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    • 71. 发明授权
    • Method of locating terminal, and cellular radio system
    • 定位终端和蜂窝无线电系统的方法
    • US06397073B1
    • 2002-05-28
    • US09540913
    • 2000-03-31
    • Ari Hottinen
    • Ari Hottinen
    • H04Q720
    • H04W64/00G01C21/30G01S5/0252
    • The invention relates to a cellular radio system and a method of locating a terminal in a cellular radio system having in each cell at least one base station 104 communicating with the terminals 100 within its area. The base station measures channel parameters from the signals transmitted by the terminals. The coverage area of each base station is modelled by a digital map. To enable accurate localization of the terminals, to each point on the digital map is added a model of the channel parameters of a signal to be transmitted from the point. The channel parameters estimated from the signal of the terminal are compared with the parameters at different points on the map, and the terminal is located on the basis of the comparison.
    • 本发明涉及一种蜂窝无线电系统和一种在蜂窝无线电系统中定位终端的方法,在每个小区中至少有一个基站104与其区域内的终端100进行通信。 基站根据终端发送的信号测量信道参数。 每个基站的覆盖区域由数字地图建模。 为了实现终端的准确定位,对数字地图上的每个点添加要从点发送的信号的信道参数的模型。 从终端信号估计的信道参数与地图上不同点的参数进行比较,终端位于比较的基础上。
    • 72. 发明授权
    • Cellular radio system with improved characteristics in border areas
    • 移动无线电系统具有改善边界地区的特点
    • US06282425B1
    • 2001-08-28
    • US09308961
    • 1999-08-13
    • Ari Hottinen
    • Ari Hottinen
    • H04B715
    • H04W16/00H04W16/06
    • The present invention relates to a cellular radio system which includes base stations (BTS1, BTS2) comprising transceiver means and antenna means (ANT1, ANT2) for creating a radio connection to mobile stations (MS). In order to improve audibility within the border areas between base station coverage areas, the system comprises an antenna means ANT), which is common at least to the first and the second base station (BTS1, BTS2) and which comprises means for further transmitting over the radio path signals received from the first and the second base station (BTS1, BTS2) and, correspondingly, means for feeding the signals received over the radio path to at least the first and the second base station (BTS1, BTS2).
    • 蜂窝无线电系统技术领域本发明涉及一种蜂窝无线电系统,其包括基站(BTS1,BTS2),其包括收发机装置和用于创建到移动台(MS)的无线电连接的天线装置(ANT1,ANT2)。 为了改善基站覆盖区域之间的边界区域内的可听度,系统包括至少对第一和第二基站(BTS1,BTS2)公共的天线装置ANT,其包括用于进一步传输的装置 从第一和第二基站(BTS1,BTS2)接收的无线电路径信号,并且相应地,用于将通过无线电路径接收的信号馈送到至少第一和第二基站(BTS1,BTS2)的装置。
    • 73. 发明授权
    • Signal detection in a TDMA system
    • TDMA系统的信号检测
    • US5995499A
    • 1999-11-30
    • US817178
    • 1997-04-07
    • Ari HottinenPekka RantaZhiChun HonkasaloHarri Jokinen
    • Ari HottinenPekka RantaZhiChun HonkasaloHarri Jokinen
    • H04J3/00H04B1/10H04B7/005H04B7/26H04L25/02H04B7/212
    • H04B7/2643H04L25/0204
    • A signal detection method in a TDMA mobile system with co-channel interference and receivers implementing the method. In the method, a primary signal (r.sub.1) and at least one interfering co-channel signal (r.sub.2 -r.sub.N) are received on the same TDMA channel (F.sub.1, TS.sub.3). The co-channel signals propagate through multipath channels (h.sub.L,1 . . . h.sub.L,N) independent of one another, which provide them with a unique wave form coding. In addition, the co-channel signals have different but known training sequences. The multipath channel estimates of the primary signal (r.sub.1) and the at least one interfering co-channel signal (r.sub.2 -r.sub.N) are determined through the received training sequences. After this, the primary signal is detected by utilizing the transmission channel estimates of both the primary signal and the at least one interfering co-channel signal.
