CN101512941A

CN101512941A - Radiated performance of a wireless device

Info

Publication number: CN101512941A
Application number: CNA2007800329017A
Authority: CN
Inventors: G·A·布赖特; D·M·菲恩纳蒂
Original assignee: Qualcomm Inc
Current assignee: Qualcomm Inc
Priority date: 2006-09-08
Filing date: 2007-09-10
Publication date: 2009-08-19
Anticipated expiration: 2027-09-10
Also published as: TW200838180A; CN101512941B

Abstract

Systems, methods, apparatus, processors and computer-readable media include a radiated testing module that executes a predetermined radiated performance test on a wireless device. The test dictates various performance-related parameters to measure and log at each of a plurality of predetermined positions. Further, the wireless device receives synchronization information operable to enable synchronization between the logged measurements and each of the positions. The synchronized log allows the wireless device, or another apparatus, to determine a radiated performance characteristic based on a predetermined analysis protocol. Further, the described embodiments allow for the determination of several radiated performance characteristics in a single test, using a single, unaltered wireless device.

Description

The method and apparatus that is used for the radiance of definite wireless device

Require priority based on 35U.S.C § 119

The application requires to enjoy the provisional application No.60/843 that the name of submitting on September 8th, 2006 is called " RADIATEDPERFORMANCE OF A WIRELESS DEVICE ", 035 priority, it transfers the application's assignee and incorporates this paper by reference clearly into.

Technical field

Described embodiment relates to Wireless Telecom Equipment, relates more specifically to be used for to determine system, method, device, processor and computer-readable medium with the radiance of the antenna system of wireless device association.

Background technology

Wireless device utilizes radio wave that long haul communication is provided, and does not have the physical constraint of wired system.Wireless device sends and receives information via radio wave, wherein can carry information on predetermined frequency band.The antenna and the interlock circuit that are connected to transmitter and receiver allow wireless device to send and receive these radio wave signals.The design of wireless device (comprising antenna and the various assemblies relevant with reception with transmission) influences the ability that wireless device sent and received radio wave signal, therefore limits and influenced the radiance of equipment.So, need to determine and adjust the radiance of wireless device, so that optimize the ability that wireless device transmits radio wave signal.

Yet the method for existing definite wireless device radiance has a lot of defectives.Some tests that are used for definite radiance relate to be revised the destructiveness of wireless device.For example, in an example, the signal path interrupted between antenna and the receiver also is routed to external radio frequency (" RF ") connector again.Thereby by connecting at this connector place the external testing instrument of the substitute of the receiver on the wireless device is carried out the radiation signal power measurement then with work.The existence of external RF connector and associated external cable can make the actual emanations performance distortion of wireless device.In addition, because make amendment required auxiliary instrumentation and additional manpower make these destructive modifications increase the cost of test process.In addition, owing to make the wireless device of being revised to be used for other test, make destructive the modification further increase cost.

In addition, in wireless communication system, can be from the RF modulation signal of transmitter via many propagation paths arrival receivers.The characteristic of propagation path changes in time owing to the many factors such as decline and multipath usually.

In addition, structure and the surrounding terrain (comprising wall and hillside) such as building all can work to the scattering and the reflection that are transmitted.Scattering that is transmitted and reflection cause a plurality of signal paths from transmitted from transmitter to receiver.Effect to a plurality of signal paths changes along with moving of receiver.

Other signal source also works to the deterioration of desired signal.Other signal source can be have be intended to desired signal same frequency on other transmitter of operating, and the transmitter that in the frequency band of desired signal, generates false signal.Another signal degradation source may generate in the inside of receiver self.The grade that signal amplifier in the receiver and signal processing section may reduce desired signal with respect to thermal noise level.Signal amplifier in the receiver and processor also can generted noises, perhaps make the distorted signals that is received, thereby further reduce its quality.

In order diversity to be provided and to improve performance, can use a plurality of transmitting antennas and reception antenna at harmful path effects.If the propagation path between transmitting antenna and the reception antenna is linear incoherent

(that is, the transmission on the paths can not form the linear combination of the transmission on other path) is so usually at least to a certain extent, and the possibility that then correctly receives transfer of data increases along with the increase of number of antennas.Therefore, along with the increase of transmitting antenna and reception antenna number, diversity also increases, and performance is improved usually.

In addition, wireless device can be owing to a plurality of former thereby use a plurality of antennas.For example, a plurality of operator schemes need be operated and serve to wireless device often on a plurality of being with.Another reason is to realize advanced transceiver architecture, and it uses a plurality of antennas to be used for improving the performance of partial mode of these patterns of this area.When operating simultaneously, thereby these patterns can the phase mutual interference lower overall performance.Therefore, importantly, be designed for the accurate device of radiance that estimation can be caught the wireless device of self-interference effect.Current method needs some steps to estimate the equipment/Antenna Design that makes up, and there is indeterminate property in the testing precision of current relatively " wired " test.Therefore, also need develop reliable design and method of testing.

Therefore, need new and improved system, device, computer-readable medium, processor and the method that is used for determining the wireless device radiance.

Summary of the invention

Described embodiment allows to use in single test single immovable wireless device to determine one or more radiance characteristics, such as equivalent isotropically radiated power (" EIRP "), receiver sensitivity, total radiant power (" TRP "), total omnidirectional sensitivity (" TIS "), and envelope correlation, these characteristics are relevant with the receiver diversity performance.

In a further embodiment, a kind of method of radiance characteristic of definite wireless device comprises: each in a plurality of relevant moment determines that constantly wherein a plurality of relevant moment are relevant with the zero hour by the measured characteristics of signals of the only forward link signal of wireless device reception; And in a plurality of relevant moment each is engraved in the measured characteristics of signals of record in the daily record on the wireless device when relevant.In related embodiment, dispose at least one processor to carry out aforesaid operations.In another related embodiment, computer program is present in the computer-readable medium, and vectoring computer equipment is carried out aforesaid operations when carrying out this computer program.

In another embodiment, a kind ofly be used for determining that the device of the radiance characteristic of wireless device comprises the module that is used to carry out following operation: determine the measured characteristics of signals of the only forward link signal that received by wireless device constantly in each of a plurality of relevant moment, wherein a plurality of relevant moment are relevant with the zero hour; And in a plurality of relevant moment each is engraved in the measured characteristics of signals of record in the daily record on the wireless device when relevant.

In another embodiment, a kind ofly be used for determining that the controller of the radiance characteristic of wireless device comprises the radio-signal system that can be used for carrying out following operation: determine the measured characteristics of signals of the only forward link signal that received by wireless device constantly in each of a plurality of relevant moment, wherein a plurality of relevant moment are relevant with the zero hour; And in a plurality of relevant moment each is engraved in the measured characteristics of signals of record in the daily record on the wireless device when relevant.

Description of drawings

Fig. 1 is the schematic diagram of an embodiment that is used for determining the system of wireless device radiance;

Fig. 2 is the schematic diagram of an embodiment of the wireless device that uses in the system of Fig. 1;

Fig. 3 is the schematic diagram that is operable in an embodiment of the user interface/view on the wireless device of Fig. 1;

Fig. 4 is the schematic diagram of an embodiment of the controller system that uses in the system of Fig. 1;

Fig. 5 is the schematic diagram by an embodiment of the parts of the predetermined radiance test of the wireless device of Fig. 1 and/or controller system use;

Fig. 6 is the schematic diagram of an embodiment of the control test log related with the controller system of Fig. 4;

Fig. 7 is the flow chart of an embodiment of method of determining being used for of moving the wireless device radiance of Fig. 1 on wireless device;

Fig. 8 is installing (for example controller system) upward flow chart of an embodiment of the method for the wireless device radiance that is used for definite Fig. 1 of operation;

Fig. 9 compares with the antenna ρ value of measuring in the field of many dissimilar phones, according to the chart of the antenna ρ value of measuring from complicated antenna pattern of description embodiment; And

Figure 10 is a form, and it comprises that the expression of calculating according to described embodiment has the many varying environments of introducing electromagnetic field of different behaviors or the ρ value of channel model.

Embodiment

With reference to Fig. 1, in one embodiment, the system 10 that is used for the radiance of definite wireless device 12 comprises controller system 14, and it is used to generate control signal 16 so that radio wave signal 18 is sent to wireless device 12.Wireless device 12 is positioned at test cabinet 20, with 22 places, position that tested by the predetermined radiance of controller system 14 operations in the 24 a plurality of possible positions that are associated.Control signal 16 comprises location component 26, and it stipulates the physical coordinates of selected location 22, thereby the position of being installed to wireless device 12 is indicated in the motion of navigation system 28.In addition, control signal 16 comprises corresponding signaling component 30, and it stipulates radio wave signal 18, thus the transmission that indication is undertaken by radio wave signal system 32.In one embodiment, for example, the base station in the radio-signal system 32 analog cellular telephone networks, so radio wave signal 18 can be thought forward channel signal.In one embodiment, only with the base station of forward direction link mode operation, only there is forward link in this expression and does not have reverse link (that is, wireless device 12 is not configured to or is not used in any signal is sent it back the base station) in the base station simulation.In addition, radio wave signal 18 can comprise reality or reference signal characteristics 34 (such as signal power) and predetermined synchrodata 36 (such as the information that is used for the measurement result that 22 places in the selected location obtain is synchronized to ad-hoc location and/or time), as will here further describing.For example, reference signal characteristics 34 is known features or given value, and it can be used as the radix value that is used for subsequent calculations (for example gain calculating).Similarly, predetermined synchrodata 36 allows the measurement result of wireless device 12 relevant with the physical coordinates of the position 22 of wireless device 12 when obtaining to measure.

In one embodiment, in order to determine the TIS as the radiance 42 of wireless device 12, the first step is to determine the receiver gain directional diagram of wireless device 12.A kind of possible method can comprise the measurement result of the received signal intensity indication (" RSSI ") of the special angle position that obtains wireless device 12.For each rssi measurement result, the log record of wireless device 12 includes the timestamp and the rssi measurement result of wireless device 12.When navigation system 28 rotatable coordinate axis, controller system 14 writes down the elevation location of wireless device 12 and the time relation on the controller system 14 in position and time relation daily record.Yet because the clock of the clock of wireless device 12 and controller system 14 asynchronous (for example, because timing differential), the position of the RSSI of wireless device 12 and time relation daily record and controller system 14 is asynchronous with the time relation daily record.In one embodiment, in order to solve this stationary problem, predetermined synchrodata 36 is included in wireless device 12 and begins to rotate the output pulses that generates and sends wireless device 12 before.For example, controller system 14 generates the output pulses with predetermined amplitude, and wherein controller system 14 can obtain this machine time (is unit with ms) at the trailing edge of output pulses, as starting point fiducial time of the journal file on the controller system 14.Use this starting point to determine starting point in position and the time relationship daily record subsequently fiducial time.In one embodiment, can determine time in the daily record based on the time on the controller system 14 and the difference between the starting point.Trailing edge by search pulse in daily record and the timestamp that uses this some place are as the time starting point, and data processing afterwards will produce identical result to the daily record of wireless device 12.In one embodiment, output pulses will be as the starting point of recording start, and this output pulses is arranged in log packet.

