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41. 发明申请

WO2004075432A1 COMMUNICATION RECEIVER WITH A RAKE-BASED ADAPTIVE EQUALIZER 审中-公开
标题翻译：基于RAKE的自适应均衡器的通信接收器
公开(公告)号：WO2004075432A1
公开(公告)日：2004-09-02
申请号：PCT/US2004/004673
申请日：2004-02-17
申请人： QUALCOMM INCORPORATED , MALLADI, Durga Prasad , BLANZ, Josef , WEI, Yongbin
发明人： MALLADI, Durga Prasad , BLANZ, Josef , WEI, Yongbin
IPC分类号： H04B1/707
CPC分类号： H04B1/7115 , H04B1/712
摘要： A method for estimating a transmitted signal. A wireless signal is received that includes a pilot channel and at least one other channel. The wireless signal is processed using a rake receiver front end to provide a plurality of front end outputs. Channel estimation is performed on the plurality of front end outputs to obtain a plurality of channel estimates. The channel estimates are then used to combine the plurality of front end outputs into a combined signal. A transmitted signal is estimated using an equalizer and the combined signal. The equalizer includes a filter with a plurality of taps that are adapted through use of an adaptive algorithm that uses an estimated pilot estimated from the received wireless signal. The pilot channel is transmitted in the wireless signal that included the at least one other channel. The estimated pilot is extracted and provided to the adaptive algorithm.
摘要翻译：一种估计发射信号的方法。接收包括导频信道和至少一个其它信道的无线信号。使用耙式接收器前端处理无线信号以提供多个前端输出。对多个前端输出执行信道估计以获得多个信道估计。然后使用信道估计来将多个前端输出组合成组合信号。使用均衡器和组合信号来估计发射信号。均衡器包括具有多个抽头的滤波器，其通过使用自适应算法来适配，所述自适应算法使用从接收的无线信号估计的估计导频。在包括至少一个其他信道的无线信号中发送导频信道。估计的导频被提取并提供给自适应算法。

42. 发明申请

WO2019047152A1 TECHNIQUES AND APPARATUSES FOR IMPROVING NEW RADIO COVERAGE 审中-公开
公开(公告)号：WO2019047152A1
公开(公告)日：2019-03-14
申请号：PCT/CN2017/101015
申请日：2017-09-08
申请人： QUALCOMM INCORPORATED , ZHANG, Yu , XU, Hao , WEI, Chao , CHENG, Peng , CHEN, Wanshi , GAAL, Peter , MALLADI, Durga Prasad
发明人： ZHANG, Yu , XU, Hao , WEI, Chao , CHENG, Peng , CHEN, Wanshi , GAAL, Peter , MALLADI, Durga Prasad
IPC分类号： H04W72/14
摘要： Certain aspects of the present disclosure generally relate to wireless communication. More particularly, certain aspects of the present disclosure relate to early termination of a downlink channel repetition transmission, early termination of an uplink channel repetition, and/or determination of a plurality of beams for a repetition transmission. Numerous other aspects are provided.

43. 发明申请

WO2008055265A1 METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING A TRANSMISSION POWER SPECTRAL DENSITY OF PILOT AND DATA SYMBOLS 审中-公开
标题翻译：用于动态调整导频和数据符号传输功率谱密度的方法和装置
公开(公告)号：WO2008055265A1
公开(公告)日：2008-05-08
申请号：PCT/US2007/083560
申请日：2007-11-03
申请人： QUALCOMM Incorporated , XU, Hao , MALLADI, Durga Prasad
发明人： XU, Hao , MALLADI, Durga Prasad
IPC分类号： H04B7/005
CPC分类号： H04W52/346 , H04W52/325
摘要： A power spectral density of a pilot symbol and a data symbol is controlled for an uplink transmission by a mobile station in a wireless network by determining a power spectral density of at least one of the data symbol and the pilot symbol based on a peak-to-average ratio (PAR) of at least one of the data symbol and the pilot symbol. A power spectral density of at least one of the data symbol and the pilot symbol is then dynamically adjusted based on a difference between the PAR of the data symbol and a PAR of the pilot symbol. Changes in the power spectral densities of the pilot symbol and the data symbol are signaled to a receiving side of the uplink transmission. If acceptable by the receiving side, the pilot symbol and the data symbol are transmitted to the receiving side of the uplink transmission.
摘要翻译：导频符号和数据符号的功率谱密度通过无线网络中的移动台通过基于峰到值确定至少一个数据符号和导频符号的功率谱密度来控制上行链路传输 - 数据符号和导频符号中的至少一个的平均比（PAR）。然后，基于数据符号的PAR和导频符号的PAR之间的差异来动态地调整数据符号和导频符号中的至少一个的功率谱密度。导频符号和数据符号的功率谱密度的变化被发送到上行链路传输的接收侧。如果接收方可以接受，则将导频符号和数据符号发送到上行链路传输的接收侧。

