CN104769869A - 接收机能力的通知 - Google Patents
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- CN104769869A CN104769869A CN201380057626.XA CN201380057626A CN104769869A CN 104769869 A CN104769869 A CN 104769869A CN 201380057626 A CN201380057626 A CN 201380057626A CN 104769869 A CN104769869 A CN 104769869A
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Abstract
本发明公开了促进至少一个节点基站(eNB)与至少一个用户设备(UE)之间的波束成形的用户设备、装置以及方法,其包括:该至少一个用户设备在从用户设备到该至少一个节点基站的消息中包括可由用户设备用于接收来自eNB的返回消息的接收机的类型的指示。本发明还公开了一种在eNB中促进波束成形的方法,以及布置成执行所描述的方法的UE和eNB。
Description
相关申请的交叉引用
本申请要求2012年12月3日提交的名称为“ADVANCEDWIRELESS COMMUNICATIONS SYSTEMS AND TECHNIQUES(先进无线通信系统和技术)”的美国临时专利申请号61/732851的优先权,其全部公开内容通过引用包含在此。
技术领域
这里所描述的实施方式大体涉及通信领域,特别涉及无线通信系统中接收机能力的通知。
背景技术
随着多媒体通信对于移动电子设备已经变得越来越流行,移动电子设备用户日益期望可靠的高数据率传输。由于多用户多输入多输出(MU-MIMO)结构使用多个空间层来使用给定的频率-时间资源传递多数据流,因此MU-MIMO能够用来满足更高数据率和更好的改进的无线覆盖范围的要求,而不增加平均传输功率或频率带宽。
MU-MIMO是使用各个具有彼此无线通信的多个天线的发送机和接收机的无线电通信技术。在发送机和接收机使用多个天线允许应用空间维度来改进无线链路的性能和吞吐量。MIMO通信能够用开环或闭环技术执行。使用开环MIMO技术的发送机在信号发送到接收机之前具有最少的信道条件知识(knowledge)。相反,闭环MIMO能够将来自发送机的信道相关的信息反馈到接收机以允许发送机在发送信号之前修改发送信号以更好地匹配信道状态条件。在使用闭环MIMO的系统中从接收机传递到发送机的反馈信息的量能够非常大。在闭环MIMO系统中提高反馈信道的传输质量的能力能够是有用的。
附图说明
这里所描述的实施方式以例子的方式而非以限制的方式在相同的附图标记指代相似的元素附图的图中示出:
图1示意性地示出根据各种实施方式的无线通信网络;
图2示意性地示出根据各种实施方式的多用户(MU)-迫零操作以使得多个预编码器彼此正交的例子;
图3示意性地示出根据各种实施方式的对无线传输的预编码的使用;
图4示意性地示出根据各种实施方式的无线通信网络中的协作传输技术;
图5示意性地示出根据各种实施方式的网络提供消息传送;
图6是示出根据各种实施方式的UE中的方法的流程图;
图7是示出根据各种实施方式的eNB中的方法的流程图;
图8是示出根据各种实施方式的多个eNB中的协作方法的流程图;
图9示意性地描述了根据各种实施方式的示例系统;
图10示意性地描述了根据各种实施方式的示例移动设备。
具体实施方式
本公开的示例性的实施方式包括但不限于用于无线通信网络中的用户设备接收机能力的通知的方法、系统、以及装置。
示例性的实施方式的各个方面将使用那些本领域技术人员通常采用的术语来描述,以将他们的工作的实质传达给其他的本领域技术人员。但是,对于本领域技术人员将显而易见的是,某些可选的实施方式可以使用所描述的实施方式的一个或更多规定的部分来实践。为了解释的目的,给出特定的数字、材料、以及配置,从而提供示例性的实施方式的透彻理解。但是,对本领域技术人员将显而易见的,可以在没有特定细节的情况下实践可选的实施方式。在其他例子中,省略或简化众所周知的特征,从而不模糊示例性的实施方式。
此外,各种操作可以按照对理解示例性的实施方式最有用的方式依次描述为多个离散的操作;但是,描述的特定顺序不应该解释为用于暗示这些操作一定是依赖顺序的。特别地,这些操作不需要按给出的顺序执行。
措词“在一个实施方式中”重复使用。措词总体上不指代相同的实施方式;但是,其可能指代相同的实施方式。术语“包括(comprising)”、“具有(having)”、以及“包括(including)”为同义的,除非上下文指示的其它情况。措词“A/B”意指“A或B”。措词“A和/或B”意指“(A)、(B)、(A和B)”。措词“A、B以及C中的至少一个”意指“(A)、(B)、(C)、(A和B)、(A和C)、(B和C)或(A、B以及C)”。措词“(A)B”意指“(B)或(A B)”,即,A是可选的。
尽管这里已经说明和描述了特定实施方式,但是,那些本领域普通技术人员将意识到大量可选的和/或等价的实现可以替代所示和描述的特定实施方式,而不脱离本公开的实施方式的范围。本申请旨在覆盖这里讨论的实施方式的任意适应或变形。因此,显然旨在将本公开的实施方式仅由权利要求及其等价物限定。
