram of the present utility model.PLCP frame 800 comprises a preorder 802, a signal field 804, a gauge outfit bug check (HEC) 806 and a physical layer service data unit (PDSU) 810.The utility model increases a new field to PLCP frame 800, i.e. transmission antenna identification 808.Can keep downward compatibility by after the PLCP gauge outfit, increasing antenna information, in the MAC gauge outfit, also can increase an extra information field, with the identification of indication transmit antenna.
The utility model provide an effective method with measure to/from the signal intensity of a wave beam or directional antenna.The method of 802.11 existing standards and undefined antenna measurement, the use of illusory package or beacon is very inefficent and lose time, and, its restriction directional antenna use in decline environment and roaming.The utility model allows a STA to use different wave beams to transmit and receives.
Figure 9 shows that system's 900 synoptic diagram that are configured to propagate metrical information, it is respectively with reference to the method 400 and 600 of Fig. 4 and Fig. 6 according to above-mentioned.Described system 900 comprises one the one STA (STA1) 902 and one the 2nd STA (STA2) 904.The STAs of two separation shown in the system 900 is to be purpose with the discussion, and each STA can the assembly construction shown in all.
A described STA 902 comprises one and measures package request unit 910, and it is connected to one transmitter/receiver 912, and it is connected to an antenna 914.One measures package transmission device 916 is connected to described measurement package request unit 910 and described transmitter/receiver 912.One measures package analytical equipment 918 is connected to described transmitter/receiver 912.One wave beam modifier 920 is connected to described transmitter/receiver 912, described measurement package transmission device 916 and described measurement package analytical equipment 918.One measurement report analysis device 922 is connected to described transmitter/receiver 912 and described wave beam modifier 920.
Described the 2nd STA 904 comprises an antenna 930, and it is connected to one transmitter/receiver 932.One measures package request receiving trap 934 is connected to described transmitter/receiver 932.One measures package transmission device 936 is connected to described transmitter/receiver 932 and described measurement package request receiving trap 934.One measures package analytical equipment 938 is connected to described transmitter/receiver 932.One measurement report generation device 940 is connected to described transmitter/receiver 932 and described measurement package analytical equipment 938.
When implementing described method 400, described system 900 is configured to following running.Described measurement package request unit 910 produces one and measures the package request, and it is sent to transmitter/receiver 921 to transfer to described the 2nd STA 904.Described transmitter/receiver 932 receives the request of described measurement package, and it is transferred to described measurement package request receiving trap 934.Described measurement package request receiving trap 934 produces an ACK, and it is sent to a described STA 902.
After sending described ACK, described measurement package request receiving trap 934 sends a signal to described measurement package transmission device 936, measures package to a described STA 902 so that begin to send.When measuring package when a described STA 902 receives, described transmitter/receiver 921 passes on described measurement package to described measurement package analytical equipment 918, the measurement of measuring the RSSI and/or the SNR of package at described place.If the measurement package of all requests is not received as yet, just described measurement package analytical equipment 918 sends a signal to wave beam modifier 920, with the received beam that changes a described STA 902 to receive extra measurement package.
Be received if there are all requests to measure package,, and then send the described wave beam modifier 920 of a selected transmission beam just described measurement package analytical equipment is selected suitable transmission beam according to previous measured value.
When implementing described method 600, described system 900 is configured to following running.Described measurement package request unit 910 produces one and measures the package request, and it is sent to described transmitter/receiver 912 to transfer to described the 2nd STA 904.Described transmitter/receiver 932 receives the request of described measurement package, and it is transferred to described measurement package request receiving trap 934.Described measurement package request receiving trap 934 produces an ACK, and it is sent to a described STA 902.
After receiving ACK, described measurement package request unit 910 sends a signal to described measurement package transmission device 916 immediately, so that beginning transmission measurement package is to described the 2nd STA 904.After measuring the package reception, described transmitter/receiver 932 passes on described measurement package to described measurement package analytical equipment 938, and measures described package at described place.If all requests are measured package and are not transmitted, just described measurement package transmission device 916 sends a signal to described wave beam modifier 918, so that before sending next measurement package, change described transmission beam.
All transmit if package is measured in all requests, just then described measurement report generation device 940 produces a measurement report, it is sent to a described STA 902.Described measurement report is transferred to described measurement report analysis device 922, and it is that a described STA 902 selects a transmission beam according to described measurement report.Described measurement report analysis device 922 is sent to described wave beam modifier 920 with described selected wave beam, so that change the transmission beam of a described STA 902.
