公开(公告)号：US11589354B1

公开(公告)日：2023-02-21

申请号：US16828182

申请日：2020-03-24

申请人： Sprint Spectrum LP

发明人： Hemanth Pawar ,  Krishna Sitaram ,  Shilpa Kowdley Srinivas

IPC分类号： H04W72/04 ,  H04W72/0453

摘要： Performing inter-band carrier aggregation based on device capability includes monitoring a dominant type of wireless devices in a wireless sector based on whether or not they are capable of inter-band carrier aggregation, and enabling or disabling inter-band carrier aggregation in the sector based on the dominant type. Enabling/disabling inter-band carrier aggregation can include allowing or preventing usage of usage of a low-frequency carrier as a primary component carrier aggregated with a high-frequency carrier as a secondary component carrier. Carriers using FDD and TDD duplexing modes are included.

公开(公告)号：US11259227B1

公开(公告)日：2022-02-22

申请号：US16787671

申请日：2020-02-11

申请人： Sprint Spectrum LP

发明人： Krishna Sitaram ,  Hemanth Pawar ,  Shilpa Kowdley Srinivas

IPC分类号： H04W4/00 ,  H04W36/08 ,  H04W36/00 ,  H04W74/08 ,  H04W8/24

摘要： Performing handovers based on RACH capabilities includes instructing neighboring access nodes to share RACH capabilities with each other, identifying a RACH capability of wireless devices attached to a serving access node, and selecting a target access node based on matching the RACH capabilities. The RACH capabilities are associated with a format and/or a range or distance of RACH transmissions.

公开(公告)号：US10470116B1

公开(公告)日：2019-11-05

申请号：US14269374

申请日：2014-05-05

申请人： Sprint Spectrum LP

发明人： Chunmei Liu ,  Daniel Vivanco ,  Krishna Sitaram

IPC分类号： H04W48/20 ,  H04W36/00 ,  H04W52/24

摘要： Systems and methods are described for determining an access node for a wireless device. A first signal may be transmitted from a first access node with an increased signal level. An indication of a first adjustment factor based on the increased first signal level may also be transmitted from the first access node. Signal information may then be received from a wireless device, where the signal information includes a determined first signal level associated with the first access node and a determined second signal level associated with a second access node. The determined first signal level from the signal information may comprise a received signal level of the first signal decreased by the first adjustment factor. Based on the signal information, one of the first access node and the second access node may be selected for communication with the wireless device and the wireless device may be instructed to communicate with the selected access node.

公开(公告)号：US10383101B1

公开(公告)日：2019-08-13

申请号：US15450465

申请日：2017-03-06

申请人： Sprint Spectrum LP

发明人： Hemanth Pawar ,  Krishna Sitaram ,  Chunmei Liu ,  Pratik Kothari

IPC分类号： H04W52/20 ,  H04W72/04 ,  H04L1/00 ,  H04W52/26

摘要： Link adaptation for an uplink channel is dynamically performed based on changes in uplink resources in the wireless network, the changes based on frame configuration. If the ratio of uplink to downlink subframes in the new frame configuration is smaller, the throughput is increased by increasing a modulation and coding scheme of the uplink channel, and transmit power of wireless devices. If the ratio of uplink to downlink subframes is increased in the new frame configuration, the throughput is decreased, and the wireless device is instructed to transmit using reduced transmit power.

公开(公告)号：US10356776B1

公开(公告)日：2019-07-16

申请号：US15465627

申请日：2017-03-22

申请人： Sprint Spectrum LP

发明人： Hemanth Pawar ,  Shilpa Kowdley ,  Chunmei Liu ,  Krishna Sitaram

IPC分类号： H04W72/04 ,  H04W72/12

摘要： Interference caused between neighboring access nodes deploying wireless air-interface resources in different frame configurations while using the same frequency sub-band is mitigated by modifying the subframes deployed by a first access node by muting the subframes in the first frame configuration. Wireless resources from a different frequency sub-band can be aggregated towards the interfering subframes. A third access node adjacent to the first access node may deploy wireless resources in the first frame configuration and using the second frequency sub-band. A determination of how to reconfigure the interfering subframes is based on numbers of wireless devices in potential interference zones between each access node.

公开(公告)号：US10165483B1

公开(公告)日：2018-12-25

申请号：US15284699

申请日：2016-10-04

申请人： Sprint Spectrum LP

发明人： Chunmei Liu ,  Pratik Kothari ,  Hemanth Pawar ,  Krishna Sitaram

IPC分类号： H04W36/06 ,  H04W36/30 ,  H04W36/00 ,  H04W88/08

摘要： Mitigating interference in distributed antenna systems (DAS) includes determining, at a processing node of the DAS, that a first wireless device attached to a first access node is within a coverage area of one or more antennae of the DAS, and transmitting, from the processing node to the first access node, a request to trigger a handover of the first wireless device from the first access node to the DAS. The first access node triggers the handover by instructing the first wireless device to perform a signal measurement.