如这里使用的,术语“模块”可以指代以下、以下中的一部分或包括以下:专用集成电路(ASIC)、电子电路、执行一个或更多个软件或固件指令和/或程序的处理器(共享的、专用的、或组)和/或存储器(共享的、专用的、或组)、组合逻辑电路、和/或提供所描述的功能性的其它合适的组件。
MU-MIMO(多用户多输入多输出)是使用多个独立无线电终端以便增强单个终端的通信能力的一种MIMO的形式。MU-MIMO允许终端同时在相同的频带中在终端与多个用户或更多个设备之间发送或接收信号。MU-MIMO能够通过使用额外的信号处理能力利用多个用户作为空间分布的传输资源。MU-MIMO能够增强存在多个用户或连接的MIMO系统。
图1示意性地示出根据各种实施方式的无线通信网络100,在该例子中,MU-MIMO系统带有用于无线电链路的多个发送机和接收机天线配置。这些类型的系统能够通过将数据划分成窄带子载波或音调来使用用于发送数据的多载波通信。多载波技术的例子为多个子载波彼此正交的正交频分复用(OFDM)。无线通信网络100可以是第三代合作伙伴计划(3GPP)长期演进(LTE)或长期演进-先进(LTE-A)网络诸如演进通用移动通信系统(UMTS)陆地无线接入网(E-UTRAN)。无线通信网络100可以包括基站例如增强节点基站(eNB)130,并且配置成与一个或更多个移动设备或终端例如第一用户设备(UE)A 110和/或第二UE B 120无线通信。尽管参照LTE无线通信网络描述了示例实施方式,但是某些实施方式可以与其它类型的无线通信/接入网一起使用。
更具体而言,eNB 130可以包括经由一个或更多个天线139从UEA 110和/或UE B 120经由无线信道接收无线信号的接收机模块132。eNB 130还可以包括经由该一个或更多个天线139将信号经由无线信道发送到UE A 110和/或UE B 120的发送机模块136。eNB 130还可以包括耦合在接收机模块132与发送机模块136之间并且配置成对通过信号通信的信息进行编码和译码的处理器模块134。各个无线信道可以是MIMO信道。当使用多载波通信时,发送天线各个可以具有与其相关联的对应的多载波发送机/接收机。MIMO系统可以包括用于发送机和接收机两者的两个或更多个发送机的使用。MU-MIMO系统还可以包括各个可以使用仅单个天线或者多个天线的多个收发机。
UE A 110可以包括接收机模块112、发送机模块116、处理器模块114、以及一个或更多个合适的天线119。接收机模块112和发送机模块116可以耦合于一个或更多个合适的天线119以将无线信号发送到eNB 130和从eNB 130接收无线信号。同样地,UE B 120可以包括接收机模块122、发送机模块126、处理器模块124、以及一个或更多个合适的天线129。接收机模块122和发送机模块126可以耦合于一个或更多个合适的天线129以将无线信号发送到eNB 130和从eNB 130接收无线信号。如这里使用的,UE A 110和UE B 120在能力上可以是一致的,因而它们的术语可以互换地使用。但是,在某些实施方式中,UE A 110可以具有与UE B 120不同的能力,例如UE A 110可以具有与UE B 120不同的接收机类型。在这样的情况下,如将对技术人员将显而易见的,当在描述的任意给定点所述使用依赖于能力时,术语不可以互换地使用。处理器模块114/124可以耦合于接收机模块112/122和发送机模块116/126并且配置成对在UE A 110/UE B 120与eNB 130之间通信的信号中所发送的信息进行译码和编码。
多用户MIMO传输是推动蜂窝网络中的频谱效率的关键技术。在UE专用参考信号(UERS)对下行信道例如物理下行共享信道(PDSCH)进行译码的帮助下,其可以将改进的任意预编码矢量应用于UERS和PDSCH。最流行的MU-MIMO预编码矢量计算方法之一是多用户(MU)-迫零(zero forcing)。其能够用下述等式(1)数学描述:
(1)
其中pi是由UE i推荐的预编码器,pj是由UE j推荐的预编码器,I是单位矩阵,γj是UE j的信道质量信息,是pj的变换式,wi是用于UE i的迫零预编码器。
MU-迫零操作诸如以上提及的MU-迫零操作设法使wi正交于pj,其中i≠j,使得UE间干扰能够最小化。更直接明了的说明能够在图2中看到,其中示出了用于第一UE(例如UE A 110)的后调整预编码矢量w1、以及用于第二UE(例如UE B 120)的调整预编码矢量w2可以不再分别匹配用于第一和第二UE的推荐的预编码矢量(即p1和p2)。
能够看到,在发送机侧迫零操作(例如第一UE发送机侧迫零操作201和第二UE发送机侧迫零操作202)之后,UE间干扰已经最小化。以下,发送机侧可以被称为传输点。但是,作为最小化UE间干扰的代价,由于发送波束不再匹配UE推荐的波束,因此到达UE的信号能量被折中。如果信号能量降级少于UE间干扰抑制,则UE可能经受信号与干扰加噪声比(SINR)增益。否则,UE可能经受SINR损失。
