WO2015109436A1 - Procédé de mesurage de signaux de référence, équipement d'utilisateur, et dispositif de réseau - Google Patents

Procédé de mesurage de signaux de référence, équipement d'utilisateur, et dispositif de réseau Download PDF

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Publication number
WO2015109436A1
WO2015109436A1 PCT/CN2014/070956 CN2014070956W WO2015109436A1 WO 2015109436 A1 WO2015109436 A1 WO 2015109436A1 CN 2014070956 W CN2014070956 W CN 2014070956W WO 2015109436 A1 WO2015109436 A1 WO 2015109436A1
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WO
WIPO (PCT)
Prior art keywords
cell
user equipment
synchronization
reference signal
information
Prior art date
Application number
PCT/CN2014/070956
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English (en)
Chinese (zh)
Inventor
李秉肇
权威
胡振兴
张戬
杨晓东
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/070956 priority Critical patent/WO2015109436A1/fr
Priority to CN201480000326.2A priority patent/CN104937992B/zh
Priority to CN201811161317.8A priority patent/CN108990144B/zh
Publication of WO2015109436A1 publication Critical patent/WO2015109436A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a reference signal measuring method, a user equipment, and a network device.
  • CRS Codel l Reference S ignal
  • LTE Long Term Evolution
  • the UE needs to detect the synchronization channel of the cell, define the frame boundary according to the synchronization channel, and then determine the CRS according to the frame boundary information and the cell PCI (Phys i ca l Cel l Ident if ier). Location, including time domain location and frequency domain location.
  • the CRS transmission location of the LTE cell is fixed.
  • the UE User Equipment
  • the UE User Equipment
  • Unlicensed spectrum refers to the public spectrum, which can be used by any organization or individual.
  • the rules of listening and sending are followed, that is, the CRS signal can be sent on the unlicensed spectrum only when the spectrum is idle. , causing CRS signals of some cells to appear discontinuously.
  • the CRS signal of the cell does not appear continuously, even if the UE knows the PCI, it is possible that the CRS signal corresponding to the PCI is not transmitted in the time domain position and the frequency domain position of the corresponding CRS. If the UE performs CRS measurements on these locations and processes the measurements, an inaccurate measurement may occur.
  • a reference signal measuring method, a user equipment, and a network device are provided, which can solve the problem that the measurement result obtained by measuring the CRS signal is inaccurate when the CRS signal sent by the cell does not continuously appear.
  • a user equipment including:
  • the receiving unit is configured to receive the first cell configuration information that is sent by the network side, where the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of the first cell, and the first The physical cell of the cell identifies PCI information;
  • a synchronization unit configured to acquire synchronization of the first cell
  • a measuring unit configured to: after the synchronization unit acquires synchronization of the first cell, measure a reference signal sent by the first cell according to the first cell configuration information.
  • the synchronization unit includes: a first synchronization sub-unit, configured to determine a frame boundary of the first cell according to a frame boundary of the second cell, and acquire synchronization of the first cell, where the second cell is a cell that has obtained synchronization of the UE .
  • the receiving unit is further configured to receive a synchronization notification message sent by the third cell.
  • the synchronization unit further includes: a second synchronization subunit, configured to determine, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and synchronize the first cell according to the synchronization channel.
  • the receiving unit is further configured to receive, according to the RNTI information, the third cell, a first message, wherein a time difference between a time when the third cell sends the first message and a time when the first cell sends a reference signal is a second time difference, where the second time difference is preset or carried In the first message;
  • the measuring unit includes: a first determining subunit, configured to determine, according to a sending moment of the first message and the second time difference, a time at which the first cell sends a reference signal;
  • a measuring subunit configured to measure the reference signal sent by the first cell according to a time when the first cell sends a reference signal.
  • the measuring unit when the first cell configuration information includes the frequency information of the first cell and the PCI information, the measuring unit includes:
  • Obtaining a subunit configured to acquire, according to frequency information and PCI information of the first cell, a signal quality or a signal strength of a reference signal sent by the first cell;
  • the measurement subunit is further configured to measure the reference signal whose signal quality or signal strength is greater than a preset threshold; or
  • the measuring subunit is further configured to select N pieces of the reference signals with a large signal quality or signal strength within a set time for measurement, where N is a positive integer.
  • the receiving unit when the first cell configuration information includes the PCI information of the first cell, the receiving unit is further configured to receive a broadcast message of the first cell.
  • the broadcast message carries cell identification information, where the cell identity information includes PCI information and a public land mobile network identifier PLMNID;
  • the measuring unit is configured to: when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same, measure the reference signal associated with the broadcast message.
  • the measuring unit when the first cell configuration information includes the PCI information of the first cell, the measuring unit further includes: a second determining subunit, configured to determine an appearance time and a location of the reference signal according to a location where the synchronization channel appears and PCI information of the first cell;
  • the measurement subunit is further configured to measure the reference signal according to an appearance time and a position of the reference signal.
  • the receiving unit is further configured to receive an offset value off sent by the network side, where the offset value is a difference between a frame boundary of a cell and a frame boundary of the second cell;
  • the first synchronization subunit includes:
  • a frame boundary determining subunit configured to determine a frame boundary of the first cell according to the offset value and a frame boundary of the second cell.
  • the receiving unit is specifically configured to receive, according to the RNTI information, the synchronization notification message, where the third cell sends a The time difference between the time when the synchronization notification message is sent and the time when the first cell sends the synchronization channel is a first time difference, where the first time difference is preset or carried in the synchronization notification message;
  • the second synchronization sub-unit is configured to determine, according to the sending time of the synchronization notification message and the first time difference, a time at which the first cell sends a synchronization channel, according to a time when the first cell sends a synchronization channel, The first cell synchronization is performed.
  • the synchronization notification message received by the receiving unit carries a cell list consisting of cells included in the first cell, where the cell list is used to indicate a corresponding cell in the first cell that sends a synchronization channel.
  • the first message received by the receiving unit is carried by a cell list consisting of cells included in the first cell, where the cell list is used to indicate a corresponding cell in the first cell that sends a reference signal.
  • the synchronization notification message further includes the first cell sending The duration and/or transmission period of the synchronization channel;
  • the synchronization unit is further configured to perform first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the first message received by the receiving unit further includes a duration of the first cell sending the reference signal / or send cycle;
  • the measuring unit is further configured to measure the reference signal sent by the first cell according to a duration and/or a sending period of the first cell sending the reference signal.
  • a user equipment including:
  • a receiver configured to receive first cell configuration information that is sent by the network side, where the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of the first cell, and the first The physical cell of the cell identifies PCI information;
  • a processor configured to acquire synchronization of the first cell, and configured to measure a reference signal sent by the first cell according to the first cell configuration information.
  • the processor is specifically configured to determine, according to a frame boundary of the second cell, a frame boundary of the first cell, and obtain synchronization of the first cell, where
  • the second cell is a cell of the UE that has obtained synchronization.
  • the receiver is further configured to receive a synchronization notification message sent by the third cell;
  • the processor is specifically configured to: determine, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and synchronize the first cell according to the synchronization channel.
