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    • 71. 发明授权
    • Methods and apparatus for selecting a wireless network based on quality of service (QoS) criteria associated with an application
    • 基于与应用相关联的服务质量(QoS)标准来选择无线网络的方法和装置
    • US08214536B2
    • 2012-07-03
    • US11940050
    • 2007-11-14
    • Wen Zhao
    • Wen Zhao
    • G06F15/16G06F15/167G06F15/177G06F15/173H04L12/28H04W4/00
    • H04W76/02H04W48/18H04W76/10
    • In one illustrative example, a mobile communication device has a plurality of software applications including an Internet browser application, an electronic mail (e-mail) communication application, and an audio or video player application. The mobile device is adapted to receive, from wireless communication networks or through use thereof, available quality of service data for the wireless networks and store the corresponding data in association with each network identification. The available quality of service data includes at least a bandwidth criterion and a delay criterion associated with each wireless network. For each one of the software applications, the mobile device is adapted to execute the software application; identify, based on the stored quality of service data, one or more wireless networks having a bandwidth criterion and a delay criterion that best match a bandwidth requirement and a delay requirement, respectively, of the executed software application; and select, based on the identifying, an available wireless network for communication using the executed software application.
    • 在一个说明性示例中,移动通信设备具有包括因特网浏览器应用,电子邮件(电子邮件)通信应用以及音频或视频播放器应用的多个软件应用。 移动设备适于从无线通信网络或通过其使用接收无线网络的可用服务质量数据,并且与每个网络标识相关联地存储相应的数据。 可用的服务质量数据至少包括带宽标准和与每个无线网络相关联的延迟准则。 对于每个软件应用,移动设备适于执行软件应用; 基于所存储的服务质量信息识别具有与所执行的软件应用程序分别最佳匹配带宽要求和延迟要求的带宽标准和延迟标准的一个或多个无线网络; 并且基于所述识别来选择使用所执行的软件应用的用于通信的可用无线网络。
    • 74. 发明授权
    • Methods and apparatus for providing PTT data buffering support indications from mobile devices and PTT data buffering control by wireless networks
    • 用于提供PTT数据缓冲的方法和装置支持来自移动设备的指示和无线网络的PTT数据缓冲控制
    • US08041376B2
    • 2011-10-18
    • US11182140
    • 2005-07-15
    • Andrew AllenXin JinWen Zhao
    • Andrew AllenXin JinWen Zhao
    • H04B7/00
    • H04W4/10H04W76/45
    • In one illustrative example of the present application, a mobile communication device has one or more processors, a wireless transceiver adapted to provide communications through a wireless communication network, and a buffer memory for use in buffering a Push-To-Talk (PTT) communication from the mobile communication device. The one or more processors are operative to produce a mobile device indication message which indicates the mobile device's support for buffering of the PTT communication. This message is transmitted by the wireless transceiver to a PTT service entity through the wireless network. The one or more processors may be further operative to receive, from the PTT service entity through the wireless network, a network indication message which instructs the mobile device whether to use buffering for the PTT communication. The mobile device may use the buffer memory for the buffering of the PTT communication based on the network indication message from the PTT service entity.
    • 在本申请的一个说明性示例中,移动通信设备具有一个或多个处理器,适于通过无线通信网络提供通信的无线收发器和用于缓冲一键通(PTT)通信的缓冲存储器 从移动通信设备。 一个或多个处理器可操作地产生指示移动设备对PTT通信的缓冲的支持的移动设备指示消息。 该消息由无线收发器通过无线网络传输到PTT服务实体。 一个或多个处理器可以进一步操作以从PTT服务实体通过无线网络接收指示移动设备是否对PTT通信使用缓冲的网络指示消息。 移动设备可以使用缓冲存储器来基于来自PTT服务实体的网络指示消息来缓存PTT通信。
    • 75. 发明授权
    • Cellular communications system with mobile cellular device battery saving features based upon quality of service and access denial and related methods
    • 基于移动蜂窝设备电池节省功能的蜂窝通信系统基于服务质量和访问拒绝以及相关方法
    • US08010123B2
    • 2011-08-30
    • US10787550
    • 2004-02-26
    • Wen ZhaoKenneth J. LiangJin Kim
    • Wen ZhaoKenneth J. LiangJin Kim
    • H04W72/00H04W4/00
    • H04W74/006H04W28/24H04W52/0216H04W72/14H04W74/08Y02D70/1222Y02D70/1224Y02D70/144
    • A cellular communications system may include at least one base station selectively denying attempts to establish wireless communications links therewith, and wirelessly transmitting denial messages for denied attempts. The system may further include at least one mobile cellular communications device including a wireless transceiver and a controller cooperating therewith for attempting to establish a wireless communications link with the at least one base station having a quality of service (QoS) level associated therewith. If a denial message is received, the controller continues to attempt to establish the wireless communications link at a first attempt rate. Yet, if the wireless communications link cannot be established with the desired QoS level, and if no denial message is received, then the controller continues to attempt to establish the wireless communications link at a second attempt rate different than the first attempt rate.
