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    • 2. 发明专利
    • Synchronous and asynchronous interference management
    • 同步和异步干扰管理
    • JP2013066193A
    • 2013-04-11
    • JP2012240353
    • 2012-10-31
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • GAVIN BERNARD HORNASHWIN SAMPATHNANDA SANJIV
    • H04W56/00
    • H04W72/082H04W16/14H04W72/0406H04W74/08
    • PROBLEM TO BE SOLVED: To provide interference mitigation techniques which are not susceptible to hidden and exposed nodes.SOLUTION: Interference management may involve the transmission of interference management messages by wireless nodes that are experiencing interference and appropriate responses by potential interferers that receive the interference management messages. Upon detection of interfering signals, a wireless node may determine whether the signals are from a synchronous interferer or an asynchronous interferer and use different types of signals to manage the different types of interference. In some aspects, asynchronous interference management may involve backing-off in frequency and/or in time in response to interference signals. Asynchronous interference management may involve transmitting back-off beacons to clear potential interference from a given carrier. The transmission of beacons by a wireless node may be metered to facilitate fair sharing of communication resources.
    • 要解决的问题:提供对隐藏和暴露节点不敏感的干扰减轻技术。 解决方案:干扰管理可能涉及正在经历干扰的无线节点和接收干扰管理消息的潜在干扰源的适当响应的干扰管理消息的传输。 在检测到干扰信号时,无线节点可以确定信号是来自同步干扰源还是来自异步干扰源,并且使用不同类型的信号来管理不同类型的干扰。 在一些方面,异步干扰管理可以包括响应于干扰信号在频率上和/或时间上进行退出。 异步干扰管理可能涉及发送回退信标以清除来自给定载波的潜在干扰。 无线节点的信标传输可以被计量以便于公平地共享通信资源。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Preamble design for wireless signal
    • 无线信号的前置设计
    • JP2013102461A
    • 2013-05-23
    • JP2012276784
    • 2012-12-19
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • KHANDEKAR AAMODALEXEI GOROKHOVBHUSHAN NAGAPALANKI RAVIASHWIN SAMPATHAGRAWAL AVNEESH
    • H04W4/06H04W16/32H04W84/10
    • H04W48/08H04W8/26H04W36/30H04W48/16
    • PROBLEM TO BE SOLVED: To facilitate management of wireless communications in a large-scale heterogeneous wireless access point (AP) environment.SOLUTION: A preamble of a wireless signal (or, e.g., other data of the wireless signal where suitable) can be transmitted with low resource re-use (or low re-use), referred to as a low re-use preamble (or low re-use data transmission). By way of example, system data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources.
    • 要解决的问题:为了便于在大规模异构无线接入点(AP)环境中的无线通信的管理。 解决方案:无线信号的前导码(或者,例如,适合的无线信号的其他数据)可以以低资源重用(或低重用)被传送,被称为低重复使用 前导码(或低重复使用数据传输)。 作为示例,空中消息的系统数据可以被配置为包括标识不同类型的发送基站的信息。 在一些方面,信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面,信息可以包括为特定类型的基站指定的无线信道资源,或者由发射基站消隐,以便于对这些资源进行干扰减少。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Preamble design for wireless signal
    • 无线信号的前置设计
    • JP2013066192A
    • 2013-04-11
    • JP2012240152
    • 2012-10-31
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • KHANDEKAR AAMODALEXEI GOROKHOVBHUSHAN NAGAPALANKI RAVIASHWIN SAMPATHAGRAWAL AVNEESH
    • H04W48/16H04W48/08H04W48/20
    • H04W72/1226H04W48/12H04W84/045
    • PROBLEM TO BE SOLVED: To facilitate management of wireless communications in a heterogeneous wireless access point (AP) environment.SOLUTION: System data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, system data transmitted on the wireless signal can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources. By employing aspects of wireless communication management, efficient and reliable communication can be affected in large heterogeneous AP networks.
    • 要解决的问题:为了便于异构无线接入点(AP)环境中的无线通信的管理。 解决方案:空中消息的系统数据可以被配置为包括标识不同类型的发射基站的信息。 在一些方面,信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面,在无线信号上发送的系统数据可以包括为特定类型的基站指定的无线信道资源或由发送基站消隐,以便于对这些资源进行干扰减少。 通过采用无线通信管理的方式,可以在大型异构AP网络中影响高效可靠的通信。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Preamble design for wireless signal
    • 无线信号的前置设计
    • JP2013062822A
    • 2013-04-04
    • JP2012232148
    • 2012-10-19
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • KHANDEKAR AAMODALEXEI GOROKHOVBHUSHAN NAGAPALANKI RAVIASHWIN SAMPATHAGRAWAL AVNEESH
    • H04W48/08H04B1/707H04J11/00
    • H04W48/08
    • PROBLEM TO BE SOLVED: To provide a method of enabling management of wireless communications in a heterogeneous wireless access point (AP) environment.SOLUTION: System data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to enable interference reduction on such resources. By employing the aspects of wireless communication management, efficient and reliable communication can be affected in large heterogeneous AP networks.
    • 要解决的问题:提供一种能够管理异构无线接入点(AP)环境中的无线通信的方法。 解决方案:空中消息的系统数据可以被配置为包括标识不同类型的发射基站的信息。 在一些方面,信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面,信息可以包括为特定类型的基站指定的无线信道资源,或者由发送基站消隐,以便能够对这些资源进行干扰减少。 通过采用无线通信管理的方式,可以在大型异构AP网络中影响高效可靠的通信。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Audibility improvements for reference signals
    • 参考信号的可变性改进
    • JP2014140172A
    • 2014-07-31
    • JP2014018262
    • 2014-02-03
    • Qualcomm Incクアルコム,インコーポレイテッド
    • AVNEESH AGRAWALASHWIN SAMPATHPALANKI RAVINAGA BHUSHANRAJA SEKHAL BACHUAAMOD D KHANDEKAR
    • H04W72/04H04J11/00
    • H04L5/005H04L1/1893H04L5/0048H04L5/0082H04W72/005H04W72/1247
    • PROBLEM TO BE SOLVED: To provide systems and methods that facilitate providing high reuse for transmitting reference signals, such as positioning reference signals (PRS) and cell-specific reference signals (CRS), to improve audibility thereof for applications such as trilateration and/or the like.SOLUTION: PRSs can be transmitted in designated or selected positioning subframes. Resource elements within the positioning subframe can be selected for transmitting the PRSs and can avoid conflict with designated control regions, resource elements used for transmitting cell-specific reference signals, and/or the like. Resource elements for transmitting PRSs can be selected according to a planned or pseudo-random reuse scheme. In addition, a transmit diversity scheme can be applied to the PRSs to minimize impact of introducing the PRSs to legacy devices. Moreover, portions of a subframe not designated for PRS transmission can be utilized for user plane data transmission.
    • 要解决的问题:提供有助于提供用于传输诸如定位参考信号(PRS)和小区特定参考信号(CRS)的参考信号的高重用的系统和方法,以改善其对诸如三边测量和/或 等等。解决方案:PRS可以在指定或选定的定位子帧中传输。 可以选择定位子帧内的资源元素用于发送PRS,并且可以避免与指定的控制区域的冲突,用于发送小区特定参考信号的资源元素等。 用于传输PRS的资源元素可以根据计划或伪随机重用方案来选择。 此外,发射分集方案可以应用于PRS,以最小化将PRS引入传统设备的影响。 此外,未指定用于PRS传输的子帧的部分可以用于用户平面数据传输。