对于未察觉干扰的接收机,诸如最小均方误差(MMSE)接收机,具有这样的接收机的UE可能不会减轻任何同信道干扰。因而,如果信号能量损失不显著但是干扰抑制显著,则与使用UE推荐的预编码器来直接执行MU-MIMO传输相比时,执行MU迫零操作可以有大的SINR增益。
另一方面,对于察觉干扰的接收机,诸如最小均方误差和干扰拒绝合并(MMSE-IRC)接收机,带有例如2个接收机(Rx)天线并且仅接收下行信道例如PDSCH的一层的UE,则UE能够抑制干扰的一个主要层。在这样的示例性情形中,迫零操作可以抑制能够由接收机减轻的UE间干扰;因此,信号能量降级。在这样的情况下,在迫零操作之后,可能没有任何全局SINR增益。取而代之,发送侧(例如,eNB130)可以使用UE推荐波束来发送MU-MIMO数据并且将UE间干扰的减轻留给UE中的接收机。
若我们仍然使用图2中的例子,如果两个UE具有MMSE-IRC接收机,则发送侧(例如,eNB 130)应该发送p1和p2来替代w1和w2,因为这能够导致全局更好的SINR。
在另一个例子中,如果第一UE(例如,UE A 110)实现MMSE接收机而第二UE(例如,UE B 120)实现MMSE-IRC接收机,则发送侧(例如,eNB 130)应该发送p1和w2。在该情况下,由于第一UE因其接收机的限制而不能减轻来自第二UE的UE间干扰,因此发送侧(例如,eNB 130)仅调整(即应用迫零操作202)第二UE的波束。该方法可以称作远程接收设备接收机类型察觉预编码选择方法。
图3示出可以在发送侧(例如,eNB 130)使用以增强MU-MIMO无线电链路的性能的示例系统。图2中所描述的技术是可应用于多于一个物理信道的大体结构。代表上行/下行物理信道的基带信号能够使用下面发生在所描述的模块中的操作来定义。系统可以包括用于将码字中的编码比特加扰以在传输(例如,在物理信道上)中发送的加扰模块310。使用有关信道的信息,发送机可以以简化或改进接收机处理的方式来将发送信号裁剪(tailor)到信道。接收机可以通过处理从发送机接收的训练信号来生成信道相关的反馈信息。
调制映射器312可以设置成调制加扰的编码比特以生成传输中的调制符号。这些所生成的调制符号能够为复数值调制符号。可以使用不同类型的调制,包括二相移键控(BPSK)、正交相移键控(QPSK)、正交幅度调制(QAM)、8-QAM、16-QAM、64-QAM等。所使用的调制类型可以取决于信号质量。层映射器314可以接着将复数值调制符号映射到一个或若干个传输层315。
预编码模块316可以接着对用于传输的调制符号进行预编码,例如包括上面所讨论的迫零操作。例如,预编码可以对用于天线端口的传输的各层上的复数值调制符号进行编码。预编码可以用来将天线域信号处理转换成波束域处理。除此之外,天线端口还可以耦合于多个天线。发送预编码器可以从对于接收机站和发送机站两者已知的称作码本的一组有限的预编码矩阵当中选择。
根据上述远程接收设备接收机类型察觉预编码部分方法的各种实施方式,反馈模块322可以经由本地接收机模块例如132接收来自远程设备(例如,UE A 110)的远程设备接收机类型,以便使用UE接收机类型反馈323来引导所应用的预编码的类型。
资源元素映射器318能够用来将用于各个天线端口的复数值调制符号映射到可用资源元素。OFDM信号生成模块320能够接着生成用于各个天线端口321的复数值时分双工(TDD)和/或频分双工(FDD)OFDM信号。
通过将预编码传输传送到天线端口能够接着将预编码传输发送到多个UE。具体而言,使用耦合于天线端口的多个天线能够将预编码传输发送到多个UE。
因而,发送侧(例如,eNB 130)与一个或更多个UE(例如,UEA 110和UE B 120)之间的MU-MIMO系统性能和全局通信信道使用能够通过考虑不同的UE接收机能力来改进。
图4给出了执行远程接收设备接收机类型察觉预编码选择的另一个例子,在该情况下,在协作调度/协作波束成形(CSCB)情形中。该例子通过考虑来自服务基站覆盖区(cell)和邻接基站覆盖区两者的UE的干扰减轻/消除能力来操作。
在该例子中,存在两个传输点A(130A)和B(130B),并且各个分别服务各自的UE(UE A 110和UE B 120)。操作传输点A 130A和传输点B 130B以执行CSCB。因而,当传输点服务其自身的UE时,其还设法减轻对由其它传输点服务的UE的干扰。为了促进CSCB操作,两个UE不仅将推荐的预编码器信息报告给其各自的服务传输点以在从发送侧到UE的各自的下行信道(例如,PA->A401和PB->B402)上使用,而且还将推荐的预编码器信息报告给干扰传输点以在从发送侧到UE的各自的潜在干扰下行信道(例如,PB->A404和PA->B403)上使用。同时,两个UE(例如,UE A 110和UE B 120)还可以将它们各自的干扰减轻能力报告给它们各自的服务传输点。
此外,传输点130A和130B两者还可以通过传输点间接口诸如X2410接口来交换其服务的UE的UE能力。这在从UE到邻接基站覆盖区的传输受限(例如发送的无线资源受限而有线X2链路就绪)时可以是有益的。以这样的方式,不同的传输点被适当地通知不仅其自身服务的UE的能力还有由其邻接传输点服务的UE的能力。所例示的方法可以成比例变化以包括任意数量的传输点的使用,即实施方式不限于图4中所讨论的两个传输点例子。