Embodiment
1. one kind has in the wireless communication system of a plurality of STAs one and to carry out the method for measuring with a smart antenna, and its step system comprises: send a measurement request to the 2nd STA by one the one STA; Transmit at least two continuously or side by side by described the 2nd STA and measure packages to a described STA; On a described STA, use a different antennae wave beam to receive every described measurement package; On a described STA, every described measurement package is carried out measurement; And on a described STA, select an antenna beam direction according to described measurement result.
2. as embodiment 1 described method, wherein said measurement request comprises the defeated measurement package of a quantity tendency to develop.
3. as the described method of previous arbitrary embodiment, wherein said transmitting step comprises: wait for the interframe space between between the transmission measurement package.
4. as embodiment 3 described methods, wherein said interframe space be a short interframe space (SIFS), less than a SIFS, and surpass a SIFS one of them.
5. as the described method of previous arbitrary embodiment, wherein said execution in step comprises: the received signal intensity indication (RSSI) of measuring every described measurement package.
6. as embodiment 5 described methods, wherein said selection step comprises: the RSSI value according to described measurement is selected a transmission beam direction.
7. as arbitrary described method among the previous embodiment 1-4, wherein said execution in step comprises: a signal noise ratio (SNR) of measuring every described measurement package.
8. as embodiment 7 described methods, wherein said selection step comprises: the SNR value according to described measurement is selected a transmission beam direction.
9. as arbitrary described method among the previous embodiment 1-4, wherein said execution in step comprises: received signal intensity indication (RSSI) and a signal noise ratio (SNR) of measuring every described measurement package.
10. as embodiment 9 described methods, wherein select a transmission beam direction according to the RSSI value and the SNR value of described measurement.
11. as the described method of previous arbitrary embodiment, its step also comprises: after described measurement request, send one immediately by described the 2nd STA and confirm to a described STA.
12. as the described method of previous arbitrary embodiment, its step also comprises: after receiving a measurement package, the described received beam of the described antenna of change on a described STA becomes a different wave beam, whereby, the described antenna on a described STA uses a different wave beam to measure package to receive the next one.
13. one kind has in the wireless communication system of a plurality of STAs one and to carry out the method for measuring with a smart antenna, its step comprises: send a measurement request to the 2nd STA by one the one STA; Transmit at least two continuously or side by side by a described STA and measure packages to described the 2nd STA, every described transmission package is to use different antennae wave beam transmission; On described the 2nd STA, receive every described measurement package; On described the 2nd STA, every described measurement package is carried out measurement; On described the 2nd STA, produce a measurement report according to described measurement result; Send described measurement report to a described STA by described the 2nd STA; And on a described STA, select an antenna beam direction according to described measurement report.
14. as embodiment 13 described methods, wherein said measurement request comprises the defeated measurement package of a quantity tendency to develop.
15. as the described method of previous arbitrary embodiment, wherein said transmitting step comprises: wait for the interframe space between between the transmission measurement package.
16. as embodiment 15 described methods, wherein said interframe space be a short interframe space (SIFS), less than a SIFS, and surpass a SIFS one of them.
17. as the described method of previous arbitrary embodiment, its step also comprises: after described measurement request, send one immediately by described the 2nd STA and confirm to a described STA.
18. as the described method of previous arbitrary embodiment, its step also comprises: after receiving a measurement package, the described received beam of the described antenna of change on a described STA becomes a different wave beam, whereby, the described antenna on a described STA uses a different beams to receive the next package of measuring.
19. as the described method of previous arbitrary embodiment, its step also comprises: after described measurement request, send one immediately by a described STA and confirm to described the 2nd STA.
20. a system of measuring with a smart antenna in a wireless communication system, it comprises one the one STA and one the 2nd STA.A described STA comprises first transmitter/receiver; One first antenna, it is connected to described first transmitter/receiver; One measures the package request unit, and it is connected to described first transmitter/receiver; One measures the package analytical equipment, and it is connected to described first transmitter/receiver; And a wave beam modifier, it is to be connected to described first transmitter/receiver and described measurement package analytical equipment.Described the 2nd STA comprises second transmitter/receiver; One second antenna, it is connected to described second transmitter/receiver; And one measure the package transmission device, and it is connected to described second transmitter/receiver and described measurement package request receiving trap.
