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公开(公告)号：US08064424B2
公开(公告)日：2011-11-22
申请号：US11213463
申请日：2005-08-26
申请人： Sharad Deepak Sambhwani , Dhananjay Ashok Gore , Avneesh Agrawal , Arak Sutivong , Alexei Gorokhov
发明人： Sharad Deepak Sambhwani , Dhananjay Ashok Gore , Avneesh Agrawal , Arak Sutivong , Alexei Gorokhov
IPC分类号： H04B7/216
CPC分类号： H04J13/0048 , H04J13/18
摘要： Systems and methodologies are described that facilitate increasing system capacity in a code-limited WCDMA (e.g., TDD, FDD, . . . ) wireless communication environment. According to one aspect, a larger code space can be defined by introducing multiple code clusters within a sector, wherein each cluster has a unique scrambling code. Codes within a cluster can have orthogonal Walsh sequences that can be assigned to user devices to facilitate communicating over a wireless network and can overlap with codes in another cluster. The unique scrambling code assigned to each cluster can ensure that duplicate Walsh sequences in another cluster in the same sector appear as a pseudo-noise codes.
摘要翻译： 描述了在有限的WCDMA（例如，TDD，FDD，...）无线通信环境中增加系统容量的系统和方法。 根据一个方面，可以通过在扇区内引入多个码集来定义更大的码空间，其中每个群集具有唯一的扰码。 群集内的代码可以具有可被分配给用户设备的正交沃尔什序列，以便于通过无线网络进行通信并且可以与另一个群集中的代码重叠。 分配给每个簇的唯一扰码可以确保同一扇区中另一个簇中的重复沃尔什序列显示为伪噪声码。
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2.发明授权Channel equalization with non-common midamble allocation in 3GPP TD-CDMA systems 有权在3GPP TD-CDMA系统中使用非公共中置码分配的信道均衡公开(公告)号：US08102795B2
公开(公告)日：2012-01-24
申请号：US11684251
申请日：2007-03-09
IPC分类号： H04B7/212
CPC分类号： H04L25/03038 , H04L25/0228
摘要： Systems and methodologies are described that facilitate implementing a linear adaptive equalizer receiver on the downlink link of a UMTS TDD wireless communication system. A reference signal can be generated based on multiple non-common midamble sequences in a time slot of a received transmission. Traffic-to-pilot ratios for channel codes in the time slot can be generated, and relative strengths of channel codes associated with specific midambles can be determined to weight the midamble. A plurality of the weighted midambles can then be utilized to generate a reference signal to train the equalizer, which can facilitate utilization of total aggregate midamble energy rather than midamble energy associated with a single midamble in the signal.
摘要翻译： 描述了有助于在UMTS TDD无线通信系统的下行链路链路上实现线性自适应均衡器接收机的系统和方法。 可以基于接收到的传输的时隙中的多个非公共中继码序列来生成参考信号。 可以生成时隙中的信道码的业务导频比，并且可以确定与特定中间码相关联的信道码的相对强度以加权中间码。 然后可以利用多个加权的中间码来产生参考信号以训练均衡器，这可以有助于总共聚合中间码能量的利用，而不是信号中与单个中间码相关联的中间码能量。
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3.发明授权Varying scrambling/OVSF codes within a TD-CDMA slot to overcome jamming effect by a dominant interferer 有权在TD-CDMA时隙内改变加扰/ OVSF码，以克服主要干扰源的干扰效应公开(公告)号：US08068464B2
公开(公告)日：2011-11-29
申请号：US11553973
申请日：2006-10-27
CPC分类号： H04K3/224 , H04B1/7097 , H04B2201/709709 , H04J13/00 , H04J13/0074 , H04K1/00
摘要： An apparatus and method for varying scrambling codes within a radio frame time slot for a user device in a wireless communication environment including detecting interference of the user device; and varying a scrambling code sequence employed to multiply a Walsh code assigned to the user device at least once within a transmission time slot.
