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    • 3. 发明申请
    • CONTROLLING TRANSMIT POWER OF PICOCELL BASE UNITS
    • 控制PICOCELL基站单元的发送功率
    • WO2007139680A2
    • 2007-12-06
    • PCT/US2007/011366
    • 2007-05-11
    • LUCENT TECHNOLOGIES INC.CLAUSSEN, HolgerHO, Lester, Tse WeeKARIMI, Hamid, RezaSAMUEL, Louis, Gwyn
    • CLAUSSEN, HolgerHO, Lester, Tse WeeKARIMI, Hamid, RezaSAMUEL, Louis, Gwyn
    • H04Q7/36
    • H04W52/244H04W16/32H04W52/143
    • A transmit power control technique within a wireless communication system includes adjusting a transmit power used by a picocell base station unit based upon a position of the picocell within a macrocell. When a picocell base station unit is located relatively close to a macrocell base station or center of the macrocell, the transmit power of the picocell base station unit is increased to avoid downlink interference from the macrocell base station for mobile stations communicating within the picocell. When a picocell base station unit is located relatively close to an edge of a macrocell, the transmit power of the picocell base station is decreased to avoid interference caused by the picocell base station unit for mobile stations communicating within the macrocell in the vicinity of the picocell. In a disclosed example determined downlink interference levels provide an indication of the position of the picocell within the macrocell and provide an indication of how to automatically adjust the transmit power of the picocell base station unit.
    • 无线通信系统内的发射功率控制技术包括:基于微蜂窝小区中的位置来调整微微小区基站单元使用的发射功率。 当微微小区基站单元相对靠近宏小区基站或宏小区的中心位置时,增加微微小区基站单元的发射功率,以避免来自宏小区基站的用于在微微小区内通信的移动站的下行干扰。 当微微小区基站单元位于相对靠近宏小区的边缘时,微微小区基站的发射功率减小,以避免由微微小区基站单元对微微小区附近的宏小区内通信的移动站造成的干扰 。 在公开的示例中,确定的下行链路干扰电平提供微蜂窝在宏小区内的位置的指示,并提供如何自动调整微微小区基站单元的发射功率的指示。
    • 5. 发明申请
    • METHOD OF ADMINISTERING CALL HANDOVER BETWEEN CELLS IN A COMMUNICATIONS SYSTEM
    • 在通信系统中管理蜂窝间呼叫切换的方法
    • WO2008033259A2
    • 2008-03-20
    • PCT/US2007/019486
    • 2007-09-07
    • LUCENT TECHNOLOGIES INC.CLAUSSEN, HolgerHO, Lester, Tse WeeSAMUEL, Louis, Gwyn
    • CLAUSSEN, HolgerHO, Lester, Tse WeeSAMUEL, Louis, Gwyn
    • H04Q7/38
    • H04W36/24H04B17/318H04B17/382H04W36/365H04W84/045
    • A communications system (1) includes an underlay network (2), which a cellular communications network implemented using UMTS technology, and an overlay home cell (8) set up by a user using a base station router (7), or other similar access device. A call may be transferred from the home cell (8) to a cell of the underlay network (2) and vice versa. If these operate at different tariffs, the user may find that handover between them results in extra charges for an on-going call. The user terminal (10) is enabled so as to allow the user to determine if handover should be performed, and thus retain control of costs incurred in making a call. The user terminal (10) may give an alert if there is a risk of imminent handover, allowing the user to take avoiding action if desired, or the user may configure preferences to control under what conditions handover may be performed.
    • 通信系统(1)包括使用UMTS技术实现的蜂窝通信网络的底层网络(2)和由用户使用基站路由器(8)建立的覆盖家庭小区(8) (7)或其他类似的访问设备。 呼叫可以从家庭小区(8)传送到底层网络(2)的小区,反之亦然。 如果这些操作的费用不同,用户可能会发现它们之间的切换会导致正在进行的呼叫的额外费用。 用户终端(10)被启用以允许用户确定是否应该执行切换,并因此保持对拨打电话所产生的成本的控制。 如果存在即将发生的切换的风险,则用户终端(10)可以发出警报,如果需要,允许用户采取避免动作,或者用户可以配置偏好以控制在什么情况下可以执行切换。