Wireless device 12 receives and processing signals 18, thereby generates and reference signal characteristics 34 corresponding measuring-signal characteristics 38.In other words, measuring-signal characteristic 38 is reception values of reference signal characteristics 34, and is measured by the receiver associated components that is positioned on the wireless device 12.In addition, wireless device 12 is from signal 18 receiving isochronous datas 36, thereby is associated with the ability of the corresponding selected position 22 that this measurement takes place for system 10 provides the most separately measuring-signal characteristic 38.In addition, wireless device 12 comprises radiance test module 40, the analysis that it monitors the measurement result of received signal and guides this signal data.In addition, carry out radiance test module 40,, thereby form the record of the test condition and the test result of each selected position 22 with record measuring-signal characteristic 38 and synchrodata 36.Then, the system 10 remaining a plurality of precalculated positions of ordering, up to test as given predetermined radiance 24 determined, receive signal in all positions.

In case write down all detecting informations, then can determine radiance characteristic 42 at controller system 14 places.In this case, the daily record of measuring-signal characteristic 38 can be sent to the test manager module 44 that is positioned at controller system 14 from wireless device 12, wherein this daily record comprises synchrodata 36.Another daily record of test manager module 44 maintenance position information and corresponding temporal information, wherein test manager module 44 with relevant from the daily record of wireless device 12, is tested measuring-signal characteristic 38 synchronization position recording of information or the daily records of each positions of 24 indications with generation and by being scheduled to radiance with this daily record.In this case, test manager module 44 is initiated the analysis of this synchronization log, to determine radiance characteristic 42.

In one embodiment, after generating daily record, the cable that can append to wireless device 12 via use is sent to controller system 14 with the daily record of measuring-signal characteristic 38.In another embodiment, wireless device 12 can comprise the transmitter that is used for daily record is sent it back controller system 14.Wireless device 12 be forward link only arranged equipment (promptly, wireless device 12 does not comprise the transmitter that can signal be sent it back radio-signal system 32 in reverse link) system in, wireless device 12 can comprise the transceiver that is used for communication system, and wherein this communication system is different from the communication system of measuring.For example, wireless device 12 can comprise bluetooth

Transceiver, it can be used to send daily record.Can use the transceiver of other type.Use the transceiver of this replacement, can receive data to wireless device 12 transmissions with from wireless device 12 in real time.For example, can in measuring-signal characteristic 38, they be sent to controller system 14 from wireless device 12.The use of transceiver can interference signal characteristic 38 measurement.In addition, can be between wireless device 12 and controller system 14 transmitting control data.For example, can instruct wireless device 12 opening entry daily records by the order that controller system 14 sends via the transceiver of use replacing.

In another embodiment, can use radiance test module 40 to analyze the measuring-signal characteristic 38 of all records, and use synchrodata 36 to determine the time started, so that generate the radiance characteristic 42 of wireless device 12.In one embodiment, for example, radiance characteristic 42 can comprise that radiosusceptibility measures, and it is at the power gain at wireless device 12 antenna places and/or the function of voltage gain, and can measure it at single or multiple antennas.Embodiment for wireless device 12 with a plurality of antennas, radiance characteristic 38 can comprise complex voltage (complexvoltage) receiving gain, it is used to predict the correlation between a plurality of reception chain/antennas, thereby the indication of the diversity gain that is provided by given antenna setting is provided.

In another embodiment, for example, comprise that in synchrodata 36 under the situation of temporal information, 14 places can determine radiance characteristic 42 at controller system.In this case, the daily record of measuring-signal characteristic 38 and corresponding synchronous data 36 can be sent to the test manager module 44 that is positioned at controller system 14 from wireless device 12.Test manager module 44 is safeguarded another daily record of corresponding temporal information and positional information, wherein test manager module 44 with relevant from the daily record of wireless device 12, is tested measuring-signal characteristic 38 synchronization position recording of information or the daily records of each positions of 24 indications with generation and by being scheduled to radiance with this daily record.In this case, the analysis that test manager module 44 is initiated this synchronization log is to determine radiance characteristic 42.

In other embodiments, for example, predetermined radiance test 24 can comprise following test, and it comprises the radio wave signal that comes from wireless device 46 that sends to radio-signal system 32.This test is the performance test of the emission chain/antenna of wireless device 12.In the embodiment of the base station of radio-signal system 32 analog cellular telephone networks, the radio wave signal 46 that comes from wireless device can be regarded as reverse channel signals.Signal 46 comprises reference signal characteristics 48, and it can be with acting on the following radix (baseline) that calculates, and radio-signal system 32 receives and processing signals 46, thereby generates the corresponding measuring-signal characteristic 50 that is received as system 32.In this embodiment, the test manager module 44 in the implementation controller system 14 is so that the relevant position information of record measuring-signal characteristic 50 and discovery in the component 26 of location.Subsequently, the system remaining a plurality of precalculated positions of 10 orderings receive signal 46 up to test 24 determined all positions at given predetermined radiance.In case write down all detecting informations, test manager module 44 is analyzed institute the measuring-signal characteristic 50 of record and the relevant position information (it also can think synchronizing information 36) of coming self-align component 26 to some extent, and the radiance characteristic 42 of generation wireless device 12.In this case, for example, radiance characteristic 42 can comprise the measurement of the transmission performance of wireless device 12, gains such as transmitting power.In addition, if with each related a plurality of precalculated position of test in exist overlappingly, then wireless device 12 can be arranged to simultaneously received signal 18 and send signal 46, thus the shortening testing time.

Therefore, system 10 comprises directly recorder machine data on wireless device 12 valuably, thereby avoids the aerial lug of the true receiver coherent radiation performance distortion that makes equipment and the demand of cable.In addition, system 10 provide valuably measuring-signal characteristic 38 and with the wireless synchronization of each selected location 22 corresponding position information or physical coordinates, thereby avoid the aerial lug that is connected to external sync and subsequent processing device and the demand of cable.Carry out when in addition, the daily record that provides of the wireless device 12 of system 10 and synchronizing capacity allow a plurality of radiances test.Therefore, system 10 is provided for effective setting of the radiance of definite wireless device 12.

In a specific embodiment, for example, system described herein, apparatus and method help the radiation test of mobile phone.In this embodiment, can derive some radiance characteristics 42 by the measurement data of in single test, gathering.Particularly, the radiance characteristic 42 that can determine is: total radiant power (" TRP ") characteristic, total omnidirectional sensitivity (" TIS ") characteristic, peak value equivalent isotropically radiated power (" EIRP ") characteristic, peak value receiver sensitivity characteristic, peak gain characteristic, average gain characteristic and the directional diagram correlation of supporting the phone of diversity.Usually, described embodiment carries out eat dishes without rice or wine (OTA), multiple connection receipts and emission maximum EIRP pattern measurement with three channel frequencys, and does not need to be connected to the test cable of equipment under test.By the predetermined radiation test of wireless execution, can make the exterior antenna of radiation pattern distortion test cable by elimination, described embodiment has improved measuring accuracy.In addition, because only need a phone, so described embodiment does not need special-purpose test fixture for all tests; On the contrary, prior art need be used for the independent telephone permanent plant and second radio telephone that is used for peak E IRP and receiving sensitivity radiation test of test antenna gain/directional diagram.In addition, this specific embodiment provides the accelerated test method of more specifically describing as following, and it is more faster than current TRP and TIS method of testing.For example, based on the experimental result of using native system, than in 3-5 hour the duration of being about of the existing TIS test at a frequency place only, for low, in and high frequency, the total duration of TRP and TIS test is about 1.75 hours.

In this specific embodiment, for example, in the far field anechoic chamber of calibration, carry out and measure.Test application is loaded into equipment under test (for example, wireless device 12), and other special-purpose control and the poster processing soft are loaded in the master computer (for example, controller system 14) of this indoor equipment of control.Subdistrict position simulator or telephone booth are connected to indoor horn antenna, call out thereby can carry out OTA to the test telephone of on the rotating basis of the remote port of chamber, installing.

For receiving mode test, the order equipment under test records user-defined packet in the memory on the equipment under test.When by the electromagnetic plane wave from telephone booth equipment emission equipment under test being described, defined packet such as " finger-like channel estimating " daily record grouping, comprises the multiple pilot signal that the antenna by equipment under test receives (for example, homophase with quadrature mutually).In one embodiment, can send order to equipment under test by eating dishes without rice or wine and come the trigger recording daily record from telephone booth.By the motion of this log incident and pedestal and equipment under test is carried out synchronously, answer homophase and quadrature Phase Receiver directional diagram data in each acquisition that takes measurement of an angle by the visual field that covers a certain scope.In addition, utilize the indoor loudspeaker that are orientated vertical and horizontal polarization directions to test, thereby obtain vertical and horizontal receiving pattern (pattern).In addition, for the equipment of supporting diversity, by writing down the multiple receiving pattern that identical grouped data obtains the secondary antenna in a similar fashion.

For the sending mode test, use power meter to measure at given direction of measurement equipment under test radiation emitted power, telephony transmitter is in maximum power simultaneously.Such as via OTA signal, order equipment under test to carry out radiation with its maximum transmission power from telephone booth equipment.Institute's emitted power takes measurement of an angle at each and is gathered by indoor loudspeaker, and is measured by power meter.In addition, determine indoor path loss, and represent, thereby can determine the EIRP of phone by reference signal.Along with equipment under test rotates to each test angle that covers certain scope, store measured data in real time.In addition, test, thereby obtain vertical and horizontal polarization EIRP directional diagram at the indoor loudspeaker on vertical and the horizontal polarization directions.

Can carry out all measurements-transmission EIRP and main antenna and secondary antenna in each order that takes measurement of an angle and receive multiple (complex field) measurement.Therefore, can gather all receptions and send data by moving single test.

Other details relevant with this specific embodiment is discussed below.

With reference to Fig. 2, wireless device 12 can comprise the computerized wireless device of any type, such as cell phone, personal digital assistant, two-way text pager and portable computer.Wireless device can be long-range auxiliary device, does not perhaps have terminal temperature difference and only transmits the miscellaneous equipment of data by wireless network.The example of long-range auxiliary device comprises distance sensor, diagnostic tool, data link etc.Therefore, the function of carrying out on the described here wireless device 12 can be carried out on the wireless device of arbitrary form or computer module, including, but not limited to, radio modem, PSMCIA card, wireless access terminal, radio individual computer, radio telephone or its combination in any or sub-portfolio.

