CN103392301B - 用于在无线通信系统中测量信号的方法和设备 - Google Patents
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Abstract
提供一种用于在无线通信系统中比较服务小区和相邻小区的测量结果的信号测量方法和设备。该方法包括:接收包括指示要在服务小区的测量中限制的特定子帧的第一样式信息的资源限制样式;测量处于第一频带的相邻小区;如果满足预定条件,则应用第一样式信息来测量服务小区,而如果不满足该预定条件,则不应用第一样式信息来测量服务小区;以及通过将从服务小区的测量获得的服务小区测量结果与从相邻小区的测量获得的相邻小区测量结果进行比较来执行评估。
Description
技术领域
本发明涉及无线通信系统。更具体地,本发明涉及当不同类型的无线通信模块在设备中共存时用于测量干扰以便避免干扰以及用于测量相邻基站的信号强度的方法。
背景技术
近年来,智能电话机的快速普及导致了对数据的需求增加。因此,数据传输量已经快速增加。
为了满足增长的数据需求,已经将无线通信系统配置为向除了现有的负责宽覆盖的宏基站之外的微微(pico)基站或微微(femto)基站分配负载。结果,基站之间的空间变得更窄。此外,随着基站之间的距离减小,基站之间的覆盖重叠变得严重。在这样的环境下,需要用于更有利地在小区之间测量和报告信号的方法。
此外,随着智能电话机的普及,对于在智能电话机中嵌入的与无线局域网(WLAN)连接性、蓝牙连接性、和全球定位系统(GPS)连接性关联的功能的需求和使用也增加了。该趋势导致几种通信技术(例如,诸如长期演进(LTE)或通用移动电信系统(UMTS)的蜂窝网络技术、WLAN、蓝牙、全球导航卫星系统(GNSS)或GPS)在单个设备中共存。当同时使用这些不同的通信技术时,各种技术之间可能发生干扰。第3代伙伴计划(3GPP)中正在以设备内共存(IDC)为名义讨论各种技术之间的干扰的问题。
同时,LTE/UMTS通信技术使用各种频带,而诸如蓝牙或WLAN的其他技术使用4400-2483.5MHz的工业、科学和医疗(ISM)频带。具体地,在LTE/UMTS使用的各种频带当中,频带4(例如,4300-2400MHz)以及频带7的上行链路(例如,4500-2570MHz)邻近于由蓝牙或WLAN使用的ISM频带。因此,如果各种技术同时使用邻近的频带用于通信,则一种通信技术中的发送信号可能常常成为其他技术中的接收信号。不幸地,由使用邻近频带的另一种通信技术发送的信号的这样的接收带来严重的干扰问题。
因此,需要用于监视在相邻基站之间或在设备中发生的干扰的相互影响的准确的测量。
给出以上信息作为背景信息仅仅用于帮助理解本公开。并未确定或断言以上任何内容是否可能适用于作为本发明的现有技术。
发明内容
技术问题
本发明的各方面在于至少解决上述问题和/或缺点,并且至少提供下述优点。因此,本发明的一方面在于提供当不同类型的通信模块在设备中共存时用于测量干扰的方法和设备。
本发明的另一方面在于提供在其中宏基站与微微/毫微微基站共存的环境下用于无失真地测量相邻基站的信号的方法。
解决方案
根据本发明的一方面,提供一种用于比较服务小区和相邻小区的测量结果的方法。该方法包括:接收包括指示要在服务小区的测量中限制的特定子帧的第一样式信息的资源限制样式;测量处于第一频带的相邻小区;如果满足预定条件,则应用第一样式信息来测量服务小区,而如果不满足该预定条件,则不应用第一样式信息来测量服务小区;以及通过将从服务小区的测量获得的服务小区测量结果与从相邻小区的测量获得的相邻小区测量结果进行比较来执行评估。
