CN102026176A - Switching method and switching device under multi-carrier aggregation scene - Google Patents

Switching method and switching device under multi-carrier aggregation scene Download PDF

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Publication number
CN102026176A
CN102026176A CN2009101907053A CN200910190705A CN102026176A CN 102026176 A CN102026176 A CN 102026176A CN 2009101907053 A CN2009101907053 A CN 2009101907053A CN 200910190705 A CN200910190705 A CN 200910190705A CN 102026176 A CN102026176 A CN 102026176A
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carrier
encryption
base station
target
ue
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CN2009101907053A
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Chinese (zh)
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于映辉
宋巍巍
张淼
陈玉华
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华为技术有限公司
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Abstract

The invention provides a switching method and a switching device under a multi-carrier aggregation scene. The switching method comprises the following steps of: transmitting a request message to a target base station by a source base station, wherein the request message carries a recommended target carrier, an encryption parameter of the recommended target carrier and a corresponding new encryption key KeNB* of the recommended target carrier; receiving a request response message by the source base station, wherein the request response message carries an encryption carrier indicator and an encryption parameter of the encryption carrier; and retransmitting the encryption carrier indicator and the encryption parameter of the encryption carrier to UE (User Equipment) by the source base station, thereby ensuring the consistency of the used safe key between the UE and a base station.

Description

一种多载波聚合场景下的切换方法、装置 A multi-carrier aggregation method in a handover scenario, means

技术领域 FIELD

[0001] 本发明涉及通讯技术,具体涉及一种多载波聚合场景下的切换方法、装置。 [0001] The present invention relates to communication technology, particularly relates to a handover method in a multi-carrier aggregation scenario, device. 背景技术 Background technique

[0002] 无线通信系统中,UE根据网络侧发送的载波信息对使用该载波相邻小区的信号质量进行检测,对于长期演进增强(long-term evolution advance,LTE-A)系统等载波聚合系统,集中地理区域的几个小区,被称之为集中式的多小区,在一个基站下的载波聚合小区是一种集中式的多小区,这种多个小区组成的集合称为聚合小区(CA Cell,CA Cell Set),聚合小区内的载波有各自载波对应的物理小区标识(PCI,Physical Cell Identity), UE可以同时拥有多个为它服务的载波。 [0002] a wireless communication system, the UE using the signal quality of the neighboring cell carrier according to the carrier detect information sent by the network, for enhanced long term evolution (long-term evolution advance, LTE-A) system, carrier aggregation system, concentrated several cells geographical area, called a centralized multi-cell base station in a cell carrier aggregation is a centralized multi-cell, collection of cells composed of a plurality of such cells is called polymer (CA cell , CA cell Set), the carrier in the polymerization cell has its own physical cell identity corresponding to the carrier (PCI, physical cell identity), UE can have a plurality of carriers for its services simultaneously.

[0003] LTE系统中,当UE进行切换的时候,源基站根据目标小区服务载波的加密参数获得新的密钥基站加密密钥(KeNB*,KeyofEnb)和安全验证码shortMAC-I,具体包括目标小区服务载波的PCI与下行载波中心频带位置(EARFCN-DL,E-UTRA Absolute Radio Frequency Channel Number-DownLink)获得出新的密钥KeNB*,同时,源基站会基于源小区的服务载波PCI、目标小区的全局小区标识(ECGI,E-UTRAN Cell Global Identifier)产生一个安全验证码shortMAC-I。 [0003] LTE system, when the UE handover, the source base station to obtain a new key encryption key (KeNB *, KeyofEnb), and security code ciphering parameter shortMAC-I in accordance with the target carrier serving cell, comprising a target specific PCI and downlink carrier frequency band position of the center cell of the serving carrier (EARFCN-DL, E-UTRA Absolute Radio Frequency Channel Number-downLink) to obtain a new key KeNB *, the same time, the source base station based on the source cell serving carrier PCI, the target cell global cell identifier (ECGI, E-UTRAN cell global identifier) ​​generates a security code shortMAC-I. 并由源基站将KeNB*和shortMAC-I通过X2接口在切换准备阶段发送给目标基站。 KeNB * by the source base station and shortMAC-I to the target base station through an X2 interface in the handover preparation phase. 当UE收到切换命令后,使用源基站的服务载波PCI、EARFCN-DL,获得与目标基站相同的密钥KeNB*,并使用它对UE数据进行加密,达到UE与目标基站加密密钥的一致性。 After the UE receives the handover command, the source base station serving carrier PCI, EARFCN-DL, the target base station to obtain the same key KeNB *, and use it to encrypt data UE, the UE and the target base station achieve the same encryption key sex. (与发明讨论) (And discussed herein)

[0004] 在载波聚合场景下,UE同时有多个服务载波,每个服务载波都有各自的参数配置,切换过程中,无法确定加密密钥获得具体使用哪个载波的PCI,无法保证UE与基站之间使用安全密钥的一致性。 [0004] in a carrier aggregation scenario, a plurality of UE simultaneously serving carrier, each carrier has its own service parameters, the handover process, the encryption key can not determine which carrier to obtain PCI specific use, can not ensure that the UE and the base station use consistency between the security key.

发明内容 SUMMARY

[0005] 本发明实施例提供一种多载波聚合场景下的切换方法,以保证UE与基站之间使用安全密钥的一致性。 Example [0005] The present invention provides a handover method in a multi-carrier aggregation scenario, security keys used to ensure consistency between the UE and the base station.

