CN102511157A - 用于蜂窝式、蓝牙、wifi和卫星***共存下的装置内干扰消除的方法 - Google Patents
用于蜂窝式、蓝牙、wifi和卫星***共存下的装置内干扰消除的方法 Download PDFInfo
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- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
- H04B2001/485—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter inhibiting unwanted transmission
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Abstract
提供一种共存干扰消除的方法。在无线网络中,无线装置与多重无线电一起配置在相同装置平台上。无线装置也具有与多重共置的无线电模块进行通信的控制实体。第一无线电模块从控制实体接收通知。上述通知通知与第一无线电模块共置的第二无线电模块的重要信令状态。接收通知后,第一无线电模块由于共存干扰停止上行链路传送并且向第一无线电模块的服务演进型节点B传送共存标识。在一段时间后,第一无线电模块接收第二通知,第二通知通知第二无线电模块的重要信令的完成状态。接收第二通知后,第一无线电模块恢复上行链路传送并且向演进型节点B传送共存恢复标识。
Description
相关申请的交叉引用
本申请依据35U.S.C.§119要求如下优先权:编号为61/373,142,申请日为2010年8月12日,名称为“Method to Trigger In-Device Coexistence Interference Mitigation in MobileCellular Systems”的美国临时申请;编号为61/373,151,申请日为2010年8月12日,名称为“Method of In-Device Interference Mitigation for Cellular,Bluetooth。WiFi and SatelliteSystems Coexistence”的美国临时申请;编号为61/374,046,申请日为2010年8月16日,名称为“Method of In-Device Interference Mitigation for Wireless Systems”的美国临时申请;编号为61/374,052,申请日为2010年8月16日,名称为“Method of In-Device InterferenceAvoidance for wireless Systems”的美国临时申请。上述申请标的在此一起作为参考。
技术领域
本发明揭示的实施例有关于无线网络通信,特别是指包含长期演进(Long TermEvolution,以下简称LTE)收发机、无线保真(WiFi)收发机、蓝牙(BT)收发机或全球导航卫星***(GNSS)接收机的多重无线电终端(Multi-Radio Terminal,以下简称MRT)。
背景技术
时至今日,无处不在的网络接入已基本实现。从网络基础设施方面来看,不同的网络属于不同的层级(例如,分布层、蜂窝层、热点层、个人网络层以及固定/线路层),上述层级向使用者提供不同级别的覆盖范围与连接。因为特定网络的覆盖范围不是在所有地点都可用,以及因为不同网络可为了不同服务进行优化,所以希望用户装置支持在相同装置平台上的多重无线电接入网络。随着无线通信的需求不断增大,无线通信装置例如蜂窝电话、个人数字助理(PDA)、智能手持装置、笔记本电脑、平板电脑等,正在越来越多地配置多重无线电收发机。多重无线电终端(MRT)可同时包含长期演进(LTE)无线电或先进长期演进(Long Term Evolution Advanced,LTE-A)无线电、无线局域网(Wireless LocalArea Net,WLAN)(例如WiFi)接入无线电、蓝牙(BT)无线电以及全球导航卫星***(GNSS)无线电。
