WO2010126298A2 - 기지국의 반송파 관리 장치, 반송파 관리 방법, 단말 및 단말의 반송파 관리 방법 - Google Patents
기지국의 반송파 관리 장치, 반송파 관리 방법, 단말 및 단말의 반송파 관리 방법 Download PDFInfo
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- WO2010126298A2 WO2010126298A2 PCT/KR2010/002677 KR2010002677W WO2010126298A2 WO 2010126298 A2 WO2010126298 A2 WO 2010126298A2 KR 2010002677 W KR2010002677 W KR 2010002677W WO 2010126298 A2 WO2010126298 A2 WO 2010126298A2
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- Prior art keywords
- carrier
- primary carrier
- change
- terminal
- base station
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- 238000007726 management method Methods 0.000 title claims abstract description 43
- 230000008859 change Effects 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims abstract description 62
- 239000000969 carrier Substances 0.000 claims abstract description 25
- 230000004913 activation Effects 0.000 claims description 20
- 230000009849 deactivation Effects 0.000 claims description 17
- 238000012508 change request Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 11
- 238000013070 change management Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
Definitions
- the present invention relates to a carrier management apparatus of a base station, a carrier management method, a terminal and a carrier management method of the terminal.
- a terminal and a base station may operate a plurality of carriers for data transmission band extension, which is called a multi carrier.
- carriers are classified into two types, one of which is a primary carrier and the other of which is a secondary carrier.
- the primary carrier is a carrier for transmitting and receiving various control information and data between the base station and the user equipment, and one of several carriers may be used as the primary carrier.
- the secondary carrier is a carrier for data transmission band extension in the state of transmitting and receiving control information through the primary carrier. At this time, resource allocation information for all carriers is transmitted through the primary carrier, and after receiving the resource allocation information of the primary carrier, the terminal determines whether data of the secondary carrier is transmitted and processes the corresponding data.
- the primary carrier and the secondary carrier of the terminal can be changed during operation due to load distribution and channel change.
- An object of the present invention is to provide an efficient procedure for changing the operating state of the carrier of the terminal in a wireless access system supporting multiple carriers.
- a carrier management method a method in which a terminal supporting multiple carriers manages a main carrier, receiving a main carrier change command from a base station, and using the main carrier as a target main carrier from a serving main carrier The step of changing to.
- the primary carrier change command may be received through a carrier management command (AAI_CM_CMD) message.
- AI_CM_CMD carrier management command
- the AAI_CM_CMD message includes a target primary carrier index field, an indication of the next state of serving primary carrier field, an action time (AT) field, and ranging It may include at least one of the ranging indicator field.
- next state field of the serving primary carrier is set to '1', the serving primary carrier before the change remains active as a secondary carrier after the changing step, and the next state field of the serving primary carrier is' If set to 0 ', the serving primary carrier may be deactivated after the changing step.
- the new carrier index of the serving primary carrier is assigned to the previous carrier index of the target primary carrier, and the new carrier index of the target primary carrier is the previous carrier index of the serving primary carrier. Can be assigned.
- Preparation for receiving data and control information may be completed on the target primary carrier by the time indicated by the operation time field.
- the method may further include performing ranging according to the ranging indicator field before the time indicated by the operation time field.
- the AAI_CM_CMD message may include an action code field used to distinguish at least one of a change of the primary carrier and a change of the activation and deactivation states of the secondary carrier.
- the method may further include transmitting a message informing the base station of the change.
- the transmitting of the message may be performed when the target primary carrier is in an inactive state.
- the message informing the base station of the change may be delivered through a carrier change indication message (called AAI_CC_IND).
- the changing may be performed without a scanning operation when the target primary carrier is in an active state.
- the changing may be performed after scanning the target primary carrier when the target primary carrier is in an inactive state.
- the method may further include transmitting a request for changing the primary carrier to the base station.
- the primary carrier change request may be transmitted through a carrier change request (AAI_CC_REQ), and the AAI_CC_REQ message may include a candidate list of the target primary carrier.
- AAI_CC_REQ carrier change request
- the method may further include transmitting an acknowledgment for the primary carrier change command to the base station.
