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21. 发明申请

WO2008042874A2 METHOD AND APPARATUS FOR PROCESSING PRIMARY AND SECONDARY SYNCHRONIZATION SIGNALS FOR WIRELESS COMMUNICATION 审中-公开
标题翻译：用于无线通信处理主要和二次同步信号的方法和装置
公开(公告)号：WO2008042874A2
公开(公告)日：2008-04-10
申请号：PCT/US2007080120
申请日：2007-10-01
申请人： QUALCOMM INC , MALLADI DURGA PRASAD , KIM BYOUNG-HOON , LUO TAO
发明人： MALLADI DURGA PRASAD , KIM BYOUNG-HOON , LUO TAO
IPC分类号： H04B1/707 , H04J13/00 , H04J13/10
CPC分类号： H04L27/2613 , H04B2201/70701 , H04J11/0069 , H04J13/0059 , H04J13/107
摘要： Techniques for facilitating cell search by user equipments (UEs) in a wireless communication system are described. In an aspect, a primary synchronization code (PSC) sequence may be generated based on a Frank sequence and a constant amplitude sequence that is repeated multiple times. In another aspect, a set of PSC sequences may be generated based on complementary sequences having good aperiodic correlation properties and efficient implementations. In one design, PSC sequences A+B and B+A may be formed based on Golay complementary sequences A and B, there "+" denotes concatenation. In yet another aspect, a set of secondary synchronization code (SSC) sequences may be generated based on a set of base sequences and different modulation symbols of a modulation scheme. Each base sequence may be modulated by each of M possible modulation symbols for the modulation scheme to obtain M different SSC sequences.
摘要翻译：描述了用于在无线通信系统中用于用户设备（UE）的小区搜索的技术。在一方面，可以基于Frank序列和重复多次的恒定幅度序列来生成主同步码（PSC）序列。在另一方面，可以基于具有良好的非周期相关性质和有效实现的互补序列来生成一组PSC序列。在一种设计中，可以基于Golay互补序列A和B形成PSC序列A + B和B + A，“+”表示连接。在另一方面，可以基于一组基本序列和调制方案的不同调制符号来生成一组次同步码（SSC）序列。每个基本序列可以由用于调制方案的M个可能调制符号中的每一个调制以获得M个不同的SSC序列。

22. 发明申请

WO2006094141A2 METHOD AND APPARATUS FOR INTERFERENCE CANCELLATION IN A WIRELESS COMMUNICATIONS SYSTEM 审中-公开
标题翻译：用于无线通信系统中的干扰消除的方法和设备
公开(公告)号：WO2006094141A2
公开(公告)日：2006-09-08
申请号：PCT/US2006007455
申请日：2006-03-01
申请人： QUALCOMM INC , KIM BYOUNG-HOON , FLURY MANUEL
发明人： KIM BYOUNG-HOON , FLURY MANUEL
IPC分类号： H04B7/08 , H04L25/03
CPC分类号： H04B1/71072 , H04L1/0026 , H04L25/0328
摘要： Successive interference cancellation is performed with improved computational efficiency while offering performance approaching that of full CRC-based successive interference cancellation. In a "blind" interference cancellation technique, reconstructed streams are used for interference cancellation without regard to whether the reconstructed streams were properly decoded. In a "semi-blind" interference cancellation technique, decoder outputs from linear equalization can be used instead of decoder outputs from successive interference cancellation in those cases where linear equalization produces accurate decoding but successive interference cancellation does not.
摘要翻译：以提高的计算效率执行连续干扰消除，同时提供接近完全基于CRC的连续干扰消除的性能。在“盲”干扰消除技术中，重构流用于干扰消除，而不考虑重建流是否被正确解码。在“半盲”干扰消除技术中，在线性均衡产生精确解码但不连续干扰消除的情况下，可以使用来自线性均衡的解码器输出来代替来自连续干扰消除的解码器输出。

23. 发明申请

WO2007087540A3 A METHOD OF PACKET FORMAT DEPENDENT SELECTION OF MIMO-OFDM DEMODULATOR 审中-公开
标题翻译：一种MIMO-OFDM解调器分组格式相关选择的方法
公开(公告)号：WO2007087540A3
公开(公告)日：2007-10-18
申请号：PCT/US2007060929
申请日：2007-01-23
申请人： QUALCOMM INC , KIM BYOUNG-HOON
发明人： KIM BYOUNG-HOON
IPC分类号： H04L1/18 , H04B7/08 , H04L1/06 , H04L25/03 , H04L27/00
CPC分类号： H04L1/0631 , H04L1/0003 , H04L1/0009 , H04L1/06 , H04L1/1835 , H04L25/03012 , H04L25/03242 , H04L27/0012 , H04L27/2647 , H04L2025/03414 , H04L2025/03426 , H04L2025/03726
摘要： Systems and methodologies are described that facilitate code rate and modulation order dependent selection of a suitable demodulator for a received data packet. According to various aspects, systems atid/or methods are described that enable selection of an optimal demodulation scheme such that signal receiver complexity is not increased and optimal decoding throughput performance is achieved.
摘要翻译：描述了便于接收数据分组的适当解调器的码率和调制阶数相关选择的系统和方法。根据各个方面，描述了能够选择最优解调方案的系统和/或方法，使得信号接收机复杂度不增加并且实现最佳解码吞吐量性能。

