WO2014079008A1 - Procédé de mesure d'une cellule à nouveau type de porteuse, équipement utilisateur et station de base - Google Patents

Procédé de mesure d'une cellule à nouveau type de porteuse, équipement utilisateur et station de base Download PDF

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Publication number
WO2014079008A1
WO2014079008A1 PCT/CN2012/085002 CN2012085002W WO2014079008A1 WO 2014079008 A1 WO2014079008 A1 WO 2014079008A1 CN 2012085002 W CN2012085002 W CN 2012085002W WO 2014079008 A1 WO2014079008 A1 WO 2014079008A1
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WO
WIPO (PCT)
Prior art keywords
base station
information
nct cell
user equipment
cell
Prior art date
Application number
PCT/CN2012/085002
Other languages
English (en)
Chinese (zh)
Inventor
权威
陈玉华
张戬
姜怡
纪鹏宇
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 CN201280025245.9A priority Critical patent/CN103947244B/zh
Priority to PCT/CN2012/085002 priority patent/WO2014079008A1/fr
Publication of WO2014079008A1 publication Critical patent/WO2014079008A1/fr

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Classifications

    • 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
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a measurement method, a user equipment, and a base station of a new carrier type cell. Background technique
  • a new carrier type (New Carrier Type; NCT) cell can be configured in a traditional macro cell.
  • the NCT cell can independently perform signaling interaction with the user equipment (User Equipment; hereinafter referred to as UE) without using the macro cell.
  • UE User Equipment
  • the NCT cell can be a discretely distributed cell, that is, served only in a hotspot within a range. In this area, if the UE is in a hotspot area that the NCT cell can cover, the accessible NCT cell is served; if it is in a non-hotspot area that the NCT cell cannot cover, the traditional macro cell can be accessed to obtain the service.
  • the NCT cell saves the frequency domain resources by reducing the number of pilots; and when the NCT cell coverage has no or few UEs to be served, it can go to sleep state, which saves energy consumption on the network side. Due to these advantages, the NCT cell has become a new deployment solution for hotspot area communication.
  • the downlink pilot of the NCT cell is transmitted in a discontinuous transmission (DTX) mode, that is, the NCT cell periodically transmits the downlink pilot according to a certain mode. Therefore, when the UE approaches or enters the NCT cell, unnecessary detection or measurement may be performed, resulting in waste of power of the UE.
  • DTX discontinuous transmission
  • the present invention provides a method for measuring a new carrier type cell, a user equipment, and a base station, so as to reduce unnecessary measurement of the NCT cell by the user equipment, and save power of the user equipment.
  • a first aspect of the present invention provides a method for measuring a new carrier type cell, including: receiving, by a user equipment, a discontinuous transmission DTX mode sent by a serving base station of the user equipment Information, the DTX mode information is DTX mode information of a neighboring new carrier type NCT cell of the serving cell where the user equipment is located;
  • the user equipment measures the neighboring NCT cell according to the DTX mode information.
  • the DTX mode information includes one or a combination of the following information: a transmission time information of a downlink pilot and a time-frequency location information of a downlink pilot, And the measuring, by the user equipment, the neighboring NCT cell according to the DTX mode information includes:
  • the user equipment obtains a transmission time of a downlink pilot of the neighboring NCT cell according to the DTX mode information, and performs measurement on the neighboring NCT cell at a time of sending the downlink pilot;
  • the user equipment obtains a time-frequency position of the downlink pilot of the neighboring NCT cell according to the DTX mode information, and performs measurement on the neighboring NCT cell at a time-frequency position of the downlink pilot;
  • the method further includes: the user equipment receiving the serving base station of the user equipment, The measurement parameter of the neighboring NCT cell; and after the user equipment performs measurement on the neighboring NCT cell according to the DTX mode information, the method further includes:
  • the user equipment sends indication information to the neighboring NCT cell according to the measurement result of the neighboring NCT cell and the received measurement parameter, where the indication information is used to indicate that the neighboring NCT cell performs an activation operation. .
  • the measurement parameter includes one or more of the following information: the indication information, the indication information Resource information, a transmission condition of the indication information, and a transmission manner of the indication information.
  • the user equipment sends an indication to the neighboring NCT cell according to the measurement result of the neighboring NCT cell and the received measurement parameter.
  • Information includes:
  • the user equipment sends the indication information to the neighboring NCT cell.
  • the user equipment Sending the indication information to the neighboring NCT cell includes:
  • the user equipment sends the random access code to the neighboring NCT cell by using a random access resource;
  • the user equipment When the indication information is a scheduling request, the user equipment sends the scheduling request to the neighboring NCT cell by scheduling a request resource; or
  • the user equipment When the indication information is a listening reference signal, the user equipment sends the interception reference signal to the neighboring NCT cell by listening to the reference signal resource.
  • any one of the fifth possible implementation manners of the first aspect, the sixth possible implementation manner of the first aspect further includes:
  • the user equipment When the NCT cell is in an active state, the user equipment receives a radio resource control reconfiguration command sent by the serving base station of the NCT cell;
  • the user equipment reports a power preference indication to the serving base station of the NCT cell in the active state according to the radio resource control reconfiguration command, so that the serving base station of the NCT cell in the active state is configured according to the power preference indication.
  • the status of the user equipment and/or the NCT cell is configured according to the power preference indication.
  • a second aspect of the present invention provides a method for measuring a new carrier type cell, including: a base station acquiring discontinuous transmission DTX mode information, where the DTX mode information is a neighboring new carrier type NCT of a serving cell where the user equipment served by the base station is located DTX mode information of the cell;
  • the DTX The mode information includes one or a combination of the following information: transmission time information of the downlink pilot and time-frequency position information of the downlink pilot.
  • the method further includes: the base station sending the neighboring to the user equipment
  • the measurement parameter of the NCT cell includes one or more of the following information: the indication information, the resource information of the indication information, the transmission condition of the indication information, and the transmission manner of the indication information.
  • a third aspect of the present invention provides a method for measuring a new carrier type cell, including: a new carrier type NCT cell serving base station acquiring discontinuous transmission DTX mode information of the NCT cell;
  • the serving base station of the NCT cell sends the DTX mode information to the serving base station of the neighboring cell, so that the serving base station of the neighboring cell sends the DTX mode information to the user equipment served by the serving base station of the neighboring cell,
  • the user equipment performs measurement on the NCT cell according to the DTX mode information.
  • the method further includes:
  • the serving base station of the NCT cell receives the indication information sent by the user equipment, and performs a cell activation operation according to the indication information.
  • the method further includes: when the NCT cell is in an active state, the NCT The serving base station of the cell sends a radio resource control reconfiguration command to the user equipment, so that the user equipment starts the function of reporting the power preference indication; the serving base station of the NCT cell receives the power preference indication reported by the user equipment, according to The power preference indicates a state in which the user equipment and/or the NCT cell is configured.
  • a fourth aspect of the present invention provides a user equipment, including:
  • a receiving module configured to receive discontinuous transmission DTX mode information sent by the serving base station of the user equipment, where the DTX mode information is DTX mode information of a neighboring new carrier type NCT cell of the serving cell where the user equipment is located;
  • a measuring module configured to perform, according to the DTX mode information received by the receiving module, the adjacent The NCT cell performs measurements.
  • the DTX mode information received by the receiving module includes one of the following information or a combination thereof: the transmission time information of the downlink pilot and the downlink pilot time Frequency position information;
  • the measuring module is specifically configured to obtain, according to the DTX mode information received by the receiving module, a sending time of a downlink pilot of the neighboring NCT cell, and perform, at a sending time of the downlink pilot, to the neighboring NCT cell. Measure; or,
  • the measuring module is specifically configured to obtain, according to the DTX mode information received by the receiving module, a time-frequency position of a downlink pilot of the neighboring NCT cell, where the time-frequency position of the downlink pilot is adjacent to the adjacent NCT The cell performs the measurement; or,
  • the measuring module is specifically configured to obtain, according to the DTX mode information received by the receiving module, a sending time and a time-frequency position of the downlink pilot of the neighboring NCT cell, where the downlink pilot is sent and time-frequency.
  • the neighboring NCT cell is measured.
