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    • 1. 发明申请
    • A METHOD TO SUPPORT A DISTRIBUTED ERROR CORRECTION CODE
    • 支持分布式错误修正代码的方法
    • WO2007054872A1
    • 2007-05-18
    • PCT/IB2006/054108
    • 2006-11-03
    • KONINKLIJKE PHILIPS ELECTRONICS, N.V.U.S. PHILIPS CORPORATIONMAX, Gustaf SebastianHIERTZ, GuidoZANG, YunpengHABETHA, Joerg
    • MAX, Gustaf SebastianHIERTZ, GuidoZANG, YunpengHABETHA, Joerg
    • H04L1/00H04L1/06
    • H04L1/0075H04L1/0083H04W84/12H04W84/18
    • Each node (42) or station in a wireless ad hoc multi hop network (40) uses an ECC generator polynomial that is probabilistically different from an ECC generator polynomial that is used in a neighboring node (72) when a frame (72 88) is being prepared for transmission. Further more, the data or cargo portion (76) of a data frame that is being prepared for transmission may be shifted by a determined amount prior to an ECC generator polynomial is used generate the ECC for the frame. A field in the data frame, either in the header or footer of the data frame, provides information to the receiving nod (48) about the ECC generator polynomial that was used in the transmitting nod and/or the amount of the data in the cargo portion of data frame is shifted. Although various embodiments of the method and apparatus of the present invention have been illustrated in the accompanying Drawings and described in the foregoing Detailed Description, it will be understood that the invention is not limited to the embodiments disclosed, but is capable of numerous rearrangements, modifications and substitutions without departing from the scope of the invention as set forth herein.
    • 无线自组织多跳网络(40)中的每个节点(42)或台站使用ECC生成多项式,当帧(7288)是(72))时,与其相邻节点(72)中使用的ECC生成多项式概率不同 准备传播。 此外,正在准备传输的数据帧的数据或货物部分(76)可以在使用ECC生成多项式生成用于该帧的ECC之前移位确定的量。 数据帧中的数据帧中的一个字段,在数据帧的头部或页脚中提供关于在发送点和/或货物数据量中使用的ECC生成多项式的接收点(48)的信息 数据帧的一部分被移位。 尽管已经在附图中示出并在前面的具体实施方式中描述了本发明的方法和装置的各种实施例,但是应当理解,本发明不限于所公开的实施例,而是能够进行多种重新布置,修改 和替换,而不脱离本文所阐述的本发明的范围。
    • 8. 发明申请
    • MULTIPLE RECEIVER AGGREGATION (MRA) WITH DIFFERENT DATA RATES FOR IEEE 802.11N
    • 具有不同数据速率的多接收机集成(MRA),适用于IEEE 802.11N
    • WO2005112355A1
    • 2005-11-24
    • PCT/IB2005/051568
    • 2005-05-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.OTAL, BegonyaHABETHA, JoergDALMASES, FrancescLI, Pen C.GHOSH, Monisha
    • OTAL, BegonyaHABETHA, JoergDALMASES, FrancescLI, Pen C.GHOSH, Monisha
    • H04L12/28
    • H04W28/06H04W48/08H04W52/0216H04W52/0219H04W64/00H04W84/12Y02D70/142
    • Method, frame definitions (300, 400, 500, 700, 800, 1000, 1200, 1300, 1400) and system for transmission of an aggregation of packets which includes a plurality of Medium Access Control (MAC) Protocol Units (MPDUs) or PLCP (Physical Layer Convergence Protocol) Protocol Data Units (PPDUs) intended for one or several receivers and transmitted at one or several different Physical (PHY) rates. In some aspects of the invention, a preamble, rsp.mid-amble (415.i, 515.i, 715.i, 815.i, 1015.i, 1215.i, 1315.i) is transmitted in-between each or between multiples of MPDUs or PPDUs allowing receiver devices to go into sleep mode and wake-up during the aggregate or packet burst. Furthermore, information is transmitted at the beginning of the aggregate/packet burst, which allows devices to deduce the position of MPDUs/PPDUs or multiples of MPDUs/PPDUs in the aggregate. MPDUs or PPDUs are grouped in order to enable efficient sleep times of the receiving devices. The receiving devices decode the information at the beginning of the aggregate/burst, fall into sleep-mode and wake up shortly before their packets have to be received.
    • 方法,帧定义(300,400,500,700,800,1000,12200,1300,1400)以及用于传输分组聚合的系统,包括多个媒体接入控制(MAC)协议单元(MPDU)或PLCP (物理层汇聚协议)协议数据单元(PPDU),用于一个或多个接收机,并以一个或多个不同的物理(PHY)速率传输。 在本发明的一些方面,前导码rsp.mid-amble(415.i,515.i,715.i,815.i,1015.i,1215.i,1315.i)在每个 或在MPDU或PPDU之间的多个之间,允许接收机设备进入睡眠模式并在聚合或分组突发期间唤醒。 此外,在聚合/分组突发的开始处发送信息,这允许设备推断MPDU / PPDU的位置或MPDU / PPDU的倍数。 MPDU或PPDU被分组以便实现接收设备的有效睡眠时间。 接收设备在聚合/突发的开始处对信息进行解码,在分组必须被接收之前不久就会进入休眠模式并唤醒。