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91. 发明申请

US20080174470A1 Transceiver with Receive and Transmit Path Performance Diversity 失效
标题翻译：收发器具有接收和发送路径性能多样性
公开(公告)号：US20080174470A1
公开(公告)日：2008-07-24
申请号：US11625248
申请日：2007-01-19
申请人： Allan Lum , Todd Sutton
发明人： Allan Lum , Todd Sutton
IPC分类号： G01S7/36
CPC分类号： H04B7/0845 , H04K3/228 , H04K2203/32
摘要： Methods and apparatus for implementing a wireless communication transceiver having receive path performance diversity. The transceiver implements a plurality of signal paths that can be configured as space diversity receive paths. Each of the plurality of signal paths includes a distinct RF filter. Each RF filter can be configured to provide a distinct frequency response, and in particular, a distinct jammer rejection profile. One of the RF filters can be configured to provide substantially no in-band jammer rejection. Each additional distinct RF filter can be configured to reject at least one distinct in-band jammer frequency or band of frequencies. A diversity receiver coherently combines the path performance diverse signals from each filter output. A transmitter can time division duplex transmit communications over at least a subset of the signal paths and their associated RF filters.
摘要翻译：用于实现具有接收路径性能分集的无线通信收发机的方法和装置。收发器实现可被配置为空间分集接收路径的多个信号路径。多个信号路径中的每一个包括不同的RF滤波器。每个RF滤波器可被配置成提供不同的频率响应，特别是明显的干扰抑制曲线。 RF滤波器之一可被配置为基本上不提供带内干扰抑制。每个附加的不同的RF滤波器可被配置为拒绝至少一个不同的带内干扰频率或频带。分集接收机将来自每个滤波器输出的路径性能不同的信号相结合。发射机可以在信号路径的至少一个子集及其相关的RF滤波器上进行时分双工传输通信。

92. 发明申请

US20090274073A1 TRANSMIT EMISSION CONTROL IN A WIRELESS TRANSCEIVER 失效
标题翻译：无线收发器中的发射发射控制
公开(公告)号：US20090274073A1
公开(公告)日：2009-11-05
申请号：US12114701
申请日：2008-05-02
申请人： Todd R. Sutton
发明人： Todd R. Sutton
IPC分类号： H04J3/00 , H04Q7/00
CPC分类号： H04W4/20
摘要： Methods and apparatus for control of uplink resource allocation and undesirable transmit emissions from a wireless transceiver in a frequency division duplex (FDD) or hybrid frequency division duplex (H-FDD) wireless system. The bandwidths spanned by the receive band and the transmit band may be symmetric or asymmetric. Additionally, each of the receive band or the transmit band may be contiguous or may be an aggregate of multiple discontinuous frequency bands. The wireless transceiver can control undesirable transmit emissions from occurring in a predetermined frequency band by using an offset LO frequency and restricting transmit signals to frequencies away from the predetermined frequency band. Alternatively, in an asymmetric FDD system where a receive band is larger than a transmit band, the transceiver can limit transmit signal allocation to the transmit band. The transceiver can further limit out of band transmit emissions using an offset LO frequency.
摘要翻译：用于控制来自频分双工（FDD）或混合频分双工（H-FDD）无线系统中的无线收发器的上行链路资源分配和不期望的发射发射的方法和装置。由接收频带和发射频带跨越的带宽可以是对称的或非对称的。此外，接收频带或发射频带中的每一个可以是连续的，或者可以是多个不连续频带的聚合。无线收发器可以通过使用偏移LO频率来控制在预定频带中发生的不期望的发射发射，并将发射信号限制在远离预定频带的频率上。或者，在接收频带大于发射频带的非对称FDD系统中，收发机可以限制对发射频带的发射信号分配。收发器可以使用偏移LO频率进一步限制带外发射发射。