  • the receiving module is further configured to receive, by the serving base station, the user equipment Determining measurement parameters of neighboring NCT cells;
  • the user equipment further includes: a sending module
  • the sending module is configured to: after the measuring module performs measurement on the neighboring NCT cell, according to the measurement result of the neighboring NCT cell and the measurement parameter received by the receiving module, to the neighboring
  • the NCT cell sends indication information, where the indication information is used to indicate that the neighboring NCT cell performs an activation operation.
  • the measurement parameter received by the receiving module includes one or more of the following information: Resource information of the indication information, a transmission condition of the indication information, and a transmission manner of the indication information.
  • the sending module is configured to be used by the user equipment to measure the neighboring NCT cell When the transmission condition of the indication information is met, the indication information is sent to the neighboring NCT cell.
  • the sending module is specifically configured to: when the indication information is a random access code, use a random access resource The random access code is sent to the neighboring NCT cell; or, when the indication information is a scheduling request, the scheduling request is sent to the neighboring NCT cell by using a scheduling request resource; or, when When the indication information is the interception reference signal, the interception reference signal is sent to the neighboring NCT cell by listening to the reference signal resource.
  • the receiving module is further configured to receive a radio resource control reconfiguration command sent by the serving base station of the NCT cell in an active state;
  • the user equipment further includes: a reporting module
  • the reporting module is configured to report, according to the radio resource control reconfiguration command received by the receiving module, a power preference indication to the serving base station of the NCT cell in an active state, so that the serving base station of the NCT cell in an active state Configuring a state of the user equipment and/or the NCT cell according to the power preference indication.
  • a fifth aspect of the present invention provides a base station, including:
  • an obtaining module configured to obtain discontinuous transmission DTX mode information, where the DTX mode information is DTX mode information of a neighboring new carrier type NCT cell of a serving cell where the user equipment served by the base station is located;
  • a sending module configured to send the DTX mode information acquired by the acquiring module to the user equipment, so that the user equipment performs measurement on the neighboring NCT cell according to the DTX mode information.
  • the DTX mode information acquired by the acquiring module includes one of the following information or a combination thereof: the transmission time information of the downlink pilot and the downlink pilot time Frequency location information.
  • the sending module is further configured to send the neighboring NCT to the user equipment.
  • the measurement parameter of the cell includes: one or more of the following information: the indication information, resource information of the indication information, a transmission condition of the indication information, and a transmission manner of the indication information.
  • a sixth aspect of the present invention provides a base station, where the base station is a serving base station of a new carrier type NCT cell, and the base station includes:
  • An acquiring module configured to acquire discontinuous transmission DTX mode information of the NCT cell
  • a sending module configured to send DTX mode information acquired by the acquiring module to a serving base station of a neighboring cell, so that the serving base station of the neighboring cell
  • the DTX mode information is sent to the user equipment served by the serving base station of the neighboring cell, and the user equipment performs measurement on the NCT cell according to the DTX mode information.
  • the base station further includes: a receiving module and an activation module;
  • the receiving module is configured to: after the sending module sends the DTX mode information, receive indication information sent by the user equipment;
  • the activation module is configured to perform a cell activation operation according to the indication information received by the receiving module.
  • the sending module is further configured to: when the NCT cell is in an active state, The user equipment sends a radio resource control reconfiguration command, so that the user equipment starts to report the power preference indication;
  • the receiving module is further configured to receive a power preference indication reported by the user equipment;
  • the base station further includes: a configuration module;
  • the configuration module is configured to configure a state of the user equipment and/or the NCT cell according to a power preference received by the receiving module.
  • a seventh aspect of the present invention provides a user equipment, including: a transmitter, a receiver, a memory, and a processor respectively connected to the transmitter, the receiver, and the memory, wherein the memory stores a group Program code, and the processor is configured to invoke program code stored in the memory to perform the method provided by the first aspect of the present invention.
  • An eighth aspect of the present invention provides a base station, including: a transmitter, a receiver, a memory, and a processor respectively connected to the transmitter, the receiver, and the memory, wherein the memory stores a set of programs And the processor is configured to invoke program code stored in the memory to perform the method provided by the second aspect of the present invention.
  • a ninth aspect of the present invention provides a base station, including: a transmitter, a receiver, a memory, and a processor respectively connected to the transmitter, the receiver, and the memory, wherein the memory stores a set of program codes, and the processor is configured to invoke a program code stored in the memory, execute the program The method provided by the third aspect of the invention.
  • a tenth aspect of the invention provides a computer program product comprising a computer readable medium comprising a set of program code for performing the method provided by the first aspect of the invention.
  • An eleventh aspect of the invention provides a computer program product comprising a computer readable medium comprising a set of program code for performing the method provided by the second aspect of the invention.
  • a twelfth aspect of the invention provides a computer program product comprising a computer readable medium comprising a set of program code for performing the method provided by the third aspect of the invention.
  • the technical effect of the present invention is: the user equipment receives the DTX mode information of the neighboring NCT cell sent by the serving base station of the user equipment, so that the user equipment can obtain the related information of the downlink pilot of the neighboring NCT cell, and then the user equipment according to the DTX
  • the mode information is used to measure neighboring NCT cells, so that power waste caused by unnecessary measurement can be avoided, and the power of the user equipment is saved.
  • FIG. 1 is a flowchart of an embodiment of a method for measuring a new carrier type cell according to the present invention
  • FIG. 2 is a flowchart of another embodiment of a method for measuring a new carrier type cell according to the present invention
  • FIG. 3 is a measurement of a new carrier type cell according to the present invention
  • FIG. 4 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention
  • FIG. 5 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention
  • 6 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention
  • 7 is a schematic structural diagram of an embodiment of a user equipment according to the present invention
  • FIG. 8 is a schematic structural diagram of another embodiment of a user equipment according to the present invention.
  • FIG. 9 is a schematic structural diagram of an embodiment of a base station according to the present invention.
  • FIG. 10 is a schematic structural diagram of another embodiment of a base station according to the present invention.
  • FIG. 11 is a schematic structural diagram of still another embodiment of a base station according to the present invention.
  • FIG. 12 is a schematic structural diagram of still another embodiment of a base station according to the present invention.
  • FIG. 13 is a schematic structural diagram of still another embodiment of a user equipment according to the present invention.
  • FIG. 14 is a schematic structural diagram of still another embodiment of a base station according to the present invention.
  • FIG. 15 is a schematic structural diagram of still another embodiment of a base station according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the measurement method of the NCT cell may include:
  • Step 101 The UE receives DTX mode information sent by the serving base station of the UE, where the DTX mode information is DTX mode information of a neighboring NCT cell of the serving cell where the UE is located.
  • the DTX mode information includes one or a combination of the following information: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot.
  • the receiving, by the UE, the DTX mode information sent by the serving base station of the UE may be: when the UE is in the idle state, the UE receives the DTX mode information that is broadcast by the serving base station of the UE by using a broadcast message; or, when the UE is in the connected state, The UE receives the DTX mode information that the serving base station of the UE broadcasts through the broadcast message, or receives the DTX mode information that is sent by the serving base station of the UE by using a Radio Resource Control (hereinafter referred to as RRC) message.
  • RRC Radio Resource Control
  • the DTX mode information sent by the serving base station of the UE may be sent by the serving base station of the neighboring NCT cell to the serving base station of the UE by using the X2 interface; or, the foregoing UE
  • the DTX mode information sent by the serving base station may be that the serving base station of the neighboring NCT cell sends the first mobility management entity to the serving base station of the neighboring NCT cell through the S1 interface message.
  • MME Mobile Management Entity
  • MME Mobile Management Entity
  • the first MME and the second MME may be the same MME, or may be different MMEs; or the DTX mode information sent by the serving base station of the UE may be the service base station of the UE through operation and maintenance management.
  • OAM Operation Administration and Maintenance
  • the above is only a few examples of the DTX mode information obtained by the serving base station of the UE.
  • the embodiment of the present invention is not limited thereto.
  • the manner in which the serving base station of the UE obtains the D TX mode information is not limited.
  • Step 102 The UE performs measurement on the neighboring NCT cell according to the foregoing DTX mode information. Specifically, the UE may obtain the transmission time of the downlink pilot of the neighboring NCT cell according to the foregoing DTX mode information, and measure the neighboring NCT cell at the transmission time of the downlink pilot; or, the UE may obtain the phase according to the DTX mode information.