由于频谱规定,不同的技术可以运作在重叠或者相邻的无线电频谱中。例如,LTE/LTE-A的时分双工(TDD)模式通常运作在2.3GHz-2.4GHz频段,WiFi通常运作在2.400GHz-2.4835GHz频段,以及BT通常运作在2.402GHz-2.480GHz频段。因此,共置于相同实体装置上的多重无线电同时进行运作可能承受显著的退化(degradation),上述显著的退化包含由于重叠或相邻的无线电频谱造成的多重无线电之间的显著的共存干扰。由于实体接近与无线电泄漏,当用于第一无线电收发机的数据传送与用于第二无线电收发机的数据接收在时域上相互重叠时,第二无线电收发机的数据接收可能承受来自于第一无线电收发机的数据传送的干扰。同样地,第二无线电收发机的数据传送可能承受第一无线电收发机的数据接收的干扰。
图1(现有技术)是描述LTE收发机与共置的WiFi/BT收发机以及GNSS接收机之间干扰的示意图。在图1的示例中,用户设备(User Equipment,UE)10是MRT,此MRT包含共置于相同装置平台上的LTE收发机11、GNSS接收机12以及BT/WiFi收发机13。LTE收发机11包含与天线#1耦接的LTE基频(baseband,以下简称BB)模块与LTE射频(RF)模块。GNSS接收机12包含与天线#2耦接的GNSS BB模块与GNSS RF模块。BT/WiFi收发机13包含与天线#3耦接的BT/WiFi BB模块与BT/WiFi RF模块。当LTE收发机11传送无线电信号时,GNSS接收机12与BT/WiFi收发机13皆要承受来自LTE的共存干扰。同样地,当BT/WiFi收发机13传送无线电信号时,GNSS接收机12与LTE收发机11皆要承受来自BT/WiFi的共存干扰。用户设备10如何通过不同的收发机同时与多重网络进行通信以及避免/减小共存干扰是一个具有挑战性的问题。
图2(先前技术)是描述来自两个共置射频收发机的无线电信号的信号功率示意图。在图2的示例中,收发机A与收发机B共置于相同装置平台(device platform)上(即装置内(In Device))。在频域中收发机A(例如,在ISM信道1(CH1)的WiFi TX)的传送(TX)信号非常接近收发机B的接收(RX)信号(例如,在频带40的LTE RX)。收发机A的不完善的TX滤波器与射频设计导致的频带外(Out Of Band,OOB)辐射与杂散辐射(spurious emission)对于收发机B是不可接受的。例如,即使在收发机A的TX信号滤波后(例如,在50dB抑制之后),收发机A的TX信号功率水平仍然比收发机B的RX信号的功率水平要高(例如在滤波前A的TX信号较B的RX信号高60dB)。
除了不完善的TX滤波器与射频设计,不完善的RX滤波器与射频设计也会引起不可接受的装置内共存干扰。例如,由于来自于另一装置内收发机的未完全过滤掉的传送功率,多个射频组件可能达到饱和,其结果是导致低噪声放大器(Low Noise Amplifier,以下简称LNA)饱和并且引起模拟数字转换器(Analog to Digital Converter,以下简称ADC)无法正常工作。不管TX信道与RX信道之间的频率间隔是多少,上述问题确实存在。这是因为特定水平的TX功率(例如,来自于谐波TX信号)可耦接入RX射频(RF)的前端并且使它的LNA饱和。如果接收机设计不考虑上述共存干扰,LNA完全不能适应并且直到共存干扰消除(例如经由关闭干扰源)前将一直保持饱和状态。
各种装置内共存(In-Device Coexistence,以下简称IDC)干扰消除的方法已经被提出。从LTE许可频带移除工业科学医疗用(Industrial Scientific and Medical,以下简称ISM)频带信号是一个可行的IDC解决方案。例如,装置内BT模块可利用自适应跳频(AdaptiveFrequency Hopping,以下简称AFH)技术来调整跳频范围。装置内WiFi模块可选择另一个WiFi接入点(Access Point,以下简称AP),其中,另一个WiFi接入点在远离LTE频带的另一频率信道中运作。然而,除非BT模块可成功完成初始连接建立,或者除非WiFi模块能从另外的WiFi AP中成功扫描到WiFi信标(beacon),这些解决方案才能正常运作。业内寻求其他解决方案用来保证BT/WiFi连接建立或者其他重要的信令(signaling)过程(procedure)。
