会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 52. 发明授权
    • Multi-user detection method
    • 多用户检测方法
    • US07031671B2
    • 2006-04-18
    • US09935584
    • 2001-08-24
    • David Mottier
    • David Mottier
    • H03C7/02
    • H04B1/7103H04B1/7117
    • Multi-user detection method with elimination of interference between users, each user transmitting modulated data in the form of symbols on a transmission channel, each transmission channel (k) comprising at least one propagation path (i) and each propagation path arriving at an array of reception antennae (l) according to a direction of arrival (θi,k), the method comprising at least one sequence of steps for each user (k), each sequence comprising: (a) a reception step (600k,700k,800k,800,900) decomposing each antenna signal into filtered signals (xl,i,k) issuing from the different paths (i) of the said user (k) and combining the said filtered signals by means of a first plurality of coefficients (bl,i,k, ci,k) in order to form an estimation (zk) of the signal transmitted by the user; (b) a step of estimating (670k,770k,870k,870,970) the contribution ((xl,k)l=1 . . . L) of the user to the signals received by the different antennae from the said estimation of the signal transmitted and a second plurality of coefficients (ui,k, wl,i,k ) obtained from the said first plurality of coefficients; (c) a step of eliminating interference (680k′,780k,880k,880,980) subtracting from the antenna signals the contribution estimated at step (b) in order to obtain cleaned antenna signals; the cleaned antenna signals supplied by at least one first sequence being used as antenna signals by at least one second sequence.
    • 多用户检测方法,消除用户之间的干扰,每个用户以传输信道上的符号的形式发送调制数据,每个传输信道(k)包括至少一个传播路径(i)和到达阵列的每个传播路径 接收天线(1)根据到达方向(θi,k i),该方法包括每个用户(k)的至少一个步骤序列,每个序列包括:(a)一个 接收步骤(600K,700K,800K,800,900)将每个天线信号分解成滤波信号(x 1,i ,k)从所述用户(k)的不同路径(i)发布,并且通过第一多个系数(b 1,i,k)组合所述经滤波的信号, ,c i,k),以便形成由用户发送的信号的估计(z> k N); (b)估计((x,1,...,770,k),870,970) 用户对于由所述不同天线接收的信号与所发射的信号的所述估计的信号和第二多个系数(u,i,k
    • 53. 发明申请
    • Method for transmitting TDD frames with increased data payload
    • 用于传输具有增加的数据有效载荷的TDD帧的方法
    • US20050281217A1
    • 2005-12-22
    • US11140883
    • 2005-06-01
    • David Mottier
    • David Mottier
    • H04B7/26H04L5/14H04Q7/00
    • H04B7/2656H04L5/1492
    • “Method for transmitting TDD frames with increased data payload” The present invention relates to a method for transmitting through a bidirectional communication channel at least one frame CVFR split into time slots SLj (for j=1 to L) separated from each other by guard intervals G, each time slot SLj being allocated either to a first or to a second direction of communication UL or DL offered by the bidirectional communication channel. The method according to the invention includes: a detection step for detecting at least two successive time slots SLj, SLj+1, SLj+2 allocated to a same direction of communication DL, and a data insertion step DIS for inserting data D in the guard interval G separating such successive time slots SLj, SLj+1, SLj+2. The invention enables to increase the data payload of a frame without requiring an increase of the total duration of the frame itself.
