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公开(公告)号：US09532276B1
公开(公告)日：2016-12-27
申请号：US14619686
申请日：2015-02-11
Applicant: Sprint Spectrum L.P.
Inventor： Rajil Malhotra , Saravana Velusamy , Naresh Madineni , Deveshkumar Rai
CPC classification number: H04W36/0022 , H04L61/2007 , H04L65/1006 , H04L65/1016 , H04W88/06
Abstract: A wireless communication device (WCD) is configured to receive and maintain concurrently in data storage at least two different IMS transfer-addresses, such as one for use when the WCD's transition between radio access networks (RANs) is a single-radio transition and the other for use when the WCD's transition between RANs is a dual-radio transition, and/or one for use when the WCD's transition between RANs is packet-to-packet and the other for use when the WCD's transition between RANs is packet-to-circuit. Upon transitioning between RANs, the WCD may then select the appropriate one of these IMS transfer-addresses and transmit the selected IMS transfer-address to a network node to facilitate handover of an ongoing call to be via the WCD's new serving RAN.
Abstract translation: 无线通信设备（WCD）被配置为在数据存储中同时接收和维持至少两个不同的IMS传送地址，例如当无线电接入网络（RAN）在无线电接入网络（RAN）之间的转换是单无线电转换时使用的， 当WCD在RAN之间的转换是双无线电转换时，和/或当WCD在RAN之间的转换是分组到分组而另一个用于当WCD在RAN之间的转换是分组到 - 电路。 在RAN之间转换时，WCD然后可以选择这些IMS传输地址中的适当的一个，并将所选择的IMS传送地址发送到网络节点，以便于通过WCD的新服务RAN进行正在进行的呼叫的切换。
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12.发明授权公开(公告)号：US09392518B1
公开(公告)日：2016-07-12
申请号：US14837497
申请日：2015-08-27
Applicant: Sprint Spectrum L.P.
Inventor： Ahmad N. Saleh , Deveshkumar Rai
CPC classification number: H04W24/10 , H04W36/0022 , H04W68/005 , H04W88/06 , H04W88/08
Abstract: A method and system for controlling a circuit-switched fallback (CSFB) process is disclosed. A first wireless network serving a wireless communication device (WCD) receives from an interworking server an indication of an incoming call that the WCD can receive via a second wireless network. The first wireless network sends the interworking server an indication of a location related to the WCD. The interworking server determines a load level of the second wireless network in an area proximate the indicated location. The interworking server selects a control message based on the load level and sends the selected control message to the first wireless network. The first wireless network determines whether to transition the WCD to the second wireless network to receive the incoming call based on the selected control message from the interworking server.
Abstract translation: 公开了一种用于控制电路交换回退（CSFB）过程的方法和系统。 服务无线通信设备（WCD）的第一无线网络从互通服务器接收WCD可以经由第二无线网络接收的呼入呼叫的指示。 第一无线网络向互通服务器发送与WCD相关的位置的指示。 互通服务器确定接近所指示位置的区域中的第二无线网络的负载水平。 互通服务器根据负载级别选择控制消息，并将所选择的控制消息发送到第一无线网络。 第一无线网络基于来自互通服务器的选择的控制消息来确定是否将WCD转换到第二无线网络以接收呼入。
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公开(公告)号：US09380497B1
公开(公告)日：2016-06-28
申请号：US14177456
申请日：2014-02-11
Applicant: Sprint Spectrum L.P.
Inventor： Suryanarayanan Ramamurthy , Jay D. Cole , Saravana Velusamy , Rajil Malhotra , Deveshkumar Rai
CPC classification number: H04W36/0022
Abstract: Disclosed is an arrangement in which a radio access network detects a trigger such as the RAN being threshold loaded, and the RAN responsively causes each of one or more served UEs to transition from operating in a mode in which the UE would engage in call initiation signaling via the RAN to set up the call extending through the RAN, so the UE would then engage in the call served by the RAN to operating in a mode in which the UE would engage in call initiation signaling via the RAN to instead set up the call extending through another RAN and would transition to be served by the other RAN, so the UE would engage in the call served by the other RAN. As disclosed, one RAN may be an LTE RAN, and the other RAN may be a fallback RAN such as a CDMA or GSM RAN.
Abstract translation: 公开了一种无线电接入网络检测诸如RAN被加载阈值的触发的装置，并且RAN响应地使得一个或多个服务的UE中的每一个从UE中将进行呼叫发起信令的模式中的操作转换 通过RAN建立通过RAN延伸的呼叫，所以UE然后将参与由RAN服务的呼叫，以在UE中通过RAN进行呼叫发起信令的方式进行操作，而不是建立呼叫 延伸通过另一个RAN，并且将转变为由另一个RAN服务，因此UE将参与由另一个RAN服务的呼叫。 如所公开的，一个RAN可以是LTE RAN，而另一个RAN可以是诸如CDMA或GSM RAN的回退RAN。
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公开(公告)号：US09198083B1
公开(公告)日：2015-11-24
申请号：US14053483
申请日：2013-10-14
Applicant: Sprint Spectrum L.P.