摘要翻译： 一种用于在无线通信环境中用于在用户设备的无线电帧时隙内改变扰码的装置和方法，包括检测用户设备的干扰; 以及改变用于在传输时隙内至少一次地分配给用户设备的沃尔什码的扰码序列。
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4.发明申请ESTIMATION OF THERMAL NOISE AND RISE-OVER-THERMAL IN A WIRELESS COMMUNICATION SYSTEM 有权无线通信系统中热噪声和上升热的估计公开(公告)号：US20080267086A1
公开(公告)日：2008-10-30
申请号：US12107013
申请日：2008-04-21
申请人： Charles E. Wheatley , Avneesh Agrawal , Danlu Zhang , Sharad Deepak Sambhwani , Lu Yuan , Mehraban Iraninejad
发明人： Charles E. Wheatley , Avneesh Agrawal , Danlu Zhang , Sharad Deepak Sambhwani , Lu Yuan , Mehraban Iraninejad
IPC分类号： H04L12/26
CPC分类号： H04B17/382 , H04B17/345
摘要： Techniques for estimating thermal noise and rise-over-thermal (RoT) in a communication system are described. In an aspect, thermal noise in a sideband may be measured and used to estimate thermal noise in a signal band. In one design, received power in the sideband may be measured, e.g., by computing total power of FFT transform coefficients within the sideband. Thermal noise may be estimated based on (e.g., by filtering) the measured received power in the sideband. Received power in the signal band may also be measured. Total received power may be estimated based on (e.g., by filtering) the measured received power in the signal band. RoT may then be estimated based on the estimated thermal noise and the estimated total received power. The estimated RoT may be used to estimate an available load for a cell, which may be used to admit and/or schedule users in the cell.
摘要翻译： 描述了用于估计通信系统中的热噪声和上升热（RoT）的技术。 在一方面，边带中的热噪声可以被测量并用于估计信号频带中的热噪声。 在一种设计中，边带中的接收功率可以例如通过计算边带内的FFT变换系数的总功率来测量。 可以基于（例如，通过滤波）边带中的测量的接收功率来估计热噪声。 也可以测量信号频带中的接收功率。 可以基于（例如，通过滤波）在信号频带中测量的接收功率来估计总接收功率。 然后可以基于估计的热噪声和估计的总接收功率来估计RoT。 估计的RoT可以用于估计小区的可用负载，其可以用于接纳和/或调度小区中的用户。
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5.发明申请CHANNEL EQUALIZATION WITH NON-COMMON MIDAMBLE ALLOCATION IN 3GPP TD-CDMA SYSTEMS 有权在3GPP TD-CDMA系统中使用非公共MIDAMBLE分配的信道均衡公开(公告)号：US20080219342A1
公开(公告)日：2008-09-11
申请号：US11684251
申请日：2007-03-09
CPC分类号： H04L25/03038 , H04L25/0228
摘要： Systems and methodologies are described that facilitate implementing a linear adaptive equalizer receiver on the downlink link of a UMTS TDD wireless communication system. A reference signal can be generated based on multiple non-common midamble sequences in a time slot of a received transmission. Traffic-to-pilot ratios for channel codes in the time slot can be generated, and relative strengths of channel codes associated with specific midambles can be determined to weight the midamble. A plurality of the weighted midambles can then be utilized to generate a reference signal to train the equalizer, which can facilitate utilization of total aggregate midamble energy rather than midamble energy associated with a single midamble in the signal.