  • the time-frequency position of the downlink pilot of the neighboring NCT cell is measured by the time-frequency position of the downlink pilot, and the UE may obtain the downlink pilot transmission time of the neighboring NCT cell according to the DTX mode information. And the time-frequency position, the adjacent NCT cell is measured at the transmission time and the time-frequency position of the downlink pilot.
  • the serving base station when the serving base station only transmits the transmission time information of the downlink pilot, that is, the DTX mode information includes the transmission time information of the downlink pilot, and does not include the time-frequency position information of the downlink pilot, the UE specifies the time at the indicated time.
  • the time-frequency position is used to receive the pilot, and the specific time-frequency position can be fixed by the protocol or according to certain rules.
  • the serving base station When the serving base station only transmits the time-frequency position information of the downlink pilot, that is, the DTX mode information includes the time-frequency position information of the downlink pilot, and does not include the transmission time information of the downlink pilot, the time-frequency indicated by the UE at a specific time
  • the location is to receive the pilot, and the specific time can be fixed by the protocol or according to certain rules.
  • the serving base station simultaneously transmits the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot, that is, the DTX mode information includes the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot, the UE is instructed. Time to go to the indicated location to receive the pilot.
  • the UE receives the DTX mode information of the neighboring NCT cell sent by the serving base station of the UE, so that the UE can obtain the related information of the downlink pilot of the neighboring NCT cell, and then the UE pairs the neighbor according to the DTX mode information.
  • the NCT cell performs measurement, thereby avoiding waste of power due to unnecessary measurement and saving power of the UE.
  • FIG. 2 is a flowchart of another embodiment of a method for measuring a new carrier type cell according to the present invention.
  • the measurement method of the above NCT cell may further include:
  • Step 201 The UE receives a measurement parameter of the neighboring NCT cell sent by the serving base station of the UE.
  • Step 202 The UE sends indication information to the neighboring NCT cell according to the measurement result of the neighboring NCT cell and the received measurement parameter, where the indication information is used to indicate that the neighboring NCT cell performs an activation operation.
  • the UE when the NCT cell is in the sleep state, the UE enters the NCT cell, and the indication information indicates that the NCT cell performs an activation operation, thereby solving the problem that the sleep state NCT cell cannot serve the UE entering the NCT cell.
  • the DTX mode information may be received first, or the measurement parameters may be received first, and the DTX mode information and the measurement parameters may be simultaneously received.
  • measurement parameters may be received after step 102, i.e., after completion of measurements on neighboring NCT cells.
  • the embodiment of the invention does not impose any limitation.
  • the measurement parameter includes one or more of the following information: the indication information, the resource information of the indication information, the transmission method of the indication information, and the transmission condition of the indication information.
  • the indication information is used to notify the UE of the type of the indication information to be sent.
  • the resource information of the indication information is used to notify the UE to use the resource used by the indication information.
  • the foregoing indication information is sent, for example, a periodic transmission, an event trigger, or a one-time transmission, and the like, which is not limited by the embodiment of the present invention.
  • the sending condition of the indication information is used to notify the UE under what conditions to send the indication information, for example, the UE is in the pair. When the measurement result of the neighboring NCT cell satisfies the transmission condition, the UE sends the indication information to the neighboring NCT cell.
  • the measurement parameters may include indication information and transmission conditions of the indication information.
  • the above step 202 includes: when the measurement result of the neighboring NCT cell by the UE meets the foregoing indication information The UE sends the indication information to the neighboring NCT cell, so that the neighboring NCT cell performs the cell activation operation according to the indication information sent by the UE. Further, if the measurement parameter includes the foregoing transmission manner of the indication information, the UE sends the indication information to the neighboring NCT cell according to the manner of sending the indication information.
  • the measurement parameter may also include only the indication information, and the transmission condition and the transmission mode of the indication information are preset on the UE side, or may be obtained by a protocol fixed or according to a certain rule; or the measurement parameter includes the indication information and the transmission of the indication information.
  • One of the conditions for sending the condition and indication information, other information not included is preset on the UE side, or may be fixed by the protocol or according to certain rules.
  • the measurement parameter may include one of resource information indicating information and indication information, or resource information including indication information and indication information. That is, the serving base station may only notify the UE of the indication information to be sent, so that the UE may use the resource corresponding to the indication information to send the indication information; the serving base station may also only notify the UE to send the resource indicating the information used, so that the UE
  • the indication information to be sent is determined according to the resource information, and the indication information is sent by using the resource.
  • the serving base station can also notify the UE of the indication information to be sent and the resource used for sending, so that the UE can be notified.
  • the indication information is sent on the resource.
  • the serving base station may notify the UE that the indication information to be sent is a random access code (ie, the measurement parameter includes indication information), or notify the UE to send the resource indicating the information used.
  • the measurement parameter includes indication information
  • the resource used for transmitting the indication information is a random access resource (ie, the measurement parameter includes the indication
  • the sending of the indication information to the neighboring NCT cell may be: the UE sends the random access code to the neighboring NCT cell by using the random access resource.
  • the measurement parameter may include the SR information and/or the SR resource.
  • sending the indication information to the neighboring NCT cell may be:
  • the SR resource sends the SR to the neighboring NCT cell.
  • the measurement parameter may include SRS information and/or SRS resources.
  • sending the indication information to the neighboring NCT cell may be : The UE sends the SRS to the neighboring NCT cell through the SRS resource.
  • the indication information to be sent is the other type of uplink information
  • the UE sends the indication information (uplink indication signaling) to the neighboring NCT cell by using the uplink resource corresponding to the other type of uplink information.
  • the measurement parameters may include one or more of the above information, and if there is a need to use the information not included in the measurement parameters, the information may be preset on the UE side, or may be fixed by the protocol or acquired according to a certain rule. In addition, the measurement parameters can also include all of the above information.
  • the embodiment of the invention does not impose any limitation.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE knows that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • the UE may further receive an RRC reconfiguration command sent by the serving base station of the NCT cell; and then enable a power preference indicator according to the RRC reconfiguration command.
  • the function of the following (PPI) is to report the PPI to the serving base station of the NCT cell in the active state, the value of the PPI is used to indicate "normal” or "power saving”; so that the serving base station of the NCT cell in the active state is above
  • the value of the PPI reported by the UE indicates that the UE is configured to be in a power-saving state when the power is saved. For example, after the UE reports the power-saving indication, the serving base station of the NCT cell can configure a longer discontinuous reception (Discontinuous Receive; Hereinafter referred to as: DRX) cycle or translation RRC connection.
  • DRX discontinuous Receive
  • the serving base station of the NCT cell may also switch the UE to the neighboring cell, so that the NCT cell enters a sleep state. For example, when the serving base station of the NCT cell determines that the value of the "power saving" PPI is greater than the value indicating the "normal” PPI, and the value indicates that the "power saving" PPI number and value indicate "normal” When the difference between the number of PPIs is greater than or equal to a preset threshold, the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the UE receives the DTX mode information of the neighboring NCT cell sent by the serving base station of the UE, so that the UE can obtain the related information of the downlink pilot of the neighboring NCT cell, and then the UE pairs the neighbor according to the DTX mode information.
  • the NCT cell performs measurement, thereby avoiding waste of power due to unnecessary measurement and saving power of the UE.
  • FIG. 3 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention.
  • the measurement method of the NCT cell may include:
  • Step 301 The base station acquires DTX mode information, where the DTX mode information is DTX mode information of a neighboring NCT cell of a serving cell where the UE served by the base station is located.
  • the DTX mode information includes one or a combination of the following information: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE knows that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • Step 302 The base station sends the DTX mode information to the UE, so that the UE performs measurement on the neighboring NCT cell according to the DTX mode information.
  • the sending, by the base station, the DTX mode information to the UE served by the base station may be: the base station broadcasts the DTX mode information to the UE served by the base station by using a broadcast message; or the base station sends the DTX to the UE in the connected state served by the base station by using the RRC message. Mode information.
  • the DTX mode information sent by the base station is sent to the base station by the serving base station of the neighboring NCT cell through the X2 interface; or the DTX mode information sent by the base station is sent by the serving base station of the neighboring NCT cell to the S1 interface message.
  • the first MME to which the serving base station of the neighboring NCT cell belongs is sent by the first MME to the second MME to which the base station belongs, and then sent by the second MME to the base station through the S1 interface message, optionally, the above- The MME and the second MME may be the same MME or different MMEs; or the DTX mode information sent by the base station is obtained by the base station by using the OAM mode.