发明内容
本发明提供一种共存干扰消除的方法。在无线网络中,无线装置与多重无线电一起配置于相同装置平台上。无线装置也具有与多重共置的无线电模块进行通信的控制实体。第一无线电模块从控制实体接收通知。上述通知通知与第一无线电模块共置的第二无线电模块的重要信令状态。接收通知后,第一无线电模块由于共存干扰停止上行链路传送。第一无线电模块不遵循经由服务基站授权的上行链路传送机会并且向上述基站传送共存标识。在一段时间后,第一无线电模块接收第二通知,第二通知通知第二无线电模块的重要信令的完成状态。接收第二通知后,第一无线电模块恢复上行链路传送并且向基站传送共存恢复标识。
在实施例中,第一无线电模块是长期演进无线电/全球互通微波接入无线电,并且第二无线电模块是蓝牙无线电/无线保真无线电。重要信令包含查询或寻呼请求/响应信号,上述信号在初始连接建立或者其他重要过程期间经由蓝牙无线电/无线保真无线电来传送与接收。长期演进无线电/全球互通微波接入无线电在获知重要信令的状态后在过程完成之前的一段时间自动停止上行链路传送。经由自动拒绝长期演进的上行链路传送机会,共存干扰被避免并且蓝牙无线电/无线保真无线电的初始连接建立或其他重要过程被保护。此外,因为基站接收通知长期演进拒绝行为的共存标识,所以可防止在长期演进拒绝的特定时间内基站误判或者触发不必要的功能。
其他实施方式与优势将在下面作详细描述。上述概要并非以界定本发明为目的。本发明由权利要求范围所界定。
附图说明
所附附图用来示意本发明的实施例,其中类似的标号指示类似的元件。
图1(现有技术)是描述LTE收发机与共置的WiFi/BT收发机以及GNSS接收机之间干扰的示意图。
图2(现有技术)是描述来自于两个共置于相同装置平台的射频收发机的无线电信号的信号功率示意图。
图3是依据新颖性方面描述在无线通信***中具有多重无线电收发机的用户设备。
图4是具有中央控制实体的无线装置的简略方框图。
图5是依据新颖性方面描述为了避免IDC干扰的UE自动解决方案的实施例。
图6是描述为避免IDC干扰的UE自动LTE拒绝的详细流程图。
图7是描述在BT初始连接建立后自适应跳频。
图8是描述在BT初始连接建立后的功率管理解决方案。
图9是依据新颖性方面对于UE为了避免IDC干扰的自动LTE拒绝方法流程图。
图10是依据新颖性方面对于eNB为了避免IDC干扰的自动LTE拒绝方法流程图。
具体实施方式
关于本发明的多个实施例将作为详细参考,附图是为描述本发明的实施例所作。
图3是依据新颖性方面描述在无线通信***30中具有多重无线电收发机的用户设备UE 31。无线通信***30包含用户设备UE 31、服务基站(例如,演进型节点B(evolvedNode B)eNB 32、无线保真接入点WiFi AP 33、蓝牙装置BT 34以及全球定位***卫星装置GPS 35。无线通信***30经由不同的无线电接入技术为UE 31提供各种网络接入服务。例如,eNB 32提供基于正交频分多重接入(OFDMA-based)的蜂窝式无线电网络(例如,第三代合作伙伴计划(3GPP)LTE或LTE-A***)接入,WiFi AP 33在WLAN接入中提供区域范围,BT 34提供短距离个人网络通信,以及GPS 35提供全球接入作为全球导航卫星***(GNSS)的一部分。对于接入各种无线电网络,UE 31是与多重无线电共存/共置于相同装置平台(即装置内)上的多重无线电终端(MRT)。
