CN104854916B - 采用直接无线电信号进行设备到设备发现 - Google Patents

采用直接无线电信号进行设备到设备发现 Download PDF

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CN104854916B
CN104854916B CN201380065490.7A CN201380065490A CN104854916B CN 104854916 B CN104854916 B CN 104854916B CN 201380065490 A CN201380065490 A CN 201380065490A CN 104854916 B CN104854916 B CN 104854916B
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server
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CN201380065490.7A
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CN104854916A (zh
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亚历山大·S·斯托扬诺夫斯基
纵平平
许允亨
马赛厄斯·文卡塔查拉姆
沫-汉·方
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英特尔Ip公司
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Priority to US61/753,914 priority
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Priority to PCT/US2013/057709 priority patent/WO2014113073A1/en
Publication of CN104854916A publication Critical patent/CN104854916A/zh
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Abstract

在实施例中描述了用于在两个UE之间建立直接连接的装置、方法和存储介质。每个UE可由UE的无线网络的服务器提供临时标识符。然后这些UE可被配置为通过与该网络的无线电资源分离的无线电资源以无线电信号的形式广播这些临时ID。这些临时ID可能不包含广播UE的标识信息,该标识信息在不从该网络接收进一步的信息的情况下是可解释的。

Description

采用直接无线电信号进行设备到设备发现

相关申请交叉引用

本申请要求于2013年1月17日递交的题为“Advanced Wireless CommunicationSystems and Techniques”的美国临时专利申请No.61/753,914的优先权,其全部公开被通过引用结合于此。

技术领域

本发明的实施例一般地涉及无线系统中的监测和发现的技术领域。

背景技术

本公开中提供的背景描述是为了一般地展示本公开的背景。目前任命的发明人的工作(到该背景技术部分中所描述的程度)以及在递交时不以其他方式作为现有技术的说明书的方面既不明确地也不隐含地被认作抵触本公开的现有技术。除非本公开中另有指示,否则该部分中所描述的方法对于本公开中的权利要求而言不是现有技术,并且不因被包括在该部分中而被认为是现有技术。

在无线网络和系统中正在进步,例如,由第三代合作伙伴计划(3GPP)标识规定的长期演进(LTE)网络。在一些示例中,用户设备(UE)可能希望与另一UE建立直接连接。在这些示例中,UE广播它的网络标识符可能不理想,因为该广播可能是不安全的并且将UE置于危险中。

附图说明

通过结合附图的以下详细描述将容易理解实施例。为了协助该描述,相似编号指代相似的结构元素。实施例在附图中以示例的方式而不是以限制的方式被示出。

图1根据各个实施例,示意性地示出了包括UE和eNB的网络系统的高层级示例。

图2根据各个实施例,出了无线系统的示例。

图3根据各个实施例,示出了用于设备到设备发现和监视的示例性流程。

图4根据各个实施例,示出了另一无线系统的示例。

图5根据各个实施例,示出了用于设备到设备发现和监视的另一流程的示例。

图6示意性地示出了可被用于实施本申请中所述的各个实施例的示例性系统。

具体实施方式

本公开中描述了用于在两个UE之间建立直接连接的装置、方法和存储介质。在实施例中,每个UE可属于具有设备到设备(D2D)服务器的网络,该服务器可为该网络的UE创建临时ID。UE可被提供有临时ID,并且被配置为通过无线电资源以无线电信号的形式广播临时ID,该无线电资源与用于与网络进行通信的无线电资源分离。临时ID可能不包含广播UE的标识信息,该标识信息在不从该网络接收进一步的信息的情况下可被区分开。通过使用这些临时ID,广播UE的匿名性可被保护,并且整体网络安全性可被增强。

在以下具体实施例中,参考形成该具体实施例的一部分的附图,其中,在附图中相似的标号指代相似的部分,并且在附图中以示例的形式示出了可被实施的实施例。应该理解的是,在不脱离本公开的范围的情况下,可使用其他实施例并做出结构或逻辑上的改变。因此,以下具体实施例不应被认为是限制意义的。

各种操作可以对理解所要求保护的主题最有帮助的方式描述为依次进行的多个离散的动作或操作。但是,描述的顺序不应被解释为暗示这些操作必须是基于顺序的。特别地,这些操作可以不按照展示的顺序来执行。所述操作可以与所述实施例不同的顺序来执行。在附加实施例中,各种附加操作可被执行和/或所述操作可被省略。

对于本公开,短语“A和/或B”和“A或B”意味着(A)、(B)或(A和B)。对于本公开,短语“A、B和/或C”意味着(A)、(B)、(C)、(A和B)、(A和C)、(B和C)或(A、B和C)。

说明书可能使用短语“在实施例中”或“在多个实施例中”,每个短语指的是相同或不同实施例中的一个或多个。此外,针对本公开的实施例所使用的术语“包括”、“具有”等是同义的。

图1根据各个实施例示意性地示出了无线通信网络100。无线通信网络100(下文称为“网络100”)可以是3GPP LTE网络的接入网,例如,演进的通用陆地无线电接入网(E-UTRAN)。网络100可包括eNodeB(eNB,也被称为演进的NodeB)105,被配置为与UE 110进行无线通信。

如图1所示,UE 110可包括收发器模块120。收发器模块120可与UE 110的多个天线125中的一个或多个耦合以与网络100的其他组件(例如,eNB 105户另一UE)进行无线通信。天线125可由功率放大器130来驱动,功率放大器130可以是收发器模块120的组件(如图1所示),或者可以是UE 110的单独组件。在一个实施例中,功率放大器130向天线125上的所有发射提供功率。在其他实施例中,在UE 110上可存在多个功率放大器。多个天线125的使用可允许UE 110使用发射分集技术,例如,空间正交资源发射分集(SORTD)或多输入多输出(MIMO)。在某些实施例中,收发器模块120可包含发射和接收电路。在其他实施例中,收发器模块120可被彼此分离的发射电路和接收电路(未示出)所取代。在其他实施例中,收发器模块120可与处理器电路耦合,该处理器电路被配置为对从收发器模块120接收或发送给收发器模块120的信号或数据(未示出)进行改变、处理或变换。在一些实施例中,收发器模块120可包括D2D逻辑150,可被用于对例如通过使用天线125来发送给UE 110或从UE 110接收的D2D信号进行分析或创建。

