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1. 发明公开

EP1453232A4 MULTI-CARRIER TRANSMISSION/RECEPTION APPARATUS 审中-公开
标题翻译：多个车辆发送/接收设备
公开(公告)号：EP1453232A4
公开(公告)日：2011-05-25
申请号：EP02786007
申请日：2002-12-03
申请人： PANASONIC CORP
发明人： MORITA MINORI , SUMASU ATSUSHI
IPC分类号： H04J11/00 , H04B1/707 , H04B7/26 , H04J13/00 , H04L5/02 , H04W48/16 , H04W72/04 , H04W76/02 , H04J13/04
CPC分类号： H04B1/70735 , H04B1/7083 , H04L5/0021 , H04L5/0048 , H04L27/2656
摘要： A multicarrier radio communication technology that enables radio resources to be used effectively, interference to be suppressed, and a cell search to be performed at high speed, in a multicarrier CDMA system. In this technology, a secondary synchronization code (S-SCH signal) for identifying the group of scrambling codes divided into groups beforehand is frequency multiplexed in a plurality of subcarriers. A secondary synchronization code is coded in the time direction. Subcarriers in which a secondary synchronization code is multiplexed are mutually separated and equally spaced. The number of subcarriers in which a secondary synchronization code is multiplexed can be set to a small value with respect to the total number of subcarriers. A secondary synchronization code is an orthogonal code. On the receiving side, a cell search is carried out using such a frequency multiplexed type S-SCH.

2. 发明公开

EP2204919A3 Signal acquisition in peer-to-peer spread-spectrum communications 审中-公开
标题翻译：信号采集在对等网络扩频
公开(公告)号：EP2204919A3
公开(公告)日：2010-10-27
申请号：EP10160484.1
申请日：2005-03-15
申请人： Qualcomm Incorporated
发明人： Quick, Roy Franklin, Jr. , Pfister, Henry David
IPC分类号： H04B1/707 , H04J13/04 , H04W88/08
CPC分类号： H04B1/70756 , H04B1/7075 , H04J13/00 , H04J13/0003 , H04J13/0022
摘要： Methods and mobile stations for transmitting, receiving and processing peer-to-peer communication signals without a base station or network element. A transmitting mobile station may alternate two or more long code masks to generate one or more pseudorandom noise (PN) codes to spread data for transmission. A receiving mobile station receives the spread data and achieves synchronization with the transmitting mobile station.

3. 发明授权

EP1300972B1 CODE DIVISION MULTIPLEX COMMUNICATION SYSTEM AND CODE DIVISION MULTIPLEX COMMUNICATION DEVICE 有权
标题翻译： CODE用通信系统和代码复用通信设备
公开(公告)号：EP1300972B1
公开(公告)日：2010-09-08
申请号：EP00944380.5
申请日：2000-07-11
申请人： FUJITSU LIMITED
发明人： NAKAMURA, Takaharu, Fujitsu Ltd , OBUCHI, Kazuhisa, Fujitsu Ltd , AOKI, Nobuhisa, Fujitsu Ltd
IPC分类号： H04J13/04 , H04B1/707
CPC分类号： H04B1/7103 , H04B2201/709709 , H04J13/16
摘要： A CDMA transmission device, wherein a cross-correlation value for different diffusion code strings used for diffusing respectively a plurality of transmission signals is calculated, and interference segments in diffusion code strings are judged from the calculated cross-correlation value, and the transmission of at least one transmission signal is stopped for the entire or part of diffusion code strings judged to be interference segments or at least one diffusion code string is partially change, thereby reducing interference noises.