由于频谱规定,不同的无线电接入技术可在重叠或者相邻的无线电频谱中运作。如图3所示,UE 31与eNB 32通过无线电信号36进行通信,UE 31与WiFi AP 33通过无线电信号37通信,UE 31与BT 34通过无线电信号38通信,并且从GPS 35接收无线电信号39。无线电信号36属于3GPP频带40,无线电信号37属于WiFi信道之一,以及无线电信号38属于79个蓝牙信道之一。所有上述无线电信号的频率落入从2.3GHz至2.5GHz的频率范围,可导致装置彼此之间较大的装置内共存干扰(IDC)。在2.4GHz ISM无线电频带周围,上述问题更为严重。在新颖性方面中,UE 31实施自动LTE拒绝(denial)以保证BT/WiFi初始连接建立以及其他重要信令过程,这样装置内BT/WiFi无线电可适用各种IDC干扰消除解决方案。UE的自动LTE拒绝解决方案需要内部装置的协作,例如与UE内多重无线电进行通信的中央控制实体。
图4是具有中央控制实体以方便UE自动LTE拒绝的无线装置41的简略方框图。无线装置41包含存储器44、具有中央控制实体46的处理器45、LTE/WiMAX(LTE/全球微波互联接入)收发机47、WiFi收发机48、BT收发机49以及总线105。在图8的例子中,中央控制实体46是实体上安置于处理器45内的逻辑实体,处理器45也用于装置41的装置应用过程。可替换地,中央控制实体46是安置于处理器上的逻辑实体,其中,处理器实体上位于LTE/WiMAX收发机、WiFi收发机或BT收发机中。中央控制实体46连接至装置41的各种收发机,并且经由总线105与各种收发机进行通信。例如,BT收发机49传送BT信号信息与/或BT流量(traffic)与调度(scheduling)信息至中央控制实体46(例如,虚线101所示)。基于已接收的BT信息,中央控制实体46确定控制信息并且传送控制信息至LTE/WiMAX收发机47(例如,虚线102所示)。在一个实施例中,BT收发机49与对等(peer)的BT装置43实施初始连接建立(例如,虚线103所示)。LTE/WiMAX收发机47通过控制实体46获知BT运作并且实施自动LTE拒绝来保证初始连接建立过程。LTE/WiMAX收发机47进一步与其服务基站eNB 42进行通信以指示一段时间内Tx的不可用状态(例如,如虚线104所示),从而防止eNB的误判。
图5是描述在无线网络50中为了避免IDC干扰的UE自动LTE拒绝解决方案的实施例。无线网络50包含基站eNB 51、BT装置52以及用户设备UE 53。UE 53包含LTE/WiMAX无线电模块(例如收发机)54、BT无线电模块(例如收发机)55以及控制实体56。当LTE/WiMAX收发机54传送的LTE/WiMAX信号靠近ISM频带时,OOB辐射可导致对BT收发机55的不可接受的干扰水平,其中,上述BT收发机位于同一装置平台上。在BT初始连接建立期间,BT无线电模块55将发送/接收查询(inquiry)或寻呼(paging)信号(例如重要(critical)信号)至对等BT装置52。上述信号将通过所有RF信道以跳频方式被传送。共存干扰可导致共置的BT收发机55不能接收查询/寻呼信号或来自对等BT装置52的响应,特别是当上述信号通过接近ISM频带边缘的RF信道进行传送时。
如图5下半部分所示,无线电信号57是重要信号(例如,查询或寻呼信号),此重要信号是从BT装置52传送,并且为了初始连接建立由BT无线电模块55接收。同时,经由LTE/WiMAX无线电模块54,无线电信号58在非常接近ISM频带边缘的频率位置进行传送。在初始连接建立阶段BT信号跳频至ISM频带边缘是不可避免的。当BT信号跳频至ISM频带边缘时,重要BT信号57会受LTE/WiMAX信号58的干扰(如区域59所示),上述干扰可导致初始连接建立失败。如果BT不能完成初始连接建立,那么BT不能实施其他的干扰避免机制,例如进一步的交涉(negotiation)以减小跳频范围,其中,跳频范围用于移动BT信号远离LTE/WiMAX信号(例如,经由存在的AFH机制)。因此,除非BT能成功地完成初始连接建立,否则整个干扰避免机制将不能正常工作。