类似于UE 110,eNB 105可包括收发器模块140。收发器模块140还可与eNB 105的多个天线135中的一个或多个耦合以与网络100的其他组件(例如,UE 110)进行无线通信。天线135可由功率放大器145来驱动,功率放大器145可以是收发器模块140的组件(如图1所示),或者可以是eNB 105的单独组件。在一个实施例中,功率放大器145向天线135上的所有发射提供功率。在其他实施例中,在eNB 105上可存在多个功率放大器。多个天线135的使用可允许eNB 105使用发射分集技术,例如,SORTD或MIMO。在某些实施例中,收发器模块140可包含发射和接收电路。在其他实施例中,收发器模块140可被彼此分离的发射电路和接收电路(未示出)所取代。在其他实施例中,收发器模块140可与处理器电路耦合,该处理器电路被配置为对从收发器模块120接收或发送给收发器模块120的信号或数据(未示出)进行改变、处理或变换。

图2示出了无线系统200的示例,其中,一个UE 205(“UE A”)可能希望通过直接无线电通信路径215与第二UE 210(“UE B”)直接通信。UE A 205或UE B 210可与以上针对图1所述的UE 110类似,并且通过直接无线电通信路径215的通信可通过UE 110的一个或多个天线125来发生。在一些实施例中,该直接无线电通信路径215可以是例如被描述为基于邻近的服务(ProSe)的一部分的路径,该基于邻近的服务可以是LTE或增强的LTE(LTE-A)的3GPP规范的发行版本12的一部分。在一些实施例中,直接无线电通信路径215还可被认为是D2D系统的一部分。对于本公开,在不丧失普遍性的情况下,D2D将被用作指代D2D、ProSE或一些其他类似技术或规范的一般术语。

在一些实施例中,这两个不同UE 205和210的用户可订阅相同或不同的移动网络运营商(MNO),例如分别是MNO A 265和MNO B 270。每个MNO可操作或以其他方式与演进的分组核心网(EPC)相关联,如3GPP技术规范(例如,发行版本8或之后的规范)所限定的那样。例如,MNO A 265可与EPC A相关联,MNO B 270可与EPC B相关联。特别地,UE A 205的用户可订阅操作相应的EPC A 220的MNO A 265。类似地,UE B的用户可订阅操作EPC B 225的MNO B 270。

一般地,EPC可被认为是给定无线网络的核心网。例如,EPC可负责一般功能,例如,用户管理、数据传输等。在多个实施例中,EPC可包括归属订户服务器(HSS),归属订户服务器可以是包含用户和与订户相关的信息的数据库。特别地,EPC A 220可包括HSS A 250,并且EPC B 225可包括HSS B 260。HSS可在无线网络的移动管理、呼叫和会话建立、用户认证和接入认证中提供支持功能。此外,每个EPC还可包括移动管理实体(MME),该移动管理实体可处理与网络接入的移动性和安全性相关的信令。例如,EPC A 220可包括MME A 245,并且EPC B 225可包括MME B 255。在实施例中,EPC可通过MME与各eNB之间的一个或多个数据接口与一个或多个eNB(例如,eNB A 275和eNB B 280)耦合。eNB A 275和eNB B 280可与例如以上针对图1所述的eNB 105类似。在实施例中,eNB A 275和eNB B 280可被认为是无线电接入网(RAN)的一部分,该无线电接入网分别由MNO A 265和MNO B 270操作但与EPC分离。在其他实施例中,eNB A 275和eNB B 280可被认为是分别由MNO A 265和MNO B 270操作的整体网络的一部分。在实施例中,eNB(例如,eNB A 275)可通过有线或无线连接直接耦合到MME(例如,MME A245)。eNB(例如,eNB A 275)可通过无线连接直接耦合到UE(例如,UE A205)。

在实施例中,EPC A 220和EPC B 225中的每一个可包括D2D服务器(例如,D2D服务器A 230和D2D服务器B 235)。在一些实施例中,D2D服务器A 230和B 235中的一个或两个可以是诸如以上针对3GPP技术规范的发行版本12所述的D2D服务器。在其他实施例中,D2D服务器A 230和B 235中的一个或两个可以是与EPC A 220或EPC B 225耦合且被配置为执行D2D功能的应用服务器。虽然D2D服务器A 230和D2D服务器B 235被示为EPC A 220和EPC B225各自的元件,但是在一些实施例中,D2D服务器A 230和D2D服务器B 235中的一个或两个可在EPC A220和EPC B 225中的一个或两个外部,但与EPC A 220和EPC B 225中的一个或两个以通信方式耦合。在一些实施例中,单个D2D服务器可与多个网络(例如,EPC A 220和EPC B 225二者)耦合。

在实施例中,每个D2D服务器可存储与该D2D服务器相关联的MNO的订户的D2D服务配置文件。例如,D2D服务器A 230可存储UE A 205的用户的D2D服务配置文件,D2D服务器B235可存储UE B 210的用户的D2D服务配置文件。在实施例中,每个D2D服务器可负责处理临时标识符(在本公开中被称为“Temp_ID”),该临时标识符可被用于使用直接无线电信号的D2D发现。在实施例中,“Temp_ID”可以是链路层设备标识符,UE可在信标信号中以持续该标识符的寿命的时间来发送该标识符以标识UE。例如,D2D服务器A 230可将Temp_ID_A分配给UE A 205,然后UE A 205可在信标信号中以持续Temp_ID的寿命的时间来发送Temp_ID_A。接收Temp_ID_A的另一UE或设备能够将UE A 205标识为与Temp_ID_A相关联的UE,如下文进一步详细描述的那样。

Temp_ID可具有保证无线电网络的安全性的益处,因为Temp_ID可被用于D2D中以保证无线电信号的隐私并防止用户基于他们的信标信号而被跟踪。特别地,因为Temp_ID是由MNO的D2D服务器分配的,因此它们可以是随机的或匿名的。因此,拦截由给定UE广播的信标信号的任意其他实体可能不能仅基于该信标信号而不访问额外信息来标识特定UE或UE的用户。

