专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20120134400A1 Testing Device and Method for a Multiple-Input Multiple-Output Wireless Terminal 审中-公开
标题翻译：多输入多输出无线终端的测试设备和方法
公开(公告)号：US20120134400A1
公开(公告)日：2012-05-31
申请号：US13258038
申请日：2009-12-14
申请人： Tiantian Ding , Yang Guo , Zhong Yu , Zhou Zhi
发明人： Tiantian Ding , Yang Guo , Zhong Yu , Zhou Zhi
IPC分类号： H04W24/08
CPC分类号： H04B17/0085 , H04B17/21 , H04B17/309
摘要： An apparatus and method for testing a multi-in multi-out (MIMO) wireless terminal are provided. In the apparatus, a MIMO transmission mode selecting unit includes: a mode selecting module, which is configured to select a MIMO downlink transmission mode currently requiring testing and trigger a corresponding MIMO downlink transmission module during the real-world over-the-air (OTA) test for the MIMO wireless terminal; and the downlink transmission module, which is configured to output downlink test signals which conform to the feature of the selected MIMO downlink transmission mode according to the triggering of the mode selecting module. The method includes: during the OTA test for the MEMO wireless terminal, selecting a MIMO downlink transmission mode currently requiring testing from multiple configured MIMO downlink transmission modes, and outputting downlink test signals that conform to the feature of the selected MIMO downlink transmission mode.
摘要翻译：提供了一种用于测试多输入多输出（MIMO）无线终端的装置和方法。在该装置中，MIMO传输模式选择单元包括：模式选择模块，被配置为选择当前需要测试的MIMO下行链路传输模式，并在真实世界空中（OTA）期间触发相应的MIMO下行链路传输模块）测试MIMO无线终端; 以及所述下行链路发送模块，其被配置为根据所述模式选择模块的触发来输出符合所选择的MIMO下行链路传输模式的特征的下行链路测试信号。该方法包括：在MEMO无线终端的OTA测试期间，选择当前需要从多个配置的MIMO下行链路传输模式进行测试的MIMO下行链路传输模式，并输出符合所选MIMO下行链路传输模式的特征的下行链路测试信号。

2. 发明申请

US20120275506A1 Method and Apparatus for Testing Total Isotropic Sensitivity in Multi-Antenna MIMO System 审中-公开
标题翻译：用于测试多天线MIMO系统中各向同性灵敏度的方法和装置
公开(公告)号：US20120275506A1
公开(公告)日：2012-11-01
申请号：US13517976
申请日：2010-09-25
申请人： Tiantian Ding , Yang Guo
发明人： Tiantian Ding , Yang Guo
IPC分类号： H04B17/00
CPC分类号： H04W24/06 , H04B7/0669 , H04B7/10 , H04B17/29 , H04B17/318 , H04B17/3911 , H04W88/02
摘要： The present invention discloses a method and an apparatus for testing (TIS) in a multi-antenna (MIMO) system. The apparatus includes a base station simulator, a multipath fading channel simulator and a darkroom including a measuring antenna and a device under test placed in the darkroom. During the testing, the base station simulator generates transmitting signals of multiple transmitting antennas, and the transmitting signals have characteristic of orthogonal polarization and adopt STBC or SFBC; the multipath fading channel simulator adds corresponding channel parameters and noise interference parameters to the transmitting signals, and transmits the transmitting signals which have been decayed to the measuring antenna in the darkroom to send the transmitting signals which have been decayed to the device under test; the device under test performs multi-antenna receiving on the transmitting signals, performs MRC on received signals, and acquires the (TIS) according to the received signals which have been combined.
摘要翻译：本发明公开了一种在多天线（MIMO）系统中测试（TIS）的方法和装置。该装置包括基站模拟器，多径衰落信道模拟器和包括被测放置在暗室中的测量天线和被测器件的暗室。在测试中，基站模拟器产生多个发射天线的发射信号，发射信号具有正交极化的特征，采用STBC或SFBC; 多径衰落信道模拟器将相应的信道参数和噪声干扰参数添加到发射信号，并将衰减的发射信号发射到暗室中的测量天线，将已经衰减的发射信号发送到被测设备; 被测设备对发送信号进行多天线接收，对接收到的信号进行MRC，并根据已经组合的接收信号获取（TIS）。

