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    • 2. 发明授权
    • Method for interference source identification
    • 干扰源识别方法
    • US07218893B2
    • 2007-05-15
    • US10501300
    • 2002-01-25
    • Kjell LarssonBjorn SvenssonJorgen Gustafsson
    • Kjell LarssonBjorn SvenssonJorgen Gustafsson
    • H04B1/00H04B15/00
    • H04W24/00
    • The present invention relates to a method to identify one or more interference sources in a mobile radio system, preferably in a GSM radio network for mobile telephones. A received signal (r) consists of a wanted signal and a number of interference signals of which one is a dominating interference signal and where all signals includes a known training sequence (TK1,TK2, . . . ). The carrier is estimated and subtracted from the received signal (r) giving a remaining interference signal (s).This signal is correlated against known training sequences (TKj, j=0,1,2, . . . ,7) resulting in a training sequence associated with the interfering signal. According to the invention, the identification code (BCC) of a possible interference source (BS1) from said training sequence is determined. After that, a number of candidates (CA1,CA2, ), each corresponding with a certain cell from the identification code (BCC) are determined and also the frequency which is disturbed and the timing offset (t1,t2, . . . FIG. 7) for the frequencies used by said candidates. Finally it is investigated if one or more (fa,fb) of these have the same time offset as the interference signal (t0) resulting in that at least one candidate (CA3) with the best matching offsets on its frequencies is identified as the interference source.
    • 本发明涉及一种在移动无线电系统中,优选地在用于移动电话的GSM无线电网络中识别一个或多个干扰源的方法。 接收信号(r)由有用信号和多个干扰信号组成,其中一个是主导干扰信号,其中所有信号包括已知的训练序列(TK 1,TK 2,...)。 从接收到的信号(r)中估计和减去载波,给出剩余的干扰信号(s)。该信号与已知的训练序列(TKj,j = 0,1,2,...,7)相关,导致 与干扰信号相关的训练序列。 根据本发明,确定来自所述训练序列的可能的干扰源(BS1)的识别码(BCC)。 之后,确定从识别码(BCC)分别对应于某个小区的多个候选(CA 1,CA 2,),以及被干扰的频率和定时偏移(t 1,t 2,..., 对于所述候选者所使用的频率,图6(图7)示出。 最后,调查其中一个或多个(fa,fb)是否与干扰信号(t 0)具有相同的时间偏移,导致在其频率上具有最佳匹配偏移的至少一个候选(CA 3)被识别为 干扰源。
    • 3. 发明申请
    • Method and apparatus for increasing perceived interactivity in communications systems
    • 增加通信系统中感知交互性的方法和装置
    • US20050227657A1
    • 2005-10-13
    • US10819376
    • 2004-04-07
    • Tomas FrankkilaJonas SvedbergKrister SvanbroBjorn SvenssonTomas Jonsson
    • Tomas FrankkilaJonas SvedbergKrister SvanbroBjorn SvenssonTomas Jonsson
    • G10L13/06H04L12/56H04Q7/38
    • G10L21/04
    • Perceived interactivity in user communications is achieved by reducing a perceived delay switching the active transmitter in the communication without having to reduce actual transmission and setup delays associated with a communication exchange. A sound signal is identified in the user communication. The sound signal is analyzed to identify or estimate a sound signal segment. The sound signal segment is preferably (though not necessarily) located at the beginning or the end of the sound signal. The sound signal segment may be selected directly from the sound signal itself, from a modified version of the sound signal, or from a signal associated with the sound signal. A determination is made that a length or duration of the sound signal segment should be or can be modified. One or more modifications for the sound signal segment are determined and are provided to one or more processing units to perform the modification(s).