  • the foregoing is only a few examples for the base station to obtain the DTX mode information.
  • the embodiment of the present invention is not limited thereto.
  • the method for obtaining the DTX mode information by the base station is not limited in the embodiment of the present invention.
  • the base station further sends a measurement parameter of the neighboring NCT cell to the UE, and the measurement parameter
  • the method includes one or more of the following information: indication information, resource information of the indication information, a transmission condition of the indication information, and a transmission manner of the indication information.
  • the indication information is used to notify the UE of the type of the indication information to be sent.
  • the resource information of the indication information is used to notify the UE to use the resource used by the indication information.
  • the foregoing indication information is sent, for example, a periodic transmission, an event trigger, or a one-time transmission.
  • the embodiment of the present invention does not limit the information.
  • the sending condition of the indication information is used to notify the UE under what conditions to send the indication information, for example, the UE is in the pair. When the measurement result of the neighboring NCT cell satisfies the transmission condition, the UE sends the indication information to the neighboring NCT cell.
  • the measurement parameter may include one or more of the above information. If there is a need to use the information that is not included in the measurement parameter, the information may be preset on the UE side, or may be fixed by the protocol or acquired according to a certain rule. In addition, the measurement parameters can also include all of the above information. The embodiment of the invention does not impose any limitation.
  • the base station sends the DTX mode information of the neighboring cell to the UE served by the base station, so that the UE can obtain the related information of the downlink pilot of the neighboring NCT cell, and then the UE compares the adjacent NCT cell according to the DTX mode information.
  • the measurement is performed, thereby avoiding waste of power due to unnecessary measurement, and saving power of the UE; in addition, the UE may send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 4 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention.
  • the measurement method of the NCT cell may include:
  • Step 401 The serving base station of the NCT cell acquires DTX mode information of the NCT cell.
  • the DTX mode information includes one or a combination of the following information: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE knows that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • Step 402 The serving base station of the NCT cell sends DTX mode information to the serving base station of the neighboring cell, so that the serving base station of the neighboring cell sends the DTX mode information to the neighboring cell.
  • the UE served by the serving base station performs measurement on the NCT cell by the UE according to the DTX mode information.
  • the foregoing DTX mode information may be obtained by the serving base station of the NCT cell by using the OAM mode; or may be configured by the serving base station of the NCT cell according to the current service or the topology information, which is not limited in the embodiment of the present invention.
  • the serving base station of the NCT cell transmitting the DTX mode information of the NCT cell to the serving base station of the neighboring cell may be: the serving base station of the NCT cell sends the DTX mode information of the NCT cell to the monthly service base station of the neighboring cell through the X2 interface; Alternatively, the serving base station of the NCT cell sends the DTX mode information of the NCT cell to the first MME to which the serving base station of the NCT cell belongs by using the S1 interface message, and then the first MME sends the DTX mode information of the NCT cell to the neighboring cell.
  • the second MME to which the serving base station belongs and the second MME sends the DTX mode information of the NCT cell to the serving base station of the neighboring cell through the S1 interface message.
  • the first MME and the second MME may be the same.
  • the MME may also be a different MME.
  • the serving base station of the NCT cell may further receive the indication information sent by the UE, and perform a cell activation operation according to the indication information.
  • the serving base station of the NCT cell when the NCT cell is in an active state, the serving base station of the NCT cell sends an RRC reconfiguration command to the UE to enable the UE to perform the function of reporting the PPI. Then, the serving base station of the NCT cell receives the PPI reported by the user equipment.
  • the value of the above PPI is used to indicate "normal” or “power saving”; next, the serving base station of the NCT cell configures the state of the UE and/or the NCT cell according to the above PPI.
  • the serving base station of the NCT cell may configure the UE to be in a power saving state when the value of the PPI reported by the UE indicates that the power is saved. For example, after the power saving indication is received by the UE, the serving base station of the NCT cell may be It configures a longer DRX cycle or releases an RRC connection.
  • the serving base station of the NCT cell may also switch the UE to the neighboring cell, so that the NCT cell enters a sleep state. For example, when the serving base station of the NCT cell determines that the value of the "power saving" in the predetermined time length is greater than the number of ⁇ indicating that the value is "normal”, and the value indicating the "power saving” is the number and value indicating "normal” The service of the NCT community when the difference between the number of ⁇ is greater than or equal to the preset threshold The base station enters a sleep state, and switches the UE served by the NCT cell back to the macro cell.
  • the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the serving base station of the NCT cell sends the DTX mode information of the NCT cell to the serving base station of the neighboring cell, so that the serving base station of the neighboring cell sends the DTX mode information to the UE served by the serving base station of the neighboring cell, thereby
  • the UE can learn the related information of the downlink pilot of the neighboring NCT cell, and then the UE measures the neighboring NCT cell according to the DTX mode information, thereby avoiding waste of power caused by unnecessary measurement and saving the power of the UE;
  • the UE may send signaling to cause the NCT cell to perform activation and transition of the sleep state.
  • FIG. 5 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention. As shown in FIG. 5, the measurement method of the NCT cell may include:
  • Step 501 The serving base station of the UE sends the DTX mode information of the neighboring NCT cell of the serving cell where the UE is located to the UE.
  • the DTX mode information may be related information of the downlink pilot, and the downlink pilot may include a primary synchronization signal (Primary Synchronization Signal (hereinafter referred to as PSS), a secondary synchronization signal (Secondary Synchronization Signal; SSS), and a cell reference. Cell-specific Reference Signal (CRS), Channel-State Information Reference Signals (CSI-RS) or other newly designed pilots.
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • CRS Cell-specific Reference Signal
  • CSI-RS Channel-State Information Reference Signals
  • the DTX mode information includes one of the following information or a combination thereof: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot; and the DTX mode information may further include whether the NCT cell is in a sleep state or the like.
  • the base station may broadcast the DTX mode information to the UE served by the base station by using the broadcast message.
  • the base station may send the DTX mode information to the UE in the connected state served by the base station by using the RRC message.
  • Step 502 The UE performs measurement on the neighboring NCT cell according to the foregoing DTX mode information. Specifically, the UE may obtain the transmission time of the downlink pilot of the neighboring NCT cell according to the foregoing DTX mode information, and measure the neighboring NCT cell at the transmission time of the downlink pilot; or, the UE may obtain the phase according to the DTX mode information.
  • the UE may obtain the transmission time and the time-frequency position of the downlink pilot of the neighboring NCT cell according to the foregoing DTX mode information, and measure the neighboring NCT cell at the transmission time and the time-frequency position of the downlink pilot.
  • the serving base station when the serving base station only transmits the transmission time information of the downlink pilot, that is, the DTX mode information includes the transmission time information of the downlink pilot, and does not include the time-frequency position information of the downlink pilot, the UE specifies the time at the indicated time.
  • the time-frequency position is used to receive the pilot, and the specific time-frequency position can be fixed by the protocol or according to certain rules.
  • the serving base station When the serving base station only transmits the time-frequency position information of the downlink pilot, that is, the DTX mode information includes the time-frequency position information of the downlink pilot, and does not include the transmission time information of the downlink pilot, the time-frequency indicated by the UE at a specific time
  • the location is to receive the pilot, and the specific time can be fixed by the protocol or according to certain rules.
  • the serving base station simultaneously transmits the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot, that is, the DTX mode information includes the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot, the UE is instructed. Time to go to the indicated location to receive the pilot.
  • the UE After performing measurement on the neighboring NCT cell, for the idle state UE, if the measurement result of the neighboring NCT cell satisfies the cell reselection condition, the UE reselects to the neighboring NCT cell.
  • the UE reports the measurement result, and assists the serving base station of the UE to perform the handover decision.
  • the serving cell of the UE may be a macro cell, a micro cell, or a pico cell, and may be an NCT cell or a traditional cell, which is not limited herein.
  • the DTX mode information sent by the serving base station of the UE may be sent by the serving base station of the NCT cell by using an X2 interface, that is, an interface between a serving base station of the NCT cell and a serving base station of the UE.
  • the DTX mode information can be transmitted by designing a new X2 interface message or adding a new cell to the original X2 interface message.
