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    • 61. 发明申请
    • MOBILE COMMUNICATIONS SYSTEM, BASE STATION, AND TRANSMIT POWER CONTROL METHOD
    • 移动通信系统,基站和发射功率控制方法
    • US20130223266A1
    • 2013-08-29
    • US13881331
    • 2011-10-06
    • Yoshikazu GotoNaoto Ookubo
    • Yoshikazu GotoNaoto Ookubo
    • H04W52/24
    • H04W52/243H04B17/345H04W52/146H04W52/241H04W52/248
    • When a cell in a first system which follows a transmission loss to control an uplink transmit power neighbors a cell in a second system which follows channel fading to control an uplink transmit power, a quality of an uplink signal in the cell in the first system is maintained. The base station includes an uplink signal and interference power measuring unit which measures a desired signal power and an interference signal power from a received signal; an SIR calculating unit which calculates a receive quality for transmit power control from the desired signal power and the interference signal power; a TPC command generating unit which generates transmit power control information in accordance with results of comparing the receive quality for the transmit power control with a predetermined target receive quality; and a signal transmitting unit which transmits, to a user apparatus, a control signal which includes the transmit power control information and resource information which indicates radio resources for the uplink signal, wherein the SIR calculating unit calculates the receive quality for the transmit power control with a calculating method in accordance with communications conditions in a cell of the base station.
    • 当跟随传输损耗来控制上行链路发送功率的第一系统中的小区与跟随信道衰落的第二系统中的小区邻接以控制上行链路发射功率时,第一系统中的小区中的上行链路信号的质量是 保持。 基站包括:上行链路信号和干扰功率测量单元,其从接收到的信号测量期望的信号功率和干扰信号功率; SIR计算单元,从所需信号功率和干扰信号功率计算发射功率控制的接收质量; TPC指令生成单元,其根据将发送功率控制的接收质量与预定的目标接收质量进行比较的结果生成发送功率控制信息; 以及信号发送单元,其向用户装置发送包括发送功率控制信息的控制信号和指示上行链路信号的无线资源的资源信息,其中,SIR计算单元计算用于发送功率控制的接收质量, 根据基站的小区中的通信条件的计算方法。
    • 62. 发明授权
    • Base station, radio communication system, and radio communication method
    • 基站,无线电通信系统和无线电通信方法
    • US08417274B2
    • 2013-04-09
    • US13059827
    • 2009-08-19
    • Akihito HanakiYoshikazu Goto
    • Akihito HanakiYoshikazu Goto
    • H04B7/00
    • H04W76/18H04W28/22H04W72/04H04W72/12H04W88/08
    • A base station includes a scheduling unit 120a and a call admission control unit 120b. The scheduling unit 120a includes a first determination unit 126 to determine whether or not a transmission frequency of transmission rate control data for decreasing transmission rate for uplink data is equal to or higher than a transmission frequency threshold, a second determination unit 127 to determine whether or not a counted number value of rate lowering event occurrences exceeds a counted number threshold, the rate lowering event being an event that decreases transmission rate for uplink data, and a setting unit 128 to set admission permission information to information for limiting an admission of a new call in a case where the transmission frequency is equal to or higher than the predetermined frequency, and where the counted number value of rate lowering event occurrences exceeds the counted number threshold. The call admission control unit 120b determines whether or not to permit the admission of a new call based on the admission permission information set by the scheduling unit 120a.
    • 基站包括调度单元120a和呼叫许可控制单元120b。 调度单元120a包括:第一确定单元126,用于确定用于降低上行链路数据的传输速率的传输速率控制数据的传输频率是否等于或高于传输频率阈值;第二确定单元127, 不是速率降低事件发生的计数数值超过计数数阈值,速率降低事件是降低上行链路数据的传输速率的事件,以及设置单元128,用于将接收许可信息设置为限制新的 在发送频率等于或高于预定频率的情况下,以及所计算的速率降低事件发生次数超过所述计数数阈值的情况。 呼叫许可控制单元120b基于由调度单元120a设置的准入许可信息来确定是否允许接纳新呼叫。