3. 发明申请

US20120282863A1 ANTENNA TESTING SYSTEM AND ANTENNA TESTING METHOD 审中-公开
标题翻译：天线测试系统和天线测试方法
公开(公告)号：US20120282863A1
公开(公告)日：2012-11-08
申请号：US13517354
申请日：2010-03-22
申请人： Yang Guo , Zhong Yu
发明人： Yang Guo , Zhong Yu
IPC分类号： H04B17/00
CPC分类号： H04B17/0082 , H04B7/04 , H04B17/391
摘要： This disclosure claims antenna testing system, including a signal transmission simulator, a channel emulator and an anechoic chamber; more than two antennae are set in the anechoic chamber; each antenna is connected with the signal transmission simulator through the channel emulator; the more than two antennae are located on the sphere which center is the position of the device under test. This disclosure claims an antenna testing method, comprising: more than one channel model for test is set in the signal transmission simulator; a channel model is selected from the more than one channel model; wireless signals are transmitted according to the selected channel model; after emulation processed by channel emulator, emulated wireless signals are transmitted through the antennae in anechoic chamber; DUT set in the anechoic chamber receives and then processes the signals transmitted from each antenna, and outputs the processing results.
摘要翻译：本公开要求天线测试系统，包括信号传输模拟器，信道仿真器和消声室; 在消声室中设置两个以上的天线; 每个天线通过信道仿真器与信号传输模拟器连接; 两个以上的天线位于球体上，其中心是被测设备的位置。本公开要求一种天线测试方法，包括：在信号传输模拟器中设置多于一个用于测试的信道模型; 从多个通道模型中选择一个通道模型; 无线信号根据所选择的信道模型进行传输; 在通道仿真器进行仿真处理后，仿真无线信号通过电波暗室内的天线传输; 设置在消声室中的DUT接收并处理从每个天线发送的信号，并输出处理结果。

4. 发明授权

US08805290B2 Method and system for spatial radio-frequency performance testing based on multiple-antenna system 有权
标题翻译：基于多天线系统的空间射频性能测试方法与系统
公开(公告)号：US08805290B2
公开(公告)日：2014-08-12
申请号：US13578206
申请日：2010-06-12
申请人： Yang Guo , Xinyu Zheng , Zhong Yu
发明人： Yang Guo , Xinyu Zheng , Zhong Yu
IPC分类号： H04B17/00
CPC分类号： H04B17/0087 , H04B17/12 , H04B17/29
摘要： A method and system for over the air performance testing based on a multi-antenna system are disclosed. The method comprises: a branch device mapping path signals from a channel emulator to test antennas according to the set number of the combined sub-paths and sub-path mapping rule; the test antennas transmitting spatial signals according to the path signals from the branch device; and a device under test receiving the spatial signals; and an over the air performance analysis and display module analyzing and displaying the over the air performance of the device under test based on the spatial signals received by the device under test. The present invention implements the test of the over the air performance of a multi-antenna terminal.
摘要翻译：公开了一种基于多天线系统进行空中性能测试的方法和系统。该方法包括：根据组合子路径和子路径映射规则的设定数量，将信道仿真器的路径信号映射到测试天线的分支设备; 测试天线根据来自分支设备的路径信号发送空间信号; 以及接收空间信号的被测设备; 并且空中演示分析和显示模块基于被测设备接收到的空间信号来分析和显示被测设备的空中性能。本发明实现了多天线终端的空中性能测试。

5. 发明申请

US20120309323A1 METHOD AND SYSTEM FOR SPATIAL RADIO-FREQUENCY PERFORMANCE TESTING BASED ON MULTIPLE-ANTENNA SYSTEM 有权
标题翻译：基于多天线系统的空间无线电频率性能测试方法与系统
公开(公告)号：US20120309323A1
公开(公告)日：2012-12-06
申请号：US13578206
申请日：2010-06-12
申请人： Yang Guo , Xinyu Zheng , Zhong Yu
发明人： Yang Guo , Xinyu Zheng , Zhong Yu
IPC分类号： H04B17/00
CPC分类号： H04B17/0087 , H04B17/12 , H04B17/29
摘要： A method and system for over the air performance testing based on a multi-antenna system are disclosed. The method comprises: a branch device mapping path signals from a channel emulator to test antennas according to the set number of the combined sub-paths and sub-path mapping rule; the test antennas transmitting spatial signals according to the path signals from the branch device; and a device under test receiving the spatial signals; and an over the air performance analysis and display module analyzing and displaying the over the air performance of the device under test based on the spatial signals received by the device under test. The present invention implements the test of the over the air performance of a multi-antenna terminal.
摘要翻译：公开了一种基于多天线系统进行空中性能测试的方法和系统。该方法包括：根据组合子路径和子路径映射规则的设定数量，将信道仿真器的路径信号映射到测试天线的分支设备; 测试天线根据来自分支设备的路径信号发送空间信号; 以及接收空间信号的被测设备; 并且空中演示分析和显示模块基于被测设备接收到的空间信号来分析和显示被测设备的空中性能。本发明实现了多天线终端的空中性能测试。