93. 发明申请

US20090264142A1 INTERCELL INTERFERENCE MITIGATION 有权
标题翻译： INTERCELL干扰减缓
公开(公告)号：US20090264142A1
公开(公告)日：2009-10-22
申请号：US12327732
申请日：2008-12-03
申请人： Hari Sankar , Ron Porat , Danjie Pan , Wee Peng Goh , Srikanth Gummadi , Lei Wang
发明人： Hari Sankar , Ron Porat , Danjie Pan , Wee Peng Goh , Srikanth Gummadi , Lei Wang
IPC分类号： H04B7/00 , H04W72/00 , H04L27/28
CPC分类号： H04L5/0032 , H04L1/0026 , H04L5/0007 , H04L5/0037 , H04L5/0057 , H04L5/0062 , H04L5/0066 , H04L25/0204 , H04W72/0406 , H04W72/0453 , H04W72/048 , H04W72/082
摘要： Methods and apparatus are described for mitigating intercell interference in wireless communication systems utilizing substantially the same operating frequency band across multiple neighboring coverage areas. The operating frequency band may be shared across multiple neighboring or otherwise adjacent cells, such as in a frequency reuse one configuration. The wireless communication system can synchronize one or more resource allocation regions or zones across the multiple base stations, and can coordinate a permutation type within each resource allocation zone. The base stations can coordinate a pilot configuration in each of a plurality of coordinated resource allocation regions. Subscriber stations can be assigned resources in a coordinated resource allocation region based on interference levels. A subscriber station can determine a channel estimate for each of multiple base stations in the coordinated resource allocation region to mitigate interference.
摘要翻译：描述了用于减轻跨越多个相邻覆盖区域的基本上相同的工作频带的无线通信系统中的小区间干扰的方法和装置。操作频带可以在多个相邻或相邻的小区之间共享，例如在频率重用一个配置中。无线通信系统可以跨多个基站同步一个或多个资源分配区域或区域，并且可以协调每个资源分配区域内的置换类型。基站可以协调多个协调资源分配区域中的每一个中的导频配置。可以基于干扰级别在协调的资源分配区域中为用户站分配资源。订户站可以确定协调资源分配区域中的多个基站中的每个基站的信道估计以减轻干扰。

94. 发明申请

US20090257406A1 REDUCTION OF TRANSMISSION OVERHEAD IN A WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：减少无线通信系统中的传输
公开(公告)号：US20090257406A1
公开(公告)日：2009-10-15
申请号：US12100339
申请日：2008-04-09
申请人： Hari Sankar , Srikanth Gummadi
发明人： Hari Sankar , Srikanth Gummadi
IPC分类号： H04J3/00 , H04L27/00
CPC分类号： H04L5/0053 , H04L5/023 , H04W72/121 , H04W72/1289
摘要： Methods and apparatuses for reducing the overhead associated with transmitting MAPs are provided by grouping client stations in different constellations into one of two or more groups/allocations based partially upon their respective channel conditions. As a result of grouping, client stations within each group/allocation share a single resource allocation and in addition, the different groups of client stations can be scheduled such that variable modulation repeat-coding schemes can be implemented for map transmissions to each group, thereby reducing the repetition rates and overhead associated with map transmissions.
摘要翻译：通过部分地基于它们各自的信道条件将不同星座中的客户站分组成两个或多个组/分配中的一个来提供用于减少与发送MAP相关联的开销的方法和装置。作为分组的结果，每个组/分配中的客户端站共享单个资源分配，此外，可以调度不同的客户端组，使得可以实现可变调制重复编码方案用于到每个组的映射传输，从而减少与地图传输相关的重复率和开销。

