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    • 61. 发明授权
    • Transmission antenna diversity
    • 发射天线分集
    • US07162272B1
    • 2007-01-09
    • US09660668
    • 2000-09-13
    • Ari HottinenRisto Wichman
    • Ari HottinenRisto Wichman
    • H04M1/00
    • H04L1/0065H04B7/022H04B7/0408H04B7/061H04L1/0071H04L1/06
    • In mobile communications systems transmission antenna diversity is used e.g. to compensate for fading caused to the signal on the radio path. It is known to make the choice of transmission antenna jointly for all subscriber connections, but it is not hereby possible to offer the optimum transmission antenna to simultaneous connections. The present invention aims at a method for implementing transmission antenna diversity on a data transmission connection, which is set up between a transmitting unit (BS), wherein there are several transmission antenna routes (ANT1, ANT2, ANT3), and a receiving unit (MS1, MS2). In the method, a broadcast signal is transmitted through all transmission antenna routes (ANT1, ANT2, ANT3) of the transmitting unit, with the aid of these signals a choice is made in the receiving unit (MS1, MS2) of the optimum transmission antenna route connected for use. According to the invention, the method is characterised in that the broadcast signal of each transmission antenna route is shaped by an individual signal shaping method which is different from the others and a transmission antenna route is connected for use based on the received antenna choice message, individually for each receiving unit.
    • 在移动通信系统中,例如使用发射天线分集。 以补偿对无线电路径上的信号造成的衰落。 已知为所有用户连接共同选择发射天线,但是不可能将最佳的发射天线提供给同时连接。 本发明的目的在于在数据传输连接上实现发射天线分集的方法,该数据传输连接建立在发射单元(BS)之间,其中存在多个发射天线路由(ANT 1,ANT 2,ANT 3)和 接收单元(MS 1,MS 2)。 在该方法中,通过发送单元的所有发送天线路由(ANT 1,ANT 2,ANT 3),通过这些信号,在接收单元(MS 1,MS 2)中进行选择,发送广播信号, 的最佳发射天线路由连接使用。 根据本发明,该方法的特征在于,每个发送天线路由的广播信号由与其他发送天线路径不同的单独的信号整形方法整形,并且基于所接收的天线选择消息将发送天线路由连接使用, 单独为每个接收单元。
    • 62. 发明授权
    • Diversity transmitter and diversity transmission method
    • 分集发射机和分集传输方法
    • US07158579B2
    • 2007-01-02
    • US10398581
    • 2001-08-09
    • Ari Hottinen
    • Ari Hottinen
    • H04B7/02
    • H04L1/0631H04B7/0615H04B7/0617H04B7/0669H04L1/06H04L1/0625H04L27/2601
    • The present invention concerns a diversity transmitter and a corresponding diversity transmission method. A symbol matrix is input for being processed, the processing comprising supplying columns of the symbol matrix to a plurality of at least two branches, each branch being supplied to a respective one of spatial channels for transmission. Parallelization is performed so as to provide within each branch at least two parallel channels allocated to a respective user. The symbol matrix signals is subjected on at least one of the branches to an invertible linear transformation with at least one fixed complex weight, the complex weight being different for at least two parallel channels.
    • 本发明涉及分集发射机和相应的分集传输方法。 输入符号矩阵用于被处理,该处理包括将符号矩阵的列提供给多个至少两个分支,每个分支被提供给相应的一个空间信道用于传输。 执行并行化以便在每个分支内提供分配给相应用户的至少两个并行信道。 符号矩阵信号在至少一个分支上经受至少一个固定复数权重的可逆线性变换,对于至少两个并行通道,复权重不同。
    • 66. 发明申请
    • Transmission method and transmitter
    • 传输方式和发射机
    • US20050105629A1
    • 2005-05-19
    • US10770395
    • 2004-02-04
    • Ari HottinenOlav Tirkkonen
    • Ari HottinenOlav Tirkkonen
    • H04L20060101H04L1/06H04L5/12
    • H04L1/0612H04L1/0625H04L1/0637
    • A transmitter and an applicable method comprising an antenna system for achieving two transmit paths, a first modulator for modulating a signal to be transmitted into complex modulation symbols, and a second modulator for constructing layered channel symbols as linear combinations of the complex modulation symbols is disclosed. The second modulator constructs channel symbols by using first and second non-zero coefficients when performing the linear combination. The ratio of the first and second coefficients is not a real number. The channel symbols are transmitted by using a first non-zero total power for transmission on a first transmit path, and a second non-zero total power for transmission on a second transmit path, wherein the first and second total powers are not equal.
    • 公开了包括用于实现两个发送路径的天线系统的发射机和适用方法,用于将要发送的信号调制成复调制符号的第一调制器和用于构成分层信道符号作为复调制符号的线性组合的第二调制器 。 当执行线性组合时,第二调制器通过使用第一和第二非零系数构建信道符号。 第一和第二系数的比率不是实数。 信道符号通过使用第一非零总功率在第一发射路径上传输,第二非零总功率在第二发射路径上传输,其中第一和第二总功率不相等。
    • 67. 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。
    • 68. 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。
    • 69. 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。
    • 70. 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。