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91. 发明公开

EP1292057A4 ERROR CORRECTING/DECODING METHOD 审中-公开
标题翻译：法进行纠错/解码
公开(公告)号：EP1292057A4
公开(公告)日：2005-06-22
申请号：EP01902784
申请日：2001-02-06
申请人： MITSUBISHI ELECTRIC CORP
发明人： UGA SHINSUKE
IPC分类号： G11B20/18 , H03M13/00 , H03M13/15 , H03M13/39 , H04L1/00 , H04J13/04
CPC分类号： H04J13/00 , G11B20/18 , H03M13/00 , H03M13/39 , H04L1/0045 , H04L1/0057 , H04L1/0072
摘要： An error correcting/decoding method for a TFCI added to transmission data, transmitted along with the transmission data, and representing the transmission format of the transmission data, wherein the data judged by the receiving side that the occurrence probability of a transmission message is obviously zero is excluded from the object of comparison, and the data judged by the receiving side that the occurrence probability of the transmission message is obviously zero is not calculated, thereby improving the error correcting characteristics and reducing the amount of processing.

92. 发明公开

EP1499053A3 Orthogonal complex spreading method for multichannel and apparatus thereof 审中-公开
公开(公告)号：EP1499053A3
公开(公告)日：2005-06-15
申请号：EP04077915.9
申请日：1998-10-02
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Bang, Seung Chan , Shim, Jae Ryong , Han, Ki Chul , 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
摘要： An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing α n1 W M,n1 X n1 which is obtained by multiplying an orthogonal Hadamard sequence W M,n1 by a first data X n1 of a n-th block and α n2 W M,n2 X n2 which is obtained by multiplying an orthogonal Hadamard sequence W M,n2 by a second data X n2 of a n-th block; complex-multiplying α n1 W M,n1 X n1 +jα n2 W M,n2 X n2 which is summed in the complex type and W M,n3 +jPW M,n4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.

93. 发明授权

EP0940926B1 Spectrum spreading communication system using single spreading code 有权
标题翻译：使用单个扩展码扩展频谱通信系统
公开(公告)号：EP0940926B1
公开(公告)日：2005-06-08
申请号：EP99103412.5
申请日：1999-02-22
申请人： NEC CORPORATION
发明人： Kondo, Takayuki c/o NEC CORPORATION
IPC分类号： H04B1/707 , H04J13/04
CPC分类号： H04B1/7115 , H04B1/7103 , H04B1/7113 , H04B1/7117 , H04B2001/70706 , H04B2201/70701

94. 发明授权

EP0749223B1 DEVICE AND METHOD FOR INITIALLY SYNCHRONIZING SPREAD-SPECTRUM CODE OF CDMA TRANSMISSION SYSTEM 失效
标题翻译：初始同步CDMA传输系统扩频码的设备和方法
公开(公告)号：EP0749223B1
公开(公告)日：2004-12-08
申请号：EP95942278.3
申请日：1995-12-27
申请人： NTT DoCoMo, Inc.
发明人： HIGUCHI, Kenichi , SAWAHASHI, Mamoru , ADACHI, Fumiyuki
IPC分类号： H04J13/04 , H04B1/707 , H04L7/10 , H04L7/00
CPC分类号： H04J13/0077 , H04B1/70757 , H04B1/7077 , H04B1/708 , H04B1/7095 , H04J3/0602 , H04J13/0003

