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    • 3. 发明申请
    • Method and apparatus for scheduling packet data transmissions in a wireless communication system
    • 一种用于在无线通信系统中调度分组数据传输的方法和装置
    • US20050129063A1
    • 2005-06-16
    • US11040743
    • 2005-01-21
    • Leonid RazoumovJack Holtzman
    • Leonid RazoumovJack Holtzman
    • H04L29/06H04L1/00H04M11/00H04W16/14H04W72/10H04W72/12H04W74/00H04J3/16
    • H04W72/1247H04L1/0002H04L1/0018H04L1/0025H04L1/0026
    • A method (18) for scheduling packet data transmissions in a wireless communication system wherein a per-user Priority Function (PF) (24) is based on a channel condition indicated by a Rate Request Indicator (RRI). The method also considers fairness criteria dictated by predetermined Quality of Service (QOS) requirements. In one embodiment, the rate request indicator is a Data Rate Request (DRR). In another embodiment, the rate request indicator is Carrier-to-Interference (C/I) information. In the exemplary embodiment, the base station calculates a Priority Function (PF) for the multiple mobile users. Each PF is a function of the rate request indicator and the projected throughput of a given mobile user. The PF values allow the base station to schedule active mobile units having pending data. The scheduling produces an approximately equal share of the allocated transmission time to the multiple mobile stations.
    • 一种用于在无线通信系统中调度分组数据传输的方法(18),其中每用户优先级功能(PF)(24)基于由速率请求指示符(RRI)指示的信道状况。 该方法还考虑了由预定的服务质量(QOS)要求所规定的公平性标准。 在一个实施例中,速率请求指示符是数据速率请求(DRR)。 在另一个实施例中,速率请求指示符是载波到干扰(C / I)信息。 在示例性实施例中,基站计算多个移动用户的优先级功能(PF)。 每个PF是速率请求指示符和给定移动用户的预计吞吐量的函数。 PF值允许基站调度具有未决数据的活动移动单元。 调度产生与多个移动站的分配的传输时间的近似相等的份额。
    • 5. 发明授权
    • Method and apparatus for combined puncturing and repeating of code symbols in a communications system
    • 用于在通信系统中组合穿孔和重复代码符号的方法和装置
    • US06675347B1
    • 2004-01-06
    • US09618952
    • 2000-07-19
    • Leonid RazoumovFuyun LingStein Lundby
    • Leonid RazoumovFuyun LingStein Lundby
    • H03M1303
    • H04L1/0069
    • Techniques for puncturing symbols in a communications system are disclosed. S symbols are received for a frame having a capacity of N symbols, with S being greater than N. P symbols need to be punctured so that remaining symbols fit into the frame. A number of puncture distances, D1 through DN, are computed based on S and P. A particular number of symbol punctures is determined for each computed puncture distance. P1 through PN symbol punctures are then performed at the distances of D1 through DN, respectively. For a more even distribution of the symbol punctures, each of the distances D1 through DN can be selected to be greater than or equal to a minimum puncture distance Dmin defined as Dmin=└S/P┘, where └ ┘ denotes a floor operator. The symbol punctures at each computed distance can be performed together or distributed with symbol punctures at other distances. In the alternative, an accumulator is configured to wrap around after it has been incremented to a value of S, each increment being of size P. A symbol index is incremented by one each time the accumulator is incremented by P, until the symbol index exceeds the value S. The process is advantageously begun with a puncture. Each time the accumulator wraps around, another puncture is performed. As another alternative, puncturing can be combined with symbol repetition.
    • 公开了一种在通信系统中对符号进行穿孔的技术。 对于具有N个符号的容量的帧接收S个符号,其中S大于N.P个符号需要被穿孔,使得剩余符号适合于帧。 基于S和P计算多个穿刺距离D1至DN。针对每个计算的穿刺距离确定特定数量的符号穿孔。 然后分别在D1到DN的距离处执行P1到PN符号穿孔。 为了更均匀地分配符号穿孔,可以将距离D1至DN中的每一个选择为大于或等于定义为Dmin =└S/ P“的最小穿孔距离Dmin,其中└表示地板操作者。 在每个计算距离处的符号穿孔可以一起执行或者以其他距离的符号穿孔分布。 在替代方案中,累加器被配置为在已经增加到S的值之后包围,每个增量为大小P.每当累加器递增P时,符号索引增加1,直到符号索引超过 值S.该方法有利地开始穿刺。 每次蓄能器包裹时,都会进行另一次穿刺。 作为另一种选择,穿孔可以与符号重复组合。