  • the serving base station of the NCT cell passes the X2 interface message, for example, the base station configuration update message, where the base station configuration update message includes the DTX mode information of the NCT cell, and the DTX mode information of the NCT cell.
  • the serving base station of the UE After receiving the DTX mode information of the NCT cell sent by the serving base station of the NCT cell, the serving base station of the UE sends an X2 interface message (for example, a base station configuration update acknowledgement message) to the serving base station of the NCT cell. Confirmation.
  • an X2 interface message for example, a base station configuration update acknowledgement message
  • the DTX mode information sent by the serving base station of the UE may be the first MME to which the serving base station of the NCT cell is notified by the S1 interface message to the serving base station of the NCT cell, and then The second MME to which the MME sends the MME to the serving base station, and then sent by the second MME to the serving base station of the UE through the S1 interface message.
  • the serving base station of the UE may send an acknowledgment message to the second MME through the S1 interface between the UE and the second MME, and then the second MME sends an acknowledgment message to the first MME, where the first MME may pass the monthly service with the NCT cell.
  • the S1 interface between the base stations sends an acknowledgement message to the serving base station of the NCT cell.
  • the serving eNB of the NCT cell is the same as the MME to which the serving base station of the UE belongs, that is, when the first MME and the second MME are the same MME, the message between the MMEs may be omitted.
  • the DTX mode information sent by the serving base station of the UE may be obtained by the serving base station of the UE by using an OAM manner.
  • the foregoing embodiment can enable the UE to learn the related information of the downlink pilot of the neighboring NCT cell, avoid waste of power caused by performing measurement at the non-downlink pilot transmission time, and save power of the UE.
  • FIG. 6 is a flowchart of still another embodiment of a method for measuring a new carrier type cell according to the present invention. As shown in FIG. 6, the measurement method of the NCT cell may include:
  • Step 601 The UE receives measurement parameters of a neighboring NCT cell sent by the serving base station of the UE.
  • the DTX mode information may be received first, or the measurement parameters may be received first, and the DTX mode information and the measurement parameters may be simultaneously received.
  • measurement parameters may be received after step 502, i.e., after completion of measurements on neighboring NCT cells.
  • the embodiment of the invention does not impose any limitation.
  • the measurement parameter includes one or more of the following information: the indication information, the resource information of the indication information, the transmission manner of the indication information, and the transmission condition of the indication information.
  • the indication information is used to notify the UE of the type of the indication information to be sent.
  • the resource information of the indication information is used to notify the UE to use the resource used by the indication information.
  • the foregoing indication information is sent, for example, a periodic transmission, an event trigger, or a one-time transmission, which is not limited by the embodiment of the present invention;
  • the sending condition of the indication information is used to notify the UE of the indication information under what conditions, for example, the UE sends the indication information to the neighboring NCT cell when the measurement result of the neighboring NCT cell satisfies the transmission condition.
  • the serving base station of the UE may send the foregoing measurement parameter to the UE by using a system broadcast message.
  • the serving base station of the UE may also send the measurement parameter to the UE in the connected state by using an RRC message.
  • the UE in the connected state receives the foregoing measurement parameter by using an RRC message, the UE in the connected state sends a completion message to the serving base station of the UE.
  • the message used by the serving base station of the UE to send the measurement parameter may be a newly designed message, or a new information element (hereinafter referred to as IE) may be added to the existing message.
  • IE new information element
  • some or all of the measurement parameters may also be used to notify the UE in other manners, for example, the protocol is fixed, and the present invention does not limit the manner in which the measurement parameters are sent.
  • Step 602 The UE performs measurement on a neighboring NCT cell.
  • the UE may perform measurement on the neighboring NCT cell according to the preset measurement policy, and may also carry parameter information that needs to be measured by the UE in the foregoing measurement parameter, so that the UE performs measurement according to the parameter information that needs to be measured.
  • Step 603 If it is determined that the measurement result of the neighboring NCT cell meets the sending condition of the indication information, the UE sends the indication information to the neighboring NCT cell.
  • the measurement parameters may include indication information and transmission conditions of the indication information.
  • the above step 603 includes: when the measurement result of the neighboring NCT cell meets the sending condition of the indication information, the UE sends the indication information to the neighboring NCT cell, so that the neighboring NCT cell sends the indication information according to the UE. Perform a cell activation operation. Further, if the measurement parameter includes the sending manner of the indication information, the UE sends the indication information to the neighboring NCT cell according to the manner of sending the indication information.
  • the measurement parameter may also include only the indication information, and the transmission condition and the transmission mode of the indication information are preset on the UE side, or may be obtained by a protocol fixed or according to a certain rule; or the measurement parameter includes the indication information and the transmission of the indication information.
  • One of the conditions for sending the condition and indication information, other information not included is preset on the UE side, or may be fixed by the protocol or according to certain rules.
  • the measurement parameter may include one of resource information indicating information and indication information, or resource information including both indication information and indication information. That is, the serving base station can only notify What is the indication information to be sent by the UE, so that the UE can use the resource corresponding to the indication information to send the indication information; the serving base station can also only notify the UE to send the resource indicating the information used, so that the UE can determine to be sent according to the resource information.
  • the indication information is used to transmit the indication information by using the resource; of course, the serving base station can also notify the UE of the indication information to be sent and the resource used for transmission, so that the UE can send the indication information on the notified resource.
  • the serving base station may notify the UE that the indication information to be sent is a random access code (ie, the measurement parameter includes indication information), or notify the UE to send the resource indicating the information used.
  • the measurement parameter includes indication information
  • the measurement parameter includes the resource information of the indication information
  • the resource used for transmitting the indication information is a random access resource (ie, the measurement parameter includes the indication The resource information of the information and the indication information);
  • the UE may send the random access code to the neighboring NCT cell by using the random access resource.
  • the measurement parameter may include SR information and/or SR resources; at this time, the UE may send the SR to the neighboring NCT cell by using the SR resource.
  • the measurement parameter may include the SRS information and/or the SRS resource.
  • the UE may send the SRS to the neighboring NCT cell by using the SRS resource.
  • the UE sends the indication information (uplink indication signaling) to the neighboring NCT cell by using the uplink resource corresponding to the uplink information of the other form.
  • the measurement parameters may include one or more of the above information, and if there is a need to use the information that is not included in the measurement parameters, it may be preset on the U E side, or may be fixed by the protocol or acquired according to certain rules. In addition, the measurement parameters can also include all of the above information.
  • the embodiment of the invention does not impose any limitation.
  • the sending condition of the indication information may be that the signal command of the neighboring cell reaches the threshold.
  • this is only an example of the sending condition of the indication information, and the present invention is not limited thereto.
  • the conditions for transmitting the information are not limited.
  • the resource information of the foregoing indication information may be that the serving base station of the NCT cell sends the information to the serving base station of the UE through an X2 interface message with the serving base station of the UE, or the serving base station of the NCT cell passes the MME.
  • the service forwarded by the S1 interface to the UE The method for transmitting the DTX mode information in the embodiment shown in FIG. 5 is similar to that of the base station, and is not described here.
  • one or more of the foregoing measurement parameters may be sent by the serving base station of the NCT cell to the serving base station of the UE by using an X2 interface message with the serving base station of the UE, or may be a service of the NCT cell.
  • the manner in which the base station is forwarded to the serving base station of the UE through the MME through the S1 interface is also obtained by the OAM.
  • the specific method is similar to the method for transmitting the DTX mode information in the embodiment shown in FIG. 5 of the present invention, and details are not described herein.
  • Step 604 After the neighboring NCT cell receives the foregoing indication information sent by the UE, the neighboring NCT cell may perform a cell activation operation according to the foregoing indication information.
  • the UE when the NCT cell is in the sleep state, the UE enters the NCT cell, and the indication information indicates that the NCT cell performs an activation operation, thereby solving the problem that the sleep state NCT cell cannot serve the UE entering the NCT cell.
  • the average signal strength of the indication information or the appearance density of the indication information may be used. Considering comprehensively, it is decided to perform an activation operation to provide services for the above UE. Whether or not the NCT cell is ultimately activated depends on different implementations, and the present invention is not limited in many respects.
  • the indication signaling information sent by the multiple UEs to the same NCT cell may be configured to be the same.
  • different measurement parameters can also be configured for different UEs.
  • the NCT cell may re-enter the sleep state to end the service to the UE.