95. 发明公开

EP1471674A1 Verfahren, Sender und Empfänger zur Übertragung von Daten in einem CDMA-System mittels vollständig komplementären Codematrizen zur zweidimensionalen Spreizung der Daten in Frequenz- und Zeitrichtung 审中-公开
标题翻译：一种方法，发射机和接收机，用于通过完全互补码矩阵用于二维在CDMA系统中发送数据在频率和时间方向上的数据的扩频
公开(公告)号：EP1471674A1
公开(公告)日：2004-10-27
申请号：EP03009464.3
申请日：2003-04-25
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： Die Erfindernennung liegt noch nicht vor
IPC分类号： H04J11/00 , H04J13/04 , H04L5/02
CPC分类号： H04J13/10 , H04L1/0618 , H04L5/026 , H04L23/02
摘要： Die Erfindung betrifft ein Verfahren zur Übertragung von Datenbits zwischen mindestens einer Teilnehmerstation und einer Funkzugangseinrichtung in einem Funkkommunikationssystem, wobei jedes Datenbit auf mindestens zwei verschiedenen Einheiten einer ersten Funkressource Frequenzband (F1) übertragen wird, wobei senderseitig für jede Einheit der ersten Funkressource Frequenzband (F1) eine Spreizung der Datenbits derart stattfindet, dass jedes Datenbit mit jeweils einer Codematrix einer für die Einheiten der ersten Funkressource Frequenzband (F1) gleichen Gruppe von Codematrizen multipliziert wird, und wobei die Zeilen der Codematrizen jeweils einen Spreizcode bezüglich einer zweiten Funkressource Zeit (t) und die Spalten der Codematrizen jeweils einen Spreizcode bezüglich einer dritten Funkressource Frequenz (f) darstellen. Die zur Spreizung verwendeten Codematrizen sind derart beschaffen, dass mindestens zwei Gruppen von Codematrizen vorliegen, wobei jede Gruppe eine gleiche Anzahl an nummerierten Codematrizen beinhaltet, für jede Gruppe die Summe der Autokorrelationen aller Codematrizen ausschließlich im Fall verschwindender zweidimensionaler Verschiebung ungleich Null ist, und für alle Paare an jeweils zwei Gruppen die Summe der Kreuzkorrelationen aller aufgrund ihrer Nummerierung korrespondierender Codematrizen der jeweils zwei Gruppen für verschwindende und nicht verschwindende zweidimensionale Verschiebung gleich Null ist. Jedes Datenbit wird auf den mindestens zwei verschiedenen Einheiten der ersten Funkressource Frequenzband (F1) in Kombination mit einer durch die Spreizung vorgegebenen Anzahl an Einheiten der zweiten Zeit (t) und einer durch die Spreizung vorgegebenen Anzahl an Einheiten der dritten Frequenz (f) Funkressource übertragen.
摘要翻译：每一个数据位（D）是反式mitted上的第一无线电资源中的至少两个不同的单位（F1，F2）。在发射机侧，对于第一无线电资源的每一个单元（F1，F2）中的数据位（D）使用的编码矩阵扩展。一个复杂的矩阵代数处理涉及自相关如下，在雅舞蹈与给定的数学规则。每个数据位是由反式单元（F1，F2）与扩展单元mitted，在一起。所用的基质和方法可进一步阐述。独立权利要求中包括了发射器和接收器相对应的。

96. 发明公开

EP1089451A4 CHANNEL ESTIMATING DEVICE AND METHOD, DEMODULATING DEVICE AND METHOD, AND FADING FREQUENCY DETERMINING DEVICE AND METHOD 有权
标题翻译：信道估计设备和方法，解调和程序，以及衰落频率识别装置和方法
公开(公告)号：EP1089451A4
公开(公告)日：2004-10-06
申请号：EP00913048
申请日：2000-03-31
申请人： NTT DOCOMO INC
发明人： OKUMURA YUKIHIKO , ANDO HIDEHIRO , USUDA MASAFUMI , ISHIKAWA YOSHIHIRO , ONOE SEIZO
IPC分类号： H04J13/00 , H04B1/707 , H04B1/712 , H04B7/08 , H04B7/26 , H04L25/02 , H04L27/01 , H04W16/24 , H04W28/18 , H04J13/04 , H04Q7/36
CPC分类号： H04L25/0234 , H04B1/707 , H04B1/7115 , H04B2201/70701 , H04L25/0228
摘要： In this invention, a channel estimation value of data symbols of a data channel is calculated by weighting and averaging pilot symbols in a parallel time multiplexing method. Also, a channel estimation value of data symbols during each data symbol interval is calculated by dividing data symbols in a slot into a plurality of data symbol intervals, selecting pilot symbols suitable for calculation of a channel estimation value of data symbols during each data symbol interval and weighting and averaging that pilot symbols. Also, a fading frequency is detected based on an inner product value of pilot symbols. Weighting factors are changed based on the detected fading frequency. Also, a channel estimation value is calculated by weighting and averaging pilot signals using a plurality of weighting sequences. The calculated channel estimation value is used to demodulate received data. The output data with the highest quality is selected by judging reliability of these plurality of demodulated data. It is also possible to select some weighting sequences based on the result of the reliability judgment of the demodulated data for predetermined period of time. In this case, after the selection, demodulation is performed by using these selected weighting sequences only.

97. 发明授权

EP1135955B1 VERFAHREN ZUR DATENÜBERTRAGUNG IN EINEM FUNK-KOMMUNIKATIONSSYSTEM 有权
标题翻译：方法在无线通信系统中数据传输
公开(公告)号：EP1135955B1
公开(公告)日：2004-09-22
申请号：EP99966808.0
申请日：1999-12-01
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： SOMMER, Volker , KÖHN, Reinhard , BENZ, Michael , KLEIN, Anja
IPC分类号： H04Q7/38 , H04B7/26 , H04J11/00 , H04J13/04
CPC分类号： H04W48/12 , H04B7/2631 , H04W28/22 , H04W72/042
摘要： According to the invention, signalling of the used common channels is carried out implicitly via the data rate. Several combinations of channels (spread codes) are only permitted as an alternative for particular data rates of the individual services. Transmission capacity is saved since it is not necessary to reserve individual bits inside the TFCI parameter uniquely for the allocation of said common channels to different connections. The invention is especially useful in the downlink of the FDD modus of UMTS mobile radio systems.