  • the receiver is further configured to receive, according to the RNTI information, the third cell, a first message, where a time difference between a time when the third cell sends the first message and a time when the first cell sends a reference signal is a second time difference, where the second time difference is preset or carried In the first message;
  • the processor is specifically configured to determine, according to the sending moment of the first message and the second time difference, a time at which the first cell sends a reference signal;
  • the processor when the first cell configuration information includes the frequency information of the first cell and the PCI information, the processor is further configured to: according to the first The frequency information and the PCI information of the cell acquire the signal quality or signal strength of the reference signal sent by the first cell; The reference signal whose signal quality or signal strength is greater than a preset threshold is measured; or, the N reference signals having a large signal quality or signal strength within a set time are selected for measurement, where N is a positive integer.
  • the receiver when the first cell configuration information includes the PCI information of the first cell, the receiver is further configured to receive the broadcast message of the first cell.
  • the broadcast message carries cell identification information, where the cell identity information includes PCI information and a public land mobile network identifier PLMNID;
  • the processor is further configured to: when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same, measure the reference signal associated with the broadcast message.
  • the processor is further configured to: according to a location and location of the synchronization channel Determining the appearance time and location of the reference signal by using PC I information of the first cell;
  • the reference signal is measured according to the time and location of occurrence of the reference signal.
  • the receiver is further configured to receive an offset value off sent by the network side, where the offset value is a difference between a frame boundary of a cell and a frame boundary of the second cell;
  • the processor is further configured to determine a frame boundary of the first cell according to the offset value and a frame boundary of the second cell.
  • the receiver is specifically configured to receive, according to the RNTI information, the synchronization notification message, where the third cell sends a The time difference between the time when the synchronization notification message is sent and the time when the first cell sends the synchronization channel is a first time difference, where the first time difference is preset or carried in the synchronization notification message;
  • the processor is specifically configured to determine, according to the sending time of the synchronization notification message and the first time difference, a time at which the first cell sends a synchronization channel, and perform a first according to a time when the first cell sends a synchronization channel. Cell synchronization.
  • the receiver when the first cell includes at least two cells, the receiver receives The synchronization notification message carries a cell list consisting of cells included in the first cell, where the cell list is used to indicate a corresponding cell in the first cell that sends a synchronization channel.
  • the first message received by the receiver carries A cell list consisting of cells included in the first cell, where the cell list is used to indicate a corresponding cell in the first cell that sends a reference signal.
  • the synchronization notification message further includes: continuing to send the synchronization channel by the first cell Time and / or transmission period;
  • the processor is further configured to perform first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the first message received by the receiver further includes a duration of the first cell sending the reference signal / or send cycle;
  • a network device including:
  • An information generating unit configured to generate first cell configuration information, where the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of a first cell, and a physicality of the first cell Cell identification PCI information;
  • a sending unit configured to send the first cell configuration information generated by the information generating unit to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first cell configuration information.
  • the network device further includes: a configuration unit, configured to configure an offset value offset for the user equipment, so that the user equipment is configured according to the offset The value is obtained by the synchronization of the first cell, where the offset is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the second cell is the user equipment A cell that has been synchronized.
  • the sending unit is further configured to send a synchronization notification message to the user equipment, so that the user equipment acquires the first cell according to the synchronization notification message. Synchronization.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization according to the duration and/or the transmission period.
  • a channel, where the first cell includes at least two cells the synchronization notification message carries a cell list consisting of cells included in the first cell, so that the user equipment searches for the first according to the cell list.
  • the synchronization channel of the cell is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization according to the duration and/or the transmission period.
  • the sending unit is further configured to: after the sending the synchronization notification message, send a synchronization channel by using a first time interval, where the first time interval And being sent to the user equipment in advance in the synchronization notification message, so that the user equipment searches for the synchronization channel according to the first time interval.
  • the sending unit is further configured to send a first message to the user equipment, so that the user equipment is configured to measure the first cell according to the first message.
  • the reference signal transmitted.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period; when the first cell includes at least
  • the first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures a reference signal of the first cell according to the cell list.
  • the sending unit is further configured to: after the sending the first message, send the reference signal by using a second time interval, where the second The time interval is predefined or carried in the first message and sent to the user equipment, so that the user equipment measures the reference signal according to the second time interval.
  • the sending unit is further configured to send a broadcast message to the user equipment, where the broadcast message carries cell identifier information, where the cell identifier information includes PCI information,
  • the user equipment measures the reference signal associated with the broadcast message when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same.
  • a network device including:
  • a processor configured to generate first cell configuration information, where the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of a first cell, and a physical cell of the first cell Identify PC I information;
  • a transmitter configured to send, to the user equipment, the first cell configuration information generated by the processor, where The user equipment is configured to measure the reference signal sent by the first cell according to the first cell configuration information.
  • the network device further includes: a processor, configured to configure an offset value offset for the user equipment, so that the user equipment is configured according to the offset The value is obtained by the synchronization of the first cell, where the offset is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the second cell is the user equipment A cell that has been synchronized.
  • the transmitter is further configured to send a synchronization notification message to the user equipment, so that the user equipment acquires the first cell according to the synchronization notification message. Synchronization.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization channel according to the duration and/or the transmission period; when the first cell includes at least two
  • the synchronization notification message carries a cell list composed of cells included in the first cell, so that the user equipment searches for a synchronization channel of the first cell according to the cell list.
  • the transmitter is further configured to: after the sending the synchronization notification message, send a synchronization channel by using a first time interval, where the first time interval is And being sent to the user equipment in advance in the synchronization notification message, so that the user equipment searches for the synchronization channel according to the first time interval.
  • the transmitter is further configured to send a first message to the user equipment, to enable the user equipment to measure the first cell according to the first message.
  • the reference signal transmitted.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period; when the first cell includes at least
  • the first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures a reference signal of the first cell according to the cell list.
  • the transmitter And the method is further configured to: after the sending the first message, send the reference signal by using a second time interval, where the second time interval is predefined or carried in the first message and sent to the user equipment, so as to be The user equipment measures the reference signal according to the second time interval.
  • the transmitter is further configured to send a broadcast message to the user equipment, where the broadcast message carries cell identifier information, where the cell identifier information includes PCI information,
  • the user equipment measures the reference signal associated with the broadcast message when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same.
  • a reference signal measurement method including:
  • the user equipment UE receives the first cell configuration information that is sent by the network side, where the first cell configuration information includes at least one of the following: the radio network temporary identifier RNTI information, the frequency information of the first cell, and the first cell Physical cell identification PC I information;
  • the UE acquires synchronization of the first cell
  • the UE After acquiring the synchronization of the first cell, the UE measures a reference signal sent by the first cell according to the first cell configuration information.
  • the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE determines a frame boundary of the first cell according to a frame boundary of the second cell, and acquires synchronization of the first cell, where the second cell is a cell that has obtained synchronization of the UE.
  • the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE Receiving, by the UE, a synchronization notification message sent by the third cell; the UE determining, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and synchronizing the first cell according to the synchronization channel.
  • the UE when the first cell configuration information includes the RNTI information, the UE sends, according to the first cell configuration information, the first cell, Before the reference signal, the method further includes:
  • the UE measures a reference signal packet sent by the first cell according to the first cell configuration information.
  • the UE measures, according to the first cell configuration information,
  • the reference signals sent by the first cell include:
  • the UE measures the reference signal whose signal quality or signal strength is greater than a preset threshold
  • the UE selects the N reference signals with a large signal quality or signal strength within a set time to perform measurement, where N is a positive integer.
