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. 发明授权

US08195240B2 Hybrid time-spatial multiplexing for wireless broadcast messages through antenna radiation beam synthesis 有权
标题翻译：通过天线辐射束合成的无线广播消息的混合时空复用
公开(公告)号：US08195240B2
公开(公告)日：2012-06-05
申请号：US12103406
申请日：2008-04-15
申请人： Hang Jin , John Grabner , Li Guo , Qingwen Liu
发明人： Hang Jin , John Grabner , Li Guo , Qingwen Liu
IPC分类号： H04W40/00 , H04J3/00
CPC分类号： H04W16/28 , H04W48/12 , H04W72/048
摘要： A hybrid time-spatial multiplexing technique is provided for beamforming broadcast messages to mobile stations that may be within a coverage region or cell of a base station. The coverage region is divided into a plurality of segments. The mobile stations are assigned to at least one of the segments based on their locations within the coverage region or other criteria. The base station computes beamforming antenna weights which are configured to produce a radiation beam pattern from a plurality of antennas of the base station to respective ones of each of the plurality of segments in the region. A broadcast message is transmitted to each segment of the region in a time-division multiplexed manner using the beamforming antenna weights associated with the radiation beam pattern for the corresponding segment.
摘要翻译：提供混合时空复用技术用于向可能在基站的覆盖区域或小区内的移动台发送波束成形广播消息。覆盖区域被分成多个段。基于其在覆盖区域内的位置或其他标准，移动站被分配给至少一个段。基站计算波束成形天线权重，其被配置为从该基站的多个天线到该区域中的多个段中的每一个的相应的一个的相应的一个波段图形。使用与用于相应段的辐射束图案相关联的波束成形天线权重，以时分复用方式将广播消息发送到该区域的每个段。

2. 发明申请

US20080261658A1 Hybrid Time-Spatial Multiplexing for Wireless Broadcast Messages through Antenna Radiation Beam Synthesis 有权
标题翻译：通过天线辐射束合成的无线广播消息的混合时空复用
公开(公告)号：US20080261658A1
公开(公告)日：2008-10-23
申请号：US12103406
申请日：2008-04-15
申请人： Hang Jin , John Grabner , Li Guo , Qingwen Liu
发明人： Hang Jin , John Grabner , Li Guo , Qingwen Liu
IPC分类号： H04M1/00
CPC分类号： H04W16/28 , H04W48/12 , H04W72/048
摘要： A hybrid time-spatial multiplexing technique is provided for beamforming broadcast messages to mobile stations that may be within a coverage region or cell of a base station. The coverage region is divided into a plurality of plurality of segments. The mobile stations are assigned to at least one of the segments based on their locations within the coverage region or other criteria. The base station computes beamforming antenna weights which are configured to produce a radiation beam pattern from a plurality of antennas of the base station to respective ones of each of the plurality of segments in the region. A broadcast message is transmitted to each segment of the region in a time-division multiplexed manner using the beamforming antenna weights associated with the radiation beam pattern for the corresponding segment.
摘要翻译：提供混合时空复用技术用于向可能在基站的覆盖区域或小区内的移动台发送波束成形广播消息。覆盖区域被分成多个段。基于其在覆盖区域内的位置或其他标准，移动站被分配给至少一个段。基站计算波束成形天线权重，其被配置为从该基站的多个天线到该区域中的多个段中的每一个的相应的一个的相应的一个波段图形。使用与用于相应段的辐射束图案相关联的波束成形天线权重，以时分复用方式将广播消息发送到该区域的每个段。