使用该方法,如果UE A 110具有强干扰减轻能力,但是UE B 120具有弱干扰减轻能力,则传输点B 130B可以使用推荐的预编码器PB->B来服务UE B 120,并且该预编码器可以不正交于预编码器PB->A。同时,传输点A 130A可以调整其预编码器以使得其正交于预编码器PA->B,因而UE B 120可以接收仅来自传输点A的传输的小的干扰。
为了促进发送侧(例如,eNB 130)对不同的UE接收机假设应用合适的波束成形策略,UE(例如,UE A 110或UE B 120)可以指示eNB 130其使用什么种类的接收机来解调,例如基于UERS的PDSCH。该接收机类型信息信令(signaling)可以使用例如无线资源控制(RRC)信令来向网络做出。
定义UE接收机类型的一种方式是在例如在初始网络接入阶段期间的RRC消息中具有域(field),其中,任意给定的UA可以向网络报告UE能够减轻多少主干扰。
在各种实施方式中,可以将干扰减轻/消除能力(即,在UE中使用的接收机的类型)以例如如下所示的3GPP版本(release)专用信元(IE)“UE-EUTRA-能力”通知给网络/eNB:
UE-EUTRA能力v1210IE::=序列{
…
物理层参数v1210 物理层参数-v1210
…
}
其中,例如,物理层参数v1210能够进一步定义为:
物理层参数v1210::=序列{
…
ue要减轻的层数 枚举的(ENUMERATED){1,2,4}可选地
…
}
图5在左手侧示出在UE 110与第一传输点130A(例如,源eNB)之间的上述IE的使用,并且在右手侧示出在第一传输点130A与第二、邻接传输点130B之间的相似IE的使用。在该例子中,示出从eNB 130到UE 110的请求UE的接收机能力信息的UE能力查询(UECapabilityEnquiry)传输501、以及从UE 110到eNB 130A的得到的包括请求的UE接收机类型信息的UE能力信息(UECapabilityInformation)传输502。同时,UE能力信息还可以在例如X2接口上在不同的传输点(例如源eNB 130A与目标eNB 130B)之间交换。在图5中,该信息交换例示为从目标eNB 130B传送到源eNB 130A的请求UE能力信息的UE-X2-RRC请求消息503、以及从源eNB 130A传送到目标eNB 130B的包括接收机类型消息504的返回消息UE-X2-RRC信息消息。在某些实施方式中,UE能力信息可以在没有由目标eNB 130B传送的对这样的信息的初始请求的情况下传送。
UE的接收机类型的知识不仅可以帮助单点MU-MIMO传输,而且还能够潜在地帮助其它更普通的MIMO传输情形,诸如多点MIMO传输,包括动态点选择(DPS)/的动态点静默(DPB)以及额外地或可选地,协作调度/协作波束成形(CSCB)。
为了促进协作多点传输,接着需要定义X2信令以在不同的eNB之间交换服务UE的能力。
在各种实施方式中,可以定义在X2接口上报告UE能力(作为另一个信元,具有如下表1中所示的各个信息部分),其中,例如UEEUTRA能力域类似于上面提及的RRC消息规范中定义的域。
表1-方向:源eNB(例如传输点A 130A)到目标eNB(例如传输点B 130B):
图6是示出根据各种实施方式的促进传输点(例如,eNB)与至少一个移动设备(例如,UE)之间的波束成形的方法600的流程图。在块610,服务各个UE的传输点(或者在有多个传输点的各个传输点)可以请求在任何合适的返回信道上在各个UE使用的包括接收机类型的各个UE的能力的信息。作为响应,在块620,各个UE(例如,UEA 110)可以如上所讨论地在RRC信道上使用包括UE接收机类型信息的UE能力信息来响应(各个)服务传输点(例如,eNB 130A和eNB130B)。
图7是示出根据各种实施方式的促进传输点(例如,eNB)与至少一个移动设备(例如,UE)之间的波束成形的方法700的更具体的发送机侧接收部分(即从传输点的视角)流程图。在块710,传输点例如eNB 130(或者在有多个传输点的各个传输点)从(由该各个传输点)(或者各个)服务的UE接收包括UE接收机类型的UE能力信息。
在块720,eNB接着通过根据包括IE接收机类型(例如,MMSE对于MMSE-IRC,或其它)的所接收的UE能力信息来调整用于各个服务的UE的预编码参数来减轻UE传输问题。
在块730,eNB接着发送经调整的预编码参数到该一个或更多个服务的UE。同时,可选地,在块740,包括UE接收机类型的所接收的UE能力信息还可以用于例如DPS/DPB的目的,潜在地通过向前传输到另一个eNB(例如,潜在的服务邻接基站覆盖区)。
图8是示出根据各种实施方式的促进多个传输点(例如,第一eNB、源eNB、eNB A 130A与第二eNB、目标eNB、eNB B 130B)与至少一个移动设备(例如,UE)之间的波束成形的方法800的更具体的发送机侧接收部分(即,从传输点的视角)流程图。
在块810,第一传输点例如eNB 130A从由该第一传输点130A服务的UE接收包括UE接收机类型的UE能力信息。
在块820,第一传输点130A将包括UE接收机类型的所接收的UE能力信息传送到第二传输点例如eNB 130B。
