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    • 12. 发明授权
    • Data link layer tunneling technique for high-speed data in a noisy wireless environment
    • 数据链路层隧道技术,用于嘈杂无线环境中的高速数据
    • US08407548B2
    • 2013-03-26
    • US13546533
    • 2012-07-11
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • H04L1/18
    • H04W28/06H04L1/1848H04L1/188H04L1/189
    • A data link layer tunneling technique improves the throughput of high speed data in noisy wireless environments. Recovering lost frames transmitted between a packet sending unit and a packet receiving unit in a data communications system generally comprises (a) identifying a failure to successfully receive a missed frame at the packet receiving unit; (b) establishing a logical tunnel channel at the packet receiving unit to acknowledge the next successfully received frame; (c) starting a first timer at the packet receiving unit; (c) upon receiving a tunnel establishment request from the packet receiving unit, the packet sending unit resending the missed frame on the logical tunnel channel and starting a second timer; and (d) the packet sending unit resending the missed frame a specified number of times until receiving an acknowledgement from the packet receiving unit.
    • 数据链路层隧道技术提高了嘈杂无线环境中高速数据的吞吐量。 恢复在数据通信系统中的分组发送单元与分组接收单元之间发送的丢失的帧通常包括(a)识别在分组接收单元处成功接收丢失帧的失败; (b)在分组接收单元处建立逻辑隧道信道以确认下一个成功接收的帧; (c)在分组接收单元处启动第一定时器; (c)在从所述分组接收单元接收到隧道建立请求后,所述分组发送单元重新发送所述逻辑隧道信道上的所述丢失帧并启动第二定时器; 和(d)分组发送单元重新发送丢失的帧指定的次数,直到从分组接收单元接收到确认。
    • 13. 发明申请
    • Data Link Layer Tunneling Technique for High-Speed Data in a Noisy Wireless Environment
    • 数据链路层隧道技术在嘈杂无线环境中的高速数据
    • US20080235553A1
    • 2008-09-25
    • US12131636
    • 2008-06-02
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • G06F11/14G06F11/07
    • H04W28/06H04L1/1848H04L1/188H04L1/189
    • In accordance with the invention, a data link layer tunneling technique is disclosed for improving the throughput of high speed data in noisy wireless environments. The method for recovering lost frames transmitted between a packet sending unit and a packet receiving unit in a data communications system, and generally comprises the steps of: (a) identifying a failure to successfully receive a missed frame at the packet receiving unit; (b) establishing a logical tunnel channel at the packet receiving unit to acknowledge the next successfully received frame; (c) starting a first timer at the packet receiving unit; (c) upon receiving a tunnel establishment request from the packet receiving unit, the packet sending unit resending the missed frame on the logical tunnel channel and starting a second timer; and (d) the packet sending unit resending the missed frame a specified number of times until receiving an acknowledgement from the packet receiving unit.
    • 根据本发明,公开了一种用于在嘈杂的无线环境中提高高速数据的吞吐量的数据链路层隧道技术。 一种用于恢复在数据通信系统中的分组发送单元与分组接收单元之间发送的丢失帧的方法,并且通常包括以下步骤:(a)识别在分组接收单元处成功接收丢失帧的故障; (b)在分组接收单元处建立逻辑隧道信道以确认下一个成功接收的帧; (c)在分组接收单元处启动第一定时器; (d)在从所述分组接收单元接收到隧道建立请求后,所述分组发送单元重新发送所述逻辑隧道信道上的所述丢失帧,并启动第二定时器; 以及(e)所述分组发送单元重新发送所述错过帧指定的次数,直到从所述分组接收单元接收到确认。
    • 14. 发明授权
    • Methods and apparatus for dynamically assigning time slots in a wireless communication system
    • 在无线通信系统中动态分配时隙的方法和装置
    • US07161922B2
    • 2007-01-09
    • US10917825
    • 2004-08-13
    • David B. GibbonsEamonn GormleyLiang A. HongElliott HooleKamyar Moinzadeh
    • David B. GibbonsEamonn GormleyLiang A. HongElliott HooleKamyar Moinzadeh
    • H04J1/16
    • H04W72/0446H04W24/10H04W72/02H04W74/00
    • A wireless communication system having a base unit and a plurality of remote transceiver units utilizes a dynamic time slot assignment scheme for channel access. The base unit receives and processes a channel access request message from a remote transceiver unit and prepares a channel measurement request message in response. If an Mth time slot of a time frame is available, the base unit sends this message in the Mth time slot and receives a message having channel measurement data in the Mth time slot of the next time frame. On the other hand, if the Mth time slot of the time frame is already reserved, the base unit sends the message in an Nth time slot of the time frame and receives a message having the channel measurement data in the Nth time slot of the next time frame. The base unit selects, based on the channel measurement data, an appropriate channel for communication for the remote transceiver unit. Continuing with use of the dynamic slot assignment, the base unit sends a message having a channel identifier associated with the selected channel and receives an acknowledgement from the remote transceiver unit in response.