- a base station supporting multiple carriers manages a primary carrier, transmitting and receiving a control signal with the terminal using a serving primary carrier, and commanding a terminal to change a primary carrier. Transmitting a step.
- the primary carrier change command may be transmitted through a carrier management command (AAI_CC_CMD) message.
- AI_CC_CMD carrier management command
- the AAI_CM_CMD message includes a target primary carrier index field, an indication of the next state of serving primary carrier field, an action time (AT) field, and ranging It may include at least one of the ranging indicator field.
- next state field of the serving primary carrier is set to '1', the serving primary carrier before the change remains active as a secondary carrier after the changing step, and the next state field of the serving primary carrier is' If set to 0 ', the serving primary carrier may be deactivated after the changing step.
- the new carrier index of the serving primary carrier is assigned to the previous carrier index of the target primary carrier, and the new carrier index of the target primary carrier is the previous carrier index of the serving primary carrier. Can be assigned.
- the method may further include completing preparation for receiving data and control information on the target primary carrier until the time indicated by the operation time field.
- the method may further include performing ranging according to the ranging indicator field before the time indicated by the operation time field.
- the AAI_CM_CMD message may include an action code field used to distinguish at least one of a change of the primary carrier and a change of the activation and deactivation states of the secondary carrier.
- the method may further include receiving a message indicating that the main carrier has been changed from a serving main carrier to a target main carrier from the terminal.
- Receiving a message indicating that the primary carrier has been changed from the terminal may be performed when the target primary carrier is inactive.
- the message indicating that the primary carrier has been changed may be received through a carrier change indication message (called AAI_CC_IND).
- the method may further include requesting scanning of the target primary carrier, and receiving the scanning result from the terminal.
- the method may further include receiving a scanning request (AAI_SCN_REQ) message from the terminal, and transmitting a scanning response (AAI_SCN_RSP) message to the terminal.
- a scanning request (AAI_SCN_REQ) message from the terminal
- a scanning response (AAI_SCN_RSP) message to the terminal.
- the AAI_SCN_REQ message may include scanning interval information and a carrier index field of an active carrier to be used for the scanning.
- the AAI_SCN_RSP message may include scanning interval information and a carrier index field of an active carrier to be used for the scanning.
- the method may further include receiving a request for changing the primary carrier from the terminal.
- the primary carrier change request may be transmitted through a carrier change request (AAI_CC_REQ), and the AAI_CC_REQ message may include a candidate list of the target primary carrier.
- AAI_CC_REQ carrier change request
- the method may further include receiving an acknowledgment for the primary carrier change command from the terminal.
- a terminal is a terminal supporting a medium carrier, a receiving unit for receiving a primary carrier change command from a base station, and changing a primary carrier from a serving primary carrier to a target primary carrier according to the primary carrier change command. It includes a change part.
- the apparatus may further include a change request unit which requests the base station to change the main carrier, and a scanning processor that scans the target main carrier when the target main carrier is in an inactive state.
- It may further include a command response unit for transmitting a message informing the base station of the change.
- a management apparatus of a base station is a management apparatus of a base station supporting multiple carriers, and includes a change command unit for transmitting a change command of a primary carrier to a terminal, and reception of the main carrier change command from the terminal. And a receiving unit for receiving the confirmation.
- the receiver may further receive a change result of the main carrier.
- a method of managing a secondary carrier by a terminal supporting multiple carriers includes receiving a state change command of activation and deactivation of a secondary carrier from a base station, and indicating a state of the secondary carrier. Changing, and transmitting a message informing the base station of the change.
- the method may further include receiving a request for scanning of the secondary carrier from the base station, and reporting the scanning result to the base station.
- a base station supporting multiple carriers manages a secondary carrier, transmitting a command for activating and deactivating a secondary carrier to a terminal, and changing the state of the secondary carrier. And receiving from the terminal.
- the method may further include requesting scanning of the secondary carrier and receiving a result of the scanning from the terminal.
- the transmission efficiency of the system can be improved by efficiently managing and changing the multiple carriers.
