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    • 6. 发明申请
    • METHOD AND APPARATUS FOR PACKET TRANSMISSION USING CRC AND EQUAL LENGTH PACKETS
    • 使用CRC和等长长度分组的分组传输的方法和装置
    • WO2008157192A3
    • 2009-03-05
    • PCT/US2008066625
    • 2008-06-12
    • MOTOROLA INCMCBEATH SEAN MBI HAOREED JOHN DSMITH JACK A
    • MCBEATH SEAN MBI HAOREED JOHN DSMITH JACK A
    • H04L1/00
    • H04L1/0057H04L1/0046H04L1/0061
    • The PDCAB packet (300) and the RRA packet (308) are transmitted together on the F-SCCH. For example, 9 RRA bits (305) are appended to the PDCAB field (303), in place of the pad bits (205), thereby allowing both the PDCAB (303) and RRA (311) messages to be protected against errors by a 16-bit CRC (307). In accordance with the embodiments, a receiver is able to distinguish between the varying PDCAB (303) and RRA (305) message formats and transmitting the packets (300) and (308) together is a normal mode of operation in the embodiments. Therefore, in accordance with the embodiments, when the PDCAB packet (300) and RRA packet (308) are transmitted together, the network replaces the N PDCAB pad bits, such as pad bits (205), with the first N bits from the RRA bitmap (311), in order to use the nominal CRC length for both packets (300) and (308).
    • 在F-SCCH上一起发送PDCAB分组(300)和RRA分组(308)。 例如,代替填充比特(205),将9个RRA比特(305)附加到PDCAB字段(303),从而允许PDCAB(303)和RRA(311)消息被保护以防止错误 16位CRC(307)。 根据实施例,接收机能够区分不同的PDCAB(303)和RRA(305)消息格式,并且在实施例中将分组(300)和(308)一起发送为正常的操作模式。 因此,根据实施例,当PDCAB分组(300)和RRA分组(308)一起发送时,网络将N个PDCAB填充比特(诸如填充比特(205))从RRA替换为前N个比特 位图(311),以便为两个分组(300)和(308)使用标称CRC长度。
    • 8. 发明申请
    • APPARATUS AND METHOD FOR DISTINGUISHING A FRAME ON CHANNEL SHARED BY MULTIPLE USERS
    • 用于在由多个用户共享的信道上区分帧的装置和方法
    • WO2005038564B1
    • 2006-09-14
    • PCT/US2004031114
    • 2004-09-23
    • MOTOROLA INCBI HAOMCBEATH SEAN MREED JOHN D
    • BI HAOMCBEATH SEAN MREED JOHN D
    • H04J3/26G06F20060101
    • H04L1/0045H04L1/0041H04L1/0061H04W4/06H04W52/12
    • An apparatus and method of distinguishing a frame on a channel shared by a plurality of users. A unique identifier can be obtained for each of a set of mobile communication devices (315). A message intended for one of the mobile communication devices can be obtained. The message can be scrambled using a long code generated using a mobile communication device specific long code mask to obtain a scrambled message (335). The unique identifier can be incorporated into the scrambled message for a frame intended for a selected mobile communication device (340). The frame can then be transmitted (350). A radio frequency signal can be received for the frame (405). Demodulation can be performed on the signal to obtain a scrambled signal (415). A unique identifier can be extracted from the scrambled signal (420). The unique identifier extracted from the scrambled signal can be examined to determine if the signal is intended for a mobile communication device (445).
    • 一种区分由多个用户共享的信道上的帧的设备和方法。 可以为一组移动通信设备(315)中的每一个获得唯一标识符。 可以获得用于移动通信设备之一的消息。 该消息可以使用使用移动通信设备特定长码掩码生成的长码来加扰以获得加扰消息(335)。 唯一标识符可以被并入打算送给选择的移动通信设备的帧的加扰消息中(340)。 该帧然后可以被发送(350)。 可以为该帧接收射频信号(405)。 可以对该信号执行解调以获得加扰信号(415)。 可以从加扰信号中提取唯一标识符(420)。 可以检查从加扰信号中提取的唯一标识符,以确定该信号是否打算用于移动通信设备(445)。
    • 10. 发明申请
    • APPARATUS AND METHOD FOR DISTINGUISHING A FRAME ON CHANNEL SHARED BY MULTIPLE USERS
    • 多用户共享通道框架的设备和方法
    • WO2005038564A2
    • 2005-04-28
    • PCT/US2004031114
    • 2004-09-23
    • MOTOROLA INCBI HAOMCBEATH SEAN MREED JOHN D
    • BI HAOMCBEATH SEAN MREED JOHN D
    • G06F20060101G06F
    • H04L1/0045H04L1/0041H04L1/0061H04W4/06H04W52/12
    • An apparatus and method of distinguishing a frame on a channel shared by a plurality of users. A unique identifier can be obtained for each of a set of mobile communication devices (315). A message intended for one of the mobile communication devices can be obtained. The message can be scrambled using a long code generated using a mobile communication device specific long code mask to obtain a scrambled message (335). The unique identifier can be incorporated into the scrambled message for a frame intended for a selected mobile communication device (340). The frame can then be transmitted (350). A radio frequency signal can be received for the frame (405). Demodulation can be performed on the signal to obtain a scrambled signal (415). A unique identifier can be extracted from the scrambled signal (420). The unique identifier extracted from the scrambled signal can be examined to determine if the signal is intended for a mobile communication device (445).
    • 用于区分由多个用户共享的频道上的帧的装置和方法。 可以为一组移动通信设备(315)中的每一个获得唯一的标识符。 可以获得旨在用于移动通信设备之一的消息。 可以使用使用移动通信设备特定的长码掩码生成的长码来消息,以获得加扰消息(335)。 唯一标识符可以被合并到用于所选移动通信设备的帧的加扰消息中(340)。 然后可以传送帧(350)。 可以接收帧(405)的射频信号。 可以对信号进行解调以获得加扰信号(415)。 可以从加扰信号提取唯一标识符(420)。 可以检查从加扰信号提取的唯一标识符,以确定信号是否适用于移动通信设备(445)。