  • the UE may also receive an RRC reconfiguration command sent by the serving base station of the NCT cell, and then enable the function of reporting the PPI according to the RRC reconfiguration command to the serving base station of the NCT cell in the active state.
  • the PPI is reported, and the value of the PPI is used to indicate "normal" or "power saving"; for example, when the serving base station of the NCT cell indicates that the PPI value reported by the UE indicates power saving, the UE is configured to be in a power saving state, for example, After the UE receives the power saving indication, the serving base station of the NCT cell can configure a longer DRX cycle or release it. RRC connection, etc.
  • the serving base station of the NCT cell may also switch the UE to the neighboring cell, so that the NCT cell enters a sleep state. For example, when the serving base station of the NCT cell determines that the value of the "power saving" PPI is greater than the value indicating the "normal” PPI, and the value indicates that the "power saving" PPI number and value indicate "normal” When the difference between the number of PPIs is greater than or equal to a preset threshold, the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the NCT cell is re-awakened according to the solution of the embodiment shown in FIG. 6 of the present invention, thus forming a A complete NCT cell activation state and sleep state transition scheme.
  • the measurement method of the NCT cell provided by the present invention can reduce unnecessary measurement process performed by the UE to enter the NCT cell, and can perform signaling for the NCT cell to perform wake-up and sleep state conversion.
  • Embodiments of the present invention further provide an apparatus embodiment for implementing the steps and methods in the foregoing method embodiments.
  • the above device embodiments are applicable to base stations or UEs in various communication systems.
  • FIG. 7 is a schematic structural diagram of an embodiment of a user equipment according to the present invention.
  • the UE in this embodiment may implement the process of the embodiment shown in FIG. 1 of the present invention.
  • the UE may include: a receiving module 71 and a measurement module. 72;
  • the receiving module 71 is configured to receive DTX mode information that is sent by the serving base station of the UE, where the DTX mode information is DTX mode information of a neighboring NCT cell of the serving cell where the UE is located;
  • the measuring module 72 is configured to measure the neighboring NCT cells according to the DTX mode information received by the receiving module 71.
  • the receiving module 71 is specifically configured to: when the UE is in an idle state, receive DTX mode information that is broadcast by the serving base station of the UE by using a broadcast message; or, when the UE is in a connected state, the serving base station that receives the UE passes The DTX mode information of the broadcast message broadcast, or the DTX mode information that the serving base station of the UE transmits through the RRC message.
  • the DTX mode information sent by the serving base station of the UE may be sent by the serving base station of the neighboring NCT to the serving base station of the UE by using the X2 interface; or the DTX mode information sent by the serving base station of the UE may be an adjacent NCT.
  • the serving base station of the cell is sent to the first MME to which the serving base station of the neighboring NCT cell belongs by using the S1 interface message, and then sent by the first MME to the second MME to which the serving base station of the UE belongs, and then the second MME passes the S1 interface message.
  • the first MME and the second MME may be the same MME or different MMEs; or the DTX mode information sent by the serving base station of the UE may be the foregoing UE.
  • the serving base station is obtained by the OAM method.
  • the DTX mode information received by the receiving module 71 includes one or a combination of the following information: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot;
  • the measurement module 72 is specifically configured to obtain, according to the DTX mode information received by the receiving module 71, the transmission time of the downlink pilot of the neighboring NCT cell, and measure the neighboring NCT cell at the transmission time of the downlink pilot; or The module 72 is specifically configured to obtain, according to the DTX mode information received by the receiving module 71, the time-frequency position of the downlink pilot of the neighboring NCT cell, and measure the neighboring NCT cell at the time-frequency position of the downlink pilot; or, the measurement module The specific time is used to obtain the transmission time and the time-frequency position of the downlink pilot of the neighboring NCT cell according to the DTX mode information received by the receiving module 71, and measure the neighboring NCT cell at the transmission time and the time-frequency position of the downlink pilot.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE learns that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • the receiving module 71 can be a receiver or a transceiver.
  • the above measurement module 72 may be embedded in or independent of the processor of the base station in hardware, or may be stored in the memory of the base station in software, so that the processor invokes the operations corresponding to the above modules.
  • the processor can be a central processing unit (Central Processing Unit; hereinafter referred to as CPU), a microprocessor, a single chip microcomputer, or the like.
  • CPU central processing unit
  • microprocessor a single chip microcomputer, or the like.
  • the receiving module 71 receives the DTX mode information of the neighboring NCT cell sent by the serving base station of the UE, so that the related information of the downlink pilot of the neighboring NCT cell can be obtained, and then the measurement module 72 compares the information according to the DTX mode.
  • the neighboring NCT cells perform measurement, thereby avoiding waste of power due to unnecessary measurement, and saving power of the user equipment; in addition, the UE may send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 8 is a schematic structural diagram of another embodiment of a user equipment according to the present invention.
  • the UE in this embodiment can implement the process of the embodiment shown in FIG. 2 of the present invention, which is different from the UE shown in FIG. In the UE shown in 8,
  • the receiving module 71 is further configured to receive measurement parameters of neighboring NCT cells sent by the serving base station of the UE;
  • the UE may further include: a sending module 73;
  • the sending module 73 is configured to: after the measuring module 72 performs measurement on the neighboring NCT cell, send the indication information to the neighboring NCT cell according to the measurement result of the neighboring NCT cell and the measurement parameter received by the receiving module 71, where the indication information is Used to indicate that an adjacent NCT cell performs an activation operation.
  • the indication information is Used to indicate that an adjacent NCT cell performs an activation operation.
  • the measurement parameters received by the receiving module 71 include one or more of the following information: indication information, resource information of the indication information, transmission condition of the indication information, and transmission manner of the indication information; wherein the indication
  • the information is used to notify the UE of the type of the indication information to be sent.
  • the resource information of the indication information is used to notify the UE of the resource used by the indication information.
  • the manner of sending the indication information is used to notify the UE of the manner in which the indication information is sent.
  • a periodic transmission, an event trigger, or a one-time transmission, etc. is not limited by the embodiment of the present invention; the foregoing sending condition of the indication information is used to notify the UE under what conditions to send the indication information, for example, the UE is in the neighboring NCT cell.
  • the UE sends indication information to the neighboring NCT cell.
  • the measurement parameter may include the indication information and the transmission condition of the indication information.
  • the sending module 73 is specifically configured to: when the measurement result of the neighboring NCT cell meets the sending condition of the indication information by the UE, the indication information is used. And sending to the neighboring NCT cell, so that the neighboring NCT cell performs a cell activation operation according to the indication information sent by the UE.
  • the sending module 73 sends the indication information to the neighboring NCT cell according to the sending manner of the foregoing indication information.
  • the measurement parameter may also include only the indication information, and the transmission condition and the transmission mode of the indication information are preset on the UE side, or may be obtained by a protocol fixed or according to a certain rule; or the measurement parameter includes the indication information and the transmission of the indication information.
  • One of the conditions for sending the condition and indication information, other information not included is preset on the UE side, or may be fixed by the protocol or according to certain rules.
  • the measurement parameter may include one of resource information indicating information and indication information, or resource information including indication information and indication information. That is, the serving base station may only notify the UE of the indication information to be sent, so that the UE may use the resource corresponding to the indication information to send the indication information; the serving base station may also only notify the UE to send the resource indicating the information used, so that the UE
  • the indication information to be sent is determined according to the resource information, and the indication information is sent by using the resource.
  • the serving base station can also notify the UE of the indication information to be sent and the resource used for sending, so that the UE can be notified.
  • the indication information is sent on the resource.
  • the serving base station may notify
  • the indication information to be sent by the UE is a random access code (that is, the measurement parameter includes indication information), or the UE is notified to send the resource used by the indication information to be a random access resource (that is, the measurement parameter includes the resource information of the indication information); or the UE is simultaneously notified.
  • the indication information to be sent is that the random access code and the resource used for the transmission indication information are random access resources (that is, the measurement parameter includes the resource information of the indication information and the indication information).
  • the sending module 73 is specifically configured to pass the random The access resource sends the foregoing random access code to the neighboring NCT cell;
  • the measurement parameter may include the SR information and/or the SR resource; at this time, the sending module 73 is specifically configured to send the SR to the neighboring NCT cell by using the SR resource;
  • the foregoing measurement parameter may include SRS information.
  • the sending module 73 is specifically configured to send the SRS to the neighboring NCT cell by using the SRS resource.
