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11. 发明申请

WO2006020020A1 MULTIPLE MODULATION SCHEMES IN SINGLE RATE LAYERING WIRELESS COMMUNICATION SYSTEMS 审中-公开
标题翻译：单速无线通信系统中的多种调制方案
公开(公告)号：WO2006020020A1
公开(公告)日：2006-02-23
申请号：PCT/US2005/025156
申请日：2005-07-15
申请人： QUALCOMM INCORPORATED , GOROKHOV, Alexei , AGRAWAL, Avneesh , GORE, Dhananjay Ashok , KADOUS, Tamer
发明人： GOROKHOV, Alexei , AGRAWAL, Avneesh , GORE, Dhananjay Ashok , KADOUS, Tamer
IPC分类号： H04L1/06
CPC分类号： H04L1/005 , H04L1/0003 , H04L1/0041 , H04L1/06
摘要： A MIMO communication system is adapted to encode multiple data streams at the same adaptable rate. Accordingly, the set of all possible modulation/rate combinations to all modulations with common rates is decreased thus resulting in the reduction of the number of possible packet formats carrying the data streams. Rate prediction is made more error-resilient, in part, due to the averaging over all information rates. Furthermore, the signaling overhead of the packets is reduced. Therefore, the tradeoff between the desired transmission rate granularity on the one hand, and robustness /signaling overhead on the other hand, is controlled by adjusting the coding rate.
摘要翻译： MIMO通信系统适于以相同的可适应速率对多个数据流进行编码。因此，对具有公共速率的所有调制的所有可能的调制/速率组合的集合被减少，从而导致承载数据流的可能分组格式的数量的减少。速率预测更具有弹性，部分原因是由于所有信息速率的平均值。此外，分组的信令开销减小。因此，通过调整编码率来控制一方面期望的传输速率粒度与鲁棒性/信令开销之间的权衡。

12. 发明申请

WO2006019708A1 PILOT TRANSMISSION AND CHANNEL ESTIMATION FOR MULTIPLE TRANSMITTERS 审中-公开
标题翻译：多台发射机的导频传输和信道估计
公开(公告)号：WO2006019708A1
公开(公告)日：2006-02-23
申请号：PCT/US2005/024612
申请日：2005-07-11
申请人： QUALCOMM INCORPORATED , GORE, Dhananjay Ashok , AGRAWAL, Avneesh , KADOUS, Tamer
发明人： GORE, Dhananjay Ashok , AGRAWAL, Avneesh , KADOUS, Tamer
IPC分类号： H04L25/02
CPC分类号： H04L25/0204 , H04L25/0212 , H04L25/0226 , H04L27/261
摘要： Each transmitter is assigned a time-only pilot code, a frequency-only pilot code, or a time-frequency pilot code to use for pilot transmission. The pilot codes may be pseudo-random, orthogonal, and/or cyclic-shift codes. To obtain a channel estimate for a transmitter using a time-frequency pilot code composed of a time-only code and a frequency-only code, a receiver multiplies a set of received symbols for each symbol period with a set of code values for the frequency-only code to obtain a set of detected symbols and performs an IDFT on the set of detected symbols to obtain an initial impulse response estimate. The receiver performs code matching on multiple initial impulse response estimates derived for multiple symbol periods with the time-only code to obtain a final impulse response estimate for the desired transmitter. The receiver retains the first L channel taps and zeroes out remaining channel taps, where L is the expected channel length.
摘要翻译：为每个发射机分配一个仅时间导频码，仅频率导频码或用于导频传输的时频导频码。导频码可以是伪随机，正交和/或循环移位码。为了使用由时间唯一码和仅频率码构成的时频导频码来获得用于发射机的信道估计，接收机将用于每个符号周期的一组接收符号与频率的一组码值相乘 - 获得一组检测符号的代码，并对检测符号集合执行IDFT以获得初始脉冲响应估计。接收机对具有多个符号周期的多个初始脉冲响应估计执行码匹配，其中仅使用时间码来获得所需发射机的最终脉冲响应估计。接收器保留第一个L个通道抽头，并将剩余的通道抽头置零，其中L是预期的通道长度。

