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公开(公告)号：US06453166B1
公开(公告)日：2002-09-17
申请号：US09402034
申请日：2000-02-01
申请人： Yoshihiro Ishikawa , Etsuhiro Nakano , Minami Ishii , Masafumi Hata , Seizo Onoe
发明人： Yoshihiro Ishikawa , Etsuhiro Nakano , Minami Ishii , Masafumi Hata , Seizo Onoe
IPC分类号： H04Q320
摘要： A decision is made as to whether a radio base station acting as an interference source is present in a macrocell or microcell, so that the interference from a mobile station transmitting high power can be presented in advance. The base station inserts its transmission power value of a forward broadcast channel into broadcast information. A newly installed base station C, receiving a forward frequency band, measures the received level of the broadcast channel, and captures the transmission power value. When the transmission power value is large, the threshold value is reduced (THRb), and when the transmission power value is small, the threshold value is increased (THRa). If the received level L is less than the threshold value, a decision is made that the channel is available.
摘要翻译： 做出作为干扰源的无线基站是否存在于宏小区或微小区中的决定，从而能够提前发送来自发送高功率的移动台的干扰。 基站将前向广播信道的发送功率值插入到广播信息中。 接收正向频带的新安装的基站C测量广播信道的接收电平，并捕获发送功率值。 当发送功率值大时，阈值减小（THRb），发送功率值小时阈值增加（THRa）。 如果接收电平L小于阈值，则确定信道可用。
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12.发明授权Channel estimation device and method, demodulation device and method, and fading frequency decision device and method 有权信道估计装置及方法，解调装置及方法，衰落频率决策装置及方法公开(公告)号：US08295332B2
公开(公告)日：2012-10-23
申请号：US13033035
申请日：2011-02-23
CPC分类号： H04L25/0234 , H04B1/707 , H04B1/7115 , H04B2201/70701 , H04L25/0228
摘要： In this invention, a channel estimation value of data symbols of a data channel is calculated by weighting and averaging pilot symbols in a parallel time multiplexing method. Also, a channel estimation value of data symbols during each data symbol interval is calculated by dividing data symbols in a slot into a plurality of data symbol intervals, selecting pilot symbols suitable for calculation of a channel estimation value of data symbols during each data symbol interval and weighting and averaging that pilot symbols. Also, a fading frequency is detected based on an inner product value of pilot symbols. Weighting factors are changed based on the detected fading frequency. Also, a channel estimation value is calculated by weighting and averaging pilot signals using a plurality of weighting sequences. The calculated channel estimation value is used to demodulate received data. The output data with the highest quality is selected by judging reliability of these plurality of demodulated data. It is also possible to select some weighting sequences based on the result of the reliability judgment of the demodulated data for predetermined period of time. In this case, after the selection, demodulation is performed by using these selected weighting sequences only.
摘要翻译： 在本发明中，通过并行时间复用方法对导频符号进行加权和平均来计算数据信道的数据符号的信道估计值。 此外，通过将时隙中的数据符号划分为多个数据符号间隔来计算每个数据符号间隔期间的数据符号的信道估计值，在每个数据符号间隔期间选择适合于计算数据符号的信道估计值的导频符号 并对该导频符号进行加权和平均。 此外，基于导频符号的内积值来检测衰落频率。 加权因子根据检测到的衰落频率而改变。 此外，通过使用多个加权序列对导频信号进行加权和平均来计算信道估计值。 所计算的信道估计值用于解调接收的数据。 通过判断这些多个解调数据的可靠性来选择具有最高质量的输出数据。 也可以基于解调数据的可靠性判断的结果来选择一些加权序列预定的时间段。 在这种情况下，在选择之后，仅通过使用这些选择的加权序列来执行解调。
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13.发明申请CHANNEL ESTIMATION DEVICE AND METHOD, DEMODULATION DEVICE AND METHOD, AND FADING FREQUENCY DECISION DEVICE AND METHOD 有权信道估计装置和方法，解调装置和方法以及渐变频率决策装置和方法公开(公告)号：US20110142102A1
公开(公告)日：2011-06-16
申请号：US13033035
申请日：2011-02-23
CPC分类号： H04L25/0234 , H04B1/707 , H04B1/7115 , H04B2201/70701 , H04L25/0228
摘要： In this invention, a channel estimation value of data symbols of a data channel is calculated by weighting and averaging pilot symbols in a parallel time multiplexing method. Also, a channel estimation value of data symbols during each data symbol interval is calculated by dividing data symbols in a slot into a plurality of data symbol intervals, selecting pilot symbols suitable for calculation of a channel estimation value of data symbols during each data symbol interval and weighting and averaging that pilot symbols. Also, a fading frequency is detected based on an inner product value of pilot symbols. Weighting factors are changed based on the detected fading frequency. Also, a channel estimation value is calculated by weighting and averaging pilot signals using a plurality of weighting sequences. The calculated channel estimation value is used to demodulate received data. The output data with the highest quality is selected by judging reliability of these plurality of demodulated data. It is also possible to select some weighting sequences based on the result of the reliability judgment of the demodulated data for predetermined period of time. In this case, after the selection, demodulation is performed by using these selected weighting sequences only.