6. 发明申请

US20130027256A1 METHOD AND SYSTEM FOR TESTING OVER-THE-AIR (OTA) PERFORMANCE IN MULTI-ANTENNA SYSTEM 审中-公开
标题翻译：用于测试多天线系统（OTA）性能的方法和系统
公开(公告)号：US20130027256A1
公开(公告)日：2013-01-31
申请号：US13576370
申请日：2010-06-22
申请人： Yang Guo , Xinyu Zheng , Zhong Yu
发明人： Yang Guo , Xinyu Zheng , Zhong Yu
IPC分类号： G01R29/08
CPC分类号： H04L43/50 , H04L41/0823 , H04L41/145 , H04W24/06
摘要： The present invention discloses a method and system for testing OTA performance in a multi-antenna system. Multiple antennas are set in an anechoic chamber; a BS simulator is controlled to transmit benchmark test signal to DUT through a channel emulator and antennas; when determining the benchmark test signal does not meet set requirement, the benchmark test signal is adjusted until set requirement is met; corresponding test cases are determined according to different channel models; according to channel models, the channel emulator performs channel simulation processing on test signal output from the BS simulator and sends the test signal to DUT through antennas; after DUT receives the test signal, each OTA performance is tested according to OTA performance test items corresponding to test cases; and DUT is judged to reach the standard when all OTA performances reach the standard. The present invention is easy to implement and has a low cost.
摘要翻译：本发明公开了一种用于在多天线系统中测试OTA性能的方法和系统。多个天线设置在消声室中; 控制BS模拟器通过信道仿真器和天线将基准测试信号传输到DUT; 当确定基准测试信号不满足设定要求时，对基准测试信号进行调整，直到满足设定要求为止。相应的测试用例根据不同的通道模型确定; 根据信道模型，信道仿真器对来自BS模拟器的测试信号输出进行信道仿真处理，并通过天线将测试信号发送到DUT; DUT接收到测试信号后，每个OTA性能根据测试用例对应的OTA性能测试项目进行测试; 当所有OTA性能达到标准时，DUT被判定达到标准。本发明易于实现，成本低。

7. 发明授权

US09729603B2 Content stream delivery using variable cache replacement granularity 有权
公开(公告)号：US09729603B2
公开(公告)日：2017-08-08
申请号：US13628563
申请日：2012-09-27
申请人： Andre Beck , Jairo O. Esteban , Steven A. Benno , Volker F. Hilt , Ivica Rimac , Yang Guo
发明人： Andre Beck , Jairo O. Esteban , Steven A. Benno , Volker F. Hilt , Ivica Rimac , Yang Guo
IPC分类号： G06F15/16 , H04L29/08 , H04N21/845 , H04L29/06
CPC分类号： H04L67/02 , H04L67/2842 , H04L67/42 , H04N21/8456
摘要： A method comprises associating at least one cache replacement granularity value with a given one of a plurality of content streams comprising a number of segments, receiving a request for a given segment of the given content stream in a network element, identifying a given portion of the given content stream which contains the given segment, updating a value corresponding to the given portion of the given content stream, and determining whether to store the given portion of the given content stream in a memory of the network element based at least in part on the updated value corresponding to the given portion. The at least one cache replacement granularity value represents a given number of segments, the given content stream being separable into one or more portions based at least in part on the at least one cache replacement granularity value.

8. 发明授权

US09042485B2 Method and device for retransmitting data under antenna gain imbalance 有权
标题翻译：用于在天线增益不平衡下重传数据的方法和装置
公开(公告)号：US09042485B2
公开(公告)日：2015-05-26
申请号：US14368493
申请日：2012-03-16
申请人： Yang Guo
发明人： Yang Guo
IPC分类号： H04L27/00 , H04L1/18 , H04L1/06 , H04L1/00 , H04L27/26
CPC分类号： H04L1/1896 , H04L1/0041 , H04L1/06 , H04L1/1819 , H04L1/1822 , H04L1/1825 , H04L1/1867 , H04L1/1893 , H04L27/2626
摘要： The disclosure provides a method and device for retransmitting data under antenna gain imbalance, and the method includes: determining that gains of multiple antennas at a transmission terminal are imbalanced; using a better spatial sub-channel in the multiple antennas to retransmit data when streams transmitted by the multiple antennas adopt a same Modulation and Coding Scheme; and using a better spatial sub-channel in the multiple antennas to retransmit data and/or using a single-stream approach to retransmit data when the streams transmitted by the multiple antennas adopt different Modulation and Coding Schemes. The disclosure selects a corresponding retransmission approach according to the condition of a spatial sub-channel on which streams have an error, thus improving and ensuring success rate for retransmitting a stream.
摘要翻译：本发明提供了一种用于在天线增益不平衡下重传数据的方法和装置，并且该方法包括：确定传输终端处的多个天线的增益是不平衡的; 当由多个天线发送的流采用相同的调制和编码方案时，在多个天线中使用更好的空间子信道来重传数据; 并且当由多个天线发送的流采用不同的调制和编码方案时，在多个天线中使用更好的空间子信道来重发数据和/或使用单流方法重传数据。本公开根据流具有错误的空间子信道的条件选择相应的重传方法，从而提高并确保重传流的成功率。

