WO2014101079A1 - Procédé de décision de transfert intercellulaire, station de base et équipement d'utilisateur - Google Patents

Procédé de décision de transfert intercellulaire, station de base et équipement d'utilisateur Download PDF

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Publication number
WO2014101079A1
WO2014101079A1 PCT/CN2012/087779 CN2012087779W WO2014101079A1 WO 2014101079 A1 WO2014101079 A1 WO 2014101079A1 CN 2012087779 W CN2012087779 W CN 2012087779W WO 2014101079 A1 WO2014101079 A1 WO 2014101079A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
reference signal
target cell
measurement result
serving cell
Prior art date
Application number
PCT/CN2012/087779
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English (en)
Chinese (zh)
Inventor
夏海涛
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/087779 priority Critical patent/WO2014101079A1/fr
Priority to CN201280023282.6A priority patent/CN104041124B/zh
Priority to CN201811469909.6A priority patent/CN109451545B/zh
Publication of WO2014101079A1 publication Critical patent/WO2014101079A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/03—Reselecting a link using a direct mode connection
    • 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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00835—Determination of neighbour cell lists

Definitions

  • the present invention relates to the field of communications, and more particularly to handover decision methods, base stations, and user equipment. Background technique
  • first UE User Equipment
  • second UE network routing for other UEs
  • PRA Proximity Radio Access
  • the second UE is in a location where the radio signal is poorly transmitted in the area covered by the macro network (for example, a weak coverage area) or the second UE is located in an area with a coverage hole, and there is no overlay deployment in the area.
  • the second UE may discover the first UE with a better radio transmission and reception signal between the network and establish a radio link connection with the first UE, and pass the first UE. Provides network routing access to the network.
  • the second UE When the second UE has accessed the serving cell of the first UE by using the radio link provided by the first UE, in the mobility scenario, for example, the first UE remains stationary, and the second UE is compared with the first UE.
  • the low speed moves, and keeps the radio link between the second UE and the first UE unchanged, but the second UE moves from the currently weak coverage or the cell with coverage vulnerability to another cell.
  • the first UE and the second UE are both moving at a certain speed, keeping the radio link between the second UE and the first UE unchanged, but the second UE moves from the current weak coverage or the cell with coverage vulnerability. Go to another cell.
  • the embodiment of the present invention provides a handover decision method, a user equipment, and a base station, which can implement handover of a user equipment that accesses the network through other user equipments during the mobile process, and ensures that the quality of service of the UE in the mobility process does not occur significantly. Downgrade.
  • a handover decision method comprising: receiving a first user equipment Receiving a reference signal measurement result of the serving cell of the first user equipment determined by the first user equipment, and receiving a reference signal measurement result of the target cell determined by the second user equipment and sent by the first user equipment And performing a handover decision on the second user equipment according to the reference signal measurement result of the serving cell and the reference signal measurement result of the target cell, where the target cell is the serving cell or the target cell is The neighboring cell of the serving cell, the second user equipment interacts with the communication network by using the first user equipment.
  • the specific implementation may be: if the result of the handover decision is to switch the second user equipment, if the target cell is a neighboring cell of the serving cell, send the location to the base station of the target cell. Context information of the second user equipment.
  • the specific implementation may be: sending a radio link connection release indication message to the first user equipment, where The wireless link connection release indication message is used to indicate that the second user equipment releases the wireless link connection with the first user equipment, establishing a connection with the target cell.
  • the specific implementation may be: the radio link connection release indication message is further configured to carry a user equipment indication, where the user equipment indicates And configured to instruct the first user equipment to send the radio link connection release indication message to the second user equipment.
  • the first measurement configuration information is used to indicate that the first user equipment determines a reference signal measurement result of the serving cell
  • the second measurement configuration information is used to indicate that the second user equipment determines the target cell Reference signal measurement results.
  • the specific implementation may be: the first measurement configuration information is further used to carry the identifier of the first user equipment, and Or the second measurement configuration information is further used to carry the indication information, where the identifier of the first user equipment is used to indicate that the first measurement configuration information is the first user equipment, and the indication information is used. Instructing the first user equipment to send the second measurement configuration information to the first Two user devices.
  • the second aspect provides a handover decision method, where the method includes: determining, by the first user equipment, a reference signal measurement result of the serving cell of the first user equipment, and receiving, by the second user equipment, a reference signal measurement result of the target cell; the first user equipment sends a reference signal measurement result of the serving cell and a reference signal measurement result of the target cell to a base station of the serving cell, and a reference signal of the serving cell.
  • the measurement result and the reference signal measurement result of the target cell are used by the base station of the serving cell to perform a handover decision on the second user equipment; where the target cell is the serving cell or the target cell is The neighboring cell of the serving cell, the second user equipment interacts with the communication network by using the first user equipment.
  • the specific implementation may be: the first user equipment receives a radio link connection release indication message sent by the base station of the serving cell; the first user equipment The wireless link connection release indication message is sent to the second user equipment, where the wireless link connection release indication message is used to indicate that the second user equipment releases the wireless link with the first user equipment. Connect to establish a connection with the target cell.