  • the UE measures the first information according to the first cell configuration information.
  • the method includes:
  • the broadcast message carries cell identification information, where the cell identity information includes PCI information and a public land mobile network identifier PL display ID;
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE measures the reference signal associated with the broadcast message.
  • the UE measures the first according to the first cell configuration information.
  • the reference signals sent by the cell include:
  • the method before the determining, by the UE, the frame boundary of the first cell according to a frame boundary of the second cell, the method further includes :
  • the receiving, by the UE, the synchronization notification message sent by the third cell includes:
  • the UE receives the synchronization notification message according to the RNTI information, where a time difference between a time when the third cell sends the synchronization notification message and a time when the first cell sends a synchronization channel is a first time difference,
  • the first time difference is preset or carried in the synchronization notification message;
  • the UE determines, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and the first cell according to the synchronization channel is synchronized: the UE sends a synchronization time according to the synchronization notification message and the first time difference. Determining a time at which the first cell sends a synchronization channel, performing first cell synchronization according to a time at which the first cell sends a synchronization channel.
  • the ninth possible implementation manner when the first cell includes at least two cells, in the synchronization notification message And carrying a cell list consisting of the cells included in the first cell, where the cell list is used to indicate a corresponding cell in the first cell that sends a synchronization channel.
  • the first message is carried by the first cell A cell list composed of cells, where the cell list is used to indicate a corresponding cell in the first cell that transmits a reference signal.
  • the synchronization notification message further includes: continuing to send the synchronization channel by the first cell Time and / or transmission period;
  • the acquiring, by the UE, the synchronization of the first cell includes: performing, by the UE, the first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the first message further includes a duration and/or a transmission period of the first cell sending the reference signal
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes: measuring, by the UE, a duration and/or a transmission period according to the first cell sending a reference signal a reference signal sent by the first cell.
  • a reference signal measurement method including:
  • the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of the first cell, and physical cell identifier PCI information of the first cell;
  • the first cell configuration information is sent to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first cell configuration information.
  • the method further includes: configuring an offset value offset for the user equipment, so as to facilitate The user equipment acquires the synchronization of the first cell according to the offset value, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the The two cells are cells of the user equipment that have been synchronized.
  • the method further includes: sending a synchronization notification message to the user equipment, to facilitate the user The device acquires synchronization of the first cell according to the synchronization notification message.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization channel according to the duration and/or the transmission period; when the first cell includes at least two
  • the synchronization notification message carries a cell list composed of cells included in the first cell, so that the user equipment searches for a synchronization channel of the first cell according to the cell list.
  • the method further includes: sending a synchronization channel after the first time interval, where The first time interval is pre-defined or carried in the synchronization notification message and sent to the user equipment, so that the user equipment searches for the synchronization channel according to the first time interval.
  • the method further includes: sending a first message to the user equipment, to facilitate the user The device measures the reference signal sent by the first cell according to the first message.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period; when the first cell includes at least The first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures a reference signal of the first cell according to the cell list.
  • the method further includes: sending the reference signal by using a second time interval,
  • the second time interval is predefined or carried in the first message and sent to the user equipment, so that the user equipment measures the reference signal according to the second time interval.
  • the method further includes: sending a broadcast message to the user equipment, where the broadcast message is carried Cell identification information, the cell identity information includes PCI information, so that when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same, the user equipment is associated with the broadcast message.
  • the reference signal is measured.
  • the user equipment UE receives the first cell configuration information that is sent by the network side, where the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, The frequency information of the first cell and the physical cell identifier PCI information of the first cell; the UE acquires the synchronization of the first cell; after acquiring the synchronization of the first cell, the UE measures the first cell configuration information according to the first cell The reference signal transmitted by the first cell.
  • the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, The frequency information of the first cell and the physical cell identifier PCI information of the first cell
  • the UE acquires the synchronization of the first cell
  • the UE measures the first cell configuration information according to the first cell The reference signal transmitted by the first cell.
  • the problem that the result of measuring the CRS signal is inaccurate when the CRS signal sent by the cell is discontinuous is solved.
  • the user equipment can accurately obtain the occurrence position of the discontinuous CRS signal according to the first cell configuration information, and further measure the CRS of the position, thereby improving the accuracy of the measurement result; based on the same principle, searching for the discontinuous synchronization channel is also You can improve the accuracy of your sync search and speed up your synchronization.
  • FIG. 1 and FIG. 2 are schematic diagrams showing the structure of a user equipment according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a user equipment according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a mobile phone according to another embodiment of the present invention.
  • FIG. 5 and FIG. 6 are schematic diagrams showing the structure of a network device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 9 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 10 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 11 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 12 is a flowchart of a method according to another embodiment of the present invention. detailed description
  • first, second, third, etc. may be used to describe various cells, parameters, and configuration information in embodiments of the present invention, such cells, parameters, and configuration information should not be limited to these terms. These terms are only used to distinguish cells, parameters, and configuration information from each other.
  • the first cell may also be referred to as a second cell without departing from the scope of the embodiments of the present invention.
  • the second cell may also be referred to as a first cell.
  • the word “if” as used herein can be interpreted as “at time” or “when” or “in response to a determination” or “response” For testing”.
  • the phrase “if determined” or “if detected (conditions or events stated)” can be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) ) when “or” responds to Detect (stated condition or event).
  • An embodiment of the present invention provides a user equipment (User Equipment, abbreviated as UE) 10 .
  • the user equipment 10 includes:
  • the receiving unit 11 is configured to receive the first cell configuration information that is sent by the network, where the first cell configuration information includes at least one of the following: a radio network temporary identifier (Radio Network Temporary Identation, RNTI) Information, first 'J, frequency information of the zone, and physical cell identity PC I information of the first cell;
  • a radio network temporary identifier Radio Network Temporary Identation, RNTI
  • the synchronization unit 12 is configured to acquire synchronization of the first cell.
  • the measuring unit 13 is configured to measure, after the synchronization unit 12 acquires synchronization of the first cell, a reference signal sent by the first cell according to the first cell configuration information.
  • the synchronization unit 12 includes:
  • a first synchronization sub-unit 121 configured to determine a frame boundary of the first cell according to a frame boundary of the second cell, to acquire synchronization of the first cell, where the second cell is that the UE has obtained synchronization Community.
  • the receiving unit 11 is further configured to receive an offset value off sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell;
  • the first synchronization subunit 121 includes:
  • the frame boundary determining subunit 1211 is configured to determine a frame boundary of the first cell according to the offset value and a frame boundary of the second cell.
  • the receiving unit 11 is further configured to receive a synchronization notification message that is sent by the third cell.
  • the synchronization unit 12 further includes:
  • the second synchronization sub-unit 122 is configured to determine, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and synchronize the first cell according to the synchronization channel.
  • the receiving unit 11 is specifically configured to receive, according to the RNTI information, the synchronization notification message, where a time between the time when the third cell sends the synchronization notification message and the time when the first cell sends a synchronization channel
  • the difference is a first time difference, where the first time difference is preset or carried in the synchronization notification message;
  • the second synchronization sub-unit 122 is specifically configured to determine, according to the sending moment of the synchronization notification message and the first time difference, a moment when the first cell sends a synchronization channel, according to a moment when the first cell sends a synchronization channel. , performing first cell synchronization.