[0006] 一种多载波聚合场景下的切换方法,包括: [0006] handover method in a multi-carrier aggregation scenario, comprising:

[0007] 源基站向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、 所述推荐使用目标载波对应的新加密密钥KeNB* ; [0007] The source base station sends the target base station using the recommended target carrier and target carrier recommended encryption parameters, the target carrier is recommended to use the new encryption key corresponding KeNB *;

[0008] 源基站将所述加密载波指示及加密载波的加密参数转发给UE。 [0008] The source base station ciphering parameter indicative of the carrier and the encrypted encryption carrier forwards to the UE.

[0009] 一种多载波聚合场景下的切换方法,包括: [0009] The handover method in a multi-carrier aggregation scenario, comprising:

[0010] 接收加密载波指示和加密载波的加密参数; [0010] The carrier receives the encrypted and the encrypted encryption parameters indicative of the carrier;

[0011 ] 根据所述加密载波指示和加密载波参数获得加密密钥。 [0011] obtaining an encryption key according to the encryption indication and an encryption carrier carrier parameter.

[0012] 一种多载波聚合场景下的切换装置,包括: [0012] The switching device in a multi-carrier aggregation scenario, comprising:

[0013] 获取模块,用于获取新加密密钥KeNB* ; [0013] acquiring module, for acquiring the new cryptographic key KeNB *;

[0014] 收发模块,用于向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、获取模块获取的所述推荐使用目标载波对应的新加密密钥KeNB*;或者用于源基站将所述加密载波指示及加密载波的加密参数转发给UE ; [0014] The transceiver module for transmitting recommended target carrier and a target base station recommended to use ciphering parameter of the target carrier, acquiring module acquires the recommended new encryption key KeNB * corresponding to the target carrier; or a source base station the encryption parameters and the encrypted encryption carrier indicator of the carrier forwards to the UE;

[0015] 一种用户终端包括: [0015] A user terminal comprising:

[0016] 接收模块,用于接收加密载波指示和加密载波的加密参数; [0016] a receiving module, configured to receive the encrypted encryption parameters and the encryption carrier indicator of the carrier;

[0017] 获取模块,用于根据所述加密载波指示和加密载波参数获得加密密钥。 [0017] The acquisition module, for obtaining the encryption key from the encrypted encryption carrier and the carrier indicator parameter.

[0018] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0018] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommended target carrier corresponding KeNB * the source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station.

附图说明 BRIEF DESCRIPTION

[0019] 为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简要介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例, 对于本领域的普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。 [0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings briefly described as required for use in the embodiments. Apparently, the drawings in the following description are only some embodiments of the present invention. embodiment, those of ordinary skill in the art is concerned, without any creative effort, and may also obtain other drawings based on these drawings.

[0020] 图1为是本发明实施例一多载波聚合场景下的切换方法流程图; [0020] FIG. 1 is an embodiment of the present invention is more than one carrier flowchart polymerization method in a scene switching;

[0021] 图2为是本发明实施例二多载波聚合场景下的切换方法流程图; [0021] FIG. 2 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario according to the second embodiment of the present invention;

[0022] 图3为是本发明实施例三多载波聚合场景下的切换方法流程图; [0022] FIG. 3 is a flowchart illustrating a handover method according to the carrier aggregation scenario over three embodiments of the present invention;

[0023] 图4为是本发明实施例四多载波聚合场景下的切换方法流程图; [0023] FIG. 4 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario according to a fourth embodiment of the present invention;

[0024] 图5为是本发明实施例五多载波聚合场景下的切换方法流程图; [0024] FIG. 5 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario according to a fifth embodiment of the present invention;

[0025] 图6为是本发明实施例六多载波聚合场景下的切换方法流程图; [0025] FIG. 6 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario according to a sixth embodiment of the present invention;

[0026] 图7为是本发明实施例七多载波聚合场景下的切换方法流程图; [0026] FIG. 7 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario according to a seventh embodiment of the present invention;

[0027] 图8为是本发明实施例八多载波聚合场景下的装置结构示意图; [0027] FIG. 8 is a schematic view of a device structure in a multi-carrier aggregation scenario eight cases embodiment of the present invention;

[0028] 图9为是本发明实施例九多载波聚合场景下的装置结构示意图。 [0028] FIG. 9 is a schematic view of a device structure in a multi-carrier aggregation scenario according to a ninth embodiment of the present invention.

具体实施方式 Detailed ways

[0029] 为了使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明作进一步地详细描述,显然,所描述的实施例仅仅是本发明一部份实施例,而不是全部的实施例。 [0029] To make the objectives, technical solutions, and advantages of the present invention will become apparent in conjunction with the accompanying drawings below of the present invention will be further described in detail, obviously, the described embodiments are merely part of embodiments of the invention, rather than all embodiment. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

[0030] 图1为是本发明实施例一多载波聚合场景下的切换方法流程图,包括: [0030] FIG. 1 is an embodiment of the present invention is a multi-carrier flow chart diagram of a handover method in a polymerization scene, comprising:

[0031 ] 101、源基站向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、所述推荐使用目标载波对应的新加密密钥KeNB* ; [0031] 101, the source base station transmits the recommended target carrier and target carrier encryption parameters recommended target base station, the target carrier is recommended to use the new encryption key corresponding KeNB *;

[0032] 102、源基站将所述加密载波指示及加密载波的加密参数转发给UE。 [0032] 102, the source base station ciphering parameter indicative of the encryption and the encryption carrier carrier forwards to the UE.

[0033] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0033] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommended target carrier corresponding KeNB * the source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station.