In addition, wireless device 12 has and is used for generating the input mechanism 52 of input and being used to generate output mechanism 54 by the employed information of user of wireless device to wireless device.For example, input mechanism 52 can comprise following mechanism, such as, button or keyboard, mouse, touch-screen display, sound identification module etc.Input to wireless device can comprise the menu option that is used to be provided with, to change parameter and operation radiation test or transmits the information of record outside equipment.In addition, for example, output mechanism 54 can comprise display, audio tweeter, tactile feedback mechanism etc.The output information that generates can comprise and be used to carry out test and transmit test result, check the above-mentioned menu of test result etc.

In addition, wireless device 12 has computer platform 56, and it can send data by wireless network, and can receive and executive software application program and show the data that send from another computer equipment that is connected to wireless network.Computer platform 56 comprises data storage device 58, it can comprise volatibility and nonvolatile memory, such as read-only memory (" ROM ") and/or random asccess memory (" RAM "), Erasable Programmable Read Only Memory EPROM (" EPROM "), Electrically Erasable Read Only Memory (" EEPROM "), flash memory cards or to the general any memory of computer platform.In addition, data storage device 58 can comprise one or more secondarys or three grades of memory devices, such as magnetic medium, light medium, tape, perhaps floppy disk or hard disk.

In addition, computer platform 56 also comprises processing engine 60, and it can be application-specific integrated circuit (ASIC) (" ASIC ") or other chipset, processor, logical circuit or other data processing equipment.Processing engine 60 or other processor (such as ASIC) can be carried out API (" API ") layer 62, and it carries out interface with any intrinsic program (such as radiance test module 40) in the data storage device 58 of wireless device 12 and is connected.API62 is the runtime environment of carrying out on wireless device separately.A kind of this runtime environment is during by the radio binary operation of the Qualcomm company in Santiago of California exploitation

Software.Can adopt other (for example) to be used to control the runtime environment of the execution of application program on the wireless computer device.

Processing engine 60 comprises that specific implementation is the various processing subsystems 64 of hardware, firmware, software and combination thereof, and it supports the function of wireless device 12 and the operability of the wireless device on the wireless network.For example, processing subsystem 64 allows to initiate and keeps and the communicating by letter and exchanges data of other network equipment.In one embodiment, such as in cell phone, communication process engine 60 can comprise one of following processing subsystem 64 or its combination: such as sound, nonvolatile memory, file system, transmission, reception, searcher, layer 1, layer 2, layer 3, master control, remote process, handheld device, power management, diagnosis, digital signal processor, speech coder, message transmission, call manager, System,

LPOS, position determine, engine of positioning, user interface, sleep, data, services, fail safe, authentication, universal subscriber identity module/Subscriber Identity Module (" USIM/SIM "), voice service, figure, USB (" USB "), the multimedia such as moving picture expert group (" MPEG "), GPRS (" GPRS ") etc.For the disclosed embodiments, the processing subsystem 64 of processing engine 60 can comprise and the application program of execution on computer platform 56 is carried out mutual any subsystem component.For example, processing subsystem 64 can comprise any subsystem component of representing radiance test module 40 to receive reading and writing data from AP1 62.In addition, can obtain to gather also all or part receiver related data and/or the transmitter related data of record subsequently from these subsystems 64 by radiance test module 40.

Computer platform 56 can also comprise that specific implementation is the communication module 66 of hardware, firmware, software and combination thereof, and it supports between each assembly of wireless device 12 and the communication between wireless device 12 and the wireless network.In one embodiment, for example, communication module 66 comprises and being used for by antenna system 72 wireless transmissions such as the information emission machine module 68 of radio wave signal 48 be used for by the receiver module 70 of antenna system 72 wireless receivings such as the information of radio wave signal 18.As mentioned above, antenna system 72 can comprise individual antenna, and such as unipole antenna, dipole antenna, helical antenna, flat plane antenna etc., or its combination in any is to form a plurality of antennas.For example, this multiaerial system can comprise multiple-input and multiple-output (" MIMO ") communication system, and it uses a plurality of (N _T) transmitting antenna and a plurality of (N _R) reception antenna is used for transfer of data.Alternatively, for example, this multiaerial system can comprise the single output of many inputs (" MISO ") communication system, and it adopts a plurality of (N _T) transmitting antenna and single receive antenna be used for transfer of data.In any case, the receiver module 70 that combines antenna system 72 can be thought the reception chain of wireless device 12.Similarly, transmitter module 68 and antenna system 72 can be thought the emission chain of wireless device.Except that communication module 66, in computer platform 56, can there be other communication module.For example, can comprise communication module 67, to use such as bluetooth

Or the wireless communication protocol of IEEE 802.11 provides other communication capacity of wireless device 12.These communication capacities can be only to send, receive only or not only send but also receive.

In addition, as mentioned above, computer platform 13 also comprises radiance test module 40, with the activity relevant with radiation test on the management wireless device 12.Radiance test module 40 can comprise any hardware, software, firmware and/or other executable instruction set, can be used for managing the relevant collection such as any information of receiver data and/or transmitter data of radiance characteristic 42 with wireless device 12.Can start radiance test module 40 at any time, so that record, store and make measuring-signal characteristic 38, synchrodata 36, any data relevant, and/or test 24 relevant any information with predetermined radiance and can obtain with transmitter and/or receiver.

In one embodiment, for example, radiance test module 40 comprises actuating logic 74, and it provides the ability that the information relevant with the radiance test is gathered, stored and visit is provided or transmits.In addition, in certain embodiments, actuating logic 74 can start the ability of wireless device 12, so that generate radiance characteristic 42 based on the parameter of given performance test 24.

In addition, radiance test module 40 comprises testing of equipment configuration 76, and its regulation is tested 24 corresponding daily record parameter 78 and/or test variable 80 with the predetermined radiance that is moved by controller system 14.For example, the type of daily record parameter 78 provisioning informations is so that gather and be recorded as receiver data 82 and/or the transmitter data 84 that is used for given radiance test.In one embodiment, for example, daily record parameter 78 regulation is from obtainable measured or reference receiver data 82 of one or more processing subsystem 64 and/or measured or reference transmitter data 84.Under wireless telephonic situation, for example, daily record parameter 78 can comprise from the daily record data grouping of processing engine 60 and/or processing subsystem 64 acquisitions.The example of the information that in the grouping of this daily record data, comprises including, but not limited to: the power that receives from given reception chain/antenna, from given emission chain/antenna emitted power, the in-phase pilot voltage related and quadrature phase pilot tone voltage, finger-like lock-out state, received signal with given reception chain relative delay (for example, time difference between first and second incidents of reception same signal is such as when receiving reflected signal) etc.Particularly, in an embodiment of cdma system, this daily record data grouping comprises " search TNG finger-like state " grouping, the grouping of " RF " son, the grouping of " finger-like information " son and the grouping of " filtering frequency pilot sign " son.In another embodiment of cdma system, the example log packet is " WCDMA finger-like information-finger-like/pilot channel parameter of TA " grouping or " diversity antenna radiation regimes " grouping.Under the situation that forward link device is only arranged, the example log packet is " MFLO RSSI value dynamic parameter " grouping.In addition, or replacedly, daily record parameter 78 can be stipulated that receive or for wireless device 12 addressable other information relevant with radiance by wireless device 12.For example, in one embodiment, daily record parameter 78 can comprise information relevant with test configurations and/or the information in the packet of the signal that is received by wireless device 12, such as reference signal characteristics 34 and/or from the synchrodata 36 of signal 18.Yet, should be appreciated that, can stipulate many other daily record parameters 78 based on the attribute of given radiance test.

In addition, for example, test variable 80 regulation and collection receiver data 82 and/or transmitter data 84 and/or to the relevant value of institute's image data execution analysis.In one embodiment, for example, the type of test variable 80 comprises sampling rate, every sampled data grouping number, be used to enable or the code of Disable Logs record etc.Yet, should be appreciated that based on the attribute of given radiance test and can stipulate many other test variable 80.

In addition, actuating logic 74 can be carried out so that impel the user of wireless device 12 to select given testing of equipment configuration 74 and/or from the relevant daily record parameter 78 and/or the test variable 80 of a plurality of available test configurations, daily record parameter and/or test variable.For example, with reference to Fig. 2 and Fig. 3, radiance test module 40 can comprise user interface or view 75, such as can be via output mechanism 54 a plurality of navigation menus of presenting to the user.View 75 can comprise header information 77 and footer information 79, such as menu, program and/or the version in order to the sign appointment.In addition, view 75 can provide executable command 81, so that the various functions that support is associated with given test.For example, order 81 can comprise as issuing orders: beginning is used for indicating module and begins to carry out log record based on configuration; Stop, being used for indicating module and stopping log record; Wipe all daily records, be used for wiping any daily record of storing at memory; End, be used for indicating module and end log record, yet, if can comprising the memory that is used for using, this module reaches the logic that predetermined threshold is ended log record automatically; Continue, be used for after abort commands, restarting log record; Discharge,, for example, be used for debugging operations in order to discharge the internal storage buffering; Write memory is used for recorded data is written to second memory from first memory; The simulation shutdown is used to make the equipment simulating normal shutdown so that remove the function that will call and carry out, and this helps debugging very much; Request of loading is used to ask any data of storing and/or daily record are loaded into another computer equipment, such as controller system 14; And sound/vibration, be used to be provided with the trigger of sound and/or vibration alarm feedback, for example, be used for receiving order, and/or when initiating data call from another equipment, and/or in request or finish and use when loading and use when being used at debugging operations.In addition, view 75 can comprise variable field 83, such as the numerical value that is used for input test variable 80.Therefore, the user can dispose and move predetermined radiance test by the view on the wireless device 12 75.

Replacedly, can testing of equipment configuration 76 be sent to wireless device 12, perhaps can in computer platform 56, comprise testing of equipment configuration 76 during fabrication via wired or wireless connection.

In addition, radiance test module 40 comprises the testing of equipment daily record 86 that is used for based on the testing of equipment configuration 76 storages information relevant with radiance.Testing of equipment daily record 86 is included in the record of storage in the data storage device 58, and it can comprise and relevant test condition and/or the test result of one or more radiance tests of using wireless device 12 to carry out.As mentioned above, for example, testing of equipment daily record 86 can comprise wireless device (" WD ") receiver data 82 and/or WD transmitter data 84.In one embodiment, receiver data 82 comprise one or more measured characteristics of signals 38, and it is to gather from processing subsystem 64 after the signal 18 at each 22 place, selected location is handled.In addition, testing of equipment daily record 86 can comprise and the corresponding out of Memory of data that is generated at given radiance test period by wireless device.For example, testing of equipment daily record 86 can be included in the information that comprises in the received signal, such as, from the predetermined synchrodata 36 and/or the reference signal characteristics 34 of signal 18.In one embodiment, reference signal data 34 can be the data of regulation by the reset condition of the signal 18 of wireless device 12 receptions, such as performance number, range value, phase value, frequency values, signal type/agreement etc.In one embodiment, predetermined synchrodata 36 can be and corresponding temporal information of the time of wireless device in selected location 22, or be used for the positional information of the coordinate of regulation selected location 22.In addition, testing of equipment daily record 86 can comprise all or arbitrary portion of the testing of equipment configuration 76 relevant with institute's collection receiver data 82 and/or transmitter data 84, so that provide the convenient of test condition that is associated with given institute's image data set is quoted.

