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    • 2. 发明申请
    • METHOD FOR DECIDING ON A POTENTIAL LOAD BALANCING OPERATION IN A WIRELESS NETWORK AND NETWORK ELEMENT FOR A WIRELESS NETWORK
    • 在无线网络和无线网络网络元素中确定潜在负载均衡运算的方法
    • WO2012059310A1
    • 2012-05-10
    • PCT/EP2011/067988
    • 2011-10-14
    • ALCATEL LUCENTGERLACH, ChristianSTANZE, OliverCESAR, Bozo
    • GERLACH, ChristianSTANZE, OliverCESAR, Bozo
    • H04W36/16H04W28/08
    • H04W28/08H04W36/04H04W36/165H04W36/20H04W36/22H04W84/045
    • The present invention refers to a method (41) for a deciding on whether to perform a potential load balancing operation (57) in a wireless network (11) having a first cell with second cells embedded therein. In order to improve the overall performance of the network (11) a method (41) for deciding on a potential load balancing operation (57) in a wireless network (11) comprising a first base station (15) having a first cell (13) and at least one second base (21) station having a second cell, the first cell (13) and the second cell (21) at least partially over lapping each other, is suggested. This method (41) comprises evaluating (45) an impact of the potential load balancing operation (57) to an overall performance metric (M), said metric (M) characterizing the performance of the first cell (13) and the at least one second cell (19), and initiating the load balancing operation (57) if said evaluating indicates that the potential load balancing operation (57) would improve the performance according to the performance metric (M).
    • 本发明涉及一种用于决定是否在具有嵌入第二小区的第一小区的无线网络(11)中执行潜在的负载平衡操作(57)的方法(41)。 为了提高网络的整体性能(11),一种用于决定无线网络(11)中的潜在负载平衡操作(57)的方法(41),包括具有第一小区(13)的第一基站(15) )和具有第二单元的至少一个第二基座(21)站,至少部分地彼此研磨的第一单元(13)和第二单元(21)。 该方法(41)包括评估(45)潜在负载平衡操作(57)对总体性能度量(M)的影响,所述度量(M)表征第一小区(13)的性能和至少一个 如果所述评估指示潜在负载平衡操作(57)将根据性能度量(M)提高性能,则启动负载平衡操作(57)。
    • 3. 发明申请
    • METHOD FOR INTER-CELL INTERFERENCE COORDINATION IN A CELLULAR COMMUNICATION NETWORK, NETWORK ELEMENT OF A CELLULAR COMMUNICATION NETWORK, AND CELLULAR COMMUNICATION NETWORK
    • 蜂窝通信网络中的细胞间干扰协调的方法,细胞通信网络的网络单元和细胞通信网络
    • WO2012034799A1
    • 2012-03-22
    • PCT/EP2011/064013
    • 2011-08-15
    • ALCATEL LUCENTGERLACH, Christian GeorgSTANZE, OliverCESAR, Bozo
    • GERLACH, Christian GeorgSTANZE, OliverCESAR, Bozo
    • H04W72/04
    • H04W52/244H04W16/08H04W16/32H04W52/243H04W52/343H04W72/0486H04W72/082
    • A Method for inter-cell interference coordination in a cellular communication network (11) comprising multiple macro base stations (15) controlling at least one of multiple macro cells (13) of the cellular network (11) and at least one pico base station (21) controlling at least one pico cell (19) of the cellular network (11), said pico cell (19) being located at least partially within at least one macro cell (13) comprises - assigning (57) a first portion (B 1 ) of radio transmission resources (53) of the cellular network (11) and a second portion (B 2 ) of said transmission resources (53) to each of said multiple macro base stations (15) for transmitting a radio signal using the first portion (B 1 ) and the second portion (B 2 ) of said transmission resources (53) and - limiting a maximum transmission power of the radio signal to be transmitted using the second portion (B 2 ) to a transmit power limit (P red ) less than a maximum transmit power (PE) of the signal to be transmitted using the first portion (Β 1 ). In order to improve an overall throughput of the cellular network (11) and/or the spectral efficiency of transmission resources (53) of the cellular network (11), the method further comprises - assigning (59) the second portion (B 2 ) of said transmission resources (53) to the pico base station (21) for transmitting the radio signal using the second portion (B2) of said transmission resources.
