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1.发明授权公开(公告)号：US07103060B2
公开(公告)日：2006-09-05
申请号：US09824968
申请日：2001-04-03
IPC分类号： H04J3/16
CPC分类号： H04W74/0875 , H04L47/14 , H04L47/24 , H04W84/042
摘要： The present invention relates to a communication device (1) for transmitting and receiving data in a communication system and a corresponding communication method. In the communication system, which can be a wireless or a wired communication system, a random access channel is provided, which comprises a plurality of access resources. The access resources are divided in at least two access resource groups, each access resource groups corresponding to a different access service class with a respective access probability. The communication device (1) according to the present invention, comprises selecting means (5) for randomly selecting an access resource from an access resource group corresponding to the current access service class of the communication device (1), transmitting means (3) for transmitting a random access burst in said selected access resource and detecting means (6) for detecting a specific event, whereby the current access service class of the communication device (1) is changed into another access service class when said specific event is detected by the detecting means (6).The present invention proposes a simple and flexible scheme for the adaptation of the performance of a communication device (1) in the random access procedure in the case of certain events.
摘要翻译： 本发明涉及一种用于在通信系统中发送和接收数据的通信设备（1）和相应的通信方法。 在可以是无线或有线通信系统的通信系统中，提供包括多个接入资源的随机接入信道。 访问资源在至少两个访问资源组中被划分，每个访问资源组对应于具有相应访问概率的不同的访问服务类。 根据本发明的通信设备（1）包括：从与通信设备（1）的当前接入服务类别相对应的接入资源组中随机选择接入资源的选择装置（5），用于 在所述选择的接入资源中发送随机接入脉冲串和检测装置（6），用于检测特定事件，由此当通过所述特定事件检测到所述特定事件时，通信装置（1）的当前接入服务等级被改变为另一接入业务类别 检测装置（6）。 本发明提出了一种用于在某些事件的情况下在随机接入过程中适配通信设备（1）的性能的简单且灵活的方案。
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2.发明授权Transmitter and transmitting method increasing the flexibility of code assignment 有权发送器和发送方法增加了代码分配的灵活性公开(公告)号：US06570889B1
公开(公告)日：2003-05-27
申请号：US09270601
申请日：1999-03-17
IPC分类号： H04J1300
CPC分类号： H04J13/004 , H04B1/707 , H04B7/2628 , H04L25/03866
摘要： According to the present invention a transmitter and a transmitting method for communicating data symbols over a communication channel, for example, according to the CDMA system is presented. The transmitter (24, 25) comprises means (9) for spreading each data symbol with a respective spreading code, wherein the spreading codes are mutually orthogonal. Means (10) for scrambling are provided to scramble each spread symbol with a respective scrambling code, the scrambling codes respectively having the same length as the spreading codes. Furthermore, means (11) for the transmission of the spread and scrambled symbols are provided. According to the present invention the means (10) for scrambling are provided with a plurality of different scrambling codes, which can be used simultaneously within the same link.
摘要翻译： 根据本发明，提供了一种用于例如根据CDMA系统在通信信道上传送数据符号的发送器和发送方法。 发射机（24,25）包括用于以各自的扩展码扩展每个数据符号的装置（9），其中扩展码是相互正交的。 提供用于加扰的装置（10），用各自的扰频码对每个扩展符号进行加扰，扰码分别具有与扩展码相同的长度。 此外，提供了用于传输扩展和加扰符号的装置（11）。 根据本发明，用于加扰的装置（10）具有多个不同的扰码，可以在同一链路内同时使用。
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公开(公告)号：USRE43323E1
公开(公告)日：2012-04-24
申请号：US11142887
申请日：2005-06-01
IPC分类号： H04B7/212
摘要： The present invention proposes communication devices (1, 6) and a method for transmitting and receiving random access bursts in a random access channel of a digital telecommunication system. Thereby, a random access burst comprising a preamble part for acquiring a part of said random access channel and at least one message part for transmitting data in said acquired part of the random access channel is generated, whereby the number of message parts depends on an amount of data to be transmitted in the message parts. In case that two or more message parts are generated, each preceding message part comprises a continuation indicator indicating a succeeding message part. After transmission of such a random access burst, the continuation indicator is detected and a further part of the random access channel is reserved for the succeeding message part. Advantageously, the random access channel comprises a number of random access slots being divided into a first section containing contention based random access slots and a second section containing reservation based random access slots, whereby the preamble part of a random access burst comprising two or more message parts is transmitted in said second section. The present invention has the advantage that a higher amount of random access data can be transmitted within one random access burst in a simple way without enhancing the contention-based access to the random access channel.