Inventor： Deveshkumar Rai , Kristin A. Hayne , Saravana Velusamy
Abstract: Illustrative methods and systems may help to more efficiently use network resources in fall back scenarios. An illustrative method involves a network component: (a) receiving a first paging request directed to a target user-entity (UE) for a first communication of a first communication type, (b) initiating a first paging process to page the target UE for the first communication, (c) before the first paging process is complete, receiving a second paging request directed to the target UE, wherein the second paging request for a second communication of a second communication type, wherein the second communication type that has a higher priority than the first communication type, and (d) in response: (i) refraining from assigning network resources for the first communication, and (ii) using a result of the first paging process to determine whether or not to assign network resources for the second communication.
Abstract translation: 说明性的方法和系统可能有助于在后退情况下更有效地使用网络资源。 一种说明性方法涉及网络组件：（a）接收针对第一通信类型的第一通信的针对目标用户实体（UE）的第一寻呼请求，（b）发起第一寻呼过程以对目标UE进行寻呼 所述第一通信，（c）在所述第一寻呼过程完成之前，接收针对所述目标UE的第二寻呼请求，其中所述第二通信类型的第二通信的所述第二寻呼请求，其中所述第二通信类型具有较高的 优先级高于第一通信类型，（d）作为响应：（i）避免为第一通信分配网络资源，以及（ii）使用第一寻呼过程的结果来确定是否为 第二次沟通。
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15.发明申请Method and System for Vertical Handoff with Target Traffic Channel Setup Conveyed via Source Channel 有权用于通过源通道传送目标业务信道的垂直切换方法和系统公开(公告)号：US20130136106A1
公开(公告)日：2013-05-30
申请号：US13746928
申请日：2013-01-22
Applicant: Sprint Spectrum L.P.
Inventor： Manoj Shetty , Sachin R. Vargantwar , Siddharth S. Oroskar , Ashvini G. Canjeevaram , Deveshkumar Rai
IPC: H04W36/14
Abstract: A method and system for vertical handoff of a mobile station from a first-protocol RAN to a second-protocol RAN. The method and system provide a make-before-break vertical handoff, by having the first-protocol RAN (i) acquire, on behalf of the mobile station, a traffic channel assignment defining one or more traffic channel parameters for air interface communication in the second-protocol RAN, and (ii) pass to the mobile station, via the first air interface protocol, the one or more traffic channel parameters so that the mobile station can then readily switch over to communication under the second-protocol RAN. Optimally, the acquisition and passing of the one or more second-protocol traffic channel parameters may occur without the mobile station having requested the handoff, without the mobile station having asked for the traffic channel assignment, and without the mobile station having yet begun communication with the second-protocol RAN.
Abstract translation: 一种移动台从第一协议RAN到第二协议RAN的垂直切换的方法和系统。 该方法和系统通过使第一协议RAN（i）代表移动台获取定义用于空中接口通信的一个或多个业务信道参数的业务信道分配，从而提供断开前的垂直切换 第二协议RAN，以及（ii）经由第一空中接口协议向移动台传递一个或多个业务信道参数，使得移动站然后可以容易地切换到第二协议RAN下的通信。 最佳地，一个或多个第二协议业务信道参数的获取和传递可以在没有移动台已经请求了业务信道分配的情况下，而没有移动台尚未开始与 第二协议RAN。
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Patent Agency Ranking
16.发明授权公开(公告)号：US09357552B1
公开(公告)日：2016-05-31
申请号：US14316378
申请日：2014-06-26
Applicant: Sprint Spectrum L.P.
Inventor： Maneesh Gauba , Sachin R. Vargantwar , Maulik K. Shah , Deveshkumar Rai
CPC classification number: H04W72/048 , H04B17/318 , H04W24/00 , H04W52/16 , H04W52/245 , H04W52/343
Abstract: In order to provide better wireless service to wireless communication devices (WCDs) at different altitudes (e.g., on different levels of a high-rise structure), a radio access network (RAN) may include antennas that are configured to provide coverage at these different altitudes. The RAN may assign resources, such as transmit power or frequencies, to wireless coverage areas serving particular altitude ranges in a proportion that is commensurate with the number of WCDs being served by these particular altitude ranges. As a result, RAN and WCD performance may improve.
Abstract translation: 为了向不同高度（例如，在高层结构的不同级别）的无线通信设备（WCD）提供更好的无线服务，无线电接入网络（RAN）可以包括被配置为在这些不同高度上提供覆盖的天线 海拔高度 RAN可以以与由这些特定高度范围服务的WCD的数量相称的比例将诸如发射功率或频率的资源分配给服务特定高度范围的无线覆盖区域。 因此，RAN和WCD的性能可能会提高。
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公开(公告)号：US09264965B2
公开(公告)日：2016-02-16
申请号：US14159747
申请日：2014-01-21
Applicant: Sprint Spectrum L.P.