在新颖性方面,UE 53实施自动LTE拒绝以保证BT(或WiFi、GNSS)的初始连接建立过程或其他重要信令。为了方便UE自动LTE拒绝,配置于UE 53中的控制实体56能获知BT/WiFi/GNSS运作状态,以及如果BT/WiFi/GNSS正在实施初始连接建立过程或其他重要信令,控制实体56指示LTE收发机停止传送信号。如图5上半部所示,首先,控制实体获知BT无线电模块即将实施初始连接建立(例如,查询或寻呼过程)(步骤1)。然后,控制实体将信息通知LTE/WiMAX无线电模块并且指示LTE/WiMAX在一段时间内不传送信号(步骤2)。基于来自于控制实体的指示,LTE/WiMAX无线电模块不再遵循(follow)由eNB 51授权(grant)的上行链路(uplink,以下简称UL)传送机会以及在一段时间内停止上行链路传送(例如,LTE传送机会的UE自动拒绝)(步骤3)。最后,LTE/WiMAX无线电模块也传送共存标识至eNB 51以通知eNB 51上述UE将故意忽略上行链路传送以防止eNB 51误判(例如,混合式自动重传请求(HARQ)失败)(步骤4)。参考图5的下半部分,由于LTE拒绝机制,BT Rx信号57将不受LTE/WiMAX Tx信号58的干扰(例如,信号58是虚线所示)。因此,在一段时间内来自于LTE/WiMAX的共存干扰将得以避免从而帮助BT完成初始连接建立。
图6是描述在无线网络60中为了避免IDC干扰的UE自动LTE拒绝解决方案的更详细流程图。无线网络60包含eNB 61、BT装置62以及UE 63。UE 63是多重无线电终端,其包含LTE/WiMAX无线电64、BT无线电65以及控制实体66。在步骤601中,BT无线电65将自身的初始连接建立或其他的重要过程的状态通知控制实体66。在步骤602中,控制实体66转发(forward)上述通知至LTE/WiMAX无线电64。控制实体66也可指示LTE/WiMAX无线电64在一段时间内不传送信号。基于已接收的通知或指示,UE 63停止上行链路传送(UL TX)并且忽略由eNB 61授权的上行链路传送机会(步骤604)。可选择地,在步骤603中UE 63也向eNB 61发送共存标识。此共存标识通知eNB 61,UE 63由于共存干扰即将在一段时间内忽略上行链路传送。作为上述共存标识的响应,eNB 61在异常状态中配置某些上行链路测量功能。上行链路测量功能可包含HARQ功能与上行链路信号质量测量功能。例如,eNB 61冻结或重设HARQ重传记数器或其他相关的记数器(步骤605)。在另一个例子中,eNB 61忽略由UE 63传送的上行链路信号质量测量结果,并且不触发基于上行链路信号质量测量结果的其他功能(例如,共存干扰消除方案)(步骤606)。配置那些上行链路测量功能至异常状态可在被UE 63拒绝LTE的特定时间内防止eNB 61误判或触发不必要的功能。
对于BT无线电65,在步骤601发送通知后,在步骤607中BT无线电65与其对等BT装置62开始初始连接建立过程。在初始连接建立期间,BT装置62可发送查询或寻呼信号,同时BT无线电65响应查询或寻呼信号。在成功完成初始连接建立之后,在步骤608中,BT 65与BT 62可继续实施AFH交涉。在AFH过程期间,对等BT装置进一步与BT无线电65交涉以减小跳频范围,这样BT信号进一步远离LTE/WiMAX信号以避免共存干扰。经由具有来自于LTE/WiMAX一侧的保护,现有的BT初始连接建立与AFH过程可以不加修改地直接被重用以避免来自BT一侧的IDC干扰。
在初始连接建立与AFH过程完成后,BT无线电65向控制实体66通知上述初始连接建立或其他重要过程的完成状态(步骤609)。在步骤610中,控制实体66转发上述通知至LTE/WiMAX无线电64。基于已接收的通知,在步骤612中UE 63恢复上行链路传送。可选择地,在步骤611中UE 63也向eNB 61发送共存恢复标识。此共存恢复标识通知eNB61,UE 63即将恢复正常的上行链路传送。作为共存恢复标识的响应,eNB 61配置某些上行链路测量功能重回正常状态。例如,在步骤613中eNB 61恢复HARQ重传记数器或其他相关的记数器。在另一个例子中,在步骤614中eNB 61恢复上行链路信号质量测量功能。在恢复上行链路信号质量测量功能之后,eNB 61可触发干扰消除机制,上述干扰消除机制基于从UE 63报告的上行链路信号测量结果。