摘要翻译： 本发明提出了在数字电信系统的随机接入信道中发送和接收随机接入脉冲串的通信设备（1,6）和方法。 由此，产生包括用于获取所述随机接入信道的一部分的前导码部分和用于在随机接入信道的所述获取部分中发送数据的至少一个消息部分的随机接入脉冲串，由此消息部分的数量取决于量 要在消息部分中传输的数据。 在生成两个或更多个消息部分的情况下，每个先前的消息部分包括指示后续消息部分的连续指示符。 在发送这样的随机接入脉冲串之后，检测到连续指示符，并为随后的消息部分保留随机接入信道的另一部分。 有利地，随机接入信道包括多个随机接入时隙，其被划分为包含基于竞争的随机接入时隙的第一部分和包含基于预留的随机接入时隙的第二部分，由此包括两个或更多个消息的随机接入脉冲串的前导部分 部分在所述第二部分中传送。 本发明的优点在于，可以以简单的方式在一个随机接入突发内发送较大量的随机接入数据，而不会增强对随机接入信道的基于竞争的接入。
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公开(公告)号：US07668275B2
公开(公告)日：2010-02-23
申请号：US11109055
申请日：2005-04-19
CPC分类号： H04J3/0602 , H04B1/7183 , H04L7/046
摘要： A frame synchronization is proposed for a multi-band communication system, wherein a data signal exchanged between a transmitter and a receiver is organized in system frames having a preamble section which contains a frame synchronization section that is composed of a number of symbol frames, each of which is in turn composed of a defined number of slots, whereby each slot corresponds to an individual transmission frequency band. The method comprises steps for transmitting the data signal containing a synchronization signal in one or more slots of every other symbol frame of the frame synchronization section, processing only data signal components selected from transmission frequency bands required for the synchronization signal transmission, and subtracting the processed data signal from its shifted copy, whereby the copy is shifted by one symbol frame.
摘要翻译： 针对多频带通信系统提出了帧同步，其中在发射机和接收机之间交换的数据信号被组织在具有前导码部分的系统帧中，该前同步码段包含由多个符号帧组成的帧同步部分 其又由限定数量的时隙组成，由此每个时隙对应于单独的传输频带。 该方法包括以下步骤，用于在帧同步部分的每隔一个符号帧的一个或多个时隙中发送包含同步信号的数据信号，仅处理从同步信号传输所需的传输频带中选择的数据信号分量， 数据信号从其偏移的副本，从而复制被移位一个符号帧。
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公开(公告)号：US06973143B2
公开(公告)日：2005-12-06
申请号：US09940375
申请日：2001-08-27
IPC分类号： H03M13/39 , H03M13/00 , H03M13/45 , H04L1/00 , H04L1/20 , H04L27/22 , H04Q7/38 , H03D1/00 , H04L27/06
CPC分类号： H03M13/6325 , H03M13/45 , H03M13/6337 , H03M13/658 , H03M13/6591 , H04L1/0045
摘要： The invention proposes a device for generating, from incoming signal values (Xi,n), soft-values (Yi,n) to be input into a channel decoder of a communication device for use in a wireless communication system, comprising truncation means (24, 26, 28) for truncating the incoming signal values (Xi,n) such as to fall within a predetermined limit value range, and normalization means (30, 32) for normalizing the truncated signal values (Xti,n) such as to fit to an input range of the decoder. According to the invention, the truncation means (24, 26, 28) are adapted to determine the boundaries of the limit value range in dependence on information representative of a signal-to-noise ratio of the incoming signal values (Xi,n). The truncated signal values (Xti,n), after normalization, then are output as said soft-values (Yi,n).