    • 用于发送具有增加的数据有效载荷的TDD帧的方法技术领域本发明涉及一种用于通过双向通信信道发送分离成通过保护间隔彼此分离的时隙SLj(j = 1到L)的至少一个帧CVFR的方法, G,每个时隙SLj被分配给由双向通信信道提供的第一或第二通信方向UL或DL。 根据本发明的方法包括:检测步骤,用于检测分配给相同通信方向的至少两个连续时隙SLj,SLj + 1,SLj + 2以及用于将数据D插入卫星的数据插入步骤DIS 间隔G分离这些连续时隙SLj,SLj + 1,SLj + 2。 本发明能够增加帧的数据有效载荷,而不需要增加帧本身的总持续时间。
    • 55. 发明授权
    • Bi-modular adaptive CDMA receiver
    • 双模自适应CDMA接收机
    • US07031415B2
    • 2006-04-18
    • US09933737
    • 2001-08-22
    • David Mottier
    • David Mottier
    • H04B1/10
    • H04B7/0851H04B7/0854
    • The invention concerns a method of receiving a signal transmitted by a transmitter (k) and arriving at an array of antennae (300) after having propagated along a plurality of paths (i), comprising a filtering stage (310k) decomposing each antenna signal into separate signals (xl,i,k) issuing from the different paths, a channel formation step (320k) forming path signals (yi,k) from the said separate signals by means of a first set of complex coefficients (bl,i,k), a combination step (340k) linearly combining the said path signals by means of a second set of complex coefficients (ci,k) in order to supply a combined signal (zk), the method being characterized in that a plurality of first error signals (ε′i,k) are formed (331k) between a reference value (qk) of the signal transmitted and the said path signals (yi,k) and in that a second error signal (ε″k) is formed (351k) between the said reference value and the said combined signal (zk), the first and second sets of complex coefficients being adapted (330k, 350k) so as to respectively minimize the root mean square values of the first signals and of the second error signal.
    • 本发明涉及一种在沿多个路径(i)传播之后接收由发射机(k)发送并到达天线阵列(300)的信号的方法,该方法包括滤波级(310) 将每个天线信号分解成从不同路径发出的分离的信号(x 1,i,k i),形成路径信号的信道形成步骤(320<> 通过第一组复系数(b 1,i,k 1)从所述分离的信号中分离出所述单个信号的组合步骤(340< i> i,k& 通过第二组复系数(c i,k i)对所述路径信号进行线性组合,以便提供组合信号(z> k ) >),所述方法的特征在于在参考值(q k N)之间形成(351“k”),所述组合信号 第一和第二组复系数被适配(330K,350K),以便分别最小化第一信号和第二误差信号的均方根值 。
    • 57. 发明授权
    • Uni-modular adaptive CDMA receiver
    • 单模自适应CDMA接收机
    • US06850772B2
    • 2005-02-01
    • US09933824
    • 2001-08-22
    • David Mottier
    • David Mottier
    • H01Q3/26H04B1/7115H04B7/08H04B7/00
    • H04B1/7115H04B7/0851H04B7/0854
    • The invention concerns a method of receiving a signal transmitted by a transmitter (k) and arriving at an array of antennae (300) after propagating along a plurality of paths (i), comprising a filtering step (310k) decomposing each antenna signal into separate signals (xl,i,k) issuing from the different paths, a combination step (320k) linearly combining the said separate signals by means of a set of complex coefficients in order to supply a combined signal (zk), the method being characterised in that an error signal (εk) is formed (331k) between a reference value (qk) of the transmitted signal and the said combined signal and in that the set of complex coefficients is adapted (330k) so as to minimise the root mean square of the signal error.
    • 本发明涉及一种接收由发射机(k)发射并在沿着多个路径(i)传播之后到达天线阵列(300)的信号的方法,该方法包括滤波步骤(310k),将每个天线信号分解成分离的 从不同路径发出的信号(x1,i,k),组合步骤(320k),通过一组复系数线性组合所述分离的信号,以提供组合信号(zk),该方法的特征在于 在发送信号的参考值(qk)和所述组合信号之间形成误差信号(epsilonk)(331k),并且使得该组复系数适合(330k),以使最小化均方根 信号错误。
    • 58. 发明授权
    • Method for transmitting TDD frames with increased data payload
    • 用于传输具有增加的数据有效载荷的TDD帧的方法
    • US07929467B2
    • 2011-04-19
    • US11140883
    • 2005-06-01
    • David Mottier
    • David Mottier
    • H04J3/00H04J3/06H04J3/12H04B1/44
    • H04B7/2656H04L5/1492
    • Method for transmitting through a bidirectional communication channel at least one conventional frame (CVFR) split into time slots SLj (for j=1 to L) separated from each other by guard intervals G, each time slot SLj being allocated either to a first or to a second direction of communication uplink (UL) or downlink (DL) offered by the bidirectional communication channel. The method according to the invention includes: detecting at least two successive time slots SLj, SLm+1, SLj+2 allocated to a same direction of communication DL, and inserting data in the guard interval separating such successive time slots SLj, SLj+1, SLj+2.