在一些情况下,Temp_ID的寿命可由用户和网络中的一个或两个来配置,并且可基于Temp_ID的具体实现而显著不同。例如,频繁需要彼此发现的两个用户(例如,丈夫和妻子)可基于相对寿命长的Temp_ID来彼此发现。并行地,每个用户还可使用相对寿命短的Temp_ID(例如,“一次性”Temp_ID)来与任意其他用户偶然发现。一般地,每个UE可具有由D2D服务器在给定时刻分配给它的若干Temp_ID。

在一些实施例中,UE A 205能够通过基础设施路径240直接与UE B 210通信。例如,UE A 205能够通过首先沿基础设施路径240向eNB A 275发送信号来直接与UE B 210通信,eNB A 275进而将该信号转送给EPC A 220。然后EPC A 220可沿基础设施路径240将该信号发送给EPC B 225。然后EPC B 225可沿基础设施路径240将该信号发送给eNB B 280,eNB B 280进而将该信号转送给UE B 210。如上所述,作为替代地,D2D服务器A 230和D2D服务器B 235中的一个或两个可操作为将UE A 205和UE B 210配置为沿直接无线电通信路径215彼此直接通信,而不使用与eNB A 275、eNB B 280、EPC A 220和/或EPC B 225相关联的无线电资源。

图3示出了可被用于将两个UE(UE A和UE B)配置为沿直接无线电通信路径215直接通信的示例性过程300。对于过程300,UE A可对应于UE A 205,UE B可对应于UE B 210。同样,D2D服务器A可对应于D2D服务器A 230,D2D服务器B可对应于D2D服务器B 235。eNB A可对应于eNB A 275,eNB B可对应于eNB B 280。此外,HSS A可对应于HSS A 250,HSS B可对应于HSS B 260。在实施例中,下述D2D允许、D2D邻近请求、D2D邻近请求验证、D2D邻近警报、D2D发现资源请求、D2D验证、D2D发现资源响应或D2D邻近响应消息中的一个或多个消息可被认为通过一个或多个网络或系统基础设施路径(例如,基础设施路径240)来发送,如下文进一步详细描述的那样。

虽然图3中示出了HSS A和HSS B,但是在一些实施例中,HSS可不与给定网络的eNB直接耦合,而是可能不得不依赖MME来将消息转送到eNB或从eNB转送消息。在HSS被探讨的实施例中,MME可执行额外或替换的操作来转送消息。在信息被探讨为存储在HSS上的一些实施例中,该信息可额外地或作为替换地存储在MME上。

在实施例中,过程300可被用于向UE A和UE B中的一个或两个提供临时标识符,该临时标识符可被用于对无线电信号的发现和监测目的,而不包括安全性。如图3所示,在305,UE A和UE B可注册D2D服务。特别地,每个UE可通过该UE的MNO的D2D服务器(例如,D2D服务器A和D2D服务器B)注册D2D。在注册过程期间,每个UE可被分配临时链路层标识符。对于本公开,针对每个UE将只探讨单个临时标识符,例如,UE A 205的Temp_ID_A和UE B 210的Temp_ID_B。但是,如以上所探讨的,在一些实施例中,给定UE可能具有多个不同的Temp_ID可被用于不同的具体应用。

在注册过程的结束,在310,D2D服务器A可向HSS A发送D2D允许消息,HSS A可能正存储着UE A的用户配置文件。如果在305的注册过程期间UE A已被分配Temp_ID_A,则Temp_ID_A还可被包括在D2D允许消息中并被存储在HSS_A中。在实施例中,D2D允许消息还可包括UE A的国际移动用户识别码(IMSI),其可被称为IMSI_A。IMSI_A可以是UE A的永久标识符,并且可被HSS_A用于标识Temp_ID_A与之相关联的UE。D2D允许消息可使用与UE A相关联的EPC的控制平面消息来发送。

与310并行或顺序执行,在315,D2D服务器B可向HSS B发送D2D允许消息。由D2D服务器B发送的D2D允许消息可与由D2D服务器A发送的D2D允许消息类似,其也可包括IMSI_B和/或Temp_ID_B二者。与IMSI_A类似,IMSI_B可以是UE B的永久标识符,并且可被HSS_B用于标识Temp_ID_B与之相关联的UE。该D2D允许消息可使用与UE B相关联的EPC的用户平面处的IP消息来发送(例如,沿基础设备路径,例如,基础设备路径240)。

然后UE A可试图发现UE B。特别地,在320,UE A可向D2D服务器A发送D2D邻近请求。特别地,D2D邻近请求消息可以是UE A针对用于使能与UE B的邻近检测的信息。D2D邻近请求可包括UE B的永久应用标识符,在图3中被称为“B”。该应用标识符可以是UE B的永久标识符,其可被认为是标识UE B。D2D邻近请求可作为IP消息通过与UE A相关联的EPC的用户平面来发送。特别地,D2D邻近请求可通过LTE网络的无线信号从UE A发送到eNB A,eNB A进而可将该信号发送给D2D服务器A。在实施例中,D2D邻近请求可在EPC用户平面中或通过非接入层(NAS)协议来从UE A发送到MME A。然后该消息可通过控制平面协议在MME A和D2D服务器A之间进行进一步的传输。

在320,当接收到来自UE A的D2D邻近请求时,D2D服务器A可通过检查应用层标识符“B”来识别与UE B相关联的D2D服务器或UE B被连接到的EPC(例如,D2D服务器B)。然后,在325,D2D服务器A可将D2D邻近请求消息转发给D2D服务器B。由D2D服务器A转发的D2D邻近请求消息可包括附加信息,例如,Temp_ID_A以及可能是UE A的应用层标识符“A”。在一些实施例中,Temp_ID_A可以是在305的注册过程期间被分配给UE A的Temp_ID_A。在其他实施例中,D2D服务器A可为UE A分配新的Temp_ID_A以用于具体D2D邻近请求消息,例如,“在运行中(on the fly)”。

在一些实施例中,在330,D2D服务器B可选地将D2D邻近请求验证发送给UE B。该邻近请求验证发送可通过基础设施路径(例如,基础设施路径240)发生。特别地,D2D服务器B可向eNB B发送D2D邻近请求验证,eNB B进而可将该D2D邻近请求验证转送给UE B。在一些实施例中,该D2D邻近请求验证消息可包括“A”和“B”。该D2D邻近请求验证消息可以是提供给UE B的用户用来确定UE B的用户是否接受UE A的用户的请求使用直接无线电信号进行发现的请求的消息。在一些实施例中,D2D邻近请求验证的发送可能不发生(例如,如果UE B的用户已经表明他们接受针对直接发现的所有请求或来自特定用户的针对直接发现的所有请求)。在其他实施例中,在330处的D2D邻近请求验证可基于由MNO A或MNO B中的一个或两个所设置的设定而不发生。在一些实施例中,UE B的用户可用D2D邻近请求验证响应消息(未示出)来响应。

