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1. 发明授权

US09178629B2 Non-synchronized radio-frequency testing 有权
标题翻译：非同步射频测试
公开(公告)号：US09178629B2
公开(公告)日：2015-11-03
申请号：US13218027
申请日：2011-08-25
申请人： Wassim El-Hassan , Vishwanath Venkataraman
发明人： Wassim El-Hassan , Vishwanath Venkataraman
IPC分类号： H04B17/00 , H04B17/309 , H04B17/318 , H04B17/327 , H04B17/336
CPC分类号： H04B17/0085 , H04B17/309 , H04B17/318 , H04B17/327 , H04B17/336
摘要： A device under test (DUT) may be tested using a test station having a test host, a non-signaling tester, and a test cell. During testing, the DUT may be placed within the test cell, and the DUT may be coupled to the test host and the tester. In one suitable arrangement, the DUT may be loaded with a predetermined test sequence. The predetermined test sequence may configure the DUT to transmit test signals using different network access technologies without synchronizing with the tester. The tester may receive corresponding test signals and perform desired radio-frequency measurements. In another suitable arrangement, the tester may be loaded with the predetermined test sequence. The predetermined test sequence may configure the tester to generate test signals using different network access technologies without establishing a protocol-compliant data link with the DUT. The DUT may receive corresponding test signals and compute receive signal quality.
摘要翻译：被测设备（DUT）可以使用具有测试主机，非信令测试器和测试单元的测试站进行测试。在测试期间，DUT可以放置在测试单元内，并且DUT可以耦合到测试主机和测试器。在一个合适的布置中，DUT可以加载预定的测试序列。预定的测试序列可以配置DUT以使用不同的网络接入技术传输测试信号而不与测试仪同步。测试仪可以接收相应的测试信号并执行所需的射频测量。在另一种合适的布置中，测试器可以加载预定的测试序列。预定的测试序列可以配置测试器以使用不同的网络接入技术生成测试信号，而不与DUT建立符合协议的数据链路。 DUT可以接收相应的测试信号并计算接收信号质量。

2. 发明申请

US20130049786A1 NON-SYNCHRONIZED RADIO-FREQUENCY TESTING 有权
标题翻译：非同步无线电频率测试
公开(公告)号：US20130049786A1
公开(公告)日：2013-02-28
申请号：US13218027
申请日：2011-08-25
申请人： Wassim El-Hassan , Vishwanath Venkataraman
发明人： Wassim El-Hassan , Vishwanath Venkataraman
IPC分类号： G01R31/00
CPC分类号： H04B17/0085 , H04B17/309 , H04B17/318 , H04B17/327 , H04B17/336
摘要： A device under test (DUT) may be tested using a test station having a test host, a non-signaling tester, and a test cell. During testing, the DUT may be placed within the test cell, and the DUT may be coupled to the test host and the tester. In one suitable arrangement, the DUT may be loaded with a predetermined test sequence. The predetermined test sequence may configure the DUT to transmit test signals using different network access technologies without synchronizing with the tester. The tester may receive corresponding test signals and perform desired radio-frequency measurements. In another suitable arrangement, the tester may be loaded with the predetermined test sequence. The predetermined test sequence may configure the tester to generate test signals using different network access technologies without establishing a protocol-compliant data link with the DUT. The DUT may receive corresponding test signals and compute receive signal quality.
摘要翻译：被测设备（DUT）可以使用具有测试主机，非信令测试器和测试单元的测试站进行测试。在测试期间，DUT可以放置在测试单元内，并且DUT可以耦合到测试主机和测试器。在一个合适的布置中，DUT可以加载预定的测试序列。预定的测试序列可以配置DUT以使用不同的网络接入技术传输测试信号而不与测试仪同步。测试仪可以接收相应的测试信号并执行所需的射频测量。在另一种合适的布置中，测试器可以加载预定的测试序列。预定的测试序列可以配置测试器以使用不同的网络接入技术生成测试信号，而不与DUT建立符合协议的数据链路。 DUT可以接收相应的测试信号并计算接收信号质量。