98. 发明公开

EP1439652A2 Radio control device and method of selecting spread code 审中-公开
标题翻译： Funksteuervorrichtung und Verfahren zumWähleneines Spreizkodes
公开(公告)号：EP1439652A2
公开(公告)日：2004-07-21
申请号：EP04000883.1
申请日：2004-01-16
申请人： NTT DoCoMo, Inc.
发明人： Masuda, Masafumi, Int. Prop. Dept.,NTT DoCoMoInc. , Obata Kazunori, Int. Prop. Dept.,NTT DoCoMo Inc. , Ohto Yutaka, Int. Prop. Dept.,NTT DoCoMo Inc.
IPC分类号： H04J13/04 , H04J13/00
CPC分类号： H04J13/18 , H04J13/0044
摘要： The object of the invention is to prevent reduction of the system capacity caused by the use of a channelization code belonging to the secondary scrambling code. Instead of trying to select a channelization code belonging to each of the primary and secondary scrambling codes for one cell in a conventional manner, selection of a channelization code belonging to the primary scrambling code is tried sequentially for a plurality of cells (S02, S04). If the selection of the code has been failed, it is determined whether selection is tried again under a different condition (S06). Then, when trying again, selection of a channelization code belonging to the secondary scrambling code is tried sequentially for the plurality of cells (S07, S09).
摘要翻译：本发明的目的是防止由于使用属于次扰码的信道化码引起的系统容量的降低。代替尝试以常规方式选择属于一个小区的每个主要和次要扰码的信道化码，对多个小区（S02，S04）依次尝试属于主扰码的信道化码的选择，。如果代码的选择失败，则确定是否在不同条件下再次尝试选择（S06）。然后，当再次尝试时，针对多个小区顺序地尝试选择属于次扰码的信道化码（S07，S09）。

99. 发明公开

EP1188271A4 METHOD AND APPARATUS FOR A TALKGROUP CALL IN A WIRELESS COMMUNICATION SYSTEM 无效
标题翻译：方法和设备在无线通信网络中的组呼
公开(公告)号：EP1188271A4
公开(公告)日：2004-06-16
申请号：EP01910919
申请日：2001-02-16
申请人： MOTOROLA INC
发明人： PAN SHAOWEI , LEI PETER , XIE QIAOBING , ZHANG JINZHONG , ESCUE MARILYN R , WHITNEY STEVE
IPC分类号： H04J4/00 , H04J13/04 , H04W4/10 , H04L12/16 , H04Q11/00
CPC分类号： H04W4/10 , H04W76/005
摘要： In a wireless code-division multiple access (CDMA) system ( 100 ), a talkgroup ( 101 ) of subscriber units is provided. A sub-talkgroup ( 102 ) of subscriber units, forming a part of the talkgroup is assigned at least one inbound channel ( 416-417 ). The talkgroup is assigned outbound channels ( 415 ). Members of the sub-talkgroup may simultaneously transmit voice information ( 410-411 ) using the at least one inbound channel, which voice information is summed ( 412 ) and re-transmitted to the talkgroup using the outbound channels. Voice information is summed so that an individual talker receives summed voice information without the individual subscriber's voice content. Subscriber units in the sub-listengroup are allowed to transmit voice information only after requesting, and receiving, an additional inbound channel.

100. 发明公开

EP1353450A1 RAKE RECEIVER 审中-公开
标题翻译：瑞克EMPFÄNGER
公开(公告)号：EP1353450A1
公开(公告)日：2003-10-15
申请号：EP02729550.0
申请日：2002-01-11
申请人： Kawasaki Microelectronics, Inc.
发明人： SATO, Takaharu, Makuhari Head Office , KONDO, Hisashi, Makuhari Head Office
IPC分类号： H04B1/707 , H04J13/04
CPC分类号： H04B1/7117 , H04B1/7115
摘要： A RAKE receiver device includes a plurality of fingers for demodulating multipath -receive data, and a data synthesis circuit for synthesizing the receive data from each of the paths and demodulated by the plural fingers. Each time the receive data is demodulated by one of the plural fingers, the data synthesis circuit adds cumulatively the demodulated receive data for each identical receive data from each of the paths, and synthesizes the data.
摘要翻译： RAKE接收机装置包括用于解调多路径接收数据的多个指状物，以及数据合成电路，用于从每个路径合成接收数据并由多个手指解调。每次通过多个手指之一解调接收数据时，数据合成电路从每个路径累积地对每个相同接收数据的解调接收数据进行加法，并且合成数据。

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