在一些实施例中,在335,D2D服务器B可选地将D2D允许消息发送给HSS B。在一些实施例中,D2D允许消息可包括IMSI_B和Temp_ID_B。在一些实施例中,Temp_ID_B可以是在UE A的D2D邻近请求的验证期间被分配的UE B的新的Temp_ID。

然后,在340a,D2D服务器B可向UE B发送D2D邻近警报消息。在一些实施例中,D2D邻近警报消息可包括Temp_ID_A和Temp_ID_B二者。D2D允许消息可在EPC用户平面中或通过控制平面协议来在D2D服务器B与MME B之间进行传输,然后通过NAS协议从MME B传输到UEB。

然后在UE B、eNB B和HSS B之间可执行验证和资源分配过程。特别地,在340b,UEB可向eNB B发送D2D发现资源请求。该D2D发现资源请求可包括Temp_ID_B。在一些实施例中,D2D发现资源请求还可包括IMSI_B或eNB B可用于识别UE B的一些其他UE B的永久或半永久标识符(未示出)。D2D发现资源请求可在例如无线电资源控制(RRC)消息(例如,3GPP规范中所限定的RRC消息)中进行传输。

响应于在340b接收到的D2D发现资源请求,eNB B可在340c向HSS B发送D2D验证消息。该D2D验证消息可包括IMSI_B和Temp_ID_B中的一个或两个。特别地,eNB B可向HSS B确认Temp_ID_B实际上确实属于UE B。因此,该确认和授权过程可被用作附加的安全性过程,以防止UE广播不是由D2D服务器分配的Temp_ID。例如,如果eNB只向HSS B发送IMSI_B,则HSS B可用Temp_ID_B来响应,通过将从UE B接收的Temp_ID_B与从HSS B接收的Temp_ID_B相比较,eNB B能够确认Temp_ID_B正确地与UE B相关联。在340c,eNB B与HSS B之间的这些消息可由EPC B的MME(例如,MME B 255)进行转送。在一些实施例中,MME B 255可代替HSSB。

在确认Temp_ID_B正确地与UE B相关联之后,随后在340d,eNB B可向UE B发送发现资源响应消息。在一些实施例中,该发现资源响应消息可包括对UE B应当用于UE B的信标信号的资源的指示。该指示可在RRC消息中进行传输,并且无线电资源可由eNB B或EPC B的MME中的一个或两个分配给UE B。

然后,UE B可以开始在340d处被分配给它的无线电资源上发送它的具有Temp_ID_B的信标信号。在实施例中,该无线电资源可以是直接无线电通信路径215的无线电资源,该无线电资源不同于与UE A或UE B相关联的(一个或多个)LTE网络的基础设施路径240的无线电资源。特别地,用于信标信号和邻近检测的无线电资源可以是无线无线电资源,该无线无线电资源在被用于例如沿基础设施路径240在UE B与eNB B或UE A与eNB A之间进行通信的无线电资源之外。此外,UE B可开始监测针对340a处UE B在D2D邻近警报消息中接收的Temp_ID_A的直接无线电通信路径215的可用无线电资源。在一些实施例中,UE B可能不知道哪些无线电资源已被分配给UE A,因此UE B可能需要监测针对Temp_ID_A的所有可用无线电资源。

与针对UE B所执行的验证和分配过程340a-340e同时,或在此之前或之后,可针对UE A执行类似的验证和分配过程。例如,在345a,D2D服务器B可向D2D服务器A发送D2D邻近响应消息。该D2D邻近响应消息可包括Temp_ID_B。该Temp_ID_B可以是在305处的注册过程期间被分配给UE B的Temp_ID_B,也可以是如果D2D允许消息在335处被发送则为在335处被分配给UE B的Temp_ID_B。

可选地,在345b,D2D允许消息可从D2D服务器A发送给HSS A。在实施例中,D2D允许消息可包括IMSI_A和Temp_ID_A。如果例如在325处D2D服务器A为UE A分配了新的Temp_ID_A“在运行中”,则D2D允许消息可能是需要的。如果UE A的Temp_ID_A仍然是在305处被分配给UE A的Temp_ID_A,则D2D允许消息可能不是必需的。D2D邻近响应消息可在EPC用户平面中或通过控制平面协议来在D2D服务器A与MME A之间进行传输,然后通过NAS协议从MME A传输到UE A。

在实施例中,D2D服务器A随后可向UE A发送D2D邻近响应消息。在实施例中,从D2D服务器A发送的D2D邻近响应消息可与在340a处从D2D服务器B向UE B发送的D2D邻近响应消息类似。345c处的D2D邻近响应消息可包括Temp_ID_A和Temp_ID_B,并且可通过网络基础设施路径(例如,基础设施路径240)来传输。特别地,D2D服务器A可将D2D邻近响应消息发送给eNB A,eNB A进而可将该D2D邻近响应消息发送给UE A。

然后UE A可在345d-345f进行验证和资源分配过程,该过程可与UE B在340b-340d进行的验证和资源分配过程类似。特别地,在345d,UE A可向eNB A发送包括Temp_ID_A的发现资源请求。在一些实施例中,该发现资源请求还可包括IMSI_A或UE A的一些其他永久标识符。然后在345e,eNB A可通过eNB A与HSS A之间的一个或多个D2D验证消息来验证Temp_ID_A。在一些实施例中,D2D验证消息可至少包括IMSI_A或UE A的一些其他永久或半永久标识符。在一些实施例中,D2D验证消息还可包括Temp_ID_A。如上所述,在一些实施例中,345e处的一个或多个D2D验证消息可由EPC A的MME而不是HSS A来转送或回答。最后,在345f,eNB A可用D2D发现资源响应消息来响应UE A,该消息可向UE A分配一个或多个无线电资源。在一些实施例中,345d处的发现资源请求和345f处的D2D发现资源响应可作为RRC消息从eNB A发送。