摘要翻译： 在本发明中，通过并行时间复用方法对导频符号进行加权和平均来计算数据信道的数据符号的信道估计值。 此外，通过将时隙中的数据符号划分为多个数据符号间隔来计算每个数据符号间隔期间的数据符号的信道估计值，在每个数据符号间隔期间选择适合于计算数据符号的信道估计值的导频符号 并对该导频符号进行加权和平均。 此外，基于导频符号的内积值来检测衰落频率。 加权因子根据检测到的衰落频率而改变。 此外，通过使用多个加权序列对导频信号进行加权和平均来计算信道估计值。 所计算的信道估计值用于解调接收的数据。 通过判断这些多个解调数据的可靠性来选择具有最高质量的输出数据。 也可以基于解调数据的可靠性判断的结果来选择一些加权序列预定的时间段。 在这种情况下，在选择之后，仅通过使用这些选择的加权序列来执行解调。
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公开(公告)号：US07388832B2
公开(公告)日：2008-06-17
申请号：US10828266
申请日：2004-04-21
申请人： Rie Nagato , Yoshihiro Ishikawa , Kazunori Obata , Seizo Onoe
发明人： Rie Nagato , Yoshihiro Ishikawa , Kazunori Obata , Seizo Onoe
CPC分类号： H04Q11/04 , H04Q2213/1325 , H04Q2213/13256 , H04Q2213/1337
摘要： A call-admission controller is disclosed that allocates, out of shared resources in a communications system, resources required for communication in multiple calls of different priorities. The controller includes an impact-judging unit configured to make a judgment of, when having detected a low-priority call, the impact of the low priority call on the communications system, and a low-priority call admission-determining unit configured to make, based on the impact of which the judgment is made, a determination of whether to admit the low-priority call.
摘要翻译： 公开了一种呼叫接纳控制器，其在通信系统中的共享资源中分配在不同优先级的多个呼叫中进行通信所需的资源。 该控制器包括：影响判断单元，被配置为当检测到低优先级呼叫时对低优先级呼叫对通信系统的影响进行判断;低优先级呼叫许可确定单元， 基于判断的影响，确定是否承认低优先级呼叫。
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15.发明授权公开(公告)号：US07139571B1
公开(公告)日：2006-11-21
申请号：US09616013
申请日：2000-07-13
申请人： Yoshihiro Ishikawa , Tetsuro Imai , Mamoru Sawahashi , Seizo Onoe
发明人： Yoshihiro Ishikawa , Tetsuro Imai , Mamoru Sawahashi , Seizo Onoe
IPC分类号： H04Q7/20
摘要： A cell search control method, a mobile station and a mobile communications system can save consumption power with maintaining high accuracy for selecting a base station. The mobile station measures receiving quality (highest received power and the like) of a currently captured perch channel of a base station; automatically makes a decision as to whether the mobile station is located at a cell periphery in which the need for searching for a new perch channel is great, or located in neighborhood of a base station in which the need is little; and increases the frequency of the search at a location where the need is great and decreases it at a location where the need is little.