  • the receiving unit 11 is further configured to receive, according to the RNTI information, a first message sent by the third cell, where the third The time difference between the time when the cell sends the first message and the time when the first cell sends the reference signal is a second time difference, where the second time difference is preset or carried in the first message;
  • the measuring unit 13 includes:
  • a first determining sub-unit 131 configured to determine, according to the sending moment of the first message and the second time difference, a time at which the first cell sends a reference signal
  • the measuring subunit 132 is configured to measure the reference signal sent by the first cell according to a time when the first cell sends a reference signal.
  • the synchronization notification message received by the receiving unit carries a cell list consisting of cells included in the first cell, where the cell list is used to indicate sending a corresponding cell in the first cell of the synchronization channel.
  • the first message received by the receiving unit carries a cell list consisting of cells included in the first cell, where the cell list is used to indicate that a reference signal is sent. The corresponding cell in the first cell.
  • the synchronization notification message further includes a duration and/or a transmission period of the synchronization channel sent by the first cell;
  • the synchronization unit 12 is further configured to perform first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the first message received by the receiving unit 11 further includes a duration and/or a sending period of the first cell sending the reference signal;
  • the measuring unit 13 is further configured to: according to the duration of the first cell sending the reference signal and
  • the transmission period measures the reference signal transmitted by the first cell.
  • the receiving unit 11 is further configured to receive a broadcast message of the first cell, where the broadcast message carries cell identity information.
  • the cell identifier information includes the PCI information and the public land mobile network identifier PLMNID.
  • the measurement unit 13 is specifically configured to: when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same, A measurement is made on a reference signal associated with the broadcast message.
  • the measuring unit 13 further includes: a second determining sub-list 133, configured to determine an appearance time and a location of the reference signal according to a location where the synchronization channel appears and PCI information of the first cell;
  • the measurement subunit 132 is further configured to measure the reference signal according to an appearance time and a position of the reference signal.
  • the user equipment UE receives the first cell configuration information sent by the network side, and according to the radio network temporary identifier RNTI information included in the first cell configuration information, the frequency information and the location of the first cell.
  • One or more parameters of the physical cell identifier PCI information of the first cell determine a location or a signal strength of a reference signal sent by the first cell; the UE measures the location of the reference signal or the signal strength to measure the first cell. Reference signal.
  • the user equipment 20 includes: a receiver 21, configured to receive first cell configuration information sent by a network side, where the first cell configuration The information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of a first cell, and physical cell identifier PCI information of the first cell;
  • the processor 22 is configured to acquire synchronization of the first cell, and configured to measure a reference signal sent by the first cell according to the first cell configuration information.
  • the processor 22 is specifically configured to determine a frame boundary of the first cell according to a frame boundary of the second cell, and acquire synchronization of the first cell, where the second cell is synchronized by the UE. Community.
  • the receiver 21 is further configured to receive an offset value off sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell;
  • the processor 22 is further configured to determine a frame boundary of the first cell according to the offset value and a frame boundary of the second cell.
  • the receiver 21 is further configured to receive a synchronization notification message sent by the third cell, where the processor 22 is specifically configured to: determine, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, The first cell is synchronized according to the synchronization channel.
  • the receiver 21 is specifically configured to receive the synchronization notification message according to the RNTI information, where the third cell sends the synchronization notification message and the first cell sends a synchronization message.
  • the time difference between the times of the track is a first time difference, and the first time difference is preset or carried in the synchronization notification message;
  • the processor 22 is specifically configured to determine, according to the sending time of the synchronization notification message and the first time difference, a time when the first cell sends a synchronization channel, according to a time when the first cell sends a synchronization channel, perform the first A cell is synchronized.
  • the receiver 21 is further configured to receive, according to the RNTI information, a first message sent by the third cell, where the third cell The time difference between the time when the first message is sent and the time when the first cell sends the reference signal is a second time difference, where the second time difference is preset or carried in the first message;
  • the processor 22 is specifically configured to determine, according to the sending time of the first message and the second time difference, a time at which the first cell sends a reference signal; and measuring, according to a time when the first cell sends a reference signal, the first The reference signal transmitted by the cell.
  • the synchronization notification message received by the receiver 21 carries a cell list composed of cells included in the first cell, where the cell list is used to indicate Transmitting a corresponding cell in the first cell of the synchronization channel.
  • the first message received by the receiver 21 carries a cell list consisting of cells included in the first cell, where the cell list is used to indicate a sending reference. a corresponding cell in the first cell of the signal.
  • the synchronization notification message further includes a duration and/or a transmission period of the synchronization channel sent by the first cell;
  • the processor 22 is further configured to perform first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the first message received by the receiver further includes a duration and/or a sending period of the first cell sending the reference signal;
  • the processor 22 is further configured to measure the reference signal sent by the first cell according to a duration and/or a transmission period of the first cell sending the reference signal.
  • the processor 22 is further configured to:
  • the receiver 21 is further configured to receive a broadcast message of the first cell, where the broadcast message carries cell identifier information.
  • the cell identifier information includes the PCI information and the public land mobile network identifier PL display ID.
  • the processor 22 is further configured to: when the PCI information in the broadcast message and the PCI information in the first cell configuration information At the same time, the reference signal associated with the broadcast message is measured.
  • the processor 22 is further configured to:
  • the mobile phone 200 in FIG. 4 is only an example of a user equipment, and the mobile phone 200 may have more or fewer components than those shown in the figure, and two or more components may be combined, or Can have different component configurations.
  • the various components shown in the figures can be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
  • FIG. 4 is a schematic structural diagram of a user equipment for measuring and measuring a reference signal according to the present invention.
  • the mobile phone includes a memory 201, a central processing unit (CFC) 203, a peripheral interface 204, an RF (Radio Frequency) circuit 205, an audio circuit 206, and a speaker. 207, power management chip 208, input/output (I/O) subsystem 209, other input/control devices 210, and external port 204, these components being communicated over one or more communication buses or signal lines 212.
  • CFC central processing unit
  • RF Radio Frequency circuit
  • the mobile phone provided in this embodiment is only one example of the mobile terminal, and the mobile terminal according to the embodiment of the present invention may have more or less components than those shown in FIG. 7, and may combine two or more. Multiple components, or different component configurations or arrangements, may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
  • the mobile phone provided in Figure 4 is described in detail below.
  • the memory 201 can be accessed by the CPU 203, the peripheral interface 204, etc., and the memory 201 can include a high speed random access memory, and can also include a nonvolatile memory, such as one or more magnetic disk storage devices, flash memory devices. , or other volatile solid-state storage devices.
  • Peripheral interface 204 which can connect the input and output peripherals of the device to CPU 203 and memory 201.
  • the I/O subsystem 209 can connect input and output peripherals on the device, such as touch screen 21 3 (corresponding to the display in the above embodiment) and other input/control devices 210, Set interface 204.
  • the I/O subsystem 209 can include a display controller 2091 and one or more input controllers 2092 for controlling other input/control devices 210.
  • one or more input controllers 2092 receive electrical signals from other input/control devices 210 or transmit electrical signals to other input/control devices 210, and other input/control devices 210 may include physical buttons (press buttons, rocker buttons, etc.) ), dial, slide switch, joystick, click wheel.