    • 蜂窝通信系统可以包括至少一个基站选择性地拒绝与其建立无线通信链路的尝试,以及无线地发送拒绝尝试的拒绝消息。 该系统还可以包括至少一个移动蜂窝通信设备,其包括无线收发机和与其配合的控制器,用于尝试建立与具有与其相关联的服务质量(QoS)级别的至少一个基站的无线通信链路。 如果接收到拒绝消息,则控制器继续尝试以第一尝试速率建立无线通信链路。 然而,如果无法使用期望的QoS等级来建立无线通信链路,并且如果没有接收到拒绝消息,则控制器继续尝试以与第一尝试速率不同的第二尝试速率建立无线通信链路。
    • 77. 发明申请
    • METHOD AND APPARATUS FOR SOLICITING CONNECTIVITY FROM WIRELESS DATA NETWORKS
    • 用于从无线数据网络中解决连接的方法和装置
    • US20110013535A1
    • 2011-01-20
    • US12892450
    • 2010-09-28
    • Wen Zhao
    • Wen Zhao
    • H04W24/00H04J3/16H04W72/04H04W76/00
    • H04W76/20
    • According to the embodiments of the techniques of this application, a wireless data device or other data node sends solicitation messages periodically to a wireless gateway, such as a PDSN, when there is no data traffic between the wireless data device and a wireless data network. Each solicitation message resets the simple IP inactivity timer on the wireless gateway. When multiple wireless data devices send solicitation messages, the interval between subsequent transmissions of solicitation messages is randomised to reduce the probability of collision with the solicitations from other devices on the same wireless link. The solicitation timer, for instance, may be based on the simple IP inactivity timer setting on the wireless network, and the number of wireless data devices that the wireless data network serves. Expiration of the solicitation timer at the wireless data device or other data node causes the next solicitation message to be sent from or on behalf of the wireless data device.
    • 根据本申请的技术的实施例,当无线数据设备和无线数据网络之间没有数据业务时,无线数据设备或其他数据节点周期性地向无线网关(例如PDSN)发送请求消息。 每个请求消息复位无线网关上的简单IP不活动定时器。 当多个无线数据设备发送请求消息时,随机发送请求消息的后续传输间隔,以减少与同一无线链路上的其他设备的请求相冲突的概率。 例如,请求定时器可以基于无线网络上的简单IP不活动定时器设置,以及无线数据网络服务的无线数据设备的数量。 在无线数据设备或其他数据节点处的请求定时器的到期导致下一个请求消息从无线数据设备或代表无线数据设备发送。
    • 79. 发明申请
    • SYSTEM AND METHOD OF WIRELESS DEVICE ACTIVITY MESSAGING
    • 无线设备活动消息的系统和方法
    • US20100309898A1
    • 2010-12-09
    • US12858987
    • 2010-08-18
    • Wen ZhaoXin JinMuhammad Khaledul IslamHaining Zhang
    • Wen ZhaoXin JinMuhammad Khaledul IslamHaining Zhang
    • H04W4/00
    • H04L67/26H04L67/04H04L69/22H04W4/20H04W8/22
    • A method and system of reachability indication between a wireless device and at least one push server, the method comprising the steps of: sending device status information from the wireless device to the at least one push server; and receiving the status information at the at least one push server; wherein the at least one push server is enabled to selectively start and stop serving the wireless device on the basis of the status information. The method further comprises sending status information to a packet data serving node that stores a list of push servers associated with a wireless device, and having the packet data serving node forward the status information to the push server. The system and method further includes selectively starting and stopping the serving of the wireless device by the push server during a voice call.
    • 一种在无线设备与至少一个推送服务器之间的可达性指示的方法和系统,所述方法包括以下步骤:将设备状态信息从所述无线设备发送到所述至少一个推送服务器; 以及在所述至少一个推送服务器处接收所述状态信息; 其中所述至少一个推送服务器能够基于所述状态信息选择性地启动和停止服务所述无线设备。 该方法还包括向存储与无线设备相关联的推送服务器的列表的分组数据服务节点发送状态信息,并且使分组数据服务节点将状态信息转发到推送服务器。 该系统和方法还包括在语音呼叫期间选择性地启动和停止推送服务器对无线设备的服务。
    • 80. 发明授权
    • Methods and apparatus for the immediate acceptance and queuing of voice data for PTT communications
    • 用于PTT通信的语音数据的立即接受和排队的方法和装置
    • US07697950B2
    • 2010-04-13
    • US11866715
    • 2007-10-03
    • Xin JinWen Zhao
    • Xin JinWen Zhao
    • H04B7/00H04Q7/20
    • H04W4/10H04W76/45
    • In one illustrative example, a mobile station includes a wireless transceiver; a user interface including a Push-To-Talk (PTT) switch for initiating a PTT voice communication and a microphone for receiving voice input signals; one or more processors; and a First-In-First-Out (FIFO) buffer memory coupled to the one or more processors. The one or more processors are operative to identify a user actuation of the PTT switch and, in response, save digital voice data corresponding to voice input signals in the FIFO buffer memory; cause a request for the PTT voice communication to be made through a wireless network; identify that a floor grant has been received through the wireless network in response to the request; and after identifying the floor grant, cause the digital voice data from the FIFO buffer memory to be retrieved and transmitted to the wireless network for the PTT voice communication. Advantageously, the saving of the digital voice data in the FIFO buffer memory is performed at least in part during a delay time period between the user actuation of the PTT switch and the identifying of the floor grant.
    • 在一个说明性示例中,移动站包括无线收发器; 包括用于发起PTT语音通信的一键通(PTT)开关和用于接收语音输入信号的麦克风的用户界面; 一个或多个处理器; 以及耦合到所述一个或多个处理器的先进先出(FIFO)缓冲存储器。 所述一个或多个处理器用于识别PTT开关的用户致动,并且作为响应,将对应于语音输入信号的数字语音数据保存在FIFO缓冲存储器中; 导致通过无线网络进行PTT语音通信的请求; 确定已经通过无线网络响应于该请求接收到地板授权; 并且在识别出地板许可之后,使来自FIFO缓冲存储器的数字语音数据被检索并发送到无线网络进行PTT语音通信。 有利地,数字语音数据在FIFO缓冲存储器中的保存至少部分地在用户激活PTT开关和识别出地板许可之间的延迟时间段期间进行。