图7是描述在BT初始连接建立后自适应跳频的一个例子。当在连接模式中时,BT接收机承受的源自其他装置内无线技术的干扰将引起吞吐量减小(throughput reduction)或者链路(link)失败。为了消除IDC干扰,BT装置可通过自适应跳频过程在BT无线电与其他装置内无线电之间创建更大的保护频带。一般来说,如果BT装置承受的干扰越强烈,那么受限制或者拒绝数据传送的频率信道越多。另一方面,如果承受的干扰越弱,那么受限制或者拒绝数据传送的频率信道越少。
为了满足目前的蓝牙技术规范,跳频集(set)对于Tx与Rx必须具有相同的带宽。因此在对于Tx或Rx最坏的情况下,仍可通过跳频带宽减小的干扰消除机制,达成共存干扰消除的目标。然而,因为在Tx与Rx之间的共存干扰很可能不相同,所以如果对于Tx与Rx的跳频带宽可设置为不同值以最大化分集(diversity)增益将是非常有益的。如图7所示,在新颖性方面,如果装置内BT接收机承受的干扰越强烈,那么从Rx的跳频范围中将排除越多的频率信道。另一方面,如果装置内BT传送机向其他装置内无线电引入越弱的干扰,从Tx的跳频范围中将排除越少的频率信道。
为实现AFH过程,信道分类可被用作BT装置的指示以排除与其他装置内无线电应用频率信道接近的频率信道。例如,对于特定信道设置信道分类至“坏(bad)”对于主蓝牙装置是有用的指示,该指示表明特定信道应从AFH列表中排除。另外,可创建新信道分类以指示IDC干扰。例如,可创建名为“丑(ugly)”的信道分类以指示特定信道具有不可接受的IDC干扰。基于上述信息,特定信道应该从AFH列表中移除以消除IDC干扰。
图8是描述在BT初始连接建立后的用于IDC干扰消除的功率管理解决方案。除了应用AFH过程,BT装置也可实施功率控制方法以进一步消除IDC干扰。一般地,如果BT装置向其他装置内无线电引入干扰,上述解决方案是降低BT传送机在装置内接收机附近频率上的功率水平。上述功率水平的降低基于比例因子,此比例因子依赖几个因素。首先,比例因子取决于装置内无线电之间的频率间距。第二,比例因子取决于传送失败的次数。第三,比例因子取决于装置内无线电间通信的干扰测量结果。如图8所示,对于越靠近ISM频带边缘的频率信道,功率水平降低的越多。另一方面,随着频率位置远离ISM频带边缘,功率水平的降低越少。另外,功率水平即可如平坦的减小(如图示81所示)也可如特定频率范围内的斜坡减小(如图示82所示)。特定频率范围与功率降低的斜率可经由UE设计中的参数确定,也可经由装置内无线电分享的动态干扰测量来确定。
图9是依据新颖性方面,对于UE为了避免IDC干扰的LTE传送机会的UE自动拒绝方法流程图。在无线网络中,无线装置是与多重无线电装配于同一装置平台上的多重无线电终端。无线装置也具有控制实体,其中,控制实体用于与多重无线电模块通信以及协调。第一无线电模块从控制实体接收通知(步骤91)。上述通知通知第二无线电模块的重要信令状态(status),其中,第二无线电模块与第一无线电模块共置。例如,重要信令可为在初始连接建立过程中传送的查询或寻呼信令信息。接收到通知后,第一无线电模块在一段时间内停止上行链路传送(步骤92),并且不遵循任何其服务基站授权的上行链路传送机会。可选择地,第一无线电模块向eNB传送共存标识。在第二无线电模块完成初始连接建立或其他重要过程后,第一无线电模块接收第二通知(步骤93)。第二通知通知第二无线电模块重要信令的完成状态。接到第二通知后,第一无线电模块恢复上行链路传送(步骤94)。或者,第一无线电模块向eNB传送共存恢复标识。
图10是依据新颖性方面,对于基站为了避免IDC干扰的LTE传送机会的UE自动拒绝方法流程图。在无线网络中,无线装置为LTE/WiMAX无线电与其他ISM频段无线电装配于同一装置平台上的多重无线电终端。由基站(eNB)服务的无线装置用于蜂窝式无线电网络接入。上述服务基站从无线装置的LTE/WiMAX无线电模块接收共存标识(步骤111)。共存标识通知基站,无线装置将停止上行链路LTE/WiMAX传送并且由于来自ISM频带无线电的干扰将忽略基站授权的上行链路传送机会。作为共存标识的响应,基站配置上行链路测量功能至异常状态(步骤112)。例如,基站可冻结或重设HARQ重传记数器或者停止UL最小化路测(Minimization Of Driving Test,MDT)记录(log)。基站也可忽略上行链路信号质量测量结果并且停止触发基于测量结果的其他功能。