摘要翻译： 描述了有助于在UMTS TDD无线通信系统的下行链路链路上实现线性自适应均衡器接收机的系统和方法。 可以基于接收到的传输的时隙中的多个非公共中继码序列来生成参考信号。 可以生成时隙中的信道码的业务导频比，并且可以确定与特定中间码相关联的信道码的相对强度以加权中间码。 然后可以利用多个加权的中间码来产生参考信号以训练均衡器，这可以有助于总共聚合中间码能量的利用，而不是信号中与单个中间码相关联的中间码能量。
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6.发明授权Uplink soft handoff support in UMTS TDD systems for efficient uplink power and rate control 有权UMTS TDD系统中的上行链路软切换支持，用于高效的上行链路功率和速率控制公开(公告)号：US08315633B2
公开(公告)日：2012-11-20
申请号：US11357552
申请日：2006-02-16
IPC分类号： H04Q7/20
CPC分类号： H04W36/18 , Y02D70/1242 , Y02D70/1262
摘要： Systems and methodologies are described that facilitate supporting uplink soft handoff in a UMTS TDD wireless communication environment. A virtual active set (VAS) for each user device can be generated at the network side of the communication environment, and sectors listed in each VAS can be informed of their respective listings. Sectors in a user device's VAS can be provided with a scrambling code and resource assignments from a nominal sector serving the user device, which information can be employed to attempt to receive and demodulate uplink signals from the user device at all base stations in the VAS thereof. Additionally, such resources can be employed to transmit power control and reverse activity commands to the user device on the downlink.
摘要翻译： 描述了有助于在UMTS TDD无线通信环境中支持上行链路软切换的系统和方法。 可以在通信环境的网络侧生成每个用户设备的虚拟活动集（VAS），并且可以将每个VAS中列出的扇区通知其各自的列表。 用户设备的VAS中的扇区可以被提供来自服务于用户设备的标称扇区的扰码和资源分配，该信息可以用于尝试在其VAS中的所有基站处尝试从用户设备接收和解调上行链路信号 。 此外，可以使用这样的资源来在下行链路上向用户设备发送功率控制和反向活动命令。
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7.发明授权Estimation of thermal noise and rise-over-thermal in a wireless communication system 有权无线通信系统中热噪声和上升热的估计公开(公告)号：US08254279B2
公开(公告)日：2012-08-28
申请号：US12107013
申请日：2008-04-21
申请人： Charles E. Wheatley, III , Avneesh Agrawal , Danlu Zhang , Sharad Deepak Sambhwani , Lu Yuan , Mehraban Iraninejad
发明人： Charles E. Wheatley, III , Avneesh Agrawal , Danlu Zhang , Sharad Deepak Sambhwani , Lu Yuan , Mehraban Iraninejad
CPC分类号： H04B17/382 , H04B17/345
摘要： Techniques for estimating thermal noise and rise-over-thermal (RoT) in a communication system are described. In an aspect, thermal noise in a sideband may be measured and used to estimate thermal noise in a signal band. In one design, received power in the sideband may be measured, e.g., by computing total power of FFT transform coefficients within the sideband. Thermal noise may be estimated based on (e.g., by filtering) the measured received power in the sideband. Received power in the signal band may also be measured. Total received power may be estimated based on (e.g., by filtering) the measured received power in the signal band. RoT may then be estimated based on the estimated thermal noise and the estimated total received power. The estimated RoT may be used to estimate an available load for a cell, which may be used to admit and/or schedule users in the cell.
摘要翻译： 描述了用于估计通信系统中的热噪声和上升热（RoT）的技术。 在一方面，边带中的热噪声可以被测量并用于估计信号频带中的热噪声。 在一种设计中，边带中的接收功率可以例如通过计算边带内的FFT变换系数的总功率来测量。 可以基于（例如，通过滤波）边带中的测量的接收功率来估计热噪声。 也可以测量信号频带中的接收功率。 可以基于（例如，通过滤波）在信号频带中测量的接收功率来估计总接收功率。 然后可以基于估计的热噪声和估计的总接收功率来估计RoT。 估计的RoT可以用于估计小区的可用负载，其可以用于接纳和/或调度小区中的用户。
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8.发明授权公开(公告)号：US09084207B2
公开(公告)日：2015-07-14
申请号：US13291051
申请日：2011-11-07
CPC分类号： H04W52/325 , H04B7/0413 , H04W52/146 , H04W52/16
摘要： Methods and apparatuses are provided for uplink MIMO transmissions in a wireless communication system. In particular, an enhanced pilot reference may be provided for enabling increased data rates on a secondary stream. Specifically, a primary stream, provided on a primary virtual antenna, includes an enhanced primary data channel E-DPDCH, a primary control channel DPCCH, and an enhanced primary control channel E-DPCCH. Further, a secondary stream, provided on a secondary virtual antenna, includes an enhanced secondary data channel S-E-DPDCH and a secondary control channel S-DPCCH. Here, the secondary control channel S-DPCCH may be transmitted at a boosted power level relative to a determined reference power level.