    • 通过双向通信信道通过分离成由保护间隔G彼此分离的时隙SLj(用于j = 1到L)的至少一个传统帧(CVFR)的方法,每个时隙SLj分配给第一或第 由双向通信信道提供的通信上行链路(UL)或下行链路(DL)的第二方向。 根据本发明的方法包括:检测分配给相同的通信方向DL的至少两个连续的时隙SLj,SLm + 1,SLj + 2,以及在保持间隔中插入数据,分离这些连续的时隙SLj,SLj + 1 ,SLj + 2。
    • 59. 发明授权
    • Method and device for reporting information related to interference components received by a first telecommunication device in some frequency subbands to a second telecommunication device
    • 用于向第二电信设备报告与某些频率子带中的第一电信设备接收到的干扰分量有关的信息的方法和设备
    • US07657229B2
    • 2010-02-02
    • US11611598
    • 2006-12-15
    • Yoshitaka HaraDavid Mottier
    • Yoshitaka HaraDavid Mottier
    • H04B1/00
    • H04W52/42H04B17/24H04B17/345H04L1/0003H04L1/0009H04L27/2601H04W52/04
    • The present invention concerns a method and a device for reporting, through a wireless network using multiple frequency subbands, interference components received by a first telecommunication in a first and a second frequency subbands of the wireless network, to a second telecommunication device. The first telecommunication device measures the interference components it receives in the first and second frequency subbands, determines at least a first weight from the measured interference components in the first frequency subband and at least a second weight from the measured interference components in the second frequency subband, weights a first pilot signal with the at least one first determined weight and a second pilot signal with the at least one second determined weight, transfers the first weighted pilot signal through said first frequency subband and the second weighted pilot signal through said second frequency subband to the second telecommunication device.
    • 本发明涉及一种方法和装置,用于通过使用多个频率子带的无线网络,将由无线网络的第一和第二频率子带中的第一电信接收的干扰分量报告给第二电信设备。 第一电信设备测量其在第一和第二频率子带中接收的干扰分量,根据来自第一频率子带中测量的干扰分量的至少第一权重和来自第二频率子带中测得的干扰分量的至少第二权重 将具有所述至少一个第一确定权重的第一导频信号和具有所述至少一个第二确定权重的第二导频信号加权,通过所述第一频率子带和所述第二加权导频信号通过所述第二频率子带传送所述第一加权导频信号 到第二电信设备。
    • 60. 发明授权
    • Code allocation method in an MC-CDMA telecommunication system
    • MC-CDMA电信系统中的码分配方法
    • US07428248B2
    • 2008-09-23
    • US10316069
    • 2002-12-11
    • David Mottier
    • David Mottier
    • H04J1/16H04Q7/00
    • H04J13/16H04L5/026
    • A object of the present invention is to decrease or avoid the distortion of an MC-CDMA signal transmitted over a reverse link channel for a given amplifier efficiency.The present invention concerns a code allocation method for a mobile telecommunication system. According to the invention, for each of a plurality of available spreading codes or available combinations of spreading codes a value of a first variable (PAPRk) characteristic of the dynamic range of a modulated signal (Sk) is determined, and for each of a plurality of users a value of a second variable (αk) characteristic of the propagation loss incurred over the transmission channel of the user is determined. A spreading code or combination of spreading codes producing a low dynamic range is allocated to said user if the propagation loss over its transmission channel is high.
    • 本发明的目的是为了减少或避免对于给定的放大器效率,通过反向链路信道发送的MC-CDMA信号的失真。 本发明涉及用于移动电信系统的码分配方法。 根据本发明,对于多个可用扩展码或扩展码的可用组合中的每一个,调制信号的动态范围(S ) > k <&gt;),并且对于多个用户中的每一个,确定在用户的传输信道上产生的传播损耗的特性的第二变量(αk k) 。 如果传输信道上的传播损耗高,则向所述用户分配产生低动态范围的扩展码或扩频码的组合。