在块830,第二传输点通过根据来自由第一传输点服务的UE的包括UE接收机类型的所接收的UE能力信息来调整用于其各个服务的UE的预编码参数,从而减轻传输点间相关的UE传输问题。
类似于图7中描述的方法700,可选地,在块840和850,包括UE接收机类型的所接收的UE能力信息还可以被第一和第二传输点(例如,eNB 130A和130B)用于其它目的。
这里所描述的eNB 130和UE(110,120)可以实现为使用配置成如所述地操作的任何合适的硬件和/或软件的系统。实施方式还可以实现为更通用的装置,例如用于在实现UE、移动设备或eNB中使用的一个或更多离散电路。
图9示出用于一个实施方式的示例系统900,其包括一个或更多个处理器940、与至少一个处理器940耦合的系统控制逻辑920、与系统控制逻辑920耦合的系统存储器910、与系统控制逻辑920耦合的非挥发性存储器(NVM)/储存器930、以及与系统控制逻辑920耦合的网络接口960。系统控制逻辑920还可以耦合于输入/输出设备950。
处理器940可以包括一个或更多个单核或多核处理器。处理器940可以包括通用处理器和/或专用处理器(例如,图形处理器、应用处理器、基带处理器等)的任意组合。处理器940可以可用于使用合适的指令或程序来(即,经由处理器、或其它逻辑、指令的使用来操作)执行上述方法、或提供上述装置。指令可以存储在系统存储器910中,作为系统存储器部分915,或者额外地或可选地可以存储在(NVM)/储存器930中,作为NVM指令部分935。
根据各种实施方式,处理器940可以包括处理器模块114、124或134并且配置成执行图2~8的实施方式。在系统900实现eNB 130的实施方式中,处理器940可以包括处理器模块134并且配置成在来自各个传输点例如eNB 130A/B的请求之后发送UE接收机类型信息,作为UE能力信息的一部分。
用于一个实施方式的系统控制逻辑920可以包括任何合适的接口控制器以提供到至少一个处理器940和/或到与系统控制逻辑920通信的任意合适的设备或组件的任意合适的接口。
用于一个实施方式的系统控制逻辑920可以包括一个或更多个存储器控制器以提供到系统存储器910的接口。系统存储器910可以用于加载和存储例如用于系统900的数据和/或指令。用于一个实施方式的系统存储器910可以包括任何合适的挥发性存储器诸如例如合适的动态随机访问存储器(DRAM)。
NVM/储存器930可以包括例如用来存储数据和/或指令的一个或更多个有形的且非瞬时的计算机可读介质。NVM/储存器930可以包括任何合适的非挥发性存储器诸如例如闪存,和/或可以包括任何合适的非挥发性储存器设备诸如例如一个或更多个硬盘驱动器(HDD)、一个或更多个压缩盘(CD)驱动器、和/或一个或更多个数字通用盘(DVD)驱动器。
NVM/储存器930可以包括安装有系统900的设备的储存器资源物理部分或者其可以通过设备可访问而不一定是设备的一部分。例如,NVM/储存器930可以在网络上经由网络接口960来访问。
系统存储器910和NVM/储存器930可以具体而言分别包括分别为例如指令部分915和935的临时和永久的副本。指令部分915和935可以包括指令,其在由至少一个处理器940执行时使得系统900实行如这里所述的方法600、700和/或800中的一者或两者或者任意其它实施方式的方法。在某些实施方式中,指令915和935、或者硬件、固件、和/或其软件组件可以额外地/可选地位于系统控制逻辑920、网络接口960和/或处理器940中。
网络接口960可以具有收发机模块965以提供用于系统900的无线电接口以在一个或更多个网络(例如,无线通信网络)上进行通信和/或与任意其它合适的设备进行通信。收发机965可以实现为接收机模块112、122、132和/或发送机模块116、126和/或136。在各种实施方式中,收发机965可以与系统900的其它组件集成在一起。例如,收发机965可以包括处理器940中的处理器、系统存储器910中的存储器、以及NVM/储存器930中的NVM/储存器。网络接口960可以包括任何合适的硬件和/或固件。网络接口960可以可操作地耦合于多个天线156/130以提供多输入、多输出无线电接口。用于一个实施方式的网络接口960可以包括例如网络适配器、无线网络适配器、电话调制解调器、和/或无线调制解调器。
作为一个实施方式,至少一个处理器940可以与用于系统控制逻辑920的一个或更多个控制器的逻辑一起封装。作为一个实施方式,至少一个处理器940可以与用于系统控制逻辑920的一个或更多个控制器的逻辑一起封装以形成系统级封装(SiP)。作为一个实施方式,至少一个处理器940可以集成在与用于系统控制逻辑920的一个或更多个控制器的逻辑相同的晶粒上。作为一个实施方式,至少一个处理器940可以集成在与用于系统控制逻辑920的一个或更多个控制器的逻辑相同的裸芯上以形成片上系统(SoC)。
在各种实施方式中,I/O设备950可以包括:设计成使用户能够与系统900交互的用户接口,设计成使外围组件能够与系统900交互的外围组件接口,和/或设计成确定与系统900相关的环境条件和/或位置信息的传感器。
图10示出了系统900以移动设备1000的特定形式实现UE 110、120的实施方式。