[0034] 参照图2,是本发明实施例二的多载波聚合场景下的切换方法流程图,为了保证目标基站和UE获得KeNB*使用的加密参数的一致性,目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将该隐示指示携带加密载波及加密载波的加密参数转发给UE,包括: [0034] Referring to FIG. 2 is a flowchart illustrating a handover method in a multi-carrier aggregation scenario two embodiments of the present invention, in order to ensure consistency of the target base station and the UE obtains the encryption parameter KeNB * using the target base station transmits a handover request to the source base station response message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, the source base station carries Cain illustrates ciphering parameter indicating the encrypted encryption carrier and the carrier forwards to the UE, comprising:

[0035] 201、UE向源基站发送测量报告; [0035] 201, UE transmits a measurement report to the source base station;

[0036] 202、源基站根据该测量报告的结果与目标小区组载波的聚合信息,为目标小区推荐使用的目标载波,并根据该推荐使用的目标载波的加密参数获得KeNB*。 [0036] 202, the source base station according to the results of the measurement report aggregated information to the target cell of carriers, the carrier used in the recommended target as a target cell, and KeNB is obtained in accordance with the target carrier encryption parameters recommended *.

[0037] 其中,该加密参数可以为ECGI、PCK EARFCN-DL,也可以为PCI、 EARFCN-DL,当加密参数为PCI和EARFCN-DL时,源基站可以通过读取目标基站发送的广播消息获取ECGI。 [0037] wherein, the encryption parameters may be ECGI, PCK EARFCN-DL, may be a PCI, EARFCN-DL, when the encryption parameters and the PCI EARFCN-DL, the source base station can read the broadcast message sent by the target base station acquires ECGI.

[0038] 该推荐使用的目标载波可以为一个,也可以为多个,若该推荐使用的目标载波为多个载波,源基站获得多个推荐使用的目标载波对应的KeNB*。 [0038] The recommended target carrier may be one, or may be a plurality, if the recommended target carrier into a plurality of carriers, the source base station to obtain a corresponding plurality of target carrier recommended KeNB *.

[0039] 203、源基站向目标基站发送移交准备请求消息,该消息携带推荐使用目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB* ; [0039] 203, the source base station sends the handover preparation request message to the target base station, the message carries the recommended target carrier and encryption parameters recommended target carrier, the carrier corresponding to the recommended target KeNB *;

[0040] 其中,移交准备请求消息还可以为切换请求或者切换准备消息。 [0040] wherein the handover prepare request message may also be a handover request or a handover preparation message.

[0041] 204、目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,若步骤203中只存在一个KeNB*则步骤204为可选的步骤; [0041] 204, the target base station to the source base station sends a handover request response message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, if in step 203 the presence of a KeNB * then step 204 is optional step;

[0042] 其中,切换请求应答消息还可以为切换准备完成消息。 [0042] wherein the handover request response message may also be a handover prepare complete message.

[0043] 205、源基站向UE发送RRC连接重配置消息,该消息隐示携带加密载波及加密载波的加密参数; [0043] 205, the source base station transmits to the UE RRC connection reconfiguration message, the message carrying the ciphering parameter implicit carrier and the encrypted encryption carrier;

[0044] 其中,加密载波可以为目标基站默认UE初始接入载波,通过指示的方式为UE 指定用于加密参数计算的载波,该加密载波仅用于UE和基站通信时进行安全参数计算的输入,对该加密载波其它功能不做限定。 [0044] wherein, carriers may default encryption UE initially accesses a target carrier base station, by way of indication for the UE carrier designated for encryption parameter calculation, the parameter calculation security of the encrypted input carrier only for the UE and base station communication , the encryption function is not defined in the other carrier.

[0045] 其中,UE通过聚合载波聚合信息列表获得加密载波的加密参数,可以通过UE 该聚合载波信息列表中包含去聚合小区中包括全部参与聚合载波的信息,该列表可以用于UE监督该聚合小区信号质量。 [0045] wherein, UE encrypted ciphering parameter is obtained by polymerizing carrier carrier aggregation information list, the polymeric carrier by UE information list to contain all of the information included in the polymerization cell carriers participating in the polymerization, the list may supervise the polymerization for the UE cell signal quality. 该聚合信息列表可以包括EARFCN-DL、PCI,或者该聚合信息列表可以包括ECGI、PCI、EARFCN-DL ; The list may include information polymerization EARFCN-DL, PCI, or the polymerization may include information list ECGI, PCI, EARFCN-DL;

[0046] 其中,该指示携带的加密载波可以为目标聚合小区系统消息或专用连接重配置消息中聚合信息列表中指定位置的载波;或者可以为目标聚合小区指定一个或多个目标服务小区列表中的指定位置载波,但是,如果目标聚合小区仅有一个载波,该载波即为加密载波;或者目标聚合小区资源分配Radio ResourceConfiguration载波列表中的指定位置载波;或者在目标聚合小区内的与UE随机接入的上行载波配对的下行载波,该配对关系可以为基站通过专用信息或系统消息指示出UE的上下行配对关系。 [0046] wherein the encryption indication is carried polymeric carrier may be a cell system or a dedicated message for the target connection reconfiguration message carrier aggregation information location specified in the list; or the polymerization may specify one or more target cells serving as the target cell list carrier designated position, However, if the target cell is only one polymeric carrier, the carrier is the carrier encryption; a polymerization cell or target location designated carrier resource assignment list Radio ResourceConfiguration carrier; and the UE or random access in the target cell of the polymerization the uplink carrier paired downlink carrier may indicate the pairing relationship UE uplink and downlink base pairing relationship or through a dedicated system information message.

[0047] 进一步,若是隐示指示携带加密载波,还可以在RRC连接配置消息中增加是否更换加密载波的指示,用于指示是否需要更换加密载波; [0047] Further, if the encryption indication carries implicit carrier, may also be connected to a configuration message indicates whether an increase in the RRC update the encryption carriers, for indicating whether encryption carrier needs to be replaced;

[0048] 如果UE判断增加的资源载波或服务小区在聚合信息列表中,就不需要更新加密载波。 [0048] If the UE determines additional resources or service carrier in the polymerization cell information list, it is not necessary to update the encryption carrier.

