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    • 11. 发明申请
    • R-bambuterol, its preparation and therapeutic uses
    • R-班布特罗,其制备和治疗用途
    • US20050171197A1
    • 2005-08-04
    • US11053014
    • 2005-02-08
    • Wen TanJiang Cheng
    • Wen TanJiang Cheng
    • A61K31/325C07C271/10C07C271/44
    • C07C271/44Y02P20/55
    • R-enantiomer of Bambuterol, its preparation and therapeutic uses are disclosed. A composition includes R-Bambuterol or its therapeutically acceptable salt. A composition of R-Bambuterol includes at least 80% by weight of the R-enantiomer and not more than 20% by weight of the S-enantiomer based on a total weight of the Bmbuterol. A process includes: (a) asymmetrically reducing a suitably substituted and suitably protected bromoacetophenone compound to a chiral phenyl-bromoethanol comprising a primary bromo group and a secondary hydroxyl group; (b) displacing the bromo group by a suitably substituted and optionally protected primary amine to produce a protected chiral phenylethanolamine, and (c) removing the protecting groups to convert the protected chiral phenylethanolamine to a chiral phenylethanolamine.
    • 班布特罗的R-对映异构体,其制备和治疗用途被公开。 组合物包括R-班布特罗或其治疗上可接受的盐。 R-班布特罗的组合物包含至少80重量%的R-对映异构体和不超过20重量%的S-对映异构体,基于布替托罗的总重量。 方法包括:(a)将适当取代的适当保护的溴乙酰苯化合物不对称地还原成包含伯溴基和仲羟基的手性苯基 - 溴乙醇; (b)通过适当取代的和任选保护的伯胺置换溴基以产生受保护的手性苯乙醇胺,和(c)除去保护基团以将被保护的手性苯乙醇胺转化为手性苯乙醇胺。
    • 12. 发明申请
    • Method and apparatus for soft switching
    • 软切换的方法和装置
    • US20070153747A1
    • 2007-07-05
    • US10557626
    • 2004-05-06
    • Sheng PanLi SunNi MaJiang Cheng
    • Sheng PanLi SunNi MaJiang Cheng
    • H04Q7/24
    • H04W52/383H04W36/14H04W36/30H04W76/23H04W84/18H04W88/06
    • A method in wireless communication systems is provided for switching from P2P (Peer to Peer) communication mode to UP-UTRAN-DOWN (conventional communication mode) and from conventional communication mode to P2P mode, wherein the method performed by a user equipment for switching from P2P communication mode to conventional communication mode comprising steps of: detecting the direct link used by the user equipment in P2P communication with the other user equipment; sending a request for switching to conventional communication mode to a wireless communication network system if the detecting result indicates that the communication quality of the direct link can't satisfy the requirement for P2P communication; and establishing conventional communication connection so as to communicate with said the other user equipment in conventional mode, after receiving the acknowledge (ACK) message of the request for switching sent by the network system.
    • 提供了一种无线通信系统中的方法,用于从P2P(对等)通信模式切换到UP-UTRAN-DOWN(常规通信模式)和从常规通信模式切换到P2P模式,其中由用户设备执行的切换 P2P通信模式包括以下步骤:检测用户设备在与其他用户设备的P2P通信中使用的直接链路; 如果检测结果指示直接链路的通信质量不能满足P2P通信的要求,则向无线通信网络系统发送切换到常规通信模式的请求; 以及在接收到由网络系统发送的切换请求的确认(ACK)消息之后,建立常规通信连接以便以常规模式与所述其他用户设备进行通信。
    • 13. 发明申请
    • Adaptive step size method for power control in wireless communication system and system for the same
    • 用于无线通信系统和系统中功率控制的自适应步长方法
    • US20060183493A1
    • 2006-08-17
    • US10540693
    • 2003-12-29
    • Ni MaXuejun ZhangJiang Cheng
    • Ni MaXuejun ZhangJiang Cheng
    • H04B7/00H04Q7/20
    • H04W52/221H04W52/362
    • The present invention relates to an adaptive step size method for power control in wireless communication systems and a system for the same. The method includes the steps: obtaining the power control information whose number is previously set in previous power control cycle and that in current power control cycle; Determining the power control step size in current power control cycle according to the obtained power control information whose number is previously set in previous power control cycle and that in current power control cycle. Employing the method to determine a suitable step size in current PC cycle, we can overcome the defect that the change of the PC step size in current wireless communication system is a fixed value, thereby make the power change more smooth, and ensure that wireless communication holds better communication quality.