In addition, in certain embodiments, radiance test module 40 can comprise device analysis device module 88, is used for definite for given predetermined radiance test 24, the radiance characteristic 42 that is associated with wireless device 12.Device analysis device module 88 can comprise any hardware, software, firmware and/or other executable instruction set, is used for analyzing any information of gathering in testing of equipment daily record 86, and generates radiance characteristic 42.In one embodiment, for example, device analysis device module 88 can comprise analyzes agreement 90, and it can comprise and handle and/or analyze information in the daily record 86 with the relevant function of the method for generation radiance characteristic 42, algorithm etc.For example, analyze the realization that agreement 90 can comprise performance test, integrated agreement, simulation model, forecast model, statistical analysis etc., such as being used to utilize the information that is write down to determine required measuring, such as finally separating that the part of test result is separated or tested, promptly the radiance characteristic 42.Therefore, radiance characteristic 42 can be a kind of measuring, such as but be not limited to: the gain inequality between power and/or voltage gain, sensitivity measure result, multiple directional diagram correlation, decline correlation, two the reception chain/antennas etc.In addition, radiance test module 40 can be stored in the radiance characteristic 42 that is generated in the testing of equipment daily record 86, perhaps be stored in some other records with one or more part relations of daily record 86, on wireless device 12 and/or another computerized equipment, transmit, check and/or analyze being used for such as controller system 14.In addition, analyze agreement 90 and can be included in the testing of equipment configuration 76, and to determine the radiance test result the term of execution visit by device analysis device module 88.

Any function of the parts of the wireless device 12 shown in Fig. 1 can utilize another equipment to realize.In addition, some parts can be positioned on the independent equipment.For example, be to provide for computing equipment under the situation of adapter of wireless communication ability at wireless device 12 such as laptop computer, part or all of testing of equipment daily record 86 can be stored in the laptop computer.Similarly, the some or all of parts of computing platform 56 can be positioned at laptop computer from one's body.

With reference to Fig. 1 and Fig. 4-6, controller system 14 can comprise at least one in hardware, software, firmware, work station, server, personal computer, microcomputer, mainframe computer or any special use or the universal computing device of any type.In addition, controller system 14 can be positioned on the wireless device 12 fully.In addition, controller system 14 can comprise that co-operation is to carry out a plurality of separate servers or the computer equipment of institute's representation function here.Controller system 14 (or a plurality of module) can send to wireless device 12 through wireless network with ageng or application program (such as self-radiation performance test module 40), so that wireless device 12 returns the information from its intrinsic application program and subsystem.For example, wireless device 12 can be sent in predetermined radiance with the form of testing of equipment daily record 86 and test the result of actuating equipment test configurations 76 during 24, wherein controller system 14 is can be subsequently synchronous with this result and scheduled time information or positional information, to generate radiance characteristic 42.

In addition, the controller system 14 output mechanism 94 that has the input mechanism 92 that is used for generation system input and be used to generate the information that the user by controller system uses.For example, input mechanism 92 can comprise following mechanism: such as, button or keyboard, mouse, touch-screen display, sound identification module etc.The input of controller system 14 can comprise and be used to be provided with, change parameter and operation radiation test or will carry out synchronous menu option with the information that is recorded on the controller system from the log information of wireless device.In addition, for example, output mechanism 94 can comprise display, audio tweeter, tactile feedback mechanism etc.The output information that generates can comprise and is used to carry out test and synchronously and/or calculate test result, check the above-mentioned menu of test result etc.

In addition, controller system 14 has computer platform 96, and it can transmit and receive data, and can receive with the executive software application program and carry out data and show.Computer platform 96 comprises memory mechanism 98, it can comprise volatibility and nonvolatile memory, such as read-only memory (" ROM ") and/or random access storage device (" RAM "), Erasable Programmable Read Only Memory EPROM (" EPROM "), Electrically Erasable Read Only Memory (" EEPROM "), flash memory cards or to the general any memory of computer platform.In addition, memory mechanism 98 can comprise one or more secondarys or three grades of memory devices, such as magnetic medium, light medium, tape, perhaps floppy disk or hard disk.

In addition, computer platform 96 also comprises CPU 100, and it can be one or its combination in application-specific integrated circuit (ASIC) (" ASIC ") or other chipset, logical circuit, FPGA (Field Programmable Gate Array) machine or any other data processing equipment.More specifically describe as following, CPU 100 explain and executive software in the instruction and data that comprises, all or part of such as radiation test manager module 44.

In addition, computer platform 96 comprises that also specific implementation is the communication module 102 of hardware, firmware, software and combination thereof, between the various parts of its support controller system 14 and the communication between controller system 14 and the miscellaneous equipment such as navigation system 28, radio-signal system 32 and wireless device 12.For example, communication module 102 comprises input port and output port, such as being respectively applied for receiving equipment test log 86 and transmitting control signal 16.

As mentioned above, computer platform 96 also comprises radiation test manager module 44, be used to carry out and Management Controller system 14 on all radiance test activities.Radiation test manager module 44 can specific implementation be hardware, firmware, software and combination thereof.In one embodiment, radiation test manager module 44 comprises management logic 104, and it provides the ability of the predetermined radiance test 24 of operation.In addition, in certain embodiments, management logic 104 can provide startup to the analysis of gathering daily record to generate the ability of radiance characteristic 24.

In one embodiment, radiation test manager module 44 comprises storehouse 106, and it has can be by a plurality of predetermined radiance test 108 of controller system 14 operations.For example, a plurality of predetermined radiance tests 108 can comprise different test protocols, it can change according to standards body, wireless carrier, radio equipment manufacturer, wireless device processes device, antenna system, wireless device model, and also can be designed for definite different radiance characteristic.In any situation, management logic 104 can be for the user provides interface, so that selective radiation performance test 24 from a plurality of predetermined radiance tests 108.Replacedly, radiance can be tested 24 and be loaded into separately in the computer platform 96, and carry out by radiation test manager module 44.

With reference to Fig. 5, in one embodiment, predetermined radiance test 24 comprises the set of a plurality of positions 110, respectively signal 18 and 46 is sent to wireless device 12 in these positions or sends from wireless device 12.A plurality of positions 110 are corresponding to specific test protocol.For example, needed as some radiation tests, a plurality of positions 110 can comprise the point on the sphere.Yet, should be appreciated that a plurality of positions 110 can comprise and the line of any kind or the relevant in shape point of any kind.As previously mentioned, one or more reference signal characteristicses 34 and 48 can be associated with each

signal

18 and 46 respectively.These reference signal characteristicses 34 and 48 can be including, but not limited to signal power, signal amplitude, signal phase, signal frequency, signal type/agreement and any other controlled signal parameter that can be provided with for the radiance of determining wireless device 12.

In addition, in certain embodiments, each

signal

18 and 46 can also comprise packet, it can be defined as predetermined (" the OTA ") data 112 of eating dishes without rice or wine.For example, as mentioned above, predetermined OTA data 112 can comprise the predetermined synchrodata 36 of stipulated time information 114 and/or positional information 116.Temporal information 114 comprises and is used for the data of time that regulation wireless device 12 is in a position (such as selected location 22) of a plurality of positions 110.In one embodiment, for example, temporal information 114 can be obtained from time module 118, wherein time module 118 can be the local module related with CPU 100 or can be controller system 14 for synchrodata addressable far module.Positional information 116 comprises the data of the space coordinates of regulation selected location 22.As previously mentioned, utilize predetermined synchrodata 36 with measured value, such as 22 measured (receiving) characteristics of signals 38 or measured (receiving) characteristics of signals 50 by radio-signal system 32 by wireless device 12 in each selected location, be associated with all positions in a plurality of positions 110, so that generate one group of measurement data that is used to analyze.

In addition, predetermined OTA data 112 can comprise additional OTA data 120, and it can comprise the packet of predesignating, and these packets comprise the message in the given wireless protocols.These message can comprise a plurality of son groupings of also having stipulated other data.For example, in the code division multiple access agreement, additional OTA data 120 can comprise beep-page message, really receive message, registration message, system parameters message and any other Overhead Message.In addition, additional OTA data 120 can also comprise sub-grouping information, such as the latitude and longitude coordinate of service option, system banner (" SID ") sign indicating number, network identity (" NID ") sign indicating number, base station, system configuration/parameter information, test configurations/parameter information etc.In addition, additional OTA data 120 can comprise the code of the function that is used to control wireless device 12, such as being used to open and close log record, indicating positions changes, indication sends the time of signal code and any miscellaneous equipment Control Parameter.For example, can use different SID code values to open and close the record of daily record parameter 78.In addition, in one embodiment, predetermined synchrodata 36 can be embedded in by in the not use part of adding OTA data 120 specified standard Overhead Messages.

In addition, predetermined radiance test 24 can also comprise as top specifically described testing of equipment configuration 76.Testing of equipment configuration 76 can comprise the relevant information of computerized equipment, and wherein this computerized equipment has suitable test module to carry out all or part of predetermined radiance test 24.For example, testing of equipment configuration 76 can allow the predetermined radiance test 24 of one or two execution in wireless device 12 and the controller system 14.In addition, testing of equipment configuration 76 can comprise the summary info that specifies test parameter.In one embodiment, for example, testing of equipment can be disposed 76 parts and send to wireless device 12 as additional OTA data 120.

In addition, radiance test 24 can comprise and is used for carrying out test or being encapsulated in the daily record parameter 78 of testing of equipment configuration 76 and the set of test variable 80.In addition, based on given test parameter, radiance test 24 can comprise the predetermined control command set 16 that is used to carry out test.

In addition, as top specifically described, predetermined radiance test 24 can also comprise extraly analyzes agreement 90, is used for handling and/or analyzing the information of daily record 86 to generate radiance characteristic 42.For example, in the embodiment of wireless device 12 execution analyses, can send to wireless device 12 with analyzing the part of agreement 90 as additional OTA data 120.Replacedly, controller system 14 can utilize in this locality and analyze agreement 90.

Return with reference to Fig. 4, radiation test manager module 44 is carried out predetermined radiance test 24, to generate control signal 16 based on the various parameters relevant with test 24 in each position.As previously mentioned, control signal 16 comprises location component 26, is used for coming mobile wireless device 12 each position through a plurality of positions 110 via navigation system 28.In addition, as previously mentioned, control signal comprises signaling component 30, is used for coming control signal 18 transmission of 12 from radio-signal system 32 to wireless device based on reference signal characteristics 34.

