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1. 发明授权

EP1109344B1 Channel code configurations for digital audio broadcasting systems and other types of communications systems 有权
标题翻译：用于数字广播节目和其它通信系统中的信道编码结构
公开(公告)号：EP1109344B1
公开(公告)日：2008-11-05
申请号：EP00310941.0
申请日：2000-12-08
申请人： Lucent Technologies Inc.
发明人： Laneman, Jerry Nichols , Sinha, Deepen , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04L1/00
CPC分类号： H04L1/0065 , H04L1/004 , H04L1/0071 , H04L1/0078

2. 发明公开

EP1041766A3 Apparatus for communicating multiple digital representations of a signal 审中-公开
标题翻译：安排用于传输信号的多个数字表示
公开(公告)号：EP1041766A3
公开(公告)日：2002-09-11
申请号：EP00302319.9
申请日：2000-03-22
申请人： LUCENT TECHNOLOGIES INC.
发明人： Lou, Hui-Ling , Sinha, Deepen , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04L5/02 , H04H1/00 , H04L5/06 , H04L1/00
CPC分类号： H04H20/30 , H04H60/07 , H04H2201/186
摘要： In a communications system implementing, e.g., an in-band on channel AM (IBOC-AM) (also known as "hybrid IBOC-AM") scheme, multiple bit streams are used to represent an audio signal to be transmitted over one or more frequency bands including, e.g., parts of an AM frequency band for radio broadcast. These bit streams contain various and/or equivalent amounts of audio information. In an illustrative embodiment, at least one of the bit streams is a core bit stream containing core audio information. The remaining bit streams are enhancement bit streams containing enhancement audio information. The core bit stream is necessary for recovering the audio signal with minimal acceptable quality. Such quality is enhanced when the core bit stream, together with one or more of the enhancement bit streams, is used to recover the audio signal. In accordance with the invention, the AM frequency band is divided into subbands. Each of the core and enhancement bit streams is assigned to a respective one of the subbands for transmission. The assignment is conducive to an effective treatment of interference affecting the IBOC-AM system. Other embodiments may include, e.g., communications of the multiple bit streams in accordance with the invention in an IBOC-FM system, a satellite broadcasting system, etc.

3. 发明公开

EP1041756A2 Multistream-in-band-on-channel transmission system 有权
标题翻译：一种用于多个数据的传输在相同的频带和信道流
公开(公告)号：EP1041756A2
公开(公告)日：2000-10-04
申请号：EP00302601.0
申请日：2000-03-29
申请人： LUCENT TECHNOLOGIES INC.
发明人： Mansour, David , Sinha, Deepen , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04H1/00
CPC分类号： H04H20/30 , H04H60/07 , H04H2201/183 , H04H2201/186 , H04L5/023
摘要： Methods and apparatus for processing information, e.g., audio, speech, video or image information, for transmission in a communication system. In an illustrative embodiment, a set of bit streams are generated from an audio information signal. The set of bit streams may be, e.g., a total of four bit streams generated by separating each of two multiple description bit streams, corresponding to separate representations of the audio information signal, into first and second class bit streams. The first and second class bit streams associated with the first multiple description bit stream may then be transmitted in respective first and second subbands of a first sideband of an FM host carrier, while the first and second class bit streams associated with the second multiple description bit stream are transmitted in respective first and second subbands of a second sideband of the FM host carrier. The first class bit streams may be provided with a different level of error protection than the second class bit streams, e.g., by utilizing different portions of a non-uniform power profile for the corresponding subbands, or by placement of the bit streams in subbands having different susceptibility to interference. Delay may be introduced between at least a subset of the bit streams in order to provide improved performance, e.g., in the presence of fading.
摘要翻译：的方法和设备，用于处理信息，E. G.，音频，语音，视频或图像的信息，用于在通信系统中的传输。在说明性实施例中，一组位流被从音频信息信号中产生。该组位流的可以是E. G.，总共由每两个多描述比特流的分离，对应于音频信息信号，的表示分离成第一和第二类比特流生成4个比特流。然后与第一多描述比特流相关联的第一和第二类比特流可以是在FM主载波的第一边带的respectivement第一和第二子带反mitted，而与第二多描述比特相关联的第一和第二类的比特流流是在FM主载波的第二边带的respectivement第一和第二子带反mitted。第一类比特流可以通过利用为相应的子带的非均匀功率分布的不同部分被提供有不同电平的差错保护比第二类比特流，例如，或通过在具有子带的比特流的位置不同的易受干扰。延迟可能至少比特流的子集之间，以提供改进的性能，E. G.，在衰落的存在而引入。