- FIG. 1 is a diagram schematically illustrating a mobile communication system according to an embodiment of the present invention.
- FIG. 2 is a block diagram schematically illustrating a terminal according to an embodiment of the present invention.
- FIG. 3 is a block diagram schematically illustrating an apparatus for managing a base station according to an embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a method of changing a primary carrier according to an embodiment of the present invention.
- FIG. 5 is a flowchart illustrating a method of changing a primary carrier according to another embodiment of the present invention.
- FIG. 6 is a flowchart illustrating a method of changing a state of an auxiliary carrier according to an embodiment of the present invention.
- FIG. 7 is a flowchart illustrating a method of changing an activation state and an inactivation state of a secondary carrier according to another embodiment of the present invention.
- a terminal is a mobile station (MS), a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), a user equipment (User Equipment). It may also refer to a user equipment (UE), an access terminal (AT), and the like, and may include all or some functions of a terminal, a mobile terminal, a subscriber station, a portable subscriber station, a user device, an access terminal, and the like.
- a base station includes an access point (AP), a radio access station (RAS), a node B (Node B), an advanced node B (evolved NodeB, eNodeB), transmission and reception It may also refer to a base transceiver station (BTS), a mobile multihop relay (MMR) -BS, and the like. It may also include.
- AP access point
- RAS radio access station
- Node B node B
- evolved NodeB evolved NodeB, eNodeB
- BTS base transceiver station
- MMR mobile multihop relay
- FIG. 1 is a diagram schematically illustrating a mobile communication system according to an embodiment of the present invention
- FIG. 2 is a block diagram schematically illustrating a terminal according to an embodiment of the present invention
- FIG. 3 is a diagram of one embodiment of the present invention.
- a mobile communication system includes terminals 100, 101, and 102 and a base station 200.
- the terminal 100 transmits and receives data and control signals by accessing the base station 200, and the base station 200 allocates resources to the terminal 100 and transmits and receives data and control signals with the terminal 100.
- the terminal 100 includes a transmitter 110 and a receiver 120.
- the transmitter 110 transmits a message related to carrier management to the base station 200, and includes a change request unit 111, a change unit 112, a command response unit 113, and a scanning processor 114.
- the change request unit 111 requests the base station 200 to change the primary carrier or to change the activation and deactivation states of the secondary carrier. This change request is delivered through a carrier change request (hereinafter referred to as 'AAI_CC_REQ') message.
- 'AAI_CC_REQ' carrier change request
- the changer 112 changes the primary carrier or changes the activated and deactivated states of the secondary carrier according to the command of the base station 200.
- the command response unit 113 receives a main carrier change command or a secondary carrier activation and deactivation state change command from the base station 200, and then transmits a completion response to the related operation to the base station 200. This response is delivered through a carrier change indication (hereinafter referred to as 'AAI_CC_IND') message.
- 'AAI_CC_IND' carrier change indication
- the scanning processor 114 requests to scan the corresponding carrier when the carrier to be changed to the primary carrier is in an inactive state, or reports the scanning result to the base station 200. Such a request is transmitted through a scanning request (hereinafter referred to as 'AAI_SCN_REQ') message, and the scanning result is transmitted through a scanning report (hereinafter referred to as 'AAI_SCN_REP') message.
- 'AAI_SCN_REQ' a scanning request
- 'AAI_SCN_REP' scanning report
- the receiver 120 receives a change command of the primary carrier or an enable and disable state change command of the secondary carrier from the base station 200. In addition, the receiver 120 may receive a scanning response to the scanning request from the base station 200.
- the base station management apparatus 201 is a part included in the base station 200 and manages carrier operation of the base station.
- the base station management device 201 includes a transmitter 211 and a receiver 212.
- the transmitter 211 includes a change command unit 213 and a scanning processor 214.
- the change command unit 213 commands the terminal 100 to change the primary carrier or to change the activation and deactivation states of the secondary carrier. This command is transmitted through a carrier management command (hereinafter, referred to as 'AAI_CC_CMD') message.