24. 发明申请

WO2008024773A3 APPROACH TO A UNIFIED SU-MIMO/MU-MIMO OPERATION 审中-公开
标题翻译：统一的SU-MIMO / MU-MIMO操作的方法
公开(公告)号：WO2008024773A3
公开(公告)日：2010-06-24
申请号：PCT/US2007076420
申请日：2007-08-21
申请人： QUALCOMM INC , KIM BYOUNG-HOON , MALLADI DURGA
发明人： KIM BYOUNG-HOON , MALLADI DURGA
IPC分类号： H04B7/06
CPC分类号： H04B7/0686 , H04B7/0413 , H04B7/0465 , H04B7/063 , H04B7/0632 , H04B7/0634 , H04B7/0874 , H04B17/24 , H04B17/336 , H04W72/1231
摘要： What is disclosed is an apparatus and method to dynamically schedule user devices in a wireless communication system in single-user multiple-input multiple-output (SU-MIMO) or multiple-user multiple-input multiple-output (MU-MIMO) modes of operation. The dynamic scheduling employs an efficient differential reporting of channel state information that reduces uplink feedback overhead, whereby a base layer value of a channel quality indicator (CQI) is reported in conjunction with a CQI offset value. Antenna subset selection is also reported. The offset value reflects gains by detection with successive interference cancellation if multiple antennas are reported (rank > 1), while it reflects the actual offset between single-layer SU-MIMO CQI and MU-MIMO CQI if a single antenna is reported (rank = 1). Scheduled SU-MIMO mode of operation is optimized for a user reporting either a single antenna or multiple antennas, whereas MU-MIMO operation is optimized for a user reporting a single antenna, in terms of accuracy of data rate and constellation size restorable at a transmitter based on the reported channel quality indicator.
摘要翻译：公开的是在单用户多输入多输出（SU-MIMO）或多用户多输入多输出（MU-MIMO）模式中的无线通信系统中动态调度用户设备的装置和方法操作。动态调度使用减少上行链路反馈开销的信道状态信息的有效差分报告，由此结合CQI偏移值报告信道质量指示符（CQI）的基本层值。天线子集选择也被报道。如果报告多个天线（秩> 1），偏移值反映了通过连续干扰消除的检测的增益，而如果单个天线被报告（秩= 1），其反映单层SU-MIMO CQI与MU-MIMO CQI之间的实际偏移量， 1）。对于报告单个天线或多个天线的用户，调度的SU-MIMO操作模式被优化，而MU-MIMO操作针对报告单个天线的用户进行了优化，就数据速率的精度和发射机可恢复的星座大小而言根据报道的渠道质量指标。

25. 发明申请

WO2008098225A3 MIMO TRANSMISSION WITH RANK-DEPENDENT PRECODING 审中-公开
标题翻译：基于排序预编码的MIMO传输
公开(公告)号：WO2008098225A3
公开(公告)日：2008-12-11
申请号：PCT/US2008053512
申请日：2008-02-08
申请人： QUALCOMM INC , KIM BYOUNG-HOON , XU HAO
发明人： KIM BYOUNG-HOON , XU HAO
IPC分类号： H04L1/06 , H04L25/03
CPC分类号： H04L25/03343 , H04L1/06 , H04L2025/03426
摘要： Techniques for performing rank-dependent precoding for a MIMO transmission are described. Each rank may be associated with a set of at least one precoding vector or matrix that can provide good performance for that rank. A transmitter may obtain a precoding vector for a rank-1 transmission from a first set containing at least one column vector of a unitary matrix, e.g., a Fourier matrix. The transmitter may perform precoding for the rank-1 transmission based on the precoding vector. The transmitter may obtain a precoding matrix for a rank-2 transmission from a second set containing an identity matrix. The transmitter may perform precoding for the rank-2 transmission based on the precoding matrix. For the rank-2 transmission, the transmitter may select the identity matrix as the precoding matrix if a MIMO channel resembles a diagonal channel (which may be determined based on antenna configurations) and may select the unitary matrix otherwise.
摘要翻译：描述了用于执行MIMO传输的基于秩的预编码的技术。每个秩可以与可以为该秩提供良好性能的一组至少一个预编码向量或矩阵相关联。发射机可以从包含酉矩阵（例如傅里叶矩阵）的至少一个列向量的第一组获得用于秩-1传输的预编码向量。发射机可以基于预编码向量对秩1传输执行预编码。发射机可以从包含单位矩阵的第二集合中获得用于秩2传输的预编码矩阵。发射机可以基于预编码矩阵对秩2传输执行预编码。对于秩2传输，如果MIMO信道类似于对角信道（其可以基于天线配置来确定），则发射机可以选择单位矩阵作为预编码矩阵，否则可以选择单位矩阵。

