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    • 2. 发明申请
    • METHOD AND APPARATUS FOR LAYER 2 ARQ FOR PACKETS
    • 用于分组的层2 ARQ的方法和装置
    • US20080279171A1
    • 2008-11-13
    • US12117868
    • 2008-05-09
    • Seong-Hun KIMGert Jan Van LieshoutHimke Van Der Velde
    • Seong-Hun KIMGert Jan Van LieshoutHimke Van Der Velde
    • H04J3/16
    • H04W72/044H04L1/1685H04L1/1854H04L1/1858H04L1/1883H04W28/06H04W80/02H04W80/06
    • An Automatic Repeat reQuest (ARQ) method in a communication system having a protocol layer structure, in which a Layer 2 (L2) transmitter for generating an upper layer packet in a size suitable for transmission over a radio channel and transmitting the upper layer packet to a lower layer, transmits, to a receiver, polling information representative of an indicator for ordering the generation of a status report, and performs packet ARQ according to whether the status report is received within a predetermined time. The method includes determining whether there is a possibility that upper layer data contained in a packet data unit to be transmitted along with the polling information will cause an upper layer message in the opposite direction; and when there is a possibility that the upper layer data will cause an upper layer message, generating polling information ordering a receiver to wait for a predetermined time after receipt of a packet and to transmit an upper layer packet generated for the waiting time along with a status report, including the polling information in the packet data unit, and delivering the packet data unit to the lower layer.
    • 一种具有协议层结构的通信系统中的自动重复请求(ARQ)方法,其中,用于生成适合于通过无线电信道传输的大小的上层分组的二层(L2)发送机,并将上层分组发送到 下层向接收方发送表示用于命令生成状态报告的指示符的轮询信息,并且根据在预定时间内是否接收到状态报告来执行分组ARQ。 该方法包括确定是否存在与轮询信息一起发送的分组数据单元中包含的上层数据是否可能导致相反方向上的上层消息的可能性; 并且当上层数据有可能导致上层消息时,生成轮询信息,排序接收方在接收到分组之后等待预定时间,并且发送等待时间生成的上层分组以及 状态报告,包括分组数据单元中的轮询信息,以及将分组数据单元传送到下层。
    • 5. 发明申请
    • Method and apparatus for transmitting and receiving VOIP packet with UDP checksum in wireless communication system
    • 用于在无线通信系统中发送和接收具有UDP校验和的VOIP分组的方法和装置
    • US20080212566A1
    • 2008-09-04
    • US11525219
    • 2006-09-22
    • Seong-Hun KimGert Jan Van LieshoutHimke Van Der Velde
    • Seong-Hun KimGert Jan Van LieshoutHimke Van Der Velde
    • H04L12/66
    • H04W28/06H04L65/607H04L69/04H04L69/22
    • A method and apparatus for transmitting a voice packet through a radio link in a mobile communication system providing a voice service through a packet network inter-working with the Internet are provided, in which a voice packet based on an Internet protocol (e.g. a VoIP packet) is received, the voice packet comprising headers including a User Datagram Protocol (UDP) checksum; the voice packet is verified by using the UDP checksum, to determine if the voice packet has an error; the headers are compressed to construct a header-compressed packet including the UDP checksum and a Cyclic Redundancy Check (CRC) code calculated for other header fields, except for the UDP checksum from among the headers, when the voice packet has no error, the UDP checksum from the header-compressed packet is deleted to construct a header-compressed packet from which the UDP checksum has been deleted, and the header-compressed packet is transmitted without the UDP checksum through a wireless channel.
    • 提供了一种用于通过与因特网互通的分组网络提供语音服务的移动通信系统中的无线电链路发送语音分组的方法和装置,其中基于因特网协议的语音分组(例如,VoIP分组 ),所述语音分组包括包括用户数据报协议(UDP)校验和的报头; 通过使用UDP校验和来验证语音分组,以确定语音分组是否具有错误; 头部被压缩以构成头部压缩包,包括UDP校验和和为其他标题字段计算的循环冗余校验(CRC)码,除了报头中的UDP校验和之外,当语音数据包没有错误时,UDP 删除来自标头压缩包的校验和,以构建已从其中删除UDP校验和的报头压缩包,并通过无线信道在没有UDP校验和的情况下发送报头压缩包。
    • 9. 发明授权
    • Method for measuring home cell in mobile communication system
    • 移动通信系统中家庭小区测量方法
    • US08923884B2
    • 2014-12-30
    • US13413285
    • 2012-03-06
    • Gert-Jan Van LieshoutHimke Van Der Velde
    • Gert-Jan Van LieshoutHimke Van Der Velde
    • H04W36/04H04W36/32H04W36/30H04W84/04
    • H04W36/32H04W36/04H04W36/30H04W84/045
    • Disclosed is method for measuring a home cell in a mobile telecommunications system, comprising acquiring, at a network, position data indicative of the position of a first user equipment, determining whether the first user equipment is close to the home cell by using the acquired position data, sending a cell measurement control message from the network to the first user equipment via a base station specifying measurements of said home cell, performing a fine position measurement at the first user equipment, determining at the first user equipment whether the first user equipment is close to the home cell, based on said fine position measurement; and taking measurements of said home cell at the first user equipment when the first user equipment is close to the home cell.
    • 公开了一种用于测量移动电信系统中的家庭小区的方法,包括在网络处获取指示第一用户设备的位置的位置数据,通过使用所获取的位置来确定第一用户设备是否靠近家庭小区 数据,经由指定所述家庭小区的测量的基站从网络向第一用户设备发送小区测量控制消息,在第一用户设备处执行精细位置测量,在第一用户设备确定第一用户设备是否为 靠近家庭电池,基于所述精细位置测量; 以及当所述第一用户设备靠近所述家庭小区时,在所述第一用户设备处测量所述家庭小区。