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61. 发明申请

US20080089286A1 Frequency Hopping In An SC-FDMA Environment 审中-公开
标题翻译： SC-FDMA环境中的跳频
公开(公告)号：US20080089286A1
公开(公告)日：2008-04-17
申请号：US11775198
申请日：2007-07-09
申请人： Durga Malladi , Byoung-Hoon Kim
发明人： Durga Malladi , Byoung-Hoon Kim
IPC分类号： H04L5/22
CPC分类号： H04L27/2602 , H04B1/7143 , H04B7/2615
摘要： Facilitating frequency hopping for single carrier, frequency division multiple access (SC-FDMA) transmission is described herein. By way of example, user data transmitted within a transmission allocation unit can be frequency shifted with respect to time based slots of the allocation unit. As a result, frequency hopping can be accomplished while preserving single carrier constraints and a low peak to average power ratio (PAPR). Furthermore, various frequency shifted mechanisms are disclosed to accomplish preservation of single carrier restraints. For example, a scheduler can select between cyclic frequency shifting, transposed frequency shifting, and multiplexing of frequency selective scheduled and frequency hopped data based on an audit of scheduled data for the transmission allocation unit. As a result, the reduction in interference achieved through frequency hopping can be combined with the low PAPR for various data allocation configurations.
摘要翻译：本文描述了单载波，频分多址（SC-FDMA）传输的便利跳频。作为示例，在发送分配单元内发送的用户数据可以相对于分配单元的基于时间的时隙进行频移。因此，可以在保持单载波约束和低峰均功率比（PAPR）的同时实现跳频。此外，公开了各种频移机构来实现单载波约束的保存。例如，调度器可以基于用于传输分配单元的调度数据的审计，在循环频移，转置频移和频率选择性调度和跳频数据的多路复用之间进行选择。结果，通过跳频实现的干扰的减少可以与用于各种数据分配配置的低PAPR组合。

62. 发明申请

US20070242770A1 Feedback of channel state information for MIMO and subband scheduling in a wireless communication system 有权
标题翻译：在无线通信系统中用于MIMO和子带调度的信道状态信息的反馈
公开(公告)号：US20070242770A1
公开(公告)日：2007-10-18
申请号：US11686952
申请日：2007-03-15
申请人： Byoung-Hoon Kim , Durga Malladi , Jelena Damnjanovic
发明人： Byoung-Hoon Kim , Durga Malladi , Jelena Damnjanovic
IPC分类号： H04L1/02
CPC分类号： H04L1/0026 , H04B7/0632 , H04B7/0641 , H04B7/066 , H04L1/0029 , H04L1/06 , H04L27/2608
摘要： Techniques for efficiently sending channel state information using differential encoding are described. Differential encoding may be performed across space, across frequency; across space and frequency, across space, frequency and time, or across some other combination of dimensions. In one design, spatial state information may be determined for multiple spatial channels on multiple subbands. The spatial channels may correspond to different antennas, different precoding vectors, etc. Channel quality indicator (CQI) values may be obtained for the multiple spatial channels on the multiple subbands. The CQI values may be differentially encoded across the multiple spatial channels and the multiple subbands to obtain differential CQI information. In another design, CQI values may be obtained for multiple spatial channels on the multiple subbands in multiple time intervals and may be differentially encoded across space, frequency and time. The differential CQI information and the spatial state information may be sent as feedback.
摘要翻译：描述使用差分编码有效地发送信道状态信息的技术。差分编码可以跨越空间跨越频率执行; 跨越空间和频率，跨越空间，频率和时间，或跨越其他尺寸的组合。在一种设计中，可以为多个子带上的多个空间信道确定空间状态信息。空间信道可以对应于不同的天线，不同的预编码向量等。可以为多个子带上的多个空间信道获得信道质量指示符（CQI）值。 CQI值可以在多个空间信道和多个子带之间进行差分编码，以获得差分CQI信息。在另一种设计中，可以在多个时间间隔中对多个子带上的多个空间信道获得CQI值，并且可以在空间，频率和时间之间进行差分编码。差分CQI信息和空间状态信息可以作为反馈发送。