3. 发明授权

US07706812B2 System and method for detecting locations of a customer premises equipment 有权
标题翻译：用于检测客户驻地设备位置的系统和方法
公开(公告)号：US07706812B2
公开(公告)日：2010-04-27
申请号：US11734670
申请日：2007-04-12
申请人： Qingwen Liu , Hang Jin , Weiguo Xie , John Grabner
发明人： Qingwen Liu , Hang Jin , Weiguo Xie , John Grabner
IPC分类号： H04M3/42 , H04W4/00 , H04W24/00
CPC分类号： H04W64/00 , G01S5/12
摘要： A system and method are provided for detecting locations of a customer premises equipment in a wireless communication system with one or more base transceiver stations and one is efficient. A plurality of antennas in a base transceiver station (BTS) receives signals transmitted from a customer premises equipment (CPE). A timing detection module extracts the timing offset from the receiving signals and a first calculation module calculates the distance between the BTS and the CPE based on the timing offset. A signal detection module detects magnitudes and phases of the receiving signals and a second calculation module determines a dominant beam according to the antenna pattern and calculates the direction of arrival of the dominant beam. A third calculation module calculates the location of the CPE relative to the BTS based on the distance and the direction of arrival.
摘要翻译：提供了一种系统和方法，用于检测具有一个或多个基站的无线通信系统中的客户驻地设备的位置，并且一个是有效的。基站收发台（BTS）中的多个天线接收从客户驻地设备（CPE）发送的信号。定时检测模块从接收信号中提取定时偏移，第一计算模块基于定时偏移来计算BTS与CPE之间的距离。信号检测模块检测接收信号的幅度和相位，第二计算模块根据天线方向确定主波束，并计算主波束的到达方向。第三计算模块基于距离和到达方向来计算CPE相对于BTS的位置。

4. 发明授权

US07496386B2 Rechargeable battery facilitated customer-premises equipment 有权
标题翻译：可充电电池方便客户端设备
公开(公告)号：US07496386B2
公开(公告)日：2009-02-24
申请号：US11703371
申请日：2007-02-07
申请人： Qingwen Liu , John Grabner , Hang Jin
发明人： Qingwen Liu , John Grabner , Hang Jin
IPC分类号： H04B1/38
CPC分类号： H04W52/0296 , H02J7/34 , H04M19/08 , H04W52/146 , H04W52/36 , H04W52/52 , H04W88/02 , H04W92/10 , Y02D70/142 , Y02D70/144
摘要： A Customer-Premises Equipment (CPE) device includes a power supply for generating a first power at a first voltage level; a rechargeable battery for generating a second power at a second voltage level; and a power amplifier coupled to the power supply and the rechargeable battery for receiving the first power and the second power to output a third power at a third voltage level higher than either the first voltage level or the second voltage level, wherein the third power is utilized to transmit signals from the CPE device to a BTS.
摘要翻译：客户驻地设备（CPE）设备包括用于在第一电压电平产生第一电力的电源; 用于在第二电压电平产生第二功率的可再充电电池; 以及耦合到所述电源和所述可再充电电池的功率放大器，用于接收所述第一功率和所述第二功率以在高于所述第一电压电平或所述第二电压电平的第三电压电平输出第三功率，其中所述第三功率为用于将信号从CPE设备发送到BTS。

5. 发明申请

US20080096601A1 Rechargeable battery facilitated customer-premises equipment 有权
标题翻译：可充电电池方便客户端设备
公开(公告)号：US20080096601A1
公开(公告)日：2008-04-24
申请号：US11703371
申请日：2007-02-07
申请人： Qingwen Liu , John Grabner , Hang Jin
发明人： Qingwen Liu , John Grabner , Hang Jin
IPC分类号： H04Q7/20
CPC分类号： H04W52/0296 , H02J7/34 , H04M19/08 , H04W52/146 , H04W52/36 , H04W52/52 , H04W88/02 , H04W92/10 , Y02D70/142 , Y02D70/144
摘要： A Customer-Premises Equipment (CPE) device includes a power supply for generating a first power at a first voltage level; a rechargeable battery for generating a second power at a second voltage level; and a power amplifier coupled to the power supply and the rechargeable battery for receiving the first power and the second power to output a third power at a third voltage level higher than either the first voltage level or the second voltage level, wherein the third power is utilized to transmit signals from the CPE device to a BTS.
摘要翻译：客户驻地设备（CPE）设备包括用于在第一电压电平产生第一电力的电源; 用于在第二电压电平产生第二功率的可再充电电池; 以及耦合到所述电源和所述可再充电电池的功率放大器，用于接收所述第一功率和所述第二功率以在高于所述第一电压电平或所述第二电压电平的第三电压电平输出第三功率，其中所述第三功率为用于将信号从CPE设备发送到BTS。