    • PCT No.PCT / FI95 / 00551 Sec。 371日期1997年4月7日 102(e)日期1997年4月7日PCT提交1995年10月5日PCT公布。 公开号WO96 / 11533 日期1996年4月18日在具有同信道干扰的TDMA移动系统中的信号检测方法和实现该方法的接收机。 在该方法中,在同一TDMA信道(F1,TS3)上接收主信号(r1)和至少一个干扰同信道信号(r2-rN)。 同频道信号通过多路径信道(hL,...,hL,N)彼此独立地传播,为它们提供了独特的波形编码。 另外,同频道信号具有不同但已知的训练序列。 通过接收到的训练序列确定主信号(r1)和至少一个干扰同信道信号(r2-rN)的多径信道估计。 之后,通过利用主信号和至少一个干扰同信道信号的传输信道估计来检测主信号。
    • 74. 发明授权
    • Data transmission method, transmitter, and receiver
    • 数据传输方式,发射机和接收机
    • US5943330A
    • 1999-08-24
    • US736067
    • 1996-10-23
    • Ari Hottinen
    • Ari Hottinen
    • H04B7/26H04J13/00H04J13/18H04Q7/36
    • H04J13/004H04B7/264H04J13/18
    • The invention relates to a transmitter, a receiver and a data transmission method in a CDMA cellular radio system comprising in each cell at least one base station (100) and a number of subscriber terminals (102-108), and in which method the base stations communicate with terminal equipments situated within their area by using an at least partly overlapping frequency band, and wherein the signal of each user is modulated with one or several pseudo-random sequences the bit rates of which are substantially higher than the symbol rates of the users. In order to simplify multirate transmission, the pseudo-random sequence set (202-206) to be allocated to each user is selected on the basis of the symbol information contained in the user signal and the information rate required, and the subset to be modulated is selected from said set on the basis of the symbols to be transmitted.
    • 本发明涉及一种在CDMA蜂窝无线电系统中的发射机,接收机和数据传输方法,该方法包括在每个小区中至少一个基站(100)和多个用户终端(102-108),并且在该方法中基站 站点通过使用至少部分重叠的频带与位于其区域内的终端设备进行通信,并且其中每个用户的信号用一个或多个伪随机序列进行调制,其比特率显着高于 用户 为了简化多速率传输,将基于包含在用户信号中的符号信息和所需信息速率以及要调制的子集来选择要分配给每个用户的伪随机序列集(202-206) 基于要发送的符号从所述集合中选择。
    • 77. 发明授权
    • System for distributed beamforming for a communication system employing relay nodes
    • 用于采用中继节点的通信系统的分布式波束成形系统
    • US08666309B2
    • 2014-03-04
    • US12864609
    • 2008-01-28
    • Ari HottinenPeter Fertl
    • Ari HottinenPeter Fertl
    • H04B7/14
    • H04B7/022H04B7/026H04B7/0417H04B7/0619H04B7/155
    • In accordance with aspects of the present invention, a method, apparatus and system for learning antenna weighting factors in a communication system including relay nodes. In one embodiment, an apparatus (e.g., a relay node (325)) for use with a communication system includes a first antenna (330) configured to receive a first signal including a pilot training sequence from a source node (305) and a second signal including a power-based feedback signal or a signal-to-noise based feedback signal from a destination node (350). The apparatus also includes a second antenna (335) configured to transmit at least a portion of the first signal with an antenna weighting factor (e.g., a perturbed antenna weighting factor). The apparatus further includes an antenna weighting factor module (340) coupled to the first antenna (330) and configured to iteratively adjust the antenna weighting factor in response to the second signal.
    • 根据本发明的方面,在包括中继节点的通信系统中学习天线加权因子的方法,装置和系统。 在一个实施例中,与通信系统一起使用的装置(例如,中继节点(325))包括被配置为从源节点(305)接收包括导频训练序列的第一信号的第一天线(330) 信号包括来自目的地节点(350)的基于功率的反馈信号或基于信噪比的反馈信号。 该装置还包括配置成用天线加权因子(例如扰动天线加权因子)来传输第一信号的至少一部分的第二天线(335)。 该装置还包括耦合到第一天线(330)并被配置为响应于第二信号迭代地调整天线加权因子的天线加权因子模块(340)。
    • 78. 再颁专利
    • Method and radio system for digital signal transmission using complex space-time codes
    • 使用复杂时空码数字信号传输的方法和无线电系统
    • USRE43746E1
    • 2012-10-16
    • US13166702
    • 2011-06-22
    • Ari HottinenOlav Tirkkonen
    • Ari HottinenOlav Tirkkonen
    • H04L27/04H04J11/00
    • H04B7/0669H04L1/06H04L1/0618
    • The invention relates to a method and an arrangement for transmitting a digital signal consisting of symbols, which arrangement comprises a coder (308) for coding complex symbols to channel symbols in blocks having the length of a given K, means (312) for transmitting the channel symbols via several different channels and two or more antennas (314 to 318). The coder (308) is arranged to code the symbols using a code matrix, which can be expressed as a sum of 2K elements, in which each element is a product of a symbol or symbol complex conjugate to be transmitted and a N×N representation matrix of a complexified anti-commutator algebra, extended by a unit element, and in which each matrix is used at most once in the formation of the code matrix. A code matrix is also provided which is formed by matrices of a portion of the symbols placed on the diagonal of the code matrix and by matrices of a second portion of symbols along the anti-diagonal of the code matrix.