63. 发明申请

US20070097914A1 MOBILE DEVICE-INITIATED MEASUREMENT GAP REQUEST 有权
标题翻译：移动设备启动测量GAP请求
公开(公告)号：US20070097914A1
公开(公告)日：2007-05-03
申请号：US11552514
申请日：2006-10-24
申请人： Francesco Grilli , Oronzo Flore , Etienne Chapponniere , Juan Montojo , Masato Kitazoe , Nathan Tenny , Durga Malladi
发明人： Francesco Grilli , Oronzo Flore , Etienne Chapponniere , Juan Montojo , Masato Kitazoe , Nathan Tenny , Durga Malladi
IPC分类号： H04Q7/00
CPC分类号： H04W36/0088 , H04W36/0055 , H04W36/14
摘要： Described herein are mechanisms and methods that facilitate preparation of inter-radio access technology (inter-RAT) and/or inter-frequency handover with respect to a mobile device (user equipment). User equipment can indicate to a network servicing the user equipment that the user equipment desires to perform measurements with respect to a different frequency and/or different technology. Data on the downlink channel can then be scheduled to ensure that data intended for the user equipment is not lost while the user equipment is performing the measurements.
摘要翻译：这里描述了有助于准备相对于移动设备（用户设备）的无线电间接入技术（RAT间）和/或频间切换的机制和方法。用户设备可以向服务用户设备的网络指示用户设备希望相对于不同频率和/或不同技术执行测量。然后可以调度下行链路信道上的数据，以确保在用户设备执行测量时不会丢失用于用户设备的数据。

64. 发明申请

US20050014470A1 Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system 有权
标题翻译：一种用于在无线通信系统中提供上行链路信噪比（SNR）估计的方法和装置
公开(公告)号：US20050014470A1
公开(公告)日：2005-01-20
申请号：US10794917
申请日：2004-03-05
申请人： Durga Malladi
发明人： Durga Malladi
IPC分类号： H04W24/00 , H04B7/26 , H04Q7/20
CPC分类号： H04B17/336
摘要： A method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system. A first signal is received over a first channel and a second signal is received over a second channel, where the second signal is received at a higher signal power level than said first signal. A signal-to-noise ratio (SNR) of the second signal is measured, and the SNR of the first signal is determined based at least in part upon the measured SNR of the second signal.
摘要翻译：一种用于在无线通信系统中提供上行链路信噪比（SNR）估计的方法和装置。在第一信道上接收第一信号，并且在第二信道上接收第二信号，其中以比所述第一信号更高的信号功率电平接收第二信号。测量第二信号的信噪比（SNR），并且至少部分地基于第二信号的测量SNR来确定第一信号的SNR。

65. 发明授权

US08811373B2 Rate matching of messages containing system parameters 有权
标题翻译：对包含系统参数的消息进行速率匹配
公开(公告)号：US08811373B2
公开(公告)日：2014-08-19
申请号：US12191003
申请日：2008-08-13
申请人： Durga Malladi , Juan Montojo
发明人： Durga Malladi , Juan Montojo
IPC分类号： H04J3/06
CPC分类号： H04W48/12 , H04L1/0067 , H04L1/0071 , H04L1/0072 , H04L5/0007
摘要： Systems, methodologies, and devices are described that facilitate transmitting a guard time parameter to a mobile device to facilitate rate matching data around a guard time region associated with a downlink subframe of a radio frame sequence. A base station transmits the guard time parameter via PBCH or DBCH to the mobile device. The base station rate matches data associated with PDSCH, comprising DBCH, around the guard time region, and transmits PDSCH to the mobile device. The mobile device identifies the guard time parameter and rate matches at least a portion of the information received via the PDSCH around the guard time region to facilitate enhanced reception of PDSCH. Optionally, a radio frame sequence can be structured so that a subframe immediately following a subframe containing DBCH is a downlink subframe, which can be known by the mobile device a priori or based on a downlink subframe parameter.
摘要翻译：描述了有助于向移动设备发送保护时间参数的系统，方法和设备，以促进与无线电帧序列的下行链路子帧相关联的保护时间区域周围的速率匹配数据。基站通过PBCH或DBCH向移动设备发送保护时间参数。基站速率在保护时间区域周围匹配与包括DBCH的PDSCH相关联的数据，并将PDSCH发送到移动设备。移动设备识别保护时间参数和速率匹配在保护时间区域周围经由PDSCH接收的信息的至少一部分，以促进PDSCH的增强接收。可选地，可以构造无线电帧序列，使得紧跟在包含DBCH的子帧之后的子帧是下行链路子帧，其可以由移动设备先验地或基于下行链路子帧参数而已知。