根据本发明的另一方面,提供一种用于比较服务小区和相邻小区的测量结果的设备。该设备包括:收发器,被配置为接收包括指示要在服务小区的测量中限制的特定子帧的第一样式信息的资源限制样式;以及控制单元,被配置为测量处于第一频带的相邻小区,如果满足预定条件,则应用第一样式信息来测量服务小区,如果不满足该预定条件,则不应用第一样式信息来测量服务小区,并且通过将从服务小区的测量获得的服务小区测量结果与从相邻小区的测量获得的相邻小区测量结果进行比较来执行评估。
根据本发明的另一方面,提供一种用于监视干扰信号的方法。该方法包括:确定是否发生设备内干扰或者是否预期发生设备内干扰;如果确定发生设备内干扰,或者如果确定预期发生设备内干扰,则监视服务质量(QoS);将监视的QoS与第一预定阈值比较;以及根据第一测量方法和第二测量方法之一来测量信号强度和干扰,以使得如果监视的QoS大于或等于第一预定阈值,则根据第一测量方法来测量信号强度和干扰,而如果监视的QoS小于第一预定阈值,则根据第二测量方法来测量信号强度和干扰。
有益效果
本发明的各方面可以有利地测量设备内或相邻小区之间的干扰的影响,从而允许流畅的通信。
通过结合附图公开本发明的示范性实施例的以下详细描述,本发明的其他方面、优点、和显著特征将对本领域技术人员变得显而易见。
附图说明
通过结合附图的以下描述,本发明的特定示范性实施例的以上和其他方面、特征、和优点将变得更加清楚,其中:
图1是示出根据本发明的示范性实施例的长期演进(LTE)系统的示意性视图;
图2是示出根据本发明的示范性实施例的LTE系统中的无线协议结构的视图;
图3是示出根据本发明的示范性实施例的用于测量干扰信号的方法的流程图;
图4是示出根据本发明的另一示范性实施例的用于测量干扰信号的方法的流程图;
图5是示出根据本发明的示范性实施例的用于测量服务小区和相邻小区的信号强度的方法的流程图;以及
图6是示出根据本发明的示范性实施例的设备的框图。
全部附图中,应当注意,相似的引用数字用于描绘相同或相似的元件、特征、和结构。
具体实施方式
提供参照附图的以下描述以帮助全面理解如权利要求及其等价物限定的本发明的示范性实施例。它包括用于帮助理解的各种具体细节,但是这些细节将被认为仅仅是示范性的。因此,本领域普通技术人员将认识到,可以对这里描述的实施例进行各种改变和修改而不脱离本发明的范围。此外,为了清楚和简明,可以省略公知功能和结构的描述。
下面的描述和权利要求中使用的术语和词不限于字面含义,而是仅仅由发明人用来使本发明的理解能够清楚和一致。因此,本领域技术人员显然可知,提供本发明的示范性实施例的以下描述仅仅用于说明目的,而不是用于限制如所附权利要求及其等价物限定的本发明的目的。
应当理解,单数形式“一”、“一个”、和“该”包括复数指代,除非上下文另外明确指出。从而,例如,对“一个组件表面”的指代包括对一个或多个这样的表面的指代。
虽然这里示范性地使用长期演进(LTE)系统来描述本发明的示范性实施例,但是也可以将任何其他蜂窝通信系统应用于本发明。下文中,除了LTE之外,导致干扰的任何通信技术(例如,无线局域网(WLAN)、蓝牙、全球定位系统(GPS)等)将被称为干扰通信技术。另外,可用于LTE的用户终端或设备将被称为用户设备(UE),并且可用于LTE的基站将被称为演进节点B(eNB)。
图1是示出根据本发明的示范性实施例的LTE系统的示意性视图。
参照图1,LTE系统的无线接入网络包括eNB105、110、115和120、移动管理实体(MME)125、以及服务网关(S-GW)130。UE135可以通过eNB105-120以及S-GW130接入外部网络。