  • the input controller 2092 can be connected to any of the following: a keyboard, an infrared port, a USB interface, and a pointing device such as a mouse.
  • the touch screen 21 3 is an input interface and an output interface between the mobile terminal and the user, and displays the visual output to the user, and the visual output may include graphics, text, icons, videos, and the like.
  • the display controller 2091 in the I/O subsystem 209 receives an electrical signal from the touch screen 213 or transmits an electrical signal to the touch screen 213.
  • the touch screen 213 detects the contact on the touch screen, and the display controller 2091 converts the detected contact into an interaction with the user interface object displayed on the touch screen 213, that is, realizes human-computer interaction, and the user interface object displayed on the touch screen 213 It can be an icon that runs the game, an icon that is networked to the corresponding network, and so on.
  • the device may also include a light mouse, which is a touch sensitive surface that does not display a visual output, or an extension of a touch sensitive surface formed by the touch screen.
  • the RF circuit 205 is mainly used for establishing communication between the mobile phone and the wireless network (ie, the network side), and realizing data reception and transmission between the mobile phone and the wireless network. For example, sending and receiving short messages, emails, etc. Specifically, the RF circuit 205 receives and transmits an RF signal, which is also referred to as an electromagnetic signal, and the RF circuit 205 converts the electrical signal into an electromagnetic signal or converts the electromagnetic signal into an electrical signal, and through the electromagnetic signal and communication network and other devices Communicate.
  • an RF signal which is also referred to as an electromagnetic signal
  • the RF circuit 205 converts the electrical signal into an electromagnetic signal or converts the electromagnetic signal into an electrical signal, and through the electromagnetic signal and communication network and other devices Communicate.
  • the RF circuit 205 may include known circuitry for performing these functions including, but not limited to, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chip Group, User Identity Module (Subscr iber Ident I ty Module, S IM) and so on. It can be considered that the RF circuit 205 is equivalent to the receiver 21 in this embodiment, and the operations performed by the receiver 21 in this embodiment can be implemented by the CPU 202.
  • the audio circuit 206 is mainly used to receive audio data from the peripheral interface 204, convert the audio data into an electrical signal, and transmit the electrical signal to the speaker 207.
  • the speaker 207 is used to restore the voice signal received by the mobile phone from the wireless network through the RF circuit 205, and restore the sound to the user.
  • Power management chip 208 for connecting hardware for CPU203, I/O subsystem, and peripheral interfaces Power and power management.
  • the RF circuit 205 receives the message sent by the network side or other device, and the message includes an email or a short message or an instant message, and the message may be the first message, the synchronization notification message, and the first cell configuration in the embodiment of the present invention. Information and broadcast messages of the first cell, and the like. It is to be understood that the received message may also be other types of messages, which are not limited in the embodiment of the present invention. Those skilled in the art can know that the received message can carry data of various data types. There can be only one type of data, or two or more types of data.
  • the central processor 203 identifies the data type of the data in the message received by the RF circuit 205, and stores the data according to the correspondence relationship list to a function module corresponding to the data type of the data, and the correspondence relationship list is a data type and a function module. A list of correspondences between them. It can be understood that, in the embodiment of the present invention, the manner in which the central processing unit 203 identifies data in various formats may be performed in the manner as in the previous embodiment, and details are not described herein again.
  • central processor 203 can extract data attributes of the data from the received message.
  • the data attribute may specifically include the sender of the message, and may specifically include the sender of the message and the time of sending.
  • the central processing unit 203 can transmit data of various data types and data attributes of the data to functional modules corresponding to the data type of the data.
  • the CPU 203 is equivalent to the processor 22 in this embodiment, and the operations performed by the processor 22 in this embodiment can be implemented by the CPU 202.
  • the user equipment UE receives the first cell configuration information sent by the network side, and according to the radio network temporary identifier RNTI information included in the first cell configuration information, the frequency information and the location of the first cell.
  • One or more parameters of the physical cell identifier PCI information of the first cell determine a location or a signal strength of a reference signal sent by the first cell; the UE measures the location of the reference signal or the signal strength to measure the first cell. Reference signal.
  • the network device 30 includes: an information generating unit 31, configured to generate first cell configuration information, where the first cell configuration information includes Determining at least one of: a radio network temporary identifier RNTI information, frequency information of a first cell, and physical cell identifier PCI information of the first cell;
  • the sending unit 32 is configured to send the first cell configuration information to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first cell configuration information.
  • the network device 30 further includes:
  • the configuration unit 33 is configured to configure an offset value offset for the user equipment, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the The second cell is a cell of the user equipment that has been synchronized;
  • the sending unit 32 is further configured to send the offset value to the user equipment, so that the user equipment acquires synchronization of the first cell according to the offset value.
  • the sending unit 32 is further configured to send a synchronization notification message to the user equipment, to facilitate the user equipment to acquire synchronization of the first cell according to the synchronization notification message.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization channel according to the duration and/or transmission period.
  • the synchronization notification message carries a cell list composed of cells included in the first cell, so that the user equipment searches for the first cell according to the cell list. Synchronization channel.
  • the sending unit 32 is further configured to: after the sending the synchronization notification message, send a synchronization channel after a first time interval, where the first time interval is predefined or carried in the synchronization notification message and sent to The user equipment, so that the user equipment searches for the synchronization channel according to the first time interval.
  • the sending unit 32 is further configured to send the first message to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first message.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period.
  • the first cell includes at least two cells
  • the first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the reference signal of the cell is a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the sending unit 32 is further configured to: after the sending the first message, send the reference signal by using a second time interval, where the second time interval is predefined or carried in the first message. Sending to the user equipment, so that the user equipment measures the reference signal according to the second time interval.
  • the sending unit 32 is further configured to send the first message to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first message.
  • the network device generates the first cell configuration information, including at least one of the following: the radio network temporary identifier RNTI information, the frequency information of the first cell, and the physicality of the first cell.
  • the cell identifies the PCI information; the network device schedules the user equipment by sending the first cell configuration information to the user equipment, so that the user equipment acquires the appearance position of the reference signal or the signal quality of the reference signal according to the first cell configuration information, thereby The user equipment measures the reference signal sent by the first cell according to the appearance position of the reference signal or the signal quality of the reference signal.
  • An embodiment of the present invention provides a network device 40.
  • the network device 40 includes: a processor 41, configured to generate first cell configuration information, where the first cell configuration information includes the following At least one of: a wireless network temporarily identifying RNTI information, frequency information of a first cell, and physical cell identity PC I information of the first cell;
  • the transmitter 42 is configured to send the first cell configuration information to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first cell configuration information.
  • the processor 41 is further configured to configure an offset value offset for the user equipment, so that the user equipment acquires synchronization of the first cell according to the offset value, where the offset The value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the second cell is a cell of the user equipment that has obtained synchronization.
  • the transmitter 42 is further configured to send a synchronization notification message to the user equipment, so that the user equipment acquires synchronization of the first cell according to the synchronization notification message.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization channel according to the duration and/or transmission period.
  • the synchronization notification message carries a cell list composed of cells included in the first cell, so that the user equipment searches for the first cell according to the cell list. Synchronization channel.