4. 发明授权

EP0758168B2 VARIABLE RATE TRANSMITTING METHOD, AND TRANSMITTER AND RECEIVER USING IT 失效
标题翻译：传输可变比特率的方法，并且此二手发送者和接收者
公开(公告)号：EP0758168B2
公开(公告)日：2010-07-07
申请号：EP96903224.2
申请日：1996-02-23
申请人： NTT DoCoMo, Inc.
发明人： OKUMURA, Yukihiko , ADACHI, Fumiyuki , OHNO, Koji, Tomioka-syataku 8-502 , HIGASHI, Akihiro, Hayashi-syataku 3-301
IPC分类号： H04J13/04 , H04L1/00
CPC分类号： H04L1/0046 , H04B1/707 , H04B7/2628 , H04B2201/70703 , H04B2201/70705 , H04J3/14 , H04J3/1682 , H04L1/0002 , H04L1/0007 , H04L1/0009 , H04L1/0013 , H04L1/0025 , H04L1/0032 , H04L1/0038 , H04L1/0039 , H04L1/0059 , H04L1/0061 , H04L1/0063 , H04L1/0071 , H04L1/0079 , H04L1/0086 , H04L1/08 , H04L7/048 , H04L2001/0098 , Y02D50/10
摘要： A variable rate transmission method that can vary the transmission rate of data. A transmitting side supplies a transmitted data sequence to an error detecting encoder (105) and a frame memory (103). The frame memory (103) stores data of a variable length to be transmitted in one frame. The error detecting encoder (105) calculates an error detecting code (such as CRC code) for each frame of the transmitted data. A multiplexer (104) adds the calculated error detecting code ahead of the transmitted data to place it at the initial position of the frame, and sequentially outputs the data sequence frame by frame. A receiving side calculates an error detecting code of the data in each transmitted frame in the same manner as the transmitting side, and compares the calculated error detecting code with the error detecting code at the initial position of the frame. The end bit of the frame data is decided as a position at which the two error detecting codes coincide. This makes it possible to transmit variable length data without informing the receiving side of the data length in each frame. This is equivalent that the transmission rate can be varied freely. A variable rate transmission method that can vary the transmission rate of data. A transmitting side supplies a transmitted data sequence to an error detecting encoder (105) and a frame memory (103). The frame memory (103) stores data of a variable length to be transmitted in one frame. The error detecting encoder (105) calculates an error detecting code (such as CRC code) for each frame of the transmitted data. A multiplexer (104) adds the calculated error detecting code ahead of the transmitted data to place it at the initial position of the frame, and sequentially outputs the data sequence frame by frame. A receiving side calculates an error detecting code of the data in each transmitted frame in the same manner as the transmitting side, and compares the calculated error detecting code with the error detecting code at the initial position of the frame. The end bit of the frame data is decided as a position at which the two error detecting codes coincide. This makes it possible to transmit variable length data without informing the receiving side of the data length in each frame. This is equivalent that the transmission rate can be varied freely.

5. 发明公开

EP2181516A2 METHOD AND APPARATUS FOR ADJUSTING WAVEFORM PARAMETERS FOR AN ADAPTIVE AIR INTERFACE WAVEFORM 审中-公开
标题翻译：方法和设备曲线参数的自适应空中接口曲线调整
公开(公告)号：EP2181516A2
公开(公告)日：2010-05-05
申请号：EP07875063.5
申请日：2007-11-10
申请人： Powerwave Cognition, Inc.
发明人： SEIDEL, Scott, Y. , LIVINGSTON, Jay, N. , FRANCESCHINI, Michael, R. , BREINIG, Robert, J. , PARIS, Bernd-peter
IPC分类号： H04J13/04
CPC分类号： H04L1/0001 , H04L1/0003 , H04L1/0006 , H04L1/0009 , H04L1/0015 , H04L1/0026 , H04L1/206 , H04L2001/0093
摘要： Adjusting parameters of a waveform includes facilitating wireless communication between a transmitting node and receiving nodes, where the transmitting node communicates with a receiving node over a channel. Spectrum conditions are estimated, where a spectrum condition describes spectrum utilization in the vicinity of ρsurrounding nodes. Channel conditions are estimated, where a channel condition describes a channel of the plurality of channels. Waveform parameters are adjusted in response to the spectrum conditions and the channel conditions.

6. 发明公开

EP1444794A4 CDMA WIRELESS SYSTEMS 有权
标题翻译： CDMA无线系统
公开(公告)号：EP1444794A4
公开(公告)日：2010-05-05
申请号：EP02778266
申请日：2002-09-12
申请人： INFINEON TECHNOLOGIES AG
发明人： NAGUIB AYMAN F
IPC分类号： H04J99/00 , H04B1/707 , H04B1/7107 , H04B7/02 , H04B7/06 , H04L1/06 , H04B7/08 , H04J13/04
CPC分类号： H04B1/71072 , H04B7/0615 , H04B7/0669 , H04B7/0697 , H04L1/0618 , H04L1/0631 , H04L1/0643

