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1. 发明授权

US09225452B2 Method and apparatus for pilot multiplexing in a wireless communication system 有权
标题翻译：无线通信系统中的导频复用方法和装置
公开(公告)号：US09225452B2
公开(公告)日：2015-12-29
申请号：US12710933
申请日：2010-02-23
申请人： Byoung-Hoon Kim , Yongbin Wei , Amir Dabbagh
发明人： Byoung-Hoon Kim , Yongbin Wei , Amir Dabbagh
IPC分类号： H04J13/00 , H04B7/06 , H04L25/02 , H04L27/26 , H04L5/00
CPC分类号： H04J13/0003 , H04B7/0421 , H04B7/0671 , H04B7/0678 , H04B7/068 , H04B7/0697 , H04B17/309 , H04B2201/70701 , H04J3/00 , H04J13/0022 , H04J13/0059 , H04J13/0062 , H04L5/0023 , H04L5/0026 , H04L5/0051 , H04L5/06 , H04L25/0204 , H04L25/0226 , H04L27/2601 , H04L27/2613 , H04L27/2636
摘要： Techniques for multiplexing pilots in a wireless transmission are described. In one aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas, with each pilot sequence comprising pilot symbols sent in the time domain on a different set of subcarriers. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In another aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas based on frequency-domain code division multiplexing (FD-CDM) of a Chu sequence defined by a transmitter-specific value. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In yet another aspect, a transmitter station generates multiple pilot transmissions for multiple transmit antennas based on a first multiplexing scheme and generates multiple data transmissions based on a second multiplexing scheme that is different from the first multiplexing scheme.
摘要翻译：描述用于在无线传输中复用导频的技术。在一个方面，发射机站为多个发射天线生成多个导频序列，每个导频序列包括在不同子载波集上的时域中发送的导频符号。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于由发射机特定值定义的楚序列的频域码分复用（FD-CDM），为多个发射天线生成多个导频序列。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于第一复用方案为多个发射天线生成多个导频传输，并且基于与第一复用方案不同的第二复用方案来生成多个数据传输。

2. 发明授权

US08130857B2 Method and apparatus for pilot multiplexing in a wireless communication system 有权
标题翻译：无线通信系统中的导频复用方法和装置
公开(公告)号：US08130857B2
公开(公告)日：2012-03-06
申请号：US11624646
申请日：2007-01-18
申请人： Byoung-Hoon Kim , Yongbin Wei , Amir Dabbagh
发明人： Byoung-Hoon Kim , Yongbin Wei , Amir Dabbagh
IPC分类号： H04B7/08
CPC分类号： H04J13/0003 , H04B7/0421 , H04B7/0671 , H04B7/0678 , H04B7/068 , H04B7/0697 , H04B17/309 , H04B2201/70701 , H04J3/00 , H04J13/0022 , H04J13/0059 , H04J13/0062 , H04L5/0023 , H04L5/0026 , H04L5/0051 , H04L5/06 , H04L25/0204 , H04L25/0226 , H04L27/2601 , H04L27/2613 , H04L27/2636
摘要： Techniques for multiplexing pilots in a wireless transmission are described. In one aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas, with each pilot sequence comprising pilot symbols sent in the time domain on a different set of subcarriers. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In another aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas based on frequency-domain code division multiplexing (FD-CDM) of a Chu sequence defined by a transmitter-specific value. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In yet another aspect, a transmitter station generates multiple pilot transmissions for multiple transmit antennas based on a first multiplexing scheme and generates multiple data transmissions based on a second multiplexing scheme that is different from the first multiplexing scheme.
摘要翻译：描述用于在无线传输中复用导频的技术。在一个方面，发射机站为多个发射天线生成多个导频序列，每个导频序列包括在不同子载波集上的时域中发送的导频符号。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于由发射机特定值定义的楚序列的频域码分复用（FD-CDM），为多个发射天线生成多个导频序列。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于第一复用方案为多个发射天线生成多个导频传输，并且基于与第一复用方案不同的第二复用方案来生成多个数据传输。