44. 发明申请

WO2008057969A3 JOINT USE OF MULTI-CARRIER AND SINGLE-CARRIER MULTIPLEXING SCHEMES FOR WIRELESS COMMUNICATION 审中-公开
公开(公告)号：WO2008057969A3
公开(公告)日：2008-05-15
申请号：PCT/US2007/083382
申请日：2007-11-01
申请人： QUALCOMM Incorporated , XU, Hao , MALLADI, Durga Prasad
发明人： XU, Hao , MALLADI, Durga Prasad
IPC分类号： H04L27/26 , H04L5/02 , H04L1/00
摘要： A communication system that facilitates transmissions in accordance with a single-carrier (SC) multiplexing scheme, a multi carrier (MC) multiplexing scheme or a combination thereof is disclosed. Based on various factors such as attributes associated with a UE (user equipment) or availability of resources, a base station can signal to the UE an appropriate multiplexing scheme to be adopted for particular transmissions. The UE can be scheduled for transmission in a semi-static mode wherein the UE employs the transmission scheme for a particular time interval or it may change the mode dynamically for different transmissions. For transmissions from the UE comprising a plurality of data streams with dissimilar attributes, the base station implements a MIMO (multiple input multiple output) system for the UE. This facilitates a UE to dynamically switch between or simultaneously adopt the various multiplexing schemes for communications and thereby fully utilize advantages associated with the different schemes.

45. 发明申请

WO2012075100A1 DETERMINING AN UPLINK CONTROL PATH WITH BLIND DECODING 审中-公开
标题翻译：确定具有盲解码功能的上拉式控制路径
公开(公告)号：WO2012075100A1
公开(公告)日：2012-06-07
申请号：PCT/US2011/062570
申请日：2011-11-30
申请人： QUALCOMM INCORPORATED , MALLADI, Durga Prasad , FAN, Zhifei , XU, Hao , THELEN, Christian O. , LIU, Zhengwei
发明人： MALLADI, Durga Prasad , FAN, Zhifei , XU, Hao , THELEN, Christian O. , LIU, Zhengwei
IPC分类号： H04L1/00
CPC分类号： H04L1/0038 , H04L1/0023 , H04L1/201 , H04L5/0053
摘要： In an aspect, a method assists with blind decoding of uplink control signals on a Physical Uplink Shared Channel (PUSCH) and Physical Uplink Control Channel (PUCCH). The method assists in determining the uplink control path in the event a user equipment (UE) misses an uplink grant and blind decoding occurs. It is determined whether an uplink acknowledgement, rank indicator, and/or channel quality indicator are found on a PUSCH. If not, it is determined whether a scheduling request is expected and whether special handling for the scheduling request is indicated. Depending on those determinations, and whether any decoding attempts for uplink signals are successful, either the PUSCH or PUCCH is selected as the uplink control path.
摘要翻译：一方面，一种方法有助于物理上行链路共享信道（PUSCH）和物理上行链路控制信道（PUCCH）上的上行链路控制信号的盲解码。该方法有助于在用户设备（UE）错过上行链路许可并发生盲解码的情况下确定上行链路控制路径。确定在PUSCH上是否找到上行链路确认，秩指示符和/或信道质量指示符。如果不是，则确定是否期望调度请求，以及是否指示对于调度请求的特殊处理。根据这些确定，以及对于上行链路信号的任何解码尝试是否成功，选择PUSCH或PUCCH作为上行链路控制路径。