  • the radio link connection release indication message is further configured to carry a user equipment indication, where the user equipment indication is used to indicate the The first user equipment sends the radio link connection release indication message to the second user equipment according to the user equipment indication.
  • the first user equipment determines the Before the reference signal measurement result of the serving cell of the user equipment, the specific implementation may be: the first user equipment receives the first measurement configuration information and the second measurement configuration information sent by the base station of the serving cell;
  • the reference signal measurement result may be: determining, according to the first measurement configuration information, a reference signal measurement result of the serving cell; the first user equipment sending the second measurement configuration information to the second user equipment
  • the second measurement configuration information is used to instruct the second user equipment to determine a reference signal measurement result of the target cell.
  • the specific implementation may be: the first measurement configuration information is further used to carry the identifier of the first user equipment, and Or the second measurement configuration information is further used to carry the indication information, where the identifier of the first user equipment is used to indicate that the first measurement configuration information is information of the first user equipment, where The indication information is used to instruct the first user equipment to send the second measurement configuration information to the second user equipment.
  • a third aspect provides a handover decision method, where the method includes: determining, by the second user equipment, a reference signal measurement result of the target cell; and sending, by the second user equipment, the reference signal measurement result of the target cell to the first user equipment And determining, by the first user equipment, a reference signal measurement result of the serving cell of the first user equipment and a reference signal measurement result of the target cell by a base station of the serving cell, for the second user equipment Performing a handover decision; wherein, the target cell is the serving cell or the target cell is a neighboring cell of the serving cell, and the second user equipment interacts with the communication network by using the first user equipment.
  • the specific implementation may be: the second user equipment receives a radio link connection release indication message sent by the first user equipment;
  • the wireless link connection release indication message releases a wireless link connection with the first user equipment, establishing a connection with the target cell.
  • the specific implementation may be: The device receives the second measurement configuration information that is sent by the first user equipment, and the second user equipment determines the measurement result of the reference signal of the target cell, where the specific implementation may be: determining, according to the second measurement configuration information, the target cell Reference signal measurement results.
  • the fourth aspect provides a base station, where the base station includes: a receiving unit, configured to receive, by the first user equipment, a reference signal measurement result of the serving cell of the first user equipment determined by the first user equipment, Receiving, by the first user equipment, a reference signal measurement result of the target cell determined by the second user equipment, and a determining unit, configured to: according to the reference signal measurement result of the serving cell and the target received by the receiving unit
  • the reference signal measurement result of the cell is used to perform a handover decision on the second user equipment, where the target cell is the serving cell or the target cell is a neighboring cell of the serving cell, and the second user equipment passes The first user equipment interacts with a communication network.
  • the base station further includes: a first sending unit, configured to: if the result of the handover decision is to switch the second user equipment, When the target cell is a neighboring cell of the serving cell, the context information of the second user equipment is sent to the base station of the target cell.
  • the first sending unit is further configured to: send a radio link connection release indication message to the first user equipment, where the radio link connection release indication message is used to indicate that the second user equipment is released A wireless link connection between the first user equipment establishes a connection with the target cell.
  • the base station further includes: a unit, configured to send the first measurement configuration information and the second measurement configuration information to the first user equipment, where the first measurement configuration information is used to instruct the first user equipment to determine a reference signal measurement result of the serving cell The second measurement configuration information is used to instruct the second user equipment to determine a reference signal measurement result of the target cell.
  • a first user equipment includes: a determining unit, configured to determine a reference signal measurement result of the serving cell of the first user equipment; and a receiving unit, configured to receive the second user a reference signal measurement result of the target cell that is determined by the second user equipment, and a sending unit, configured to send, by the base station of the serving cell, a reference signal measurement result of the serving cell and a reference signal measurement result of the target cell And the reference signal measurement result of the serving cell and the reference signal measurement result of the target cell are used by the base station of the serving cell to perform a handover decision on the second user equipment; where the target cell is the service The cell or the target cell is a neighboring cell of the serving cell, and the second user equipment interacts with the communication network by using the first user equipment.
  • the receiving unit is further configured to: receive first measurement configuration information and second measurement configuration information that are sent by a base station of the serving cell; Determining, according to the first measurement configuration information, a reference signal measurement result of the serving cell; the sending unit is further configured to: send the second measurement configuration information to the second user equipment, where the second measurement configuration The information is used to instruct the second user equipment to determine a reference signal measurement result of the target cell.
  • a second user equipment includes: a determining unit, configured to determine a reference signal measurement result of the target cell, and a sending unit, configured to send the target cell to the first user equipment
  • the reference signal measurement result, the reference signal measurement result of the serving cell of the first user equipment determined by the first user equipment, and the reference signal measurement result of the target cell are used by the base station of the serving cell
  • the second user equipment performs a handover decision, where the target cell is the service cell or the target cell is a neighbor of the monthly service cell
  • the second user equipment interacts with the communication network by using the first user equipment.
  • the user equipment further includes: a first receiving unit, configured to receive a radio link connection release indication message sent by the first user equipment; And releasing a wireless link connection with the first user equipment according to the wireless link connection release indication message; and establishing a unit, configured to establish a connection with the target cell.