3. 发明申请

US20070195906A1 METHOD AND APPARATUS FOR PILOT MULTIPLEXING IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中引导多路复用的方法与装置
公开(公告)号：US20070195906A1
公开(公告)日：2007-08-23
申请号：US11624646
申请日：2007-01-18
申请人： Byoung-Hoon Kim , Youngbin Wei , Amir Dabbagh
发明人： Byoung-Hoon Kim , Youngbin Wei , Amir Dabbagh
IPC分类号： H04L1/02
CPC分类号： H04J13/0003 , H04B7/0421 , H04B7/0671 , H04B7/0678 , H04B7/068 , H04B7/0697 , H04B17/309 , H04B2201/70701 , H04J3/00 , H04J13/0022 , H04J13/0059 , H04J13/0062 , H04L5/0023 , H04L5/0026 , H04L5/0051 , H04L5/06 , H04L25/0204 , H04L25/0226 , H04L27/2601 , H04L27/2613 , H04L27/2636
摘要： Techniques for multiplexing pilots in a wireless transmission are described. In one aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas, with each pilot sequence comprising pilot symbols sent in the time domain on a different set of subcarriers. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In another aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas based on frequency-domain code division multiplexing (FD-CDM) of a Chu sequence defined by a transmitter-specific value. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In yet another aspect, a transmitter station generates multiple pilot transmissions for multiple transmit antennas based on a first multiplexing scheme and generates multiple data transmissions based on a second multiplexing scheme that is different from the first multiplexing scheme.
摘要翻译：描述用于在无线传输中复用导频的技术。在一个方面，发射机站为多个发射天线生成多个导频序列，每个导频序列包括在不同子载波集上的时域中发送的导频符号。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于由发射机特定值定义的楚序列的频域码分复用（FD-CDM），为多个发射天线生成多个导频序列。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于第一复用方案为多个发射天线生成多个导频传输，并且基于与第一复用方案不同的第二复用方案来生成多个数据传输。

4. 发明申请

US20100142490A1 METHOD AND APPARATUS FOR PILOT MULTIPLEXING IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中引导多路复用的方法与装置
公开(公告)号：US20100142490A1
公开(公告)日：2010-06-10
申请号：US12710933
申请日：2010-02-23
申请人： Byoung-Hoon Kim , Youngbin Wei , Amir Dabbagh
发明人： Byoung-Hoon Kim , Youngbin Wei , Amir Dabbagh
IPC分类号： H04W72/04 , H04B7/216 , H04B7/02
CPC分类号： H04J13/0003 , H04B7/0421 , H04B7/0671 , H04B7/0678 , H04B7/068 , H04B7/0697 , H04B17/309 , H04B2201/70701 , H04J3/00 , H04J13/0022 , H04J13/0059 , H04J13/0062 , H04L5/0023 , H04L5/0026 , H04L5/0051 , H04L5/06 , H04L25/0204 , H04L25/0226 , H04L27/2601 , H04L27/2613 , H04L27/2636
摘要： Techniques for multiplexing pilots in a wireless transmission are described. In one aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas, with each pilot sequence comprising pilot symbols sent in the time domain on a different set of subcarriers. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In another aspect, a transmitter station generates multiple pilot sequences for multiple transmit antennas based on frequency-domain code division multiplexing (FD-CDM) of a Chu sequence defined by a transmitter-specific value. The transmitter station further generates multiple pilot transmissions for the transmit antennas based on the pilot sequences. In yet another aspect, a transmitter station generates multiple pilot transmissions for multiple transmit antennas based on a first multiplexing scheme and generates multiple data transmissions based on a second multiplexing scheme that is different from the first multiplexing scheme.
摘要翻译：描述用于在无线传输中复用导频的技术。在一个方面，发射机站为多个发射天线生成多个导频序列，每个导频序列包括在不同子载波集上的时域中发送的导频符号。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于由发射机特定值定义的楚序列的频域码分复用（FD-CDM），为多个发射天线生成多个导频序列。发射台还根据导频序列进一步为发射天线产生多个导频传输。在另一方面，发射机站基于第一复用方案为多个发射天线生成多个导频传输，并且基于与第一复用方案不同的第二复用方案来生成多个数据传输。