3. 发明申请

US20110237199A1 METHODS FOR CALIBRATING RADIO-FREQUENCY RECEIVERS USING CODE DIVISION MULTIPLE ACCESS TEST EQUIPMENT 有权
标题翻译：使用代码段多功能访问测试设备校准无线电频率接收机的方法
公开(公告)号：US20110237199A1
公开(公告)日：2011-09-29
申请号：US12732108
申请日：2010-03-25
申请人： Vishwanath Venkataraman , Justin Gregg , Wassim El-Hassan
发明人： Vishwanath Venkataraman , Justin Gregg , Wassim El-Hassan
IPC分类号： H04B17/00
CPC分类号： H04B17/327 , H04B17/24
摘要： Wireless test equipment may be used to perform over-the-air testing of user equipment. The user equipment may contain an antenna and a receiver. The wireless test equipment may contain a call box that performs network-level testing by sending and receiving protocol-compliant network messages. The call box may transmit a radio-frequency test signal at a predetermined power. The antenna in the user equipment may receive the radio-frequency test signal and may provide the received radio-frequency test signal to the input of the receiver. The call box may send a network message such as a code-division-multiple-access intercode handover command to the user equipment to direct the user equipment to measure the received radio-frequency test signal power at the input of the receiver. The measured power may be transmitted to the call box as part of a pilot measurement message indicator, using an intercode handover command, or using other network messages.
摘要翻译：无线测试设备可用于对用户设备进行空中测试。用户设备可以包含天线和接收机。无线测试设备可以包含通过发送和接收符合协议的网络消息来执行网络级测试的呼叫箱。呼叫箱可以以预定功率发送射频测试信号。用户设备中的天线可以接收射频测试信号，并且可以将接收到的射频测试信号提供给接收机的输入。呼叫箱可以向用户设备发送诸如码分多址交换码切换命令的网络消息，以引导用户设备在接收机的输入端测量所接收的射频测试信号功率。测量的功率可以作为导频测量消息指示符的一部分使用码间切换命令或使用其他网络消息来发送到呼叫箱。

4. 发明授权

US08718567B2 Methods for calibrating radio-frequency receivers using code division multiple access test equipment 有权
标题翻译：使用码分多址测试设备校准射频接收机的方法
公开(公告)号：US08718567B2
公开(公告)日：2014-05-06
申请号：US12732108
申请日：2010-03-25
申请人： Vishwanath Venkataraman , Justin Gregg , Wassim El-Hassan
发明人： Vishwanath Venkataraman , Justin Gregg , Wassim El-Hassan
IPC分类号： H04B17/00 , H03C1/62
CPC分类号： H04B17/327 , H04B17/24
摘要： Wireless test equipment may be used to perform over-the-air testing of user equipment. The user equipment may contain an antenna and a receiver. The wireless test equipment may contain a call box that performs network-level testing by sending and receiving protocol-compliant network messages. The call box may transmit a radio-frequency test signal at a predetermined power. The antenna in the user equipment may receive the radio-frequency test signal and may provide the received radio-frequency test signal to the input of the receiver. The call box may send a network message such as a code-division-multiple-access intercode handover command to the user equipment to direct the user equipment to measure the received radio-frequency test signal power at the input of the receiver. The measured power may be transmitted to the call box as part of a pilot measurement message indicator, using an intercode handover command, or using other network messages.
摘要翻译：无线测试设备可用于对用户设备进行空中测试。用户设备可以包含天线和接收机。无线测试设备可以包含通过发送和接收符合协议的网络消息来执行网络级测试的呼叫箱。呼叫箱可以以预定功率发送射频测试信号。用户设备中的天线可以接收射频测试信号，并且可以将接收到的射频测试信号提供给接收机的输入。呼叫箱可以向用户设备发送诸如码分多址交换码切换命令的网络消息，以引导用户设备在接收机的输入端测量所接收的射频测试信号功率。测量的功率可以作为导频测量消息指示符的一部分使用码间切换命令或使用其他网络消息来发送到呼叫箱。