[0049] 其中,该RRC连接重配消息还可以为切换命令或者载波无线资源更新或者激活载波集合更新或者服务小区集更新。 [0049] wherein the RRC connection reconfiguration message may also be a carrier or a handover command or a radio resource update activated carrier set or serving cell update set update.

[0050] 206、源基站向目标基站发送根据该消息隐示携带加密载波及加密载波的加密参数获得shortMAC-I ; [0050] 206, the source base station transmits to the target base implicit carrier and encrypted ciphering parameter carried in encrypted carrier shortMAC-I obtained according to the message;

[0051] 207、UE根据隐示指示携带加密载波和加密载波参数获得KeNB*和shortMAC-I ο [0051] 207, UE carries the carrier and the encrypted encryption parameters obtained KeNB * and the carrier shortMAC-I ο The implicit indication

[0052] 其中,当加密参数为PCI和EARFCN-DL时,UE可以通过读取目标基站发送的 [0052] wherein, when encryption parameters and the PCI EARFCN-DL, UE may send read target by base station

广播消息获取ECGI。 Broadcast messages get ECGI.

[0053] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0053] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommended target carrier corresponding KeNB * the source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station.

[0054] 参照图3,是本发明实施例的多载波聚合场景下的切换方法流程图,为了保证目标基站和UE获得KeNB*使用的加密参数的一致性,目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将该显示指示携带加密载波及加密载波的加密参数转发给UE,该实施例与实施例二步骤201〜步骤203相同,不同之处在于: [0054] Referring to FIG 3, a method of switching a multi-carrier aggregation scenario in an embodiment of the present invention, a flow diagram, in order to ensure consistency of the target base station and the UE obtains the encryption parameter KeNB * using the target base station requests the base station transmits a handover response to the source message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, the source base station carries the display instruction and the encrypted encryption carrier carrier encryption parameters forwarded to the UE, according to the second embodiment is the same step 201~ step 203, different except that:

[0055] 304、目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,若步骤303中只存在一个KeNB*则步骤304为可选的步骤; [0055] 304, the target base station to the source base station sends a handover request response message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, if in step 303 the presence of a KeNB * then step 304 is optional step;

[0056] 305、源基站向UE发送RRC连接重配置消息,该消息显示指示携带加密载波参数; [0056] 305, the source base station transmits to the UE RRC connection reconfiguration message, the encrypted message carries an indication parameter carriers;

[0057] 其中,该RRC连接重配消息还可以为切换命令或者载波无线资源更新或者激活载波集合更新或者服务小区集更新。 [0057] wherein the RRC connection reconfiguration message may also be a carrier or a handover command or a radio resource update activated carrier set or serving cell update set update.

[0058] 306、源基站根据该消息显示指示携带的加密载波及加密载波的加密参数获得shortMAC-I,源基站将获得的该shortMAC-I发送给目标基站; [0058] 306, the source base station based on the indication message carries the encryption parameters and the encrypted encryption carrier carrier obtained shortMAC-I, the source base station obtained shortMAC-I to the target base station;

[0059] 307、UE根据该加密载波和加密载波参数获得KeNB*和shortMAOI。 [0059] 307, UE shortMAOI get KeNB * and encrypted based on the encryption carrier and carrier parameter.

[0060] 其中,当加密参数为PCI和EARFCN-DL时,UE可以通过读取目标基站发送的 [0060] wherein, when encryption parameters and the PCI EARFCN-DL, UE may send read target by base station

广播消息获取ECGI。 Broadcast messages get ECGI.

[0061] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0061] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommended target carrier corresponding KeNB * the source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station.

[0062] 参照图4,是本发明实施例的多载波聚合场景下的切换方法流程图,为了保证目标基站和UE获得KeNB*使用的加密参数的一致性,目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将该隐示指示携带加密载波及加密载波的加密参数转发给UE,该实施例与实施例二步骤201〜步骤203相同,不同之处在于: [0062] Referring to FIG. 4, a handover method in a multi-carrier aggregation scenario of the present invention, embodiments of a flowchart, in order to ensure consistency of the target base station and the UE obtains the encryption parameter KeNB * using the target base station requests the base station transmits a handover response to the source message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, the source base station carries Cain illustrates ciphering parameter indicating the encrypted encryption carrier and the carrier forwards to the UE, according to the second embodiment is the same step 201~ step 203, the difference lies in:

[0063] 404、目标基站向源基站发送切换请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,若步骤403中只存在一个KeNB*则步骤404为可选的步骤; [0063] 404, the target base station to the source base station sends a handover request response message, the message carries an indication encrypted encryption parameters and the encryption carrier carriers, in step 403 if there is only one step KeNB * is an optional step 404;

[0064] 405、源基站向UE发送RRC连接重配置消息,该消息中的移动性控制信元mobilitycontrolinfo显示指示携带加密载波信息、加密载波的加密参数; [0064] 405, the source base station transmits to the UE RRC connection reconfiguration message, the mobility control cell mobilitycontrolinfo the message display instruction information carrier carries encrypted, the encrypted encryption parameters carriers;

[0065] 其中,mobilityco ntrolinfo信元可以同时携带指示一个或多个载波的信息,如果携带指示多个载波的信息,需要在mobilitycontrolinfo信元中增加携带载波作为加密载波的指示。 [0065] wherein, mobilityco ntrolinfo simultaneously indicate the cell may carry one or more information carriers, if a plurality of carriers carrying information indicating the need to increase the carrier carries an information element mobilitycontrolinfo as indicated encrypted carrier.