  • the sender 42 is further configured to: after the first notification is sent after sending the synchronization notification message
  • the synchronization channel is sent in an interval, and the first time interval is pre-defined or carried in the synchronization notification message and sent to the user equipment, so that the user equipment searches for the synchronization channel according to the first time interval.
  • the transmitter 42 is further configured to send the first message to the user equipment, so that the user equipment measures the reference signal sent by the first cell according to the first message.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period.
  • the first cell includes at least two cells
  • the first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the reference signal of the cell is a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the transmitter 42 is further configured to: after the sending the first message, send the reference signal by using a second time interval, where the second time interval is predefined or carried in the first message. Sending to the user equipment, so that the user equipment measures the reference signal according to the second time interval.
  • the transmitter 42 is further configured to send a broadcast message to the user equipment, where the broadcast message carries cell identity information, where the cell identity information includes PCI information, so as to facilitate PCI in the broadcast message.
  • the broadcast message carries cell identity information, where the cell identity information includes PCI information, so as to facilitate PCI in the broadcast message.
  • the user equipment performs measurement on a reference signal associated with the broadcast message.
  • the network device generates the first cell configuration information, including at least one of the following: the radio network temporary identifier RNTI information, the frequency information of the first cell, and the physicality of the first cell.
  • the cell identifies the PCI information; the network device schedules the user equipment by sending the first cell configuration information to the user equipment, so that the user equipment acquires the appearance position of the reference signal or the signal quality of the reference signal according to the first cell configuration information, thereby The user equipment measures the reference signal sent by the first cell according to the appearance position of the reference signal or the signal quality of the reference signal.
  • An embodiment of the present invention provides a reference signal measurement method. As shown in FIG. 8, the method includes: 501.
  • a user equipment UE receives first cell configuration information sent by a network side.
  • the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of a first cell, and physical cell identifier PC I information of the first cell.
  • the user equipment acquires synchronization of the first cell.
  • the acquiring the synchronization of the first cell by the UE includes: determining, by the UE, a frame boundary of the first cell according to a frame boundary of the second cell, and acquiring synchronization of the first cell, where the second cell A cell that has obtained synchronization for the UE.
  • the method further includes: receiving, by the UE, an offset value that is sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell;
  • the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE determines, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and synchronizes the first cell according to the synchronization channel.
  • the receiving, by the UE, the synchronization notification message sent by the third cell includes:
  • the UE receives the synchronization notification message according to the RNTI information, where a time difference between a time when the third cell sends the synchronization notification message and a time when the first cell sends a synchronization channel is a first time difference,
  • the first time difference is preset or carried in the synchronization notification message;
  • the UE determines, according to the synchronization notification message, a moment when the first cell synchronization channel occurs, and the first cell according to the synchronization channel synchronization includes:
  • the UE determines, according to the sending time of the synchronization notification message and the first time difference, the time when the first cell sends the synchronization channel, and performs the first cell synchronization according to the time when the first cell sends the synchronization channel.
  • the synchronization notification message carries a cell list that is composed of cells included in the first cell, where the cell list is used to indicate that the synchronization channel is sent. The corresponding cell in the first cell.
  • the synchronization notification message further includes a duration and/or a transmission period of the synchronization channel sent by the first cell;
  • the acquiring, by the UE, the synchronization of the first cell includes: The UE performs first cell synchronization according to a duration and/or a transmission period of the first cell sending the synchronization channel.
  • the user equipment After acquiring the synchronization of the first cell, the user equipment measures the reference signal sent by the first cell according to the first cell configuration information.
  • the method further includes:
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE measures the reference signal sent by the first cell according to a time when the first cell sends a reference signal.
  • the first message when the first cell includes at least two cells, the first message carries a cell list that is composed of cells included in the first cell, where the cell list is used to indicate a location for transmitting a reference signal. The corresponding cell in the first cell.
  • the first message further includes a duration and/or a sending period of the first cell sending the reference signal;
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE measures a reference signal sent by the first cell according to a duration and/or a transmission period of the first cell sending the reference signal.
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE acquires a signal quality or a signal strength of the reference signal sent by the first cell according to the frequency information of the first cell and the PCI information.
  • the UE measures the reference signal whose signal quality or signal strength is greater than a preset threshold Quantity; or,
  • the UE selects the N reference signals with a large signal quality or signal strength within a set time to perform measurement, where N is a positive integer.
  • the method includes:
  • the broadcast message carries cell identification information, where the cell identity information includes PCI information and a public land mobile network identifier PL display ID;
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE measures the reference signal associated with the broadcast message.
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes:
  • the UE determines an appearance time and a location of the reference signal according to a location where the synchronization channel appears and PCI information of the first cell.
  • the UE measures the reference signal according to the appearance time and location of the reference signal.
  • the user equipment UE receives the first cell configuration information sent by the network side, and according to the radio network temporary identifier RNTI information included in the first cell configuration information, the frequency information and the location of the first cell.
  • One or more parameters of the physical cell identifier PCI information of the first cell determine a location or a signal strength of a reference signal sent by the first cell; the UE measures the location of the reference signal or the signal strength to measure the first cell. Reference signal.
  • An embodiment of the present invention provides a reference signal measurement method. As shown in FIG. 9, the method includes:
  • the network device generates first cell configuration information.
  • the first cell configuration information includes at least one of the following: a radio network temporary identifier RNTI information, frequency information of a first cell, and physical cell identifier PCI information of the first cell.
  • the network device sends first cell configuration information to the user equipment, so that the user equipment is configured according to the user equipment.
  • the first cell configuration information measures a reference signal sent by the first cell.
  • the method further includes: configuring an offset value offset for the user equipment, so that the user equipment acquires the location according to the offset value.
  • the method further includes: sending a synchronization notification message to the user equipment, so that the user equipment acquires the information according to the synchronization notification message. Synchronization of a cell.
  • the synchronization notification message is scrambled by using the RNTI information, so that the user equipment receives the synchronization notification message according to the RNTI information.
  • the synchronization notification message carries a duration and/or a transmission period of the synchronization channel transmission, so that the user equipment searches for the synchronization channel according to the duration and/or transmission period.
  • the synchronization notification message carries a cell list composed of cells included in the first cell, so that the user equipment searches for the first cell according to the cell list. Synchronization channel.
  • the method further includes: sending, by using the first time interval, a synchronization channel, where the first time interval is predefined or carried in the synchronization notification message and sent to the User equipment, such that the user equipment searches for the synchronization channel according to the first time interval.
  • the method further includes: sending, to the user equipment, a first message, so that the user equipment is configured to measure the first message according to the first message.
  • the reference signal transmitted by a cell.
  • the first message is scrambled by using the RNTI information, so that the user equipment receives the first message according to the RNTI information.
  • the first message carries a duration and/or a transmission period of the reference signal transmission, so that the user equipment measures the reference signal according to the duration and/or the transmission period.
  • the first cell includes at least two cells
  • the first message carries a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the reference signal of the cell is a first cell list consisting of cells included in the first cell, so that the user equipment measures the first according to the cell list.
  • the method further includes: sending, by using the second time interval, the reference signal, where the second time interval is predefined or carried in the first message and sent to The user equipment, such that the user equipment measures the reference signal according to the second time interval.
  • the method further includes: sending a broadcast message to the user equipment, where the broadcast message carries cell identifier information, where the cell identifier information includes a PCI And the information, so that when the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same, the user equipment performs measurement on a reference signal associated with the broadcast message.
