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1. 发明授权

US08861569B2 Reduced complexity channel estimation for uplink receiver 有权
标题翻译：减少上行链路接收机的复杂度信道估计
公开(公告)号：US08861569B2
公开(公告)日：2014-10-14
申请号：US13620736
申请日：2012-09-15
申请人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
发明人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
IPC分类号： H04L25/02
CPC分类号： H04L25/0256 , H04L25/0204 , H04L25/022 , H04L25/0232
摘要： The present invention proposes an LTE eNodeB receiver channel estimation technique that is referred to as reduced complexity minimum mean squared error (MMSE) technique for channel estimation. From the invention's assumptions, estimations and modified calculations, the present invention generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates HLS is as follows: (Formula I) which generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates. As a second aspect of the present invention, it is desired that the SNR be estimated within −3 dB of the actual channel SNR. As a third aspect of the invention, an adaptive method of data channel interpolation from RS channel is being proposed in this invention.
摘要翻译：本发明提出了LTE eNodeB接收机信道估计技术，其被称为降低复杂度的最小均方误差（MMSE）技术用于信道估计。根据本发明的假设，估计和修改的计算，本发明使用降低的复杂度MMSE矩阵生成RS的精确信道估计，并且先前计算的LS信道估计HLS如下：（式I），其使用缩减的复杂MMSE矩阵和先前计算的LS信道估计。作为本发明的第二方面，期望将SNR估计在实际信道SNR的-3dB内。作为本发明的第三方面，在本发明中提出了一种来自RS信道的数据信道插值的自适应方法。

2. 发明授权

US08848764B2 Reduced complexity channel estimation for uplink receiver 有权
公开(公告)号：US08848764B2
公开(公告)日：2014-09-30
申请号：US13129003
申请日：2009-11-13
申请人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
发明人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
IPC分类号： H04B15/00 , H04L25/02
CPC分类号： H04L25/0256 , H04L25/0204 , H04L25/022 , H04L25/0232
摘要： The present invention proposes an LTE eNodeB receiver channel estimation technique that is referred to as reduced complexity minimum mean squared error (MMSE) technique for channel estimation. From the invention's assumptions, estimations and modified calculations, the present invention generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates HLS is as follows: (Formula I) which generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates. As a second aspect of the present invention, it is desired that the SNR be estimated within −3 dB of the actual channel SNR. As a third aspect of the invention, an adaptive method of data channel interpolation from RS channel is being proposed in this invention.

3. 发明申请

US20110286499A1 Reduced Complexity Channel Estimation for Uplink Receiver 有权
标题翻译：降低上行链路接收机的复杂度信道估计
公开(公告)号：US20110286499A1
公开(公告)日：2011-11-24
申请号：US13129003
申请日：2009-11-13
申请人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
发明人： John P. Panicker , Gary Boudreau , Michael Petras , Ed Illidge
IPC分类号： H04B15/00 , H04B1/707 , H04L27/28 , H04L5/12
CPC分类号： H04L25/0256 , H04L25/0204 , H04L25/022 , H04L25/0232
摘要： The present invention proposes an LTE eNodeB receiver channel estimation technique that is referred to as reduced complexity minimum mean squared error (MMSE) technique for channel estimation. From the invention's assumptions, estimations and modified calculations, the present invention generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates HLS is as follows: (Formula I) which generates precise channel estimates of RS using the reduced complexity MMSE matrix and previously computed LS channel estimates. As a second aspect of the present invention, it is desired that the SNR be estimated within −3 dB of the actual channel SNR. As a third aspect of the invention, an adaptive method of data channel interpolation from RS channel is being proposed in this invention.
摘要翻译：本发明提出了LTE eNodeB接收机信道估计技术，其被称为降低复杂度的最小均方误差（MMSE）技术用于信道估计。根据本发明的假设，估计和修改的计算，本发明使用降低的复杂度MMSE矩阵生成RS的精确信道估计，并且先前计算的LS信道估计HLS如下：（式I），其使用缩减的复杂MMSE矩阵和先前计算的LS信道估计。作为本发明的第二方面，期望将SNR估计在实际信道SNR的-3dB内。作为本发明的第三方面，在本发明中提出了一种来自RS信道的数据信道插值的自适应方法。

4. 发明授权

US10742464B2 Method and system for multi-protocol transmissions 有权
公开(公告)号：US10742464B2
公开(公告)日：2020-08-11
申请号：US16318572
申请日：2016-07-22
申请人： Gary Boudreau , Hassan Halabian , Roland Smith
发明人： Gary Boudreau , Hassan Halabian , Roland Smith
IPC分类号： H04L27/26 , H04L5/00 , H04W16/14
摘要： Methods and systems for multi-protocol transmissions in shared spectrum are disclosed where an OFDM transmitter is configured to generate transmissions associated with one OFDM technology or protocol using subcarriers of another OFDM technology. Generally, multi-protocol transmissions as described herein may be performed sequentially (e.g. in a time division multiplexing fashion) or concurrently (e.g. during the same or an overlapping time interval). For concurrent transmissions, an OFDM transmitter may be configured to map or assign the different OFDM signals to different subsets of the available OFDM subcarriers such that the data contained therein can be transmitted at the same or during an overlapping time interval. In one application, an LTE transmitter is configured to use different subsets of the LTE subcarriers for concurrent LTE and 802.11 transmissions that can respectively be decoded by LTE and 802.11 receivers.