然后UE A可以开始在345f处被分配给它的无线电资源上发送它的具有Temp_ID_A的信标信号。在实施例中,该无线电资源可以是直接无线电通信路径215的无线电资源,该无线电资源不同于与UE A或UE B相关联的(一个或多个)LTE网络的基础设施路径240的无线电资源。特别地,用于信标信号和邻近检测的无线电资源可以是无线无线电资源,该无线无线电资源与被用于例如沿基础设施路径240在UE B与eNB B或UE A与eNB A之间进行通信的无线电资源分离。此外,UE A可开始监测针对345c处UE A在D2D邻近响应消息中接收的Temp_ID_B的直接无线电通信路径215的可用无线电资源。在一些实施例中,UE A可能不知道哪些无线电资源已被分配给UE B,因此UE A可能需要监测针对Temp_ID_B的所有可用无线电资源。

从以上对过程300的探讨中可以看出,不同元素305-345g可提供UE A和UE B的附加安全层以建立直接通信。通过使用过程300,UE A可知晓网络分配的UE B的临时ID,反之亦然。类似地,UE A只可通过直接无线电通信路径215来广播它的临时ID,并且只监听UE B的临时ID而不是UE B的永久标识符(例如,IMSI_B或“B”)。因此,正在监测无线电资源的第三方不能从其在直接无线电通信路径215上的各自的信标信号中识别UE A或UE B。在实施例中,UE与其各自的eNB之间的临时ID的广播(例如,340a、340b、345c或345d处的D2D发现资源请求)可被认为是相对安全的,因为其可使用可能已经提供信号加密的标准无线电过程通过基础设施路径240来广播。在实施例中,与过程300相关的系统200可被认为是“受限”系统,其中,两个UE之间的D2D通信要经受上述认证和无线电资源分配过程,并且希望建立D2D连接的两个UE可能需要识别彼此的Temp_ID。

作为对照,图4示出了什么可被认为是“开放”系统400。UE A 405可具有与UE X410、Y 415和Z 420的信标发送范围重叠的信号接收范围。对于该示例,可以假设UE A 405、UE X 410、UE Y 415和UE Z 420均为D2D使能的。此外,可以假设每个UE 405、410、415和420订阅允许使用D2D的MNO。此外,虽然只示出了3个UE X 410、Y 415和Z 420,但是在UE A 405的信号接收范围内可存在少至一个或多至上百个UE。在实施例中,UE X 410、Y 415和Z 420可属于不同企业(例如,餐厅、店面、医院等),或者它们可属于特定的人。

图5示出了用于例如系统400中的UE A的UE的过程500。在实施例中,图5中的UE A可对应于图4中的UE A 405。图5中的UE X可对应于UE X 410。图5中的UE Y可对应于UE Y415。最后,图5中的UE Z可对应于UE Z 420。图5中的D2D服务器A可对应于与UE A相关联的EPC的D2D服务器。

在实施例中,UE X、Y和Z可被分配永久或半永久的链路层标识符,这些标识符可被称为Perm_ID_X、Perm_ID_Y和Perm_ID_Z。应该理解的是,标识符“Perm”在这里被用于与较短寿命的临时标识符(例如,以上针对过程300所使用的“Temp”)相区分。但是,“Perm”标识符仍然可以是半永久或临时的,并且可具有比例如上述IMSI或应用标识符的标识符更短的寿命。在一些实施例中,“Temp”标识符可被用于代替过程500中的“Perm”标识符。在一些实施例中,每个标识符(无论是“Temp”还是“Perm”标识符)可包括数据子集(例如,八位的数据),该数据子集可将UE标识为属于特定的类型或类别。例如,“Temp”或“Perm”标识符中的一个八位值可将UE指定为餐厅,而另一值可将UE指定为商店、医院或个人UE。在实施例中,如果该八位数据将UE标识为个人UE,则过程300可能更合适,而如果该八位数据将UE标识为企业类型的UE,则过程500可能更合适。

在过程500中,UE A可从UE A的范围内的其他UE接收多个临时、永久或半永久的ID。UE A的用户可请求该UE区分特定类别(例如,餐厅)的标识符,并且该UE可基于例如该八位数据来识别UE X、Y和Z的特定标识符。特别地,在505,该UE可对接收到的信号进行过滤以识别Perm_ID_X、Perm_ID_Y和Perm_ID_Z。如上针对临时ID所探讨的那样,各种UE的Perm_ID可由与每个UE相关联的MNO的D2D服务器来分配,并且可以是每个UE的匿名或半匿名的标识符。该标识符可在直接链路(例如,以上针对图2所述的直接无线电通信路径215)的无线电资源而不是网络基础设施(例如,基础设施路径240)的无线电资源上被接收。

然后,在510,UE可向D2D服务器A发送D2D翻译请求。D2D翻译请求可使用网络基础设施路径(例如,以上针对图2所述的基础设施路径240)来传输。D2D翻译请求可包括Perm_ID_X、Perm_ID_Y和/或Perm_ID_Z中的一个或全部。特别地,D2D翻译请求可响应于UE A的用户寻求关于与UE X、UE Y和UE Z相关联的餐厅或其他企业的名称或其他特征的信息而被发送。

响应于该翻译请求,在515,D2D服务器A可向UE A发送D2D翻译响应。在实施例中,D2D翻译响应可包括应用层标识符,例如,“X”、“Y”和“Z”。在实施例中,永久或半永久标识符(例如,“X”)可被用于标识与UE X相关联的餐厅或其他企业的名称、网址、地址、电话号码或其他相关联的信息。类似地,永久或半永久标识符(例如,“Y”或“Z”)可被用于标识与UE Y和Z相关联的餐厅或其他企业。D2D翻译响应消息可通过网络基础设施(例如,以上针对图2所探讨的基础设施路径240)来传输。

可选地,随后在520,UE A可将关于与UE X、Y和Z相关联的企业的名称、地址、网址、电话号码或其他信息呈现给UE A的用户。在一些实施例中,用户可请求一个或多个企业的附加信息。例如,用户可请求关于与UE X和UE Y相关联的企业的附加信息。