作为示例,eNB105-120对应于通用移动电信系统(UMTS)系统的现有的节点B。eNB经由无线信道连接至UE135,并且执行比现有的节点B执行的更复杂的任务。在LTE系统中,通过共享信道来提供包括诸如网络电话(VoIP)的实时服务的所有用户流量。因此,需要通过收集状态信息(诸如,例如UE缓冲器状态、可用发送功率状态、信道状态等)来执行调度的一些装置。根据本发明的示范性实施例,将通过收集状态信息来调度的该任务分配给eNB105-120。作为示例,单个eNB通常控制多个小区。例如,为了实现100Mbps的传输速率,LTE系统在20MHz带宽中使用正交频分复用(OFDM)作为无线接入技术。另外,使用根据UE的信道状态确定调制方案和信道编码率的自适应调制和编码(AMC)技术。S-GW130是提供数据承载的设备。例如,S-GW130在MME125的控制下创建或移除数据承载。MME125是能够执行包括UE的移动性管理的各种控制功能的设备。可以将MME126连接至多个eNB。
图2是示出根据本发明的示范性实施例的LTE系统中的无线协议结构的视图。
参照图2,根据示范性实施例,使用LTE系统的无线协议通信的UE和eNB分别包括分组数据会聚协议(PDCP)层205或240、无线链路控制(RLC)层210或235、媒体访问控制(MAC)层215和230、以及物理(PHY)层220或225。PDCP层205和240执行因特网协议(IP)首标的压缩和解压缩。RLC层210和235将PDCP分组数据单元(PDU)重配置为合适尺寸,并且执行自动重复请求(ARQ)操作等。MAC层215和230连接至在单个UE中配置的若干层设备,执行将RLC PDU复用为MAC PDU,和/或执行从MAC PDU解复用RLC PDU。物理层220和225通过信道编码和调制上层数据来创建OFDM符号,并且向无线信道发送OFDM符号,或者解调并信道解码通过无线信道接收的OFDM符号,并且向上层发送数据。
如果不同类型的模块在UE中共存,则根据现有技术的测量和报告方法对于涉及干扰的问题可能不是好的解决方案。不同的模块间歇地导致干扰,并且在干扰期间可能发生诸如数据传输失败的问题。然而,因为根据现有技术的测量方法以长时间补偿这样的干扰,将不会正确地反映干扰的影响。正常地,用户使用的每个服务具有与服务质量(QoS)关联的要求,包括指示分组的传输失败的几率的误块率(BLER)。换言之,用户使用的每个服务具有与关于成功发送多少数据的指示关联的QoS。
图3是示出根据本发明的示范性实施例的用于测量干扰信号的方法的流程图。
根据本发明的示范性实施例,在步骤301,发生设备内干扰发生(即,当UE中的不同类型的模块开始在与LTE系统中使用的服务频率邻近的任何频率开始传输时),或者预期发生设备内干扰。在步骤301如果发生设备内干扰或者如果预期发生设备内干扰,则过程前进到步骤303。在步骤303,UE开始监视物理下行链路控制信道(PDCCH)的BLER或失败率。
在步骤305,UE确定BLER是否比给定的或预定义的阈值差,或者BLER是否比通过无线资源控制(RRC)层中使用的消息从eNB接收的另一阈值差。作为示例,如果服务是正常VoIP,则阈值可以是10-2。
如果BLER比阈值差,则UE在步骤307单独测量受干扰子帧。例如,UE测量受干扰子帧的信号强度,并且根据滤波系数补偿测量结果。
然后UE在步骤309将已补偿的测量结果与特定阈值比较。eNB可以通过测量配置信息向UE提供这样的特定阈值。如果测量结果比特定阈值差,则UE在步骤311向eNB发送RRC层的测量报告(MR)消息。MR可以包括从受干扰子帧收集的测量结果。依赖于MR消息,eNB可以执行将UE切换到另一频率。MR消息可以进一步包括另一预定频率的测量结果、在系统信息中指示的另一频率、和/或其他无线接入技术(RAT)的测量结果。如果在步骤309中测量结果比特定阈值好,则过程返回到步骤305。