  • the sending module 73 may send the indication information (uplink indication signaling) to the neighboring NCT cell by using the uplink resource corresponding to the other type of uplink information.
  • the measurement parameters may include one or more of the above information, and if there is a need to use the information that is not included in the measurement parameters, it may be preset on the U E side, or may be fixed by the protocol or acquired according to certain rules. In addition, the measurement parameters can also include all of the above information.
  • the embodiment of the invention does not impose any limitation.
  • the receiving module 71 is further configured to receive an RRC reconfiguration command sent by the serving base station of the NCT cell in an active state; and thereby enable the function of the upper PPI according to the RRC reconfiguration command.
  • the UE may further include: an upper module 74;
  • the reporting module 74 is configured to report the PPI to the serving base station of the NCT cell in the active state according to the RRC reconfiguration command received by the receiving module 71, so that the serving base station of the NCT cell in the active state configures the UE according to the PPI.
  • the state of the above NCT cell In the specific implementation, the reporting module 74 can report the PPI to the serving base station of the NCT cell in the active state through the sending module 73.
  • the value of the PPI is used to indicate "normal” or "power saving”; so that the serving base station of the NCT cell in the active state configures the UE to be in a power saving state when the value of the PPI reported by the UE indicates power saving. For example, after the UE reports the power saving indication, the serving base station of the NCT cell can configure a longer DRX cycle or release an RRC connection.
  • the serving base station of the NCT cell may also switch the UE to the neighboring cell, so that the NCT cell enters a sleep state. For example, when the serving base station of the NCT cell determines that the value of the "power saving" PPI is greater than the value indicating the "normal” PPI, and the value indicates that the "power saving" PPI number and value indicate "normal” When the difference between the number of PPIs is greater than or equal to a preset threshold, the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the serving base station of the NCT cell enters a sleep state, and the NCT is The cell served by the cell switches back to the macro cell.
  • the foregoing sending module 73 may be a transmitter or a transceiver
  • the receiving module 71 may be a receiver or a transceiver
  • the sending module 73 and the receiving module 71 may be integrated to form a transceiver unit, corresponding to hardware implementation.
  • Transceiver The above measurement module 72 and the reporting module 74 may be embedded in the hardware of the base station in hardware or stored in the memory of the base station in a software form, so that the processor calls to perform the operations corresponding to the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the foregoing UE can avoid waste of power due to unnecessary measurement and save power of the UE; in addition, the UE can send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 9 is a schematic structural diagram of an embodiment of a base station according to the present invention.
  • the base station in this embodiment may implement the process of the embodiment shown in FIG. 3 of the present invention.
  • the base station may include: an obtaining module 91 and a sending module 92. ;
  • the obtaining module 91 is configured to obtain DTX mode information, where the DTX mode information is DTX mode information of a neighboring NCT cell of a serving cell where the UE served by the base station is located;
  • the sending module 92 is configured to send the DTX mode information acquired by the acquiring module 91 to the UE served by the base station, so that the UE performs measurement on the neighboring NCT cell according to the DTX mode information.
  • the DTX mode information acquired by the obtaining module 91 includes one or a combination of the following information: the transmission time information of the downlink pilot and the time-frequency position information of the downlink pilot.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE knows that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • the sending module 92 is further configured to send the measurement parameter of the neighboring NCT cell to the UE.
  • the measurement parameter includes one or more of the following information: indication information, resource information of the indication information, and transmission condition of the indication information. And the way the above instructions are sent.
  • the indication information is used to notify the UE of the type of the indication information to be sent.
  • the resource information of the indication information is used to notify the UE to use the resource used by the indication information.
  • the foregoing indication information is sent, for example, a periodic transmission, an event trigger, or a one-time transmission, which is not limited by the embodiment of the present invention;
  • the sending condition of the indication information is used to notify the UE of the indication information under what conditions, for example, the UE sends the indication information to the neighboring NCT cell when the measurement result of the neighboring NCT cell satisfies the transmission condition.
  • the measurement parameter may include one or more of the above information. If there is a need to use the information that is not included in the measurement parameter, the information may be preset on the UE side, or may be fixed by the protocol or acquired according to a certain rule. In addition, the measurement parameters can also include all of the above information. The embodiment of the invention does not impose any limitation.
  • the sending, by the sending module 92, the DTX mode information to the UE served by the base station may be: the sending module 92, specifically for broadcasting the DTX mode information to the UE served by the base station by using a broadcast message; or The RRC message sends DTX mode information to the UE in the connected state served by the base station.
  • the DTX mode information sent by the sending module 92 may be sent by the serving base station of the neighboring NCT cell to the base station through the X2 interface; or the DTX mode information sent by the sending module 92 may be the serving base station of the neighboring NCT cell.
  • the first MME to which the serving base station to which the neighboring NCT cell belongs is sent by the first MME to the second MME to which the base station belongs, and then sent by the second MME to the base station by using the S1 interface message.
  • the first MME and the second MME may be the same MME, or may be different MMEs; or the DTX mode information sent by the sending module 92 may be obtained by using the OAM mode.
  • the foregoing sending module 92 may be a transmitter or a transceiver, and the foregoing obtaining module 91 may be embedded in the hardware of the base station in hardware or may be stored in the memory of the base station in software.
  • the processor calls to perform the operations corresponding to the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the sending module 92 sends the DTX mode information of the neighboring cell to the UE served by the base station, so that the UE can obtain the related information of the downlink pilot of the neighboring NCT cell, and then the UE compares the adjacent NCT according to the DTX mode information.
  • the cell performs measurement, thereby avoiding waste of power due to unnecessary measurement and saving power of the UE; in addition, the UE may send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 10 is a schematic structural diagram of another embodiment of a base station according to the present invention.
  • the base station in this embodiment is a serving base station of an NCT cell, and can implement the process of the embodiment shown in FIG. 4 of the present invention.
  • the base station may include: an obtaining module 1001 and a sending module 1002.
  • the acquiring module 1001 is configured to obtain DTX mode information of the NCT cell, where the DTX mode information includes one or a combination of the following information: The transmission time information of the pilot and the time-frequency position information of the downlink pilot.
  • the foregoing DTX mode information may further include status information of the NCT cell, and is used to indicate whether the NCT cell is in a sleep state.
  • the UE knows that when the NCT cell is in the sleep state, the UE sends the indication information according to the measurement parameter, which can save resources.
  • the UE may also determine whether to send the indication information from the transmission condition of the indication information without knowing the status information of the NCT cell.
  • the sending module 1002 is configured to send, by the serving base station of the neighboring cell, the acquired by the acquiring module 1001.
  • the DTX mode information is such that the serving base station of the neighboring cell sends the DTX mode information to the UE served by the serving base station of the neighboring cell, and the UE measures the NCT cell according to the DTX mode information.
  • the foregoing DTX mode information may be obtained by the serving base station of the NCT cell by using the OAM mode; or may be configured by the serving base station of the NCT cell according to the current service or the topology information, which is not limited in the embodiment of the present invention.
  • the foregoing sending module 1002 may be a transmitter or a transceiver, and the foregoing obtaining module 1001 may be embedded in the hardware of the base station or may be stored in the memory of the base station in software, so that The processor calls to perform the operations corresponding to the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the sending module 1002 sends the DTX mode information of the NCT cell to the serving base station of the neighboring cell, so that the serving base station of the neighboring cell sends the DTX mode information to the UE served by the serving base station of the neighboring cell, so that the UE
  • the information about the downlink pilot of the neighboring NCT cell can be obtained, and then the UE measures the neighboring NCT cell according to the DTX mode information, so that the power consumption caused by the unnecessary measurement can be avoided, and the power of the UE is saved.
  • Signaling is sent to cause the NCT cell to perform an active and sleep state transition.
  • FIG. 11 is a schematic structural diagram of another embodiment of a base station according to the present invention.
  • the base station shown in FIG. 11 may further include: a receiving module 1003 and an activation module 1004.
  • the receiving module 1003 is configured to send the foregoing DTX mode information in the sending module 1002. After receiving the indication information sent by the UE;
  • the activation module 1004 performs a cell activation operation according to the indication information received by the receiving module 1003.
  • FIG. 12 is a schematic structural diagram of another embodiment of a base station according to the present invention.
  • the sending module 1002 is further configured to send an RRC reconfiguration to the UE when the NCT cell is in an active state.