  • the user equipment further includes: a second receiving unit, configured to receive, sent by the first user equipment And the determining unit is configured to: determine, according to the second measurement configuration information, a reference signal measurement result of the target cell.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • FIG. 1 is a schematic diagram of an application scenario applicable to an embodiment of the present invention.
  • FIG. 2 is a flow chart of a handover decision method according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a handover decision method according to another embodiment of the present invention.
  • FIG. 4 is a flow chart of a handover decision method according to still another embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a process of a handover decision method according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a base station according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a first user equipment according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a second user equipment according to an embodiment of the present invention.
  • FIG. 9 is a block diagram of an apparatus in accordance with one embodiment of the present invention.
  • FIG. 10 is a structural block diagram of a base station according to another embodiment of the present invention.
  • FIG. 11 is a structural block diagram of a first user equipment according to another embodiment of the present invention.
  • FIG. 12 is a structural block diagram of a second user equipment according to another embodiment of the present invention. detailed description
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunication System System
  • Wired Fidelity Worldwide Interoperability for Microwave Access
  • Wireless Fidelity Wireless Fidelity
  • a user equipment may be referred to as a terminal (Terminal), a mobile station (Mobile Station, referred to as “MS”), a mobile terminal ( Mobile Terminal), etc.
  • the user equipment can communicate with one or more core networks via a Radio Access Network (“RAN"), for example, the user equipment can be a mobile phone (or “cellular” “Telephone", a computer with a mobile terminal, etc., for example, the user device can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or data with the wireless access network.
  • RAN Radio Access Network
  • the base station may be a base station in GSM or CDMA (Base
  • BTS can also be a base station in UMTS (NodeB, called “NB”), or it can be an evolved Node B in LTE (called “eNB or eNodeB”). “), the invention is not limited.
  • NodeB NodeB
  • eNB evolved Node B in LTE
  • FIG. 1 is a schematic diagram of an application scenario PRA (Proximity Radio Access) applicable to an embodiment of the present invention.
  • PRA Proximity Radio Access
  • a CF UE Cellular Function UE
  • an Access UE Access UE
  • the second UE in the present invention, and the wireless link between the Access UE and the CF UE are referred to as a PRA Link (near wireless access link).
  • the Access UE 109 is in a weak coverage area of a macro network (a network composed of a macro base station 101 and a macro base station 102), in which the wireless transmission and reception signals of the Access UE 109 are poor, and there is no overlay deployment in the area.
  • the Access UE 109 may perform a discovery process to discover other UEs around, for example: the Access UE 109 attempts to resolve the beacon channel information broadcast by other surrounding UEs (eg, CF UE 105 and CF UE 107) by parsing the measurements. A random access procedure is initiated to the selected CF UE 105. If the CF UE 105 and the network are found to have better radio transmission and reception signals, and the CF UE 105 can initiate a packet domain service request to connect to the network, the Access UE 109 can establish a specific radio link connection with the CF UE 105.
  • the Access UE 109 may perform a discovery process to discover other UEs around, for example: the Access UE 109 attempts to resolve the beacon channel information broadcast by other surrounding UEs (eg, CF UE 105 and CF UE 107) by parsing the measurements. A random access procedure is initiated to the selected CF UE 105. If the CF UE 105 and the network are found to have better radio transmission and
  • the network provided by the CF UE 105 routes to access the network.
  • the Access UE 109 interacts with the communication network through the CF UE 105, that is, the Access UE 109 communicates with the macro base station 101 through the CF UE 105.
  • Access UE 110 can communicate with macro base station 101 through CF UE 106
  • Access UE 111 can communicate with base station 103 through CF UE 107
  • Access UE 111 can communicate with micro base station 112 through CF UE 108. Communication.
  • the same UE may exchange between the roles of the first UE and the second UE.
  • the CF UE 105 can convert from the CF UE role to the Access UE role by discovering that other CF UEs that have good radio signal transmission between the surrounding and the network interact with the communication network.
  • the Access UE 109 when the Access UE 109 enters a location in the coverage area of the macro network that has a better radio signal, the Access UE 109 can be converted into a role of the CF UE to provide network routing for other Access UEs.
  • a first UE may serve a plurality of second UEs.
  • a first UE provides only a second UE with a nearby wireless access service. It can be applied to other scenarios in which the second UE accesses the communication network through the network route provided by the first UE, which is not limited by the present invention.
  • FIG. 1 is merely a scenario in which the present invention can be implemented to more clearly describe the embodiments of the present invention, and is not intended to limit the scope of application of the embodiments of the present invention.
  • a macro base station 101, a base station 102, and two UEs 103 are depicted in FIG. 104,
  • embodiments of the present invention may also include a smaller number or a greater number of base stations, or may also include a smaller number or a greater number of UEs.
  • the embodiment of the present invention can also be applied to a scenario of a network architecture with only one base station.
  • the base station may be other types of base stations, such as a pico base station, a femto base station, a relay station, etc., in addition to the above-mentioned macro base station and micro base station.
  • This embodiment of the present invention is not limited thereto.
  • the number of CF UEs or the number of Access UEs in the embodiment of the present invention is not limited.
