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11.发明授权Wireless communication device for maintaining minimum quality of service (QoS) communication sessions during hard handoffs 有权用于在硬切换期间维持最低服务质量（QoS）通信会话的无线通信设备公开(公告)号：US08903393B2
公开(公告)日：2014-12-02
申请号：US11835143
申请日：2007-08-07
Applicant: Ajith T. Payyappilly , Lei Shen , Parag Arun Agashe , Reza Shahidi
Inventor： Ajith T. Payyappilly , Lei Shen , Parag Arun Agashe , Reza Shahidi
CPC classification number: H04W36/26 , H04W28/24 , H04W36/0055
Abstract: The disclosure relates to techniques for maintaining minimum quality of service (QoS) communication sessions with a wireless communication device (WCD) over a data-based communication network during a hard handoff between access networks for the WCD. More specifically, the techniques determine whether a closed connection between the WCD and a first access network during a minimum QoS communication session is due to a hard handoff between the first access network and a second access network. In the case of a hard handoff, the techniques maintain open QoS reservations associated with data flows included in the minimum QoS communication session for a predetermined period of time to enable a new connection to be established between the WCD and a second access network. The techniques described herein may especially useful when performing a voice over Internet Protocol (VoIP) call over an Evolution-Data Optimized (EVDO) communication network.
Abstract translation: 本公开涉及用于在用于WCD的接入网络之间的硬切换期间通过基于数据的通信网络来维持与无线通信设备（WCD）的最小服务质量（QoS）通信会话的技术。 更具体地，该技术确定在最小QoS通信会话期间WCD和第一接入网络之间的闭合连接是否是由于第一接入网络和第二接入网络之间的硬切换。 在硬切换的情况下，技术保持与包括在最小QoS通信会话中的数据流相关联的预定时间段的开放QoS保留，以使得能够在WCD和第二接入网络之间建立新连接。 当在演进数据优化（EVDO）通信网络上执行通过因特网协议（VoIP）呼叫的语音呼叫时，本文描述的技术尤其有用。
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公开(公告)号：US08817600B2
公开(公告)日：2014-08-26
申请号：US12621062
申请日：2009-11-18
Applicant: Ajith T. Payyappilly , Srinivasan Balasubramanian
Inventor： Ajith T. Payyappilly , Srinivasan Balasubramanian
CPC classification number: H04W76/027 , H04W28/04 , H04W36/0066 , H04W60/02 , H04W76/18 , H04W76/19
Abstract: A wireless communications device is configured to establish a radio level session with a network at a relatively high or highest protocol level among a plurality of protocol levels supported. Upon failures in establishing, or during, a network level data session, the radio level session is closed. Thereafter, the device re-attempts to establish the network level session at a lower, fallback protocol level, by pretending it is a legacy device incapable of supporting the high protocol level. In this manner, the network is likely to follow a different procedure in establishing data communications, whereby an error that caused the failure is less likely to be repeated. As examples, error conditions in eHRPD data sessions result in fallback to HRPD or 1xRTT data sessions. A network based alternative embodiment implements protocol fallback via appropriate fallback instructions to the wireless device.
Abstract translation: 无线通信设备被配置为在所支持的多个协议级别中的相对较高或最高协议级别与网络建立无线电级会话。 在建立或在网络级数据会话期间发生故障时，关闭无线电级别会话。 此后，设备重新尝试以较低的回退协议级别建立网络级会话，假设它是不能支持高协议级别的传统设备。 以这种方式，网络可能遵循建立数据通信的不同过程，由此导致故障的错误不太可能被重复。 作为示例，eHRPD数据会话中的错误条件导致HRPD或1xRTT数据会话的回退。 基于网络的替代实施例通过适当的回退指令实现到无线设备的协议回退。
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13.发明授权公开(公告)号：US08385350B2
公开(公告)日：2013-02-26
申请号：US11743802
申请日：2007-05-03
Applicant: Reza Shahidi , Ajith T. Payyappilly , Srinivasan Balasubramanian , Lei Shen
Inventor： Reza Shahidi , Ajith T. Payyappilly , Srinivasan Balasubramanian , Lei Shen
Abstract: Techniques to detect for end of service using dynamic inactivity timer thresholds are described. An access terminal establishes a radio connection for one or more applications. Data and signaling for the application(s) may be sent on one or more first flows (e.g., RLP flows) that may carry any number of second flows (e.g., IP flows). The access terminal determines a dynamic inactivity timer threshold for each first flow, e.g., based on at least one inactivity timer threshold for at least one second flow mapped to that first flow. The access terminal determines whether each first flow is inactive based on the inactivity timer threshold for that first flow, e.g., declares each first flow to be inactive if no activity is detected on that first flow for a period exceeding the inactivity timer threshold. The access terminal closes the radio connection when all first flow(s) are determined to be inactive.