5. 发明申请

US20120123723A1 METHODS FOR MITIGATING INTERACTIONS AMONG WIRELESS DEVICES IN A WIRELESS TEST SYSTEM 审中-公开
标题翻译：用于在无线测试系统中的无线设备中减轻交互的方法
公开(公告)号：US20120123723A1
公开(公告)日：2012-05-17
申请号：US13019250
申请日：2011-02-01
申请人： Wassim El-Hassan , Vishwanath Venkataraman , Justin Gregg
发明人： Wassim El-Hassan , Vishwanath Venkataraman , Justin Gregg
IPC分类号： G06F19/00
CPC分类号： H04W24/08 , H04B17/0085 , H04B17/327 , H04L43/50
摘要： A test station may include a test host, a test unit, and a test chamber. Multiple devices under test (DUTs) may be placed in the test chamber during wireless testing. Radio-frequency signals may be conveyed between the test unit and the multiple DUTs using a conducted arrangement through a splitter-combiner circuit or using a radiated arrangement through a test antenna in the test chamber. The multiple DUTs may be synced to the test unit one DUT at a time (in series) or in parallel. The test host may direct the test unit to broadcast downlink signals at a given channel. The test host my direct a selected DUT to transmit uplink signals at the given channel or at a selected channel that is different from the given channel. The test unit may be used to perform desired measurement on the uplink signals transmitted from the selected DUT.
摘要翻译：测试台可以包括测试主机，测试单元和测试室。在无线测试期间，可以将多个被测设备（DUT）放置在测试室中。射频信号可以在测试单元和多个DUT之间使用通过分路器组合器电路的传导布置或者通过测试室中的测试天线的辐射布置来传送。多个DUT可以一次（串联）或并联同步到测试单元一个DUT。测试主机可以指示测试单元在给定信道上广播下行链路信号。测试主机我直接选择一个DUT，以在给定的信道或不同于给定信道的选定信道上传输上行链路信号。测试单元可用于对从所选DUT发送的上行链路信号执行所需的测量。

6. 发明授权

US08588763B2 Methods for testing wireless electronic devices using short message service 有权
标题翻译：使用短消息服务测试无线电子设备的方法
公开(公告)号：US08588763B2
公开(公告)日：2013-11-19
申请号：US13345993
申请日：2012-01-09
申请人： Vishwanath Venkataraman
发明人： Vishwanath Venkataraman
IPC分类号： H04W24/00
CPC分类号： H04W4/16 , H04W24/06 , H04W88/02
摘要： A device under test (DUT) may be tested using a radio-frequency test station. A test station may include a test host, a test unit coupled to the test host, and a shielded enclosure. The shielded enclosure may contain a test antenna that is coupled to the test unit via a radio-frequency cable. The DUT may be placed in the shielded enclosure during testing. The DUT may not be electrically wired to the test host. The test host may direct the test unit to transmit control signals in the form of a text message using Short Message Service (SMS) so that the DUT is placed into different desired configurations during testing. The DUT may also be configured to respond by sending SMS messages back to the test unit, where the SMS messages generated by the DUT includes radio-frequency performance metrics measured using the DUT.
摘要翻译：被测设备（DUT）可以使用射频测试台进行测试。测试台可以包括测试主机，耦合到测试主机的测试单元和屏蔽外壳。屏蔽外壳可以包含经由射频电缆耦合到测试单元的测试天线。在测试期间，DUT可以放置在屏蔽外壳中。 DUT可能没有电连接到测试主机。测试主机可以指示测试单元使用短消息服务（SMS）以文本消息的形式发送控制信号，使得在测试期间将DUT置于不同的期望配置中。 DUT还可以被配置为通过将SMS消息发送回测试单元进行响应，其中由DUT生成的SMS消息包括使用DUT测量的射频性能度量。