然后在525,UE A可向D2D服务器A发送D2D附加信息请求。在一些实施例中,D2D附加信息请求可包括用户正请求关于它的进一步信息的(一个或多个)UE的永久或半永久标识符。例如,如果用户想要关于与UE X和Y相关联的企业的更多信息,则D2D附加信息请求可包括标识符“X”和“Y”。在一些实施例中,D2D附加信息请求还可包括例如用于与UE X、Y或Z中的一个或多个建立直接通信链路的预共享密钥的信息。然后在530,D2D服务器A可用D2D附加信息响应中的附加信息进行响应。例如,该附加信息可包括例如视频、餐厅菜单、主要工作人员档案或任意其他信息。525处的D2D附加信息请求和530处的D2D附加信息响应可通过网络基础设施路径(例如,基础设施路径240)来传输。

本公开的实施例可被实现为使用任意适当的硬件和/或软件进行想要的配置的系统。图6示意性地示出了可被用于实现本公开中所述的各个实施例的示例性系统600。对于一个实施例,图6示出了示例性系统600,该系统具有一个或多个处理器605、被耦合到(一个或多个)处理器605中的至少一个的系统控制模块610、被耦合到系统控制模块610的系统存储器615、被耦合到系统控制模块610的非易失性存储器(NVM)/存储设备620、以及被耦合到系统控制模块610的一个或多个通信接口625。

在一些实施例中,系统600能够作为本公开中所述的UE 110。在其他实施例中,系统600能够作为图1所示的实施例或其他所述实施例中的任意一个所述的eNB 105。在其他实施例中,系统600能够作为一个或多个D2D服务器,例如,D2D服务器A 230或D2D服务器B235。在一些实施例中,系统600可包括具有指令的一个或多个计算机可读介质(例如,系统存储器或NVM/存储设备620)以及与该一个或多个计算机可读介质耦合并被配置为执行指令以实现模块从而执行本公开中所述的动作的一个或多个处理器(例如,(一个或多个)处理器605)。

对于一个实施例,系统控制模块610可包括任意适当的接口控制器,以向(一个或多个)处理器605中的至少一个和/或与系统控制模块610通信的任意适当的设备或组件提供任意适当的接口。

系统控制模块610可包括存储器控制器模块630,以向系统存储器615提供接口。存储器控制器模块630可以是硬件模块、软件模块和/或固件模块。

系统存储器615可被用于例如为系统600加载和存储数据和/或指令。对于一个实施例,系统存储器615可包括任意适当的易失性存储器,例如,适当的DRAM。在一些实施例中,系统存储器615可包括双倍数据速率类型四同步动态随机存取存储器(DDR4SDRAM)。

对于一个实施例,系统控制模块610可包括一个或多个输入/输出(I/O)控制器,以向NVM/存储设备620及(一个或多个)通信接口625提供接口。

例如,NVM/存储设备620可被用于存储数据和/或指令。NVM/存储设备620可包括任意适当的非易失性存储器(例如,闪存)和/或可包括任意适当的(一个或多个)非易失性存储设备(例如,一个或多个硬盘驱动器(HDD)、一个或多个光盘(CD)驱动器和/或一个或多个数字通用光盘(DVD)驱动器)。

NVM/存储设备620可包括在物理上作为系统600被安装在其上的设备的一部分的存储资源,或者其可被该设备访问而不必作为该设备的一部分。例如,NVM/存储设备620可通过网络经由(一个或多个)通信接口625进行访问。

(一个或多个)通信接口625可为系统600提供接口以通过一个或多个网络和/或与任意其他适当的设备通信。系统600可根据一个或多个无线网络标准和/或协议中的任意标准和/或协议来与无线网络的一个或多个组件进行无线通信。例如,(一个或多个)通信接口625可与以上针对图1所探讨的收发器模块140耦合。

对于一个实施例,(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器(例如,存储器控制器模块630)的逻辑封装在一起。对于一个实施例,(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑封装在一起以形成系统级封装(SiP)。对于一个实施例,(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑集成在同一模具上。对于一个实施例,(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑集成在同一模具上以形成片上系统(SoC)。

在各个实施例中,系统600可以但不限于是:服务器、工作站、台式计算设备或移动计算设备(例如,膝上型计算设备、手持计算设备、平板电脑、上网本等)。在各个实施例中,系统600可具有更多或更少的组件和/或不同的架构。例如,在一些实施例中,系统600包括一个或多个摄像机、键盘、液晶显示器(LCD)屏幕(包括触屏显示器)、非易失性存储器端口、多个天线、图形芯片、专用集成电路(ASIC)和扬声器。

本公开提供了方法和装置,示例1可包括用于远程发现的装置,该装置被用于用户设备(UE)中,该装置包括:发送电路,用于向无线网络的服务器发送邻近请求消息以使能对远程UE的发现;以及接收电路,用于:从无线网络的服务器接收包括UE的临时标识符和远程UE的临时标识符的邻近响应消息;并且通过直接无线连接从远程UE接收包括远程UE的临时标识符的信号。

示例2可包括示例1的装置,其中,发送电路还将向无线网络的eNodeB(eNB)发送包括UE的临时标识符的验证请求;并且接收电路还从eNB接收至少部分基于验证请求的验证响应。

示例3可包括示例1的装置,其中,邻近请求消息包括远程UE的应用标识符,该远程UE的应用标识符与远程UE的临时标识符不同。

示例4可包括示例1-3的任一项的装置,其中,无线网络使用第一多个无线电资源,而直接无线连接使用与该第一多个无线电资源不同的直接无线电资源。

示例5可包括示例1-3的任一项的装置,其中,服务器是无线网络的基于邻近的服务(ProSe)服务器或设备到设备服务器。

示例6可包括示例1-3的任一项的装置,还包括:显示器;以及应用处理器,该应用处理器与显示器耦合以在显示器上显现图形。

示例7可包括一个或多个非暂态计算机可读介质,该计算机可读介质包括用于远程发现的指令,当这些指令被用户设备(UE)的一个或多个处理器执行时,使得该UE:从无线网络的服务器接收包括该UE的临时标识符的邻近响应或邻近警报消息;向无线网络的eNodeB(eNB)发送包括该UE的临时标识符的验证请求;响应于该验证请求,接收包括无线电资源的验证响应;并且响应于该验证响应,在该无线电资源上发送发现信号,该发现信号包括该UE的临时标识符。