In an embodiment, such as when wireless device 12 is sent to controller system 14 with testing of equipment daily record 86, perhaps when test 24 comprised measurement result from the transmission signals 46 of wireless device 12, controller system 14 was determined the radiance characteristic 42 of wireless devices 12.In either case, with reference to Fig. 6, radiation test manager module 44 also comprises control test log 122, is used to keep the record of test condition and/or test result.In one embodiment, for example, control test log 122 comprises the testing of equipment configuration 76 that is used to write down test parameter, and as mentioned above, it can comprise all or arbitrary portion of the data relevant with predetermined radiation test 24.

In addition, control test log 122 can comprise the predetermined value of test parameter, the measured value of this predetermined value and test parameter can be compared subsequently, so that determine the radiance of wireless device 12.For example, control test log 122 can comprise the record of receiver control data 126, and it comprises and the relevant information of the signal that is received from wireless device 12 by radio-signal system 32 (such as, signal 46).For example, receiver control data 126 can comprise measuring-signal characteristic 50, predetermined synchrodata 36, reference signal characteristics 48 and/or any out of Memory relevant with the signal that receives from wireless device 12 46.Similarly, control test log 122 can comprise the record that controls transmitter data 128, and it comprises and the relevant information of the signal that is sent to wireless device 12 by radio-signal system 32 (such as, signal 18).For example, controlling transmitter data 128 can comprise: reference signal characteristics 34, it has been stipulated about the information of the signal 18 that sends to wireless device 12, synchrodata 36, measured characteristics of signals 38 and/or any out of Memory relevant with the signal 18 that sends to wireless device 12.

In addition, in the above-described embodiments, radiation test manager module 44 can comprise performance analyser module 130, is used for the data that control test log 122 and/or testing of equipment daily record 86 comprise are carried out aforesaid analysis agreement 90, so that determine radiance characteristic 42.May the performance analyser module 130 similar or identical can comprise any hardware, software, firmware and/or other executable instruction set, be used for analyzing any information of gathering in control test log 122 and/or testing of equipment daily record 86 with the analyzer module 88 on the wireless device 12.

In addition, performance analyser module 130 can also comprise synchronous logic 132 extraly, but its place of execution is used for acquisition controlling test log 122 and/or testing of equipment daily record 86, and record is made up, so that signal, measurement result and position are carried out synchronously, thereby generate synchrodata daily record 134.Particularly, the synchrodata 36 between synchronous logic 132 matching unit test logs 86 and the control test log 122 is so that correspondingly mate the relative reference signal characteristics of measuring-signal characteristic.For example, in one embodiment, this coupling combined result of record is synchrodata daily record 134.In this case, 130 pairs of synchrodata daily records of performance analyser module, 134 execution analysis agreements 90 are so that generate radiance characteristic 42.

Return with reference to Fig. 1, navigation system 28 can be any mechanism that wireless device 12 can be moved to selected location 22.In one embodiment, for example, navigation system 28 comprises positioner 136, and it receives the location component 26 of control signal 16, and guiding localizer assembly 138 moves appended wireless device 12.For example, localizer assembly 138 can comprise a plurality of supporting constructions, such as support and pedestal, they can rotate and/or linear moving independently of one another, so that localizer assembly 138 can move to wireless device 12 any given plane and/or spherical position, perhaps along axis rotating and radio equipment 12 process assigned addresses.In one embodiment, for example, localizer assembly 138 can rotate arbitrarily angled θ and arbitrarily angled along the transverse axis rotation along the longitudinal axis with wireless device 12 Motion by each tangent plane (taper shape or great circle arc) is continuous, and during the DUT rotation measurement result (for example, rssi measurement result) is carried out continuous sampling.Therefore, " stop and carrying out " that does not have wireless device 12 in the precalculated position.Replace, localizer assembly 138 moves through each tangent plane with constant speed with wireless device 12.Although be not the measurement of carrying out wireless device 12 in the fixed position, can determine by interpolation sampled data in the RSSI value at particular measurement coordinate place.In one embodiment, the speed of localizer assembly 138 rotating and radio equipment 12 depends on required number of samples and obtains the required time span of each sampling.

In addition, can with the Height Adjustment of wireless device 12 to any elevation angle e of the longitudinal axis.Localizer assembly 138 can comprise rotation and/or linear electric machine, such as servomotor, so that receive order and accurate location of wireless devices 12 from positioner 136.In addition, localizer assembly 138 can comprise the mechanism of installation 140, is used for wireless device 12 is detachably fixed to localizer assembly 138.For example, the mechanism of installing 140 can be corresponding hook-and-loop fastener system, belt, glue, the size flute profile shell that can hold wireless device etc.

In another embodiment, for example, the positioner 136 of navigation system 28 receives the location component 26 of control signal 16, and its sign selected location 22 also guides localizer assembly 138 that appended wireless device 12 is moved to selected location 22.In other was implemented, the position of selecting for selected location 22 was the fixed position, and measures with fixing coordinate.

Still with reference to Fig. 1, radio-signal system 32 can be any mechanism that can send and/or receive from wireless device 12 radio wave signal to wireless device 12.In one embodiment, for example, radio-signal system 32 comprises CS module 142, is used for generating and received signal based on the signaling component 30 of control command 16.For example, comprise among the cellular embodiment at wireless device 12, CS module 142 can be a base station emulator, the function of base station transceiver in its analog wireless networks, the model that provides such as the Agilent company in California Palo Alto city are 8960 radio communication tester.CS module 142 can comprise transmission and receiving-member, and it makes radio-signal system 32 send signal 18 and received signal 48 by antenna 144.In one embodiment, antenna 144 comprises direct box horn, and it can comprise locator 146, to adjust and the horizontal h of signal correction and/or vertically v polarization.In addition, although this may be optional, if localizer assembly 138 can be adjusted the vertical height of wireless device 12, then locator 146 can be adjusted the vertical height of antenna 144.

In addition, as mentioned above, CS module 142 can comprise receiving-member, is used to measure the predefined parameter of received signal 46.Replacedly, radio-signal system 32 can comprise the accessory receiver parts 148 that are used to measure the parameter of being paid close attention to, such as power meter.Under any circumstance, radio-signal system 32 is measured received signal 46, and gives controller system 14 with this report information.For example, radio-signal system 32 reports to controller system 14 with receiver control data 126 (such as measuring-signal characteristic 50), and controller system 14 is recorded in this information in the control test log 122 (Fig. 4 and 6).

Still with reference to Fig. 1, test cabinet 20 provides the environment of wireless device 12 with external wireless electric wave and noise isolation.In addition, test cabinet 20 provides the environment that reduces from the interference of reflection radio wave signal, so this test cabinet 20 can comprise anechoic chamber.For example, test cabinet 20 comprises a plurality of walls 150, and it is around wireless device 12.The inboard of wall 150 comprises electric wave absorbing materials 152, such as having the foamed material that is used to absorb and disperse a plurality of taper bossy bodies of radio wave and noise.In addition, any parts in the test cabinet 20 such as positioning component 138, can also comprise on one or more surfaces that ripple absorbing material 152 is to reduce radio-wave reflection.Therefore, it is isolated with the radio frequency (" RF ") of external environment condition that test cabinet 20 provides, and allow not have to disturb (such as for or from the interference of commercial wireless network) situation under same frequency channel execution radiation test to using by the local wireless carrier wave.

With reference to Fig. 7, in one embodiment, a kind of method that operates in the radiance characteristic that is used for definite this wireless device on the wireless device comprises reception and loads radiance test module (square frame 160).For example, wireless device 12 can receive and load radiance test module 40 via wired or wireless connection.

In addition, this method can also comprise the test configurations (square frame 162) that reception is relevant with the test of predetermined radiance.For example, wireless device 12 can receiving equipment test configurations 76, and it is identified at the parameter 78 that radiance test period of carrying out appointment will write down and the variable 80 that will utilize.

In addition, this method can also comprise the radiance test (square frame 164) of carrying out appointment based on the test configurations that is received.The execution of the radiance test of appointment can comprise a plurality of operations, such as receiving radio wave signal (square frame 166), send radio wave signal (square frame 168) and/or being tested test configurations record measured and/or the reference signal characteristics and the synchrodata (square frame 170) of each position in a plurality of positions of regulation based on what receive by being scheduled to radiance.For example, when the receiving ability of testing radio equipment 12, radiance test module 40 comes recorder machine data 82 based on testing of equipment configuration 76, such as measuring-signal characteristic 38.Similarly, radiance test module 40 can send signal 46 and write down its relevant reference signal characteristics 48 based on the parameter of specifying radiance test 24.For the equipment that forward link is only arranged, because wireless device 12 does not comprise transmitter, thus the emissivities of impossible testing radio equipment 12, so square frame 168 is optional.

In the embodiment of remote analysis is provided (square frame 172), this method comprises the transmission log record, so that they can be analyzed (square frame 180) by another equipment.For example, radiance test module 40 can be sent to testing of equipment daily record 86 controller system 14 to be used for further analysis.As described here, the daily record point that the daily record on wireless device 12 and the controller system 14 can send lock-out pulse by the controller system of determining to occur in two daily records 14 carries out synchronously.

In comprising the embodiment of local analytics (square frame 172), this method also comprises reception and loads and specify the relevant analysis agreement (square frame 174) of radiance test, wherein specifies the radiance test to comprise receiver sensitivity.For example, radiance test module 40 can receiving and analyzing agreement 90, with the log information that is applied to be write down in the testing of equipment daily record 86.In addition, this embodiment comprises measurement and/or reference signal characteristics and the synchrodata (square frame 176) that analysis is write down, and generates radiance characteristic (square frame 178) based on analyzing agreement.For example, radiance test module 40 execution analysis agreements 90 are with the predefined parameter of record in the analytical equipment test log 86.This analysis causes and generates radiance characteristic 42.

With reference to Fig. 8, in another embodiment, the method on a kind of device that operates in the radiance characteristic that is used for determining wireless device comprises that receiving and load radiance uses (square frame 182).For example, controller system 14 can receive and load the radiation test manager module 44 with one or more radiance tests.

In addition, this method comprises that carrying out predetermined radiance tests (square frame 184).For example, radiation test manager module 44 can be carried out predetermined radiance test 24.The execution of predetermined radiance test can comprise a plurality of operations, such as based on presumptive test control signal being sent to other system unit (square frame 186).For example, each position in a plurality of positions 110 relevant with specified performance test 24, radiation test manager module 44 can generate has the control signal 16 of locating component 26, to change the position of wireless device 12 by moving of navigation system 28.In comprising the embodiment that sends signal to wireless device 12, the operation that transmits control signal can also comprise to radio-signal system 32 transmission signaling component 3s 0, with the generation of enabling signal 18.In addition, for example, the operation of carrying out predetermined radiance test can also comprise recording scheduled reference signal and/or measuring-signal characteristic and synchrodata (square frame 188).For example, radiation test manager module 44 can be in control test log 122 record controls receiver data 126 and/or control transmitter data 128.