    • 本发明涉及一种用于发送由符号组成的数字信号的方法和装置,该装置包括编码器(308),用于将复符号编码到具有给定K长度的块中的信道符号,用于发送 信道符号经由若干不同的信道和两个或更多个天线(314至318)。 编码器308被配置为使用可以表示为2K个元素的和的码矩阵来对符号进行编码,其中每个元素是要发送的符号或符号复共轭的乘积和N×N表示 复合反换子代数的矩阵,由单元元素延伸,并且其中每个矩阵在代码矩阵的形成中最多使用一次。 还提供了一个码矩阵,其由位于码矩阵的对角线上的符号的一部分的矩阵和沿代码矩阵的反对角线的符号的第二部分的矩阵形成。
    • 79. 发明申请
    • Forecasting of dynamic environmental parameters to optimize operation of a wireless communication system
    • 预测动态环境参数,优化无线通信系统的运行
    • US20120202538A1
    • 2012-08-09
    • US12929708
    • 2011-02-09
    • Mikko Aleksi UusitaloAri HottinenJaakko Tapani PeltonenJoni Kristian Pajarinen
    • Mikko Aleksi UusitaloAri HottinenJaakko Tapani PeltonenJoni Kristian Pajarinen
    • H04B7/00
    • H04B17/0067H04B17/24H04B17/27H04B17/345H04B17/373H04B17/3912
    • An aspect of the exemplary embodiments of this invention is a method that includes receiving information from a plurality of spatially distributed user devices, where the information includes at least observations of a radio environment of each user device. Based on the received information, the method creates a model of time evolution of a spatio-temporal map for a plurality of spatial locations. The method further includes creating a policy based on the model of time evolution of the spatio-temporal map, and transmitting the policy to the plurality of user devices. A further aspect of exemplary embodiments of this invention is a method that includes generating a probabilistic model based at least on observations of a radio environment of a user device; transmitting the probabilistic model to a network access node of a wireless communication network; receiving information from the network access node; and operating the user device at least in part based on the received information. Also described are apparatus and computer program products that operate in accordance with the methods.
    • 本发明的示例性实施例的一个方面是一种方法,其包括从多个空间分布的用户设备接收信息,其中所述信息至少包括每个用户设备的无线电环境的观测值。 基于接收到的信息,该方法创建多个空间位置的时空映射的时间演化模型。 该方法还包括基于时空映射的时间演化模型创建策略,以及将策略发送到多个用户设备。 本发明的示例性实施例的另一方面是一种方法,其包括至少基于对用户设备的无线电环境的观察来生成概率模型; 将所述概率模型发送到无线通信网络的网络接入节点; 从网络接入节点接收信息; 以及至少部分地基于所接收的信息来操作所述用户设备。 还描述了根据该方法操作的装置和计算机程序产品。
    • 80. 发明授权
    • Linear transformation matrices for distributed diversity
    • 用于分布式多样性的线性变换矩阵
    • US08116356B2
    • 2012-02-14
    • US12214634
    • 2008-06-20
    • Cemal AkcabaPatrick KuppingerHelmut BölcskeiAri Hottinen
    • Cemal AkcabaPatrick KuppingerHelmut BölcskeiAri Hottinen
    • H04B3/36
    • H04B7/022
    • A signal for relay is received from a first node. From a local memory that stores K transform matrices (K being an integer greater than one) is selected a transform matrix that is associated with a relay rank order. The matrices define an optimal tradeoff of diversity gain versus spatial multiplexing. The received signal is transformed using the selected transform matrix, and the transformed signal is relayed over a wireless channel to a second node. In a particular embodiment the received signal is an input symbol vector of N consecutive symbols (N being an integer at least equal to two) and the transform linearly combines the N symbols of the input vector according to the relay rank order. In various embodiments the first node may give the rank order, it may be mutually agreed via signaling among the various relay nodes, or it may be based on an intrinsically generated random number.
    • 从第一节点接收用于中继的信号。 从存储K个变换矩阵(K为大于1的整数)的本地存储器中选择与继电器等级顺序相关联的变换矩阵。 矩阵定义了分集增益与空间复用的最佳权衡。 使用所选择的变换矩阵来变换接收到的信号,并且将经变换的信号通过无线信道中继到第二节点。 在特定实施例中,接收信号是N个连续符号(N是至少等于2的整数)的输入符号向量,并且该变换根据中继等级顺序线性组合输入向量的N个符号。 在各种实施例中,第一节点可以给出秩次,它可以通过各种中继节点之间的信令相互协商,或者它可以基于固有的随机数。