Abstract translation: 描述使用动态不活动定时器阈值检测服务结束的技术。 接入终端为一个或多个应用建立无线电连接。 用于应用的数据和信令可以在可携带任何数量的第二流（例如，IP流）的一个或多个第一流（例如，RLP流）上发送。 接入终端例如基于映射到该第一流的至少一个第二流的至少一个不活动定时器阈值来确定每个第一流的动态不活动定时器阈值。 接入终端基于该第一流的不活动定时器阈值来确定每个第一流是否不活动，例如，如果在超过非活动定时器阈值的时间段内在该第一流上没有检测到活动，则将每个第一流声明为不活动。 当所有第一流被确定为不活动时，接入终端关闭无线电连接。
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14.发明申请MAINTAINING MINIMUM QUALITY OF SERVICE (QoS) COMMUNICATION SESSIONS DURING HARD HANDOFFS 有权维持最低质量的服务（QoS）通信会议在硬汉公开(公告)号：US20090005044A1
公开(公告)日：2009-01-01
申请号：US11835143
申请日：2007-08-07
Applicant: Ajith T. Payyappilly , Lei Shen , Parag Arun Agashe , Reza Shahidi
Inventor： Ajith T. Payyappilly , Lei Shen , Parag Arun Agashe , Reza Shahidi
IPC: H04Q7/20
CPC classification number: H04W36/26 , H04W28/24 , H04W36/0055
Abstract: The disclosure relates to techniques for maintaining minimum quality of service (QoS) communication sessions with a wireless communication device (WCD) over a data-based communication network during a hard handoff between access networks for the WCD. More specifically, the techniques determine whether a closed connection between the WCD and a first access network during a minimum QoS communication session is due to a hard handoff between the first access network and a second access network. In the case of a hard handoff, the techniques maintain open QoS reservations associated with data flows included in the minimum QoS communication session for a predetermined period of time to enable a new connection to be established between the WCD and a second access network. The techniques described herein may especially useful when performing a voice over Internet Protocol (VoIP) call over an Evolution-Data Optimized (EVDO) communication network.
Abstract translation: 本公开涉及用于在用于WCD的接入网络之间的硬切换期间通过基于数据的通信网络来维持与无线通信设备（WCD）的最小服务质量（QoS）通信会话的技术。 更具体地，该技术确定在最小QoS通信会话期间WCD和第一接入网络之间的闭合连接是否是由于第一接入网络和第二接入网络之间的硬切换。 在硬切换的情况下，技术保持与包括在最小QoS通信会话中的数据流相关联的预定时间段的开放QoS保留，以使得能够在WCD和第二接入网络之间建立新连接。 当在演进数据优化（EVDO）通信网络上执行通过因特网协议（VoIP）呼叫的语音呼叫时，本文描述的技术尤其有用。
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15.发明申请公开(公告)号：US20080123527A1
公开(公告)日：2008-05-29
申请号：US11743802
申请日：2007-05-03
Applicant: Reza Shahidi , Ajith T. Payyappilly , Srinivasan Balasaubramanian , Lei Shen
Inventor： Reza Shahidi , Ajith T. Payyappilly , Srinivasan Balasaubramanian , Lei Shen
IPC: H04L12/56
Abstract: Techniques to detect for end of service using dynamic inactivity timer thresholds are described. An access terminal establishes a radio connection for one or more applications. Data and signaling for the application(s) may be sent on one or more first flows (e.g., RLP flows) that may carry any number of second flows (e.g., IP flows). The access terminal determines a dynamic inactivity timer threshold for each first flow, e.g., based on at least one inactivity timer threshold for at least one second flow mapped to that first flow. The access terminal determines whether each first flow is inactive based on the inactivity timer threshold for that first flow, e.g., declares each first flow to be inactive if no activity is detected on that first flow for a period exceeding the inactivity timer threshold. The access terminal closes the radio connection when all first flow(s) are determined to be inactive.