- 'AAI_CC_CMD' carrier management command
- the scanning processor 214 transmits a scanning response to the scanning request from the terminal 100. This response is delivered through a scanning response (hereinafter referred to as 'AAI_SCN_RSP') message.
- the receiver 212 receives an AAI_CC_REQ message, an AAI_CC_IND message, an AAI_SCN_REQ message, and an AAI_SCN_REP message from the terminal 100.
- FIG. 4 is a flowchart illustrating a method of changing a primary carrier according to an embodiment of the present invention.
- the terminal 100 and the base station 200 transmits and receives a control signal (S411). Then, the terminal 100 makes a carrier change request for changing the primary carrier from the serving primary carrier (SC) to the target primary carrier (TC) as necessary (S412). Step S412 is performed through an AAI_CC_REQ message.
- the AAI_CC_REQ message may include a candidate carrier list for the target primary carrier (TC).
- Step S413 is performed through an AAI_CM_CMD message.
- the AAI_CM_CMD message includes a target primary carrier index field, an indication of the next state of serving primary carrier field, an action time (AT) field, and a ranging indicator ( ranging indicator) field.
- the next state indication of the serving primary carrier is always set to '0'.
- the operation time (AT) means a time when the terminal 100 changes to a target main carrier and a time to be ready to communicate through the target main carrier. If the 'next state indication field of the serving primary carrier' is set to '1', the previous primary carrier remains active as a secondary carrier even after the change. If the 'next state indication field of the serving primary carrier' is set to '0', the previous primary carrier is deactivated after the primary carrier change procedure.
- the new 'target primary carrier index field' of the previous primary carrier is automatically assigned to the previous 'target primary carrier index field' of the new primary carrier.
- the terminal 100 may complete preparation of receiving data and control information on the target primary carrier until the time indicated by the operation time field, and the terminal 100 may lane according to the ranging indicator field if necessary before the time indicated by the operation time field. Gong can be performed.
- the AAI_CM_CMD message may be used for a purpose other than the message for the primary carrier change.
- the action code field included in the AAI_CM_CMD message is set to '1', the AAI_CM_CMD message is used for the primary carrier change. It is available.
- the terminal 100 changes the main carrier from the current main carrier SC to the target main carrier TC at the operation time AT.
- the terminal 100 transmits an MSG acknowledgment for the carrier change command to the base station 200 (S414).
- Step S415 is conveyed through the AAI_CC_IND message.
- the base station 200 recognizes that the main carrier change procedure is completed by receiving the AAI_CC_IND message.
- the terminal 100 and the base station 200 transmit and receive a control signal through the target main carrier TC (S416).
- the terminal 100 may transmit a bandwidth request message having a zero required bandwidth size to the base station 200.
- the base station 200 receives the band request message from the terminal through the target main carrier TC, the base station 200 considers that the change is completed to the target main carrier TC and uses the target main carrier TC to transmit data and the data of the terminal 100.
- the control signal can be transmitted.
- the procedure as shown in FIG. 4 is a case where any one of activated secondary carriers of the terminal 100 is used as a target primary carrier (TC).
- the target primary carrier (TC) is limited to a carrier on which all control channels are fully configured to enable independent wireless access among the assigned carriers negotiated between the terminal 100 and the base station 200.
- FIG. 5 is a flowchart illustrating a method of changing a primary carrier according to another embodiment of the present invention.
- the terminal 100 and the base station 200 transmit and receive control signals (S511). Then, the terminal 100 transmits a carrier change request for changing the primary carrier from the serving primary carrier to the target primary carrier as necessary (S512). Step S512 is performed through an AAI_CC_REQ message.
- the target main carrier TC is a deactivated carrier
- channel measurement may be performed on the deactivated target main carrier TC before the change of the main carrier.
- the base station 200 transmits a scanning command to the terminal 100 through an AAI_SCN_RSP message (S513).
- the AAI_SCN_RSP message includes a list of carriers requiring channel measurement information, and the list of carriers may be a subset of the inactive carrier of the terminal 100.
- the terminal 100 sends a request to the base station 200 to stop the other communication and perform scanning through the AAI_SCN_REQ message to the base station 200 (S514).