4. 发明公开

EP0930738A2 Optimal complementary punctured convolutional codes for use in digital audio broadcasting and other applications 审中-公开
标题翻译：最佳互补删除卷积在数字无线电广播的使用和用于其他用途
公开(公告)号：EP0930738A2
公开(公告)日：1999-07-21
申请号：EP99300182.5
申请日：1999-01-12
申请人： LUCENT TECHNOLOGIES INC.
发明人： Chen, Brian , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04H1/00
CPC分类号： H04H20/30 , H04H2201/20 , H04L1/0059 , H04L1/0069 , H04L1/007
摘要： The invention provides optimal complementary punctured convolutional codes for coding information bits in a communication system. In an illustrative embodiment, an optimal pair of complementary punctured codes is selected from a set of potential code pairs. The set of potential code pairs includes all non-catastrophic complementary punctured code pairs which combine to produce to a specified full-bandwidth code, and thus includes both equivalent and non equivalent complementary codes. The optimal code pair may be selected, for example, as the pair of equivalent or non-equivalent codes which has the best free Hamming distance and minimum information error weight of all the pairs in the set. In addition, the invention provides both rate-compatible and rate-incompatible codes suitable for use in providing unequal error protection (UEP) for different classes of information bits. The invention further provides optimal bit assignment techniques for use in digital audio broadcasting or other applications in which digital information is transmitted on subcarriers in both an upper and a lower sideband of an analog carrier.
摘要翻译：本发明提供用于在通信系统中编码信息位的最佳互补打孔卷积码。在说明性实施例，最佳对互补凿孔码是从一组潜在码对选择的。该组潜在代码对包括所有非灾难性互补收缩码对哪个组合以产生到指定的全带宽的代码，并且包括因此两个等量和非等同的互补码。最佳代码对可被选择，例如，作为对等效或非等效代码已经在集合中的所有对的最佳自由Hamming距离和最小信息错误权重。此外，本发明提供适用于提供用于不同类别的信息比特的不等错误保护（UEP）使用这两个速率兼容和速率不相容代码。本发明进一步提供在数字音频广播或其它应用程序，其中数字信息是在这两者上在子载波上的反式mitted和模拟载波的下边带的使用最佳的位分配的技术。

5. 发明授权

EP0866577B1 Band insertion and precancellation technique for simultaneous communications of analog frequency-modulated and digitally modulated signals 失效
标题翻译：带插入和技术来Vorlöschung数字调制信号调制的模拟频率的并发通信和
公开(公告)号：EP0866577B1
公开(公告)日：2010-06-30
申请号：EP98301784.9
申请日：1998-03-11
申请人： LUCENT TECHNOLOGIES INC.
发明人： Chen, Brian , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04H20/31
CPC分类号： H04H20/30 , H04J9/00 , H04L5/023

6. 发明授权

EP0952696B1 Technique for communicating digitally modulated signals over an amplitude-modulation frequency band 有权
标题翻译：用于在一个AM频带发送数字调制信号的方法
公开(公告)号：EP0952696B1
公开(公告)日：2006-09-20
申请号：EP99302843.0
申请日：1999-04-13
申请人： LUCENT TECHNOLOGIES INC.
发明人： Chen, Brian , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04L5/02 , H04B7/005 , H04L27/26 , H04M11/06 , H04H1/00
CPC分类号： H04L5/023 , H04J11/003 , H04J11/005 , H04L25/03853 , H04L27/2646

7. 发明公开

EP1109345A3 Method and system for generating an error indicator based on code and control information consistency in a communication system 有权
标题翻译：方法和系统，用于在通信系统中显示的控制和代码信息之间的一致性错误
公开(公告)号：EP1109345A3
公开(公告)日：2006-07-12
申请号：EP00310942.8
申请日：2000-12-08
申请人： LUCENT TECHNOLOGIES INC.
发明人： Laneman, Jerry Nicholas , Sinha, Deepen , Sundberg, Carl-Erik Wilhelm , Tracey, James Walter
IPC分类号： H04L1/00
CPC分类号： H04L1/00 , H04L1/004
摘要： Improved error screening techniques for use in processing digital audio or other types of information received in a digital communication system. Control information associated with a given packet of the received information is identified and compared with a decoding requirement of the packet, in order to control the generation of an error indicator for the packet. More particularly, the error indicator may be generated in response to an inconsistency between the control information and the decoding requirement. For example, the control information may include an indication of packet length that can be compared to a number of bits required to decode the corresponding packet, with any inconsistency between the packet length indication and the number of required bits leading to the generation of an error flag for the packet. The invention is particularly well-suited for use in the processing of encoded digital audio information received in a hybrid in-band on-channel (HIBOC) digital audio broadcasting (DAB) system, but is also applicable to other types of information and other types of communication systems.