95. 发明申请

US20090075667A1 PERSISTENT RESOURCE ALLOCATION 有权
标题翻译：持续资源分配
公开(公告)号：US20090075667A1
公开(公告)日：2009-03-19
申请号：US12205436
申请日：2008-09-05
申请人： Yair Bourlas
发明人： Yair Bourlas
IPC分类号： H04W72/00
CPC分类号： H04W72/0453 , H04L1/0004 , H04L1/001 , H04L1/1861 , H04L1/1887 , H04L5/0007 , H04L5/003 , H04L5/0053 , H04L5/0055 , H04L5/0096 , H04W72/04 , H04W72/0466 , H04W88/08
摘要： Methods and apparatus for communicating and utilizing persistent allocation of uplink resources are described herein. A base station can allocate persistent uplink resources to a client station, such that the resource allocation remains active for future uplink frames without the client station repeating a request for uplink resources or the base station expressly communicating the uplink resource allocation. A client station can request a persistent uplink resource allocation when wireless channel conditions are fairly consistent and not varying and the required uplink resources are predictably periodic and fixed in size. The base station can verify that the uplink resource request meets the criteria for persistent allocation and can allocate persistent uplink resources in a dedicated information element of an uplink resource map that is transmitted to the user. The resources allocated remain allocated to the client station in each frame satisfying a predetermined periodicity until deallocated.
摘要翻译：这里描述了用于传送和利用上行链路资源的持续分配的方法和装置。基站可以向客户站分配持续的上行链路资源，使得资源分配对于未来的上行链路帧保持活动，而客户站不重复对上行链路资源的请求或基站明确地传送上行链路资源分配。当无线信道条件相当一致且不变化时，客户站可以请求持续的上行链路资源分配，并且所需的上行链路资源是可预测的周期性且固定的大小。基站可以验证上行链路资源请求是否满足持续分配的标准，并且可以在发送给用户的上行链路资源映射的专用信息元素中分配持续上行链路资源。所分配的资源在满足预定周期的每个帧中被分配给客户端，直到被释放。

96. 发明申请

US20080253320A1 System and Method for Facilitating Co-Channel and Co-Existence Via Enhanced Frame Preambles 失效
标题翻译：通过增强帧前缀促进协同信道和共存的系统和方法
公开(公告)号：US20080253320A1
公开(公告)日：2008-10-16
申请号：US11930695
申请日：2007-10-31
申请人： Paul W. Piggin , Srikanth Gummadi , Ron Porat , Kenneth L. Stanwood
发明人： Paul W. Piggin , Srikanth Gummadi , Ron Porat , Kenneth L. Stanwood
IPC分类号： H04Q7/20
CPC分类号： H04W16/14 , H04W8/005 , H04W48/12 , H04W76/10 , H04W92/20
摘要： Enhanced frame preambles facilitate co-channel co-existence in a wireless communication environment by having at least one preamble characteristic that connotes channel-sharing information regarding the wireless communication environment. In an exemplary embodiment, a downlink subframe is received in one or more wireless communication signals in a wireless communication environment. A preamble is detected in the downlink subframe, and at least one characteristic of the preamble is ascertained. Channel-sharing information for the wireless communication environment is determined based upon the at least one characteristic of the preamble. In another exemplary embodiment, a channel is scanned to detect secondary preambles being transmitted on the channel. A current preamble configuration, including a permutation of preamble location and preamble content corresponding to the secondary preambles, is determined, which connote channel-sharing information. A next available preamble location may be adopted based on the current preamble configuration.
摘要翻译：增强帧前同步码通过具有至少一个前导码特性来促进无线通信环境中的共信道共存，该前导码特征意味着关于无线通信环境的信道共享信息。在示例性实施例中，在无线通信环境中的一个或多个无线通信信号中接收下行链路子帧。在下行链路子帧中检测到前导码，并且确定前导码的至少一个特征。基于前导码的至少一个特征来确定用于无线通信环境的信道共享信息。在另一示例性实施例中，扫描信道以检测正在信道上发送的辅助前同步码。确定包括前导码位置的置换和对应于次要前导码的前导码内容的当前前置码配置，这意味着信道共享信息。可以基于当前前置码配置来采用下一个可用的前导码位置。