[0066] 其中,该RRC连接重配消息还可以为切换命令或者载波无线资源更新或者激活载波集合更新或者服务小区集更新。 [0066] wherein the RRC connection reconfiguration message may also be a carrier or a handover command or a radio resource update activated carrier set or serving cell update set update.

[0067] 406、源基站根据该消息携带的加密载波信息及加密载波的加密参数获得shortMAC-I,源基站将获得的该shortMAC-Ι发送给目标基站; [0067] 406, the source base station shortMAC-Ι carrier information encrypted according to the encryption parameters and the encryption of the message carried by the carrier obtained shortMAC-I, the source base station to a target base station obtained;

[0068] 407、UE根据该加密载波信息和加密载波参数获得KeNB*和shortMAOI。 [0068] 407, UE shortMAOI get KeNB * and the carrier according to the encrypted information and the encrypted carrier parameter.

[0069] 其中,当加密参数为PCI和EARFCN-DL时,UE可以通过读取目标基站发送的 [0069] wherein, when encryption parameters and the PCI EARFCN-DL, UE may send read target by base station

广播消息获取ECGI。 Broadcast messages get ECGI.

[0070] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,目标基站向源基站发送切换请求应答消息,该消息中的移动性控制信元mobilitycontrolinfo指示携带加密载波信息、加密载波的加密参数;源基站将接收到的加密载波信息及加密载波的加密参数通过RRC连接重配置消息转发给UE,从而保证UE与基站之间使用安全密钥的一致性。 [0070] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the target base station sends a handover request acknowledge message to the source base station, a mobility control signal of the message element mobilitycontrolinfo indication is carried encrypted carrier information, encrypted encryption parameters carriers; source base station to encrypt the received encrypted parameter, and encryption information carrier carrier through an RRC connection reconfiguration message is forwarded to the UE, so as to ensure the consistency of the security key used between the UE and the base station.

[0071] 参照图5,是本发明实施例的多载波聚合场景下的切换方法流程图,为了保证目标基站和UE获得KeNB*使用的加密参数的一致性,目标基站向源基站发送系统消息, 该消息中携带加密载波及加密载波的加密参数,源基站将携带的该加密载波及加密载波的加密参数转发给UE,包括: [0071] Referring to FIG. 5, is a handover method in a multi-carrier aggregation scenario of the embodiment of the present invention a flowchart, in order to ensure consistency of the target base station and the UE obtains the encryption parameter KeNB * using the target base station sends a system message to the source base station, the carrier encryption parameters and the encryption parameters of the encrypted message encrypted carrier carries the carrier and the encrypted encryption carrier, carrying the source base station forwards to the UE, comprising:

[0072] 501、目标基站向源基站发送系统消息,该消息中携带加密载波指示及加密载波的参数; [0072] 501, the target base station sends a message to the source base station system, the encryption parameter and encryption carrier indication message carries the carrier;

[0073] 其中,该加密参数可以为ECGI、PCK EARFCN-DL,也可以为PCI、 EARFCN-DL,当加密参数为PCI和EARFCN-DL时,源基站可以通过读取目标基站发送的广播消息获取ECGI。 [0073] wherein, the encryption parameters may be ECGI, PCK EARFCN-DL, may be a PCI, EARFCN-DL, when the encryption parameters and the PCI EARFCN-DL, the source base station can read the broadcast message sent by the target base station acquires ECGI.

[0074] 502、源基站将该系统消息转发给UE,该系统消息中携带加密载波指示及加密载波的参数; [0074] 502, the source base station forwards the message system to the UE, the encryption parameter and encryption carrier indicator of the carrier of the message carries system;

[0075] 503、源基站根据该加密载波的加密参数获得shortMAC-I,源基站向目标基站发送该shortMAC-I ; [0075] 503, the source base station to obtain the encryption parameter shortMAC-I in accordance with the encryption carrier, the source base station transmits to the target base station shortMAC-I;

[0076] 504、UE在进行RRC连接重建时,UE使用该加密载波的加密参数获得shortMAC-I ο [0076] 504, UE performing the RRC connection reestablishment, UE encrypted using the encryption parameters to obtain carrier shortMAC-I ο

[0077] 其中,当加密参数为PCI和EARFCN-DL时,UE可以通过读取目标基站发送的广播消息获取ECGI。 [0077] wherein, when encryption parameters and the PCI EARFCN-DL, UE can get by reading the ECGI broadcast message sent by the target base station.

[0078] 其中,本实施例中的系统消息也可以为RRC连接建立消息。 [0078] wherein the message system in the present embodiment may be a RRC connection setup message.