5. 发明授权

US08019032B2 Method and system for channel equalization 有权
标题翻译：信道均衡的方法和系统
公开(公告)号：US08019032B2
公开(公告)日：2011-09-13
申请号：US11293527
申请日：2005-12-02
申请人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
发明人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
IPC分类号： H04B1/10
CPC分类号： H04L25/03006 , H04L25/022 , H04L25/0228 , H04L2025/03375 , H04L2025/03783
摘要： One embodiment includes a method of receiving a transmitted signal. The method comprises receiving a signal transmitted over a channel. The signal comprises a known signal and an information signal. The method further includes determining at least one indicator of channel characteristics based at least in part on the portion of the known signal. The method further includes generating a first value indicative of the information signal based at least in part on the at least one indicator of the channel characteristics. The first value comprises an error signal. The method further comprises removing the error signal from the first estimate of the signal based at least in part on the portion of the known signal. Other embodiments include systems for performing the method and methods of making such systems.
摘要翻译：一个实施例包括接收发射信号的方法。该方法包括接收通过信道发送的信号。信号包括已知信号和信息信号。该方法还包括至少部分地基于已知信号的部分来确定信道特性的至少一个指示符。该方法还包括至少部分地基于信道特性的至少一个指示符来生成指示信息信号的第一值。第一个值包括一个误差信号。该方法还包括至少部分地基于已知信号的部分从信号的第一估计中去除误差信号。其他实施例包括用于执行制造这种系统的方法和方法的系统。

6. 发明授权

US08594260B2 Method and system for channel equalization 有权
标题翻译：信道均衡的方法和系统
公开(公告)号：US08594260B2
公开(公告)日：2013-11-26
申请号：US12856503
申请日：2010-08-13
申请人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
发明人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
IPC分类号： H04B1/10
CPC分类号： H04L25/03006 , H04L25/022 , H04L25/0228 , H04L2025/03375 , H04L2025/03783
摘要： One embodiment includes a method of receiving a transmitted signal. The method comprises receiving a signal transmitted over a channel. The signal comprises a known signal and an information signal. The method further includes determining at least one indicator of channel characteristics based at least in part on the portion of the known signal. The method further includes generating a first value indicative of the information signal based at least in part on the at least one indicator of the channel characteristics. The first value comprises an error signal. The method further comprises removing the error signal from the first estimate of the signal based at least in part on the portion of the known signal. Other embodiments include systems for performing the method and methods of making such systems.
摘要翻译：一个实施例包括接收发射信号的方法。该方法包括接收通过信道发送的信号。信号包括已知信号和信息信号。该方法还包括至少部分地基于已知信号的部分来确定信道特性的至少一个指示符。该方法还包括至少部分地基于信道特性的至少一个指示符来生成指示信息信号的第一值。第一个值包括一个误差信号。该方法还包括至少部分地基于已知信号的部分从信号的第一估计中去除误差信号。其他实施例包括用于执行制造这种系统的方法和方法的系统。

7. 发明申请

US20110280294A1 CIR-BASED AND SSC-BASED FTL/TTL/CHANNEL ESTIMATION 失效
标题翻译：基于CIR和基于SSC的FTL / TTL /信道估计
公开(公告)号：US20110280294A1
公开(公告)日：2011-11-17
申请号：US12778861
申请日：2010-05-12
申请人： Tao Luo , Yongbin Wei , Byoung-Hoon Kim
发明人： Tao Luo , Yongbin Wei , Byoung-Hoon Kim
IPC分类号： H04B17/00
CPC分类号： H04L25/0228 , H04L25/0204 , H04L25/0212 , H04L25/022
摘要： Methods and systems are disclosed for channel estimation and frequency tracking in mobile communication systems. Particularly, various ways of using the time domain impulse channel response based on the staggered frequency domain pilot tones are presented that enable rapid frequency error estimation and frequency tracking control. A mathematical model is developed that provides a convenient metric for evaluating tolerable frequency error, as well as modes for switching between CIR-based and SSC-based frequency tracking.
摘要翻译：公开了用于移动通信系统中的信道估计和频率跟踪的方法和系统。特别地，提出了使用基于交错频域导频音的时域脉冲信道响应的各种方式，其能够进行快速频率误差估计和频率跟踪控制。开发了一种数学模型，为评估可容忍的频率误差提供了便利的度量，以及在基于CIR和基于SSC的频率跟踪之间切换的模式。

