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    Method for adaptively setting transmission parameters for a random access channel transmission uplink procedure in a wireless communication system
    21.
    发明授权
    Method for adaptively setting transmission parameters for a random access channel transmission uplink procedure in a wireless communication system 失效
    一种用于在无线通信系统中自适应地设置用于随机接入信道传输上行链路过程的传输参数的方法

    公开(公告)号：US07013146B2

    公开(公告)日：2006-03-14

    申请号：US10481981

    申请日：2001-06-27

    Applicant: Yan Wang ,  Suli Zhao ,  Hao Guan

    Inventor： Yan Wang ,  Suli Zhao ,  Hao Guan

    IPC: H04Q7/20

    CPC classification number: H04W74/008 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/0025 ,  H04W40/00 ,  H04W52/262 ,  H04W52/36 ,  H04W52/48 ,  H04W52/50 ,  H04W74/0833

    Abstract: The present invention provides a method to enhance the RACH message transmission of a wireless communication systems. Therefore the known RACH procedure for uplink transmission is extended by additional steps in order to allow the usage of adaptive transmission parameters for uplink transmissions, preferably the usage of adaptive modulation and coding (AMC). This is advantageous because studies in high-speed downlink packet access show the possibility to increase the data rate of a downlink shared channel. The method according to the invention introduces a new RACH message preamble and enables the base station to estimate suitable adaptive transmission parameters like an AMC setting according to the current transmission conditions which are used during the RACH message transmission.

    Abstract translation: 本发明提供一种增强无线通信系统的RACH消息传输的方法。 因此，用于上行链路传输的已知的RACH过程通过附加步骤来扩展，以便允许使用用于上行链路传输的自适应传输参数，优选地使用自适应调制和编码（AMC）。 这是有利的，因为在高速下行链路分组接入中的研究表明提高下行链路共享信道的数据速率的可能性。 根据本发明的方法引入了新的RACH消息前同步码，并且使得基站能够根据在RACH消息传输期间使用的当前传输条件来估计合适的自适应传输参数，如AMC设置。

    Methods and apparatus for handling failure and retry mechanisms during eHRPD pre-registration
    23.
    发明授权
    Methods and apparatus for handling failure and retry mechanisms during eHRPD pre-registration 有权
    在eHRPD预注册期间处理故障和重试机制的方法和装置

    公开(公告)号：US09451505B2

    公开(公告)日：2016-09-20

    申请号：US13523838

    申请日：2012-06-14

    Applicant: Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly ,  Vaibhav Kumar ,  Shian-De Ju

    Inventor： Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly ,  Vaibhav Kumar ,  Shian-De Ju

    IPC: H04W36/00 ,  H04W88/06 ,  H04W76/02

    CPC classification number: H04W36/0016 ,  H04W76/19 ,  H04W88/06

    Abstract: Aspects disclosed herein relate to effectively handling failure and retry mechanisms during pre-registration for an eHRPD optimized handover. In one example, a UE may be equipped to detect one or more instances of failure during a pre-registration procedure as part of an optimized handover process. The UE may further be equipped to perform one or more pre-registration retry processes based on the detected one or more instances of failure. In one aspect, the one or more instances of failure may include any combination of a permanent LTE connection failure, a temporary LTE connection failure, a session negotiation failure, a virtual connection failure when bringing up a data call, a link control protocol (LCP) failure, etc.

