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公开(公告)号：US09854536B2
公开(公告)日：2017-12-26
申请号：US14816990
申请日：2015-08-03
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Vikram Chandrasekhar , Ritesh K. Madan , Rohit Umesh Nabar , Kedar Durgadas Shirali
CPC classification number: H04W52/243 , H04W52/143 , H04W52/225 , H04W52/241 , H04W52/281 , H04W52/283 , H04W52/346
Abstract: An example method is provided in one example embodiment and includes receiving an indication of an average signal power for a downlink connection between a cell and each of a plurality of user equipment devices associated with the cell, receiving an indication of an average interference measurement on the downlink connection between the cell and each of the plurality of user equipment devices associated with the cell, and computing an average spectral efficiency for each of the plurality of user equipment devices based upon the respective average signal power and average interference measurement. The method further includes determining a transmission power level from among a plurality of available transmission power levels for one or more downlink resources for each of the plurality of user equipment devices based upon the computed average spectral efficiency for each of the plurality of user equipment devices.
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22.发明授权公开(公告)号：US09839035B2
公开(公告)日：2017-12-05
申请号：US14691260
申请日：2015-04-20
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar , Vikram Chandrasekhar , Kedar Durgadas Shirali
CPC classification number: H04W72/0453 , H04W16/14 , H04W24/02 , H04W24/10 , H04W28/0236 , H04W28/16 , H04W72/082 , H04W72/1268
Abstract: A method is provided in one example embodiment and may include determining one or more uplink inter cell interference coordination (ICIC) parameters for a plurality of cells based, at least in part, on feedback information associated with the plurality of cells; exchanging interference information between neighboring cells; and scheduling uplink transmissions for user equipment served by the neighboring cells based, at least in part, on the uplink ICIC parameters and the interference information exchanged between neighboring cells. A method is provided in another example embodiment and may include determining a ratio relating a first portion of a frequency spectrum for assigning fractional frequency re-use resources to a second portion of the frequency spectrum for assigning re-use one resources; and updating the ratio relating the first portion and the second portion of the frequency spectrum to optimize throughput rates for the plurality of user equipment across the plurality of cells.
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23.发明授权公开(公告)号：US09820296B2
公开(公告)日：2017-11-14
申请号：US14918420
申请日：2015-10-20
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Vikram Chandrasekhar , Rohit Umesh Nabar , Kedar Durgadas Shirali , Qing Zhao
CPC classification number: H04W72/1273 , H04L5/0035 , H04L5/0073 , H04W16/32 , H04W72/0413 , H04W72/042 , H04W72/082 , H04W72/1226 , H04W72/1231 , H04W72/1289
Abstract: An example method is provided in one example embodiment and includes receiving performance metric information from a plurality of small cell radios, wherein the performance metric information includes, at least in part, a number of user equipment that are to be scheduled on a first type and a second type of subframes for each small cell radio; determining resource allocation parameters for the plurality of small cell radios; exchanging interference information between two or more small cell radios of the plurality of small cell radios that includes an indication of whether a particular small cell radio is interfering with or is interfered by another small cell radio of the two or more small cell radios; and scheduling downlink resource transmissions on the first type and the second type of subframes for user equipment served by the two or more small cell radios.
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公开(公告)号：US09813970B2
公开(公告)日：2017-11-07
申请号：US15002187
申请日：2016-01-20
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Ehsan Haghani , Rohit Umesh Nabar
CPC classification number: H04W36/32 , H04W36/0083 , H04W36/0094 , H04W36/22 , H04W52/143 , H04W52/244 , H04W52/285 , H04W52/367 , H04W52/40 , H04W72/0473 , H04W72/082
Abstract: A method is provided in one example embodiment and may include generating feedback information by a small cell radio and a macro cell radio; setting a high mobility handover threshold for the macro cell radio based, at least in part, on the feedback information, wherein the high mobility handover threshold is used to trigger handover of one or more high mobility user equipment (UE) associated with the macro cell radio to the small cell radio; and setting a maximum downlink transmit power for the small cell radio based, at least in part, on the feedback information and the high mobility handover threshold.
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公开(公告)号：US20170164206A1
公开(公告)日：2017-06-08
申请号：US14961552
申请日：2015-12-07
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar
CPC classification number: H04W16/10 , H04W28/0236 , H04W28/04
Abstract: A method is provided in one example embodiment and may include determining for each of one or more macro cell radios, a corresponding set of one or more small cell radios that are under a coverage area of each of the one or more macro cell radios, wherein each corresponding set is associated with a corresponding macro cell radio; calculating interference coordination parameters for each small cell radio belonging to each corresponding set, wherein the interference coordination parameters for each small cell radio belonging to each corresponding set comprises an uplink interference budget for each small cell radio; and communicating the interference coordination parameters to each small cell radio belonging to each corresponding set.
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Patent Agency Ranking
26.发明申请SYSTEM AND METHOD TO FACILITATE SMALL CELL UPLINK POWER CONTROL IN A NETWORK ENVIRONMENT 有权一种网络环境下小容量上电功率控制的系统和方法公开(公告)号：US20170026915A1
公开(公告)日：2017-01-26
申请号：US14833519
申请日：2015-08-24
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar , Vikram Chandrasekhar , Kedar Durgadas Shirali , Qing Zhao
IPC: H04W52/24 , H04B17/309 , H04W52/14
CPC classification number: H04W52/244 , H04B17/309 , H04W52/10 , H04W52/146 , H04W52/241 , H04W52/242 , H04W84/18
Abstract: A method is provided in one example embodiment and may include calculating, by one or more of a plurality of small cell radios, one or more sets of candidate power control parameters using a first interference constraint for uplink user equipment (UE) transmissions for UE served by the one or more of the plurality of small cell radios; determining, at a central management entity, whether an average of a sum of an expected interference for UE associated with the plurality of small cell radios violates a second interference constraint for any of the one or more sets of candidate power control parameters; and generating one or more messages for each of the plurality of small cell radios identifying one or more particular sets of power control parameters that provide for meeting the second interference constraint.