- the base station 200 transmits a response to the terminal 100 through the AAI_SCN_RSP message (S515).
- the terminal 100 transmits a report on the scanning result to the base station 200 through an AAI_SCN_REP message (S516).
- the base station 200 may determine whether to change the primary carrier through the report on the scanning result.
- the base station 200 issues a carrier change command to the terminal 100 through an AAI_CM_CMD message (S517), and the terminal 100 confirms receipt of a carrier change command to the base station 200 ( MSG acknowledgment (S518), the terminal 100 transmits a carrier change indication to the base station 200 through the AAI_CC_IND message (S518), the terminal 100 and the base station 200 has changed the target primary carrier (TC) And transmits and receives a control signal (S519).
- MSG acknowledgment MSG acknowledgment
- the terminal 100 transmits a carrier change indication to the base station 200 through the AAI_CC_IND message (S518)
- the terminal 100 and the base station 200 has changed the target primary carrier (TC) And transmits and receives a control signal (S519).
- FIG. 6 is a flowchart illustrating a method of changing a state of an auxiliary carrier according to an embodiment of the present invention.
- the terminal 100 and the base station 200 transmits and receives a control signal (S611). Then, the terminal 100 makes a request for changing a carrier activation and deactivation state to the base station 200 as necessary (S612). Step S612 is performed through an AAI_CC_REQ message.
- Step S613 is performed through an AAI_CM_CMD message.
- the AAI_CM_CMD message includes a physical carrier index of the target secondary carrier field, a logical carrier index of the target secondary carrier field, a ranging indicator, and a ranging indicator. It may include an action time. If a dedicated ranging code is included in the AAI_CM_CMD message, ranging is performed using the secondary carrier to be activated using the dedicated ranging code. In this case, the fixed ranging code of the base station 200 may be used as a means for confirming that activation of the secondary carrier has been successfully completed.
- the terminal 100 transmits an MSG acknowledgment for a carrier change command to the base station 200 (S614).
- the terminal 100 transmits a carrier activation and deactivation state change indication to the base station 200 through an AAI_CC_IND message.
- the terminal 100 and the base station 200 transmit and receive control signals (S616).
- FIG. 7 is a flowchart illustrating a method of changing an activation state and an inactivation state of a secondary carrier according to another embodiment of the present invention.
- the terminal 100 and the base station 200 transmit and receive control signals (S711). Then, the terminal 100 requests the base station 200 to change the secondary carrier activation and deactivation state of the AAI_CC_REQ message (S712).
- the base station 200 transmits a scanning command to the terminal 100 through an AAI_SCN_RSP message (S713).
- the terminal 100 transmits a request for stopping other communication and performing scanning to the base station 200 to the base station 200 through an AAI_SCN_REQ message (S714). Then, the base station 200 transmits a response to the terminal 100 through the AAI_SCN_RSP message (S715). The terminal 100 transmits a report on the scanning result to the base station 200 through an AAI_SCN_REP message (S716).
- the base station 200 commands a secondary carrier activation and deactivation state change command to the terminal 100 through an AAI_CM_CMD message (S717), and the terminal 100 acknowledges a carrier change command to the base station 200 (MSG acknowledgement). (S718), the terminal 100 transmits a secondary carrier activation and deactivation state change indication to the base station 200 through the AAI_CC_IND message (S719), the terminal 100 and the base station 200 transmits and receives a control signal (S720).
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Abstract
Description
Claims (43)
- 다중 반송파를 지원하는 단말이 주 반송파를 관리하는 방법으로서,기지국으로부터 주 반송파 변경 명령을 수신하는 단계, 그리고상기 주 반송파를 서빙 주 반송파로부터 목표 주 반송파로 변경하는 단계를 포함하는 관리 방법.
- 제1항에서,상기 주 반송파 변경 명령은 반송파 관리 명령(carrier management command, AAI_CM_CMD) 메시지를 통하여 수신되는 관리 방법.