接着,基站从无线装置的LTE/WiMAX无线电模块接收共存恢复标识(步骤113)。共存恢复标识通知基站,无线装置将恢复上行链路LTE/WiMAX传送。作为共存恢复标识的响应,基站配置上行链路测量功能重回正常状态(步骤114)。例如,基站恢复HARQ重传记数器并且恢复触发基于上行链路信号质量测量结果的其他干扰消除功能。
在另一个实施例中,UE不传送共存恢复标识,并且基站不接收共存恢复标识。相反地,在一段特定的时间延迟后基站简单地将上行链路测量功能设置回正常状态。从UE传送的共存标识包含特定的时间延迟。特定的时间延迟可为估计值。例如,如果初始BT连接建立过程通常需要大约500ms,那么基站假设UE停止大约500ms的上行链路传送以保护初始BT连接建立免受共存干扰影响。在基站接收共存标识后,在未接收到共存恢复标识的500ms后基站将上行链路测量功能设置回正常状态。
虽然为了说明目的描述本发明特定的实施例,然而本发明并不局限于此。例如,虽然以LTE/LTE-A或者WiMAX手机通信***作为例子来描述本发明,但本发明可同样地应用于其他手机通信***,例如时分同步码分多址(TS-SCDMA)***。因此,各种对描述实施例特征的修改、调整以及组合都被看作未超出本发明的权利要求。
Claims (24)
1.一种方法,包含:
(a)经由第一无线电模块接收来自于控制实体的通知,该控制实体通知与该第一无线电模块共置的第二无线电模块的重要信令状态;以及
(b)在一段时间内停止上行链路传送以及忽略经由基站授权的上行链路传送机会。
2.如权利要求1所述的方法,其特征在于进一步包含:
(c)将来自该第一无线电模块的共存标识传送至该基站。
3.如权利要求2所述的方法,其特征在于:该共存标识经由无线电资源控制信令信息或媒体访问控制控制组件进行传送。
4.如权利要求1所述的方法,其特征在于进一步包含:接收来自该控制实体的第二通知,其中该控制实体通知该第二无线电模块的该重要信令的完成状态;以及恢复上行链路传送。
5.如权利要求4所述的方法,其特征在于进一步包含:将来自该第一无线电模块的共存恢复标识传送至该基站。
6.如权利要求1所述的方法,其特征在于:该第二无线电模块是蓝牙模块,以及该重要信令是初始连接建立过程的一部分。
7.如权利要求1所述的方法,其特征在于:该第二无线电模块是蓝牙模块,以及该重要信令是自适应跳频建立过程的一部分。
8.如权利要求1所述的方法,其特征在于:该第二无线电模块基于频率间距调整传送功率水平,该频率间距为从该第二无线电模块的频率信道至该第一无线电模块的频率信道的频率间距。
9.如权利要求1所述的方法,其特征在于:该第二无线电模块基于传送失败的次数,调整传送功率水平。
10.一种方法,包含:
(a)经由基站接收来自无线装置的共存标识,其中该共存标识通知该无线装置忽略由该基站授权的上行链路传送机会并且停止上行链路传送;以及
(b)作为该共存标识的响应,配置上行链路测量功能至异常状态。
11.如权利要求10所述的方法,进一步包含:
(c)接收来自该无线装置的共存恢复标识,其中该基站配置该上行链路测量功能回到正常状态。
12.如权利要求10所述的方法,其特征在于:该上行链路测量功能包含混合式自动重传请求功能,以及该基站停止或重设步骤(b)中的混合式自动重传请求重传记数器。
13.如权利要求10所述的方法,其特征在于:该上行链路测量功能包含上行链路信号测量功能,以及该基站忽略步骤(b)中的上行链路测量结果。
14.如权利要求10所述的方法,其特征在于:该上行链路测量功能包含最小化路测功能,以及该基站停止记录步骤(b)中的最小化路测的上行链路测量结果。
15.如权利要求10所述的方法,其特征在于:该共存标识经由无线电资源控制信令信息或媒体访问控制控制组件进行接收。
