Simple and robust digital code tracking loop for wireless communication systems

    公开(公告)号:US08218603B2

    公开(公告)日:2012-07-10

    申请号:US12775969

    申请日:2010-05-07

    Applicant: Bin Li

    Inventor: Bin Li

    Abstract: A simple and robust CTL is used for time tracking of multipath components of a spread spectrum signal transmitted over a wireless multipath fading channel. A digital code-tracking loop includes the implementations of despreading early and late data samples by use of a pseudonoise sequence, an error signal output generated by the despreading, and adjustment for a plurality of on-time, early and late samples, a data rate of a control signal provided as a fractional proportion of a data rate of error signals.

    Preparation method of phenylcarboxamides
    476.
    发明授权
    Preparation method of phenylcarboxamides 有权
    苯甲酰胺的制备方法

    公开(公告)号:US08217179B2

    公开(公告)日:2012-07-10

    申请号:US12918133

    申请日:2009-03-30

    CPC classification number: C07D401/04

    Abstract: A preparation method of phenylcarboxamides of formula (I), the reaction scheme of which is as follows: wherein the groups are defined in the description. In this method, 3-halo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid esters (V) as the raw materials are hydrolyzed to obtain carboxylic acids of formula (IV) under a basic condition, and carboxylic acids (IV) are simultaneously acyl halogenated and oxidated to get acyl halide of formula (III), and then without the presence of a acid binging agent, acyl chlorides (III) are reacted with substituted anilines (II) to get phenylcarboxamides of formula (I) in high yield.

    Abstract translation: 式(I)的苯甲酰胺的制备方法,其反应方案如下:其中这些基团在说明书中定义。 在该方法中,将作为原料的3-卤代-1-(3-氯-2-吡啶基)-4,5-二氢-1H-吡唑-5-羧酸酯(V)水解,得到式 (Ⅳ),羧酸(Ⅳ)同时进行酰基卤化和氧化,得到式(Ⅳ)的酰卤,然后不存在酸性起始剂,酰基氯(III)与取代的 苯胺(II)以高产率得到式(I)的苯基甲酰胺。

    Single-Event Upset Hardened Ring Oscillator
    478.
    发明申请
    Single-Event Upset Hardened Ring Oscillator 有权
    单事件不稳定硬化环振荡器

    公开(公告)号:US20120154058A1

    公开(公告)日:2012-06-21

    申请号:US13267925

    申请日:2011-10-07

    CPC classification number: H03K3/0315 H03K3/0375 H03L7/0893 H03L7/0995

    Abstract: A ring oscillator is disclosed. The ring oscillator includes a first tri-path inverter, a second tri-path inverter and a third tri-path inverter. The second tri-path inverter is connected to the first tri-path inverter. The third tri-path inverter is connected to the first and second tri-path inverters to provide feedback for oscillations.

    Abstract translation: 公开了一种环形振荡器。 环形振荡器包括第一三路反相器,第二三路反相器和第三三路反相器。 第二三路逆变器连接到第一三路逆变器。 第三三路逆变器连接到第一和第二三路逆变器以提供用于振荡的反馈。

    Method And Server For Instant Messaging
    479.
    发明申请
    Method And Server For Instant Messaging 有权
    方法和服务器即时通讯

    公开(公告)号:US20120143974A1

    公开(公告)日:2012-06-07

    申请号:US13369033

    申请日:2012-02-08

    CPC classification number: H04L51/04

    Abstract: An Instant Messaging (IM) method and server are provided. The method includes: receiving instance login information sent by an IM client, wherein the instance login information at least includes login information of a user of the IM client and instance information of a terminal located by the IM client (101); authenticating identity of the user of the IM client, according to the login information in the instance login information (102); when the authenticating is passed, allocating an instance number for the IM client, according to the instance information in the instance login information, wherein the instance number is configured to uniquely identify the IM client (103). The server includes a receiving module (801), an authenticating module (802) and an allocating module (803). By adopting the method and server provided, multipoint login of one login account may be effectively achieved, and multiple aspects requirements of a user may be satisfied.

    Abstract translation: 提供即时消息(IM)方法和服务器。 该方法包括:接收IM客户端发送的实例登录信息,其中所述实例登录信息至少包括所述IM客户端的用户的登录信息和由所述IM客户端(101)定位的终端的实例信息; 根据实例登录信息(102)中的登录信息来认证IM客户端的用户的身份; 当所述认证被传递时,根据所述实例登录信息中的所述实例信息,为所述IM客户端分配实例号,其中,所述实例号被配置为唯一地标识所述IM客户端(103)。 服务器包括接收模块(801),认证模块(802)和分配模块(803)。 通过采用提供的方法和服务器,可以有效地实现一个登录帐户的多点登录,并且可以满足用户的多方面需求。

    METHOD AND APPARATUS FOR MIGRATING SUB-NETWORK CONNECTION PROTECTION (SNCP) SERVICE
    480.
    发明申请
    METHOD AND APPARATUS FOR MIGRATING SUB-NETWORK CONNECTION PROTECTION (SNCP) SERVICE 有权
    用于移动子网连接保护(SNCP)服务的方法和装置

    公开(公告)号:US20120128353A1

    公开(公告)日:2012-05-24

    申请号:US13258886

    申请日:2009-11-18

    Applicant: Bin Li

    Inventor: Bin Li

    CPC classification number: H04Q3/0054 H04Q11/0062 H04Q2011/0081

    Abstract: The present invention discloses a method and an apparatus for migrating a Sub-Network Connection Protection (SNCP) service. The method comprises: receiving a migration request of an SNCP service, wherein the migration request comprises one of: Permanent Connection (PC) to Soft Permanent Connection (SPC) migration, SPC to PC migration; respectively setting cross status control bits of a current operation connection and a correlative connection thereof according to the received migration request, and performing collective migration of the current operation connection and the correlative connection thereof according to the set cross status control bits; respectively modifying the cross status control bits of the current connection and the correlative connection thereof according to the migration result. The consistency of cross management authorities of a working connection and a protection connection of the SNCP service migration can be ensured by the present invention.

    Abstract translation: 本发明公开了一种用于迁移子网络连接保护(SNCP)业务的方法和装置。 该方法包括:接收SNCP服务的迁移请求,其中迁移请求包括以下之一:永久连接(PC)到软永久连接(SPC)迁移,SPC到PC迁移; 分别根据接收到的迁移请求设置当前操作连接的交叉状态控制位及其相关连接,并根据所设置的交叉状态控制位来执行当前操作连接及其相关连接的集合迁移; 分别根据迁移结果修改当前连接的交叉状态控制位及其相关连接。 通过本发明可以确保工作连接的交叉管理机构和SNCP服务迁移的保护连接的一致性。

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