摘要翻译： 本发明提出了一种用于从输入信号值（X i，n n）生成要输入到信道解码器的信道解码器的软值（Y i，n n）的装置， 一种用于无线通信系统的通信设备，包括截断装置（24,26,28），用于截断输入信号值（X SUB，n N），以便落入预定极限值范围内 以及归一化装置（30,32），用于对截断的信号值（X，T，S，N，N）进行归一化，以适合于解码器的输入范围。 根据本发明，截断装置（24,26,28）适于根据表示输入信号值（XII）的信噪比的信息来确定极限值范围的边界 ，n N）。 然后，在归一化之后，截断的信号值（X，S，N，N，N）被输出为所述软值（Y i，n N） 。
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公开(公告)号：US06574212B1
公开(公告)日：2003-06-03
申请号：US09411435
申请日：1999-10-01
IPC分类号： H04B7212
CPC分类号： H04B7/216 , H04W74/0866
摘要： The present invention proposes communication devices (1, 6) and a method for transmitting and receiving random access bursts in a random access channel of a digital telecommunication system. Thereby, a random access burst comprising a preamble part for acquiring a part of said random access channel and at least one message part for transmitting data in said acquired part of the random access channel is generated, whereby the number of message parts depends on an amount of data to be transmitted in the message parts. In case that two or more message parts are generated, each preceding message part comprises a continuation indicator indicating a succeeding message part. After transmission of such a random access burst, the continuation indicator is detected and a further part of the random access channel is reserved for the succeeding message part. Advantageously, the random access channel comprises a number of random access slots being divided into a first section containing contention based random access slots and a second section containing reservation based random access slots, whereby the preamble part of a random access burst comprising two or more message parts is transmitted in said second section. The present invention has the advantage that a higher amount of random access data can be transmitted within one random access burst in a simple way without enhancing the contention-based access to the random access channel.
摘要翻译： 本发明提出了在数字电信系统的随机接入信道中发送和接收随机接入脉冲串的通信设备（1,6）和方法。 由此，产生包括用于获取所述随机接入信道的一部分的前导码部分和用于在随机接入信道的所述获取部分中发送数据的至少一个消息部分的随机接入脉冲串，由此消息部分的数量取决于量 要在消息部分中传输的数据。 在生成两个或更多个消息部分的情况下，每个先前的消息部分包括指示后续消息部分的连续指示符。 在发送这样的随机接入脉冲串之后，检测到连续指示符，并为随后的消息部分保留随机接入信道的另一部分。 有利地，随机接入信道包括多个随机接入时隙，其被划分为包含基于竞争的随机接入时隙的第一部分和包含基于预留的随机接入时隙的第二部分，由此包括两个或更多个消息的随机接入脉冲串的前导部分 部分在所述第二部分中传送。 本发明的优点在于，可以以简单的方式在一个随机接入突发内发送较大量的随机接入数据，而不会增强对随机接入信道的基于竞争的接入。
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公开(公告)号：US07852949B2
公开(公告)日：2010-12-14
申请号：US11096013
申请日：2005-03-31
IPC分类号： H04B14/04
CPC分类号： H04B1/71632
摘要： A communication system is provided which implements a method for up-converting a baseband signal to a given number of frequency bands that together define a signal transmission channel. A sequential order is defined in which the frequency bands are to be used for up-converting the baseband signal, and up-converting the baseband signal to one frequency band after the other in the defined sequential order such that the spectral distance between two frequency bands is equal or higher for the frequency bands being direct neighbors in the defined sequential order than being direct neighbors in the spectral order.
摘要翻译： 提供了一种通信系统，其实现了将基带信号上变频到一起限定信号传输信道的给定数量的频带的方法。 定义了顺序，其中频带将被用于上变频基带信号，并以基于定义的顺序将基带信号上变频到一个频带，使得两个频带之间的频谱距离 对于频带是以所定义的顺序的直接相邻的频带等于或高于在频谱顺序中的直接邻居。
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公开(公告)号：US20100182993A1
公开(公告)日：2010-07-22
申请号：US12692286
申请日：2010-01-22
IPC分类号： H04W56/00
CPC分类号： H04J3/0602 , H04B1/7183 , H04L7/046
摘要： A frame synchronisation is proposed for a multi-band communication system, wherein a data signal exchanged between a transmitter and a receiver is organised in system frames having a preamble section which contains a frame synchronisation section that is composed of a number of symbol frames, each of which is in turn composed of a defined number of slots, whereby each slot corresponds to an individual transmission frequency band. The method comprises steps for transmitting the data signal containing a synchronisation signal in one or more slots of every other symbol frame of the frame synchronisation section, processing only data signal components selected from transmission frequency bands required for the synchronisation signal transmission, and subtracting the processed data signal from its shifted copy, whereby the copy is shifted by one symbol frame.