    • 一种用于蜂窝通信网络(11)中的小区间干扰协调的方法,包括控制蜂窝网络(11)的多个宏小区(13)和至少一个微微基站(11)中的至少一个的多个宏基站(15) 21)控制蜂窝网络(11)的至少一个微微小区(19),所述微微小区(19)至少部分地位于至少一个宏小区(13)内,包括:分配(57)第一部分(B1 )和所述传输资源(53)的第二部分(B2)到所述多个宏基站(15)中的每一个,用于使用所述第一部分发送无线电信号( B1)和所述传输资源(53)的第二部分(B2),并且 - 将使用第二部分(B2)发送的无线电信号的最大发送功率限制为小于最大发送的发送功率限制(Pred) 使用冷杉传输的信号的功率(PE) t部分(θ1)。 为了提高蜂窝网络(11)的总吞吐量和/或蜂窝网络(11)的传输资源(53)的频谱效率,该方法还包括 - 分配(59)第二部分(B2) 所述传输资源(53)发送到微微基站(21),用于使用所述传输资源的第二部分(B2)发射无线电信号。
    • 4. 发明申请
    • INTERFERENCE MITIGATION ON A PHYSICAL DOWNLINK CONTROL CHANNEL
    • 物理下行控制通道的干扰减轻
    • WO2012045584A1
    • 2012-04-12
    • PCT/EP2011/066484
    • 2011-09-22
    • ALCATEL LUCENTCESAR, BozoSTANZE, OliverBRAUN, VolkerWEBER, Andreas
    • CESAR, BozoSTANZE, OliverBRAUN, VolkerWEBER, Andreas
    • H04W48/12H04W72/08
    • H04W72/082H04L5/0053H04W16/10H04W16/32H04W84/045
    • The invention relates to a method for mitigating interference on a physical downlink control channel (PDCCH) used by at least two cells (C1, C2), the method comprising: distributing a number of control channel elements of the Physical Downlink Control Channel (PDCCH) among the cells (C1, C2), and determining a set of cell identifiers (cell ID1, cell ID2) for the cells (C1, C2) based on a number of collisions of the control channel elements in a downlink sub-frame (SF) of the Physical Downlink Control Channel (PDCCH), a location of the control channel elements in the downlink sub-frame (SF) being dependent on the cell identifiers (cell ID1, cell ID2). The invention also relates to a computer program product and to an arrangement (BS1) for implementing the method, as well as to a heterogeneous network (1) comprising at least one such arrangement (BS1).
    • 本发明涉及一种用于减轻由至少两个小区(C1,C2)使用的物理下行链路控制信道(PDCCH)的干扰的方法,所述方法包括:分配物理下行链路控制信道(PDCCH)的多个控制信道单元, 在单元(C1,C2)中,基于下行链路子帧(SF)中的控制信道单元的冲突次数来确定小区(C1,C2)的小区标识符(小区ID1,小区ID2)的集合 ),物理下行链路控制信道(PDCCH)中的下行链路子帧(SF)中的控制信道单元的位置取决于小区标识符(小区ID1,小区ID2)。 本发明还涉及用于实现该方法的计算机程序产品和装置(BS1),以及包括至少一个这样的布置(BS1)的异构网络(1)。
    • 5. 发明申请
    • METHOD FOR SCHEDULING TERMINALS IN A RADIO COMMUNICATION NETWORK, AND CORRESPONDING BASE STATION
    • 在无线电通信网络中调度终端的方法和相应的基站
    • WO2010105878A1
    • 2010-09-23
    • PCT/EP2010/051632
    • 2010-02-10
    • ALCATEL LUCENTCESAR, BozoDOLL, MarkFETSCHER, RobertHALBAUER, HardySTANZE, Oliver
    • CESAR, BozoDOLL, MarkFETSCHER, RobertHALBAUER, HardySTANZE, Oliver
    • H04W72/12H04W92/20
    • H04W72/1205H04W72/046H04W72/12H04W72/1231H04W92/20
    • The present invention relates to a method for scheduling transmissions in a radio communication system comprising a plurality of base stations and a plurality of terminals, a base station being associated to a sector and transmitting/receiving data to/from terminals located in said sector. According to the present invention, the method comprises the steps of: - determining an area around each given sector, said area comprising a set of sectors, - allocating to said sectors in said area a scheduling priority chosen among at least two different scheduling priorities, - scheduling decisions in a sector having a lower scheduling priority than a sector belonging to said area depending on scheduling decisions made for said sector with higher scheduling priority, said scheduling decisions made in said sector with higher scheduling priority being reported by said base station associated to said sector with higher scheduling priority to said base station associated to said sector with lower scheduling priority.
