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    • 2. 发明授权
    • Method and system for determining a neighbor list for a code division multiple access (CDMA) sector
    • 用于确定码分多址(CDMA)扇区的邻居列表的方法和系统
    • US06360098B1
    • 2002-03-19
    • US09525356
    • 2000-03-15
    • Rajamani GaneshVincent O'Byrne
    • Rajamani GaneshVincent O'Byrne
    • H04Q722
    • H04W36/18
    • In a code division multiple access (CDMA) radio communications network (20) having a plurality of cells (24) subdivided into sectors (26), a computer based method (36) and a computing system (34) determine a neighbor list (56) for a selected one of the sectors (26). The sector (26) is subdivided into a plurality of locations (64). For each location (64), a primary pilot channel (88) exhibiting a primary signal quality (92) is distinguished. Secondary pilot channels (120) are identified exhibiting secondary signal qualities (119) within a signal quality threshold window (108) of the primary signal quality (92) of the primary pilot channel. The primary and secondary pilot channels (88 and 120) are included in the neighbor list (56) for the sector (26) as candidate handoff channels (98). The candidate handoff channels (98) are arranged in a ranked order in the neighbor list (56) such that those candidate handoff channels (98) having a higher rank have a greater likelihood for inclusion in a neighbor set of a mobile station (32) residing in the serving area of the sector (26).
    • 在具有细分为扇区(26)的多个小区(24)的码分多址(CDMA)无线电通信网络(20)中,基于计算机的方法(36)和计算系统(34)确定邻居列表(56) )对于所选择的一个扇区(26)。 扇区(26)被细分为多个位置(64)。 对于每个位置(64),区分显示主信号质量(92)的主导频信道(88)。 识别出在主导频信道的主信号质量(92)的信号质量阈值窗口(108)内显示次信号质量(119)的次导频信道(120)。 主要和次要导频信道(88和120)被包括在用于扇区(26)的邻居列表(56)中作为候选切换信道(98)。 候选切换信道(98)以相邻列表(56)中的排序顺序排列,使得具有较高等级的那些候选切换信道(98)具有更大的可能性,以包含在移动站(32)的相邻集合中, 居住在该部门的服务区(26)。
    • 3. 发明授权
    • Method and system for mobile location detection using handoff information
    • 使用切换信息的移动位置检测方法和系统
    • US07366492B1
    • 2008-04-29
    • US10138273
    • 2002-05-03
    • Rajamani Ganesh
    • Rajamani Ganesh
    • H04M11/04
    • H04W64/00G01S5/0205
    • Methods and systems for mobile station location detection. A mobile station measures signal strength of each of a set of signals associated with the mobile station, then determines whether a number of signals in the set is less than a predetermined threshold. Based on the determination, the mobile station calculates a difference in power between a first and second signal associated with the mobile station. Thereafter, power on a channel corresponding to the mobile station is increased for a predetermined number of frames based on the calculation. The location of the mobile station is determined during the power increase.
    • 移动台位置检测方法与系统。 移动站测量与移动站相关联的一组信号中的每一个的信号强度,然后确定该组中的多个信号是否小于预定阈值。 基于该确定,移动台计算与移动站相关联的第一和第二信号之间的功率差异。 此后,基于该计算,与移动台相对应的信道的功率增加预定数量的帧。 在功率增加期间确定移动台的位置。
    • 6. 发明授权
    • Method and system for modeling migration of call traffic in a multiple mode wireless network
    • 用于建模多模式无线网络中呼叫流量迁移的方法和系统
    • US06636739B1
    • 2003-10-21
    • US09645738
    • 2000-08-24
    • Donna FagenRajamani GaneshDimitris N. KalofonosVincent A. O'Byrne
    • Donna FagenRajamani GaneshDimitris N. KalofonosVincent A. O'Byrne
    • H04Q720
    • H04W16/22H04W16/18
    • A computing system (36) provides a network designer with a mechanism for modeling migration, or a shift, of call traffic from a first server (26) operating using a first technology type to a second server (28) operating using a second technology type. The system (36) executes a traffic map generation process (56) for generating a first traffic map (60) responsive to a radio coverage area (30) and a call traffic load (84) for the first server (26), and for generating a second traffic map (62) responsive to a radio coverage area (32) and call traffic load (90) for the second server (28). The system (36) executes a call traffic migration modeling process (58) to adapt the second traffic map (62) to include a proportion (100) of the first call traffic load (84) to be shifted from the first server (26) to the second server (28).
    • 计算系统(36)向网络设计者提供用于建模来自使用第一技术类型操作的第一服务器(26)的呼叫流量的迁移或移动到使用第二技术类型操作的第二服务器(28)的机制 。 系统(36)执行响应于第一服务器(26)的无线电覆盖区域(30)和呼叫业务负载(84)产生第一业务量映射(60)的业务量图生成处理(56)​​,并且 响应于无线电覆盖区域(32)产生第二业务量映射(62),并为第二服务器(28)发送呼叫流量负载(90)。 系统(36)执行呼叫业务迁移建模过程(58),以使第二业务量映射(62)包括要从第一服务器(26)移位的第一呼叫业务负载(84)的比例(100) 到第二服务器(28)。
    • 10. 发明授权
    • System and method for PN offset index planning in a digital CDMA cellular network
    • 用于数字CDMA蜂窝网络中PN偏移索引规划的系统和方法
    • US06490313B1
    • 2002-12-03
    • US09461254
    • 1999-12-15
    • Rajamani GaneshPete Allen Boyer
    • Rajamani GaneshPete Allen Boyer
    • H04K100
    • H04B1/7103H04W52/34H04W52/50
    • A system optimally assigns pseudo-noise (PN) offsets in a cellular network that includes several sectors. The system sets parameters for the cellular network, determines potential interference between each of the sectors and mobile units in the cellular network based on the set parameters, and identifies constraints for each of the sectors based on the determined potential interference. The system then approximates a highest co-offset protection value for successful PN offset assignments based on the determined potential interference and the identified constraints, and selectively adjusts a sector co-offset protection value using the approximated highest co-offset protection value as a starting point to obtain optimum PN offset assignments.
    • 系统在包括多个扇区的蜂窝网络中最佳地分配伪噪声(PN)偏移。 系统设置蜂窝网络的参数,基于所设置的参数确定蜂窝网络中的每个扇区和移动单元之间的潜在干扰,并且基于所确定的潜在干扰来识别每个扇区的约束。 然后,该系统基于所确定的潜在干扰和所识别的约束近似成功的PN偏移分配的最高共同偏移保护值,并且使用近似最大的共同偏移保护值作为起点选择性地调整扇区副偏移保护值 以获得最佳PN偏移分配。