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    • 1. 发明授权
    • Method and apparatus for accelerating throughput in a wireless or other telecommunication system
    • 用于加速无线或其他电信系统中的吞吐量的方法和装置
    • US07263067B2
    • 2007-08-28
    • US10621257
    • 2003-07-15
    • Srinivas SreemanthulaYogesh SwamiKhiem Le
    • Srinivas SreemanthulaYogesh SwamiKhiem Le
    • H04L12/26H04L12/28
    • H04L1/0002H04L1/0015H04L1/1671H04L1/187H04L47/10H04L47/18H04L47/193H04L47/263H04L47/27H04L69/16H04L69/163H04W28/10H04W74/085H04W84/12
    • A method and equipment for accelerating throughput of communication segments from a sender (30) to a receiver (40) each of which include a protocol layer (30a 40a) for providing such segments, the method in case of TCP including a first step (20a) in which the sender protocol layer (30a) initializes a congestion window (cwnd) to some initial size (iwnd) and increases the congestion window by one segment each time it receives an ACK, but upon receiving an indication of low congestion, performs a step (20c) of accelerated start in which it sets a slow start threshold (SSTHRES) to a standard initial value (typically 65535) and re-initializes cwnd to a new value, and the sender protocol layer (30a) then increments cwnd at one or another predetermined rate—depending on whether the start immediately follows a new connection or instead follows a transfer of an existing connection to a new path—in respect to received ACKs.
    • 一种用于加速从发送器(30)到接收器(40)的通信段的吞吐量的方法和设备,每个接收器包括用于提供这样的段的协议层(30a,40a),所述方法在TCP的情况下包括第一步骤 (20a),其中所述发送者协议层(30a)将拥塞窗口(cwnd)初始化为某个初始大小(iwnd),并且每当接收到ACK时将所述拥塞窗口增加一个分段,但是在接收到低的指示时 拥塞,执行加速启动的步骤(20c),其中将慢启动阈值(SSTHRES)设置为标准初始值(通常为65535),并将cwnd重新初始化为新值,并且发送者协议层(30a )然后以一个或另一个预定速率递增cwnd,这取决于开始是否紧跟新连接,或者相反地遵循对现有连接到新路径的传输 - 关于接收的ACK。
    • 3. 发明授权
    • Wireless communications system having built-in packet data compression and support for enabling non-standard features between network elements
    • 具有内置分组数据压缩和支持的无线通信系统支持网元之间的非标准特征
    • US07920590B2
    • 2011-04-05
    • US10194521
    • 2002-07-12
    • Khiem LeYousuf SaifullahYogesh Swami
    • Khiem LeYousuf SaifullahYogesh Swami
    • H04J3/22
    • H04L67/2828H04L69/04H04L69/22H04L69/329
    • A mobile station (100) and a compression/decompression node in a wireless network (5), preferably the GGSN 30 (30), agree on whether to apply compression/decompression, and what compression/decompression scheme to use either by pre-configuration (when the GGSN 30 is in the home network of the mobile terminal) or by signalling (when the GGSN 30 is in a visited or a roamed-to network). Additional information, such as a profile-specific dictionary, may be used to increase the compression efficiency, particularly during start-up. Dynamic data can also be accommodated. The compression/decompression may be turned on and off on a packet-by-packet basis, depending on whether the compression actually results in a smaller packet. A compressed/uncompressed indicator bit or bits can be inserted explicitly on a per packet basis, and/or the compressed/uncompressed indication can be derived implicitly. A desired data compression/decompression algorithm, or any desired Proprietary Feature, can be signaled, possible without requiring standardization changes, by using a Packet Data Protocol PDP Context Activation message with a predetermined Access Point Name (APN) message information element that is sent from a first network element to a second network element for at least identifying the desired compression/decompression algorithm. It another embodiment, for the case where Proprietary Feature capability is exchanged between a RAN and a UE network element, a transmission of an extension to a UE Capability Enquiry message is sent to the UE for identifying the Proprietary Feature.
    • 无线网络(5)中优选地GGSN 30(30)中的移动台(100)和压缩/解压缩节点就是否应用压缩/解压缩以及通过预配置来使用什么压缩/解压缩方案是一致的 (当GGSN 30在移动终端的家庭网络中时)或通过信令(当GGSN 30在访问或漫游到网络中时)。 可以使用附加信息,例如特定于配置文件的字典来提高压缩效率,特别是在启动期间。 也可以适应动态数据。 取决于压缩是否实际导致较小的分组,压缩/解压缩可以逐个分组地打开和关闭。 压缩/未压缩的指示符位可以以每个数据包为基础被明确地插入,和/或可以隐式地导出压缩/未压缩的指示。 通过使用具有预定接入点名称(APN)消息信息元素的分组数据协议PDP上下文激活消息,可以用信号通知所需的数据压缩/解压缩算法或任何期望的专有特征,而不需要标准化改变 用于至少识别所需的压缩/解压缩算法的第二网络元件的第一网络元件。 在另一实施例中,对于在RAN和UE网元之间交换专有特征功能的情况,将向UE功能查询消息的扩展的传输发送给UE以识别专有特征。
    • 9. 发明授权
    • Data communication method, system, and transmitter and receiver constituting the system
    • 数据通信方式,系统,组成系统的发射机和接收机
    • US07028094B2
    • 2006-04-11
    • US10212796
    • 2002-08-07
    • Khiem LeYogesh SwamiNaveen Kakani
    • Khiem LeYogesh SwamiNaveen Kakani
    • G06F15/16
    • H04W36/0011H04L1/1614H04L1/1685H04L1/1838H04L1/1858H04L1/188H04L69/16H04L69/163H04L69/32H04L69/324H04L69/326H04W80/00H04W80/04
    • The present invention concerns a data communication method for communicating packetized data via an interface between a transmitter and a receiver, wherein communication relies on a layered communication protocol stack comprising at least two protocol layers of different hierarchy level, wherein at least data communication on a lower one of the layers adopts a retransmission scheme for data packets for which an acknowledgment of receipt was not received at the transmitter, the method comprising the steps of initializing the retransmission scheme of the lower one of the layers by setting a condition parameter, wherein fulfilling the condition defined by the condition parameter represents an indication as to how to control the retransmission scheme, wherein initializing comprises setting said condition parameter of the lower one of the layers according to information forwarded from the higher one of said layers to the lower one of said layers, transmitting packet data from the transmitter via the interface to the receiver according to the retransmission scheme of the lower one of the layers, detecting that the condition is fulfilled during transmitting, and controlling said retransmission scheme of the lower one of said layers in response to the detecting.
    • 本发明涉及一种用于经由发射机和接收机之间的接口来传送分组化数据的数据通信方法,其中,通信依赖于分层通信协议栈,该分层通信协议栈包括不同层次级别的至少两个协议层,其中至少在较低层上的数据通信 其中一层采用重传方案,用于在发射机处未接收到接收确认的数据分组,该方法包括以下步骤:通过设置条件参数来初始化下一层的重传方案,其中满足 由条件参数定义的条件表示关于如何控制重传方案的指示,其中初始化包括根据从所述层中的较高一层向下一个所述层转发的信息来设置所述层中的下层的条件参数 从发送端发送分组数据 r通过根据下层的重发方式到接收机的接口,检测在发送期间满足条件,并响应于检测来控制下一层的所述重传方案。