    • 本发明涉及一种用于无线通信系统中的功率控制的自适应步长方法及其系统。 该方法包括以下步骤:获得先前功率控制周期中先前设置的功率控制信息和当前功率控制周期中的功率控制信息; 根据所获得的功率控制信息确定当前功率控制周期中的功率控制步长,该功率控制信息的数量是在先前的功率控制周期中预先设定的,而在当前的功率控制周期中。 采用该方法确定当前PC周期中的合适步长,可以克服当前无线通信系统中PC步长变化为固定值的缺陷,从而使功率变化更加平稳,确保无线通信 拥有更好的沟通质量。
    • 14. 发明申请
    • System for allocating channels to calls via updatable priorities
    • 通过可更新优先级将通道分配给呼叫的系统
    • US20050170840A1
    • 2005-08-04
    • US10515695
    • 2003-04-29
    • Jiang Cheng
    • Jiang Cheng
    • H03F1/08H04L12/56H04W16/04H04W16/06H04W72/02H04W72/10H04W84/18H04Q7/20
    • H04W16/04H04W16/06H04W72/02H04W72/10H04W84/18
    • Systems (1) for allocating channels to calls by firstly searching its own cluster of channels and then searching subsequent clusters of channels until a free channel has been found are provided with updating options for updating cluster priorities in dependence of searching results. These systems (1) have integrated the updating and the call handling, which improves the efficiency of the self-organizing capabilities compared to separated updating and call handling. Said updating may comprise the increasing of a cluster priority for a cluster comprising an available channel and the decreasing of a cluster priority for a cluster not comprising an available channel. An original cluster may correspond with a cell receiving a request for allocating a channel to a call, and a subsequent cluster or borrowed cluster may then correspond with a neighboring cell. Said updating may be done for borrowed clusters and may not be done for original clusters.
    • 用于通过首先搜索其自己的信道簇然后搜索后续的信道簇直到找到空闲信道的系统(1)为根据搜索结果更新簇优先级提供更新选项。 这些系统(1)集成了更新和呼叫处理,与分离的更新和呼叫处理相比,这提高了自组织能力的效率。 所述更新可以包括对于包括可用信道的集群的集群优先级的增加以及用于不包括可用信道的集群的集群优先级的减少。 原始集群可以对应于接收到向呼叫分配信道的请求的小区,并且随后的集群或借用集群然后可以与相邻小区相对应。 可以对所借用的簇进行所述更新,并且可能不对原始簇进行更新。
    • 15. 发明申请
    • Allocation of channelisation code based on cost function
    • 基于成本函数分配渠道化代码
    • US20050148318A1
    • 2005-07-07
    • US10509231
    • 2003-03-05
    • Jiang Cheng
    • Jiang Cheng
    • H04B1/707H04J13/00H04J13/16H04J13/20H04W4/12H04W36/06H04W72/04H04M11/00
    • H04W36/06H04J13/0044H04J13/20H04W4/12H04W72/0466
    • Telecommunication systems comprising base stations (1) and mobile terminals (11) generate channelization codes like Orthogonal Variable Spreading Factor codes or OVSF codes defining channels used for communication between base stations (1) and mobile terminals (11) and calculate cost functions for these channelization codes. The base stations (1) are provided with transferors (7) for transferring ongoing calls from first channels defined by first channelization codes to second channels defined by second channelization codes in dependence of calculated cost functions, to be able to treat ongoing calls dynamically, by allocating channels dynamically to ongoing calls. Said transferring is realized via transferring messages. Preferably a low complex cost function is a function of a sum of products of an occupation parameter and a data rate for at least a specific level and divided by a data rate for a neighboring level, to reduce the processing capacity.
    • 包括基站(1)和移动终端(11)的电信系统生成诸如正交可变扩频因子码或定义用于基站(1)和移动终端(11)之间的通信的信道的OVSF码的信道化码,并计算这些信道化的成本函数 代码。 基站(1)设置有用于将正在进行的呼叫从第一信道化码定义的第一信道转移到根据计算出的成本函数由第二信道化码定义的第二信道的转移器(7),以便能够动态地对待正在进行的呼叫 将频道动态分配到正在进行的呼叫。 所述传送通过传送消息来实现。 优选地,低复杂成本函数是占用参数和至少特定级别的数据速率的乘积之和除以邻近级别的数据速率的函数,以减少处理能力。
    • 16. 发明授权
    • Method and apparatus for peer-to-peer instant messaging
    • 用于对等即时消息传送的方法和装置
    • US08676165B2
    • 2014-03-18
    • US11722978
    • 2005-12-15
    • Jiang ChengFan Wu
    • Jiang ChengFan Wu
    • H04W4/12
    • H04L51/04H04L51/38
    • The invention proposes a method of peer-to-peer instant messaging and the mobile terminal thereof, which could make the mobile terminal to establish and maintain a list of friend users and update the connection status of the friend users timely. The method of peer-to-peer instant messaging includes following steps: receiving the list of on-line users with capability of peer-to-peer instant messaging sent by the radio network (S260); comparing said list of particular users with said received list of on-line users (S270); updating, according to said comparison result, the connection status record of each user in said list of particular users (S280) so that the mobile terminal could establish a peer-to-peer instant messaging with at least one user mobile terminal in said list of particular users according to said updated connection status record. The present invention enables the user to establish peer-to-peer connection more effectively and to perform instant messaging while occupying less network resources.
