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    • 1. 发明授权
    • Evaluation of random access preamble codes
    • 随机接入前导码的评估
    • US07986946B2
    • 2011-07-26
    • US11993985
    • 2005-06-29
    • Jan Pettersson
    • Jan Pettersson
    • H04W4/00
    • H04W24/00H04W24/08H04W88/18
    • The present invention relates to methods and arrangements for gathering statistics relating to random access operation in a cell of a cellular radio communication network and supervising such random access operation. Statistics are gathered (301), per random access preamble code, relating to random access detections associated with one or more random access preamble codes used in the cell. Based on such gathered statistics, random access operation in the cell may be supervised by evaluating (311) the gathered statistics and, upon determining (312) that the random access detections associated with a specific random access preamble code exhibit an abnormal behaviour likely to be caused by false random access preamble detections, initiating (313) at least one of issuing a corresponding operation and maintenance alarm signal and automatically blocking further use of said specific random access preamble code in the cell.
    • 本发明涉及用于收集与蜂窝无线电通信网络的小区中的随机接入操作相关的统计信息并监督这种随机接入操作的方法和装置。 对于与在该小区中使用的一个或多个随机接入前导码相关联的随机接入检测,每个随机接入前导码的收集统计信息(301)。 基于这样收集的统计,可以通过评估(311)收集的统计信息来监督小区中的随机接入操作,并且在确定(312)与特定随机接入前导码相关联的随机接入检测表现出可能是异常行为时 由伪随机接入前导码检测引起的,发起(313)发出对应的操作和维护报警信号中的至少一个,并自动阻止进一步使用小区中的特定随机接入前导码。
    • 2. 发明授权
    • Allocating power when simultaneously sending multiple messages
    • 同时发送多条消息时分配电源
    • US07586865B2
    • 2009-09-08
    • US11472552
    • 2006-06-22
    • Leif Thomas ÖstmanJan Pettersson
    • Leif Thomas ÖstmanJan Pettersson
    • H04B7/185
    • H04J13/00H04W52/143H04W52/346H04W52/50H04W52/52H04W52/58
    • A base station receives multiple first signals from multiple mobile terminals over a first radio channel (e.g., a RACH, a CPCH, etc.). Multiple acknowledgement signals are generated for transmission over an acquisition indication channel (AICH) during a same access time slot. Each acknowledgement signal is responsive to one of the mobile terminals and includes a signature sequence of bits associated with the first signal received from that mobile terminal. An AICH transmission power profile is determined for the access time slot. If the AICH transmission power profile exceeds a predetermined maximum transmission power parameter, then a first portion of the an AICH transmission power profile is adjusted. Thereafter, the acknowledgement signals are transmitted over the AICH in accordance with the adjusted AICH transmission power profile.
    • 基站通过第一无线电信道(例如,RACH,CPCH等)从多个移动终端接收多个第一信号。 生成多个确认信号以在相同的访问时隙期间通过获取指示信道(AICH)进行传输。 每个确认信号响应于移动终端中的一个,并且包括与从该移动终端接收的第一信号相关联的位的签名序列。 为访问时隙确定AICH传输功率分布。 如果AICH发送功率曲线超过预定的最大发送功率参数,则调整AICH发送功率曲线的第一部分。 此后,根据调整后的AICH发送功率分布,通过AICH发送确认信号。
    • 3. 发明授权
    • Marine propulsion and steering unit
    • 船舶推进和转向单元
    • US6165031A
    • 2000-12-26
    • US194911
    • 1998-12-04
    • Stig LonngrenJan Pettersson
    • Stig LonngrenJan Pettersson
    • B63H25/42B63H5/125B63H21/17B63H23/24B63H25/38
    • B63H25/381B63H5/125B63H23/24B63H2005/1258
    • A marine propulsion and steering unit (10) comprises a pod (13) having front and rear ends, a driving machine (14), e.g. a drive motor, accommodated in the pod, a substantially horizontal propeller shaft (15) drivingly connected to the driving machine and provided with a propeller (18) externally of the front end of the pod (13), and an upright pod supporting strut (12) rigidly attached to the pod and having at the upper end thereof swivel bearing means (11) supporting the pod supporting strut and the pod below a buoyant body for angular motion about a substantially vertical axis (C). The pod supporting strut (12) is shaped essentially as an upstanding airfoil the chord plane (V) of which contains or is proximal to the axis (T) of the propeller shaft (15) and the leading edge (12A) of which is directed towards the propeller (18). At the trailing edge (12L) thereof the pod supporting strut (12) is provided with a rudder (19) which is angularly movable about an axis (L) disposed in or parallel to the chord plane (V) of the pod supporting strut and at an angle to the axis (T) of the propeller shaft.