如果BLER比阈值好,或者如果没有设备内干扰,则UE在步骤313执行通常的测量方法。例如,不限制子帧,UE测量和补偿信号强度和干扰。然后UE在步骤315将已补偿的测量结果与特定阈值比较。eNB可以通过测量配置信息向UE提供这样的特定阈值。如果补偿的信号强度比特定阈值差,则UE在步骤317向eNB发送包括从不受限子帧收集的测量结果的RRC层的MR消息。
UE可以从BLER确定设备内干扰的严重程度,并且如果严重,则UE可以将它报告给eNB以便请求适当的行为。例如,UE识别从eNB接收的、或在标准中定义的BLER,然后从预期的设备内干扰的时间开始测量LTE系统的BLER。之后,如果BLER变得比给定的阈值差,则UE创建需要的RRC控制消息,并且UE向eNB发送RRC控制消息。作为示例,因为语音服务对QoS恶化非常敏感并且正常地要求10e-2的BLER,可以将BLER固定为10e-2。
RRC控制消息可以包括以下信息:不同模块的类型和属性,在激活不同的模块之后开始测量的BLER的测量值;辅助信息;受干扰的频率;无法服务的(unserviceable)频率;以及在不可能移至其他频率时用于避免干扰的优选样式(例如,偏移、时段、位图等)。
当接收控制消息时,eNB参考BLER的测量值来确定设备内干扰的严重性并且采取必要的行动。例如,eNB可以执行切换至其他频带。
图4是示出根据本发明的另一示范性实施例的用于测量干扰信号的方法的流程图。
根据本发明的示范性实施例,当发生设备内干扰时,UE测量小区干扰信号(CRS)。根据参考信号接收功率(RRSP)或参考信号接收质量(RSRQ),UE确定是否发生干扰。作为示例,RRSP和/或RSRQ对应于参照图3描述的BLER。
根据本发明的示范性实施例,在步骤401,发生或预期发生设备内干扰。例如,当UE中不同类型的模块开始在与LTE中使用的服务频率邻近的任何频率、或者在与LTE中使用的服务频率邻近或几乎邻近的任何频带开始传输时,可能发生或可能预期发生设备内干扰。如果发生或预期发生设备内干扰,则UE在步骤403开始单独测量受干扰子帧。作为示例,UE仅仅测量受干扰子帧,并且利用滤波系数补偿测量结果。
然后UE在步骤405将已补偿的测量结果与特定阈值比较。该特定阈值是RSRP或RSRQ。作为示例,RSRP和RSRQ可以对应于参照图3的上述BLER。RSRP和/或RSRQ可以在标准中预定或者可以通过RRC层的消息从eNB接收。
如果受干扰子帧的测量结果比特定阈值差,则UE在步骤407使用受干扰子帧的测量结果以便评估是否将要触发测量报告。然后UE在步骤409将已补偿的测量结果与特定阈值比较。作为示例,eNB可以通过测量配置信息向UE提供这样的特定阈值。如果测量结果比特定阈值差,则UE在步骤411向eNB发送包括从受干扰子帧收集的测量结果的RRC层的MR消息。依赖于MR消息,eNB可以执行将UE切换到另一频率。MR消息可以进一步包括预定的、或在系统信息中指示的另一频率的测量结果、和/或其他RAT的测量结果。
如果受干扰子帧的测量结果不比特定阈值差,则UE在步骤413使用没有任何限制的所有子帧的测量结果以便评估是否触发测量报告。然后UE在步骤415将已补偿的测量结果与特定阈值比较。eNB可以通过测量配置信息向UE提供这样的特定阈值。如果补偿的信号强度比特定阈值差,则UE在步骤417向eNB发送包括从不受限子帧收集的测量结果的RRC层的MR消息。
根据本发明的示范性实施例,即使UE中不存在可能导致干扰的不同模块,在宏基站与微微/毫微微基站共存的环境下也可能需要测量从相邻小区接收的信号。换言之,即使UE不经历来自包括在UE内的不同模块的干扰,UE也可能经历基于从相邻小区接收的信号的干扰,尤其是如果通信系统包括共存的宏基站和微基站(例如,微微基站和/或毫微微基站)。