5. 发明授权

US08804561B2 Physical cell identifier (PCI) adaptation to mitigate interference in heterogeneous cellular network 有权
标题翻译：物理小区标识符（PCI）适应以减轻异构蜂窝网络中的干扰
公开(公告)号：US08804561B2
公开(公告)日：2014-08-12
申请号：US13501172
申请日：2011-12-08
申请人： Muhammad Kazmi , Gary Boudreau , Iana Siomina
发明人： Muhammad Kazmi , Gary Boudreau , Iana Siomina
IPC分类号： H04W88/00
CPC分类号： H04W8/26 , H04L1/00 , H04W24/10 , H04W84/045
摘要： A first radio network node (HBS1) adapts its physical cell identifier (PCI1) based on a comparison of its PCI1 to a second PCI (PCI2) used by a neighboring interfering second radio network node (e.g., another HBS2 or a macro node). The first radio network node HBS1 determines the second PCI based on one or more radio measurements performed on a cell 402 and/or on a UE 404 served by the second node. The adaptation of the cell identifier PCI1 is used for one or more radio network management tasks, e.g., resource management such as interference mitigation in a heterogeneous network, radio network planning, etc.
摘要翻译：第一无线电网络节点（HBS1）基于其PCI1与由相邻干扰的第二无线电网络节点（例如另一HBS2或宏节点）使用的第二PCI（PCI2）的比较来适配其物理小区标识符（PCI1）。第一无线电网络节点HBS1基于在小区402和/或由第二节点服务的UE 404上执行的一个或多个无线电测量来确定第二PCI。小区标识符PCI1的适配用于一个或多个无线电网络管理任务，例如资源管理，例如异构网络中的干扰减轻，无线电网络规划等。

6. 发明授权

US10862723B2 Multi-OFDM-protocol beacon operation 有权
公开(公告)号：US10862723B2
公开(公告)日：2020-12-08
申请号：US16318625
申请日：2016-08-30
申请人： Gary Boudreau , Hassan Halabian , Roland Smith
发明人： Gary Boudreau , Hassan Halabian , Roland Smith
IPC分类号： H04L27/26 , H04L5/00 , H04L27/00 , H04W16/14
摘要： Methods and systems for multi-protocol beacon operation in shared spectrum (unlicensed band) are disclosed where an OFDM transmitter is configured to generate transmissions associated with one OFDM technology or protocol using subcarriers of another OFDM technology. In one application, an LTE transmitter (LTE-U) uses LTE subcarriers to generate an interpolated 802.11 (e.g. Wi-Fi) beacon transmission that can be understood by Wi-Fi receivers, for example to reserve the channel for a subsequent LTE transmission. For instance a W-LAN preamble is generated where STF and LTF fields consist in respectively 12 and 52 subcarriers mapped at their respective frequency locations among the 2048 LTE subcarriers with the remaining subcarriers set to 0. In some implementations, the use of beacons can be useful in implementations where it is desirable to gain prioritized access to reserve the channel. Examples of suitable LTE transmissions that would benefit from prioritized channel access include delay or time-sensitive LTE transmissions or transmissions that must occur within a certain time window and/or with a certain periodicity such as LTE control data or signals (e.g. PDCCH), and/or synchronization or reference signals such as the Discovery Reference Signal (DRS) for LAA-LTE). An LTE transmitter can exploit the 802.11 channel access to gain prioritized channel access for transmitting 802.11 Wi-Fi beacons generated using its LTE subcarriers to ensure LTE transmissions take priority over other types of LTE and/or Wi-Fi traffic.