  • FIG. 2 is a flow chart of a handover decision method according to an embodiment of the present invention. The method of Figure 2 is performed by a base station.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • step 202 if the result of the decision in step 202 is to switch the second UE, if the target cell is a neighboring cell of the serving cell, after step 202, the base station of the serving cell The base station of the target cell transmits the context information of the second UE. Further, the base station of the serving cell sends a radio link connection release indication message to the first UE.
  • the base station of the serving cell may directly send the wireless to the first UE.
  • Link connection release indication message if the result of the decision in step 202 is to perform a handover decision on the second UE.
  • the foregoing radio link connection release indication message is used to indicate that the second UE releases the radio link connection with the first UE, and establishes a connection with the target cell.
  • the reference signal measurement result of the serving cell may be at least one of the following: a measurement value of a reference signal of a serving cell (Reference Signal Receiving Power, referred to as "RSRP") and a reception quality of a reference signal of the serving cell. (Reference Signal Receiving Quality, the tube is called "RSRQ”) measurement value, etc.
  • the reference signal measurement result of the target cell may include at least one of the following: a measured value of the received power of the reference signal of the target cell and a measured value of the received quality of the reference signal of the target cell, and the like.
  • the base station of the serving cell performs the determination according to the reference signal measurement result of the serving cell determined by the first UE and the reference signal measurement result of the target cell determined by the second UE, if there is a reference signal measurement of the target cell in the target cell.
  • the result of the base station decision of the serving cell is to switch the second UE.
  • the base station sends context information of the second UE.
  • the base station of the serving cell may send a radio link connection release indication message to the first UE, the first UE sends a radio link connection release indication message to the second UE, and the second UE releases the radio between the first UE and the first UE.
  • a link is connected to establish a connection with the target cell.
  • the radio link connection release indication message may be used to carry the user equipment indication, where the user equipment indication is used to instruct the first UE to send a radio link connection release indication message to the second UE, where the user equipment
  • the indication may be a second UE identity (eg, an International Mobile Subscriber Identity of the second UE or an International Mobile Subscriber Identity Code of the second UE) or a link identity or link indication.
  • the radio link connection release indication message is transparently transmitted to the second UE.
  • the link identifier or the link indication is carried in the radio link connection release indication message, and the first UE provides the network route access communication network only for the second UE, that is, the link identifier or the link indication.
  • the first UE may send a radio link connection release indication message to the second UE according to the link identifier or the link indication.
  • the link identifier of the first UE uniquely corresponds to one second UE, the first UE may distinguish whether the target user equipment of the message is the first by using the link identifier in the message transmission between the base station and the base station of the serving cell. Two UEs.
  • the link identifier is set in the message (for example, set to 1), it means that the first UE only plays the role of message relay transmission, and the target UE is the second UE. Therefore, the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the base station of the serving cell may send the first measurement configuration information and the second measurement configuration information to the first UE, where the first measurement configuration information is used to indicate that the first UE determines the service.
  • the reference signal measurement result of the cell where the second measurement configuration information is used to indicate that the second UE determines the reference signal measurement result of the target cell.
  • the first measurement configuration information includes a measurement target indication of the first UE, indicating that the first UE measures the reference signal measurement result of the serving cell
  • the second measurement configuration information includes the measurement target indication of the second UE, and the indication The second UE measures a reference signal measurement result of the target cell.
  • the first measurement configuration information may also be used to carry the identifier of the first UE; and/or the second measurement configuration information may also be used to carry the indication information.
  • the identifier of the first UE is used to indicate that the first measurement configuration information is the information of the first UE, and the indication information is used to instruct the first UE to send the second measurement configuration information to the second UE.
  • the indication information may be a second UE identity or a link identifier or a link indication.
  • the first UE parses the second UE identifier from the message (second measurement configuration information) received by the base station of the serving cell, the second measurement configuration information is transparently sent to the second UE. If the first UE extracts the identifier of the first UE from the message (the first measurement configuration information) received by the base station of the serving cell, the first UE may determine the reference signal measurement result of the serving cell according to the first measurement configuration information. In another implementation manner, the first UE may determine whether the message belongs to the second UE by using a link identifier or a link indication in the message sent by the base station of the serving cell.
  • FIG. 3 is a flow chart of a handover decision method according to an embodiment of the present invention.
  • the method of Figure 3 is performed by a first UE. And corresponds to the method of Fig. 2, and therefore the description overlapping with the embodiment of Fig. 2 will be omitted as appropriate.
  • the first UE determines a reference signal measurement result of the serving cell of the first UE, and receives a reference signal measurement result of the target cell that is determined by the second UE and sent by the second UE.
  • the first UE sends a reference signal measurement result of the serving cell and a reference signal measurement result of the target cell to the base station of the serving cell, where the reference signal measurement result of the serving cell and the reference signal measurement result of the target cell are used by the base station of the serving cell.
  • the second UE performs a handover decision.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second
  • the UE interacts with the communication network through the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the first UE receives a radio link connection release indication message sent by the base station of the serving cell, and sends a radio link connection release indication message to the second UE.
  • the second UE releases the radio link connection with the first UE to establish a connection with the target cell.
  • the wireless link connection release indication message may be used to carry the user equipment indication, where the user equipment indication is used to indicate that the first UE sends the radio link connection release indication message to the second UE, where the user equipment indication may be A second UE identity or link identity or link indication.