7. 发明公开

EP2096782A3 Operation of a forward link acknowledgement channel for the reverse link data 审中-公开
标题翻译：用于反向链路数据的前向链路确认信道的操作
公开(公告)号：EP2096782A3
公开(公告)日：2009-12-23
申请号：EP09158870.7
申请日：2003-12-30
申请人： Qualcomm Incorporated
发明人： Sarkar, Sandip , Chen, Tao , Tiedemann, Edward, G., Jr. , Gaal, Peter
IPC分类号： H04L1/18 , H04B7/005 , H03M13/13 , H04L1/00 , H04L1/08 , H04J13/04
CPC分类号： H04L1/1812 , H04B17/24 , H04B17/309 , H04J13/0048 , H04L1/0026 , H04L1/0034 , H04L1/0057 , H04L1/0073 , H04L1/08 , H04L1/1607 , H04L1/1671 , H04L1/1825 , H04L1/1845 , H04L1/1854 , H04L1/1858 , H04L2001/0093 , H04L2001/125 , H04W52/48
摘要： An acknowledgement method in a wireless communication system. Initially, a reverse supplemental channel (R-SCH) frame is received at a base station. The base station then transmits an acknowledgement (ACK) signal if quality of the received R-SCH frame is indicated as being good. A negative acknowledgement (NAK) signal is transmitted only if the received data frame is indicated as being bad but has enough energy such that, if combined with energy from retransmission of the data frame, it would be sufficient to permit correct decoding of the data frame. If the best base station is known, the acknowledgement method may reverse the transmission of the acknowledgement signals for the best base station so that only NAK signal is sent. A positive acknowledgement is assumed in the absence of an acknowledgement. This is done to minimize the transmit power requirements.
Acknowledgement messages may be encoded with a block code, delayed and mixed with a Walsh code or another orthogonal sequence for channelization.
摘要翻译：无线通信系统中的确认方法。最初，在基站处接收反向辅助信道（R-SCH）帧。如果所接收的R-SCH帧的质量被指示为良好，则基站然后发送确认（ACK）信号。仅当接收到的数据帧被指示为坏但具有足够的能量时才发送否定确认（NAK）信号，使得如果与来自数据帧的重传的能量组合，则足以准许数据帧的正确解码。如果最好的基站是已知的，那么确认方法可以反转最佳基站的确认信号的发送，以便只发送NAK信号。在没有确认的情况下假设为肯定。这样做是为了最小化发射功率要求。确认消息可以用分组码编码，延迟并与沃尔什码或用于信道化的另一正交序列混合。

8. 发明公开

EP1563627A4 CHANNEL GAIN ESTIMATION IN A RAKE RECEIVER USING COMPLEX WEIGHT GENERATION (CWG) ALGORITHMS 审中-公开
标题翻译：信道增益估计IN RAKE接收机通过使用与复权重产生算法（CWG）
公开(公告)号：EP1563627A4
公开(公告)日：2009-11-04
申请号：EP03781975
申请日：2003-11-17
申请人： INTERDIGITAL TECH CORP
发明人： LI BIN , REZNIK ALEXANDER
IPC分类号： H04B1/707 , H04L25/02 , H04J13/04
CPC分类号： H04L25/0232 , H04B1/712 , H04B2201/70701

9. 发明授权

EP1220481B1 TRANSMISSION CIRCUIT 有权
标题翻译：新闻传输电路
公开(公告)号：EP1220481B1
公开(公告)日：2009-10-14
申请号：EP00954974.2
申请日：2000-08-24
申请人： NEC CORPORATION
发明人： SHOJI, Takashi, NEC Corporation
IPC分类号： H04J13/04 , H04B7/26
CPC分类号： H04J13/00 , H04B1/707
摘要： This transmission circuit is used in, for example, a base station in CDMA mobile communication. The transmission circuit has a first delay circuit section which gives a delay to an input signal (spread signal) with a predetermined resolution, and a second delay circuit section gives a delay to the output signal of the first delay circuit section with a higher resolution than the predetermined resolution. A control section computes a first delay amount which is a maximum value that does not exceed a predetermined delay amount and can be given by a delay of the predetermined resolution, instructs the first delay circuit section the first delay amount, computes a second delay amount which is the first delay amount subtracted from the predetermined delay amount and instructs the second delay circuit section the second delay amount. By adjusting a transmission timing this way, it is possible to adjust the transmission timing among a plurality of base stations while reducing the circuit scale.

10. 发明授权

EP0921652B1 Orthogonal complex spreading method for multichannel and apparatus thereof 有权
公开(公告)号：EP0921652B1
公开(公告)日：2007-08-15
申请号：EP98308056.5
申请日：1998-10-02
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Bang, Seung Chang , Han, Ki Chul , Shim, Jae Ryong , Kim, Jung Im , Kim, Tae Joong
IPC分类号： H04J13/04 , H04J11/00 , H04B1/707 , H04B7/26
CPC分类号： H04B1/7097 , H04J13/0048 , H04J13/102 , H04J2013/0037

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