示例8可包括示例7的一个或多个非暂态计算机可读介质,其中,该邻近警报消息还包括远程UE的临时标识符。

示例9可包括示例7的一个或多个非暂态计算机可读介质,其中,这些指令还将:针对远程UE的临时标识符监测多个无线电资源,该多个无线电资源与用于与无线网络通信的无线电资源不同。

示例10可包括示例7-9中的任一项的一个或多个非暂态计算机可读介质,其中,临时标识符与UE的应用层标识符不同。

示例11可包括示例7-9中的任一项的一个或多个非暂态计算机可读介质,其中,临时标识符是由无线网络的服务器分配的临时标识符。

示例12可包括示例11的一个或多个非暂态计算机可读介质,其中,服务器是无线网络的基于邻近的服务(ProSe)服务器或设备到设备服务器。

示例13可包括用于远程发现的装置,该装置被用于用户设备(UE)中,该装置包括:发送电路,用于向服务器发送翻译请求,该翻译请求包括远程UE的临时标识符;以及接收电路,用于响应于翻译请求,接收远程UE的应用层标识符或文本描述。

示例14可包括示例13的装置,其中,接收电路还将通过直接无线电信号从远程UE接收远程UE的临时标识符。

示例15可包括示例13或14的装置,其中,服务器是包括多个无线电资源的第三代合作伙伴计划(3GPP)网络的服务器,并且发送电路将通过多个无线电资源中的某个无线电资源来发送翻译请求;并且直接无线电信号是与多个无线电资源中的无线电资源不同的无线电资源上的直接无线电信号。

示例16可包括示例15的装置,其中,服务器是无线网络的基于邻近的服务(ProSe)服务器或设备到设备服务器。

示例17可包括示例13或14的装置,其中,临时标识符包括数据的一部分,该数据的一部分用来标识远程UE的类型。

示例18可包括示例17的装置,其中,远程UE的类型可至少部分基于与远程UE相关联的企业类别、名称或位置。

示例19可包括示例17的装置,其中,数据的一部分包括八位数据。

示例20可包括远程发现的方法,该方法包括:从第三代合作伙伴计划(3GPP)网络的服务器向3GPP网络中的网络节点发送指示3GPP网络中的第一用户设备(UE)允许与3GPP网络中的第二UE进行直接发现的指示,该指示包括第一UE的临时标识符;由服务器从第一UE接收请求与第二UE进行直接发现的邻近请求,该请求包括第二UE的应用标识符;由服务器并且至少部分基于来自第一UE的请求向3GPP网络中的第二服务器发送请求,该请求包括第二UE的应用标识符和第一UE的临时标识符;由服务器从第二服务器接收邻近响应,该邻近响应包括第二UE的临时标识符;以及由服务器向第一UE发送邻近响应,该邻近响应包括第一UE的临时标识符和第二UE的临时标识符。

示例21可包括示例20的方法,其中,网络节点是3GPP网络的归属用户服务器(HSS)或移动管理实体(MME)。

示例22可包括用于远程发现的方法,该方法包括:从用户设备(UE)向无线网络的服务器发送邻近请求消息以使能远程UE的发现;从无线网络的服务器接收包括该UE的临时标识符和远程UE的临时标识符的邻近响应消息;以及通过直接无线连接从远程UE接收包括远程UE的临时标识符的信号。

示例23可包括示例22的方法,还包括:向无线网络的eNodeB(eNB)发送包括该UE的临时标识符的验证请求;以及至少部分基于该验证请求从该eNB接收验证响应。

示例24可包括示例22的方法,其中,邻近请求消息包括远程UE的应用标识符,该远程UE的应用标识符与远程UE的临时标识符不同。

示例25可包括示例22-24中的任一项的方法,其中,无线网络使用第一多个无线电资源,而直接无线连接使用与该第一多个无线电资源不同的直接无线电资源。

示例26可包括示例22-24中的任一项的方法,其中,服务器是无线网络的基于邻近的服务(ProSe)服务器或设备到设备服务器。

示例27可包括用于远程发现的装置,该装置包括:发送装置,用于从用户设备(UE)向无线网络的服务器发送邻近请求消息以使能远程UE的发现;接收装置,用于从无线网络的服务器接收包括该UE的临时标识符和远程UE的临时标识符的邻近响应消息;以及接收装置,用于通过直接无线连接从远程UE接收包括远程UE的临时标识符的信号。

示例28可包括示例27的装置,还包括:发送装置,用于向无线网络的eNodeB(eNB)发送包括该UE的临时标识符的验证请求;以及接收装置,用于至少部分基于该验证请求从该eNB接收验证响应。

示例29可包括示例27的装置,其中,邻近请求消息包括远程UE的应用标识符,该远程UE的应用标识符与远程UE的临时标识符不同。

示例30可包括示例27-29中的任一项的装置,其中,无线网络使用第一多个无线电资源,而直接无线连接使用与该第一多个无线电资源不同的直接无线电资源。

示例31可包括示例27-29中的任一项的装置,其中,服务器是无线网络的基于邻近的服务(ProSe)服务器或设备到设备服务器。

虽然为了说明,本申请中示出并描述了某些实施例,但是本申请意图覆盖本申请中所探讨的实施例的任意适应性改变或变化。因此,明确的意图是本申请中所述的实施例仅由权利要求来限制。

在本公开记载冠词“一”或“第一”元素或其等同形式的地方,这样的公开包括一个或多个这样的元素,既不必须也不排除两个或两个以上这样的元素。此外,对于被标识元素的顺序指示符(例如,第一、第二或第三)被用于在这些元素之间进行区分,而不指示或暗示这些元素的需要或有限的数量,并且它们也不指示这些元素的特定位置或顺序,除非另外特别说明。

Claims (19)

