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    • 8. 发明申请
    • DELAYED BRANCH DECISION IN QUADRATURE DECOMPOSITION WITH M-SEARCHTNG
    • 用M-SEARCHTNG进行正交分解的延迟分配决策
    • WO2008081252A9
    • 2009-04-30
    • PCT/IB2007003961
    • 2007-12-17
    • NOKIA CORPNOKIA INCLI WEIWANG HAIFENGLILLEBERG JORMA OCHEN MINGCHENG SHIXIN
    • LI WEIWANG HAIFENGLILLEBERG JORMA OCHEN MINGCHENG SHIXIN
    • H04L25/03
    • H04L25/03216H04L2025/03426
    • A QRD-M decomposition includes a first and a sequential second stage, at least. In the first stage, M branches are selected from among more than M branches entering the first stage as survive branches from which multiple decompositions are calculated. In the second stage, more than M branches are selected from among those branches entering the second stage as survive branches from which multiple decompositions are calculated. The symbol of the received signal is decided from a branch that is a survive branch of both the first and second stages. The second stage may be within a window that may include additional stages at which the pruning decision down to M survive branches is delayed. One or more windows may be used in a single QRD-M decomposition. In an embodiment, all branches entering the second stage are survive branches. It is shown that the marginal increased computational load increases accuracy.
    • QRD-M分解至少包括第一和第二阶段。 在第一阶段,从分支进入第一阶段的M个分支中选出M个分支作为计算多个分解的生存分支。 在第二阶段,从进入第二阶段的那些分支中选出超过M个分支作为计算多重分解的生存分支。 接收信号的符号由作为第一和第二级的存活分支的分支决定。 第二阶段可能在一个窗口内,可能包括另外一个阶段,在此阶段,由M延续出来的剪枝决定被延迟。 单个QRD-M分解中可以使用一个或多个窗口。 在一个实施例中,进入第二阶段的所有分支都是能够分支的。 显示边际增加的计算负载提高了精度。
    • 9. 发明申请
    • DELAYED BRANCH DECISION IN QUADRATURE DECOMPOSITION WITH M-SEARCHTNG
    • 用M-SEARCHTNG进行正交分解的延迟分配决策
    • WO2008081252A2
    • 2008-07-10
    • PCT/IB2007003961
    • 2007-12-17
    • NOKIA CORPNOKIA INCLI WEIWANG HAIFENGLILLEBERG JORMA OCHEN MINGCHENG SHIXIN
    • LI WEIWANG HAIFENGLILLEBERG JORMA OCHEN MINGCHENG SHIXIN
    • H04L25/03
    • H04L25/03216H04L2025/03426
    • A QRD-M decomposition includes a first and a sequential second stage, at least. In the first stage, M branches are selected from among more than M branches entering the first stage as survive branches from which multiple decompositions are calculated. In the second stage, more than M branches are selected from among those branches entering the second stage as survive branches from which multiple decompositions are calculated. The symbol of the received signal is decided from a branch that is a survive branch of both the first and second stages. The second stage may be within a window that may include additional stages at which the pruning decision down to M survive branches is delayed. One or more windows may be used in a single QRD-M decomposition. In an embodiment, all branches entering the second stage are survive branches. It is shown that the marginal increased computational load increases accuracy.
    • QRD-M分解至少包括第一和第二阶段。 在第一阶段,从分支进入第一阶段的M个分支中选出M个分支作为计算多个分解的生存分支。 在第二阶段,从进入第二阶段的那些分支中选出超过M个分支作为计算多重分解的生存分支。 接收信号的符号由作为第一和第二级的存活分支的分支决定。 第二阶段可能在一个窗口内,可能包括另外一个阶段,在此阶段,由M延续出来的剪枝决定被延迟。 单个QRD-M分解中可以使用一个或多个窗口。 在一个实施例中,进入第二阶段的所有分支都是能够分支的。 显示边际增加的计算负载提高了精度。
    • 10. 发明申请
    • ARRAY INTERCONNECT FOR IMPROVED DIRECTIVITY
    • 改善方向的阵列互连
    • WO2007050429A3
    • 2008-03-27
    • PCT/US2006040900
    • 2006-10-19
    • SONOSITE INCHIPPE RICKLI WEICOLEMAN ALLAN
    • HIPPE RICKLI WEICOLEMAN ALLAN
    • B06B1/06
    • B06B1/0622
    • Systems and methods which improve the directivity of a transducer array by reducing electrical cross-talk between conductors connected to individual transducer array elements through the use of a plurality of interconnect circuits are shown. A plurality of signal transmission path circuits, such as circuit boards, flexible printed circuits, etc., are used to provide electrical power to and receive signals from transducer elements of a transducer array. Embodiments couple transducer elements to conductive traces of the signal transmission path circuits in a manner such that adjacent transducer elements are not connected to conductive traces on the same signal transmission path circuit. In some embodiments, a plurality of signal transmission path circuits are offset such that two identical signal transmission path circuits can be used to provide connectivity to array transducer elements using more widely spaced conductive traces, thus reducing electrical cross-talk effects.
    • 示出了通过减少通过使用多个互连电路连接到各个换能器阵列元件的导体之间的电串扰来改善换能器阵列的方向性的系统和方法。 诸如电路板,柔性印刷电路等的多个信号传输路径电路被用于向换能器阵列的换能器元件提供电力并从其接收信号。 实施例将传感器元件耦合到信号传输路径电路的导电迹线,使得相邻的换能器元件不连接到同一信号传输路径电路上的导电迹线。 在一些实施例中,多个信号传输路径电路被偏移,使得可以使用两个相同的信号传输路径电路来提供使用更广泛间隔的导电迹线的阵列换能器元件的连接性,从而减少电串扰效应。