46. 发明申请

WO2008137963A2 METHOD AND APPARATUS FOR MULTIPLEXING CDM PILOT AND FDM DATA 审中-公开
标题翻译：用于多媒体CDM引导和FDM数据的方法和装置
公开(公告)号：WO2008137963A2
公开(公告)日：2008-11-13
申请号：PCT/US2008/062964
申请日：2008-05-07
申请人： QUALCOMM INCORPORATED , MALLADI, Durga Prasad , XU, Hao , FAN, Zhifei
发明人： MALLADI, Durga Prasad , XU, Hao , FAN, Zhifei
IPC分类号： H04L5/00
CPC分类号： H04L5/0051 , H04L5/0017 , H04L5/0039 , H04L5/0041
摘要： Techniques for sending control information in a wireless communication system are described. In an aspect, a user equipment (UE) may send data for control information in a resource block with frequency division multiplexing (FDM) and may send pilot in the resource block with frequency-domain code division multiplexing (CDM). The UE may determine multiple groups of subcarriers to use to send data in multiple symbol periods of the resource block based on a predetermined pattern or a pseudo-random hopping pattern. Each group may include consecutive subcarriers to support localized FDM. The multiple groups may include different subcarriers to provide frequency diversity and possibly interference averaging. The UE may send modulation symbols for data (e.g., in the time domain) on the multiple groups of subcarriers in the multiple symbol periods. The UE may send a reference signal sequence for pilot on multiple subcarriers in each symbol period for pilot.
摘要翻译：描述用于在无线通信系统中发送控制信息的技术。一方面，用户设备（UE）可以通过频分复用（FDM）在资源块中发送用于控制信息的数据，并且可以使用频域码分复用（CDM）在资源块中发送导频。 UE可以基于预定模式或伪随机跳频模式来确定用于在资源块的多个符号周期中发送数据的多个子载波组。每个组可以包括连续的子载波以支持本地化的FDM。多个组可以包括不同的子载波以提供频率分集和可能的干扰平均。 UE可以在多个符号周期中的多个子载波组上发送用于数据（例如，在时域中）的调制符号。 UE可以在用于导频的每个符号周期中在多个子载波上发送用于导频的参考信号序列。

47. 发明申请

WO2007109635A1 RATE CONTROL FOR MULTI-CHANNEL COMMUNICATION SYSTEMS 审中-公开
标题翻译：多通道通信系统的速率控制
公开(公告)号：WO2007109635A1
公开(公告)日：2007-09-27
申请号：PCT/US2007/064337
申请日：2007-03-20
申请人： QUALCOMM Incorporated , XU, Hao , KIM, Byoung-Hoon , MALLADI, Durga Prasad
发明人： XU, Hao , KIM, Byoung-Hoon , MALLADI, Durga Prasad
IPC分类号： H04L1/00
CPC分类号： H04L1/0002 , H04L1/0025 , H04L1/0026 , H04L5/0023 , H04L5/0037 , H04L5/0046 , H04L5/006 , H04L5/023 , H04L25/0206 , H04L27/2608
摘要： Various methods and systems for determining reverse-link data rates in a multi-user communication system are disclosed. For example, an apparatus for controlling a data rate of at least a first UE in a multi-user communication system is disclosed. The apparatus may include a channel estimation device configured to determine channel estimates for a plurality of different reverse-link signals to produce a plurality of channel estimates, a demodulation device configured to determine a first signal-to-noise (SNR) ratio for the first UE using the plurality of different channels estimates, and a data rate determining device configured to determine a first reverse-link data rate for the first UE using the first SNR.
摘要翻译：公开了用于在多用户通信系统中确定反向链路数据速率的各种方法和系统。例如，公开了一种用于在多用户通信系统中控制至少第一UE的数据速率的装置。该装置可以包括：信道估计装置，被配置为确定多个不同反向链路信号的信道估计以产生多个信道估计;解调装置，被配置为确定第一信道估计的第一信噪比 UE使用多个不同信道估计，以及数据速率确定装置，被配置为使用第一SNR确定第一UE的第一反向链路数据速率。

48. 发明申请

WO2008058150A2 CELL SEARCH BASED ON BEACON IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：基于无线通信系统中的信标的小区搜索
公开(公告)号：WO2008058150A2
公开(公告)日：2008-05-15
申请号：PCT/US2007/083821
申请日：2007-11-06
申请人： QUALCOMM INCORPORATED , LUO, Tao , MALLADI, Durga Prasad , XU, Hao
发明人： LUO, Tao , MALLADI, Durga Prasad , XU, Hao
IPC分类号： H04L5/02
CPC分类号： H04L27/2613 , H04J11/0069 , H04L5/023 , H04L27/2608 , H04L27/2656 , H04W48/16
摘要： Techniques for transmitting beacon signals to assist user equipments (UEs) perform cell search and techniques for detecting for beacon signals are described. In an aspect, cells may be assigned beacon patterns defined based on orthogonal grouping of subcarriers. U subcarriers usable for beacon may be arranged into G orthogonal groups, with each group including S subcarriers. different beacon patterns may be defined based on the G groups of S subcarriers. In another aspect, the cells may transmit their beacon signals at configurable transmit power levels, which may be determined based on target beacon detection performance. In yet another aspect, a UE may perform overlapping DFTs in order to capture more received power when symbol timing at the UE is not aligned with symbol timing of cells being detected. In yet another aspect, the UE may perform beacon detection with maximal likelihood decoding.
摘要翻译：描述用于发送信标信号以辅助用户设备（UE）执行小区搜索和用于检测信标信号的技术的技术。在一个方面，可以为基站分配基于子载波的正交分组定义的信标模式。可用于信标的U个子载波可以被布置成G个正交组，每个组包括S个子载波。可以基于S个子载波的G组来定义不同的信标模式。在另一方面，小区可以以可配置的发射功率电平发送它们的信标信号，这可以基于目标信标检测性能来确定。在另一方面，当UE处的符号定时不与检测到的小区的符号定时对准时，UE可以执行重叠的DFT以便捕获更多的接收功率。在另一方面，UE可以以最大似然解码来执行信标检测。