图5是示出根据本发明的示范性实施例的用于测量服务小区和相邻小区的信号强度的方法的流程图。
根据本发明的示范性实施例,在测量服务小区信号的过程期间,依赖于相邻小区的信号使用的是与服务小区使用的相同的频率还是不同的频率,可以选择性地应用第一样式信息。具体地,当测量与服务小区相同的频率(即,频率内)时,UE应用第一样式信息用于服务小区测量。然而,当测量与服务小区不同的频率(即,频率间)时,UE不应用第一样式信息用于服务小区测量。UE从eNB接收在测量服务小区的信号期间不应该被测量的子帧的第一样式信息。UE还从eNB接收在测量相邻小区的信号期间不应该被测量的子帧的第二样式信息。在与服务小区相同的频率中应用第一样式信息和第二样式信息两者。如果在不同的频率中测量信号强度,则将第一样式信息应用于服务小区可以导致好的测量结果,因为可以从仅仅少受干扰的子帧的信号获得测量结果。另外,通过不向不同频率中的相邻小区应用第二样式信息,测量结果可能较差,因为没有限制地测量所有子帧。这样不正确的测量结果可能导致不必要的切换或乒乓现象(即,在两个eNB之间的重复切换)。因此,在频率内测量中应用第一样式信息来服务小区测量,并且在频率间测量中不应用第一样式信息来服务小区测量。
根据本发明的示范性实施例,eNB在步骤501向UE用信号通知资源限制样式。资源限制样式可以被划分为第一样式信息和第二样式信息。将第一样式信息应用于服务小区测量,并且将第二样式信息应用于相邻小区测量。如果UE被切换至微微基站并且位于小区边界,则可以进行这样的资源限制样式的信号通知。该情况下,如果在UE中不配置资源限制样式,则由于来自宏基站的严重的干扰,UE于网络之间的通信可能断开连接。由失败的信号导致的该断开连接将被称为无线链路失败(RLF)。在接收到资源限制样式之后,UE开始应用资源限制样式以便监视服务小区的无线链路。
然后UE在步骤503确定eNB是否配置测量。配置的测量包括测量对象、报告配置、测量身份、配置数量、测量间隔等。下面提供每项的详细描述。
测量对象对应于将要由UE测量的对象。
●在频率内和频率间测量的情况下,测量对象可以对应于单个演进通用地面无线接入(E-UTRA)载波频率(可以指定用于每个频率的小区的偏移等)。
●在系统间(RAT间)通用地面无线接入(UTRA)测量的情况下,测量对象可以对应于单个UTRA载波频率中的一组小区。
●在RAT间通用移动电信系统(GSM)增强数据速率GSM演进(EDGE)无线接入网络(GERAN)测量的情况下,测量对象可以对应于单个GERAN载波频率中的一组小区。
●在RAT间码分多址2000(CDMA2000)测量的情况下,测量对象可以对应于单个高速率分组数据(HRPD)或单载波无线传输技术(1xRTT)载波频率中的一组小区。
报告配置与用于报告条件和格式的配置对应。
测量身份对应于与测量对象关联并且用于映射若干测量对象和单个报告配置、或者用于映射单个测量对象和若干报告配置的身份。
数量配置与为每个RAT类型配置并且定义与数量有关的滤波值等的配置对应。
测量间隙与将要用于由UE进行的测量的定义的间隙对应,使得在这些间间隙中不存在针对上行链路/下行链路传输的调度。
在UE中配置测量用于各种目的,诸如eNB支持UE移动性或者eNB的负载平衡。
如果配置了测量,则UE在步骤505确定配置的测量是频率内测量还是频率间测量。如果测量对象是用于服务频率,并且测量配置是事件A1、A2、A3、A5或A6,则UE执行下一步骤。事件A1、A2、A3、A4、A5和A6对应如下。
●事件A1:在其中服务小区变得好于阈值的情况下。
●事件A2:在其中服务小区变得差于阈值的情况下。
●事件A3:在其中相邻小区通过偏移变得好于服务小区(或主小区(PCell))的情况下。