    Abstract translation: 本文公开的方面涉及在eHRPD优化切换的预注册期间有效地处理故障和重试机制。 在一个示例中，UE可以被配备为在预注册过程期间检测一个或多个故障实例，作为优化的切换过程的一部分。 UE还可以被配备为基于检测到的一个或多个故障实例来执行一个或多个预注册重试过程。 在一个方面，一个或多个故障实例可以包括永久性LTE连接故障，临时LTE连接故障，会话协商失败，提起数据呼叫时的虚拟连接故障，链路控制协议（LCP ）失败等

    Methods and apparatus for enabling fallback to a second data service based on the presence of fallback conditions associated with establishment of a data context with a first data service
    24.
    发明授权
    Methods and apparatus for enabling fallback to a second data service based on the presence of fallback conditions associated with establishment of a data context with a first data service 有权
    基于与第一数据服务建立数据上下文相关联的回退条件的存在来使得能够回退到第二数据服务的方法和装置

    公开(公告)号：US09185730B2

    公开(公告)日：2015-11-10

    申请号：US13488298

    申请日：2012-06-04

    Applicant: Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly

    Inventor： Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly

    IPC: H04W76/02 ,  H04W88/06 ,  H04W24/08

    CPC classification number: H04W76/02 ,  H04W24/08 ,  H04W76/10 ,  H04W88/06

    Abstract: Aspects disclosed herein relate to enabling fallback to a second data service based on whether one or more fallback conditions are present before or during establishing a data context with a first data service. In one example, a UE may be configured to determine whether one or more fallback conditions are present before or during establishing a data session with a first data service. The UE may be further configured to prohibit further attempts to establish a data context to access the first data service based on the determination of the presence of at least one of the one or more fallback conditions. Some aspects disclosed herein relate to enabling fallback to a HRPD data service based on whether one or more fallback conditions are present before or during establishing a data context with an eHRPD data service.

    Abstract translation: 本文公开的方面涉及基于在与第一数据服务建立数据上下文之间或期间是否存在一个或多个回退条件来使得能够回退到第二数据服务。 在一个示例中，UE可以被配置为在建立与第一数据服务的数据会话之前或期间确定是否存在一个或多个回退条件。 UE可以被进一步配置成基于确定一个或多个回退条件中的至少一个的进一步被配置为禁止进一步尝试建立数据上下文以访问第一数据服务。 本文公开的一些方面涉及基于在用eHRPD数据服务建立数据上下文之前或期间是否存在一个或多个回退条件来允许HRPD数据服务的回退。

    System and method for minimizing loss of IP context during IRAT handover
    25.
    发明授权
    System and method for minimizing loss of IP context during IRAT handover 有权
    在IRAT切换期间最小化IP上下文丢失的系统和方法

    公开(公告)号：US08982836B2

    公开(公告)日：2015-03-17

    申请号：US13275076

    申请日：2011-10-17

    Applicant: Suli Zhao ,  Ajith T. Payyappilly ,  Shrawan K. Khatri ,  Siddharth D. Chitnis

    Inventor： Suli Zhao ,  Ajith T. Payyappilly ,  Shrawan K. Khatri ,  Siddharth D. Chitnis

    IPC: H04W4/00 ,  H04W36/00 ,  H04W76/06

    CPC classification number: H04W36/0011 ,  H04W76/30

    Abstract: A method for maintaining IP context during an inter RAT handover of a UE between an eHRPD network and an LTE network may include delaying a transfer of an Internet Protocol context for at least one active packet data network until an IP address for an attach (PDN) Packet Data Network has been assigned and in the case where the Internet Protocol address for the Attach Packet Data Network is not assigned, initiating a detach operation from the LTE network without the user equipment losing the Internet Protocol context of the at least one active Packet Data Network.

    Abstract translation: 在UE在eHRPD网络和LTE网络之间的RAT间切换期间维护IP上下文的方法可以包括延迟用于至少一个活动分组数据网络的因特网协议上下文的传输，直到用于附着（PDN）的IP地址为止， 已经分配了分组数据网络，并且在未分配用于附接分组数据网络的因特网协议地址的情况下，从LTE网络发起分离操作，而用户设备丢失了至少一个活动分组数据的因特网协议上下文 网络。

    Resource management for a wireless device
    28.
    发明授权
    Resource management for a wireless device 有权
    无线设备的资源管理