26. 发明申请

WO2011143477A3 CIR-BASED AND SSC-BASED FTL/TTL/CHANNEL ESTIMATION 审中-公开
标题翻译： CIR和基于SSC的FTL / TTL /信道估计
公开(公告)号：WO2011143477A3
公开(公告)日：2011-12-29
申请号：PCT/US2011036319
申请日：2011-05-12
申请人： QUALCOMM INC , LUO TAO , WEI YONGBIN , KIM BYOUNG-HOON
发明人： LUO TAO , WEI YONGBIN , KIM BYOUNG-HOON
IPC分类号： H04L25/02
CPC分类号： H04L25/0228 , H04L25/0204 , H04L25/0212 , H04L25/022
摘要： NMethods 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NMethods和系统。具体而言，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，以实现快速频率误差估计和频率跟踪控制。开发了一个数学模型，为评估容许频率误差提供了一个方便的度量标准，以及在基于CIR和基于SSC的频率跟踪之间切换的模式。

27. 发明申请

WO2008003087A3 METHOD AND APPARATUS FOR SELECTION MECHANISM BETWEEN OFDM-MIMO AND LFDM-SIMO 审中-公开
标题翻译：用于OFDM-MIMO和LFDM-SIMO之间的选择机制的方法和设备
公开(公告)号：WO2008003087A3
公开(公告)日：2008-07-10
申请号：PCT/US2007072538
申请日：2007-06-29
申请人： QUALCOMM INC , XU HAO , MALLADI DURGA , KIM BYOUNG-HOON
发明人： XU HAO , MALLADI DURGA , KIM BYOUNG-HOON
IPC分类号： H04L1/00 , H04L27/26
CPC分类号： H04L1/0025 , H04B7/0689 , H04L1/0002 , H04L1/0021 , H04L27/2601 , H04L27/2614 , H04W52/245 , H04W52/367 , H04W52/42
摘要： Systems and methodologies are described that facilitate switching between various combinations of MIMO, SIMO, SISO and OFDM, LFDM and IFDM. According to various aspects, a method for a wireless communication network is provided that includes: receiving a first set of data information, wherein the first set of information comprising a first value, determining if the first value is above a threshold and transmitting an indication to switch to using a first transmission technique if determined that the first value is above the threshold.
摘要翻译：描述了有助于在MIMO，SIMO，SISO和OFDM，LFDM和IFDM的各种组合之间切换的系统和方法。根据各个方面，提供了一种用于无线通信网络的方法，该方法包括：接收第一组数据信息，其中第一组信息包括第一值;确定第一值是否高于阈值;以及向如果确定第一值高于阈值，则切换到使用第一传输技术。

28. 发明申请

WO2007001867A8 OPTIMAL WEIGHTS FOR MMSE SPACE-TIME EQUALIZER OF MULTICODE CDMA SYSTEM 审中-公开
标题翻译：用于MMSE空间均衡器的多重CDMA系统的最优权重
公开(公告)号：WO2007001867A8
公开(公告)日：2008-02-28
申请号：PCT/US2006023210
申请日：2006-06-14
申请人： QUALCOMM INC , KIM BYOUNG-HOON , FLURY MANUEL , ZHANG XIAOXIA
发明人： KIM BYOUNG-HOON , FLURY MANUEL , ZHANG XIAOXIA
IPC分类号： H04B1/69 , H03H7/30 , H04B7/216 , H04L27/06 , H04L27/22
CPC分类号： H04B7/0891 , H04B7/02 , H04J13/00 , H04L2025/03426
摘要： Aspects of the invention provide an enhanced chip-level linear space-time equalizer 118 for multiple-input-multiple-output (MIMO) multi-code CDMA systems reusing same spreading codes in different transmit antennas 114. Reuse of the spreading codes at the transmitter 104, 204 creates an on-time inter-stream interference component (or cross-talk among distinct transmit antenna signals) which reuse the same spreading code as the desired signal in the soft metric sequence of the MIMO CDMA receiver after MMSE space-time equalization. The equalizer 118 has a MMSE weighting vector that takes the despreading effect into account.
摘要翻译：本发明的方面提供了一种用于在不同发射天线114重复使用相同扩展码的多输入多输出（MIMO）多码CDMA系统的增强的芯片级线性时空均衡器114.再现利用发射机 104,204在MMSE空时均衡之后产生在MIMO CDMA接收机的软度量序列中重用与所需信号相同的扩展码的导通时间间干扰分量（或不同发射天线信号之间的串扰）。均衡器118具有考虑解扩效应的MMSE加权向量。