  • the network device generates the first cell configuration information, including at least one of the following: the radio network temporary identifier RNTI information, the frequency information of the first cell, and the physicality of the first cell.
  • the cell identifies the PCI information; the network device schedules the user equipment by sending the first cell configuration information to the user equipment, so that the user equipment acquires the appearance position of the reference signal or the signal quality of the reference signal according to the first cell configuration information, thereby The user equipment measures the reference signal sent by the first cell according to the appearance position of the reference signal or the signal quality of the reference signal.
  • a further embodiment of the present invention provides a method for measuring a reference signal.
  • the user equipment receives a scheduling message sent by the network side according to the RNTI information configured on the network side, and determines a time domain location and a frequency domain location of the CRS sent by the first cell according to the scheduling message.
  • the CRS signal is sent continuously, and the user equipment includes, but is not limited to, a mobile phone, a personal digital assistant (PDA), a mobile communication device such as a tablet computer, and the network device includes but is not limited to a BSC ( Base Stat Analyzer, base station controller, RNC (Radio Network Controller), eNB (evolved Node B, evolved base station), and Node B (base station), as shown in Figure 10,
  • the reference signal measurement method includes:
  • the network side sends the first cell configuration information to the user equipment, where the first cell configuration information includes the wireless network temporary identifier RNTI information.
  • the first cell is a cell in which the user equipment needs to perform CRS signal measurement, and the CRS signal in the first cell is a discontinuous signal.
  • the CRS signal sent on the licensed spectrum is continuous, and the time domain location and the frequency domain location of the occurrence are fixed, and the user equipment can obtain the time domain location of the CRS signal after acquiring the PCI. The frequency domain position, and then the CRS signal is measured.
  • any organization or individual can use it. When using it, follow the rules of listening to the post, only Signals can be sent on the unlicensed spectrum when the spectrum is idle. If deployed on an unlicensed spectrum
  • the transmission of the CRS signal also follows the rule, so the transmitted CRS signal is probably not a continuous signal, and the user equipment cannot obtain an accurate measurement result when measuring the discontinuous CRS signal. Therefore, the network side can schedule the user equipment by using the first cell configuration information, so that the user equipment can accurately obtain the time domain location and the frequency domain location of the CRS signal, and obtain accurate measurement results.
  • the user equipment acquires synchronization of the first cell.
  • the UE receives an offset value off sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the The second cell is a cell that has obtained synchronization of the UE; the UE determines a frame boundary of the first cell according to the offset value of f set and a frame boundary of the second cell, so as to acquire synchronization of the first cell.
  • the UE receives the synchronization notification message according to the RNTI information, where the time difference between the time when the third cell sends the synchronization notification message and the time when the first cell sends the synchronization channel is the first a time difference, the first time difference is preset or carried in the synchronization notification message, where the third cell is a serving cell of the UE; the UE determines, according to the sending time of the synchronization notification message and the first time difference The time at which the first cell transmits the synchronization channel is performed, and the first cell synchronization is performed according to the time when the first cell transmits the synchronization channel.
  • the synchronization notification message when the first cell includes multiple cells, the synchronization notification message carries a cell list that is composed of cells in the first cell, where the cell list is used to indicate that the synchronization channel is the first cell. Which one of the cells.
  • the synchronization notification message further includes a duration and/or a sending period of the first cell to send the synchronization channel, where the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE performs first cell synchronization according to a duration and/or a transmission period of the first cell transmitting the synchronization channel.
  • the user equipment receives the first message sent by the third cell according to the RNT I information.
  • the time difference between the time when the third cell sends the first message and the time when the first cell sends the reference signal is a second time difference, where the second time difference is preset or carried in the first time. In the message.
  • the user equipment determines, according to the sending time of the first message and the second time difference, a time at which the first cell sends the reference signal.
  • the user equipment measures the reference signal sent by the first cell according to the time when the first cell sends the reference signal.
  • the first message carries a cell list that is composed of cells in the first cell, where the cell list is used to indicate that the reference cell is the first cell. Which one of the cells.
  • the first message further includes a duration and/or a sending period of the first cell sending the reference signal;
  • the measuring, by the UE, the reference signal sent by the first cell according to the first cell configuration information includes: the UE measuring the first cell according to a duration and/or a sending period of the first cell sending a reference signal.
  • the user equipment UE receives the RNTI information sent by the network side; the UE acquires the synchronization of the first cell; after acquiring the synchronization of the first cell, the UE measures the reception according to the RNTI information.
  • the first message sent by the third cell is determined by the UE according to the sending time and the second time difference of the first message, and the reference signal sent by the first cell is measured according to the time when the first cell sends the reference signal.
  • a further embodiment of the present invention provides a reference signal measurement method, where a user equipment receives frequency information and PCI information of a first cell configured on a network side, and determines a time domain location and a frequency domain of a CRS sent by a first cell according to frequency information and PCI information. The location, the CRS signal is sent continuously, wherein the user equipment includes but is not limited to a mobile communication device such as a mobile phone, a personal digital assistant PDA, a tablet computer, and the network side includes but is not limited to a BSC base station controller, an RNC radio network controller, As shown in FIG. 11, the eNB evolves a base station and a Node B (base station), and the reference signal measurement method includes:
  • the network side sends the first cell configuration information to the user equipment, where the first cell configuration information includes the frequency information of the first cell and the physical cell identifier PCI information.
  • the first cell is a cell in which the user equipment needs to perform CRS signal measurement, and the CRS signal in the first cell is a discontinuous signal.
  • the CRS signal sent on the licensed spectrum is continuous, and the time domain location and the frequency domain location of the occurrence are fixed, and the user equipment can obtain the time domain location of the CRS signal after acquiring the PCI. The frequency domain position, and then the CRS signal is measured.
  • any organization or individual can use it. It should follow the rules of listening and sending after use. Only when the spectrum is idle, can the signal be sent on the unlicensed spectrum. If deployed on an unlicensed spectrum In the LTE network, the transmission of the CRS signal also follows the rule. Therefore, the transmitted CRS signal is probably not a continuous signal, and the user equipment cannot obtain an accurate measurement result when measuring the discontinuous CRS signal. Therefore, the network side can schedule the user equipment by using the first cell configuration information, so that the user equipment can accurately obtain the time domain location and the frequency domain location of the CRS signal, and obtain accurate measurement results.
  • the user equipment acquires synchronization of the first cell.
  • the UE receives an offset value off sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the The second cell is a cell that has obtained synchronization of the UE; the UE determines a frame boundary of the first cell according to the offset value of f set and a frame boundary of the second cell, so as to acquire synchronization of the first cell.
  • the UE receives the synchronization notification message according to the RNTI information, where the time difference between the time when the third cell sends the synchronization notification message and the time when the first cell sends the synchronization channel is the first a time difference, the first time difference is preset or carried in the synchronization notification message, where the third cell is a serving cell of the UE; the UE determines, according to the sending time of the synchronization notification message and the first time difference The time at which the first cell transmits the synchronization channel is performed, and the first cell synchronization is performed according to the time when the first cell transmits the synchronization channel.
  • the synchronization notification message when the first cell includes multiple cells, the synchronization notification message carries a cell list that is composed of cells in the first cell, where the cell list is used to indicate that the synchronization channel is the first cell. Which one of the cells.