在各种实施方式中,用户接口能够包括但不限于显示器1040(例如,液晶显示器、触摸屏显示器等)、扬声器1030、麦克风1090、一个或更多个摄像头1080(例如,静态摄像头和/或视频摄像头)、闪光灯(例如,发光二极管闪光灯)、以及键盘1070。
在各种实施方式中,外围组件接口可以包括但不限于非挥发性存储器端口、音频插孔、以及电源接口。
在各种实施方式中,传感器可以包括但不限于陀螺仪传感器、加速计、近距离传感器、环境光传感器、以及定位单元。定位单元还可以是网络接口960的一部分或者与网络接口960交互,以与定位网络的组件例如全球定位系统(GPS)卫星进行通信。
在各种实施方式中,系统900可以是移动计算设备诸如但不限于便携式计算设备、平板计算设备、上网本、移动电话等。在各种实施方式中,系统900可以具有更多或更少的组件、和/或不同的架构。
在实施方式中,所实现的无线网络可以是第三代合作伙伴计划的长期演进(LTE)先进无线通信标准,其可以包括但不限于3GPP的LTE-A标准的版本8、9、10、11和12、或之后的版本。
尽管这里为描述目的已经说明和描述了特殊实施方式,但是在不脱离本公开的范围的情况下,计算以达到相同目的的大量的可选和/或等价实施方式或实现方式可以替代所示和所描述的实施方式。本申请旨在覆盖这里所讨论的实施方式的任何适应或变形。因此,显然旨在将这里所描述的实施方式仅由权利要求及其等价物来限定。
在各种实施方式中,可以提供一种装置例如(但不限于)用户设备(UE),其包括处理电路,该处理电路配置成以从UE到至少一个eNB的消息提供接收机类型的指示,该接收机用于由UE使用以接收来自eNB的返回消息。
在各种实施方式中,来自eNB的返回消息包括PDSCH消息。
在各种实施方式中,处理电路配置成通过应用UE专用参考信号来解调PDSCH消息。
在各种实施方式中,处理电路配置成在无线资源控制(RRC)消息中提供指示。
在各种实施方式中,RRC消息是UL-CCCH-消息(UL-CCCH-Message)类型或UL-DCCH-消息(UL-DCCH-Message)类型中的一种。
在各种实施方式中,处理电路配置成在初始网络接入阶段期间可使用的RRC消息的域中提供指示。
在各种实施方式中,处理电路配置成使用初始网络接入阶段来向eNB报告该至少一个UE配置成消除多少主干扰。
在各种实施方式中,该至少一个eNB和/或该至少一个UE包括无线网络的一部分,并且该无线网络的一部分使用MIMO传输技术。
在各种实施方式中,MIMO传输技术包括MU-MIMO、单点MU-MIMO、多点MU-MIMO、DPS/DPB和/或CSCB中的任意一个或更多个。
在各种实施方式中,该至少一个eNB包括第一eNB和第二eNB,并且处理电路还配置成向第二eNB提供有关接收机的信息,该接收机用于由该至少一个UE使用以接收来自第二eNB的返回消息。
各种实施方式还可以提供用户设备(UE),包括处理电路,其配置成向可以服务UE的任何增强节点基站(eNB)通知UE内包含的接收机的类型。
在各种实施方式中,第一eNB或第二eNB可用于使用指示或提供的信息来控制第一eNB或第二eNB使用的预编码参数。
在各种实施方式中,预编码参数可以由第一eNB或第二eNB使用以应用迫零预编码操作。
在各种实施方式中,eNB配置成在来自该至少一个UE的消息中接收接收机的类型的指示,该接收机用于由UE使用以接收来自eNB的返回消息。
在各种实施方式中,eNB还配置成基于用于由UE使用以接收来自eNB的返回消息的接收机类型的指示,将信息提供给另一个eNB。
各种实施方式还可以提供促进至少一个eNB与UE之间的波束成形的方法,其包括:通过UE,提供指示接收机的类型的数据,该接收机用于由UE使用以接收来自eNB的返回消息。
在各种实施方式中,来自eNB的返回消息包括PDSCH消息。
在各种实施方式中,PDSCH消息通过应用UE专用参考信号来解调。
在各种实施方式中,指示在无线电资源控制(RRC)消息中提供。
在各种实施方式中,RRC消息是UL-CCCH-消息类型或UL-DCCH-消息类型中的一种。
在各种实施方式中,RRC消息中的指示包括在初始网络接入阶段可使用的RRC消息中的域。
在各种实施方式中,初始网络接入阶段可用来向eNB报告UE配置成消除多少主干扰。
在各种实施方式中,该至少一个eNB和UE包括无线网络的一部分,并且该无线网络的一部分使用MIMO传输技术。
在各种实施方式中,MIMO传输技术包括MU-MIMO、单点MU-MIMO、多点MU-MIMO、DPS/DPB和/或CSCB中的任意一个或更多个。
在各种实施方式中,该至少一个eNB包括第一eNB和第二eNB,并且该方法还包括向第二eNB提供有关接收机的类型的信息,该接收机用于由UE使用以接收来自第一eNB或第二eNB的返回消息。
在各种实施方式中,第一eNB具有有关用于由第二eNB服务的UE使用的接收机的类型的信息。
在各种实施方式中,第一eNB或第二eNB可用于使用指示或所提供的信息来控制第一eNB或第二eNB使用的预编码参数。
在各种实施方式中,预编码参数可由第一eNB或第二eNB使用以应用迫零预编码操作。
各种实施方式还提供用以促进至少一个eNB与至少一个UE之间的波束成形的方法,包括:该至少一个eNB接收接收机的类型的指示,该接收机用于由该至少一个UE使用以接收来自eNB的返回消息。