7. 发明申请

US20130178203A1 METHODS FOR TESTING WIRELESS ELECTRONIC DEVICES USING SHORT MESSAGE SERVICE 有权
标题翻译：使用短消息服务测试无线电子设备的方法
公开(公告)号：US20130178203A1
公开(公告)日：2013-07-11
申请号：US13345993
申请日：2012-01-09
申请人： Vishwanath Venkataraman
发明人： Vishwanath Venkataraman
IPC分类号： H04W24/00 , H04W4/16
CPC分类号： H04W4/16 , H04W24/06 , H04W88/02
摘要： A device under test (DUT) may be tested using a radio-frequency test station. A test station may include a test host, a test unit coupled to the test host, and a shielded enclosure. The shielded enclosure may contain a test antenna that is coupled to the test unit via a radio-frequency cable. The DUT may be placed in the shielded enclosure during testing. The DUT may not be electrically wired to the test host. The test host may direct the test unit to transmit control signals in the form of a text message using Short Message Service (SMS) so that the DUT is placed into different desired configurations during testing. The DUT may also be configured to respond by sending SMS messages back to the test unit, where the SMS messages generated by the DUT includes radio-frequency performance metrics measured using the DUT.
摘要翻译：被测设备（DUT）可以使用射频测试台进行测试。测试台可以包括测试主机，耦合到测试主机的测试单元和屏蔽外壳。屏蔽外壳可以包含经由射频电缆耦合到测试单元的测试天线。在测试期间，DUT可以放置在屏蔽外壳中。 DUT可能没有电连接到测试主机。测试主机可以指示测试单元使用短消息服务（SMS）以文本消息的形式发送控制信号，使得在测试期间将DUT置于不同的期望配置中。 DUT还可以被配置为通过将SMS消息发送回测试单元进行响应，其中由DUT生成的SMS消息包括使用DUT测量的射频性能度量。

8. 发明申请

US20120231745A1 SIMULTANEOUS SENSITIVITY TESTING FOR MULTIPLE DEVICES IN RADIO-FREQUENCY TEST SYSTEMS 有权
标题翻译：无线电频率测试系统中多个设备的同时灵敏度测试
公开(公告)号：US20120231745A1
公开(公告)日：2012-09-13
申请号：US13044857
申请日：2011-03-10
申请人： Justin Gregg , Adil Syed , Vishwanath Venkataraman
发明人： Justin Gregg , Adil Syed , Vishwanath Venkataraman
IPC分类号： H04B17/00
CPC分类号： H04B17/309 , H04B17/29 , H04B17/318 , H04W52/143
摘要： A test station may include a test host, a signal generator, and a test chamber. Multiple devices under test (DUTs) may be placed in the test chamber during device characterization operations. Radio-frequency signals may be conveyed from the signal generator to the multiple DUTs using a radiated arrangement through an antenna in the test chamber. The signal generator may broadcast downlink test signals. The DUTs may synchronize with the downlink test signals and measure radio-frequency performance levels while receiving the downlink test signals. The test host may direct the signal generator to gradually lower its output power level. The DUTs may be used to determine downlink sensitivity by monitoring the measured radio-frequency performance levels as the output power level of the signal generator is lowered. Downlink sensitivity testing may be performed across any desired radio-frequency bands and channels.
摘要翻译：测试台可以包括测试主机，信号发生器和测试室。在设备表征操作期间，可以将多个被测设备（DUT）放置在测试室中。射频信号可以使用辐射布置通过测试室中的天线从信号发生器传送到多个DUT。信号发生器可以广播下行链路测试信号。 DUT可以与下行链路测试信号同步，并在接收下行链路测试信号的同时测量射频性能水平。测试主机可以指示信号发生器逐渐降低其输出功率电平。当信号发生器的输出功率电平降低时，DUT可以通过监视所测量的射频性能水平来用于确定下行链路灵敏度。可以在任何期望的射频频带和信道上执行下行链路灵敏度测试。