摘要翻译： 小区搜索控制方法，移动站和移动通信系统可以在保持用于选择基站的高精度的情况下节省消耗功率。 移动站测量基站当前捕获的导频信道的接收质量（最高接收功率等）; 自动决定移动台是否位于其中需要搜索新的导频信道很大的小区外围，或者位于需要很少的基站附近; 并且在需要很大的位置增加搜索的频率，并且在需要很小的位置减少搜索的频率。
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公开(公告)号：US07649859B2
公开(公告)日：2010-01-19
申请号：US11264199
申请日：2005-11-01
申请人： Masafumi Usuda , Yoshihiro Ishikawa , Seizo Onoe
发明人： Masafumi Usuda , Yoshihiro Ishikawa , Seizo Onoe
IPC分类号： H04B7/185
CPC分类号： H04W52/228 , H04B17/318 , H04B17/391 , H04W52/225 , H04W52/243
摘要： A CDMA apparatus including a propagation path variation estimator for estimating propagation path variations between respective prior transmit power control sections and a current transmit power control section to obtain propagation path variation estimation values, wherein each of the propagation path variation estimation values is obtained by estimating a propagation path variation between a different corresponding prior transmit power control section and the current transmit power control section; propagation path variation correction part for generating a plurality of corrected products, each corrected product obtained by multiplying at least one of vector, amplitude and/or power of a received signal of the different corresponding prior transmit power control section by said propagation path variation estimation value obtained by estimating the propagation path variation between the different corresponding prior transmit power control section and the current transmit power control section; and averaging part for averaging the plurality of corrected products.
摘要翻译： 一种CDMA装置，包括：传播路径变化估计器，用于估计各个现有发射功率控制部分和当前发射功率控制部分之间的传播路径变化，以获得传播路径变化估计值，其中每个传播路径变化估计值是通过估计 不同对应的先前发射功率控制部分与当前发射功率控制部分之间的传播路径变化; 用于产生多个校正乘积的传播路径变化校正部分，通过将不同对应的先前发送功率控制部分的接收信号的向量，幅度和/或功率中的至少一个乘以所述传播路径变化估计值而获得的每个校正乘积 通过估计不同对应的先前发射功率控制部分与当前发射功率控制部分之间的传播路径变化获得的; 以及对所述多个校正乘积进行平均的平均部分。
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公开(公告)号：US20060062186A1
公开(公告)日：2006-03-23
申请号：US11264199
申请日：2005-11-01
申请人： Masafumi Usuda , Yoshihiro Ishikawa , Seizo Onoe
发明人： Masafumi Usuda , Yoshihiro Ishikawa , Seizo Onoe
IPC分类号： H04B7/216
CPC分类号： H04W52/228 , H04B17/318 , H04B17/391 , H04W52/225 , H04W52/243
摘要： A CDMA apparatus including a propagation path variation estimator for estimating propagation path variations between respective prior transmit power control sections and a current transmit power control section to obtain propagation path variation estimation values, wherein each of the propagation path variation estimation values is obtained by estimating a propagation path variation between a different corresponding prior transmit power control section and the current transmit power control section; propagation path variation correction part for generating a plurality of corrected products, each corrected product obtained by multiplying at least one of vector, amplitude and/or power of a received signal of the different corresponding prior transmit power control section by said propagation path variation estimation value obtained by estimating the propagation path variation between the different corresponding prior transmit power control section and the current transmit power control section; and averaging part for averaging the plurality of corrected products.
摘要翻译： 一种CDMA装置，包括：传播路径变化估计器，用于估计各个现有发射功率控制部分和当前发射功率控制部分之间的传播路径变化，以获得传播路径变化估计值，其中每个传播路径变化估计值是通过估计 不同对应的先前发射功率控制部分与当前发射功率控制部分之间的传播路径变化; 用于产生多个校正乘积的传播路径变化校正部分，通过将不同对应的先前发送功率控制部分的接收信号的向量，幅度和/或功率中的至少一个乘以所述传播路径变化估计值而获得的每个校正乘积 通过估计不同对应的先前发射功率控制部分与当前发射功率控制部分之间的传播路径变化获得的; 以及对所述多个校正乘积进行平均的平均部分。
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18.发明申请Channel estimation device and method, demodulation device and method, and fading frequency decision device and method 有权信道估计装置及方法，解调装置及方法，衰落频率决策装置及方法公开(公告)号：US20050265433A1
公开(公告)日：2005-12-01
申请号：US11194217
申请日：2005-08-01
IPC分类号： H04J13/00 , H04B1/707 , H04B1/712 , H04B7/08 , H04B7/26 , H04L25/02 , H04L27/01 , H04W16/24 , H04W28/18
CPC分类号： H04L25/0234 , H04B1/707 , H04B1/7115 , H04B2201/70701 , H04L25/0228
摘要： In this invention, a channel estimation value of data symbols of a data channel is calculated by weighting and averaging pilot symbols in a parallel time multiplexing method. Also, a channel estimation value of data symbols during each data symbol interval is calculated by dividing data symbols in a slot into a plurality of data symbol intervals, selecting pilot symbols suitable for calculation of a channel estimation value of data symbols during each data symbol interval and weighting and averaging that pilot symbols. Also, a fading frequency is detected based on an inner product value of pilot symbols. Weighting factors are changed based on the detected fading frequency. Also, a channel estimation value is calculated by weighting and averaging pilot signals using a plurality of weighting sequences. The calculated channel estimation value is used to demodulate received data. The output data with the highest quality is selected by judging reliability of these plurality of demodulated data. It is also possible to select some weighting sequences based on the result of the reliability judgment of the demodulated data for predetermined period of time. In this case, after the selection, demodulation is performed by using these selected weighting sequences only.
