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    • 22. 发明授权
    • Uplink power control for power limited terminals
    • 功率限制端子上行电源控制
    • US08644874B2
    • 2014-02-04
    • US12811736
    • 2008-07-14
    • Eva EnglundErik DahlmanAnders FuruskarYlva JadingKristina JerseniusStefan Parkvall
    • Eva EnglundErik DahlmanAnders FuruskarYlva JadingKristina JerseniusStefan Parkvall
    • H04B7/00
    • G06Q10/06H04W52/146H04W52/221H04W52/30H04W52/325H04W52/367
    • Transmit power control methods and apparatus are disclosed. In several embodiments, a mobile terminal (200) is configured to effectively ignore ‘UP’ transmit power control commands in the event that the mobile terminal (200) is operating in a power-limited state. In an exemplary method for controlling transmit power at a mobile terminal (200), a plurality of transmit power control commands are received. An accumulated power control value is adjusted (350) in response to each transmit power control command that directs a negative adjustment in transmit power. However, the accumulated power control value is adjusted (350) in response to a transmit power control command that directs a positive adjustment in transmit power only if the mobile terminal (200) is not in a power-limited state. Transmit power settings for each transmission are calculated (360) based on the accumulated power control value and the one or more radio link parameters.
    • 公开了发射功率控制方法和装置。 在几个实施例中,移动终端(200)被配置为在移动终端(200)处于功率受限状态的情况下有效地忽略“UP”发射功率控制命令。 在用于控制移动终端(200)的发射功率的示例性方法中,接收多个发射功率控制命令。 响应于指示发送功率的负调整的每个发送功率控制命令,调整累积功率控制值(350)。 然而,仅当移动终端(200)不处于功率限制状态时,响应于仅在指示发送功率中的正调整的发送功率控制命令来调整累积功率控制值(350)。 基于累积的功率控制值和一个或多个无线电链路参数来计算(360)每个传输的发射功率设置。
    • 25. 发明申请
    • UPLINK SCRAMBLING DURING RANDOM ACCESS
    • 随机访问期间的上拉屏
    • US20120176995A1
    • 2012-07-12
    • US13430844
    • 2012-03-27
    • Stefan ParkvallErik DahlmanTobias Tynderfeldt
    • Stefan ParkvallErik DahlmanTobias Tynderfeldt
    • H04W74/08H04W72/04
    • H04W72/0413H04W72/02H04W74/004H04W74/0833
    • The technology described in this case facilitates random access by a user terminal with a radio base station. A user terminal determines one of a first type of uplink scrambling sequences and generates a random access message using the determined one of the first type of uplink scrambling sequences. The random access message is transmitted to the base station. The user terminal receives from the base station a second, different type of uplink scrambling sequence and uses it for subsequent communication with the radio base station. For example, the first uplink scrambling sequences may be specifically associated with the radio base station's cell area or a random access radio channel associated with the radio base station, but they are not specifically assigned to any user terminal, and the second uplink scrambling sequence may be selected from a second set of uplink scrambling sequences specifically assignable to individual user terminals.
    • 在这种情况下描述的技术有助于用无线电基站的用户终端的随机接入。 用户终端确定第一类型的上行链路扰频序列中的一个,并且使用所确定的第一类型的上行链路扰频序列来生成随机接入消息。 随机接入消息被发送到基站。 用户终端从基站接收第二种不同类型的上行加扰序列,并将其用于与无线基站的后续通信。 例如,第一上行链路扰频序列可以与无线电基站的小区区域或与无线电基站相关联的随机接入无线电信道具体地关联,但是它们没有被特别分配给任何用户终端,并且第二上行链路加扰序列可以 从可专用于各个用户终端的第二组上行链路扰频序列中选择。