21. as embodiment 20 described systems, wherein said measurement package request unit is configured to and sends a measurement package request, and receives the affirmation from described second platform, described platform receives the request of described measurement package.
22. as embodiment 20 or 21 described systems, wherein said measurement package analytical equipment is configured to by described second platform and receives the measurement package, measures described measurement package and send a selection wave beam to described wave beam modifier.
23. as the arbitrary described system of embodiment 20-22, wherein said measurement package request receiving trap is configured to from described first platform and receives a measurement package request, sends an affirmation to described first platform, and it receives the request of described measurement package and is sent to described measurement package transmission device so that send the measurement package to described first platform.
24. as the arbitrary described system of embodiment 20-23, wherein said measurement package transmission device is configured to send measures package to described first platform.
25. a system of measuring with a smart antenna in a wireless communication system, it comprises one the one STA and one the 2nd STA.A described STA comprises first transmitter/receiver; One first antenna, it is connected to described first transmitter/receiver; One measures the package request unit, and it is connected to described first transmitter/receiver; One measures the package transmission device, and it is connected to described first transmitter and described measurement package request unit; One wave beam modifier, it is connected to described first transmitter/receiver and described measurement package transmission device; And a measurement report analysis device, it is connected to described first transmitter/receiver and described wave beam modifier.Described the 2nd STA comprises second transmitter/receiver; One second antenna, it is connected to described second transmitter/receiver; One measures package request receiving trap, and it is connected to described second transmitter/receiver; And a measurement report generation device, it is connected to described second transmitter/receiver and described measurement package analytical equipment.
26. as embodiment 25 described systems, wherein said measurement package request unit is configured to and sends a measurement package request, and receives the affirmation from described second platform, described platform receives the request of described measurement package.
27. as embodiment 25 or 26 described systems, wherein said measurement package transmission device is configured to and sends described measurement package to the described second war platform.
28. as the arbitrary described system of embodiment 25-27, wherein said measurement package transmission device is configured to and sends the described wave beam modifier of signal will, to change a transmission beam of described first platform.
29. as the described system of embodiment 25-28, wherein said measurement report analysis device is configured to by described second platform and receives a measurement report, is that described first platform is selected a transmission beam and sent a signal to described wave beam modifier according to described measurement report, with the described transmission beam that changes described first platform to described selected wave beam.
30. as the described system of embodiment 25-29, wherein said measurement package request receiving trap is configured to by described first platform and receives a measurement package request, and sends an affirmation to described first platform, it is to receive the request of described measurement package.
31. as the described system of embodiment 25-30, wherein said measurement package analytical equipment is configured to by described first platform and receives described measurement package, measures described measurement package and pass on described measurement to described measurement report generation device.
32. as the described system of embodiment 25-31, wherein said measurement report generation device is configured to by described measurement package analytical equipment and receives described measurement, and produces a measurement report to deliver to described first platform.
Although feature of the present utility model and assembly are all described in the particular combinations mode in embodiment, but each feature or assembly can use alone among the embodiment, and do not need further feature or combination of components with better embodiment, or with/do not do different combinations with further feature of the present utility model and assembly.Although the utility model is described by preferred embodiment, other modification that does not break away from claim of the present utility model is conspicuous concerning person skilled in the art scholar.Above-mentioned description is for the purpose of description, and can not limit special utility model by any way.
Claims (13)
1. system of in a wireless communication system, measuring with a smart antenna, it comprises:
One first platform comprises:
One first transmitter/receiver;
One first antenna, it is connected to described first transmitter/receiver;
One measures the package request unit, and it is connected to described first transmitter/receiver;
One measures the package analytical equipment, and it is connected to described first transmitter/receiver; And
One wave beam modifier, it is connected to described first transmitter/receiver and described measurement package analytical equipment; And
One second platform comprises:
One second transmitter/receiver;
One second antenna, it is connected to described second transmitter/receiver;
One measures package request receiving trap, and it is connected to described second transmitter/receiver; And
One measures the package transmission device, and it is connected to described second transmitter/receiver and described measurement package request receiving trap.
2. the system as claimed in claim 1 is characterized in that described measurement package request unit is configured to send one and measure the package request to described second platform, and described second platform that receives the request of described measurement package certainly receives an affirmation.
3. the system as claimed in claim 1 is characterized in that described measurement package analytical equipment is configured to from described second platform to receive described measurement package, measures described measurement package, and a selected wave beam is sent to described wave beam modifier.