6. 发明申请

US20080020785A1 System and Method for Detecting Locations of a Customer Premises Equipment 有权
标题翻译：用于检测客户驻地设备位置的系统和方法
公开(公告)号：US20080020785A1
公开(公告)日：2008-01-24
申请号：US11734670
申请日：2007-04-12
申请人： Qingwen Liu , Hang Jin , Weiguo Xie , John Grabner
发明人： Qingwen Liu , Hang Jin , Weiguo Xie , John Grabner
IPC分类号： H04Q7/20
CPC分类号： H04W64/00 , G01S5/12
摘要： The present invention discloses a system for detecting locations of a customer premises equipment in a wireless communication system with one or more base transceiver stations and one is efficient. A plurality of antennas in a base transceiver station receives signals transmitted from a customer premises equipment. A timing detection module extracts the timing offset from the receiving signals and a first calculation module calculates the distance between the BTS and the CPE based on the timing offset. A signal detection module detects magnitudes and phases of the receiving signals and a second calculation module determines a dominant beam according to the antenna pattern and calculates the direction of arrival of the dominant beam. A third calculation module calculates the location of the CPE relative to the base transceiver station based on the distance and the direction of arrival.
摘要翻译：本发明公开了一种用于在具有一个或多个基站收发台的无线通信系统中检测客户驻地设备的位置的系统，并且一个是高效的。基站收发台中的多个天线接收从客户驻地设备发送的信号。定时检测模块从接收信号中提取定时偏移，第一计算模块基于定时偏移来计算BTS与CPE之间的距离。信号检测模块检测接收信号的幅度和相位，第二计算模块根据天线方向确定主波束，并计算主波束的到达方向。第三计算模块基于距离和到达方向来计算CPE相对于基站的位置。

7. 发明授权

US08073489B2 Method for dynamic uplink sounding region allocation 有权
标题翻译：动态上行探测区域分配方法
公开(公告)号：US08073489B2
公开(公告)日：2011-12-06
申请号：US11936774
申请日：2007-11-07
申请人： Qingwen Liu , Genyuan Wang , Hang Jin
发明人： Qingwen Liu , Genyuan Wang , Hang Jin
IPC分类号： H04B1/38
CPC分类号： H04W72/0406 , H04B17/24 , H04W72/085
摘要： The present invention discloses a method for allocating an uplink sounding region dynamically to obtain downlink channel quality information (CQI) about a downlink channel. The method comprises receiving a downlink transmission request and retrieving an identification information from the downlink transmission request, searching one or more databases using the retrieved identification information as a key, identifying the CQI about the downlink channel from the one or more databases, wherein the uplink sounding region needs not to be allocated when the CQI corresponding to the downlink transmission request is identified in the databases.
摘要翻译：本发明公开了一种用于动态分配上行探测区域以获得关于下行链路信道的下行链路信道质量信息（CQI）的方法。该方法包括从下行链路传输请求接收下行链路传输请求和检索识别信息，使用所检索的识别信息作为密钥搜索一个或多个数据库，从一个或多个数据库中识别关于下行链路信道的CQI，其中上行链路当在数据库中识别出与下行链路传输请求相对应的CQI时，不需要分配探测区域。

8. 发明授权

US08068445B2 Scheduling uplink sounding signals 有权
标题翻译：调度上行探测信号
公开(公告)号：US08068445B2
公开(公告)日：2011-11-29
申请号：US11934055
申请日：2007-11-01
申请人： Qingwen Liu , Genyuan Wang , Hang Jin
发明人： Qingwen Liu , Genyuan Wang , Hang Jin
IPC分类号： H04W4/00 , H04W72/00 , H04J3/00 , H04B7/26
CPC分类号： H04B7/0617 , H04L5/023 , H04W72/1289
摘要： A method and apparatus are provided for scheduling a transmission of uplink sounding signals for a mobile station (MS). The method comprises receiving a request to send the MS downlink signals associated with a service flow at a first frame, searching a scheduling database for pending uplink bandwidth requests from the MS, scheduling uplink transmission slots for the MS to transmit uplink signals in a second frame without scheduling a sounding signal when a uplink bandwidth request associated with the MS is present in the scheduling database, computing beamforming weighting vectors for the MS using the uplink signals, and transmitting the downlink signals using the beamforming weighting vectors at a third frame subsequent the first frame.
摘要翻译：提供了一种用于调度用于移动台（MS）的上行链路探测信号的传输的方法和装置。该方法包括：在第一帧处接收发送与服务流相关联的MS下行链路信号的请求，在调度数据库中搜索来自MS的未决上行链路带宽请求，调度MS的上行链路传输时隙以在第二帧中发送上行链路信号当在调度数据库中存在与MS相关联的上行链路带宽请求时调度探测信号，使用上行链路信号计算用于MS的波束成形加权向量，并且在第一帧之后的第三帧使用波束成形加权向量发送下行链路信号帧。