    • PCT No.PCT / SE97 / 00997 Sec。 371 1998年12月4日第 102(e)日期1998年12月4日PCT提交1997年6月6日PCT公布。 公开号WO97 / 46445 PCT 日期1997年12月11日船舶推进和转向单元(10)包括具有前端和后端的舱(13),驱动机器(14) 驱动马达,容纳在所述舱内,驱动地连接到所述驱动机器并且在所述舱(13)的前端外部设置有螺旋桨(18)的基本水平的推进器轴(15),以及支撑支柱 12),其刚性地连接到容器并且在其上端处具有支撑荚支撑支柱的旋转支承装置(11)和在浮力体下方的用于围绕基本上垂直的轴线(C)的角运动的荚状物。 荚支撑支柱(12)的形状基本上是直立的翼型,其翼平面(V)包含或近似于传动轴(15)的轴线(T)并且其前缘(12A)被引导 朝向螺旋桨(18)。 在其后缘(12L)处,荚支撑支柱(12)设置有方向舵(19),其可围绕设置在或平行于荚支撑支柱的弦平面(V)的轴线(L)成角度地移动, 与传动轴的轴线(T)成一角度。
    • 5. 发明申请
    • Allocating power when simultaneously sending multiple messages
    • 同时发送多条消息时分配电源
    • US20070298824A1
    • 2007-12-27
    • US11472552
    • 2006-06-22
    • Leif Thomas OstmanJan Pettersson
    • Leif Thomas OstmanJan Pettersson
    • H04B7/00H04Q7/20
    • H04J13/00H04W52/143H04W52/346H04W52/50H04W52/52H04W52/58
    • A base station receives multiple first signals from multiple mobile terminals over a first radio channel (e.g., a RACH, a CPCH, etc.). Multiple acknowledgement signals are generated for transmission over an acquisition indication channel (AICH) during a same access time slot. Each acknowledgement signal is responsive to one of the mobile terminals and includes a signature sequence of bits associated with the first signal received from that mobile terminal. An AICH transmission power profile is determined for the access time slot. If the AICH transmission power profile exceeds a predetermined maximum transmission power parameter, then a first portion of the an AICH transmission power profile is adjusted. Thereafter, the acknowledgement signals are transmitted over the AICH in accordance with the adjusted AICH transmission power profile.
    • 基站通过第一无线电信道(例如,RACH,CPCH等)从多个移动终端接收多个第一信号。 生成多个确认信号以在相同的访问时隙期间通过获取指示信道(AICH)进行传输。 每个确认信号响应于移动终端中的一个,并且包括与从该移动终端接收的第一信号相关联的位的签名序列。 为访问时隙确定AICH传输功率分布。 如果AICH发送功率曲线超过预定的最大发送功率参数,则调整AICH发送功率曲线的第一部分。 此后,根据调整后的AICH发送功率分布,通过AICH发送确认信号。
    • 6. 发明申请
    • Baseband sample selection
    • 基带样本选择
    • US20070248191A1
    • 2007-10-25
    • US11410281
    • 2006-04-25
    • Jan Pettersson
    • Jan Pettersson
    • H04L27/06H04B1/707H04L1/02
    • H04B1/707H04B1/7115H04B1/7117
    • A receiver receives a signal and samples it at multiple sample points. During a first time interval, a first subset of the multiple sample points are selected for further receiver processing. During a second time interval, a second different subset of the multiple sample points are selected for further receiver processing. Alternatively, the sampling positions for sampling the received signal may be automatically varied so that the sampling positions change in subsequent time intervals. The subsets may be alternately selected or varied, randomly selected or varied, or selected or varied in some other fashion. Some of sample points provide more optimal samples for the received signal, and some provide less optimal samples. Having different sample points processed at different times improves receiver stability and performance.
    • 接收器接收信号并在多个采样点进行采样。 在第一时间间隔期间,选择多个采样点的第一子集用于进一步的接收机处理。 在第二时间间隔期间,选择多个采样点的第二不同子集用于进一步的接收机处理。 或者,用于对接收信号进行采样的采样位置可以自动变化,使得采样位置在随后的时间间隔中改变。 可以以某种其他方式交替地选择或改变子集,随机选择或变化,或选择或变化。 一些采样点为接收信号提供更优化的采样,一些采样点提供较不优化的样本。 在不同时间处理不同的采样点可以提高接收机的稳定性和性能。
    • 9. 发明申请
    • Evaluation of Random Access Preamble Codes
    • 随机访问序列码的评估
    • US20080207196A1
    • 2008-08-28
    • US11993985
    • 2005-06-29
    • Jan Pettersson
    • Jan Pettersson
    • H04Q7/20
    • H04W24/00H04W24/08H04W88/18
    • The present invention relates to methods and arrangements for gathering statistics relating to random access operation in a cell of a cellular radio communication network and supervising such random access operation. Statistics are gathered (301), per random access preamble code, relating to random access detections associated with one or more random access preamble codes used in the cell. Based on such gathered statistics, random access operation in the cell may be supervised by evaluating (311) the gathered statistics and, upon determining (312) that the random access detections associated with a specific random access preamble code exhibit an abnormal behaviour likely to be caused by false random access preamble detections, initiating (313) at least one of issuing a corresponding operation and maintenance alarm signal and automatically blocking further use of said specific random access preamble code in the cell.
    • 本发明涉及用于收集与蜂窝无线电通信网络的小区中的随机接入操作相关的统计信息并监督这种随机接入操作的方法和装置。 对于与在该小区中使用的一个或多个随机接入前导码相关联的随机接入检测,每个随机接入前导码的收集统计信息(301)。 基于这样收集的统计,可以通过评估(311)收集的统计信息来监督小区中的随机接入操作,并且在确定(312)与特定随机接入前导码相关联的随机接入检测表现出可能是异常行为时 由伪随机接入前导码检测引起的,发起(313)发出对应的操作和维护报警信号中的至少一个,并自动阻止进一步使用小区中的特定随机接入前导码。