In comprising the embodiment of local analytics (square frame 190), this method also comprises the record (square frame 192) that receives measurement characteristics and synchrodata from wireless device.For example, radiation test manager module 44 is from wireless device 12 receiving equipment test logs 86.If comprise the daily record that is received of measuring-signal characteristic and locating information (square frame 194) synchronously, then this method also comprises based on pre-setting analysis agreement and analyzes the daily record (square frame 196) that is received and generate radiance characteristic (square frame 198).For example, performance analyser module 130 can operational analysis agreement 90 be come analytical equipment test log 86, to determine radiance characteristic 42.In one embodiment, wireless device 12 can be determined the PER of equipment self and gather this data.With the PER storage in testing of equipment daily record 86.A kind of example FLO grouping is " MFLO MLC PLP STATS POST PARAMS " daily record grouping, the number of its record good physical layer grouping (PLP) and the number that PLP wipes.Replacedly, if the daily record that is received is not synchronous (square frame 194), then this method comprises that institute is received log information is synchronous with local log information, with generation synchrodata daily record (square frame 200).For example, performance analyser module 130 can be carried out synchronous logic 132, so that by mating the synchronizing information that comprises in each daily record testing of equipment daily record 86 and control test log 122 are made up, synchronizing information wherein is such as the output pulses that occurs in two daily records and send for the starting point of synchronism detection.In this case, in case generate synchrodata daily record 134, then this method can continue to analyze synchronizing information (square frame 196) and generate radiance characteristic 42 (square frames 198) via pre-setting analysis agreement.

Replacedly, in comprising the embodiment of remote analysis (square frame 190), such as the analysis to wireless device 12, this method can comprise to another equipment transmission analysis agreement (square frame 202) relevant with being scheduled to radiation test.For example, if do not comprise a part as testing of equipment configuration 76 as yet, then radiation test manager module 44 can send to wireless device 12 with analyzing agreement 90, such as by signal 18.Alternatively, this embodiment of method can also comprise from another equipment receiver radiation performance characteristics (square frame 204).For example, if wireless device 12 comprises analyzer module 88, then radiation test manager module 44 can be from these wireless device 12 receiver radiation performance characteristicses 42.Can make in all sorts of ways, comprise the transmitter that uses the wireless device 12 related, independent transmitter (for example, bluetooth with receiver

Or 802.11) or cable, transmit this information.

Particularly, in foregoing limiting examples, can utilize described embodiment to carry out cell phone radiating antenna/receiver test, such as: (1) total omnidirectional sensitivity (TIS) test; (2) total radiant power (TRP) test; And (3) antenna pattern correlation (ρ) test.

All these three kinds of radiation tests need vertically and the spherical test of the antenna gain of horizontal polarization.Although finish indirectly via receiver sensitivity usually, the measurement of antenna receiving gain directional diagram is that the TIS test is intrinsic.The measurement of antenna transmitting gain is depended in the TRP test.The complex voltage that test of antenna pattern correlation or antenna ρ test need be measured two or more antennas simultaneously receives (" RX ") gain, comprises amplitude and phase place.The physical process of measuring spherical gain is identical for all tests in fact: when phone carries out the physics rotation around sphere, and normally on a series of orthodrome tangent planes (elevation angle tangent plane), the loss between measurand transmitter and the receiver.Difference between each test is the characteristic and the position of transmitter and receiver.

Under the situation of TIS test and the test of antenna pattern correlation, the transmitter cell site simulator of CS module 142 (normally such as) is connected to distance (range) directional antenna (such as horn antenna 144), and receiver is connected to tested antenna.In this case, receiver is a receiver module 70, and tested antenna is the antenna system 72 of wireless device 12.For the TRP test, wireless device 12 is as transmitter, and receiver is the RF power meter 148 that is connected to apart from antenna 144.

In these tests, the receiver module 70 of wireless device 12 carries out necessity of the test (RX gain, antenna ρ) based on RX and measures.By using the receiver module 70 of wireless device 12, described embodiment provides many advantages, such as: save time, because needn't revise wireless device 12 for test; And potentially, accurate more result is because in the prior art to the modification of wireless device 12 and use external equipment in the prior art and cable can change the gain pattern of antenna.

In addition, radiance test module 40 provides via the API62 with processing subsystem 64 interfaces and visits receiver data 82, estimates such as RX_AGC (power that is received) and from the pilot tone I/Q of rake finger-like antenna (finger).In addition, radiance test module 40 records receiver data 82 in the testing of equipment daily record 74 in the data storage device 58.This method provides following advantage, promptly can not have testing radio equipment 12 under the situation of connection cable.At this moment, wireless device 12 be testing equipment be again the data log record device.More succinct test setting is provided like this, and its estimation is in the wireless device 12 under the more representational state (not having cable), and can save time.

In addition, above-mentionedly permission is set the test data that is necessary is recorded on the single local wireless device 12.For example, utilize system 10, can be at each power measurement constantly to register control 136 inquiring position information.This positional information or some data (such as time) corresponding with this positional information can be sent to wireless device 12 during test (not having cable), make it possible to being necessary test data is recorded on the wireless device 12.This make wireless device 12 can with receiver parameters record position information synchronously, make it possible to gather at work power and position relation record.Replacedly, controller system 14 can record position information and with this positional information time corresponding or some other variablees that can be synchronous with wireless device 12.Simultaneously, wireless device measured data parameters and the time (or other synchrodata) of 12 records.In this alternative, wireless device 12 can send to daily record controller system 14, and it can carry out positional information and measured data parameters via time or other synchrodata synchronously.For example, the pulse that sends when synchrodata 36 can the process of being included in begins is used for providing predetermined starting point in the daily record of wireless device 12.In another embodiment, can via following mode with positional information or at least synchrodata 36 send to wireless device 12: one or more coded data sockets in the field (data socket) that do not use that on active traffic channel, open, in forward link overhead channel message, such as the SID in the system parameters message, network identity (" NID ") or base station latitude and longitude; And can pass through such as bluetooth

Or 802.11 frequency channels transmission data.

Influencing each other of antenna and phone electronic unit considered in TIS test, comprises coming from not expecting the interference of noise effect by the phone electronic unit radiation that can be coupled to Anneta module.Particularly, at the TIS test, middle FLO receiver sensitivity is measured the service channel power that need find the received signal quality to begin to reduce; Particularly, packet error rate (PER) becomes 0.5% point.Similarly, the cdma receiver sensitivity measure need find the service channel power that the received signal quality begins to reduce; Particularly, frame error rate (FER) becomes 0.5% point.Yet, should be noted that according to given scenario and can specify certain other PER or FER threshold value.In addition, should be noted that and to utilize other threshold parameter.For example, utilize global system for mobile communications (" GSM ") technology, threshold parameter can be bit error rate (BER) (" BER ").For the situation of CDMA, cellular communication and the Internet alliance (" CTIA ") regulation the TIS test process point out, θ (elevation angle) and

The carrying out radiosusceptibility every 30 ° and measure of (azimuth) axle.Equally, can utilize other precalculated position according to scene.Be not included in θ=0 ° and 180 ° of points of locating, prior art need be carried out 60 independently sensitivity measures to each polarization, subsequently surface integral is carried out in these measurements, measures thereby produce TIS.This is the test very consuming time of carry out, because all need progressively iterative process in the sign of the sensitivity point of each position, this is in the past by manually carrying out.

Yet described embodiment accelerates to carry out the speed of TIS test.Radiosusceptibility around sphere only changes because of the variation of antenna RX gain.Other factor of in the link all is a constant.Therefore, if it is known to follow the RX gain mode of antenna, then only need carry out sensitivity measure at single datum mark (being preferably the maximum antenna gain point).Therefore, at sphere what its point of taking up an official post

Radiosusceptibility Sens can be expressed as:

Sens(θ，φ)＝Sens(θ _o，φ _o)+[G _RX(θ，φ)-G _RX(θ _o，φ _o)] (1)

Wherein, (θ is that (θ, the radiosusceptibility of φ) locating is represented with dBm, G in spherical coordinate φ) to Sens _RX(θ is that (θ, the RX antenna gain of φ) locating is represented with dB, and (θ in spherical coordinate φ) _p, φ _o) be the coordinate that reference sensitivity is measured, promptly be preferably sensitivity in the maximum gain position.

In the prior art, this method is unpractical, because as previously mentioned, will carry out the destructiveness change to equipment in the prior art and measure G _RX(θ, φ).Yet described embodiment allows non-destructive ground to determine G _RX(θ φ), measures because carry out received power by the receiver module 70 of wireless device 12.Therefore, in a specific embodiment, can utilize the following accelerated method that is used for each polarization (vertical and level):

(1) carries out radiance test module 40, to measure and to be recorded in the G of predetermined a plurality of positions _RX(θ, φ), such as (θ φ) increases progressively with 30 °, and (θ φ) has defined spherical shape (do not comprise θ=0 ° and 180 °) wherein in this case;

(2) recognizing site (θ _o, φ _o), at this position G _RXMaximum;

(3) at position (θ _o, φ _o) locate to carry out the test of single radiosusceptibility, promptly monitoring that PER is (perhaps for being FER for the equipment of CDMA; Perhaps for for the equipment of GSM, being BER) time oblique deascension to the transmitting power of wireless device up to reaching predetermined threshold PER, to determine Sens (θ _o, φ _o);

(4) formula 1 above the whole precalculated position collection of contrast as above-mentioned spherical position is used, with the Sens that determines each precalculated position (θ, φ); And

(5) (θ φ) carries out integration, measures so that determine the TIS of wireless device to calculating Sens in shape in the precalculated position.

In other words, TIS needs " radiosusceptibility directional diagram " EIS _v(θ, φ) and EIS _h(θ, φ), EIS wherein _{V or h}(equivalent omnidirectional sensibility) be for given PER (perhaps BER or FER) threshold value in given taking measurement of an angle (θ, the radiation receiver sensitivity of φ) locating.Yet, in test cabinet,, call out meeting call drop usually because when equipment under test rotates to antenna directivity invalid (for example, received signal level is lower than the phone noise level), are comparison difficulties so directly measure these numerical value.For fear of this problem,, carry out convergent-divergent by measured peak sensitivity value then, to derive EIS being enough to avoid the higher received power level place of call drop to measure receiving pattern _v(θ, φ) and EIS _h(θ, φ) directional diagram.For example, in one embodiment, path loss in the calibration chamber, making has known power level on equipment under test, wherein this power level exceeds than the back noise of phone and is about or greater than 30dB (for example, be about in the call test position-70dBm is preferable numerical value for call type code).Yet, should be noted that according to the nominative testing scene and can utilize other dBm numerical value.Come to derive antenna gain directional diagram (G by normalizing to RSSI value (being measured power) according to top measured directional diagram data _v(θ, φ), G _h(θ, φ))), wherein the RSSI value be to receiver directly " injections " (usually via the RF test port on the phone) reference power level (be in this case-70dBm) time by telephone report.This is that the antenna gain in the specified measurement angle is the incident power at 0dBi and the phone place value that phone will be reported during for-70dBm.Represent receiving antenna gain with the deviation of this value.