各种实施方式还提供计算机可读介质,包括指令,其在执行时使处理器执行所描述的方法中的任何方法。
因而,各种实施方式提供了方法和装置的接收侧和发送侧版本两者,其例如在MIMO环境中能够彼此互操作以促进发送侧与接收侧之间的波束成形。这些可变的实施方式可以包括但不限于包括模块以执行所描述的方法中的任何方法的移动设备、包括模块以执行所描述的方法中的任何方法的对应的传输点诸如eNB、或者包括各个装置中的一个或更多个的系统。实施方式还提供任意计算机可读介质,其包括在执行时使处理器执行所描述的方法中的任何方法的指令。
实施例
下面实施例属于另外的实施方式。
实施例1是用于在无线通信系统中使用的装置例如(但不限于)用户设备(UE),该用户设备包括处理电路,其配置成在从UE到至少一个eNB的消息中提供可以由UE使用以接收来自eNB的返回消息的接收机类型的指示。
实施例2可以是实施例1的主题,但是其中,可选地,来自eNB的返回消息包括PDSCH消息。
实施例3可以是实施例2的主题,但是其中,可选地,处理电路还配置成通过应用UE专用参考信号来解调PDSCH消息。
实施例4可以是实施例1至3中任一项或多项的主题,但是其中,可选地,处理电路配置成在无线资源控制(RRC)消息中提供指示。
实施例5可以是实施例4的主题,但是其中,可选地,RRC消息是UL-CCCH-消息类型或UL-DCCH-消息类型中的一种。
实施例6可以是实施例4的主题,但是其中,可选地,处理电路配置成在初始网络接入阶段期间可使用的RRC消息的域中提供指示。
实施例7可以是实施例6的主题,但是其中,可选地,处理电路配置成使用初始网络接入阶段向eNB报告该至少一个UE配置成消除多少主干扰。
实施例8可以是实施例1至7中任一项或多项的主题,但是其中,可选地,该至少一个eNB和/或该至少一个UE包括无线网络的一部分,并且该无线网络的一部分使用MIMO传输技术。
实施例9可以是实施例6的主题,但是其中,可选地,MIMO传输技术包括MU-MIMO、单点MU-MIMO、多点MU-MIMO、DPS/DPB和/或CSCB中的任意一个或更多个。
实施例10可以是实施例1至9中任一项或多项的主题,但是其中,可选地,该至少一个eNB包括第一eNB和第二eNB,并且处理电路还配置成向第二eNB提供有关接收机的信息,该接收机用于由该至少一个UE使用以接收来自第二eNB的返回消息。
实施例11是一种用于无线通信系统中的装置例如用户设备(UE)或其组件处理电路部分,其包括配置成向可以服务UE的任何增强节点基站(eNB)通知UE内所包含的接收机的类型的处理电路。
实施例12是一种用于服务至少一个UE的装置例如eNB或其组件处理电路部分,其中eNB配置成接收来自该至少一个UE的消息中的用于由UE使用以接收来自eNB的返回消息的接收机的类型的指示。
实施例13可以是实施例12的主题,但是其中,可选地,eNB还配置成基于用于由UE使用以接收来自eNB的返回消息的接收机的类型的指示,将信息提供给另一个eNB。
实施例14是一种促进至少一个eNB与UE之间的波束成形的方法,其包括通过UE,提供指示用于由UE使用以接收来自eNB的返回消息的接收机的类型的数据。
实施例15可以是实施例14的主题,但是其中,可选地,来自eNB的返回消息包括PDSCH消息。
实施例16可以是实施例15的主题,但是其中,可选地,PDSCH消息通过应用UE专用参考信号来解调。
实施例17可以是实施例14至16中任一项的主题,但是其中,可选地,指示在无线资源控制(RRC)消息中提供。
实施例18可以是实施例17的主题,但是其中,可选地,RRC消息是UL-CCCH-消息类型或UL-DCCH-消息类型中的一种。
实施例19可以是实施例17或18的主题,但是其中,可选地,RRC消息中的指示包括在初始网络接入阶段期间可使用的RRC消息中的域。
实施例20可以是实施例19的主题,但是其中,可选地,初始网络接入阶段可用于向eNB报告UE配置成消除多少主干扰。
实施例21可以是实施例14的主题,但是其中,可选地,该至少一个eNB和UE包括无线网络的一部分,并且该无线网络的一部分使用MIMO传输技术。
实施例22可以是实施例21的主题,但是其中,可选地,MIMO传输技术包括MU-MIMO、单点MU-MIMO、多点MU-MIMO、DPS/DPB和/或CSCB中的任意一个或更多个。
实施例23可以是实施例14至22中任一项或多项的主题,但是其中,可选地,该至少一个eNB包括第一eNB和第二eNB,并且该方法还包括向第二eNB提供有关用于由UE使用以接收来自第一eNB或第二eNB的返回消息的接收机的类型的信息。
实施例24可以是实施例14至23中任一项或多项的主题,但是其中,可选地,该方法还包括向第一eNB提供有关用于由第二eNB服务的UE使用的接收机的类型的信息。
实施例25可以是实施例23的主题,但是其中,可选地,第一eNB或第二eNB可用于使用指示或所提供的信息来控制由第一eNB或第二eNB使用的预编码参数。
实施例26可以是实施例25的主题,但是其中,可选地,预编码参数可由第一eNB或第二eNB使用以应用迫零预编码操作。
实施例27是一种促进至少一个eNB与至少一个UE之间的波束成形的方法,其包括:该至少一个eNB接收用于由该至少一个UE使用以接收来自eNB的返回消息的接收机的类型的指示。