- 제2항에서,상기 AAI_CM_CMD 메시지는,목표 주 반송파 인덱스(target primary carrier index) 필드,서빙 주 반송파의 다음 상태 표시(indication of the next state of serving primary carrier) 필드,동작 시간(action time, AT) 필드, 그리고레인징 지시자(ranging indicator) 필드중 적어도 하나를 포함하는 관리 방법.
- 제3항에서,상기 서빙 주 반송파의 다음 상태 필드가 '1'로 설정되어 있는 경우, 변경되기 전의 상기 서빙 주 반송파는 상기 변경하는 단계 이후에 보조 반송파로서 활성화를 유지하고,상기 서빙 주 반송파의 다음 상태 필드가 '0'으로 설정되어 있는 경우, 상기 서빙 주 반송파는 상기 변경하는 단계 이후에 비활성화되는관리 방법.
- 제4항에서,상기 변경하는 단계 이후에,상기 서빙 주 반송파의 새로운 반송파 인덱스(carrier index)는 상기 목표 주 반송파의 이전 반송파 인덱스로 할당되고,상기 목표 주 반송파의 새로운 반송파 인덱스는 상기 서빙 주 반송파의 이전 반송파 인덱스로 할당되는관리 방법.
- 제3항에서,상기 동작 시간 필드가 나타내는 시간까지 상기 목표 주 반송파로 데이터 및 제어 정보의 수신 준비를 완료하는 단계를 더 포함하는 관리 방법.
- 제3항에서,상기 동작 시간 필드가 나타내는 시간 전에 상기 레인징 지시자 필드에 따라 레인징을 수행하는 단계를 더 포함하는 관리 방법.
- 제2항에서,상기 AAI_CM_CMD 메시지는 상기 주 반송파의 변경 및 보조 반송파의 활성화 및 비활성화 상태 변경 중 적어도 하나의 동작을 구분하기 위하여 사용되는 동작 코드(action code) 필드를 포함하는 관리 방법.
- 제1항에서,상기 변경을 상기 기지국에 알리는 메시지를 송신하는 단계를 더 포함하는 관리 방법.
- 제9항에서,상기 메시지를 송신하는 단계는, 상기 목표 주 반송파가 비활성화 상태인 경우 수행되는 관리 방법.
- 제9항에서,상기 변경을 상기 기지국에 알리는 메시지는 반송파 변경 표시 메시지(carrier change indication, AAI_CC_IND라고 한다)를 통하여 전달되는 관리 방법.
- 제1항에서,상기 변경하는 단계는,상기 목표 주 반송파가 활성화 상태인 경우 스캐닝 작업 없이 수행되는 관리 방법.
- 제1항에서,상기 변경하는 단계는,상기 목표 주 반송파가 비활성화 상태인 경우, 상기 목표 주 반송파를 스캐닝한 후에 수행되는 관리 방법.
- 제1항에서,상기 기지국에게 상기 주 반송파 변경의 요청을 송신하는 단계를 더 포함하는 관리 방법.
- 제12항에서,상기 주 반송파 변경의 요청은 변경 요청 메시지(carrier change request, AAI_CC_REQ)를 통하여 전달되며, 상기 AAI_CC_REQ 메시지는 상기 목표 주 반송파의 후보 목록을 포함하는 관리 방법.
- 제1항에서,상기 주 반송파 변경 명령에 대한 수신 확인을 상기 기지국에 송신하는 단계를 더 포함하는 관리 방법.
- 다중 반송파를 지원하는 기지국이 주 반송파를 관리하는 방법으로서,서빙 주 반송파를 이용하여 상기 단말과 제어 신호를 송수신하는 단계, 그리고단말에게 주 반송파 변경 명령을 송신하는 단계를 포함하는 관리 방법.
- 제17항에서,상기 주 반송파 변경 명령은 반송파 관리 명령(carrier management command, AAI_CC_CMD) 메시지를 통하여 송신하는 관리 방법.
- 제17항에서,상기 AAI_CM_CMD 메시지는,목표 주 반송파 인덱스(target primary carrier index) 필드,서빙 주 반송파의 다음 상태 표시(indication of the next state of serving primary carrier) 필드,동작 시간(action time, AT) 필드, 그리고레인징 지시자(ranging indicator) 필드중 적어도 하나를 포함하는 관리 방법.