8. 发明授权

US08385276B2 Frequency tracking loop for wireless communications 有权
标题翻译：频率跟踪循环用于无线通信
公开(公告)号：US08385276B2
公开(公告)日：2013-02-26
申请号：US12500517
申请日：2009-07-09
申请人： Byoung-Hoon Kim , Peter Gaal , Yongbin Wei
发明人： Byoung-Hoon Kim , Peter Gaal , Yongbin Wei
IPC分类号： H04W4/00
CPC分类号： H04L27/2657 , H04L27/2676 , H04L27/2695 , H04L27/3845
摘要： Systems and methodologies are described that facilitate computing discriminator signals for frequency tracking in wireless communications. The discriminator signal can be computed based at least in part on representations of a received signal shifted upward by a portion of a frequency tone and downward by the portion of the frequency tone. The shifted signals can be summed, and a dot product of the summed signals and a channel estimation of the original signal can be computed to remove uncertain frequency response due to fading. The discriminator signal can be computed as the imaginary portion of the dot product. A frequency error offset can be determined from the discriminator signal and applied to a receiver to tune alignment of the receiver with frequencies of received signals.
摘要翻译：描述了在无线通信中促进用于频率跟踪的鉴别器信号的系统和方法。可以至少部分地基于由向上移动频率一部分并且向下移动频率音调的部分的接收信号的表示来计算鉴别器信号。移位的信号可以相加，并且可以计算求和的信号和原始信号的信道估计的积积以消除由于衰落引起的不确定的频率响应。鉴别器信号可以计算为点积的虚部。可以根据鉴别器信号确定频率误差偏移，并将其应用于接收机，以便将接收机与接收信号的频率进行对准。

9. 发明申请

US20100310027A1 METHOD AND SYSTEM FOR CHANNEL EQUALIZATION 有权
标题翻译：信道均衡的方法和系统
公开(公告)号：US20100310027A1
公开(公告)日：2010-12-09
申请号：US12856503
申请日：2010-08-13
申请人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
发明人： Durga Prasad Malladi , Byoung-Hoon Kim , Yongbin Wei
IPC分类号： H04B1/10
CPC分类号： H04L25/03006 , H04L25/022 , H04L25/0228 , H04L2025/03375 , H04L2025/03783
摘要： One embodiment includes a method of receiving a transmitted signal. The method comprises receiving a signal transmitted over a channel. The signal comprises a known signal and an information signal. The method further includes determining at least one indicator of channel characteristics based at least in part on the portion of the known signal. The method further includes generating a first value indicative of the information signal based at least in part on the at least one indicator of the channel characteristics. The first value comprises an error signal. The method further comprises removing the error signal from the first estimate of the signal based at least in part on the portion of the known signal. Other embodiments include systems for performing the method and methods of making such systems.
摘要翻译：一个实施例包括接收发射信号的方法。该方法包括接收通过信道发送的信号。信号包括已知信号和信息信号。该方法还包括至少部分地基于已知信号的部分来确定信道特性的至少一个指示符。该方法还包括至少部分地基于信道特性的至少一个指示符来生成指示信息信号的第一值。第一值包括误差信号。该方法还包括至少部分地基于已知信号的部分从信号的第一估计中去除误差信号。其他实施例包括用于执行制造这种系统的方法和方法的系统。

10. 发明申请

US20090116573A1 FREQUENCY DIVERSE CONTROL MAPPING OF CHANNEL ELEMENTS TO RESOURCE ELEMENTS 失效
标题翻译：频道元素对资源元素的频率分布控制映射
公开(公告)号：US20090116573A1
公开(公告)日：2009-05-07
申请号：US12264815
申请日：2008-11-04
申请人： Peter Gaal , Yongbin Wei , Byoung-Hoon Kim , Durga Prasad Malladi , Juan Montojo
发明人： Peter Gaal , Yongbin Wei , Byoung-Hoon Kim , Durga Prasad Malladi , Juan Montojo
IPC分类号： H04B7/02
CPC分类号： H04B7/12 , H03M13/2703 , H03M13/2742 , H03M13/2789 , H04L5/0007 , H04L5/0023 , H04L5/0037 , H04L5/0048 , H04L5/0053 , H04L5/0064 , H04L25/022 , H04L25/0226 , H04L25/0228
摘要： Aspects relate to a flexible interleaving scheme that provides frequency diversity to randomizes interference Frequency diversity groups can be utilized, wherein control channel elements (CCEs) gain greater frequency diversity for a given number of mini-CCEs (e.g., subset of CCEs). A frequency diversity group index is permuted according to a bit reversed scheme to facilitate control channel elements with a small number of mini-CCEs to also gain sufficient frequency diversity.
摘要翻译：方面涉及提供频率分集以使随机化干扰的灵活交错方案。可以利用频率分集组，其中控制信道单元（CCE）为给定数量的小型CCE（例如，CCE的子集）获得更大的频率分集。频率分集组索引根据比特反转方案进行置换，以便于具有少量mini-CCE的控制信道单元以获得足够的频率分集。

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