    • 本发明涉及一种用于在包括多个基站和多个终端的无线电通信系统中调度传输的方法,基站与扇区相关联,并且向位于所述扇区中的终端发送/接收数据。 根据本发明,该方法包括以下步骤: - 确定每个给定扇区周围的区域,所述区域包括一组扇区, - 向所述区域中的所述扇区分配在至少两个不同调度优先级中选择的调度优先级, - 根据对具有较高调度优先级的所述扇区进行的调度决定,具有比属于所述区域的扇区更低的调度优先级的扇区中的调度决定,所述具有较高调度优先级的所述扇区中作出的所述调度决定由所述基站相关联地报告 所述扇区具有对具有较低调度优先级的所述扇区相关联的所述基站的较高调度优先级。
    • 6. 发明申请
    • MEASUREMENT IN RADIO COMMUNICATION SYSTEMS
    • 无线电通信系统的测量
    • WO2010023023A1
    • 2010-03-04
    • PCT/EP2009/058844
    • 2009-07-10
    • ALCATEL LUCENTDOLL, MarkHALBAUER, HardyCESAR, BozoCHEN, YejianFETSCHER, RobertGLOSS, BerndSTANZE, Oliver
    • DOLL, MarkHALBAUER, HardyCESAR, BozoCHEN, YejianFETSCHER, RobertGLOSS, BerndSTANZE, Oliver
    • H04W24/10H04B17/00H04W16/24
    • H04W24/10H04B17/24H04B17/26H04B17/309H04B17/382H04W24/06
    • The present invention relates to measurement in radio communication systems. In particular, the present invention relates to a sounding method in a cellular wireless communication system, the communication system itself and its components like base stations and mobile stations. The radio communication system (1) comprises at least one mobile station (2) and at least two base stations (3, 4). One of said base stations is a serving base station (3) for the mobile station (2) and the at least one further base station is a neighboring base station (4) of the serving base station (3). The serving base station (3) is adapted to generate a schedule for measurement signals and to transmit said schedule to the mobile station (2) and to the neighboring base station (4). The mobile station (2) is adapted to transmit measurement signals in accordance with said schedule to the serving base station (3) and to the neighboring base station (4). Furthermore, the neighboring base station (4) is adapted to calculate a mean channel state for the uplink channel from the mobile station (2) to itself (4) and to transmit said mean channel state to at least one further base station of the radio communication system (1), so that said base station can be provided with channel estimations for uplink channels between the mobile station (2) and all base stations within a certain area surrounding itself.
    • 本发明涉及无线电通信系统中的测量。 特别地,本发明涉及蜂窝无线通信系统中的探测方法,通信系统本身及其组件如基站和移动台。 无线电通信系统(1)包括至少一个移动台(2)和至少两个基站(3,4)。 所述基站之一是用于移动台(2)的服务基站(3),并且所述至少一个另外的基站是服务基站(3)的相邻基站(4)。 服务基站(3)适于产生用于测量信号的调度表,并将所述调度发送到移动台(2)和相邻基站(4)。 移动台(2)适于根据所述调度向服务基站(3)和相邻基站(4)发送测量信号。 此外,相邻基站(4)适于计算从移动台(2)到其自身(4)的上行链路信道的平均信道状态,并将所述平均信道状态发送到无线电的至少一个另外的基站 通信系统(1),使得所述基站可以为移动站(2)与其周围的某个区域内的所有基站之间的上行链路信道提供信道估计。
    • 9. 发明申请
    • METHOD FOR TRANSMITTING UPLINK DATA IN A COMMUNICATIONS SYSTEM
    • 在通信系统中发送上行数据的方法
    • WO2010076090A1
    • 2010-07-08
    • PCT/EP2009/065754
    • 2009-11-24
    • ALCATEL LUCENTCESAR, BozoSCHAEPPERLE, JoergOTTERBACH, Juergen
    • CESAR, BozoSCHAEPPERLE, JoergOTTERBACH, Juergen
    • H04B7/26H04W56/00
    • H04W56/0005H04W56/0045H04W56/006
    • The invention relates to a method for transmitting an uplink data signal (7), in particular comprising ranging data (R), from a mobile station (MS3) to a base station (BS) of a communication cell of a wireless communications system, in particular of a WiMAX system, the method comprising: synchronizing the transmission of the uplink data signal (7) with the transmission of a downlink sub-frame (4a) transmitted from the base station (BS) to the mobile station (MS3) by using a common signal (8), in particular a common trigger signal, of a global positioning system which is received by both the base station (BS) and the mobile station (MS1 to MS3). The method may further include: in the mobile station (MS1 to MS3), determining a propagation delay (RTD / 2) between the common trigger signa! (8) and the start of the reception of the downlink sub-frame (4a), and calculating a delay correction value (RTD) for delaying the transmission of the uplink data signal (7) based on the determined propagation delay (RTD / 2), The invention also relates to a computer program product for implementing the method, to a communications eel!, to a communications system, and to a TDD frame structure (4).
    • 本发明涉及一种用于从无线通信系统的通信小区的移动台(MS3)到基站(BS)发送上行链路数据信号(7)的方法,特别是包括测距数据(R) WiMAX系统的特征在于,所述方法包括:使用所述基站(BS)向所述移动台(MS3)发送的下行链路子帧(4a)的发送与上行链路数据信号(7)的发送进行同步 由基站(BS)和移动台(MS1至MS3)接收的全球定位系统的公共信号(8),特别是公共触发信号。 该方法还可以包括:在移动站(MS1至MS3)中,确定通用触发信号之间的传播延迟(RTD / 2) (8)和下行链路子帧(4a)的接收开始,并且基于所确定的传播延迟(RTD / 2)来计算用于延迟上行链路数据信号(7)的传输的延迟校正值(RTD) ),本发明还涉及一种用于实现该方法,一种通信到通信系统和一种TDD帧结构(4)的计算机程序产品。