- 제19항에서,상기 서빙 주 반송파의 다음 상태 필드가 '1'로 설정되어 있는 경우, 변경되기 전의 상기 서빙 주 반송파는 상기 변경하는 단계 이후에 보조 반송파로서 활성화를 유지하고,상기 서빙 주 반송파의 다음 상태 필드가 '0'으로 설정되어 있는 경우, 상기 서빙 주 반송파는 상기 변경하는 단계 이후에 비활성화되는관리 방법.
- 제20항에서,상기 변경하는 단계 이후에,상기 서빙 주 반송파의 새로운 반송파 인덱스(carrier index)는 상기 목표 주 반송파의 이전 반송파 인덱스로 할당되고,상기 목표 주 반송파의 새로운 반송파 인덱스는 상기 서빙 주 반송파의 이전 반송파 인덱스로 할당되는관리 방법.
- 제19항에서,상기 동작 시간 필드가 나타내는 시간까지 상기 목표 주 반송파로 데이터 및 제어 정보의 수신 준비를 완료하는 단계를 더 포함하는 관리 방법.
- 제19항에서,상기 동작 시간 필드가 나타내는 시간 전에 상기 레인징 지시자 필드에 따라 레인징을 수행하는 단계를 더 포함하는 관리 방법.
- 제18항에서,상기 AAI_CM_CMD 메시지는 상기 주 반송파의 변경 및 보조 반송파의 활성화 및 비활성화 상태 변경 중 적어도 하나의 동작을 구분하기 위하여 사용되는 동작 코드(action code) 필드를 포함하는 관리 방법.
- 제17항에서,서빙 주 반송파로부터 목표 주 반송파로 상기 주 반송파가 변경되었음을 알리는 메시지를 상기 단말로부터 수신하는 단계를 더 포함하는 관리 방법.
- 제25항에서,상기 주 반송파가 변경되었음을 알리는 메시지를 상기 단말로부터 수신하는단계는,상기 목표 주 반송파가 비활성화인 경우에 수행되는관리 방법.
- 제25항에서,상기 주 반송파가 변경되었음을 알리는 메시지는 반송파 변경 표시 메시지(carrier change indication, AAI_CC_IND라고 한다)를 통하여 수신되는 관리 방법.
- 제17항에서,상기 목표 주 반송파가 비활성화 상태인 경우, 상기 목표 주 반송파에 대한 스캐닝을 요청하는 단계, 그리고상기 단말로부터 상기 스캐닝 결과를 보고받는 단계를 더 포함하는 관리 방법.
- 제28항에서,상기 단말로부터 스캐닝 요청(scanning request, AAI_SCN_REQ) 메시지를 수신하는 단계, 그리고상기 단말에게 스캐닝 응답(scanning response, AAI_SCN_RSP) 메시지를 송신하는 단계를 더 포함하는 관리 방법.
- 제29항에서,상기 AAI_SCN_REQ 메시지는 스캐닝 간격(scanning interval) 정보 및 상기 스캐닝을 위해 사용될 활성화 반송파의 캐리어 인덱스 필드를 포함하는 관리 방법.
- 제29항에서,상기 AAI_SCN_RSP 메시지는 스캐닝 간격(scanning interval) 정보 및 상기 스캐닝을 위해 사용될 활성화 반송파의 캐리어 인덱스 필드를 포함하는 관리 방법.
- 제17항에서,상기 단말로부터 상기 주 반송파 변경의 요청을 수신하는 단계를 더 포함하는 관리 방법.
- 제32항에서,상기 주 반송파 변경의 요청은 변경 요청 메시지(carrier change request, AAI_CC_REQ)를 통하여 전달되며, 상기 AAI_CC_REQ 메시지는 상기 목표 주 반송파의 후보 목록을 포함하는 관리 방법.
- 제17항에서,상기 주 반송파 변경 명령에 대한 수신 확인을 상기 단말로부터 수신하는 단계를 더 포함하는 관리 방법.