13. 发明申请

WO2005094023A1 PILOT TRANSMISSION AND CHANNEL ESTIMATION FOR MISO AND MIMO SYSTEM 审中-公开
标题翻译： MISO和MIMO系统的PILOT传输和信道估计
公开(公告)号：WO2005094023A1
公开(公告)日：2005-10-06
申请号：PCT/US2005/006906
申请日：2005-03-02
申请人： QUALCOMM INCORPORATED , KADOUS, Tamer , AGRAWAL, Avneesh , GORE, Dhananjay, Ashok
发明人： KADOUS, Tamer , AGRAWAL, Avneesh , GORE, Dhananjay, Ashok
IPC分类号： H04L25/02
CPC分类号： H04L25/0226 , H04B7/0684
摘要： A transmitter generates multiple composite pilots with a training matrix and a gain matrix. Each composite pilot includes multiple training pilots generated with multiple columns of the training matrix and scaled with multiple gain elements in a column of the gain matrix. The transmitter transmits each composite pilot via multiple transmit antennas. A MISO receiver obtains received symbols for the multiple composite pilots and derives an estimate of a composite MISO channel. For OFDM, the MISO receiver derives an initial impulse response estimate for each composite pilot, filters the initial impulse response estimates for all composite pilots, and derives a frequency response estimate for the composite MISO channel. A MIMO receiver obtains and processes received symbols for the multiple composite pilots based on the training and gain matrices and derives channel estimates for individual SISO channels between the multiple transmit antennas and multiple receive antennas.
摘要翻译：发射机生成具有训练矩阵和增益矩阵的多个复合导频。每个复合导频包括由训练矩阵的多列生成的多个训练导频，并且在增益矩阵的列中用多个增益元素进行了缩放。发射机经由多个发射天线发送每个复合导频。 MISO接收器获得用于多个复合导频的接收符号，并导出复合MISO信道的估计。对于OFDM，MISO接收机为每个复合导频导出初始脉冲响应估计，对所有复合导频进行初始脉冲响应估计，并得出复合MISO信道的频率响应估计。 MIMO接收机基于训练和增益矩阵获得并处理多个复合导频的接收符号，并导出多个发射天线与多个接收天线之间的各个SISO信道的信道估计。

14. 发明申请

WO2005074155A1 INTERFERENCE ESTIMATION IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统干扰估计
公开(公告)号：WO2005074155A1
公开(公告)日：2005-08-11
申请号：PCT/US2005/002308
申请日：2005-01-24
申请人： QUALCOMM Incorporated , GORE, Dhananjay Ashok , AGRAWAL, Avneesh , KEERTHI, Arvind Vijay
发明人： GORE, Dhananjay Ashok , AGRAWAL, Avneesh , KEERTHI, Arvind Vijay
IPC分类号： H04B1/713
CPC分类号： H04B1/7143 , H04B1/715 , H04B2001/7154 , H04L5/023 , H04W52/38 , H04W52/42 , H04W52/44
摘要： Interference may be controlled by selectively blanking or attenuating transmit powers. A method of estimating interference caused by a transmitting entity in a wireless communication system comprises determining a desired level of accuracy in an interference estimate, determining a required number of blanks per subband set to achieve the desired level of accuracy, inserting the required number of blanks per subband set into a frequency hopping (FH) sequence, and transmitting according to the FH sequence.
摘要翻译：可以通过选择性地消隐或衰减发射功率来控制干扰。一种在无线通信系统中估计由发射实体引起的干扰的方法包括：确定干扰估计中所需的准确度水平，确定每个子带集所需的空白数以达到期望的准确度，插入所需数量的空白每个子带设置成跳频（FH）序列，并根据FH序列进行发送。