9. 发明申请

US20080139248A1 Method for Dynamic Uplink Sounding Region Allocation 有权
标题翻译：动态上行链路探测区域分配方法
公开(公告)号：US20080139248A1
公开(公告)日：2008-06-12
申请号：US11936774
申请日：2007-11-07
申请人： Qingwen Liu , Genyuan Wang , Hang Jin
发明人： Qingwen Liu , Genyuan Wang , Hang Jin
IPC分类号： H04B1/38
CPC分类号： H04W72/0406 , H04B17/24 , H04W72/085
摘要： The present invention discloses a method for allocating an uplink sounding region dynamically to obtain downlink channel quality information (CQI) about a downlink channel. The method comprises receiving a downlink transmission request and retrieving an identification information from the downlink transmission request, searching one or more databases using the retrieved identification information as a key, identifying the CQI about the downlink channel from the one or more databases, wherein the uplink sounding region needs not to be allocated when the CQI corresponding to the downlink transmission request is identified in the databases.
摘要翻译：本发明公开了一种用于动态分配上行探测区域以获得关于下行链路信道的下行链路信道质量信息（CQI）的方法。该方法包括从下行链路传输请求接收下行链路传输请求和检索识别信息，使用所检索的识别信息作为密钥搜索一个或多个数据库，从一个或多个数据库中识别关于下行链路信道的CQI，其中上行链路当在数据库中识别出与下行链路传输请求相对应的CQI时，不需要分配探测区域。

10. 发明授权

US08130875B2 Method for estimating channel response in a wireless communications network based on pilot signals 有权
标题翻译：基于导频信号估计无线通信网络中信道响应的方法
公开(公告)号：US08130875B2
公开(公告)日：2012-03-06
申请号：US11929983
申请日：2007-10-30
申请人： Qingwen Liu , Genyuan Wang , Hang Jin
发明人： Qingwen Liu , Genyuan Wang , Hang Jin
IPC分类号： H04L27/06
CPC分类号： H04L25/0232 , H04L27/2647
摘要： The present invention discloses a method for estimating a channel response of data subcarriers in a wireless communications network. The method comprises estimating a first plurality of channel responses of pilot subcarriers carrying pilot signals at the time instance using pilot signals, generating a pseudo time instance for pilot subcarriers according to a predetermined rule, approximating a second plurality of channel responses at the pseudo time instance using the first plurality of channel responses, computing a rate of change in the channel response using the first and second plurality of channel responses, calculating a third plurality of channel responses of pilot subcarriers carrying data at the time instance using the first plurality of channel responses and the rate of change in the channel response, estimating the channel response of the data subcarriers from the first and third plurality of channel responses using a predetermined conventional two-dimensional channel estimation algorithm.
摘要翻译：本发明公开了一种用于估计无线通信网络中的数据子载波的信道响应的方法。该方法包括：在使用导频信号的情况下估计携带导频信号的导频子载波的第一多个信道响应，根据预定规则生成用于导频子载波的伪时间实例，在伪时间实例近似第二多个信道响应使用所述第一多个信道响应，使用所述第一和第二多个信道响应来计算所述信道响应的变化率，计算使用所述第一多个信道响应在所述时间实例中携带数据的导频子载波的第三多个信道响应以及信道响应的变化率，使用预定的常规二维信道估计算法估计来自第一和第三多个信道响应的数据子载波的信道响应。

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