7. 发明申请

US20130039194A1 AUTONOMOUS MAXIMUM POWER SETTING BASED ON CHANNEL FINGERPRINT 有权
标题翻译：基于通道指纹的自动最大功率设置
公开(公告)号：US20130039194A1
公开(公告)日：2013-02-14
申请号：US13384854
申请日：2011-12-28
申请人： Iana Siomina , Muhammad Kazmi , Gary Boudreau
发明人： Iana Siomina , Muhammad Kazmi , Gary Boudreau
IPC分类号： H04W52/04 , H04W24/00
CPC分类号： H04W52/244
摘要： A home base station (HBS) (104, 801) performs radio channel measurements to detect one or more user equipments (UEs) (107) not served by the HBS which may be in a potentially interfering environment caused at least in part by the HBS. A database (812) of historical channel data (channel fingerprinting) of the HBS coverage area is used to predict the channel conditions and expected interference signal power seen by the detected UE(s). Based on a combination of the radio measurements (813) and historical channel data, the HBS can accurately and adaptively reduce its transmit power to a level that reduces or eliminates interference with the detected UE(s), while also not significantly degrading communication quality between other UEs served by the HBS.
摘要翻译：家庭基站（HBS）（104,801）执行无线电信道测量以检测不由HBS服务的一个或多个用户设备（107），所述HBS可能至少部分地由HBS引起潜在的干扰环境。使用HBS覆盖区域的历史信道数据（信道指纹）的数据库（812）来预测检测到的UE看到的信道状况和预期的干扰信号功率。基于无线电测量（813）和历史信道数据的组合，HBS可以将其发射功率精确和自适应地降低到降低或消除对所检测到的UE的干扰的水平，同时也不会显着降低由HBS服务的其他UE。

8. 发明申请

US20110223929A1 SCHEDULING TRANSMISSION OF DATA AT A BASE STATION BASED ON AN INTERFERENCE INDICATOR MESSAGE FROM ANOTHER BASE STATION 有权
标题翻译：基于来自其他基站的干扰指示器在基站调度数据传输
公开(公告)号：US20110223929A1
公开(公告)日：2011-09-15
申请号：US13128264
申请日：2010-01-29
申请人： Gary Boudreau , Ning Guo , Eric Parsons , Charles Filiatrault
发明人： Gary Boudreau , Ning Guo , Eric Parsons , Charles Filiatrault
IPC分类号： H04W72/12
CPC分类号： H04W72/1231
摘要： A system includes a first base station of a first vendor configuration and a second base station of a second vendor configuration. A link is between the first and second base stations. The first base station is configured to receive at least one interference indicator message from the second base station, and schedule transmission of data based on the at least one interference indicator message. Scheduling the transmission of data includes determining whether to transmit the data using a current resource or to delay transmission of the data.
摘要翻译：系统包括第一供应商配置的第一基站和第二供应商配置的第二基站。链路在第一和第二基站之间。第一基站被配置为从第二基站接收至少一个干扰指示符消息，并且基于至少一个干扰指示符消息来调度数据传输。调度数据传输包括确定是使用当前资源传输数据还是延迟数据传输。

9. 发明申请

US20210392511A1 USER EQUIPMENT (UE) MEASUREMENT TO ESTIMATE COVERAGE THRESHOLD 有权
公开(公告)号：US20210392511A1
公开(公告)日：2021-12-16
申请号：US17282060
申请日：2019-10-04
申请人： Kumar Balachandran , Sailesh Bharati , Gary Boudreau , Virgil Cimpu , Chris Williams
发明人： Kumar Balachandran , Sailesh Bharati , Gary Boudreau , Virgil Cimpu , Chris Williams
IPC分类号： H04W16/18 , H04W16/14 , H04W24/02
摘要： A network node of a communications network configured to provide Citizen Broadband Radio Service (CBRS) to at least one end user device (EUD) in a coverage area of the network node. The network node comprises: at least one processor; and a memory storing software instructions configured to control the at least one processor to perform steps of: causing the at least one EUD to report information indicative of a respective reference signal downlink power detected by the at least one EUD; and determine a respective coverage threshold for the network node based on the information reported by the at least one EUD.

10. 发明授权

US08897797B2 Scheduling transmission of data at a base station based on an interference indicator message from another base station 有权
标题翻译：基于来自另一基站的干扰指示符消息在基站处调度数据的传输
公开(公告)号：US08897797B2
公开(公告)日：2014-11-25
申请号：US13128264
申请日：2010-01-29
申请人： Gary Boudreau , Ning Guo , Eric Parsons , Charles Filiatrault
发明人： Gary Boudreau , Ning Guo , Eric Parsons , Charles Filiatrault
IPC分类号： H04W72/04 , H04W72/12
CPC分类号： H04W72/1231
摘要： A system includes a first base station of a first vendor configuration and a second base station of a second vendor configuration. A link is between the first and second base stations. The first base station is configured to receive at least one interference indicator message from the second base station, and schedule transmission of data based on the at least one interference indicator message. Scheduling the transmission of data includes determining whether to transmit the data using a current resource or to delay transmission of the data.
摘要翻译：系统包括第一供应商配置的第一基站和第二供应商配置的第二基站。链路在第一和第二基站之间。第一基站被配置为从第二基站接收至少一个干扰指示符消息，并且基于至少一个干扰指示符消息来调度数据传输。调度数据传输包括确定是使用当前资源传输数据还是延迟数据传输。

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