66. 发明申请

US20080095263A1 Method And Apparatus For Selection Mechanism Between OFDM-MIMO And LFDM-SIMO 有权
标题翻译： OFDM-MIMO与LFDM-SIMO之间的选择机制的方法与装置
公开(公告)号：US20080095263A1
公开(公告)日：2008-04-24
申请号：US11770600
申请日：2007-06-28
申请人： Hao Xu , Byoung-hoon Kim , Durga Malladi
发明人： Hao Xu , Byoung-hoon Kim , Durga Malladi
IPC分类号： H04L27/00
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：描述了促进MIMO，SIMO，SISO和OFDM，LFDM和IFDM的各种组合之间的切换的系统和方法。根据各方面，提供了一种用于无线通信网络的方法，包括：接收第一组数据信息，其中所述第一组信息包括第一值，确定所述第一值是否高于阈值，并将指示发送到如果确定第一值高于阈值，则切换到使用第一传输技术。

67. 发明申请

US20080090528A1 METHOD AND APPARATUS FOR SENDING DATA AND CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于在无线通信系统中发送数据和控制信息的方法和装置
公开(公告)号：US20080090528A1
公开(公告)日：2008-04-17
申请号：US11773943
申请日：2007-07-05
申请人： Durga Malladi
发明人： Durga Malladi
IPC分类号： H04B1/00 , H04B7/00
CPC分类号： H04W72/042 , H04L1/0004 , H04L1/001 , H04L1/0026 , H04L1/0057 , H04L1/0073 , H04L1/1671 , H04L1/1887 , H04L5/0007 , H04L5/0053 , H04L27/0008 , H04L27/2613
摘要： Techniques for sending control information in a communication system are described. In an aspect, control information may be sent in a first frequency location (e.g., a first set of subcarriers) if data is not being sent and in a second frequency location (e.g., a second set of subcarriers) if data is being sent. In another aspect, control information may be processed in accordance with a first processing scheme if data is not being sent and with a second processing scheme if data is being sent. In one design of the first scheme, a CAZAC sequence may be modulated with each modulation symbol for control information to obtain a corresponding modulated CAZAC sequence, which may be sent on the first set of subcarriers. In one design of the second scheme, modulation symbols for control information may be combined with modulation symbols for data, transformed to frequency domain, and mapped to the second set of subcarriers.
摘要翻译：描述用于在通信系统中发送控制信息的技术。在一方面，如果数据未被发送，则控制信息可以在第一频率位置（例如，第一副载波集合）中发送，并且如果正在发送数据，则在第二频率位置（例如，第二子载波集合）中发送控制信息。在另一方面，如果数据未被发送，并且如果正在发送数据，则可以根据第一处理方案来处理控制信息。在第一方案的一种设计中，可以用每个调制符号调制CAZAC序列用于控制信息，以获得可以在第一组子载波上发送的对应的调制CAZAC序列。在第二方案的一种设计中，用于控制信息的调制符号可以与用于数据的调制符号组合，变换到频域，并映射到第二组副载波。