    • 用户通信中的感知交互性通过减少在通信中切换有源发射机的感知延迟而不用减少与通信交换相关联的实际传输和建立延迟来实现。 在用户通信中识别声音信号。 分析声音信号以识别或估计声音信号段。 声音信号段优选地(尽管不一定)位于声音信号的开始或结束处。 可以从声音信号本身,声音信号的修改版本或与声音信号相关联的信号直接选择声音信号段。 确定声音信号段的长度或持续时间应该是或可以被修改。 确定声音信号段的一个或多个修改,并将其提供给一个或多个处理单元以执行修改。
    • 6. 发明授权
    • Method and arrangement for cleansing a flow of hot contaminated gas
    • 清洁热污染气体流的方法和装置
    • US4750916A
    • 1988-06-14
    • US10691
    • 1987-02-04
    • Bjorn Svensson
    • Bjorn Svensson
    • B03C3/00B01D5/00B01D50/00B01D51/00B01D51/02B01D53/00B03C3/01
    • B01D53/002B01D5/0036B01D5/0057B01D5/0087B01D50/006
    • The invention relates to a method and an arrangement for cleansing a flow of hot contaminated gas (1), in which the contaminants comprise both dust particles and gaseous condensable contaminants. The gas is cooled in a heat exchanger in a first stage (2) to a temperature which lies above the temperature at which the gaseous contaminants begin to pass into their respective liquid phases. The gas is then cooled further, in a second stage (4), by mixing the gas with a colder gas flow (5), so as to bring the temperature of the gas to a level suitable for subsequent extraction of contaminants in a first dust separator (3, 3a), while condensing part of the gaseous contaminants present. Condensed contaminants are bound by adsorption and/or absorption to dust particles collected in the first dust separator (3, 3a).
    • 本发明涉及清洁热污染气体(1)的流动的方法和装置,其中污染物包括灰尘颗粒和气态可冷凝污染物。 气体在第一阶段(2)中的热交换器中被冷却至高于气体污染物开始进入它们各自的液相的温度的温度。 然后在第二阶段(4)中将气体进一步冷却,通过将气体与较冷的气体流(5)混合,以使气体的温度达到适于随后在第一灰尘中提取污染物的水平 分离器(3,3a),同时冷凝部分气态污染物。 冷凝污染物通过吸收和/或吸收在第一灰尘分离器(3,3a)中收集的灰尘颗粒来结合。
    • 10. 发明申请
    • Method for interference source identification
    • 干扰源识别方法
    • US20050054367A1
    • 2005-03-10
    • US10501300
    • 2002-01-25
    • Kjell LarssonBjorn SvenssonJorgen Gustafsson
    • Kjell LarssonBjorn SvenssonJorgen Gustafsson
    • H04W24/00H04Q7/20
    • H04W24/00
    • The present invention relates to a method to identify one or more interference sources in a mobile radio system, preferably in a GSM radio network for mobile telephones. A received signal (r) consists of a wanted signal and a number of interference signals of which one is a dominating interference signal and where all signals includes a known training sequence (TK1,TK2, . . . ). The carrier is estimated and subtracted from the received signal (r) giving a remaining interference signal (s).This signal is correlated against known training sequences (TKj, j=0,1,2, . . . ,7) resulting in a training sequence associated with the interfering signal. According to the invention, the identification code (BCC) of a possible interference source (BS1) from said training sequence is determined. After that, a number of candidates (CA1,CA2, ), each corresponding with a certain cell from the identification code (BCC) are determined and also the frequency which is disturbed and the timing offset (t1,t2, . . . FIG. 7) for the frequencies used by said candidates. Finally it is investigated if one or more (fa,fb) of these have the same time offset as the interference signal (t0) resulting in that at least one candidate (CA3) with the best matching offsets on its frequencies is identified as the interference source.
    • 本发明涉及一种在移动无线电系统中,优选地在用于移动电话的GSM无线电网络中识别一个或多个干扰源的方法。 接收信号(r)由有用信号和多个干扰信号组成,其中一个是主导干扰信号,其中所有信号包括已知训练序列(TK1,TK2 ...)。 从接收到的信号(r)中估计和减去载波,给出剩余的干扰信号(s)。该信号与已知的训练序列(TKj,j = 0,1,2,...,7)相关,导致 与干扰信号相关的训练序列。 根据本发明,确定来自所述训练序列的可能的干扰源(BS1)的识别码(BCC)。 之后,确定各自对应于来自识别码(BCC)的某个小区的多个候选(CA1,CA2,),并且确定被干扰的频率和定时偏移(t1,t2,...,十字 对于所述候选使用的频率的参考目标=“图”>图7 )。 最后,调查其中一个或多个(fa,fb)是否与干扰信号(t0)具有相同的时间偏移,导致在其频率上具有最佳匹配偏移的至少一个候选(CA3)被识别为干扰 资源。