9. 发明授权

US09027046B2 Method and apparatus for peer-to-peer streaming of layered content 有权
标题翻译：用于分层内容的对等流的方法和装置
公开(公告)号：US09027046B2
公开(公告)日：2015-05-05
申请号：US13381508
申请日：2009-06-30
申请人： Yang Guo , Hao Hu , Yong Liu
发明人： Yang Guo , Hao Hu , Yong Liu
IPC分类号： H04H60/32 , H04N7/173 , G06F15/16 , H04L29/08 , H04N21/2343 , H04N21/4788 , H04N21/63
CPC分类号： H04L67/104 , H04L67/1002 , H04L67/1008 , H04L67/1029 , H04L67/1061 , H04L67/1078 , H04L67/32 , H04N21/234327 , H04N21/4788 , H04N21/632
摘要： A method and apparatus are described including receiving buffer maps of neighbor peers, measuring serving rates from the neighbor peers, measuring serving rates to the neighbor peers, requesting a unit of data from one of the neighbor peers responsive to information in the buffer maps of the neighbor peers at a rate responsive to the serving rate from the one of the neighbor peers, receiving incoming requests for units of data, sorting the incoming requests into a plurality of queues, selecting one of the incoming requests to serve responsive to the serving rates to the neighbor peers corresponding to the incoming request, updating the queues and selecting a new neighbor peer.
摘要翻译：描述了一种方法和装置，包括接收相邻对等体的缓冲器映射，测量来自邻居对等体的服务速率，向相邻对等体测量服务速率，响应于来自相邻对等体的缓冲器映射中的信息请求来自邻居对等体之一的数据单元相邻对等体以响应于来自所述邻居对等体中的一个的服务速率的速率，接收到数据单元的传入请求，将所述传入请求排序成多个队列，选择所述传入请求之一以响应于所述服务速率而服务对应于进入请求的邻居对等体，更新队列并选择新的邻居对等体。

10. 发明授权

US08447875B2 Unified cache and peer-to-peer method and apparatus for streaming media in wireless mesh networks 有权
标题翻译：用于无线网状网络中的流媒体的统一缓存和对等方法和装置
公开(公告)号：US08447875B2
公开(公告)日：2013-05-21
申请号：US12721257
申请日：2010-03-10
申请人： Hang Liu , Yang Guo
发明人： Hang Liu , Yang Guo
IPC分类号： G06F15/16
CPC分类号： H04W40/12 , H04L43/0829 , H04L43/0852 , H04L45/125 , H04L47/726 , H04L47/781 , H04L47/801 , H04L47/805 , H04L47/806 , H04L47/822 , H04L47/824 , H04L65/80 , H04L67/104 , H04W40/16
摘要： A method and apparatus are described including receiving a route request message to establish a streaming route, determining a cost of a reverse route and traffic load introduced by the requested streaming route, discarding the route request message if one of wireless interference constraints for the requested streaming route cannot be satisfied and quality of service requirements for the requested streaming route cannot be satisfied, pre-admitting the route request message if wireless interference constraints for the requested streaming route can be satisfied and if quality of service requirements for the requested streaming route can be satisfied, adding a routing table entry responsive to the pre-admission, admitting the requested streaming route, updating the routing table and transmitting a route reply message to an originator if requested content is cached, updating the route request message and forwarding the updated route request message if the requested content is not cached, receiving a route reply message and deleting the pre-admitted routing table entry if a time has expired.
摘要翻译：描述了一种方法和装置，包括接收路由请求消息以建立流传输路由，确定反向路由的成本和由所请求的流传输路由引入的业务负载，如果所请求的流的无线干扰约束之一丢弃路由请求消息路由不能满足，请求的流式传输路由的服务质量要求不能满足，如果可以满足所请求的流式传输路由的无线干扰约束，并且所请求的流传输路由的服务质量要求可以是满足，响应于预接纳添加路由表条目，接受所请求的流式传输，更新路由表，并且如果请求的内容被缓存，则向始发者发送路由回复消息，更新路由请求消息并转发更新的路由请求消息，如果请求的内容没有缓存，接收到路由应答消息，并且如果时间已经过去，则删除预接纳的路由表条目。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式