15. 发明申请

WO2012174151A3 ENHANCED DISCOVERY PROCEDURES IN PEER-TO-PEER WIRELESS LOCAL AREA NETWORKS (WLANS) 审中-公开
公开(公告)号：WO2012174151A3
公开(公告)日：2012-12-20
申请号：PCT/US2012/042303
申请日：2012-06-13
申请人： QUALCOMM INCORPORATED , ABRAHAM, Santosh Paul , SAMPATH, Hemanth , JONES, IV, Vincent Knowles , AGRAWAL, Avneesh , LI, Junyi
发明人： ABRAHAM, Santosh Paul , SAMPATH, Hemanth , JONES, IV, Vincent Knowles , AGRAWAL, Avneesh , LI, Junyi
IPC分类号： H04W8/00
摘要： Certain aspects of the present disclosure generally provide methods and apparatus for enhanced discovery procedures in peer-to-peer (P2P) wireless local area networks (WLANs). With these procedures, discovery duration may be decreased, battery power consumption may be reduced during discovery, provided services may be ascertained during the device discovery phase without performing a separate service discovery phase, and/or the discovery range may be extended in an effort to discover a greater number of devices.

16. 发明申请

WO2011075178A1 WIRELESS COMMUNICATION CHANNEL BLANKING 审中-公开
标题翻译：无线通信通道空白
公开(公告)号：WO2011075178A1
公开(公告)日：2011-06-23
申请号：PCT/US2010/024176
申请日：2010-02-12
申请人： QUALCOMM INCORPORATED , KHANDEKAR, Aamod, D. , PALANKI, Ravi , AGRAWAL, Avneesh
发明人： KHANDEKAR, Aamod, D. , PALANKI, Ravi , AGRAWAL, Avneesh
IPC分类号： H04L5/00 , H04W52/24
CPC分类号： H04L5/0062 , H04L5/0007
摘要： Systems and methodologies are described that facilitate blanking on portions of bandwidth, such as a subset of interlaces, utilized by communicating devices that are dominantly interfered by a disparate device in wireless communications networks. The portions of bandwidth can relate to critical data, such as control data, and one or more of the communicating devices can request that the dominantly interfering device blank on one or more of the portions. The communicating devices can subsequently transmit data over the blanked portions free of the dominant interference. Additionally, the dominantly interfering device can request reciprocal blanking from the one or more communicating devices.
摘要翻译：描述了系统和方法，其有助于在由无线通信网络中的不同设备主要干扰的通信设备所使用的带宽部分（例如交织子集）上消隐。带宽的部分可以与诸如控制数据的关键数据相关联，并且一个或多个通信设备可以请求在一个或多个部分上的主要干扰设备空白。通信设备可以随后在没有主导干扰的消隐部分上发送数据。此外，主要干扰装置可以从一个或多个通信装置请求相互消隐。