Then, (θ, peak of radiation receiver sensitivity Peak EIS (θ is measured in indoor loudspeaker polarization (vertically v or horizontal h) φ) in anechoic chamber with incidence angle and at drawing peak antenna gain _Pk, φ _Pk).By obtaining the EIS directional diagram with peak E IS value normalization antenna gain directional diagram:

EIS _{V or h}(θ, φ)=PeakEIS (θ _Pk, φ _Pk)-G _{V or h}(θ, φ)

In case known EIS _v(θ, φ) and EIS _h(θ, φ) directional diagram then obtain TIS by the space average of carrying out directional diagram on the sphere of test angle and measure:

This technology allows fully on the wireless device 12, carry out these calculating fully in control system 14 places or its certain combination.For example, when wireless device 12 receive such as the synchrodata 36 of positional information or such as the synchrodata 36 of temporal information 114 and from the synchrodata 36 of controller system 14 and positional information concern daily record the time, wireless device 12 can be determined independently.Wireless device 12 can be determined G _RX(θ _o, φ _o) and to controller system 14 transmission (θ _o, φ _o), with the sensitivity test part that is used to redirect navigation system 28 and starts agreement.Then, wireless device 12 can calculate required Sens (θ φ), and carries out integration and measures to determine TIS, and wherein TIS measures and can store and/or send to controller system 14.

Replacedly, after step 1 and 2, can interrupt data acquisition, be used for subsequent treatment to determine G to allow that testing of equipment daily record 86 is unloaded to (for example) from wireless device 12 at wireless device 12 places _RX(θ, φ) and G _RX(θ _o, φ _o) controller system 14 in.For example, daily record 86 comprises the record of measured data and synchrodata relation.At this moment, controller system 14 can transmit control signal 16 so that wireless device is positioned at the position (θ that is used for radiosusceptibility test _o, φ _o) locate.Similarly, wireless device 12 can be in after the set of maximum gain position recording sensitivity measurement result or at definite Sens (θ _o, φ _o) afterwards, unloading equipment test log 86.Then, controller system 14 can carry out integration at all location application formula 1 and/or across sphere, thereby determines that TIS measures.

In addition, because RX_AGC is active, so can utilize wireless device 12 execution in step 1 under idle pulley.Advantageously, this technology has been eliminated for the demand that keeps service call at test period.However, should be noted that for step 3 wireless device 12 and can be in the calling, because may be only at business data frame regulation FER.

In one embodiment, manually carry out above-mentioned sensitivity test---the emission power of forward link on the manual adjustment cell site simulator is to reach the target P ER on the wireless device 12.As mentioned above, described embodiment provides the automatic sensitivity test.For example, controller system 14 is set up with wireless device 12 and is called out, and oblique deascension forward link power progressively, preserves the record of power and time relationship simultaneously in control test log 122.Simultaneously, radiance test module 40 writes down PER and time relationship in testing of equipment daily record 86.Radiation test manager module 44 receiving equipment test logs 86 and carry out synchronous logic 132 with synchronously with each daily record 122 and 86 in the measurement result that is associated writing time of institute, thereby generate the synchronization log 134 that comprises that PER and power relation write down.Based on the record of this PER and power relation, performance analyser module 130 can be determined the point of 0.5%PER.

In another is replaced,, then all data necessary can be recorded in wireless device 12 places if forward emitting power is sent to wireless device 12 by forward link.In this case, radiance test module 40 execution analysis device modules 80 are to determine the point of 0.5%PER.Therefore, daily record is incorporated into has advantageously eliminated on the wireless device 12 for respectively from the demand of the offline synchronization of the daily record 122 of controller system 14 and wireless device 12 and 86.

For TRP, the TRP test is the performance test of the emission chain of wireless device 12.For this test, can dispose 76 via testing of equipment and dispose wireless device 12 so that launch with full power.For example, in CDMA equipment, this often sends " complete be provided with (all-up) " power control bit by indicating cell website simulator and realizes when keeping service call.Measure the power that receives from wireless device 12 by attaching to the power meter 148 of antenna distance orientation (loudspeaker) antenna 144.

The TRP test process of CTIA regulation indicates, for each polarization, θ (elevation angle) and

Carry out power measurement every 15 ° in (azimuth) axle.Be not included in θ=0 ° and 180 ° of points of locating, this technology all needs 264 independent data points for each polarization, subsequently these points is carried out integration on sphere, measures thereby produce TRP.Overlapping owing to having in the position that needs to measure, carry out the TRP test simultaneously so described embodiment permission is tested with TIS, thereby save time significantly.

Replacedly, the other method that is used to dispose the wireless device 12 of full power operation is by this wireless device being placed factory test mode (FTM) the digital transmission gain manually is set.In this configuration, can determine side by side to carry out the TRP test with top idle pulley RX gain, thereby save the time potentially at the TIS test description.

In other words, can determine that TRP measures by following formula:

Wherein, EIRP _v(θ φ) is the equivalent isotropically radiated power of vertical polarization, and EIRP _h(θ φ) is the equivalent isotropically radiated power of horizontal polarization, and it can be according to transmitting gain pattern G _{V or h}(θ, φ) determine:

G _{V or h}(θ, φ)=EIRP _{V or h}(θ, φ)/MaxPAOut

Wherein, MaxPAOut is the maximum power in each test frequency place power amplifier output, that is, and and the maximum power of transmitter module 68 outputs.

It follows peak of radiation power P eakEIRP is the maximum of EIRP directional diagram:

PeakEIRP＝Max[Max(EIRP _v(θ，φ))，Max(EIRP _h(θ，φ))]

May need PeakEIRP to be used for the routine authentication of wireless device, that is, SAR, classification grade authenticate, radiated emission.

In addition, another emission mode radiance characteristic is an antenna efficiency, η:

Use and derive antenna efficiency according to the similar mode of antenna gain directional diagram derivation TRP.

Directional diagram envelope correlation ρ _eEstimate the electromotive force of the diversity gain of double antenna, double-receiver phone in the mobile environment.The ρ test is determined the decline correlation based on measuring complex gain.Can use the measured multiple Rx directional diagram (for example, as described below E θ 1, E φ 1, E θ 2 and E φ 2) of main antenna and secondary electric wire to estimate the envelope correlation that last in-field model is caused by antenna.

Appearance along with as the receiver diversity of the available feature among contemporary mobile radio station modulation (" the MSM ") ASIC has produced being used for predicting the demand of multiaerial system at field practice condition radiation test how.MIMO equipment also can be benefited from this test.The key design parameter that is used for double antenna equipment is the correlation between the antenna.The antenna that produces the height correlation signal in the double reception chain is used for receive diversity to Min. ground.Described embodiment utilizes envelope correlation, is also referred to as the decline correlation, as the prediction of diversity gain in the dual-antenna system.

Can predict envelope correlation with the incident RF field of being supposed according to the right complex voltage gain pattern of antenna.Identical with other receiving gain measurement, use wired test to measure multiple antenna gain directional diagram usually.Under the situation of commercial wireless device, this need revise so that aerial lug to be installed the destructiveness of equipment.Yet described embodiment does not carry out destructiveness to be revised, but utilizes the parts of the receiver module 70 of wireless device 12.For example, under cellular situation, CDMA rake receiver function needs the precise phase of pilot channel to estimate.By by the cell site simulator (such as, simulator 142) provides the pilot channel of activation and radiance test module 40 is write down from estimating as the power that can find and from inphase/orthogonal phase (I/Q) pilot tone as finding that the rake receiver receives that each receives that chain/antenna receives along with phone rotates along sphere the RX_AGC packet the packet of RX_Pilot finger-like, can on wireless device 12, intactly generate the complex gain directional diagram.This does not need that handheld device is carried out destructiveness and revises.

As above-mentioned receiver gain directional diagram, if in data acquisition period such as the position/angles information wireless being transferred to wireless device 12 by forward link, then can on this equipment, integrate all daily records.

If wireless device 12 is not accurately realized receiver diversity in idle pulley, then can utilize the wireless device 12 that is in the service call to determine the multiple directional diagram of many antennas.

Particularly, described embodiment comprises the envelope decline correlation ρ that is used for according to the antenna on the wireless device 12 in test cabinet 20 measured complex radiation directional diagram being estimated mobile environment _eApparatus and method.

Owing to have multiple antenna field directional diagram E _m(θ, k electromagnetic plane wave (ray) F φ) ^k _m(θ, φ), (θ, the complex voltage V that occurs on m the antenna element of φ) locating can provide by following formula:

V_{m}^{k} = {&Integral;}_{0}^{2 π} {&Integral;}_{0}^{π} E_{m} (θ, φ) \cdot F_{m}^{k} (θ, φ) \cdot \sin θ \cdot dθ \cdot dφ

= {&Integral;}_{0}^{2 π} {&Integral;}_{0}^{π} (E_{θ, m} (θ, φ) \cdot F_{θ, m}^{k} (θ, φ) + E_{φ, m} (θ, φ) \cdot F_{φ, m}^{k} (θ, φ)) \cdot \sin θ \cdot dθ \cdot dφ

Therefore, in total variance of antenna field directional diagram again at this antenna element place For:

E [{| V_{m}^{k} |}^{2}] = P_{V} \cdot {&Integral;}_{0}^{2 π} {&Integral;}_{0}^{π} {| E_{θ, m} (θ, φ) |}^{2} \cdot P_{θ} (θ, φ) \cdot \sin θ \cdot dθ \cdot dφ

{+ P}_{H} \cdot {&Integral;}_{0}^{2 π} {&Integral;}_{0}^{π} {| E_{φ, m} (θ, φ) |}^{2} \cdot P_{φ} (θ, φ) \cdot \sin θ \cdot dθ \cdot dφ

Wherein, P _θAnd P _φIn-field angle power density functions on expression θ (vertical polarization) and φ (horizontal polarization) direction, P _VAnd P _HBe constant, its expression is such as the average incident power on the wireless device 12 that polarizes along θ (vertically) and φ (level) respectively in typical RF environment that can find along the random drive route.