Inventor： Sachin R. Vargantwar , Deveshkumar Rai , Siddharth Oroskar , Manoj Shetty , Ashvini Ganesh Canjeevaram
Abstract: A method and apparatus for handing off packet-transmission between sectors of a wireless communication system is disclosed herein. During transmission of a packet from an access network to an access terminal, the access terminal determines that the packet should theoretically be transmitted to the access terminal in fewer timeslots in another sector than the number of allowed timeslots remaining for the packet transmission in a current sector. In response, the access terminal abandons packet transmission in the current sector and hands off to the other sector, in an effort to increase throughput and save air interface resources.
Abstract translation: 本文公开了一种在无线通信系统的扇区之间切换分组传输的方法和装置。 在将数据包从接入网传输到接入终端时，接入终端确定分组理论上应该在另一个扇区中以比当前扇区中的分组传输剩余的允许时隙数更少的时隙发送到接入终端 。 作为响应，接入终端放弃当前扇区中的分组传输并且切换到另一扇区，以便增加吞吐量并节省空中接口资源。
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公开(公告)号：US09185584B1
公开(公告)日：2015-11-10
申请号：US13911670
申请日：2013-06-06
Applicant: Sprint Spectrum L.P.
Inventor： Suryanarayanan Ramamurthy , Saravana Velusamy , Deveshkumar Rai
Abstract: In normal operation, a primary signaling controller in a first RAN manages bearer connectivity and tracking area updates for a UE and further interfaces with a second RAN over a primary signaling interface to facilitate inter-RAN signaling related to transition of the UE from being served by the first RAN to being served by the second RAN, such as circuit-switched fallback signaling. Upon detecting failure of the primary signaling interface, the first RAN is dynamically reconfigured to have such inter-RAN signaling for the UE pass over a secondary signaling interface between the second RAN and a secondary signaling controller of the first RAN, while the primary signaling controller continues to manage bearer connectivity and tracking area updates for the UE.
Abstract translation: 在正常操作中，第一RAN中的主要信令控制器管理用于UE的承载连接和跟踪区域更新，以及通过主信令接口进一步与第二RAN的接口，以促进与UE的转换相关的RAN间信令不被 由第二RAN服务的第一RAN，例如电路交换回退信令。 在检测到主信令接口的故障时，第一RAN被动态地重新配置为具有用于UE的这样的RAN间信令，通过第二RAN与第一RAN的辅助信令控制器之间的辅助信令接口，而主信令控制器 继续管理UE的承载连接和跟踪区域更新。
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公开(公告)号：US20130034084A1
公开(公告)日：2013-02-07
申请号：US13647337
申请日：2012-10-08
Applicant: SPRINT SPECTRUM L.P.
Inventor： Sachin R. Vargantwar , Siddharth S. Oroskar , Manoj Shetty , Canjeevaram Ashvini Ganesh , Deveshkumar Rai
IPC: H04W36/00
Abstract: A method and apparatus for handing off packet-transmission between sectors of a wireless communication system is disclosed herein. During transmission of a packet from an access network to an access terminal, the access terminal determines that the packet should theoretically be transmitted to the access terminal in fewer timeslots in another sector than the number of allowed timeslots remaining for the packet transmission in a current sector. In response, the access terminal abandons packet transmission in the current sector and hands off to the other sector, in an effort to increase throughput and save air interface resources.
Abstract translation: 本文公开了一种在无线通信系统的扇区之间切换分组传输的方法和装置。 在将数据包从接入网传输到接入终端时，接入终端确定分组理论上应该在另一个扇区中以比当前扇区中的分组传输剩余的允许时隙数更少的时隙发送到接入终端 。 作为响应，接入终端放弃当前扇区中的分组传输并且切换到另一扇区，以便增加吞吐量并节省空中接口资源。
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公开(公告)号：US09749113B1
公开(公告)日：2017-08-29
申请号：US14496762
申请日：2014-09-25
Applicant: Sprint Spectrum L.P.
Inventor： Suryanarayanan Ramamurthy , Deveshkumar Rai , Naresh Madineni
CPC classification number: H04L5/0073 , H04J3/1694 , H04J11/005 , H04L5/0007 , H04W52/16 , H04W52/243 , H04W52/325
Abstract: An example embodiment may involve defining a time-division multiplexed, orthogonal frequency-division multiplexed wireless air interface containing a primary signaling channel. The primary signaling channel may be formed by a first set of modulation symbols that are allocated to a fixed time position of each time-division multiplexed subframe across a plurality of contiguous subcarrier frequencies. A first set of the subcarrier frequencies may be powered at a first level and a second set of subcarrier frequencies may be powered at a second level. The example embodiment may also involve defining a secondary signaling channel. The secondary signaling channel may be formed in the air interface by a second set of modulation symbols that are allocated to dynamic time positions on the first set of the subcarrier frequencies. The example embodiment may further involve transmitting signaling messages to one or more WCDs via the secondary signaling channel.
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