●事件A4:在其中相邻小区变得好于阈值的情况下。
●事件A5:在其中服务小区(或PCell)变得差于第一阈值,并且相邻小区变得好于第二阈值的情况下。
●事件A6:在其中相邻小区通过偏移变得好于服务小区的次小区(SCell)的情况下。
如果测量频率与服务小区的频率相同(频率内),并且如果测量配置对应于事件A1、A2、A3、A5或A6(用于考虑到服务小区测量结果来评估测量结果的配置),则UE在步骤507通过应用资源限制样式来测量服务小区。具体地,这意味着仅针对在资源限制样式中显示的子帧来测量在LTE标准36.331中定义的MS值。MS是服务小区的测量结果,该结果不包括偏移。直到接收到额外的指令为止,UE连续地根据资源限制样式来测量服务小区。
如果测量频率不同于服务小区的频率(频率间),并且如果测量配置对应于事件A1、A2、A3、A5或A6(用于考虑到服务小区测量结果来评估测量结果的配置),或者RAT间,则UE在步骤509检查事件B1或B2。事件B1和B2对应如下。
●事件B1:在其中相邻RAT间(inter-RAT)变得好于阈值的情况下。
●事件B2:在其中服务小区(或PCell)变得差于第一阈值,并且相邻RAT间变得好于第二阈值的情况下。
如果满足以上条件,则UE执行步骤511。否则,UE返回步骤503。
在步骤511,UE不应用资源限制样式而测量服务小区。具体地,不管在资源限制样式中显示的MS值如何,都测量所有子帧。
根据本发明的示范性实施例,UE通过将第一样式应用于测量来测量服务小区,以及不将第一样式应用于测量来测量服务小区。在评估任何测量结果时,如果要求将服务小区的测量结果与具有服务频率的相邻小区的测量结果比较,则UE使用基于第一样式的测量结果,而如果要求将服务小区的测量结果与具有其他频率的相邻小区的测量结果比较,则UE使用不基于第一样式的测量结果。
即,UE从eNB接收第一样式信息,当满足给定的规则时将样式信息应用于服务小区测量。以下是给定的规则的示例。
在服务小区和用于任何选择的频率的相邻小区的测量结果之间的比较中,当所选择的频率满足以下条件之一时,服务小区测量使用基于第一样式的测量结果。
●在以选择的频率实时地(lively)数据发送/接收的情况下,即,在比预定速率更好的数据发送速率和/或接收速率或通信速率(例如,每单位时间的发送/接收量)的情况下,在服务小区中实时地进行正常的数据发送和接收。因为UE在服务小区中配置或重配置初始的RRC连接,所以可以使用下面的条件。
●在选择的频率处配置或重配置初始的RRC连接的情况下:如果向相邻小区测量应用第二样式,这意味着从相邻小区测量中排除来自相邻小区的干扰。因此,期望将第一样式应用于服务小区测量,从而可以考虑以下规则。
●在选择的频率处将第二样式应用于相邻小区测量的情况下。换言之,在下面的情况下不将第一样式应用于服务小区测量。
在服务小区和用于任何选择的频率的相邻小区的测量结果之间的比较中,当所选择的频率满足以下条件之一时,服务小区测量使用不基于第一样式的测量结果。
●在其中所选择的频率不是服务小区频率(没有频带的重叠)的情况下。
●在其中所选择的频率不是配置或重配置初始连接的频率的情况下。
●在所选择的频率处不将第二样式应用于相邻小区测量的情况下。
第一样式信息和第二样式信息两者是具有特定长度的位图。例如,在频分双工(FDD)系统的情况下,位图的长度是40位,而在时分双工(TDD)系统的情况下,位图的长度是20位、60位、或70位。位图的第一位与其中单频网络(SFN)模式x是0的无线帧的第一子帧对应,其中通过将10划分成位图的长度来获得x。位0意味着在测量中不考虑有关的子帧,并且位1意味着在测量中考虑有关的子帧。因为在TDD系统的情况下,基本上对于向前子帧执行测量,所以UE不考虑用于向后子帧的位值。即,在TDD系统的情况下,UE确定与向前子帧对应的位,然后确定在测量中是否考虑所述位。