    • 本发明提出了一种对等即时消息的方法及其移动终端,可以使移动终端建立和维护一个朋友用户的列表,并及时更新朋友用户的连接状态。 所述对等即时消息的方法包括以下步骤:接收由无线电网络发送的具有对等即时消息能力的在线用户列表(S260); 将所述特定用户列表与所述接收到的在线用户列表进行比较(S270); 根据所述比较结果,更新所述特定用户列表中每个用户的连接状态记录(S280),使得移动终端可以与所述列表中的至少一个用户移动终端建立点对点即时消息通信 特定用户根据所述更新的连接状态记录。 本发明使得用户能够更有效地建立对等连接,并且在占用更少的网络资源的同时执行即时消息。
    • 17. 发明申请
    • Method and system for radio link establishment and maintenance with p2p communication in wireless communication
    • 无线通信无线链路建立与维护方法与系统,无线通信中的p2p通信
    • US20060168343A1
    • 2006-07-27
    • US10547587
    • 2004-03-01
    • Ni MaLi SunQunli JiaXuejun ZhangJiang chengYueheng Li
    • Ni MaLi SunQunli JiaXuejun ZhangJiang chengYueheng Li
    • G06F15/173G06F15/16
    • H04W52/38H04W24/00H04W52/383H04W52/48H04W52/50H04W76/10H04W92/18
    • A method is provided for establishing P2P radio connection in wireless communication networks, comprising: the user equipment, as the link probing originator, transmits link probing signals via the allocated direct communication link to another user equipment as the link probing responder, according to the initial probing power provided by the wireless communication system; said another user equipment transmits the ACK message to the link probing originator via the direct communication link when receiving the link probing signals and said link probing signals meet the basic requirement for direct communication; the user equipment, as the link probing originator, monitors the direct communication link, and communicates directly with the link probing responder via the direct communication link after detecting the ACK message from the link probing responder. This method effectively guarantees the procedure of establishing P2P communication between the user equipments in P2P communication course, by utilizing the link probing process of transmitting link probing signals.
    • 提供了一种用于在无线通信网络中建立P2P无线电连接的方法,包括:作为链路探测发起者的用户设备根据初始化的链路探测应答器经由所分配的直接通信链路向另一个用户设备发送链路探测信号 由无线通信系统提供的探测功率; 所述另一用户设备在接收到链路探测信号时,经由直接通信链路将链路探测发起者发送ACK消息,并且所述链路探测信号满足直接通信的基本要求; 作为链路探测发起者的用户设备监视直接通信链路,并且在从链路探测应答器检测到ACK消息之后,经由直接通信链路与链路探测应答器直接通信。 该方法通过利用发送链路探测信号的链路探测过程有效地保证了P2P通信过程中用户设备之间建立P2P通信的过程。
    • 18. 发明申请
    • Telecommunication system with non-(re)allocatable and (re)allocatable timeslots
    • 具有非(可)可分配和(可)可分配时隙的电信系统
    • US20060077912A1
    • 2006-04-13
    • US10526977
    • 2003-09-18
    • Jiang Cheng
    • Jiang Cheng
    • H04L12/16
    • H04B7/2656
    • Telecommunication systems for providing telecommunication services via communication channels (50) with time-frame structures having at least two flexible timeslots which are (re)allocatable to an uplink or a downlink can be made more practical by introducing at least one fixed (non-(re)allocatable) uplink timeslot, at least one fixed (non-(re)allocatable) downlink timeslot, and by introducing according to a basic idea in said flexible timeslots a first number of timeslots with an uplink priority and a second number of timeslots with a downlink priority. Said at least one fixed uplink timeslot can be one fixed uplink timeslot, said at least one fixed downlink timeslot can be one fixed downlink timeslot, with said first and second number of timeslots coinciding, and with one kind of priority increasing and with the other kind of priority decreasing per timeslot. Alternatively, rules and/or interference detection results are used for defining (locations and/or priorities for) said first and second number of timeslots.
    • 通过经由通信信道(50)提供电信服务的电信系统具有具有至少两个可重新分配给上行链路或下行链路的灵活时隙的时间帧结构,可以通过引入至少一个固定(非( 可分配的)上行链路时隙,至少一个固定(可(可分配的)可分配的)下行链路时隙,并且通过在所述灵活时隙中引入具有上行链路优先级的第一数量的时隙和具有 下行优先级。 所述至少一个固定上行链路时隙可以是一个固定上行链路时隙,所述至少一个固定下行链路时隙可以是一个固定的下行链路时隙,所述第一和第二时隙数量一致,并且具有一种优先级增加,并且与另一种类型 优先级每个时隙减少。 或者,规则和/或干扰检测结果用于定义所述第一和第二数量的时隙的(位置和/或优先级)。