摘要翻译： 针对多频带通信系统提出了帧同步，其中在发射机和接收机之间交换的数据信号被组织在具有前导码部分的系统帧中，该前同步码段包含由多个符号帧组成的帧同步部分 其又由限定数量的时隙组成，由此每个时隙对应于单独的传输频带。 该方法包括以下步骤，用于在帧同步部分的每隔一个符号帧的一个或多个时隙中发送包含同步信号的数据信号，仅处理从同步信号传输所需的传输频带中选择的数据信号分量， 数据信号从其偏移的副本，从而复制被移位一个符号帧。
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公开(公告)号：US07457370B2
公开(公告)日：2008-11-25
申请号：US11101055
申请日：2005-04-06
IPC分类号： H04L27/10
CPC分类号： H04L27/28 , H04B1/692 , H04B1/713 , H04B1/71632 , H04L27/12 , H04L27/148 , H04L27/152 , H04L27/18 , H04L27/32
摘要： A frequency modulation method is proposed that enables an imprinting of a digital message formed by a sequence of symbols on a set of frequency bands. Each symbol of the digital message is hereby assigned just one symbol value out of a defined set of symbol values. According to the method at least two symbol transmission channels are defined with each symbol transmission channel being formed by a sub-set of frequency bands selected from the set of frequency bands and with each frequency band of a symbol transmission channel being allocated to a symbol value of the set of symbol values in a one-to-one relation such, that the symbol transmission channels defined differ from each other in at least one frequency band selected and/or in an allocation of a frequency band to a symbol value. Further, each of the defined symbol transmission channels is successively modulated with a single symbol value of the digital message according to the channel allocation scheme of the respective symbol transmission channel.
摘要翻译： 提出了一种频率调制方法，其能够在一组频带上对由符号序列形成的数字消息进行压印。 因此，数字消息的每个符号仅从一组定义的符号值中分配一个符号值。 根据该方法，定义了至少两个符号传输信道，其中每个符号传输信道由从该组频带中选出的频带的子集形成，并且符号传输信道的每个频带被分配给符号值 在一对一关系中，符号传输通道的定义在至少一个频带中选择和/或频带分配到符号值时彼此不同。 此外，根据各符号传输信道的信道分配方案，利用数字消息的单个符号值来连续调制每个定义的符号传输信道。
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10.发明授权Receiver architecture for a multi scrambling code transmission CDMA technique 失效用于多扰码传输CDMA技术的接收机架构公开(公告)号：US06862314B1
公开(公告)日：2005-03-01
申请号：US09420720
申请日：1999-10-20
CPC分类号： H04J13/0044 , H04B1/707 , H04B2201/70703 , H04J13/102
摘要： To provide a higher data rate service on one link, it is possible to use more than one scrambling code per link. In this way, the same channelization code can be reused and a higher data rate can be supported because the highest data rate is restricted by the set of channelization codes with the shortest length. When reusing one and the same channelization code for spreading the two different data streams transmitted in one link and scrambling these two data streams by two different scrambling codes, the complexity of the receiver will be reduced. Therefore, the two data streams are spread with one and the same channelization code. After this, each of these data streams is scrambled with a different scrambling code.
摘要翻译： 为了在一个链路上提供更高的数据速率服务，可以对每个链路使用多于一个的扰码。 以这种方式，可以重复使用相同的信道化码，并且可以支持更高的数据速率，因为最高数据速率被具有最短长度的信道化码集合所限制。 当重用一个相同的信道化码用于扩展在一个链路中发送的两个不同的数据流，并通过两个不同的扰码对这两个数据流进行加扰时，接收机的复杂度将会降低。 因此，两个数据流被扩展为同一个信道化码。 之后，这些数据流中的每一个用不同的扰码进行加扰。
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