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    • 1. 发明公开
    • Parallel optimization of wireless networks
    • 平行线乐器Netzwerken
    • EP0977450A2
    • 2000-02-02
    • EP99305715.7
    • 1999-07-20
    • LUCENT TECHNOLOGIES INC.
    • Huo, David DiPittampalli, Eshwar
    • H04Q7/34
    • H04W24/02H04W24/06
    • Signal markers (100-120) are placed in critical locations within the wireless network. Critical locations are locations where signals from base stations (10-22) may be weak due to natural or man-made obstruction and locations where user demand for network resources may be particularly heavy. The signal markers collect data such as the signal strength or amplitude of signals from surrounding base stations, and the amount of user demand for access to the network. The signal markers then communicate this data to the mobile switching center (30). The mobile switching center analyzes the data and, if the data indicates unsatisfactory performance, determines new parameters for the base stations. The mobile switching center then communicates the new parameters to each of the base stations where each of the base stations changes its performance in accordance with the new parameters. The signal markers then once again collect data and communicate that data to the mobile switching center where further changes to base station parameters are made as necessary.
    • 信号标记(100-120)放置在无线网络内的关键位置。 关键位置是由于自然或人为的障碍而来自基站(10-22)的信号可能较弱的位置,并且用户对网络资源的需求可能特别重的位置。 信号标记收集诸如来自周围基站的信号的信号强度或幅度以及用户对网络的访问量的数据。 信号标记然后将该数据传送到移动交换中心(30)。 移动交换中心分析数据,如果数据表示不令人满意的性能,则确定基站的新参数。 然后,移动交换中心将新参数传送到每个基站,其中每个基站根据新参数改变其性能。 信号标记然后再次收集数据并将该数据传送到移动交换中心,根据需要进一步改变基站参数。
    • 5. 发明公开
    • Method for improving the performance of the GSM frequency hopping sequence generator for half/quarter rate channels
    • 一种用于改善频率跳跃序列的GSM生产者的性能与半和四分之一大鼠通道方法
    • EP1178617A1
    • 2002-02-06
    • EP01301193.7
    • 2001-02-12
    • Lucent Technologies Inc.
    • Huo, David Di
    • H04B7/26H04J13/06H04B1/713
    • H04J13/00H04B1/7143H04B7/265
    • The present invention solves the aforementioned problem of decreased signal performance which occurs during half rate and lower channel relative to full rate channel by dividing the position number of the frame (the frame number) by the frequency hopping rate, rounding the resultant down to the nearest integer and using the new integer as the frame number to obtain the carrier frequency for the time slot of the upcoming frame. Stated as a relationship, f 1 1 = f n x where f n is the position number of the upcoming frame and f 1 n is the position number of the frame that is to be used to determine the actual carrier frequency that is to be used for the time slot of the upcoming frame f n , and x is the channel rate. With cyclic hopping, the above relationship is valid in those instances where the number of carrier frequencies and the reciprocal of the channel hopping rate have a common divisor.
    • 本发明解决了上述问题的哪通过将帧(帧号)由频率的位置编号跳频速率,四舍五入所得到最接近的半速率和信道相对较低的全速率信道期间发生的减少的信号性能 完整性和使用新的完整性作为帧编号,以获得用于即将到来的帧的时隙中的载波频率。 表示为一个关系,f1_1 = FN / X其中,fn是即将到来的帧和f1_n的位置号是该帧的位置编号所做的是要用来确定矿的实际载波频率做是要被用于的时隙 即将到来的帧Fn,并且x是信道速率。 与循环跳频,上述关系是在那些情况下的载波频率的数目和信道跳频速率的倒数有一个公约数有效。