97. 发明申请

US20080153504A1 Shorthand Connection Identifier with Embedded Subfield 有权
标题翻译：带有嵌入式子字段的快速连接标识符
公开(公告)号：US20080153504A1
公开(公告)日：2008-06-26
申请号：US11616210
申请日：2006-12-26
申请人： Yair Bourlas , Todd Sutton , Srikanth Gummadi , Lei Wang
发明人： Yair Bourlas , Todd Sutton , Srikanth Gummadi , Lei Wang
IPC分类号： H04Q7/20 , H04M1/00
CPC分类号： H04W72/1289 , H04W52/08 , H04W76/11
摘要： A base station can communicate resource allocation to a wireless mobile station in an uplink map information element. The base station can identify destination mobile stations using a shorthand connection identifier. The base station parses the connection identifier field into a shorthand connection identifier field and an embedded subfield data field. The shorthand connection identifier field can be sized to support a predetermined number of mobile stations. The base station can further parse the embedded subfield field into a number of sub-fields, each communicating a different set of control information. In one embodiment, the base station utilizes the embedded subfield to communicate power, timing, and frequency information to the destination mobile station.
摘要翻译：基站可以在上行链路映射信息元素中向无线移动站传送资源分配。基站可以使用速记连接标识符来识别目的地移动站。基站将连接标识符字段解析为速记连接标识符字段和嵌入式子字段数据字段。缩写连接标识符字段的大小可以支持预定数量的移动台。基站可以进一步将嵌入式子场场解析为多个子场，每个子场传送一组不同的控制信息。在一个实施例中，基站利用嵌入式子场向目的地移动台传送功率，定时和频率信息。

98. 发明申请

US20130065623A1 WIRELESS TRANSCEIVER WITH REDUCED TRANSMIT EMISSIONS 有权
标题翻译：具有减少发射功率的无线收发器
公开(公告)号：US20130065623A1
公开(公告)日：2013-03-14
申请号：US13618102
申请日：2012-09-14
申请人： Srikanth Gummadi , Lei Wang , Walid Hosseini , Todd Sutton
发明人： Srikanth Gummadi , Lei Wang , Walid Hosseini , Todd Sutton
IPC分类号： H04B15/00
CPC分类号： H04B1/0475 , H04B1/525 , H04L5/0007 , H04L5/003 , H04L5/0066
摘要： Methods and apparatus for reducing transmit emissions are described herein. The transmit out of band emissions in an adjacent band can be reduced while complying with existing wireless communication standards through utilization of one or more of reduced transmit bandwidth, transmit operating band offset, and channel index remapping. The transceiver can support a receive operating band substantially adjacent to a band edge. The transmit operating band can be offset from an adjacent frequency band, and can use a narrower operating band than is supported by the receiver. The transmit baseband signal can have a reduced bandwidth to reduce the amount of noise. The frequency offset can introduce a larger transition band between the transmit operating band edges and the adjacent frequency band of interest. The transceiver can remap channel assignments to compensate for the frequency offset such that the frequency offset introduced in the transmitter is transparent to channel allocation.
摘要翻译：本文描述了用于减少发射发射的方法和装置。通过利用减少的发送带宽，发射工作频带偏移和信道索引重映射中的一个或多个，可以减少相邻频带中的发射带外发射，同时遵守现有的无线通信标准。收发器可以支持基本上与带边缘相邻的接收操作带。发射工作频带可以偏离相邻频带，并且可以使用比由接收机支持的更窄的工作频带。发射基带信号可以具有减小的带宽以减少噪声量。频率偏移可以在发射工作频带边缘和感兴趣的相邻频带之间引入更大的转换频带。收发器可以重新分配信道分配以补偿频率偏移，使得在发射机中引入的频率偏移对信道分配是透明的。

