公开(公告)号：US09906338B1

公开(公告)日：2018-02-27

申请号：US14757985

申请日：2015-12-24

Applicant: Sprint Spectrum L.P.

Inventor： Hemanth B. Pawar ,  Shilpa K. Srinivas ,  Krishna Sitaram ,  Chunmei Liu

IPC: H04B7/04 ,  H04L5/00 ,  H04W4/08 ,  H04W8/20 ,  H04W16/16 ,  H04W24/02 ,  H04W28/02 ,  H04W36/08 ,  H04W40/22 ,  H04W48/20 ,  H04W72/04 ,  H04W74/02 ,  H04W76/02 ,  H04W84/08 ,  H04W88/04 ,  H04W88/08 ,  H04W92/10 ,  H04B7/0452 ,  H04W48/06 ,  H04W36/00 ,  H04W84/04

CPC classification number: H04L5/0035 ,  H04B7/0452 ,  H04L5/0076 ,  H04W4/08 ,  H04W8/205 ,  H04W16/16 ,  H04W24/02 ,  H04W28/0252 ,  H04W36/0094 ,  H04W36/08 ,  H04W40/22 ,  H04W48/06 ,  H04W48/20 ,  H04W72/0486 ,  H04W74/02 ,  H04W76/19 ,  H04W84/045 ,  H04W88/04 ,  H04W88/08 ,  H04W92/10

Abstract: A method and system for controlling which of a plurality of base stations will serve a WCD. Per the disclosure, a base station is selected from the plurality based at least on an extent to which the selected base station can provide MU-MIMO service efficiently to the WCDs that the selected base station is serving. Thus, the base station that will serve the WCD could be selected for effectively serving a lower quantity of WCDs (if MU-MIMO service is enabled) than other base stations of the plurality. And the WCD could then receive service from the selected base station.

公开(公告)号：US09800392B1

公开(公告)日：2017-10-24

申请号：US14688508

申请日：2015-04-16

Applicant: Sprint Spectrum L.P.

Inventor： Hemanth B. Pawar ,  Shilpa K. Srinivas ,  Krishna Sitaram ,  Chunmei Liu

IPC: H04L5/14 ,  H04W72/04 ,  H04W76/04

CPC classification number: H04L5/14 ,  H04L5/001 ,  H04L5/1469 ,  H04W72/04 ,  H04W72/048

Abstract: Disclosed are a methods and systems for selecting a carrier aggregation approach. In particular, a wireless communication system includes a base station configured to serve a UE with carrier aggregation service on a TDD carrier and an FDD carrier. Accordingly, the system determines a type of content that will be transmitted between the base station and the UE and, based on the type of content, the system selects an approach for serving the UE with the carrier aggregation service. This selection is between the base station (i) carrying out uplink communication using only the TDD carrier and carrying out downlink communication using only the FDD carrier and (ii) carrying out downlink communication using only the TDD carrier and carrying out uplink communication using only the FDD carrier. Based on the selecting, the system configures the base station to serve the UE with the carrier aggregation service using the selected approach.

公开(公告)号：US09769794B1

公开(公告)日：2017-09-19

申请号：US15200386

申请日：2016-07-01

Applicant: Sprint Spectrum L.P.

Inventor： Krishna Sitaram ,  Chunmei Liu ,  Hemanth B. Pawar ,  Shilpa Kowdley Srinivas

IPC: H04W68/00 ,  H04W68/02 ,  H04W76/04 ,  H04W72/00 ,  H04W88/06 ,  H04W92/10

CPC classification number: H04W68/02 ,  H04W36/0022 ,  H04W88/06

Abstract: In accordance with the disclosed methods and systems, while providing a service that enables user equipment devices (UEs) being served by a first network to engage in signaling with a second network via the first network, a controller or other network entity may detect a failure of paging in the first network. In response to detecting the failure of paging, the first network may then cause one or more UEs being served by the first network to transition from operating in a first mode that uses the given service to operating in a second mode that does not use the given service.

公开(公告)号：US09461917B1

公开(公告)日：2016-10-04

申请号：US14242645

申请日：2014-04-01

Applicant: Clearwire IP Holdings LLC ,  Sprint Spectrum L.P.

Inventor： Chunmei Liu ,  Krishna Sitaram ,  Hemanth B. Pawar ,  Daniel Vivanco

IPC: H04L12/803 ,  H04W52/26

CPC classification number: H04W36/22 ,  H04L47/12 ,  H04L47/125 ,  H04W28/0289 ,  H04W28/08 ,  H04W52/0206 ,  H04W52/265 ,  H04W52/283 ,  H04W52/343 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144

Abstract: A radio access network (RAN) may determine that a quality-of-service (QOS) load of a first base station exceeds a QOS load high threshold. The RAN may further determine that a set of wireless communication devices (WCDs) served by the first base station are located within a geographic area nearby a second base station. The RAN may additionally determine that the set of WCDs are responsible for at least a predefined portion of the QOS load of the first base station, and may power on the second base station. If at some point a second QOS load of the second base station falls below a QOS load low threshold, the RAN may facilitate handover of at least one of the WCDs served by the second base station from the second base station to the first base station, and may power off the second base station.

Abstract translation: 无线电接入网络（RAN）可以确定第一基站的服务质量（QOS）负载超过QOS负载高阈值。 RAN还可以确定由第一基站服务的一组无线通信设备（WCD）位于第二基站附近的地理区域内。 RAN可以另外确定该组WCD负责第一基站的QOS负载的至少预定义部分，并且可以对第二基站供电。 如果在某一点第二基站的第二QOS负载降到QOS负载低阈值以下，则RAN可以促进由第二基站服务的至少一个WCD从第二基站到第一基站的切换， 并且可以关闭第二基站。

公开(公告)号：US09253705B1

公开(公告)日：2016-02-02

申请号：US14175027

申请日：2014-02-07

Applicant: Sprint Spectrum L.P. ,  Clearwire IP Holdings LLC

Inventor： Hemanth B. Pawar ,  Shilpa Kowdley Srivinas ,  Krishna Sitaram ,  Daniel Vivanco ,  Chunmei Liu

IPC: H04W36/00 ,  H04W36/32

CPC classification number: H04W36/32 ,  H04W36/0061 ,  H04W36/0083 ,  H04W36/14

Abstract: A method and system for resolving handover in the presence of coverage area identifier conflict is disclosed. In a market area in which an LTE RAN and CDMA RAN operate, a base station receives a PCI that indicates a particular one of the LTE coverage areas detected by a mobile terminal. The base station determines that at least two of the LTE coverage areas have the particular PCI. Thereafter, the base station determines which one of the LTE coverage areas is the particular LTE coverage area that was indicated by the particular PCI based at least in part on a particular PN offset that indicates a particular CDMA coverage area of the CDMA RAN. The base station then arranges for handover to the particular LTE coverage area.

Abstract translation: 公开了一种在存在覆盖区域标识符冲突的情况下解决切换的方法和系统。 在LTE RAN和CDMA RAN操作的市场区域中，基站接收指示由移动终端检测到的LTE覆盖区域中的特定一个的PCI。 基站确定LTE覆盖区域中的至少两个具有特定的PCI。 此后，基站至少部分地基于指示CDMA RAN的特定CDMA覆盖区域的特定PN偏移来确定LTE覆盖区域中的哪一个是由特定PCI指示的特定LTE覆盖区域。 然后，基站安排切换到特定的LTE覆盖区域。