实施例28是一种计算机可读介质,其包括在执行时使处理器执行方法实施例14至27中的任一个的指令。
实施例29是一种装置,包括执行实施例14至27中的任一个的方法的装置。
实施例30是一种eNB,其包括执行实施例27的方法的装置。
实施例31是一种用于在无线通信系统中使用的装置,其包括配置成向eNB提供指示用于由装置使用以接收来自eNB的返回消息的接收机的类型的消息的处理电路。
实施例32可以是实施例31的主题,但是其中,可选地,装置是UE。实施例中的特定者可以在一个或更多个实施方式中的任意地方使用。
本领域技术人员理解“处理电路配置成”执行功能包括“硬件配置成”、“软件配置成”以及“硬件和软件的组合配置成”中的至少一个执行该功能。
Claims (25)
1.一种用于在无线通信系统中使用的用户设备(UE),所述UE设备包括:
处理电路,其配置成:
生成UE消息以向至少一个eNB提供接收机类型的指示,所述接收机用于由所述UE使用以接收来自所述eNB的返回消息;并且
输出该UE消息以传输到所述至少一个eNB。
2.如权利要求1的UE,其中,
来自所述eNB的返回消息包括物理下行共享信道(PDSCH)消息。
3.如权利要求2的UE,其中,
所述处理电路配置成,通过UE专用参考信号的应用来解调所述PDSCH消息。
4.如权利要求1的UE,其中,
所述处理电路配置成,在无线资源控制(RRC)消息中提供所述指示。
5.如权利要求5的UE,其中,
所述无线资源控制消息是上行公共控制信道(UL-CCCH)消息类型或上行专用控制信道(UL-DCCH)消息类型的一种。
6.如权利要求4的UE,其中,
所述处理电路配置成,在初始网络接入阶段期间,在使用的无线资源控制消息的域中提供所述指示。
7.如权利要求6的UE,其中,
所述处理电路配置成,使用所述初始网络接入阶段向所述eNB报告所述至少一个UE配置成消除多少主干扰。
8.如权利要求1的UE,其中,
所述至少一个eNB和/或所述至少一个UE包括无线网络的一部分,并且所述无线网络的一部分使用多输入多输出(MIMO)传输技术。
9.如权利要求8的UE,其中,
所述多输入多输出传输技术包括多用户多输入多输出(MU-MIMO)、单点MU-MUMO、多点MU-MIMO、动态点选择(DPS)/动态点静默(DPB)和/或协作调度/协作波束成形(CSCB)中的任意一个或更多个。
10.如权利要求1的UE,其中,
所述至少一个eNB包括第一eNB和第二eNB,并且所述处理电路还配置成向第二eNB提供有关所述接收机的信息,所述接收机用于由所述至少一个UE使用以接收来自所述第二eNB的返回消息。
11.一种用于在无线通信系统中使用的用户设备(UE),包括:
处理电路,其配置成,向可以服务所述UE的任何增强节点基站(eNB)通知所述UE内所包含的接收机的类型。
12.一种用于服务至少一个UE的eNB,其中,
所述eNB配置成,在来自所述至少一个UE的消息中接收接收机的类型的指示,所述接收机用于由所述UE使用以接收来自所述eNB的返回消息。
13.如权利要求12的eNB,其中,
所述eNB还配置成,基于用于由所述UE使用以接收来自所述eNB的返回消息的所述接收机的类型的指示,将信息提供给另一个eNB。
14.一种促进至少一个eNB与UE之间的波束赋形的方法,包括:
通过所述UE,提供指示接收机的类型的数据,所述接收机用于由所述UE使用以接收来自所述eNB的返回消息。
15.如权利要求14的方法,其中,
来自所述eNB的所述返回消息包括物理下行共享信道(PDSCH)消息。
16.如权利要求14的方法,其中,
所述至少一个eNB包括第一eNB和第二eNB,并且所述方法还包括向第二eNB提供有关接收机的类型的信息,所述接收机用于由UE使用以接收来自所述第一eNB或所述第二eNB的返回消息。
17.如权利要求14的方法,还包括向所述第一eNB提供有关接收机的类型的信息,所述接收机用于由所述第二eNB服务的UE使用。
18.如权利要求16的方法,其中,
所述第一eNB或所述第二eNB可用于使用所述指示或所提供的信息来控制由所述第一eNB或所述第二eNB使用的预编码参数。
19.如权利要求18的方法,其中,
所述预编码参数可由所述第一eNB或所述第二eNB使用以应用迫零预编码操作。
20.一种促进至少一个eNB与至少一个UE之间的波束赋形的方法,包括:
所述至少一个eNB接收接收机的类型的指示,所述接收机用于由所述至少一个UE使用以接收来自所述eNB的返回消息。
21.一种计算机可读介质,包括:
指令,其在执行时使处理器执行权利要求14至20中的任一个所述的方法。
22.一种设备,包括:
装置,其执行权利要求14至20中的任一个所述的方法。
23.一种eNB,包括:
装置,其执行权利要求20所述的方法。
24.一种用于在无线通信系统中使用的设备,包括:
处理电路,其配置成:
向eNB提供指示接收机的类型的消息,所述接收机用于由所述设备使用以接收来自所述eNB的返回消息。
25.如权利要求24的设备,其中,
所述设备是UE。
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