Abstract translation: 描述使用动态不活动定时器阈值检测服务结束的技术。 接入终端为一个或多个应用建立无线电连接。 用于应用的数据和信令可以在可携带任何数量的第二流（例如，IP流）的一个或多个第一流（例如，RLP流）上发送。 接入终端例如基于映射到该第一流的至少一个第二流的至少一个不活动定时器阈值来确定每个第一流的动态不活动定时器阈值。 接入终端基于该第一流的不活动定时器阈值来确定每个第一流是否不活动，例如，如果在超过非活动定时器阈值的时间段内在该第一流上没有检测到活动，则将每个第一流声明为不活动。 当所有第一流被确定为不活动时，接入终端关闭无线电连接。
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Patent Agency Ranking
公开(公告)号：US09094462B2
公开(公告)日：2015-07-28
申请号：US13182236
申请日：2011-07-13
Applicant: Suli Zhao , Srinivasan Balasubramanian , Ajith T. Payyappilly
Inventor： Suli Zhao , Srinivasan Balasubramanian , Ajith T. Payyappilly
CPC classification number: H04L61/2517 , H04L61/2514 , H04L61/2575 , H04L61/2585 , H04L69/161 , H04L69/326
Abstract: Certain aspects of the present disclosure provide techniques for wireless communications, wherein distinct port partitions are assigned to processing entities on a user equipment device. Doing so provides the processing entities with concurrent access to the single PDN connection.
Abstract translation: 本公开的某些方面提供了用于无线通信的技术，其中将不同端口分区分配给用户设备设备上的处理实体。 这样做为处理实体提供对单个PDN连接的并发访问。
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公开(公告)号：US08780965B2
公开(公告)日：2014-07-15
申请号：US13172147
申请日：2011-06-29
Applicant: Suli Zhao , Ajith T. Payyappilly , Vaibhav Kumar
Inventor： Suli Zhao , Ajith T. Payyappilly , Vaibhav Kumar
Abstract: A method for inter-modem coordination is described. A first data connection to a network in a first network coverage area using a first air interface provided by a first modem is established. The method also includes detecting a second network coverage area with a second air interface provided by a second modem. A data call state of the second modem is determined by the first modem. The first data connection to the network by the first modem is terminated when the data call state of the second modem is no data call. A data call state of the first modem is determined by the second modem. A second data connection to the network using the second air interface provided by the second modem is initiated when the data call state of the first modem is no data call.
Abstract translation: 描述了调制解调器协调的方法。 建立使用由第一调制解调器提供的第一空中接口的第一网络覆盖区域中的网络的第一数据连接。 该方法还包括利用由第二调制解调器提供的第二空中接口来检测第二网络覆盖区域。 第二调制解调器的数据呼叫状态由第一调制解调器确定。 当第二调制解调器的数据呼叫状态没有数据呼叫时，由第一调制解调器到网络的第一数据连接被终止。 第一调制解调器的数据呼叫状态由第二调制解调器确定。 当第一调制解调器的数据呼叫状态不是数据呼叫时，开始使用由第二调制解调器提供的第二空中接口到网络的第二数据连接。
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18.发明申请COEXISTENCE OF USER EQUIPMENT INITIATED AND NETWORK INITIATED QUALITY OF SERVICE FLOWS 审中-公开用户设备启动和网络启动质量服务流的共同点公开(公告)号：US20120198081A1
公开(公告)日：2012-08-02
申请号：US13358230
申请日：2012-01-25
Applicant: Suli Zhao , Srinivasan Balasubramanian , Ajith T. Payyappilly
Inventor： Suli Zhao , Srinivasan Balasubramanian , Ajith T. Payyappilly
CPC classification number: H04L47/767 , H04L47/765 , H04L47/803 , H04L47/805 , H04L47/824 , H04W76/12 , H04W76/22
Abstract: Systems, methods and apparatus for quality of service (QoS) flows in a communication system are provided. In one aspect a method is providing for establishing a QoS flow for an application in a user equipment device. The method includes receiving QoS information from one of an application and a network. The method further includes establishing a QoS communication flow for the application based on the received information. The method also includes receiving QoS information from the other of the application and the network and modifying the established QoS communication flow based on the additional information.