For antenna 1 and 2, from the cross covariance between the signal of two antennas receptions

For:

E [V_{1}^{k} \cdot {V_{2}^{k}}^{*}] = E [V_{θ, 1}^{k} \cdot {V_{θ, 2}^{k}}^{*}] + E [V_{φ, 1}^{k} \cdot {V_{φ, 2}^{k}}^{*}]

= P_{H} \cdot {&Integral;}_{0}^{2 π} {&Integral;}_{0}^{π} (XPR \cdot E_{θ, 1} (θ, φ) \cdot {E_{θ, 2}}^{*} (θ, φ) \cdot P_{θ} (θ, φ))

+ E_{φ, 1} (θ, φ) \cdot {E_{φ, 2}}^{*} (θ, φ) \cdot P_{φ} (θ, φ)) \cdot \sin θ \cdot dθ \cdot dφ

Wherein, XPR=P _V/ P _H, and wherein * represents complex conjugate.

According to this two signal variance and cross covariance, the envelope correlation coefficient is provided by following formula:

Use the measured multiple antenna pattern E θ 1 of wireless device 12 in can formula in front with antenna system 72, E φ 1, E θ 2, E φ 2 calculates ρ as follows _e, wherein antenna system 72 has the double antenna that covers 4 π surface of spheres with walk-off angle on the visual field:

R_{12} = Σ_{j = 1}^{Nφ} Σ_{i = 1}^{Nθ} (XPR \cdot {Eθ 1}_{i, j} \cdot {Eθ 2}^{*}_{i, j} \cdot {Pθ}_{i} + {Eφ 1}_{i, j} \cdot {Eφ 2}^{*}_{i, j} \cdot Pφi) \cdot \sin θ_{i} \cdot Δθ \cdot Δφ

σ 1 = Σ_{j = 1}^{Nφ} Σ_{i = 1}^{Nθ} (XPR \cdot {Eθ 1}_{i, j} \cdot {Eθ 1}^{*}_{i, j} \cdot {Pθ}_{i} + {Eφ 1}_{i, j} \cdot {Eφ 1}^{*}_{i, j} \cdot {Pφ}_{i}) \cdot \sin θ_{i} \cdot Δθ \cdot Δφ

σ 2 = Σ_{j = 1}^{Nφ} Σ_{i = 1}^{Nθ} (XPR \cdot {Eθ 2}_{i, j} \cdot {Eθ 2}^{*}_{i, j} \cdot {Pθ}_{i} + {Eφ 2}_{i, j} \cdot {Eφ 2}^{*}_{i, j} \cdot Pφi) \cdot \sin θ_{i} \cdot Δθ \cdot Δφ

Wherein, R is relevant with cross covariance between antenna 1 and 2; I, j are and the survey relevant index in angle position of sampling; N θ represents the quantity at θ angle; And N _φThe quantity at expression φ angle.

Therefore, envelope correlation ρ _eFor:

ρ_{e} = \frac{{| R_{12} |}^{2}}{σ 1 \cdot σ 2}

In these calculate, value and the P of XPR (polarizability of in-field) _θAnd P _φThe form of function depends on RF environment (for example, city, suburb, rural area, highway etc.).

For example, provided P below for the channel model that on the elevation angle, has Gauss expansion having identical expansion on the azimuth _θAnd P _φExpression formula:

Pθi = P_{v} i = A_{V} \cdot \exp^{- [\frac{{(θi - m_{V})}^{2}}{2 \cdot {σ_{V}}^{2}}]}

Pφi = P_{h} i = A_{h} \cdot \exp^{- [\frac{{(θi - m_{h})}^{2}}{2 \cdot {σ_{h}}^{2}}]}

Wherein, Av and Ah are normaliztion constants, make P when carrying out integration on sphere _θWith P φ=1; m _v, m _hBe θ, the φ polarization external field average angle of arrival separately, representative value in one embodiment is m _v=5 degree and m _h=10 degree; And σ _θ, σ _φBe θ, the angle expansion separately of φ polarization external field, representative value in one embodiment is σ _θ=15 degree and σ _φ=30 degree.

Yet, should be noted that other expression formula is possible.

Some telephony modes have been made with double antenna.Measure multiple directional diagram and calculate the decline correlation according to the directional diagram of each test case.The ρ value scope that draws is 0.05 to 0.98.In addition, use identical pattern phone to measure the correlation between signals that in typical indoor environment, receives by each antenna.In the zone that covers by local PCS service provider, carry out these tests.

Particularly, with reference to Fig. 7,, compare favourable with the result who measures acquisition according to primary field as can be seen according to measured " directional diagram " correlation results that measures in the test cabinet 20.For example, figure 700 comprises corresponding to the transverse axis 702 of measured directional diagram ρ value with corresponding to the longitudinal axis 704 of following every field ρ value: phone 706 has and is connected to splitter and (indoor) measured under non line of sight (" NLOS ") condition single dipole antenna; Phone 708 has under near sighting distance (" LOS ") condition (indoor) measured two electrode couple antennas that are spaced apart 0.05 λ on the roof; Phone 710 has the two electrode couple sub antennas that are spaced apart 0.05 λ measured under the NLOS condition; Flip phone 712 has an exterior antenna and an inside antenna measured under the NLOS condition; Flip phone 714 has an exterior antenna and an inside antenna measured under the NLOS condition; Phone 716 has a pair of short and thick (stubby) exterior antenna measured under the NLOS condition; And phone 718, have a short and thick exterior antenna and an inside antenna of under the NLOS condition, measuring.Therefore, figure 700 expression almost is positioned at over each other according to the ρ value of directional diagram and field data calculating for ρ value in a big way.

Because the correlation between a measured directional diagram ρ value and the ρ value, these results confirm can be according to the described embodiment test that experimentizes, so that estimate the diversity performance of the wireless device of support dual-antenna diversity under the situation by the field test that enlarges not.

In addition, with reference to Fig. 8, form 800 comprises that the measured radiation mode of usage example phone comes the example of ρ value 802 that different channels model 804 is calculated.In this case, channel model 804 comprises indoor environment, city Microcell, city macrocell and the highway macrocell with outside transceiver base station.In addition, each channel model 804 comprises different variables sets 806.In this case, for example, variable 806 comprises polarized wave m, angle spread σ and polarizability XPR.It should be noted that, the statistic that channel model is used is the measurement of carrying out from people such as Kalliola, here by with reference to incorporate " Angular Power Distribution and Mean Effective Gain of Mobile Antennas InDifferent Propagation Environments; " into IEEE Transactions on VehicularTechnology, Vol.51, No.5, in September, 2002.Based on these result calculated, described apparatus and method provide a kind of and have been used for using the complex radiation directional diagram to estimate that decline correlation between the mobile environment double antenna is with the robust method of the diversity performance that characterizes the wireless device of supporting diversity.

Therefore, in described embodiment, can determine one or more predetermined radiance characteristics to wireless device at single test period, wherein this wireless device does not have cable, and this wireless device writes down its oneself measured data and synchrodata in inherent storage.For example, the radiance characteristic can comprise TIS value, TRP value and envelope correlation ρ _eSubsequently, can with the radiance characteristic value that calculates based on measurement as described herein with such as comparing, so that determine radiance acceptability, approval and/or the authentication of wireless device by some predetermined thresholds of network carriers, manufacturing or standard group setting.

Although the foregoing disclosure content shows exemplary embodiment, should be noted that under situation about not departing from and to carry out variations and modifications as the scope of embodiment as described in the claims defined.In addition, although the assembly of described embodiment is described with singulative or required, unless be explicitly described as odd number, otherwise plural number also is expected.

Claims

1, a kind of method that is used for the radiance characteristic of definite wireless device comprises:

In a plurality of relevant moment each determines that constantly wherein said a plurality of relevant moment are relevant with the zero hour by the measured characteristics of signals of the only forward link signal of described wireless device reception; And

In the relevant daily record that constantly measured characteristics of signals is recorded on the described wireless device of in described a plurality of relevant moment each.

2, method according to claim 1 also comprises:

Receive synchronizing signal; And

Based on described synchronizing signal be set the described zero hour in described daily record.

3, method according to claim 2, wherein said synchronizing signal is a pulse signal.

4, method according to claim 1, wherein measured characteristics of signals is a power gain.

5, method according to claim 1 also comprises based on measured characteristics of signals and determines the antenna gain directional diagram.

6, method according to claim 5, wherein said antenna gain directional diagram is the antenna power gain directional diagram.

7, method according to claim 5, wherein said antenna gain directional diagram are antenna complex voltage gain pattern.

8, method according to claim 5 also comprises and determines the position of peak gain in described antenna gain directional diagram.

9, method according to claim 8 also comprises the sensitivity of using the position of described peak gain in described antenna gain directional diagram to determine the peak value receiver.

10, method according to claim 9 also comprises the lowest power level of determining in peak gain position described in the described antenna gain directional diagram, wherein can receive the prearranged signals quality indicator with described lowest power level.

11, a kind of device that is used for the radiance characteristic of definite wireless device comprises:

Determination module, each that is used in a plurality of relevant moment determines that constantly wherein said a plurality of relevant moment are relevant with the zero hour by the measured characteristics of signals of the only forward link signal of described wireless device reception; And

Logging modle is used in each relevant daily record that constantly measured characteristics of signals is recorded on the described wireless device in described a plurality of relevant moment.

12, device according to claim 11 also comprises:

Be used to receive the module of synchronizing signal; And

Be used for being provided with in described daily record the module of the described zero hour based on described synchronizing signal.

13, device according to claim 12, wherein said synchronizing signal is a pulse signal.

14, device according to claim 11, wherein measured characteristics of signals is a power gain.

15, device according to claim 11 also comprises the module that is used for determining based on measured characteristics of signals the antenna gain directional diagram.

16, device according to claim 15, wherein said antenna gain directional diagram are the antenna gain directional diagrams of selecting from the group of being made up of antenna power gain directional diagram and antenna complex voltage gain pattern.

17, device according to claim 15 also comprises being used for using peak gain to determine the module of the sensitivity of peak value receiver in the position of described antenna gain directional diagram.

18, at least one processor is used to carry out following operation:

19, at least one processor according to claim 18, wherein said at least one processor also is used to carry out following operation:

Receive synchronizing signal; And

20, at least one processor according to claim 19, wherein said synchronizing signal is a pulse signal.

21, at least one processor according to claim 18, wherein measured characteristics of signals is a power gain.

22, at least one processor according to claim 18, wherein said at least one processor also is used to carry out following operation: determine the antenna gain directional diagram based on measured characteristics of signals.

23, at least one processor according to claim 22, wherein said antenna gain directional diagram are the antenna gain directional diagrams of selecting from the group of being made up of antenna power gain directional diagram and antenna complex voltage gain pattern.

24, at least one processor according to claim 22, wherein said at least one processor also is used for carrying out following operation: use peak gain to determine the sensitivity of peak value receiver in the position of described antenna gain directional diagram.

25, a kind of product comprises computer-readable medium and the program that is included in the described medium, wherein, realizes the described method of claim 1 when carrying out described program by the processor in the gateway device.