49. 发明申请

WO2008058143A2 METHODS AND APPARATUS FOR POWER ALLOCATION AND/OR RATE SELECTION FOR UL MIMO/SIMO OPERATIONS WITH PAR CONSIDERATIONS 审中-公开
标题翻译：用于具有PAR考虑的UL MIMO / SIMO操作的功率分配和/或速率选择的方法和设备
公开(公告)号：WO2008058143A2
公开(公告)日：2008-05-15
申请号：PCT/US2007/083814
申请日：2007-11-06
申请人： QUALCOMM INCORPORATED , MALLADI, Durga Prasad , XU, Hao
发明人： MALLADI, Durga Prasad , XU, Hao
IPC分类号： H04B7/005
CPC分类号： H04W52/367 , H04B7/0404 , H04L1/0003 , H04L5/0023 , H04L27/2614 , H04W52/146 , H04W52/42
摘要： A method for a wireless communication includes receiving or storing a peak to average (PAR) back off value; and applying the PAR back off value to determine the transmission power and rate for SIMO and MIMO transmissions. In one aspect, the PAR back off value is at least partially based on modulation type. In another aspect, the PAR back off value is more for higher order QAM than for QPSK. The power allocation algorithm for different UL MIMO schemes is described as follows. For MIMO without antenna permutation (e.g. per antenna rate control), different PAR back off values are considered for different data streams. For MIMO with antenna permutation or other unitary transformation such as virtual antenna mapping or precoding, the PAR back off are determined based on combined channel. The transmission data rate depends on power and also the receiver algorithms such as a MMSE receiver or MMSE-SIC receiver.
摘要翻译：一种用于无线通信的方法包括：接收或存储峰均值（PAR）退避值; 并应用PAR退避值来确定SIMO和MIMO传输的传输功率和速率。在一个方面，PAR退避值至少部分基于调制类型。另一方面，PAR退避值对于高阶QAM比对于QPSK更高。下面描述用于不同UL MIMO方案的功率分配算法。对于没有天线置换的MIMO（例如，每个天线速率控制），针对不同的数据流考虑不同的PAR后退值。对于具有天线置换的MIMO或诸如虚拟天线映射或预编码的其它单一变换，PAR退避是基于组合信道来确定的。传输数据速率取决于功率以及接收机算法，如MMSE接收机或MMSE-SIC接收机。

50. 发明申请

WO2011017468A2 MITIGATION OF CRS MISALIGNMENT IN COORDINATED MULTIPOINT COMMUNICATIONS 审中-公开
标题翻译：协调多点通信中CRS缺失的缓解
公开(公告)号：WO2011017468A2
公开(公告)日：2011-02-10
申请号：PCT/US2010/044467
申请日：2010-08-04
申请人： QUALCOMM INCORPORATED , LIU, Ke , ZHANG, Xiaoxia , MALLADI, Durga Prasad , XU, Hao
发明人： LIU, Ke , ZHANG, Xiaoxia , MALLADI, Durga Prasad , XU, Hao
IPC分类号： H04L5/00
CPC分类号： H04L5/0032 , H04L5/005 , H04L5/0091
摘要： Certain aspects of the present disclosure relate to a method for coordinated multi point wireless communications. A technique for joint processing of misaligned reference signals in coordinated multipoint communications is provided. In one aspect, a cell may transmit an offsetting reference signal which, when processed by a receiving user equipment, at least partially cancels a first reference signal transmitted by the cell.
摘要翻译：本公开的某些方面涉及用于协调多点无线通信的方法。提供了一种在协调多点通信中联合处理未对准参考信号的技术。在一个方面，小区可以发送偏移参考信号，该偏移参考信号在被接收用户设备处理时至少部分地消除由小区发送的第一参考信号。

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