摘要翻译： 在本发明中，通过并行时间复用方法对导频符号进行加权和平均来计算数据信道的数据符号的信道估计值。 此外，通过将时隙中的数据符号划分为多个数据符号间隔来计算每个数据符号间隔期间的数据符号的信道估计值，在每个数据符号间隔期间选择适合于计算数据符号的信道估计值的导频符号 并对该导频符号进行加权和平均。 此外，基于导频符号的内积值来检测衰落频率。 加权因子根据检测到的衰落频率而改变。 此外，通过使用多个加权序列对导频信号进行加权和平均来计算信道估计值。 所计算的信道估计值用于解调接收的数据。 通过判断这些多个解调数据的可靠性来选择具有最高质量的输出数据。 也可以基于解调数据的可靠性判断的结果来选择一些加权序列预定的时间段。 在这种情况下，在选择之后，仅通过使用这些选择的加权序列来执行解调。
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公开(公告)号：US07301991B2
公开(公告)日：2007-11-27
申请号：US11194217
申请日：2005-08-01
CPC分类号： H04L25/0234 , H04B1/707 , H04B1/7115 , H04B2201/70701 , H04L25/0228
摘要： Fading frequency decision device and method are provided. An inner product value of pilot symbols which are time multiplexed in a control channel which is parallel multiplexed with a data channel, an inner product value of pilot symbols in a channel in which data symbols and pilot symbols are time multiplexed, or an inner product value of pilot symbols of a pilot channel which is parallel multiplexed with a data channel is calculated. A fading frequency is decided based on the calculated inner product value.
摘要翻译： 提供衰落频率决策装置和方法。 在与数据信道并行复用的控制信道中时间复用的导频符号的内积值，数据符号和导频符号被时分复用的信道中的导频符号的内积值，或内积值 计算与数据信道并行复用的导频信道的导频符号。 基于所计算的内积值来确定衰落频率。
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公开(公告)号：US06741837B1
公开(公告)日：2004-05-25
申请号：US09364938
申请日：1999-07-30
申请人： Etsuhiro Nakano , Yoshihiro Ishikawa , Masafumi Hata , Minami Ishii , Seizo Onoe
发明人： Etsuhiro Nakano , Yoshihiro Ishikawa , Masafumi Hata , Minami Ishii , Seizo Onoe
IPC分类号： H04B1700
CPC分类号： H04W72/085 , H04B17/345 , H04B17/354 , H04W16/14 , H04W24/10 , H04W36/06 , H04W52/0238 , H04W52/242 , H04W52/367 , H04W72/02 , H04W76/30
摘要： A base station 422 of a second system performs communication using a frequency adjacent to a frequency employed by communication between a base station 412 and a mobile station 414 of a first system. When the mobile station 414 is close to the base station 422, the communication of the base station 422 undergoes interference by the leakage power of the mobile station 414. To avoid the interference, the transmission is halted of the mobile station 414 of the first system, which provides the interference by the leakage power.
摘要翻译： 第二系统的基站422使用与第一系统的基站412和移动台414之间的通信所采用的频率相邻的频率进行通信。 当移动站414靠近基站422时，基站422的通信受到移动台414的泄漏功率的干扰。为了避免干扰，第一系统的移动台414停止发送 ，其提供了通过泄漏功率的干扰。
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