  • the command is used to enable the UE to enable the function of reporting the PPI.
  • the receiving module 1003 is further configured to receive a PPI reported by the UE;
  • the foregoing base station may further include: a configuration module 1005;
  • the configuration module 1005 is configured to configure a state of the UE and/or the NCT cell according to the PPI received by the receiving module 1003.
  • the value of the PPI is used to indicate "normal” or “power saving”; when the value of the PPI reported by the UE in the NCT cell indicates that the power is saved, the UE is configured to be in a power saving state, for example, when the UE After the power saving indication is reported, the configuration module 1005 can configure a longer DRX cycle or release an RRC connection.
  • the serving base station of the NCT cell may also switch the UE to the neighboring cell, so that the NCT cell enters a sleep state. For example, when the serving base station of the NCT cell determines that the value of the "power saving" PPI is greater than the value indicating the "normal” PPI, and the value indicates that the "power saving" PPI number and value indicate "normal” When the difference between the number of PPIs is greater than or equal to a preset threshold, the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the serving base station of the NCT cell enters a sleep state, and the UE served by the NCT cell is switched back to the macro cell.
  • the sending module 1002 is specifically configured to send the DTX mode information of the NCT cell to the serving base station of the neighboring cell through the X2 interface, or send the DTX mode information of the NCT cell to the NCT cell by using an S1 interface message.
  • the first MME sends the DTX mode information of the NCT cell to the second MME to which the serving base station of the neighboring cell belongs, and then the second MME sends the DTX of the NCT cell by using the S1 interface message.
  • the mode information is sent to the serving base station of the neighboring cell.
  • the first MME and the second MME may be the same MME or different MMEs.
  • the foregoing sending module 1002 may be a transmitter or a transceiver
  • the receiving module 1003 may be a receiver or a transceiver
  • the sending module 1002 and the receiving module 1003 may be integrated to form a transceiver unit, corresponding to hardware implementation.
  • the above obtaining module 1001, the activating module 1004, and the configuration module 1005 may be embedded in the hardware of the base station or may be stored in the memory of the base station in a software form, so that the processor calls the execution of each of the above modules. Operation.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the sending module 1002 sends the DTX mode information of the NCT cell to the serving base station of the neighboring cell, so that the serving base station of the neighboring cell sends the DTX mode information to the UE served by the serving base station of the neighboring cell, so that the UE
  • the information about the downlink pilot of the neighboring NCT cell can be obtained, and then the UE measures the neighboring NCT cell according to the DTX mode information, so that the power consumption caused by the unnecessary measurement can be avoided, and the power of the UE is saved.
  • Signaling is sent to cause the NCT cell to perform an active and sleep state transition.
  • FIG. 13 is a schematic structural diagram of still another embodiment of a user equipment according to the present invention.
  • the UE may include a transmitter 1301, a receiver 1302, a memory 1303, and a transmitter 1301, a receiver 1302, and a memory 1303, respectively.
  • the UE may also include a common component such as an antenna and an input/output device, and the embodiment of the present invention is not limited herein.
  • the memory 1303 stores a set of program codes
  • the processor 1304 is configured to call the program code stored in the memory 1303 to perform the following operations:
  • DTX mode information sent by the serving base station of the UE, where the DTX mode information is DTX mode information of a neighboring NCT cell of the serving cell where the UE is located;
  • the UE performs measurement on the neighboring NCT cells according to the above DTX mode information.
  • processor 1304 calls the program code stored in the memory 1303, and is also used to perform the following operations:
  • the NCT cell sends indication information, which is used to indicate that the neighboring NCT cell performs an activation operation.
  • the UE in this embodiment may be used to implement FIG. 1 and/or FIG. 2 of the present invention.
  • the method provided by the illustrated embodiment, and the description of the DTX mode information and the measurement parameters and the like are the same as the above method embodiments, and details are not described herein again.
  • the foregoing embodiment can avoid waste of power due to unnecessary measurement and save power of the UE.
  • the UE can send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 14 is a schematic structural diagram of still another embodiment of a base station according to the present invention.
  • the base station may include a transmitter 1401, a receiver 1402, a memory 1403, and a process respectively connected to the transmitter 1401, the receiver 1402, and the memory 1403. 1404.
  • the base station may also include a common component such as an antenna, a baseband processing component, a medium-frequency processing component, and an input/output device.
  • the embodiment of the present invention is not limited herein.
  • the memory 1403 stores a set of program codes
  • the processor 1404 is configured to call the program code stored in the memory 1403 to perform the following operations:
  • the DTX mode information is obtained by the base station, where the DTX mode information is DTX mode information of a neighboring NCT cell of the serving cell where the UE served by the base station is located;
  • the base station sends the DTX mode information to the UE, so that the UE performs measurement on the neighboring NCT cell according to the DTX mode information.
  • the base station shown in FIG. 14 can be used to implement the method provided by the embodiment shown in FIG. 3 of the present invention, and the descriptions of the DTX mode information, the measurement parameters, and the like are the same as the above method embodiments, where No longer.
  • the foregoing embodiment can avoid waste of power due to unnecessary measurement and save power of the UE.
  • the UE can send signaling to perform activation and sleep state transition of the NCT cell.
  • FIG. 15 is a schematic structural diagram of another embodiment of a base station according to the present invention.
  • the base station in this embodiment is a serving base station of an NCT cell.
  • the base station may include a transmitter 1501, a receiver 1502, a memory 1503, and respectively
  • the processor 1504 is connected to the transmitter 1501, the receiver 1502, and the memory 1503.
  • the base station may also include a common component such as an antenna, a baseband processing component, a medium-frequency processing component, and an input/output device.
  • the embodiment of the present invention is not limited herein.
  • the memory 1503 stores a set of program codes
  • the processor 1504 is configured to call the program code stored in the memory 1503 to perform the following operations:
  • the serving base station of the NCT cell acquires DTX mode information of the NCT cell
  • the serving base station of the NCT cell sends DTX mode information to the serving base station of the neighboring cell, so that The serving base station of the neighboring cell sends the DTX mode information to the UE of the serving base station of the neighboring cell, and the UE measures the NCT cell according to the DTX mode information.
  • the base station shown in FIG. 15 may be used to implement the method provided by the embodiment shown in FIG. 4 of the present invention, and the descriptions of the DTX mode information, the measurement parameters, and the like are the same as the above method embodiments, where No longer.
  • the foregoing embodiment can avoid waste of power due to unnecessary measurement and save power of the UE.
  • the UE can send signaling to perform activation and sleep state transition of the NCT cell.
  • the invention further provides a computer program product comprising a computer readable medium, the computer readable medium comprising a set of program code for performing the method provided by an embodiment of the method of the invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the embodiment description, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de mesure de cellule à nouveau type de porteuse, un équipement utilisateur et une station de base. Le procédé de mesure de cellule à nouveau type de porteuse comprend les étapes suivantes : un équipement utilisateur reçoit des informations de mode DTX envoyées par une station de base serveuse de l'équipement utilisateur, les informations de mode DTX étant des informations de mode DTX concernant une cellule NCT voisine d'une cellule de desserte dans laquelle se trouve l'équipement utilisateur ; et l'équipement utilisateur mesure la cellule NCT voisine conformément aux informations de mode DTX. Conformément à la présente invention, l'équipement utilisateur peut effectuer l'apprentissage d'informations associées concernant une fréquence pilote de liaison descendante de la cellule NCT voisine, cela lui permettant d'éviter la consommation inutile d'électricité provoquée par la mesure inutile, et d'économiser la consommation d'électricité de l'équipement utilisateur.
PCT/CN2012/085002 2012-11-22 2012-11-22 Procédé de mesure d'une cellule à nouveau type de porteuse, équipement utilisateur et station de base WO2014079008A1 (fr)

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CN201280025245.9A CN103947244B (zh) 2012-11-22 2012-11-22 新载波类型小区的测量方法、用户设备和基站
PCT/CN2012/085002 WO2014079008A1 (fr) 2012-11-22 2012-11-22 Procédé de mesure d'une cellule à nouveau type de porteuse, équipement utilisateur et station de base

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CN110740495B (zh) * 2018-07-18 2021-06-29 中国移动通信有限公司研究院 一种降低终端功耗的方法、ue、基站及计算机存储介质

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