    • 具有基本单元和多个远程收发器单元的无线通信系统利用用于信道接入的动态时隙分配方案。 基站单元从远程收发器单元接收并处理信道接入请求消息,并准备响应的信道测量请求消息。 如果时间段的第时隙可用,则基站单元在第M 时隙中发送该消息,并接收具有M个信道测量数据的消息 下一个时间段的 th 时隙。 另一方面,如果时间帧的第M个时隙已被保留,则基本单元在时间帧的第N个时隙发送该消息,并且 在下一个时间帧的第N 时隙中接收具有频道测量数据的消息。 基站单元基于信道测量数据选择用于远程收发器单元的通信的适当信道。 继续使用动态时隙分配,基本单元发送具有与所选择的信道相关联的信道标识符的消息,并作出响应从远程收发器单元接收确认。
    • 17. 发明授权
    • Method for improving efficiency in a time sharing network
    • 提高分时网络效率的方法
    • US07889704B2
    • 2011-02-15
    • US11169703
    • 2005-06-30
    • Liang A. Hong
    • Liang A. Hong
    • H04B7/212H04L12/43
    • H04W48/08H04W24/00H04W28/06H04W74/02H04W74/04H04W74/0841
    • The present invention provides methods for improving the performance and efficiency of time sharing wireless networks by reducing collisions, eliminating wasted bandwidth caused by unnecessary gaps between transmissions, and reducing the amount of control information broadcast from the base station. The present invention accomplishes this by synchronizing the actions of the remote units in the wireless network to the control messages sent by the base unit and having the base unit compensate for the inherent system latency in determining when control messages should be sent. The present invention also consolidates the functionality of some of the control messages in order to reduce bandwidth usage.
    • 本发明提供了通过减少冲突来改善时间共享无线网络的性能和效率的方法,消除了由传输之间的不必要的间隙引起的浪费的带宽,并且减少了从基站广播的控制信息的数量。 本发明通过将无线网络中的远程单元的动作与由基本单元发送的控制消息进行同步,并且在确定何时应当发送控制消息时,使基本单元补偿固有的系统延迟来实现这一点。 本发明还整合了一些控制消息的功能,以便减少带宽使用。
    • 18. 发明授权
    • Data link layer tunneling technique for high-speed data in a noisy wireless environment
    • 数据链路层隧道技术,用于嘈杂无线环境中的高速数据
    • US07395481B2
    • 2008-07-01
    • US10767246
    • 2004-01-28
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • G08C25/02H04L1/18
    • H04W28/06H04L1/1848H04L1/188H04L1/189
    • In accordance with the invention, a data link layer tunneling technique is disclosed for improving the throughput of high speed data in a noisy wireless environment. The method for recovering lost frames transmitted between a packet sending unit and a packet receiving unit in a data communications system, and generally comprises the steps of: (a) identifying a failure to successfully receive a missed frame at the packet receiving unit; (b) establishing a logical tunnel channel at the packet receiving unit to acknowledge the next successfully received frame; (c) starting a first timer at the packet receiving unit; (c) upon receiving a tunnel establishment request from the packet receiving unit, the packet sending unit resending the missed frame on the logical tunnel channel and starting a second timer; and (d) the packet sending unit resending the missed frame a specified number of times until receiving an acknowledgement from the packet receiving unit.
    • 根据本发明,公开了一种数据链路层隧道技术,用于在嘈杂的无线环境中提高高速数据的吞吐量。 一种用于恢复在数据通信系统中的分组发送单元与分组接收单元之间发送的丢失帧的方法,并且通常包括以下步骤:(a)识别在分组接收单元处成功接收丢失帧的故障; (b)在分组接收单元处建立逻辑隧道信道以确认下一个成功接收的帧; (c)在分组接收单元处启动第一定时器; (d)在从所述分组接收单元接收到隧道建立请求后,所述分组发送单元重新发送所述逻辑隧道信道上的所述丢失帧,并启动第二定时器; 以及(e)所述分组发送单元重新发送所述错过帧指定的次数,直到从所述分组接收单元接收到确认。
    • 20. 发明申请
    • Data Link Layer Tunneling Technique for High-Speed Data in a Noisy Wireless Environment
    • 数据链路层隧道技术在嘈杂无线环境中的高速数据
    • US20120275308A1
    • 2012-11-01
    • US13546533
    • 2012-07-11
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • Lakshmana Rao ChintadaLiang A. HongKamyar Moinzadeh
    • H04W24/00
    • H04W28/06H04L1/1848H04L1/188H04L1/189
    • A data link layer tunneling technique improves the throughput of high speed data in noisy wireless environments. Recovering lost frames transmitted between a packet sending unit and a packet receiving unit in a data communications system generally comprises (a) identifying a failure to successfully receive a missed frame at the packet receiving unit; (b) establishing a logical tunnel channel at the packet receiving unit to acknowledge the next successfully received frame; (c) starting a first timer at the packet receiving unit; (c) upon receiving a tunnel establishment request from the packet receiving unit, the packet sending unit resending the missed frame on the logical tunnel channel and starting a second timer; and (d) the packet sending unit resending the missed frame a specified number of times until receiving an acknowledgement from the packet receiving unit.
    • 数据链路层隧道技术提高了嘈杂无线环境中高速数据的吞吐量。 恢复在数据通信系统中的分组发送单元与分组接收单元之间发送的丢失的帧通常包括(a)识别在分组接收单元处成功接收丢失帧的失败; (b)在分组接收单元处建立逻辑隧道信道以确认下一个成功接收的帧; (c)在分组接收单元处启动第一定时器; (d)在从所述分组接收单元接收到隧道建立请求后,所述分组发送单元重新发送所述逻辑隧道信道上的所述丢失帧,并启动第二定时器; 以及(e)所述分组发送单元重新发送所述错过帧指定的次数,直到从所述分组接收单元接收到确认。