68. 发明申请

US20080089312A1 METHOD AND APPARATUS FOR FLEXIBLE PILOT PATTERN 有权
标题翻译：柔性引导图案的方法和装置
公开(公告)号：US20080089312A1
公开(公告)日：2008-04-17
申请号：US11841771
申请日：2007-08-20
申请人： Durga Malladi
发明人： Durga Malladi
IPC分类号： H04J3/00
CPC分类号： H04L27/2613 , H04L5/0007 , H04L5/005 , H04L5/0064 , H04L5/0091 , H04L27/2655 , H04W16/02
摘要： In accordance an aspect, a method for a wireless communication system, determining a location in time of a sub-frame when SFN transmission for data will occur, determining a first transmission pattern and a second transmission pattern for reference signals, wherein the transmission patterns indicate the symbols and tones of a sub-frame to use for reference signals, selecting for use, between the first transmission pattern and second transmission pattern for reference signals depending on whether SFN data will be transmitted in the sub-frame, and broadcasting information about the selected transmission pattern prior to use thereof.
摘要翻译：根据一个方面，一种用于无线通信系统的方法，当发生用于数据的SFN传输时确定子帧的时间位置，确定用于参考信号的第一传输模式和第二传输模式，其中传输模式指示根据是否在子帧中发送SFN数据，使用用于参考信号的子帧的符号和音调，用于在第一传输模式和第二传输模式之间选择用于参考信号，并且广播关于选择的传输模式。

69. 发明申请

US20060227748A1 Selection of a thresholding parameter for channel estimation 失效
标题翻译：选择信道估计的阈值参数
公开(公告)号：US20060227748A1
公开(公告)日：2006-10-12
申请号：US11351683
申请日：2006-02-10
申请人： Anastasios Stamoulis , Durga Malladi
发明人： Anastasios Stamoulis , Durga Malladi
IPC分类号： H04B7/212 , H04Q7/00
CPC分类号： H04L27/2647 , H04L25/0204 , H04L25/0212 , H04L25/0228 , H04L25/025 , H04L25/0256 , H04L25/0258 , H04L27/261
摘要： Techniques for deriving a high quality channel estimate are described. A first channel impulse response estimate (CIRE) having multiple channel taps is derived, e.g., by filtering initial CIREs obtained from a received pilot. A threshold parameter value is selected based on at least one criterion, which may relate to channel profile, operating SNR, number of channel taps, and so on. A second CIRE is derived by zeroing out selected ones of the channel taps in the first CIRE based on the threshold parameter value. The average energy of the channel taps may be determined, a threshold may be derived based on the average energy and the threshold parameter value, and channel taps with energy less than the threshold may be zeroed out. A memory may store threshold parameter values for different operating scenarios, and a stored value may be selected for use based on the current operating scenario.
摘要翻译：描述了用于导出高质量信道估计的技术。具有多信道抽头的第一信道脉冲响应估计（CIRE）被导出，例如通过对从接收到的导频获得的初始CIRE进行滤波。基于至少一个标准来选择阈值参数值，其可以涉及信道简档，操作SNR，信道抽头数等。基于阈值参数值，通过对第一CIRE中的选通信道抽头进行归零而得到第二CIRE。可以确定通道抽头的平均能量，可以基于平均能量和阈值参数值导出阈值，并且可以将能量小于阈值的通道抽头清零。存储器可以存储不同操作场景的阈值参数值，并且可以基于当前操作场景选择使用存储的值。

70. 发明申请

US20060209902A1 Method and system for communicating content on a broadcast services communication system 有权
公开(公告)号：US20060209902A1
公开(公告)日：2006-09-21
申请号：US11386122
申请日：2006-03-20
申请人： Francesco Grilli , Durga Malladi
发明人： Francesco Grilli , Durga Malladi
IPC分类号： H04J3/06
CPC分类号： H04L1/0061 , H04L1/0045 , H04L1/0065 , H04L2001/0093 , H04W4/06
摘要： An outer decoder and an inner decoder encode a block of information to be transmitted, to improve protection by adding redundancy. The redundancy permits decoding of the information from less than a complete encoded block of information. Time re-alignment of two transmissions of the same content from two base stations can mitigate the problem of duplicated frames. The user of the subscriber station can experience seamless service without repetition of content, even when handing over to a new cell while receiving a buffer of broadcast content.

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