公开(公告)号：US09913190B1

公开(公告)日：2018-03-06

申请号：US14805779

申请日：2015-07-22

申请人： Sprint Spectrum LP

发明人： Krishna Sitaram ,  Chunmei Liu ,  Hemanth Pawar ,  Pratik Kothari

IPC分类号： H04W36/24 ,  H04B7/0413 ,  H04W36/00

CPC分类号： H04W36/24 ,  H04B7/0413 ,  H04W36/00 ,  H04W36/0083

摘要： One or more factors are determined for a target cell, the one or more factors being at least one of a morphology, a band class, a loading, and a MIMO type. A modified target cell signal strength threshold for the target cell is set using the one or more factors. The modified target cell signal strength threshold is utilized to initiate a transfer of the wireless device from the serving cell to the target cell.

公开(公告)号：US09838912B1

公开(公告)日：2017-12-05

申请号：US14517203

申请日：2014-10-17

申请人： Sprint Spectrum LP

发明人： Hemanth Pawar ,  Shilpa Kowdley ,  Krishna Sitaram ,  Daniel Vivanco

IPC分类号： H04W4/00 ,  H04W36/00 ,  H04W72/04

CPC分类号： H04W36/0022

摘要： Systems and methods are described for determining a carrier for a wireless device. Data may be communicated between a wireless device and a wireless communication network over a first carrier. It may be determined whether the wireless communication network provides a fallback protocol for switching the wireless device from the first carrier to a second carrier. The wireless device may be instructed to communicate with the wireless communication network over the second carrier when it is determined that the wireless communication network does not provide the fallback protocol.

公开(公告)号：US09572064B2

公开(公告)日：2017-02-14

申请号：US14454923

申请日：2014-08-08

申请人： Sprint Spectrum LP

发明人： Hemanth Pawar ,  Shilpa Kowdley ,  Krishna Sitaram ,  Daniel Vivanco

IPC分类号： H04W28/02 ,  H04W28/08 ,  H04W72/12

CPC分类号： H04W28/0226 ,  H04W28/0231 ,  H04W28/08 ,  H04W72/12

摘要： Systems and methods are described for scheduling transmissions from an access node. A location may be determined for a plurality of small cells within an access node signal area. Based on the determined locations, a scheduling algorithm may be selected for the access node, where the scheduling algorithm may comprise one of a low proportional fairness scheduling algorithm, a medium proportional fairness scheduling algorithm, and a high proportional fairness scheduling algorithm. Data may then be transmitted from the access node to a plurality of wireless devices based on the selected scheduling algorithm.

摘要翻译： 描述了用于从接入节点调度传输的系统和方法。 可以为接入节点信号区域内的多个小小区确定位置。 基于确定的位置，可以为接入节点选择调度算法，其中调度算法可以包括低比例公平调度算法，中等比例公平调度算法和高比例公平调度算法之一。 然后可以基于所选择的调度算法将数据从接入节点发送到多个无线设备。

公开(公告)号：US09560562B1

公开(公告)日：2017-01-31

申请号：US14315599

申请日：2014-06-26

申请人： Sprint Spectrum LP

发明人： Daniel Vivanco ,  Krishna Sitaram ,  Chunmei Liu ,  Hemanth Pawar

IPC分类号： H04W36/12 ,  H04W36/00 ,  H04W72/04 ,  H04W24/08

CPC分类号： H04W36/0083 ,  H04W24/08 ,  H04W72/04

摘要： Systems and methods are described for determining a handover condition in a wireless communication network. A plurality of active wireless devices in communication with a first access node may be detected. Measurement and reporting information may be received at the first access node from the wireless devices indicating proximity to a second access node. A criteria for selecting a wireless device in communication with the first access node for handover may be determined. A bias factor for the selected wireless device based on the received measurement and reporting information may be calculated. The bias factor may be provided to the selected wireless device and the first access node and/or a controller node may instruct the selected wireless device to communicate with the second access node.

摘要翻译： 描述了用于确定无线通信网络中的切换状况的系统和方法。 可以检测与第一接入节点通信的多个活动无线设备。 测量和报告信息可以在第一接入节点从无线设备接收，指示与第二接入节点的接近。 可以确定用于选择与第一接入节点进行切换的无线设备的标准。 可以计算基于所接收的测量和报告信息的所选无线设备的偏置因子。 可以将偏置因子提供给所选择的无线设备，并且第一接入节点和/或控制器节点可以指示所选择的无线设备与第二接入节点进行通信。