1.一种用于远程发现的装置,所述装置被用于用户设备UE中,所述装置包括:
发送电路,用于向无线网络的服务器发送邻近请求消息以使能对远程UE的发现;以及
接收电路,用于:
响应于发送所述邻近请求消息而从所述无线网络的所述服务器接收包括分配给所述UE的临时标识符和所述远程UE的临时标识符的邻近响应消息,其中分配给所述UE的所述临时标识符与所述UE的永久标识符不同,并且所述远程UE的临时标识符与所述远程UE的永久标识符不同,并且其中所述UE以持续分配给所述UE的所述临时标识符的寿命的时间发送分配给所述UE的所述临时标识符,并且所述远程UE以持续所述远程UE的临时标识符的寿命的时间发送所述远程UE的临时标识符;以及
通过直接无线连接从所述远程UE接收包括所述远程UE的所述临时标识符的信号。
2.如权利要求1所述的装置,其中,所述发送电路还将向所述无线网络的eNB发送包括所述UE的所述临时标识符的验证请求;并且
所述接收电路还从所述eNB接收至少部分基于所述验证请求的验证响应。
3.如权利要求1所述的装置,其中,所述邻近请求消息包括所述远程UE的应用标识符,所述远程UE的应用标识符不同于所述远程UE的临时标识符。
4.如权利要求1-3中的任一项所述的装置,其中,所述无线网络使用第一多个无线电资源,而所述直接无线连接使用与所述第一多个无线电资源不同的直接无线电资源。
5.如权利要求1-3中的任一项所述的装置,其中,所述服务器是所述无线网络的基于邻近的服务ProSe服务器、或设备到设备服务器。
6.如权利要求1-3中的任一项所述的装置,还包括:
显示器;以及
应用处理器,所述应用处理器与所述显示器耦合以在所述显示器上显现图形。
7.如权利要求1-3中的任一项所述的装置,其中,分配给所述UE的所述临时标识符包括临时链路层标识符。
8.一种用于远程发现的方法,包括:
从第三代合作伙伴计划3GPP网络的服务器向所述3GPP网络中的网络节点发送关于所述3GPP网络中的第一用户设备UE被允许参与到与所述3GPP网络中的第二UE的直接发现中的指示;
由所述服务器从所述第一UE接收对于参与与所述第二UE的直接发现的邻近请求,所述请求包括所述第二UE的应用标识符;
由所述服务器响应于从所述第一UE接收所述邻近请求而向所述第一UE分配临时标识符,所述临时标识符与所述第一UE的永久标识符不同;
由所述服务器至少部分地基于来自所述第一UE的所述邻近请求向所述3GPP网络中的第二服务器发送请求,所述请求包括所述第二UE的应用标识符和所述第一UE的临时标识符;
由所述服务器从所述第二服务器接收邻近响应,所述邻近响应包括所述第二UE的临时标识符,所述第二UE的临时标识符与所述第二UE的永久标识符不同;以及
由所述服务器向所述第一UE发送所述邻近响应,所述邻近响应包括所述第一UE的临时标识符和所述第二UE的临时标识符。
9.如权利要求8所述的方法,其中,所述网络节点是所述3GPP网络的归属用户服务器HSS或移动管理实体MME。
10.如权利要求8所述的方法,其中,向所述第一UE分配临时标识符包括向所述第一UE分配临时链路层标识符。
11.一种由用户设备UE执行的用于远程发现的方法,包括:
向无线网络的服务器发送邻近请求消息以使能远程UE的发现;
基于所述邻近请求消息从所述无线网络的所述服务器接收包括分配给所述UE的临时标识符的邻近响应消息或邻近警报消息,其中所述UE的临时标识符与所述UE的永久标识符不同,并且其中所述UE以持续所述UE的临时标识符的寿命的时间发送所述临时标识符;
向所述无线网络的eNodeB发送包括所述UE的临时标识符的验证请求;
响应于所述验证请求而接收包括无线电资源的验证响应;以及
响应于所述验证响应而在所述无线电资源上发送发现信号,所述发现信号包括所述UE的临时标识符。
12.如权利要求11所述的方法,其中,所述分配给所述UE的所述临时标识符与所述UE的应用层标识符不同,并且所述邻近警报消息包括所述远程UE的临时标识符。
13.如权利要求11所述的方法,还包括:
监视用于所述远程UE的临时标识符的多个无线电资源,所述多个无线电资源与用于与所述无线网络进行通信的无线电资源不同。
14.如权利要求11所述的方法,其中,所述服务器是所述无线网络的基于邻近的服务ProSe服务器、或设备到设备服务器。
15.如权利要求11所述的方法,其中,分配给所述UE的所述临时标识符包括临时链路层标识符。
16.一种计算机可读存储介质,其上存储有指令,所述指令当被第三代合作伙伴计划3GPP网络的服务器的一个或多个处理器执行时,使得所述服务器执行如权利要求8-10中任一项所述方法。
17.一种计算机可读存储介质,其上存储有指令,所述指令当被用户设备的一个或多个处理器执行时,使得所述用户设备执行如权利要求11-15中任一项所述方法。
18.一种用于远程发现的设备,包括用于执行如权利要求8-10中任一项所述方法的装置。
19.一种用于远程发现的设备,包括用于执行如权利要求11-15中任一项所述方法的装置。
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JP6185078B2 (ja) 2017-08-23
WO2014113072A1 (en) 2014-07-24
WO2014113078A1 (en) 2014-07-24
WO2014113095A1 (en) 2014-07-24
EP2946582A4 (en) 2016-08-17
US20150351139A1 (en) 2015-12-03
CN104885504B (zh) 2019-05-31
TW201614973A (en) 2016-04-16
CN104871447B (zh) 2018-02-23
US9525538B2 (en) 2016-12-20
EP2946491A4 (en) 2016-09-14
US9848322B2 (en) 2017-12-19
CN105009478B (zh) 2018-05-25
EP2946525A1 (en) 2015-11-25
US9282571B2 (en) 2016-03-08
US20190059095A1 (en) 2019-02-21
KR101828757B1 (ko) 2018-02-12
US20160183149A1 (en) 2016-06-23
TWI605691B (zh) 2017-11-11
WO2014113087A1 (en) 2014-07-24
EP2946607B1 (en) 2018-08-22
EP2946607A1 (en) 2015-11-25
US20150139087A1 (en) 2015-05-21
CN108683485A (zh) 2018-10-19
EP3544221A1 (en) 2019-09-25
KR101713466B1 (ko) 2017-03-07
US20180063861A1 (en) 2018-03-01
US9313802B2 (en) 2016-04-12
CN104854916A (zh) 2015-08-19
JP2016511557A (ja) 2016-04-14
US9526001B2 (en) 2016-12-20
US20180035450A1 (en) 2018-02-01
EP2946590A4 (en) 2016-08-17
JP2018057027A (ja) 2018-04-05

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