16.一种无线装置,包含:
第一无线电模块;
第二无线电模块,其与该第一无线电模块共置;以及
控制实体,其中该控制实体用于发送通知至该第一无线电模块,其中该通知通知该第一无线电模块该第二无线电模块的重要信令状态,以及其中该第一无线电模块忽略由基站授权的上行链路传送机会,以及作为该通知的响应停止上行链路传送。
17.如权利要求16所述的无线装置,其特征在于:该第一无线电模块用于传送共存标识至该基站。
18.如权利要求17所述的无线装置,其特征在于:该共存标识经由无线电资源控制信令信息或媒体访问控制控制组件进行传送。
19.如权利要求16所述的无线装置,其特征在于:该控制实体发送第二通知至该第一无线电模块,通知该第二无线电模块的该重要信令的完成状态,以及其中作为该第二通知的响应,该第一无线电模块恢复上行链路传送。
20.如权利要求19所述的无线装置,其特征在于:该第一无线电模块传送共存恢复标识至该基站。
21.如权利要求16所述的无线装置,其特征在于:该第二无线电模块是蓝牙模块,以及该重要信令是初始连接建立过程的一部分。
22.如权利要求16所述的无线装置,其特征在于:该第二无线电模块是蓝牙模块,以及该重要信令是自适应跳频信令过程的一部分。
23.如权利要求16所述的无线装置,其特征在于:该第二无线电模块调整传送功率水平,该传送功率水平基于从该第二无线电模块的频率信道至该第一无线电模块的频率信道的频率间距。
24.如权利要求16所述的无线装置,其特征在于:该第二无线电模块基于传送失败的次数,调整传送功率水平。
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US9467236B2 (en) | 2016-10-11 |
EP2481237A4 (en) | 2014-11-19 |
US8737924B2 (en) | 2014-05-27 |
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WO2012019564A1 (en) | 2012-02-16 |
TWI483561B (zh) | 2015-05-01 |
US9356707B2 (en) | 2016-05-31 |
EP2481237A1 (en) | 2012-08-01 |
CN102511157B (zh) | 2014-12-03 |
EP2481204B1 (en) | 2017-10-04 |
EP2481204A1 (en) | 2012-08-01 |
JP6082768B2 (ja) | 2017-02-15 |
TW201212560A (en) | 2012-03-16 |
US9246603B2 (en) | 2016-01-26 |
US20120040620A1 (en) | 2012-02-16 |
JP2013538499A (ja) | 2013-10-10 |
TWI459734B (zh) | 2014-11-01 |
CN102484805B (zh) | 2014-10-01 |
JP2015164334A (ja) | 2015-09-10 |
JP2013539619A (ja) | 2013-10-24 |
CN102484805A (zh) | 2012-05-30 |
EP2481237B1 (en) | 2018-10-03 |
WO2012019561A1 (en) | 2012-02-16 |
EP2481204A4 (en) | 2014-11-19 |
US20160099744A1 (en) | 2016-04-07 |
US20140235175A1 (en) | 2014-08-21 |
US20120040715A1 (en) | 2012-02-16 |
JP5642280B2 (ja) | 2014-12-17 |
TW201212559A (en) | 2012-03-16 |
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