8. 发明授权

EP0991221B1 Unequal error protection for digital broadcasting using channel classification 有权
标题翻译：与通道分类数字广播不等错误保护
公开(公告)号：EP0991221B1
公开(公告)日：2006-05-31
申请号：EP99307476.4
申请日：1999-09-21
申请人： LUCENT TECHNOLOGIES INC.
发明人： Sinha, Deepen , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04L1/00 , H04L27/26
CPC分类号： H04L1/0059 , H04L1/0068 , H04L1/007 , H04L27/2602 , H04L2001/0096 , H04L2001/0098

9. 发明公开

EP1059748A3 Soft selection combining method in a digital transmission system based on successive erasures of frequency band components 有权
标题翻译：在一个数字传输系统中使用的公共选择的组合方法基于组分在频域中的连续消除
公开(公告)号：EP1059748A3
公开(公告)日：2005-09-21
申请号：EP00304065.6
申请日：2000-05-15
申请人： LUCENT TECHNOLOGIES INC.
发明人： Laneman, Jerry Nicholas , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04H1/00 , H04L1/20
CPC分类号： H04L1/0045 , H04H20/30 , H04H60/11 , H04H2201/183 , H04H2201/186 , H04H2201/20 , H04L1/0059 , H04L1/0068 , H04L1/0071 , H04L27/2647
摘要： Techniques for processing received information in a communication system, such that performance is significantly improved in the presence of certain types of interference. In an illustrative embodiment, first and second digital sidebands are transmitted on either side of an FM or AM host carrier signal in a hybrid in-band on-channel (HIBOC) digital audio broadcasting (DAB) system. The compressed digital audio information in the sidebands is encoded using an outer code, e.g., a cyclic redundancy code (CRC), and an inner code, e.g., a complementary punctured pair convolutional (CPPC) code. A receiver generates an error indicator based at least in part on a first decoding of the received information. The error indicator characterizes interference associated with at least one of the digital sidebands. The receiver then generates at least one alternative decoding of the received information if the error indicator has a designated characteristic. For example, the receiver may generate the alternative decoding by eliminating from consideration in the receiver decoding process a designated portion of at least one of the digital sidebands. The error indicator may be indicative of the presence or absence of a first adjacent interference signal of a particular level within a frequency band associated with one of the sidebands, and may be based on, e.g., a signal-to-noise ratio measurement generated from a pilot tone associated with a given sideband, and/or an error flag generated using the CRC outer code Portions of the given sideband may be eliminated from consideration via successive erasures of sideband components, i.e., subbands, thereby resulting in an increase in the effective code rate of the inner code.

10. 发明公开

EP0930738A3 Optimal complementary punctured convolutional codes for use in digital audio broadcasting and other applications 审中-公开
标题翻译：最佳互补删除卷积在数字无线电广播的使用和用于其他用途
公开(公告)号：EP0930738A3
公开(公告)日：2005-04-13
申请号：EP99300182.5
申请日：1999-01-12
申请人： LUCENT TECHNOLOGIES INC.
发明人： Chen, Brian , Sundberg, Carl-Erik Wilhelm
IPC分类号： H04H1/00 , H03M13/00 , H03M13/23 , H04L1/00
CPC分类号： H04H20/30 , H04H2201/20 , H04L1/0059 , H04L1/0069 , H04L1/007
摘要： The invention provides optimal complementary punctured convolutional codes for coding information bits in a communication system. In an illustrative embodiment, an optimal pair of complementary punctured codes is selected from a set of potential code pairs. The set of potential code pairs includes all non-catastrophic complementary punctured code pairs which combine to produce to a specified full-bandwidth code, and thus includes both equivalent and non equivalent complementary codes. The optimal code pair may be selected, for example, as the pair of equivalent or non-equivalent codes which has the best free Hamming distance and minimum information error weight of all the pairs in the set. In addition, the invention provides both rate-compatible and rate-incompatible codes suitable for use in providing unequal error protection (UEP) for different classes of information bits. The invention further provides optimal bit assignment techniques for use in digital audio broadcasting or other applications in which digital information is transmitted on subcarriers in both an upper and a lower sideband of an analog carrier.

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