9. 发明授权

US08600311B2 Simultaneous sensitivity testing for multiple devices in radio-frequency test systems 有权
标题翻译：射频测试系统中多个设备的同时灵敏度测试
公开(公告)号：US08600311B2
公开(公告)日：2013-12-03
申请号：US13044857
申请日：2011-03-10
申请人： Justin Gregg , Adil Syed , Vishwanath Venkataraman
发明人： Justin Gregg , Adil Syed , Vishwanath Venkataraman
IPC分类号： H04B17/00
CPC分类号： H04B17/309 , H04B17/29 , H04B17/318 , H04W52/143
摘要： A test station may include a test host, a signal generator, and a test chamber. Multiple devices under test (DUTs) may be placed in the test chamber during device characterization operations. Radio-frequency signals may be conveyed from the signal generator to the multiple DUTs using a radiated arrangement through an antenna in the test chamber. The signal generator may broadcast downlink test signals. The DUTs may synchronize with the downlink test signals and measure radio-frequency performance levels while receiving the downlink test signals. The test host may direct the signal generator to gradually lower its output power level. The DUTs may be used to determine downlink sensitivity by monitoring the measured radio-frequency performance levels as the output power level of the signal generator is lowered. Downlink sensitivity testing may be performed across any desired radio-frequency bands and channels.
摘要翻译：测试台可以包括测试主机，信号发生器和测试室。在设备表征操作期间，可以将多个被测设备（DUT）放置在测试室中。射频信号可以使用辐射布置通过测试室中的天线从信号发生器传送到多个DUT。信号发生器可以广播下行链路测试信号。 DUT可以与下行链路测试信号同步，并在接收下行链路测试信号的同时测量射频性能水平。测试主机可以指示信号发生器逐渐降低其输出功率电平。当信号发生器的输出功率电平降低时，DUT可以通过监视所测量的射频性能水平来用于确定下行链路灵敏度。可以在任何期望的射频频带和信道上执行下行链路灵敏度测试。

10. 发明申请

US20110256838A1 METHODS FOR DETERMINING OPTIMUM POWER SUPPLY VOLTAGES FOR RADIO-FREQUENCY POWER AMPLIFIER CIRCUITRY 有权
标题翻译：用于确定无线电频率放大器电路的最佳电源电压的方法
公开(公告)号：US20110256838A1
公开(公告)日：2011-10-20
申请号：US12761219
申请日：2010-04-15
申请人： David A. Donovan , Justin Gregg , Vishwanath Venkataraman
发明人： David A. Donovan , Justin Gregg , Vishwanath Venkataraman
IPC分类号： H04B1/04 , G01R31/40 , H03G3/20
CPC分类号： H03F3/24 , H03F1/0216 , H03F3/189 , H03F2200/27 , H03F2200/451 , H03F2200/504
摘要： Electronic devices with wireless communications capabilities are provided. The electronic device may include storage and processing circuitry, power amplifier circuitry, power supply circuitry, etc. The storage and processing circuitry may direct the power amplifier circuitry to operate using a desired gain mode, in a particular radio channel, and at a given output power level. The power supply circuitry may bias the power amplifier circuitry with a power supply voltage. The performance of the power amplifier circuitry may be characterized by an adjacent channel leakage ratio (ACLR) margin. The power consumption of the power amplifier circuitry may be characterized by a current savings ratio. A cost function may be calculated by taking the product of the ACLR margin and current savings ratio. A minimum point for each cost function curve may be determined. It is desirable to bias the power amplifier circuitry with a supply voltage corresponding to the minimum point.
摘要翻译：提供具有无线通信功能的电子设备。电子设备可以包括存储和处理电路，功率放大器电路，电源电路等。存储和处理电路可以引导功率放大器电路在特定无线电信道中以及在给定输出处使用期望的增益模式进行操作能量等级。电源电路可以用功率电源电压来偏置功率放大器电路。功率放大器电路的性能可以由相邻的信道泄漏比（ACLR）裕度来表征。功率放大器电路的功耗可以通过电流节省率来表征。可以通过采用ACLR余量和当前节省比率的乘积来计算成本函数。可以确定每个成本函数曲线的最小点。期望用功率放大器电路对与最小点相对应的电源电压进行偏置。

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