17. 发明申请

WO2010078271A2 CENTRALIZED CONTROL OF PEER DISCOVERY PILOT TRANSMISSION 审中-公开
标题翻译：对等发射导频传输的集中控制
公开(公告)号：WO2010078271A2
公开(公告)日：2010-07-08
申请号：PCT/US2009/069612
申请日：2009-12-28
申请人： QUALCOMM Incorporated , PALANKI, Ravi , AGRAWAL, Avneesh , BHUSHAN, Naga
发明人： PALANKI, Ravi , AGRAWAL, Avneesh , BHUSHAN, Naga
IPC分类号： H04L12/28 , H04W8/00
CPC分类号： H04W8/005 , H04W72/085 , H04W76/14
摘要： Techniques for centralized control of peer discovery pilot transmission are described. In an aspect, a designated network entity (e.g., a base station or a network controller) may control transmission of peer discovery pilots by stations located within its coverage area. In one design, the network entity may receive signaling triggering peer discovery pilot transmission. The network entity may direct each of at least one station to transmit a peer discovery pilot to allow one or more stations to detect the at least one station. The peer discovery pilot may include at least one synchronization signal or at least one reference signal. The network entity may receive pilot measurements from the one or more stations for peer discovery pilots from peer stations and/or reference signals from base stations. The network entity may determine whether or not to select peer-to-peer communication for two stations based on the pilot measurements.
摘要翻译：描述了用于集中控制对等体发现导频传输的技术。一方面，指定网络实体（例如，基站或网络控制器）可以通过位于其覆盖区域内的站点来控制对等体发现导频的传输。在一种设计中，网络实体可以接收信令触发对等体发现导频传输。网络实体可以指示至少一个站中的每一个发送对等体发现导频，以允许一个或多个站检测至少一个站。对等体发现导频可以包括至少一个同步信号或至少一个参考信号。网络实体可以从一个或多个站接收来自对等站的对等体发现导频和/或来自基站的参考信号的导频测量。网络实体可以基于导频测量来确定是否为两个站点选择对等通信。

18. 发明申请

WO2010006297A2 ACCESS MECHANISMS FOR BASE STATIONS IN HETEROGENEOUS ACCESS POINT NETWORKS 审中-公开
标题翻译：异构接入点网络中基站的接入机制
公开(公告)号：WO2010006297A2
公开(公告)日：2010-01-14
申请号：PCT/US2009/050301
申请日：2009-07-10
申请人： QUALCOMM INCORPORATED , KHANDEKAR, Aamod, D. , AGRAWAL, Avneesh , BORRAN, Mohammad, J. , BHUSHAN, Naga
发明人： KHANDEKAR, Aamod, D. , AGRAWAL, Avneesh , BORRAN, Mohammad, J. , BHUSHAN, Naga
IPC分类号： H04W16/10 , H04W48/12
CPC分类号： H04W16/10 , H04W48/12 , H04W48/20 , H04W72/02 , H04W72/0406 , H04W72/082
摘要： Providing for improved access communication for wireless systems is described herein. By way of example, wireless devices can employ wireless resource re-use in selecting a subset of access communication resources, to mitigate interference on uplink access requests. Re-use can be based on current network conditions, or on a type of base station facilitating the wireless communication. In some aspects, planned resource re-use can be facilitated by an access terminal. The access terminal requests neighboring or interfering network access points to reserve a set of resources for a serving access point. Reserved resources can be conveyed to the serving access point with an uplink access probe, to further mitigate interference.
摘要翻译：这里描述了为无线系统提供改进的接入通信。作为示例，无线设备可以在选择接入通信资源的子集时采用无线资源重用，以减轻对上行链路接入请求的干扰。重用可以基于当前的网络条件，或基于便利无线通信的基站类型。在一些方面，计划资源重用可以由接入终端促进。接入终端请求相邻或干扰网络接入点为服务接入点预留一组资源。预留的资源可以通过上行链路接入探测传送到服务接入点，以进一步减轻干扰。