  • the radio link connection release indication message is transparently transmitted to the second UE.
  • the link identifier or the link indication is carried in the radio link connection release indication message, and the first UE provides the network route access communication network only for the second UE, that is, the link identifier or the link indication.
  • the first UE may send a radio link connection release indication message to the second UE according to the link identifier or the link indication. Specifically, since the link identifier or the link indication of the first UE uniquely corresponds to one second UE, the first UE may distinguish the link by using a link identifier or a link indication in message transmission with the base station of the serving cell. Whether the target user equipment of the message is the second UE. For example, if the link identifier is set in the message (for example, set to 1), it means that the first UE only plays the role of message relay transmission, and the target UE is the second UE.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the first UE receives the serving cell.
  • the first measurement configuration information and the second measurement configuration information are sent by the base station, where the first measurement configuration information is used to indicate that the first UE determines the reference signal measurement result of the serving cell, and the second measurement configuration information is used to indicate that the second UE determines the target cell. Reference signal measurement results.
  • the first measurement configuration information may be further used to carry the identifier of the first UE; and/or the second measurement configuration information may be used to carry the indication information.
  • the identifier of the first UE is used to indicate that the first measurement configuration information is information of the first UE, and the indication information is used to indicate that the first UE sends the second measurement configuration information to the second UE.
  • the first UE parses the second UE identifier from the message (second measurement configuration information) received by the base station of the serving cell, the second measurement configuration information is transparently sent to the second UE. If the first UE extracts the identifier of the first UE from the message (the first measurement configuration information) received by the base station of the serving cell, the first UE may determine the reference signal measurement result of the serving cell according to the first measurement configuration information. In another implementation manner, the first UE may determine whether the message belongs to the second UE by using a link identifier or a link indication in the message sent by the base station of the serving cell.
  • FIG. 4 is a flow chart of a handover decision method according to still another embodiment of the present invention.
  • the method of Figure 4 is performed by a second UE. And corresponds to the methods of Figs. 2 and 3, and therefore the description overlapping with the embodiment of Figs. 2 and 3 will be omitted as appropriate.
  • the second UE determines a reference signal measurement result of the target cell.
  • the second UE sends a reference signal measurement result of the target cell to the first UE, where the reference signal measurement result of the serving cell of the first UE and the reference signal measurement result of the target cell determined by the first UE are used by the base station of the serving cell. A handover decision is made to the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the second UE may receive the first The radio link connection release indication message sent by the UE, the second UE releases the radio link connection with the first UE, and establishes a connection with the target cell.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the second UE before the step 401, receives the second measurement configuration information sent by the first UE, and determines the reference signal measurement result of the target cell according to the second measurement configuration information.
  • FIG. 5 is a schematic flowchart of a process of a handover decision method according to an embodiment of the present invention.
  • FIG. 5 is an example of the application scenario PRA of FIG. 1 for the purpose of facilitating a better understanding of the embodiments of the present invention, and is not intended to limit the scope of the present invention.
  • the technical solution of the present invention can also be applied to an application scenario in which one UE accesses the network through another UE.
  • the at least one target cell will take the three target cells as an example, and the measurement target takes the RSRQ as an example, the first UE takes the CF UE 105 as an example, the second UE takes the Access UE 109 as an example, and the target cell that the second UE switches.
  • the macro base station 102 will be described. It should be understood that the embodiments of the present invention are not limited thereto.
  • the macro base station 101 sends a measurement request message to the CF UE 105.
  • the base station of the serving cell of the CF UE 105 is the macro base station 101, and the measurement request message sent by the macro base station 101 to the CF UE 105 includes the first measurement configuration information and the second measurement configuration information.
  • the first measurement configuration information includes a measurement target indication of the first UE, indicating that the first UE measures the RSRQ of the serving cell
  • the second measurement configuration information includes the measurement target indication of the second UE, indicating the second UE measurement target.
  • the RSRQ of the cell includes a measurement target indication of the first UE, indicating that the first UE measures the RSRQ of the serving cell
  • the second measurement configuration information includes the measurement target indication of the second UE, indicating the second UE measurement target. The RSRQ of the cell.
  • the CF UE 105 sends the second measurement configuration information to the Access UE 109.
  • the CF UE 105 parses out the Access UE 109 identity or the PRA Link identity or the PRA link indication from the message (second measurement configuration information) received by the macro base station 101, and transparently transmits the message to the Access UE 109.
  • the Access UE 109 determines a measurement value of the RSRQ of the target cell.
  • the CF UE 105 determines a measurement value of the RSRQ of the serving cell of the macro base station 101.
  • the Access UE 109 measuring the RSRQ of the carrier frequency cell that the macro base station 102 can serve, the measured value is Q2; measuring the RSRQ of the carrier frequency cell that the micro base station 103 can serve, the measured value is Q3; measuring the RSRQ of the carrier frequency that the micro base station 104 can serve, measuring The value is Q4.
  • the measured value of the RSRQ of the target cell determined by the Access UE 109 includes the measured values Q2, Q3, and Q4.
  • the CF UE 105 measures the RSRQ of the macro base station 101 serving the carrier frequency cell, and the measured value is Q1.