[0079] 在载波聚合场景下,本发明实施例通过目标基站向源基站发送系统消息,该消息中携带加密载波指示及加密载波的参数,源基站将该系统消息转发给UE,该系统消息中携带加密载波指示及加密载波的参数,从而保证UE与基站之间使用安全密钥的一致性。 [0079] in a carrier aggregation scenario, embodiments of the present invention transmits a system message to the source base station through the target base station, the message carrying the encrypted parameter and encryption carrier indicator of the carrier, the source base station forwards the message system to the UE, the message system carrying encrypted encryption parameters and carrier indicator of the carrier, so as to ensure the consistency of the security key used between the UE and the base station. [0080] 参照图5,是本发明实施例的多载波聚合场景下的切换方法流程图,为了保证目标基站和UE获得NAS级别移动性参数的一致性,UE在空闲状态下,读取所驻留下行载波的系统消息,获取NAS级别的移动性参数,基站将该NAS级别的移动性参数转发给MME,包括:[0081] 601、UE在空闲状态下,读取该UE所驻留的下行载波的系统消息,获取NAS 级别的移动性参数;[0082] 其中,该系统消息为基站广播发送,UE获取的。 [0080] Referring to FIG. 5, is a handover method in a multi-carrier aggregation scenario of the embodiment of the present invention a flowchart, in order to ensure consistency of the target base station and the UE NAS level obtained mobility parameters, UE in the idle state, the reading in leaving a message line carrier system, the level of acquired NAS mobility parameters, the base station level of the NAS mobility parameters forwarded to the MME, comprising: [0081] 601, UE in the idle state, the UE reads a downlink resides system message carrier, acquired NAS level mobility parameter; [0082] wherein the base station transmits a broadcast system message, the UE acquired. [0083] 602、UE向基站发送RRC连接请求消息;[0084] 603、基站向UE发送RRC连接建立消息;[0085] 604、基站将该NAS级别的移动性参数转发给MME。 [0083] 602, UE transmits RRC connection request message to the base station; [0084] 603, the base station sends an RRC connection setup message to the UE; [0085] 604, the base station level of the NAS mobility parameters forwarded to the MME. [0086] 在载波聚合场景下,本发明实施例通过、UE在空闲状态下,读取该UE所驻留的下行载波的系统消息,获取NAS级别的移动性参数,基站将该NAS级别的移动性参数转发给MME,从而保证MME与UE使用相同的移动性参数,进行计费与定位。 [0086] in a carrier aggregation scenario, embodiments of the present invention by, UE in the idle state, the system reads the message of the downlink carrier of the UE resides, acquired NAS level mobility parameters, the mobile station NAS level parameter forwarded to the MME, the MME and the UE to ensure the same mobility parameters, billing and location. [0087] 参照图7,是本发明实施例的多载波聚合场景下的切换方法流程图,为了保证在MME实体中使用该载波的NAS级别的移动性参数的一致性,选择一个载波作为UE获取NAS级别的移动性参数,包括:[0088] 701、UE向基站发送RRC连接请求消息;[0089] 702、基站向UE发送RRC连接建立消息;[0090] 703、UE与基站建立初始RRC连接,获取NAS级别的移动性参数,包括:[0091] 基站通过RRC连接建立消息隐式或的显示携带指示一个载波作为UE获取NAS 级别的移动性参数的载波。 [0087] Referring to FIG. 7, is a handover method in a multi-carrier aggregation scenario embodiment of the present invention, a flowchart embodiment, in order to ensure consistency in the use of the carrier mobility entity MME NAS level parameters, selecting a carrier as the UE acquires NAS level mobility parameter, comprising: [0088] 701, UE transmits RRC connection request message to a base station; [0089] 702, the base station sends an RRC connection setup message to the UE; [0090] 703, UE establish an initial RRC connection with a base station, Get NAS level mobility parameter, comprising: [0091] RRC connection setup message by the base station implicitly carry an indication or display as a carrier mobility parameters acquired UE NAS carrier level. [0092] 其中,基站通过RRC连接建立消息隐式携带指示一个载波作为UE获取NAS级别的移动性参数的载波,该获取NAS级别的移动性参数的载波可以为服务聚合小区系统消息或专用连接建立消息中聚合信息列表中的指定位置载波;或者可以为服务聚合小区指定一个或多个服务小区列表中的指定位置载波,或者可以为服务聚合小区资源分配载波列表中的指定位置载波;或者可以为在服务聚合小区内的与UE随机接入的上行载波配对的下行载波,基站通过专用信令或系统消息指示UE上下行载波的配对关系。 [0092] wherein the base station through an RRC connection setup message implicitly carries indicates a carrier as the carrier UE acquired NAS level mobility parameters, carrier of the acquired NAS level mobility parameters may be aggregated cell system message service or dedicated connection establishment message polymeric carrier information specified position in the list; or the polymerization cell can be specified for the service specified location or a plurality of carriers serving cell list, can be polymerized or specify the location of a cell-carrier resource allocation for service carriers in the list; or may downlink carriers within a cell serving the polymerization of UE random access uplink carrier paired, base pairing relationship message indicating that the UE uplink and downlink carriers through a dedicated signaling or system. [0093] 进一步,若是隐式携带指示一个载波作为UE获取NAS级别的移动性参数的载波,还可以在RRC连建立消息中增加更换获取NAS级别的移动性参数的载波的指示,用于指示是否需要更换获取NAS级别的移动性参数的载波。 [0093] Further, if an implicit indication of a carrier as the carrier carries UE acquired NAS level mobility parameters may also be increased even replacement setup message acquired NAS mobility parameter indicating the level of the carrier in the RRC, for indicating whether You need to replace the carrier acquisition NAS level mobility parameters. [0094] 其中,基站通过RRC连接建立消息显式携带指示一个载波作为UE获取NAS级别的移动性参数的载波,[0095] 704、UE通过读取该载波上的系统信息获取并保存NAS级别的移动性参数载波;[0096] 705、基站将NAS级别的移动性参数发送给MME;[0097] 706、MME根据NAS级别的移动性参数进行相关操作,例如计费或者定位。 [0094] wherein the base station through the RRC connection setup message carries an explicit indication of a carrier as the carrier mobility of the UE obtains the parameters of the NAS level, [0095] 704, UE reads system information on the carrier obtains and stores NAS level carrier mobility parameter; [0096] 705, the base station level of the NAS mobility parameter to the MME; [0097] 706, MME perform relevant operations according to the level of the NAS mobility parameters, such as billing or position. [0098] 本实施例还可以应用在多载波聚合场景下的切换过程中,RRC连接建立消息还可以为RRC连接重配置消息或者切换命令或者载波无线资源更新或者激活载波集合更新8或者服务小区集更新。 [0098] The present embodiment may also be applied in a handover process in a multi-carrier aggregation scenario, the RRC connection establishment message may also be a RRC connection reconfiguration message or a handover command or a radio resource update or carrier activated carrier set or serving cell set update 8 update. [0099] 在载波聚合场景下,本发明实施例通过UE与基站建立初始RRC连接,获取NAS级别的移动性参数,基站将该NAS级别的移动性参数转发给MME,从而保证MME 与UE使用相同的移动性参数,进行计费与定位。 [0099] in a carrier aggregation scenario, embodiments of the present invention, the initial RRC connection mobility acquired NAS level parameter, the level of the base station forwards the NAS mobility parameters established by the UE to the MME with a base station, MME and the UE to ensure the same mobility parameters, billing and location. [0100] 若应用在多载波聚合场景下的切换过程中,RRC连接建立消息还可以为RRC连接重配置消息,即本发明实施例通过UE与基站切换过程中,通过RRC连接重配置消息获取NAS级别的移动性参数,基站将该NAS级别的移动性参数转发给MME,从而保证MME与UE使用相同的移动性参数,进行计费与定位。 [0100] If the application of the handover process in a multi-carrier aggregation scenario, the RRC connection establishment message may also be a RRC connection reconfiguration message, i.e. the embodiments of the UE and the base station handover process according to the present invention, the RRC connection reconfiguration message acquired NAS level mobility parameters, the base station to the MME forwards the NAS level mobility parameters, so as to ensure the same MME and the UE mobility parameters, billing and location. [0101] 图8为本发明实施例多载波聚合场景下的切换装置结构示意图,包括:[0102] 获取模块801,用于获取新加密密钥KeNB* ;[0103] 收发模块802,用于向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、获取模块获取的所述推荐使用目标载波对应的新加密密钥KeNB* ;或者用于源基站将所述加密载波指示及加密载波的加密参数转发给UE ;[0104] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0101] Figure 8 a schematic view of the structure of the switching device according to the embodiment of the multi-carrier aggregation scenario of the present invention, comprising: [0102] obtaining module 801, configured to obtain a new encryption key KeNB *; [0103] 802 transceiver module, configured to recommended target base station sends the target carrier and encryption parameters recommended target carrier, acquiring module acquires the recommended new encryption key KeNB * corresponding to the target carrier; or a source base station for the encrypted encryption carrier and the carrier indicator encryption parameters forwarded to the UE; [0104] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommendation use KeNB * corresponding to the target carrier source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station. [0105] 图9为本发明实施例多载波聚合场景下的切换装置结构示意图,包括:[0106] 接收模块901,用于接收加密载波指示和加密载波的加密参数;[0107] 获取模块902,用于根据所述加密载波指示和加密载波参数获得加密密钥。 [0105] FIG. 9 is a schematic structure of a switching device according to the embodiment of the multi-carrier aggregation scenario of the present invention, comprising: [0106] a receiving module 901, for receiving the encrypted encryption parameters and the encryption carrier indicator of the carrier; [0107] 902 acquisition module, for obtaining the encryption key from the encrypted encryption carrier and the carrier indicator parameter. [0108] 在载波聚合场景下,本发明实施例通过源基站向目标基站发送请求消息,该请求消息携带推荐使用的目标载波和推荐使用目标载波的加密参数、该推荐使用目标载波对应的KeNB*源基站接收请求应答消息,该消息中指示携带加密载波及加密载波的加密参数,源基站将所述加密载波及加密载波的加密参数转发给UE。 [0108] in a carrier aggregation scenario, embodiments of the present invention, sends a request message to the target base station via the source base station, the request message carries the target carrier and recommended recommended use encryption parameters of the target carrier, the recommended target carrier corresponding KeNB * the source base station receives the request response message, the message carries the encryption parameters indicating encryption of the carrier and the carrier encryption, the encrypted encryption source base station, and encryption parameters carrier carrier forwards to the UE. 从而保证在切换过程中,UE与基站之间使用安全密钥的一致性。 To ensure that during the handover process, the consistency of the security key used between the UE and the base station. [0109] 通过以上的各实施例的描述,本领域的技术人员可以清楚地了解到本发明可借助软件及必需的通用硬件平台的方式来实现,当然,也可以通过硬件,但很多情况下前者是更佳的实施方式。 [0109] By the above described embodiments, those skilled in the art may clearly understand that the present invention may be implemented by software and a necessary universal hardware platform, of course, also be implemented by hardware, but in most cases the former It is a better implementation. 基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例该的方法。 Based on such understanding, the technical solutions of the present invention in essence or the part contributing to the prior art may be embodied in a software product, which computer software product is stored in a storage medium and includes several instructions to enable a a computer device (may be a personal computer, a server, or network device) embodiment of the method of performing various embodiments of the present invention. [0110] 虽然通过参照本发明的某些优选实施方式,已经对本发明进行了图示和描述, 但本领域的普通技术人员应该明白,可以在形式上和细节上对其作各种改变,而不偏离本发明的精神和范围。 [0110] While the invention has been shown and described with reference to certain preferred embodiments of the present invention, but those of ordinary skill in the art should be understood that various changes may be made thereto in form and details without departing from the spirit and scope of the invention.