19. 发明申请

WO2009158545A2 BROADCAST-MULTICAST TRANSMISSION WITH RATE ADAPTION 审中-公开
标题翻译：具有速率自适应的广播多播传输
公开(公告)号：WO2009158545A2
公开(公告)日：2009-12-30
申请号：PCT/US2009/048724
申请日：2009-06-25
申请人： QUALCOMM Incorporated , AGRAWAL, Avneesh , GOROKHOV, Alexei Y. , GURELLI, Mehmet I. , BHUSHAN, Naga , AGASHE, Parag A.
发明人： AGRAWAL, Avneesh , GOROKHOV, Alexei Y. , GURELLI, Mehmet I. , BHUSHAN, Naga , AGASHE, Parag A.
IPC分类号： H04L1/00
CPC分类号： H04L1/1692 , H04L1/0026 , H04L1/1671 , H04L1/1861 , H04L1/1887 , H04L2001/0093
摘要： Techniques for supporting broadcast/multiple transmission to multiple terminals with feedback and rate adaptation are described. In an aspect, a combination of HARQ and at least one shared feedback channel may be used to support broadcast/multicast transmission. In one design, a base station may send at least one transmission of a packet to multiple terminals, one transmission at a time. The base station may receive feedback information (e.g., NAK) for the packet from the terminals on the shared feedback channel(s). The base station may determine whether to terminate the packet early and/or may select at least one transmission parameter for another packet based on the feedback information for the packet. In another aspect, a transport format for a broadcast/multicast transmission may be selected based on CQI information from terminals receiving the transmission. The terminals may send CQI information at a slow rate and/or only certain terminals may send CQI information.
摘要翻译：描述了用于支持具有反馈和速率适配的多个终端的广播/多传输的技术。在一方面，可以使用HARQ和至少一个共享反馈信道的组合来支持广播/多播传输。在一种设计中，基站可以向多个终端发送分组的至少一个传输，一次发送一个。基站可以从共享反馈信道上的终端接收针对分组的反馈信息（例如，NAK）。基站可以基于分组的反馈信息来确定是否提前终止分组和/或可以针对另一分组选择至少一个传输参数。在另一方面，可以基于接收到传输的终端的CQI信息来选择用于广播/多播传输的传输格式。终端可以以慢速率发送CQI信息和/或仅某些终端可以发送CQI信息。

20. 发明申请

WO2009132133A1 INTERFERENCE MANAGEMENT WITH REDUCE INTERFERENCE REQUESTS AND INTERFERENCE INDICATORS 审中-公开
标题翻译：干扰管理减少了干扰要求和干扰指标
公开(公告)号：WO2009132133A1
公开(公告)日：2009-10-29
申请号：PCT/US2009/041444
申请日：2009-04-22
申请人： QUALCOMM INCORPORATED , BORRAN, Mohammad, J. , AGRAWAL, Avneesh , KHANDEKAR, Aamod, D. , GOROKHOV, Alexei, Y. , BHUSHAN, Naga , JI, Tingfang
发明人： BORRAN, Mohammad, J. , AGRAWAL, Avneesh , KHANDEKAR, Aamod, D. , GOROKHOV, Alexei, Y. , BHUSHAN, Naga , JI, Tingfang
IPC分类号： H04W52/24 , H04W72/08
CPC分类号： H04W52/243 , H04W72/08
摘要： Techniques for managing interference in a wireless network are described. In an aspect, reduce interference requests and interference indicators may be used for interference management to enable operation in scenarios with dominant interferers. In one design, a terminal may receive a reduce interference request from a first base station requesting lower interference on specified time-frequency resources. The terminal may also receive an interference indicator conveying the interference observed by a second base station. The terminal may determine its transmit power based on the reduce interference request and the interference indicator. For example, the terminal may determine an initial transmit power based on the reduce interference request (or the interference indicator) and may adjust the initial transmit power based on the interference indicator (or the reduce interference request) to obtain its transmit power. The terminal may transmit data to a serving base station at the determined transmit power.
摘要翻译：描述了用于管理无线网络中的干扰的技术。在一个方面，减少干扰请求和干扰指示符可以用于干扰管理，以使得能够在具有主要干扰源的情况下进行操作。在一种设计中，终端可以从指定的时间 - 频率资源请求较低干扰的第一基站接收减少干扰请求。终端还可以接收传达由第二基站观测到的干扰的干扰指示符。终端可以基于减少干扰请求和干扰指示符来确定其发射功率。例如，终端可以基于减少干扰请求（或干扰指示符）来确定初始发射功率，并且可以基于干扰指示符（或减少干扰请求）来调整初始发射功率以获得其发射功率。终端可以以所确定的发射功率向服务基站发送数据。

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