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    • 81. 发明授权
    • Method and system for optimizing performance in non-relational databases
    • 用于优化非关系数据库性能的方法和系统
    • US07516115B2
    • 2009-04-07
    • US10644295
    • 2003-08-20
    • Sanjay Gupta
    • Sanjay Gupta
    • G06F7/00G06F17/30
    • G06F17/30315Y10S707/99931Y10S707/99932Y10S707/99942
    • A method and system is provided that optimizes performance in non-relational databases. A method includes: sorting and categorizing a first set of columns within a view of the non-relational database; marking a second set of columns within the view as if the second set of columns were already sorted and categorized prior to actual sorting and categorizing of the second set of columns, the second set of columns including all columns exclusive of the first set of columns; sorting and categorizing at least one column of the second set of columns in response to performing a query on the at least one column; maintaining the first set of columns in a portion of cache; and maintaining the at least one column of the second set of columns in another portion of cache. In the method, the second set of columns is visible as collapsed data.
    • 提供了一种优化非关系数据库性能的方法和系统。 一种方法包括:在非关系数据库的视图内对第一组列进行排序和分类; 在视图中标记第二组列,就好像在第二组列的实际排序和分类之前已经对第二组列进行排序和分类,第二组列包括排除第一组列的所有列; 响应于对所述至少一个列执行查询来对第二组列的至少一列进行排序和分类; 将第一组列保存在缓存的一部分中; 以及将所述第二组列的所述至少一列保持在高速缓存的另一部分中。 在该方法中,第二组列可视为折叠数据。
    • 84. 发明授权
    • System and method for test generation for system level verification using parallel algorithms
    • 使用并行算法进行系统级验证的测试生成系统和方法
    • US07260495B2
    • 2007-08-21
    • US11146987
    • 2005-06-06
    • Sanjay GuptaSteven L. RobertsChristopher J. Spandikow
    • Sanjay GuptaSteven L. RobertsChristopher J. Spandikow
    • G06F11/00
    • G06F11/263
    • A system and method for test generation for system level verification using parallel algorithms are provided. The present invention generates test patterns for system level tests by exploiting the scalability of parallel algorithms while allowing for data set coloring and expected result checking. Based on the characteristics of the system being tested an iterative parallel algorithm is selected from a plurality of possible parallel algorithms. The selected parallel algorithm is then separated into separate program statements for execution by a plurality of processors. A serial version of the selected algorithm is executed to generate a set of expected results. The devised parallel version of the selected algorithm is then run to generate a set of test result data which is compared to the set of expected results. If the two sets of data match, it is determined that the system is operating correctly.
    • 提供了一种使用并行算法进行系统级验证的测试生成系统和方法。 本发明通过利用并行算法的可扩展性同时允许数据集着色和预期结果检查来生成用于系统级测试的测试模式。 基于被测系统的特征,从多个可能的并行算法中选择迭代并行算法。 然后将所选择的并行算法分离成单独的程序语句以供多个处理器执行。 执行所选算法的串行版本以产生一组预期结果。 然后运行所选算法的设计的并行版本以生成与一组预期结果进行比较的一组测试结果数据。 如果两组数据匹配,则确定系统正常运行。
    • 85. 发明授权
    • System and method for efficiently using channel unit hardware to provide multiple narrowband channels overlaid on a single wideband channel in a satellite communications network
    • 用于有效地使用信道单元硬件来提供覆盖在卫星通信网络中的单个宽带信道上的多个窄带信道的系统和方法
    • US07170889B2
    • 2007-01-30
    • US10141109
    • 2002-05-08
    • Trevor EaglingSanjay Gupta
    • Trevor EaglingSanjay Gupta
    • H04L12/50H04Q11/00
    • H04B7/2631
    • A system and method for the efficient use of satellite radio modems and satellite bandwidth is disclosed. In the system and method, a satellite radio modem is used for PRACH requests, each PRACH request occupying 31.25 kHz in a packet data transfer channel. The packet data transfer channels can be either 125.0 kHz or 156.25 kHz. Therefore, four PRACH requests can be transmitted in any one packet data transfer channel. The packet data transfer channels are broken into eight time slots, and one time slot in each channel (either the odd frame or even frame) is dedicated to a PRACH request. A satellite radio modem for PDCH transfers is dedicated for each channel. The satellite radio modem assigned to receive the four PRACH requests is timeshared over 16 channels, thereby reducing the amount of satellite radio modems that would otherwise have been needed, had the PRACH request transmissions utilized a dedicated modem for each PRACH request, for each channel.
    • 公开了一种有效利用卫星无线电调制解调器和卫星带宽的系统和方法。 在系统和方法中,卫星无线电调制解调器用于PRACH请求,每个PRACH请求在分组数据传输信道中占用31.25kHz。 分组数据传输通道可以是125.0 kHz或156.25 kHz。 因此,可以在任何一个分组数据传输信道中发送四个PRACH请求。 分组数据传输信道被分解成八个时隙,并且每个信道(奇数帧或偶数帧)中的一个时隙专用于PRACH请求。 用于PDCH传输的卫星无线电调制解调器专用于每个信道。 分配用于接收四个PRACH请求的卫星无线电调制解调器在16个信道上进行时分,从而如果PRACH请求传输利用了用于每个信道的每个PRACH请求的专用调制解调器,则减少了本来需要的卫星无线电调制解调器的数量。