- 다중 반송파를 지원하는 단말로서,기지국으로부터 주 반송파 변경 명령을 수신하는 수신부, 그리고상기 주 반송파 변경 명령에 따라 주 반송파를 서빙 주 반송파로부터 목표 주 반송파로 변경하는 변경부를 포함하는 단말.
- 제35항에서,상기 기지국에게 상기 주 반송파의 변경을 요청하는 변경 요청부, 그리고상기 목표 주 반송파가 비활성화 상태인 경우 상기 목표 주 반송파에 대한 스캐닝을 수행하는 스캐닝 처리부를 더 포함하는 단말.
- 제35항에서,상기 변경을 상기 기지국에 알리는 메시지를 송신하는 명령 응답부를 더 포함하는 단말
- 다중 반송파를 지원하는 기지국의 관리 장치로서,단말에게 주 반송파의 변경 명령을 송신하는 변경 명령부, 그리고상기 단말로부터 상기 주 반송파 변경 명령에 대한 수신 확인을 수신하는 수신부를 포함하는 기지국 관리 장치.
- 제38항에서,상기 수신부는 상기 주 반송파의 변경 결과를 더 수신하는 기지국 관리 장치.
- 다중 반송파를 지원하는 단말이 보조 반송파를 관리하는 방법으로서,기지국으로부터 보조 반송파의 활성화 및 비활성화의 상태 변경 명령을 수신하는 단계,상기 보조 반송파의 상태를 변경하는 단계, 그리고상기 변경을 상기 기지국에 알리는 메시지를 송신하는 단계를 포함하는 관리 방법.
- 제40항에서,상기 보조 반송파가 비활성화 상태인 경우, 상기 기지국으로부터 상기 보조 반송파에 대하여 스캐닝을 요청받는 단계, 그리고상기 기지국에게 상기 스캐닝의 결과를 보고하는 단계를 더 포함하는 관리 방법.
- 다중 반송파를 지원하는 기지국이 보조 반송파를 관리하는 방법으로서,단말에게 보조 반송파의 활성화 및 비활성화 상태 변경 명령을 송신하는 단계,상기 보조 반송파의 상태가 변경되었음을 상기 단말로부터 수신하는 단계를 포함하는 관리 방법.
- 제42항에서,상기 보조 반송파가 비활성화 상태인 경우, 상기 보조 반송파에 대하여 스캐닝을 요청하는 단계, 그리고상기 단말로부터 상기 스캐닝의 결과를 보고받는 단계를 더 포함하는 관리 방법.
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CN201080029070XA CN102804644A (zh) | 2009-04-28 | 2010-04-28 | 用于基站的载波管理设备、载波管理方法、移动站、以及用于移动站的载波管理方法 |
JP2012508399A JP5714566B2 (ja) | 2009-04-28 | 2010-04-28 | 基地局の搬送波管理装置、搬送波管理方法、端末および端末の搬送波管理方法 |
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See also references of EP2426834A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012529841A (ja) * | 2009-06-12 | 2012-11-22 | エルジー エレクトロニクス インコーポレイティド | 広帯域無線接続システムでの効率的なキャリア管理方法 |
JP2013500671A (ja) * | 2009-07-28 | 2013-01-07 | エルジー エレクトロニクス インコーポレイティド | 多重搬送波支援広帯域無線通信システムにおいて搬送波管理手順を行う方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5714566B2 (ja) | 2015-05-07 |
KR20100118538A (ko) | 2010-11-05 |
CN102804644A (zh) | 2012-11-28 |
US9877249B2 (en) | 2018-01-23 |
JP2012525758A (ja) | 2012-10-22 |
EP2426834A4 (en) | 2015-06-24 |
KR101472572B1 (ko) | 2014-12-17 |
US20120051309A1 (en) | 2012-03-01 |
EP2426834B1 (en) | 2017-11-08 |
WO2010126298A3 (ko) | 2011-01-27 |
EP2426834A2 (en) | 2012-03-07 |
TW201127111A (en) | 2011-08-01 |
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