4. the system as claimed in claim 1, it is characterized in that described measurement package request receiving trap is configured to from described first platform reception, one measurement package request, send one and confirm, and the described measurement package transmission device of desire transmission measurement package is posted a letter to described first platform to described first platform that receives the request of described measurement package.
5. the system as claimed in claim 1 is characterized in that described measurement package transmission device is configured to the described measurement package of transmission to described first platform.
6. system of in a wireless communication system, measuring with a smart antenna, it comprises:
One first platform comprises:
One first transmitter/receiver;
One first antenna, it is connected to described first transmitter/receiver;
One measures the package request unit, and it is connected to described first transmitter/receiver;
One measures the package transmission device, and it is connected to described first transmitter and described measurement package request unit;
One wave beam modifier, it is connected to described first transmitter/receiver and described measurement package transmission device; And
One measurement report analysis device, it is connected to described first transmitter/receiver and described wave beam modifier; And
One second platform comprises:
One second transmitter/receiver;
One second antenna, it is connected to described second transmitter/receiver;
One measures package request receiving trap, and it is connected to described second transmitter/receiver;
One measures the package analytical equipment, and it is connected to described second transmitter/receiver; And
One measurement report generation device, it is connected to described second transmitter/receiver and described measurement package analytical equipment.
7. system as claimed in claim 6 is characterized in that described measurement package request unit is configured to transmission one and measures the package request to described second platform, and receives an affirmation by described second platform that receives the request of described measurement package.
8. system as claimed in claim 6 is characterized in that described measurement package transmission device is configured to the described measurement package of transmission to described second platform.
9. system as claimed in claim 6 is characterized in that described measurement package transmission device is configured to post a letter to described wave beam modifier, to change a transmission beam of described first platform.
10. system as claimed in claim 6, it is characterized in that described measurement report analysis device is configured to by described second platform receives a measurement report, according to described measurement report is that described first platform is selected a transmission beam, and posts a letter to described wave beam modifier and change to described selected wave beam with the described transmission beam with described first platform.
11. system as claimed in claim 6 is characterized in that described measurement package request receiving trap is configured to by described first platform reception, one measurement package request, and sends an affirmation to described first platform that receives the request of described measurement package.
12. system as claimed in claim 6 is characterized in that described measurement package analytical equipment is configured to by described first platform to receive described measurement package, measures described measurement package, and passes on described measurement to described measurement report generation device.
13. system as claimed in claim 6 is characterized in that described measurement report generation device is configured to by described measurement package analytical equipment to receive described measurement, and produces a measurement report to deliver to described first platform.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60921204P | 2004-09-10 | 2004-09-10 | |
| US60/609,212 | 2004-09-10 | ||
| US11/022,709 | 2004-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200947110Y true CN200947110Y (en) | 2007-09-12 |
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| CN 200580030246 Pending CN101084605A (en) | 2004-09-10 | 2005-09-07 | Measurement support for a smart antenna in a wireless communication system |
| CN 200520107250 Expired - Lifetime CN200947110Y (en) | 2004-09-10 | 2005-09-12 | System for performing measurement with intelligent antenna in wireless communication system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200580030246 Pending CN101084605A (en) | 2004-09-10 | 2005-09-07 | Measurement support for a smart antenna in a wireless communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405554A (en) * | 2009-04-20 | 2012-04-04 | 三星电子株式会社 | System and method for adaptive beamforming training using fixed time window for heterogeneous antenna systems |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848045B (en) * | 2010-06-13 | 2013-04-03 | 华中科技大学 | Method for measuring reference direction of dual-polarization intelligent antenna business beam |
| CN103220788B (en) * | 2012-01-19 | 2016-08-24 | 华为技术有限公司 | Method, node and the access point that node is grouped |
| CN111106448B (en) * | 2019-11-22 | 2021-10-19 | Oppo广东移动通信有限公司 | Client terminal device |
-
2005
- 2005-09-07 CN CN 200580030246 patent/CN101084605A/en active Pending
- 2005-09-12 CN CN 200520107250 patent/CN200947110Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405554A (en) * | 2009-04-20 | 2012-04-04 | 三星电子株式会社 | System and method for adaptive beamforming training using fixed time window for heterogeneous antenna systems |
| CN102405554B (en) * | 2009-04-20 | 2015-07-22 | 三星电子株式会社 | System and method for adaptive beamforming training using fixed time window for heterogeneous antenna systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101084605A (en) | 2007-12-05 |
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