Abstract translation: 提供了一种通信系统中用于服务质量（QoS）流的系统，方法和装置。 在一个方面，一种方法是提供用于在用户设备设备中为应用建立QoS流。 该方法包括从应用和网络之一接收QoS信息。 该方法还包括基于所接收的信息为应用建立QoS通信流。 该方法还包括从应用和网络中的另一个接收QoS信息，并且基于附加信息修改所建立的QoS通信流。
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19.发明授权公开(公告)号：US08218530B2
公开(公告)日：2012-07-10
申请号：US11478417
申请日：2006-06-28
Applicant: Ajith T. Payyappilly , Rajeev S. Kurundkar , Sriram Nagesh Nookala , Vipin A. Sali
Inventor： Ajith T. Payyappilly , Rajeev S. Kurundkar , Sriram Nagesh Nookala , Vipin A. Sali
CPC classification number: H04W76/22 , H04W36/0011 , H04W36/26
Abstract: More seamless handoff between access networks is achieved by saving session information for each access network upon being handed off from the access network and invoking the saved session information upon being handed back to the access network. An access terminal establishes a first session with a first access network, which may entail performing QoS negotiation with the first access network and setting up packet filters at a packet data gateway. The access terminal exchanges data with the first access network in accordance with the configuration of the first session. The access terminal saves the first session configuration after being handed off to a second access network, establishes a second session with the second access network, and exchanges data with the second access network in accordance with the configuration of the second session. The access terminal uses the saved first session configuration upon being handed back to the first access network.
Abstract translation: 通过在从接入网络切换时保存每个接入网络的会话信息并且在被递送到接入网络时调用保存的会话信息来实现接入网络之间的更无缝切换。 接入终端与第一接入网建立第一会话，可能需要与第一接入网进行QoS协商，并在分组数据网关建立分组过滤。 接入终端根据第一会话的配置与第一接入网络交换数据。 接入终端在切换到第二接入网络之后保存第一会话配置，与第二接入网建立第二会话，并根据第二会话的配置与第二接入网交换数据。 接入终端在被切回到第一接入网络时使用保存的第一会话配置。
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公开(公告)号：US20100177629A1
公开(公告)日：2010-07-15
申请号：US12621062
申请日：2009-11-18
Applicant: Ajith T. Payyappilly , Srinivasan Balasubramanian
Inventor： Ajith T. Payyappilly , Srinivasan Balasubramanian
CPC classification number: H04W76/027 , H04W28/04 , H04W36/0066 , H04W60/02 , H04W76/18 , H04W76/19
Abstract: A wireless communications device is configured to establish a radio level session with a network at a relatively high or highest protocol level among a plurality of protocol levels supported. Upon failures in establishing, or during, a network level data session, the radio level session is closed. Thereafter, the device re-attempts to establish the network level session at a lower, fallback protocol level, by pretending it is a legacy device incapable of supporting the high protocol level. In this manner, the network is likely to follow a different procedure in establishing data communications, whereby an error that caused the failure is less likely to be repeated. As examples, error conditions in eHRPD data sessions result in fallback to HRPD or 1xRTT data sessions. A network based alternative embodiment implements protocol fallback via appropriate fallback instructions to the wireless device.
Abstract translation: 无线通信设备被配置为在所支持的多个协议级别中的相对较高或最高协议级别与网络建立无线电级会话。 在建立或在网络级数据会话期间发生故障时，关闭无线电级别会话。 此后，设备重新尝试以较低的回退协议级别建立网络级会话，假设它是不能支持高协议级别的传统设备。 以这种方式，网络可能遵循建立数据通信的不同过程，由此导致故障的错误不太可能被重复。 作为示例，eHRPD数据会话中的错误条件导致HRPD或1xRTT数据会话的回退。 基于网络的替代实施例通过适当的回退指令实现到无线设备的协议回退。
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