Claims (5)

1. 一种多载波聚合场景下的切换方法,其特征在于,包括:源基站向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、所述推荐使用目标载波对应的新加密密钥KeNB* ;源基站将所述加密载波指示及加密载波的加密参数转发给UE。 A handover method in multi-carrier aggregation scenarios, characterized by comprising: a source base station transmits a recommended recommended target carrier and the target base station using the encryption parameter of the target carrier, the recommendation to use the new encryption corresponding to the target carrier key KeNB *; source base station ciphering parameter indicative of the carrier and the encrypted encryption carrier forwards to the UE.
2.根据权利要求1所述的方法,其特征在于,源基站将所述加密载波指示及加密载波的加密参数转发给UE包括:源基站显示指示所述加密载波及加密载波的加密参数,并向UE发送所述所述加密载波及加密载波的加密参数;或者源基站隐示指示所述加密载波及加密载波的加密参数。 2. The method according to claim 1, wherein the source base station forwards the encrypted encryption parameters indicating carrier to the UE, and encryption carrier comprising: a source base station ciphering parameter indicative of the display and the encrypted encryption carrier carrier, and the UE transmits the encrypted encryption parameters and the encryption carrier carrier; or implicit indication of the source base station and the encrypted encryption carrier carrier encryption parameters.
3. —种多载波聚合场景下的切换方法,其特征在于,包括: 接收加密载波指示和加密载波的加密参数;根据所述加密载波指示和加密载波参数获得加密密钥。 3 - Species handover method in multi-carrier aggregation scenarios, characterized by comprising: receiving an encrypted encryption and encryption parameters indicative carrier carrier; obtaining an encryption key according to the encryption indication and an encryption carrier carrier parameter.
4. 一种多载波聚合场景下的切换装置,其特征在于,包括: 获取模块,用于获取新加密密钥KeNB* ;收发模块,用于向目标基站发送推荐使用的目标载波和推荐使用目标载波的加密参数、获取模块获取的所述推荐使用目标载波对应的新加密密钥KeNB* ;或者用于源基站将所述加密载波指示及加密载波的加密参数转发给UE ; A switching device under the multi-carrier aggregation scenario, wherein, comprising: an acquiring module, for acquiring the new cryptographic key KeNB *; transceiving module, configured to send the target base station using the recommended target carrier and target recommended encryption parameters carriers acquiring module acquires the recommended new encryption key corresponding to the target carrier KeNB *; or a source base station, the encrypted encryption parameters indicative carrier and forwarded to the encryption carrier the UE;
5. —种用户终端,其特征在于,包括:接收模块,用于接收加密载波指示和加密载波的加密参数; 获取模块,用于根据所述加密载波指示和加密载波参数获得加密密钥。 5. - kind of user terminals, characterized by comprising: receiving means for receiving encrypted encryption parameters and the encryption carrier indicator of the carrier; acquiring module, for obtaining the encryption key from the encrypted encryption carrier and the carrier indicator parameter.
CN2009101907053A 2009-09-23 2009-09-23 Switching method and switching device under multi-carrier aggregation scene CN102026176A (en)

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CN102857911A (en) * 2012-06-29 2013-01-02 北京邮电大学 Positioning method, terminal and server
CN103188663A (en) * 2011-12-27 2013-07-03 华为技术有限公司 Secure communication method for carrier aggregation between base stations and equipment
WO2014040259A1 (en) * 2012-09-13 2014-03-20 华为技术有限公司 Radio resource control connection reestablishment method, device and network system
US8953541B2 (en) 2010-03-10 2015-02-10 Huawei Technologies Co., Ltd. Method, user equipment, base station, and system for detecting sharing of timing advance value
CN104936174A (en) * 2014-03-21 2015-09-23 上海贝尔股份有限公司 Method of updating secret key under condition of double connections based on user plane 1A configuration
CN105309007A (en) * 2013-04-05 2016-02-03 诺基亚通信公司 Avoid key mismatch in security handling for multi frequency band
CN106105143A (en) * 2014-03-21 2016-11-09 太阳专利信托公司 Security key in dual link is derived

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US8953541B2 (en) 2010-03-10 2015-02-10 Huawei Technologies Co., Ltd. Method, user equipment, base station, and system for detecting sharing of timing advance value
CN103188663B (en) * 2011-12-27 2016-08-03 华为技术有限公司 The safe communication method of carrier aggregation and equipment between base station
CN103188663A (en) * 2011-12-27 2013-07-03 华为技术有限公司 Secure communication method for carrier aggregation between base stations and equipment
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US9686680B2 (en) 2011-12-27 2017-06-20 Huawei Technologies Co., Ltd. Method and apparatus for security communication of carrier aggregation between base stations
US9467849B2 (en) 2011-12-27 2016-10-11 Huawei Technologies Co., Ltd. Method and apparatus for security communication of carrier aggregation between base stations
US10412582B2 (en) 2011-12-27 2019-09-10 Huawei Technologies Co., Ltd. Method and apparatus for security communication of carrier aggregation between base stations
CN102857911B (en) * 2012-06-29 2015-07-15 北京邮电大学 Positioning method, terminal and server
CN102857911A (en) * 2012-06-29 2013-01-02 北京邮电大学 Positioning method, terminal and server
CN103858485A (en) * 2012-09-13 2014-06-11 华为技术有限公司 Radio resource control connection reestablishment method, device and network system
WO2014040259A1 (en) * 2012-09-13 2014-03-20 华为技术有限公司 Radio resource control connection reestablishment method, device and network system
CN105309007B (en) * 2013-04-05 2019-04-26 诺基亚技术有限公司 Key mismatch is avoided in the safe handling for multiband
CN105309007A (en) * 2013-04-05 2016-02-03 诺基亚通信公司 Avoid key mismatch in security handling for multi frequency band
CN104936174A (en) * 2014-03-21 2015-09-23 上海贝尔股份有限公司 Method of updating secret key under condition of double connections based on user plane 1A configuration
CN106105143B (en) * 2014-03-21 2019-06-04 太阳专利信托公司 Security key in dual link derives
US10321308B2 (en) 2014-03-21 2019-06-11 Alcatel Lucent Method of refreshing a key in a user plane architecture 1A based dual connectivity situation
US10397269B2 (en) 2014-03-21 2019-08-27 Sun Patent Trust Security key derivation in dual connectivity
CN106105143A (en) * 2014-03-21 2016-11-09 太阳专利信托公司 Security key in dual link is derived

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