图6是示出根据本发明的示范性实施例的设备的框图。
参照图6,根据本发明的示范性实施例,UE可以包括收发器601、复用器/解复用器(mux/demux)603、上层单元605、控制消息处理器607、控制单元609、干扰通信技术检测器611、以及资源限制样式管理器619。UE还可以包括干扰通信技术设备613。
UE向和从上层设备605发送和接收数据,并且还通过控制消息处理器607发送/接收控制消息。在与数据发送对应的操作中,设备通过复用器/解复用器603复用数据,然后在控制单元609的控制下通过收发器601发送数据以便发送复用的数据。在与数据接收对应的操作中,设备通过收发器601接收信号,通过复用器/解复用器603解复用所接收的信号,然后在控制单元609的控制下根据每个消息信息向上层设备605或者向控制消息处理器607发送信号。
当干扰通信技术设备613直接向干扰通信技术检测器611通知电源接通或者开始操作时,当干扰通信技术检测器611已经知道干扰通信技术的存在时,或者当控制单元609向干扰通信技术检测器611通知从干扰通信技术设备613发送的向外信号615作为强干扰信号617流到收发器中时,设备检测输入信号的BLER、PDCCH错误率、RSRP、或RSRQ。如果BLER等变得差于上述阈值,则设备仅测量受干扰子帧的信号,并且发送测量报告。
另外,当在宏基站与微微/毫微微基站共存的环境下,通过控制消息处理器607从资源限制样式管理器619接收到关于资源限制样式的信息时,设备在测量被配置用于频率内的情况下,以及在事件A1、A2、A3、A5或A6的情况下,根据资源限制样式执行对子帧的测量。替换地,在其中配置测量用于频率间的情况下,以及在事件A1、A2、A3、A5或A6的情况下(或者在RAT间中的B1或B2的情况下),设备对于不向其应用关于资源限制样式的信息的子帧执行测量。
本发明的示范性实施例提供在当前或潜在的干扰环境下也可以允许更有效的测量的方法。因为向基站提供这样的测量的报告以执行切换,将可以避免与干扰通信技术的干扰,并且实现顺畅的通信。
工业实用性
虽然已经参照其特定示范性实施例示出和描述本发明,但是本领域技术人员将理解,可以在其中进行形式和细节上的各种改变而不脱离由所附权利要求及其等同内容限定的本发明的精神和范围。
Claims (14)
1.一种用于通过终端执行测量的方法,该方法包括:
接收包括指示要在服务小区的测量中限制的时间中的特定子帧的第一样式信息和指示要在相邻小区的测量中限制的时间中的特定子帧的第二样式信息的资源限制样式;以及
如果满足预定条件,则应用第一样式信息来测量服务小区,而如果不满足该预定条件,则不应用第一样式信息来测量服务小区,
其中,在与服务小区相同的频带中应用第一样式信息和第二样式信息。
2.如权利要求1所述的方法,进一步包括:
测量处于第一频带的相邻小区,
其中测量服务小区的步骤进一步包括:
如果服务小区的频带至少部分与第一频带重叠,则应用第一样式信息来测量服务小区,而如果服务小区的频带不与第一频带重叠,则不应用第一样式信息来测量服务小区。
3.如权利要求2所述的方法,其中测量服务小区的步骤包括:
如果在第一频带中数据发送/接收速率等于或大于预定值,则应用第一样式信息来测量服务小区,而如果该数据发送/接收速率低于该预定值,则不应用第一样式信息来测量服务小区。
4.如权利要求2所述的方法,其中测量服务小区的步骤包括:
如果最后的无线资源控制(RRC)配置或重配置的频带对应于第一频带,则应用第一样式信息来测量服务小区,而如果最后的RRC配置或重配置的频带不对应于第一频带,则不应用第一样式信息来测量服务小区。