29. 发明申请

WO2007051206A3 METHOD AND APPARATUS FOR CHANNEL AND NOISE ESTIMATION 审中-公开
标题翻译：通道和噪声估计的方法和装置
公开(公告)号：WO2007051206A3
公开(公告)日：2007-10-25
申请号：PCT/US2006060372
申请日：2006-10-30
申请人： QUALCOMM INC , KIM BYOUNG-HOON
发明人： KIM BYOUNG-HOON
IPC分类号： H04L1/06 , H04L25/02 , H04L25/03
CPC分类号： H04B7/04 , H04L25/0204 , H04L25/0228
摘要： Techniques for performing channel and noise estimation for a MIMO transmission sent from multiple transmit antennas to multiple receive antennas are described. Samples are obtained from the receive antennas. For a first scheme, channel estimates are derived by correlating the samples with at least one pilot sequence, and signal, noise and interference statistics are also estimated based on the samples. For a second scheme, total received energy as well as signal and interference energy are estimated based on the samples. Noise is then estimated based on the estimated total received energy and the estimated signal and interference energy. For a third scheme, signal and on-time interference statistics are estimated based on the samples. Noise and multipath interference statistics are also estimated based on the samples. Signal, noise and interference statistics are then estimated based on the estimated signal and on-time interference statistics and the estimated noise and multipath interference statistics.
摘要翻译：描述用于对从多个发射天线发送到多个接收天线的MIMO传输进行信道和噪声估计的技术。从接收天线获得样本。对于第一方案，通过将样本与至少一个导频序列相关而导出信道估计，并且信号，噪声和干扰统计也是基于样本估计的。对于第二种方案，基于样本估计总接收能量以及信号和干扰能量。然后基于估计的总接收能量和估计的信号和干扰能量来估计噪声。对于第三种方案，基于样本估计信号和准时干扰统计。噪声和多径干扰统计也根据样本估算。然后基于估计的信号和准时干扰统计以及估计的噪声和多径干扰统计来估计信号，噪声和干扰统计。

30. 发明申请

WO2007001867A2 OPTIMAL WEIGHTS FOR MMSE SPACE-TIME EQUALIZER OF MULTICODE CDMA SYSTEM 审中-公开
标题翻译：用于MMSE空间均衡器的多重CDMA系统的最优权重
公开(公告)号：WO2007001867A2
公开(公告)日：2007-01-04
申请号：PCT/US2006023210
申请日：2006-06-14
申请人： QUALCOMM INC , KIM BYOUNG-HOON , FLURY MANUEL , ZHANG XIAOXIA
发明人： KIM BYOUNG-HOON , FLURY MANUEL , ZHANG XIAOXIA
IPC分类号： H04B1/707
CPC分类号： H04B7/0891 , H04B7/02 , H04J13/00 , H04L2025/03426
摘要： Aspects of the invention provide an enhanced chip-level linear space-time equalizer 118 for multiple-input-multiple-output (MIMO) multi-code CDMA systems reusing same spreading codes in different transmit antennas 114. Reuse of the spreading codes at the transmitter 104, 204 creates an on-time inter-stream interference component (or cross-talk among distinct transmit antenna signals) which reuse the same spreading code as the desired signal in the soft metric sequence of the MIMO CDMA receiver after MMSE space-time equalization. The equalizer 118 has a MMSE weighting vector that takes the despreading effect into account.
摘要翻译：本发明的方面提供了一种用于在不同发射天线114重复使用相同扩展码的多输入多输出（MIMO）多码CDMA系统的增强的芯片级线性时空均衡器114.再现利用发射机 104,204在MMSE空时均衡之后产生在MIMO CDMA接收机的软度量序列中重用与所需信号相同的扩展码的导通时间间干扰分量（或不同发射天线信号之间的串扰）。均衡器118具有考虑解扩效应的MMSE加权向量。

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