  • the RSRQ measurement value of the macro base station 101 determined by the CF UE 105 includes the measured value Q1.
  • the Access UE 109 sends the measured value of the RSRQ of the target cell to the CF UE 105.
  • the CF UE 105 transmits the measured value of the RSRQ of the target cell and the measured value of the RSRQ of the macro base station 101 to the macro base station 101.
  • the macro base station 101 performs a handover decision on the Access UE 109.
  • the macro base station 101 may determine the macro base station 102 as the target cell for the Access UE 109 to switch.
  • the macro base station 101 sends the context information of the Access UE 109 to the macro base station 102.
  • the macro base station 101 sends a radio link connection release indication message to the CF UE 105.
  • the identifier of the Access UE 109 or the PRA Link identifier or the PRA Link indication is carried in the radio link connection release indication message.
  • the CF UE 105 sends a radio link connection release indication message to the Access UE 109.
  • the CF UE 105 parses the identity of the Access UE 109 or the PRA Link Identity or the PRA Link indication from the message (Radio Link Connection Release Indication message) received by the macro base station 101, and transparently transmits the message to the Access UE 109.
  • the Access UE 109 releases the wireless link connection with the CF UE 105.
  • Access UE 109 establishes a connection with macro base station 102.
  • the macro base station 101 transmits a radio link release indication message to the CF UE 105.
  • the Access UE 109 After the UE 109 releases the PRA Link between the CF UEs 105, the Access UE 109 establishes a connection with the macro base station 102.
  • the UE that can access the network through other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the target cell transceiving signal condition. In this way, the continuity of the UE service and the quality of service in the mobility process are not significantly degraded.
  • FIG. 6 is a structural block diagram of a base station according to an embodiment of the present invention.
  • the base station 600 includes a receiving unit 601 And decision unit 602.
  • the receiving unit 601 is configured to receive a reference signal measurement result of the serving cell of the first UE that is determined by the first UE and sent by the first UE, and receive a reference signal measurement result of the target cell that is determined by the second UE and sent by the first UE.
  • the determining unit 602 is configured to perform a handover decision on the second UE according to the reference signal measurement result of the serving cell received by the receiving unit 601 and the reference signal measurement result of the target cell.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the base station 600 can implement the operations related to the base station in the embodiments of Figs. 2 to 5, and therefore will not be described in detail in order to avoid redundancy.
  • the base station 600 may further include a first sending unit 603.
  • the first sending unit 603 is configured to: if the handover result is a handover of the second UE, send the context information of the second UE to the base station of the target cell if the target cell is the neighboring cell of the serving cell.
  • the first sending unit 603 is further configured to send a radio link connection release indication message to the first UE, where the radio link connection release indication message is used to indicate that the second UE releases the radio link connection with the first UE. , establish a connection with the target cell.
  • the radio link connection release indication message may be used to carry a user equipment indication, where the user equipment indication is used to instruct the first UE to send a radio link connection release indication message to the second UE, where the user equipment indication may be Two UE identity or link identity or link indication.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the base station 600 may further include a second sending unit 604, where the second sending unit 604 is configured to send first measurement configuration information and second measurement configuration information, the first measurement configuration, to the first UE. The information is used to indicate that the first UE determines the reference signal measurement result of the serving cell, and the second measurement configuration information is used to instruct the second UE to determine the reference signal measurement result of the target cell.
  • FIG. 7 is a structural block diagram of a first UE according to an embodiment of the present invention.
  • the first UE 700 includes a determining unit 701, a receiving unit 702, and a transmitting unit 703.
  • the determining unit 701 is configured to determine a reference signal measurement result of the serving cell of the first UE.
  • the receiving unit 702 is configured to receive a reference signal measurement result of the target cell that is determined by the second UE and sent by the second UE.
  • the sending unit 703 is configured to send, to the base station of the serving cell of the first UE, the reference signal measurement result of the serving cell determined by the determining unit 701 and the reference signal measurement result of the target cell received by the receiving unit 702, the reference signal measurement result of the serving cell, and The reference signal measurement result of the target cell is used by the base station of the serving cell to perform handover decision on the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the first UE 700 can implement the operations related to the first UE in the embodiments of FIG. 2 to FIG. 5, and therefore, in order to avoid repetition, details are not described in detail.
  • the receiving unit 702 is further configured to receive a radio link connection release indication message sent by the base station of the serving cell.
  • the sending unit 703 is further configured to send a radio link connection release indication message to the second UE, where the radio link connection release indication message is used to indicate that the second UE releases the radio link connection with the first UE, and establishes a target cell. Connection.
  • the radio link connection release indication message may be used to carry a user equipment indication, where the user equipment indication is used to instruct the first UE to send a radio link connection release indication message to the second UE, where the user equipment indication may be Two UE identity or link identity or link indication. Therefore, the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the receiving unit 702 is further configured to receive the first measurement configuration information and the second measurement configuration information that are sent by the base station of the serving cell, where the determining unit 701 is specifically configured to determine the service according to the first measurement configuration information.
  • the reference signal measurement result of the cell is further configured to send the second measurement configuration information to the second UE, where the second measurement configuration information is used to instruct the second UE to determine the reference signal measurement result of the target cell.