5.如权利要求2所述的方法,其中测量服务小区的步骤进一步包括:
如果第二样式信息被应用于第一频带中的相邻小区测量,则应用第一样式信息来测量服务小区,而如果第二样式信息不被应用于第一频带中的相邻小区测量,则不应用第一样式信息来测量服务小区。
6.如权利要求1所述的方法,其中测量服务小区的步骤进一步包括:
如果相邻小区的测量是频率内小区测量,则应用第一样式信息来测量服务小区,而如果相邻小区测量是频率间小区测量,则不应用第一样式信息来测量服务小区。
7.如权利要求2所述的方法,其中测量服务小区的步骤进一步包括:
如果服务小区的频带与第一频带相同,则应用第一样式信息来测量服务小区,而如果服务小区的频带与第一频带不相同,则不应用第一样式信息来测量服务小区。
8.一种用于执行测量的设备,该设备包括:
收发器,被配置为接收包括指示要在服务小区的测量中限制的时间中的特定子帧的第一样式信息和指示要在相邻小区的测量中限制的时间中的特定子帧的第二样式信息的资源限制样式;以及
控制单元,被配置为,如果满足预定条件,则应用第一样式信息来测量服务小区,如果不满足该预定条件,则不应用第一样式信息来测量服务小区,
其中,在与服务小区相同的频带中应用第一样式信息和第二样式信息。
9.如权利要求8所述的设备,其中该控制单元被进一步配置为测量处于第一频带的相邻小区,如果服务小区的频带至少部分与第一频带重叠,则应用第一样式信息来测量服务小区,而如果服务小区的频带不与第一频带重叠,则不应用第一样式信息来测量服务小区。
10.如权利要求9所述的设备,其中该控制单元被进一步配置为,如果在第一频带中的数据发送/接收速率等于或大于预定值,则应用第一样式信息来测量服务小区,而如果该数据发送/接收速率低于该预定值,则不应用第一样式信息来测量服务小区。
11.如权利要求9所述的设备,其中该控制单元被进一步配置为,如果最后的无线资源控制(RRC)配置或重配置的频带对应于第一频带,则应用第一样式信息来测量服务小区,而如果最后的RRC配置或重配置的频带不对应于第一频带,则不应用第一样式信息来测量服务小区。
12.如权利要求9所述的设备,其中控制单元被进一步配置为,如果第二样式信息被应用于第一频带中的相邻小区测量,则应用第一样式信息来测量服务小区,而如果第二样式信息不被应用于第一频带中的相邻小区测量,则不应用第一样式信息来测量服务小区。
13.如权利要求8所述的设备,其中该控制单元被进一步配置为,如果相邻小区的测量是频率内小区测量,则应用第一样式信息来测量服务小区,而如果相邻小区测量是频率间小区测量,则不应用第一样式信息来测量服务小区。
14.如权利要求9所述的设备,其中该控制单元被进一步配置为,如果服务小区的频带与第一频带相同,则应用第一样式信息来测量服务小区,而如果服务小区的频带与第一频带不相同,则不应用第一样式信息来测量服务小区。
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CN101803244A (zh) * | 2007-09-18 | 2010-08-11 | Lg电子株式会社 | 在无线通信系统中执行小区重新选择过程的方法 |
CN101971662A (zh) * | 2008-01-30 | 2011-02-09 | 爱立信电话股份有限公司 | 用于tdd系统中移动终端的配置测量时隙 |
CN101965027A (zh) * | 2009-07-23 | 2011-02-02 | 中兴通讯股份有限公司 | 一种小区同步切换的方法和系统 |
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