摘要翻译： 在无线通信系统中提供用于上行链路MIMO传输的方法和装置。 特别地，可以提供增强的导频参考以使得能够在次流上实现增加的数据速率。 具体地说，提供在主虚拟天线上的主流包括增强的主数据信道E-DPDCH，主控制信道DPCCH以及增强型主控制信道E-DPCCH。 此外，设置在辅助虚拟天线上的次流包括增强的辅助数据信道S-E-DPDCH和辅助控制信道S-DPCCH。 这里，次级控制信道S-DPCCH可以相对于确定的参考功率电平以升高的功率电平发送。
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公开(公告)号：US09001750B2
公开(公告)日：2015-04-07
申请号：US13079549
申请日：2011-04-04
摘要： Apparatus and methods that provide wireless communications, where a method for wireless communications includes receiving at a Node B a first set of bits indicating at least two frequency bands supported by a UE for HSDPA, the first set of bits further specifying a number of downlink adjacent carriers supported by the UE for each of the at least two frequency bands. The method also includes transmitting a first set of bits indicating support for a set of carriers for each band, the information comprising information related to a maximum channel bandwidth supported for that band; and transmitting a second set of bits indicating a configuration for the set of carriers under which multiple uplinks will be supported.
摘要翻译： 提供无线通信的装置和方法，其中用于无线通信的方法包括在节点B处接收指示UE为HSDPA支持的至少两个频带的第一组比特，所述第一组比特还指定下行链路相邻的数量 所述UE支持所述至少两个频带中的每一个的载波。 该方法还包括：发送指示支持每个频带的一组载波的第一组比特，该信息包括与该频带支持的最大信道带宽有关的信息; 以及发送指示将支持多个上行链路的载波集合的配置的第二组比特。
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公开(公告)号：US08942147B2
公开(公告)日：2015-01-27
申请号：US13344222
申请日：2012-01-05
申请人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
发明人： Yibo Jiang , Sharad Deepak Sambhwani , Jilei Hou
CPC分类号： H04B7/0658 , H04B7/0413 , H04B7/0617
摘要： Apparatus and methods for communicating in a wireless network include receiving a weight vector in a slot for providing closed loop transmit diversity to signals in a next slot, holding the weight vector over a plurality of slots following a transmission burst, and applying the weight vector to signals in at least one slot of a subsequent transmission burst in discontinuous transmit. Additional apparatus and methods for communicating in a wireless network include determining a weight vector based on signals received from a device to provide closed loop transmit diversity feedback to the device, holding the weight vector over a plurality of slots following receiving a transmission burst, and applying the weight vector for signals received in at least one slot of a subsequent transmission burst from the device.
摘要翻译： 用于在无线网络中进行通信的设备和方法包括：在时隙中接收权重向量，以向下一个时隙中的信号提供闭环发射分集，将传播突发之后的多个时隙保持权重向量，并将该权重向量 在不连续发送中的后续传输突发的至少一个时隙中的信号。 用于在无线网络中进行通信的附加装置和方法包括基于从设备接收的信号来确定权重向量，以向接收到传输突发的数据提供闭环发射分集反馈给该设备，保持加权矢量在多个时隙上，以及应用 在来自设备的后续传输突发的至少一个时隙中接收的信号的权重向量。
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