Abstract translation: 在一个示例实施例中提供了一种方法，并且可以包括使用针对所服务的UE的上行链路用户设备（UE）传输的第一干扰约束来计算多个小小区无线电中的一个或多个的一个或多个候选功率控制参数集合 通过所述多个小小区无线电中的一个或多个; 在中央管理实体处确定与所述多个小小区无线电相关联的UE的预期干扰的平均值是否违反所述一个或多个候选功率控制参数集合中的任一个的第二干扰约束; 以及为所述多个小单元无线电中的每一个产生一个或多个消息，用于标识提供满足所述第二干扰约束的功率控制参数的一个或多个特定组。
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27.发明申请SYSTEM AND METHOD FOR PROVIDING UPLINK INTER CELL INTERFERENCE COORDINATION IN A NETWORK ENVIRONMENT 审中-公开在网络环境中提供上行内部干扰协调的系统和方法公开(公告)号：US20160309476A1
公开(公告)日：2016-10-20
申请号：US14691260
申请日：2015-04-20
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar , Vikram Chandrasekhar , Kedar Durgadas Shirali
CPC classification number: H04W72/0453 , H04W16/14 , H04W24/02 , H04W24/10 , H04W28/0236 , H04W28/16 , H04W72/082 , H04W72/1268
Abstract: A method is provided in one example embodiment and may include determining one or more uplink inter cell interference coordination (ICIC) parameters for a plurality of cells based, at least in part, on feedback information associated with the plurality of cells; exchanging interference information between neighboring cells; and scheduling uplink transmissions for user equipment served by the neighboring cells based, at least in part, on the uplink ICIC parameters and the interference information exchanged between neighboring cells. A method is provided in another example embodiment and may include determining a ratio relating a first portion of a frequency spectrum for assigning fractional frequency re-use resources to a second portion of the frequency spectrum for assigning re-use one resources; and updating the ratio relating the first portion and the second portion of the frequency spectrum to optimize throughput rates for the plurality of user equipment across the plurality of cells.
Abstract translation: 在一个示例实施例中提供了一种方法，并且可以包括至少部分地基于与多个小区相关联的反馈信息来确定多个小区的一个或多个上行链路小区间干扰协调（ICIC）参数; 在相邻小区之间交换干扰信息; 以及至少部分地基于上行ICIC参数和在相邻小区之间交换的干扰信息来调度由相邻小区服务的用户设备的上行链路传输。 在另一个示例实施例中提供了一种方法，并且可以包括确定将用于分配分数频率重用资源的频谱的第一部分与频谱的第二部分相关联的比率，用于分配再利用一个资源; 以及更新与所述频谱的所述第一部分和所述第二部分相关的比率以优化所述多个小区中的所述多个用户设备的吞吐率。
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28.发明申请公开(公告)号：US20160309356A1
公开(公告)日：2016-10-20
申请号：US14686598
申请日：2015-04-14
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar , Vikram Chandrasekhar , Kedar Durgadas Shirali
CPC classification number: H04W72/0453 , H04W16/14 , H04W24/02 , H04W24/10 , H04W28/0236 , H04W28/16 , H04W72/082 , H04W72/1268
Abstract: A method is provided in one example embodiment and may include determining one or more uplink inter cell interference coordination (ICIC) parameters for a plurality of cells based, at least in part, on feedback information associated with the plurality of cells; exchanging interference information between neighboring cells; and scheduling uplink transmissions for user equipment served by the neighboring cells based, at least in part, on the uplink ICIC parameters and the interference information exchanged between neighboring cells. A method is provided in another example embodiment and may include determining a ratio relating a first portion of a frequency spectrum for assigning fractional frequency re-use resources to a second portion of the frequency spectrum for assigning re-use one resources; and updating the ratio relating the first portion and the second portion of the frequency spectrum to optimize throughput rates for the plurality of user equipment across the plurality of cells.
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公开(公告)号：US10341873B2
公开(公告)日：2019-07-02
申请号：US15808259
申请日：2017-11-09
Applicant: Cisco Technology, Inc.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar
Abstract: A method is provided in one example embodiment and may include determining for each of one or more macro cell radios, a corresponding set of one or more small cell radios that are under a coverage area of each of the one or more macro cell radios, wherein each corresponding set is associated with a corresponding macro cell radio; calculating interference coordination parameters for each small cell radio belonging to each corresponding set, wherein the interference coordination parameters for each small cell radio belonging to each corresponding set comprises an uplink interference budget for each small cell radio; and communicating the interference coordination parameters to each small cell radio belonging to each corresponding set.
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30.发明授权公开(公告)号：US10159048B2
公开(公告)日：2018-12-18
申请号：US15626110
申请日：2017-06-17
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Ritesh K. Madan , Rohit Umesh Nabar , Vikram Chandrasekhar , Kedar Durgadas Shirali , Qing Zhao
Abstract: A method is provided in one example embodiment and may include calculating, by one or more of a plurality of small cell radios, one or more sets of candidate power control parameters using a first interference constraint for uplink user equipment (UE) transmissions for UE served by the one or more of the plurality of small cell radios; determining, at a central management entity, whether an average of a sum of an expected interference for UE associated with the plurality of small cell radios violates a second interference constraint for any of the one or more sets of candidate power control parameters; and generating one or more messages for each of the plurality of small cell radios identifying one or more particular sets of power control parameters that provide for meeting the second interference constraint.
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