    公开(公告)号：US08516101B2

    公开(公告)日：2013-08-20

    申请号：US12708319

    申请日：2010-02-18

    Applicant: Srinivasan Balasubramanian ,  Ajith T. Payyappilly ,  Reza Shahidi ,  Kevin S. Seltmann ,  Suli Zhao

    Inventor： Srinivasan Balasubramanian ,  Ajith T. Payyappilly ,  Reza Shahidi ,  Kevin S. Seltmann ,  Suli Zhao

    IPC: G06F15/173

    CPC classification number: H04L47/25 ,  H04L47/11 ,  H04L47/266 ,  H04W28/02

    Abstract: Techniques for managing resources on a wireless device are described. In an aspect, congestion of resources on the wireless device may be detected. If any resources are deemed to be congested, then congestion of the congested resources may be relieved by controlling utilization of the congested resources by at least one client. In one design, flow control may be performed for at least one data flow to relieve congestion of the congested resources. A pattern indicative of when to send messages enabling data transmission and when to send messages disabling data transmission may be selected. Messages may then be sent in accordance with the pattern to control transmission of data for the at least one data flow. Another pattern with a higher ON fraction or a lower ON fraction may be selected based on usage of the congested resources.

    Abstract translation: 描述了用于在无线设备上管理资源的技术。 在一方面，可以检测无线设备上的资源拥塞。 如果任何资源被认为是拥塞的，则可以通过控制至少一个客户端对拥塞的资源的利用来减轻拥塞资源的拥塞。 在一种设计中，可以对至少一个数据流执行流控制以减轻拥塞资源的拥塞。 可以选择指示何时发送能够进行数据传输的消息以及何时发送禁用数据传输的消息的模式。 然后可以根据模式发送消息以控制用于至少一个数据流的数据的传输。 可以基于拥塞资源的使用来选择具有较高ON分数或较低ON分数的另一模式。

    METHODS AND APPARATUS FOR HANDLING FAILURE AND RETRY MECHANISMS DURING eHRPD PRE-REGISTRATION
    29.
    发明申请
    METHODS AND APPARATUS FOR HANDLING FAILURE AND RETRY MECHANISMS DURING eHRPD PRE-REGISTRATION 有权
    在eHRPD预注册期间处理故障和恢复机制的方法和装置

    公开(公告)号：US20130100795A1

    公开(公告)日：2013-04-25

    申请号：US13523838

    申请日：2012-06-14

    Applicant: Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly ,  Vaibhav Kumar ,  Shian-De Ju

    Inventor： Suli Zhao ,  Srinivasan Balasubramanian ,  Ajith Tom Payyappilly ,  Vaibhav Kumar ,  Shian-De Ju

    IPC: H04W36/00 ,  H04W60/04

    CPC classification number: H04W36/0016 ,  H04W76/19 ,  H04W88/06

    Abstract: Aspects disclosed herein relate to effectively handling failure and retry mechanisms during pre-registration for an eHRPD optimized handover. In one example, a UE may be equipped to detect one or more instances of failure during a pre-registration procedure as part of an optimized handover process. The UE may further be equipped to perform one or more pre-registration retry processes based on the detected one or more instances of failure. In one aspect, the one or more instances of failure may include any combination of a permanent LTE connection failure, a temporary LTE connection failure, a session negotiation failure, a virtual connection failure when bringing up a data call, a link control protocol (LCP) failure, etc.

    Abstract translation: 本文公开的方面涉及在eHRPD优化切换的预注册期间有效地处理故障和重试机制。 在一个示例中，UE可以被配备为在预注册过程期间检测一个或多个故障实例，作为优化的切换过程的一部分。 UE还可以被配备为基于检测到的一个或多个故障实例来执行一个或多个预注册重试过程。 在一个方面，一个或多个故障实例可以包括永久性LTE连接故障，临时LTE连接故障，会话协商失败，提起数据呼叫时的虚拟连接故障，链路控制协议（LCP ）失败等

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