99. 发明申请

US20100061333A1 EFFICIENT AND CONSISTENT WIRELESS DOWNLINK CHANNEL CONFIGURATION 失效
标题翻译：有效和一致的无线下行通道配置
公开(公告)号：US20100061333A1
公开(公告)日：2010-03-11
申请号：US12400618
申请日：2009-03-09
申请人： Gene Marsh , Srikanth Gummadi , William Burchill , Michael Wengler
发明人： Gene Marsh , Srikanth Gummadi , William Burchill , Michael Wengler
IPC分类号： H04W72/12
CPC分类号： H04W72/042 , H04B2201/70701 , H04B2201/70702 , H04J11/0069 , H04W4/00 , H04W72/082
摘要： A configuration for downlink signals in a wireless communication system, methods of configuring the downlink signals, apparatus for generating the downlink signals, and apparatus for receiving and processing the downlink signals are described herein. Downlink signals in a wireless communication system are reconfigured in series of frames, with each frame carrying a preamble that provides fast cell search and system acquisition. In particular, the preamble includes a primary preamble and a secondary preamble, where the primary preamble is common to all sectors in a base station and all base stations in a system and the secondary preamble is effectively unique to each base station, and may be further distinguished based on a sector basis. In addition, pilot signals are aligned with base stations to occur at the same time within a frame and the PN sequence values of the pilot signals are based on a cell identification an antenna identification, thereby enabling prediction of pilots transmitted by interferers or neighboring base stations from acquisition of secondary preambles. Also, the pilot bits are selectively assigned from a center of an operating band outward. Due to the pilot placement and pilot modulation, the scheme enables interference mitigation and channel estimation without knowing the frequency bandwidth, which is especially advantageous in broadcast channel systems.
摘要翻译：这里描述了无线通信系统中的下行链路信号的配置，配置下行链路信号的方法，用于生成下行链路信号的装置，以及用于接收和处理下行链路信号的装置。在无线通信系统中的下行链路信号被重新配置为一系列帧，每个帧携带提供快速小区搜索和系统获取的前同步码。具体地，前导码包括主前同步码和次前导码，其中主前同步码对于基站中的所有扇区和系统中的所有基站是公共的，并且次前导码对于每个基站是有效唯一的，并且可以进一步区分基于行业基础。此外，导频信号与基站对准，在帧内同时发生，导频信号的PN序列值基于小区识别天线识别，从而能够预测由干扰源或相邻基站发射的导频从获得二级前导码。此外，从操作频带的中心向外选择性地分配导频比特。由于导频放置和导频调制，该方案能够在不知道频带宽度的情况下实现干扰减轻和信道估计，这在广播信道系统中特别有利。

100. 发明申请

US20100009707A1 SIGNAL TRANSMISSION PARAMETER CONTROL USING CHANNEL SOUNDING 失效
标题翻译：使用通道声音的信号传输参数控制
公开(公告)号：US20100009707A1
公开(公告)日：2010-01-14
申请号：US12169537
申请日：2008-07-08
申请人： Ron Porat
发明人： Ron Porat
IPC分类号： H04B7/005 , H04B7/26
CPC分类号： H04W88/08 , H04L5/0007 , H04L5/0051 , H04L25/0228 , H04L25/03343 , H04L27/2662 , H04L2025/03815 , H04W52/241
摘要： A base station (BTS) may instruct a client station (CS) to transmit sounding signals that the BTS may analyze to determine what adjustments, such as power, time, and/or frequency adjustment(s) should be made by the CS. The BTS may control when and how the sounding signals are sent by the CS. This helps reduce the possibility of adjustment signals transmitted by two or more CSs colliding. Thus, sounding signals transmitted by the CS in response to a request by the BTS can be received by the BTS with higher a probability of success. This permits the BTS to more accurately characterize the channel and to provide better adjustment of power level, frequency offset, and/or timing offset for more optimal communication. Such techniques can be used to reduce bit error rates and to improve the overall signal to noise ratio encountered by the system.
摘要翻译：基站（BTS）可以指示客户站（CS）发送BTS可以分析的探测信号，以确定CS应该进行哪些调整，诸如功率，时间和/或频率调整。 BTS可以控制CS的发送信号的时间和方式。这有助于减少由两个或多个CS发生的调整信号的碰撞的可能性。因此，响应于BTS的请求，由CS发送的探测信号可以由BTS以更高的成功概率接收。这允许BTS更准确地表征信道，并且为了更优化的通信而提供功率电平，频率偏移和/或定时偏移的更好的调整。这样的技术可以用于降低误码率并提高系统遇到的整体信噪比。

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