  • the first measurement configuration information may be further used to carry the identifier of the first UE; and/or the second measurement configuration information may be used to carry the indication information.
  • the identifier of the first UE is used to indicate that the first measurement configuration information is information of the first UE, and the indication information is used to indicate that the first UE sends the second measurement configuration information to the second UE.
  • FIG. 8 is a structural block diagram of a second UE according to an embodiment of the present invention.
  • the second UE 800 includes a determining unit 801 and a transmitting unit 802.
  • the determining unit 801 is configured to determine a reference signal measurement result of the target cell.
  • the sending unit 802 is configured to send a reference signal measurement result of the target cell to the first UE, where the reference signal measurement result of the serving cell of the first UE and the reference signal measurement result of the target cell determined by the first UE are used by the base station of the serving cell. A handover decision is made to the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second
  • the UE interacts with the communication network through the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the second UE 800 can implement the operations related to the second UE in the embodiments of FIG. 2 to FIG. 5, and therefore, in order to avoid repetition, details are not described in detail.
  • the second UE further includes: the first receiving unit 803 is configured to connect Receiving a radio link connection release indication message sent by the first UE.
  • the releasing unit 804 is configured to release the wireless link connection with the first UE according to the radio link connection release indication message.
  • the establishing unit 805 is configured to establish a connection with the target cell.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the second UE further includes a second receiving unit 806, where the second receiving unit 806 is configured to receive the second measurement configuration information sent by the first UE.
  • the determining unit 801 is configured to determine a reference signal measurement result of the target cell according to the second measurement configuration information.
  • FIG. 9 shows an embodiment of a device in which device 900 includes a processor 901, a memory 902, a transmitter 903, and a receiver 904.
  • the processor 901 controls the operation of the device 900, which may also be referred to as a CPU (Central Processing Unit).
  • Memory 902 can include read only memory and random access memory and provides instructions and data to processor 901.
  • a portion of memory 902 may also include non-volatile line random access memory (NVRAM).
  • the processor 901, the memory 902, the transmitter 903 and the receiver 904 are coupled together by a bus system 99, wherein the bus system 910 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 910 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 910 in the figure.
  • the above-described device 900 can be applied to the method disclosed in the above embodiments of the present invention.
  • the processor 901 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 901 or an instruction in the form of software.
  • FIG. 10 is a structural block diagram of a base station according to an embodiment of the present invention.
  • the base station 1000 includes a receiver 1001 and a processor 1002.
  • the receiver 1001 is configured to receive a reference signal measurement result of the serving cell of the first UE that is determined by the first UE and sent by the first UE, and receive a reference signal measurement result of the target cell that is determined by the second UE and sent by the first UE.
  • the processor 1002 is configured to use the reference signal measurement result of the serving cell received by the receiver 1001. And the reference signal measurement result of the target cell performs a handover decision on the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the base station 1000 can implement the operations related to the base station in the embodiments of Figs. 2 to 5, and therefore will not be described in detail to avoid repetition.
  • the base station 1000 further includes a transmitter 1003, where the transmitter 1003 is configured to: if the handover result is a handover of the second UE, in a case where the target cell is a neighboring cell of the serving cell, The base station of the target cell transmits the context information of the second UE.
  • the transmitter 1003 may be further configured to send a radio link connection release indication message to the first UE, where the radio link connection release indication message is used to indicate that the second UE releases the radio link connection with the first UE, and establishes Connection to the target cell.
  • the radio link connection release indication message may be used to carry a user equipment indication, where the user equipment indication is used to indicate that the radio link connection release indication message is sent by the first UE to the second UE, where the user equipment indication may be Is the second UE identity or link identity or link indication.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the transmitter 1003 is further configured to send the first measurement configuration information and the second measurement configuration information to the first UE, where the first measurement configuration information is used to indicate that the first UE determines the reference of the serving cell.
  • the second measurement configuration information is used to indicate that the second UE determines the reference signal measurement result of the target cell.
  • FIG. 11 is a structural block diagram of a first UE according to an embodiment of the present invention.
  • the first UE 1100 includes a processor 1101, a receiver 1102, and a transmitter 1103.
  • the processor 1101 is configured to determine a reference signal measurement result of the serving cell of the first UE.
  • the receiver 1102 is configured to receive a reference signal measurement result of the target cell that is determined by the second UE and sent by the second UE.
  • the transmitter 1103 is configured to send, to the base station of the serving cell of the first UE, the reference signal measurement result of the serving cell determined by the processor 1101 and the reference signal measurement result of the target cell received by the receiver 1102, the reference signal measurement result and the target of the serving cell.
  • the reference signal measurement result of the cell is used by the base station of the serving cell to perform handover decision on the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the first UE 1100 can implement the operations related to the first UE in the embodiments of FIG. 2 to FIG. 5, and therefore, in order to avoid repetition, details are not described in detail.
  • the receiver 1102 is further configured to receive a radio link connection release indication message sent by the base station of the serving cell.
  • the transmitter 1103 is further configured to send a radio link connection release indication message to the second UE, where the radio link connection release indication message is used to indicate that the second UE releases the radio link connection with the first UE, and establishes a target cell. Connection.
  • the radio link connection release indication message may be used to carry the user equipment indication, where the user equipment indication is used to instruct the first UE to send a radio link connection release indication message to the second UE, where the user equipment indication may be the second UE identity or link identity or link indication.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the receiver 1102 is further configured to receive first measurement configuration information and second measurement configuration information that are sent by the base station of the serving cell, where the processor 1101 is specifically used to The reference signal measurement result of the serving cell is determined according to the first measurement configuration information.
  • the transmitter 1103 is further configured to send the second measurement configuration information to the second UE, where the second measurement configuration information is used to instruct the second UE to determine the reference signal measurement result of the target cell.
  • the first measurement configuration information may further include an identifier of the first UE; and/or the second measurement configuration information further carries an identifier of the second UE or a link identifier or a link indication.
  • FIG. 12 is a structural block diagram of a second UE according to an embodiment of the present invention.
  • the second UE 1200 includes a processor 1201 and a transmitter 1202.
  • the processor 1201 is configured to determine a reference signal measurement result of the target cell.
  • the transmitter 1202 is configured to send a reference signal measurement result of the target cell to the first UE, where the reference signal measurement result of the serving cell of the first UE and the reference signal measurement result of the target cell determined by the first UE are used by the base station of the serving cell. A handover decision is made to the second UE.
  • the target cell is a serving cell or the target cell is a neighboring cell of the serving cell, and the second UE interacts with the communication network by using the first UE.
  • the base station of the serving cell of the first UE according to the reference of the serving cell determined by the first UE sent by the first UE
  • the signal measurement result and the reference signal measurement result of the target cell determined by the second UE perform a handover decision on the second UE.
  • the UE that can interact with the communication network through the other UEs in the weak coverage area can switch to the target cell in the mobility process due to the improvement of the signal condition of the target cell, and the quality of service of the UE in the mobility process does not occur.
  • the second UE 1200 may implement operations related to the second UE in the embodiments of FIG. 2 to FIG. 5, and therefore, in order to avoid repetition, details are not described in detail.
  • the second UE further includes: a receiver 1203, configured to receive a radio link connection release indication message sent by the first UE.
  • the processor 1201 is further configured to release a radio link connection with the first UE according to the radio link connection release indication message to establish a connection with the target cell.
  • the second UE interacts with the communication network by using the first UE. If the second UE discovers a target cell with better signal during the mobile process, the second UE may release the wireless link connection with the first UE, and switch to the target. Community. In this way, the continuity of the second UE service is ensured, and the quality of service of the UE in the mobility process is not significantly degraded.
  • the receiver 1203 is further configured to receive the first UE The second measurement configuration information sent.
  • the processor 1201 is further configured to determine a reference signal measurement result of the target cell according to the second measurement configuration information.
  • the same UE may have the functions of the first UE and the second UE.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the present invention. All or part of the steps of the method described in the various embodiments are invented.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

L'invention concerne un procédé de décision de transfert intercellulaire, une station de base, et un équipement d'utilisateur (UE). Le procédé comprend : la réception d'un résultat de mesure de signal de référence d'une cellule de desserte d'un premier UE, le résultat étant déterminé par le premier UE et envoyé par le premier UE, et la réception d'un résultat de mesure de signal de référence d'une cellule cible, le résultat étant déterminé par un second UE et envoyé par le premier UE (201) ; et l'exécution d'une décision de transfert intercellulaire sur le second UE en fonction du résultat de mesure de signal de référence de la cellule de desserte et du résultat de mesure de signal de référence de la cellule cible, la cellule cible étant la cellule de desserte ou la cellule cible étant une cellule voisine de la cellule de desserte, et le second UE interagit avec un réseau de communication par l'intermédiaire du premier UE (202). Grâce à la présente invention, un second UE, qui accède à un réseau par l'intermédiaire d'un premier UE dans une zone de faible couverture, peut être transféré vers une cellule cible lors d'un processus de mobilité grâce à l'amélioration des conditions de réception et de transmission des signaux de la cellule cible.
PCT/CN2012/087779 2012-12-28 2012-12-28 Procédé de décision de transfert intercellulaire, station de base et équipement d'utilisateur WO2014101079A1 (fr)

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PCT/CN2012/087779 WO2014101079A1 (fr) 2012-12-28 2012-12-28 Procédé de décision de transfert intercellulaire, station de base et équipement d'utilisateur
CN201280023282.6A CN104041124B (zh) 2012-12-28 2012-12-28 切换判决方法、基站和用户设备
CN201811469909.6A CN109451545B (zh) 2012-12-28 2012-12-28 切换判决方法、基站和用户设备

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US11895724B2 (en) 2015-12-31 2024-02-06 Huawei Technologies Co., Ltd. Communication method and device
CN108323242A (zh) * 2017-02-27 2018-07-24 华为技术有限公司 切换方法、设备及系统
WO2020135627A1 (fr) * 2018-12-26 2020-07-02 华为技术有限公司 Procédé de résidence de cellule, et terminal et système
CN111372225A (zh) * 2018-12-26 2020-07-03 华为技术有限公司 小区驻留的方法、终端及系统
CN111372225B (zh) * 2018-12-26 2022-04-05 华为技术有限公司 小区驻留的方法、终端及系统

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