  • the synchronization notification message further includes a duration and/or a sending period of the first cell to send the synchronization channel, where the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE performs first cell synchronization according to a duration and/or a transmission period of the first cell transmitting the synchronization channel.
  • the user equipment acquires a signal quality or a signal strength of the reference signal sent by the first cell according to the frequency information of the first cell and the PCI information.
  • step 804 or step 805 is performed according to the obtained signal quality or signal strength.
  • the user equipment measures a reference signal whose signal quality or signal strength is greater than a preset threshold.
  • the first cell may be considered to send the CRS signal, and the user equipment may use the measurement result that is greater than the preset threshold as the measurement result.
  • RRM Rad io Resource Management
  • the CQI Channel Quali ty Indicator
  • the preset threshold is a predefined or network side configured for the user equipment.
  • the user equipment selects one of the reference signals with a large signal quality or a strong signal strength within a set time, where ⁇ is a positive integer.
  • the user equipment detects the reference signal of the first cell within a set time, selects one of the best signal quality or signal strength during the period, and filters the values to obtain the corresponding measurement result.
  • ⁇ is a positive integer, which is configured for the user equipment on the predefined or network side.
  • the user equipment UE receives the frequency information and the PCI information of the first cell sent by the network side; the UE acquires the reference signal sent by the first cell according to the frequency information of the first cell and the PCI information. Signal quality or signal strength; the user equipment measures the reference signal whose signal quality or signal strength is greater than the preset threshold; or the user equipment selects one of the reference signals with a large signal quality or signal strength within the set time for measurement.
  • a further embodiment of the present invention provides a reference signal measurement method, where a user equipment receives PCI information of a first cell configured on a network side, and determines a time domain location and a frequency domain location of a CRS sent by the first cell according to the PCI information, where the discontinuous transmission is performed.
  • the CRS signal is measured, wherein the user equipment includes, but is not limited to, a mobile communication device such as a mobile phone, a personal digital assistant PDA, a tablet computer, etc., and the network side includes but is not limited to a BSC base station controller, an RNC radio network controller, an eNB evolved base station, and a Node B.
  • the reference signal measurement method includes:
  • the network side sends the first cell configuration information to the user equipment, where the first cell configuration information includes the physical cell identifier PCI information of the first cell.
  • the first cell is a cell in which the user equipment needs to perform CRS signal measurement, and the CRS signal in the first cell is a discontinuous signal.
  • the CRS signal transmitted on the licensed spectrum is continuous, and the time domain location and the frequency domain location of the occurrence are fixed, and the user equipment can obtain the CRS signal after acquiring the PCI.
  • the time domain position and the frequency domain position, and then the CRS signal is measured.
  • any organization or individual can use it. It should follow the rules of listening and sending after use. Only when the spectrum is idle, can the signal be sent on the unlicensed spectrum. If the LTE network is deployed on the unlicensed spectrum, the transmission of the CRS signal also follows the rule. Therefore, the transmitted CRS signal is probably not a continuous signal, and the user equipment cannot obtain accurate measurement when measuring the discontinuous CRS signal. Measurement results. Therefore, the network side can schedule the user equipment by using the first cell configuration information, so that the user equipment can accurately obtain the time domain location and the frequency domain location of the CRS signal, and obtain accurate measurement results.
  • the user equipment acquires synchronization of the first cell.
  • the UE receives an offset value off sent by the network side, where the offset value is a difference between a frame boundary of the first cell and a frame boundary of the second cell, where the The second cell is a cell that has obtained synchronization of the UE; the UE determines a frame boundary of the first cell according to an offset value offset and a frame boundary of the second cell, so as to acquire synchronization of the first cell.
  • the UE receives the synchronization notification message according to the RNTI information, where the time difference between the time when the third cell sends the synchronization notification message and the time when the first cell sends the synchronization channel is the first a time difference, the first time difference is preset or carried in the synchronization notification message, where the third cell is a serving cell of the UE; the UE determines, according to the sending time of the synchronization notification message and the first time difference The time at which the first cell transmits the synchronization channel is performed, and the first cell synchronization is performed according to the time when the first cell transmits the synchronization channel.
  • the synchronization notification message when the first cell includes multiple cells, the synchronization notification message carries a cell list that is composed of cells in the first cell, where the cell list is used to indicate that the synchronization channel is the first cell. Which one of the cells.
  • the synchronization notification message further includes a duration and/or a sending period of the first cell to send the synchronization channel, where the acquiring, by the UE, the synchronization of the first cell includes:
  • the UE performs first cell synchronization according to a duration and/or a transmission period of the first cell transmitting the synchronization channel.
  • the user equipment receives a broadcast message of the first cell, where the broadcast message carries cell identity information, where the cell identity information includes PCI information.
  • the cell identity information may further include a PLMNID (pub l i c Land Mobi le Network ID).
  • PLMNID pub l i c Land Mobi le Network ID
  • the user equipment compares whether the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same. For example, when the signal strength or the signal quality of the reference signal detected by the user equipment is greater than the preset threshold, the first cell may be considered to send the CRS signal, and the user equipment may use the measurement result that is greater than the preset threshold as the measurement result.
  • RRM Radio Resource Management
  • CQI Channel Quali ty Indicator
  • the preset threshold is a predefined or network side configured for the user equipment.
  • the UE measures the reference signal associated with the broadcast message.
  • the UE determines an appearance time and a location of the reference signal according to a location where the synchronization channel appears and PCI information of the first cell, where the UE compares the reference time according to the appearance time and location of the reference signal.
  • the signal is measured.
  • the user equipment UE receives the PCI information of the first cell sent by the network side; the user equipment compares whether the PCI information in the broadcast message and the PCI information in the first cell configuration information are the same; If the PCI information in the broadcast message is the same as the PCI information in the first cell configuration information, the UE measures the reference signal associated with the broadcast message. The broadcast message and the reference signal are sent in the same subframe. If the PCI carried in the broadcast message is the same as the PCI in the first cell configuration information, the reference signal associated with the broadcast message is sent by the first cell. The reference signal, the user equipment measures the reference signal. When the reference signal sent by the cell is discontinuous, the measurement result is inaccurate due to the inability to obtain the position of the reference signal, and the accuracy of the measurement result is improved.
  • the user equipment and the network device provided by the embodiments of the present invention may implement the foregoing method embodiments.
  • the reference signal measurement method, the user equipment, and the network device provided by the embodiments of the present invention may be applicable to measuring a cell reference signal, but are not limited thereto.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • ROM read-only memory
  • RAM random access memory

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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 appartient au domaine technique des communications. Un mode de réalisation de la présente invention concerne un procédé de mesurage de signaux de référence, un équipement d'utilisateur, et un dispositif de réseau, permettant de résoudre le problème lié à l'imprécision des résultats de mesurage de signaux CRS lorsque des signaux CRS discontinus sont transmis par une cellule. Dans le procédé : un équipement d'utilisateur (UE) reçoit de premières informations de configuration de cellule transmises par un côté réseau, les premières informations de configuration de cellule comprenant des informations d'identifiant temporaire de réseau radio (RNTI) et/ou des informations de fréquence de la première cellule et/ou des informations d'identifiant de cellule physique (PCI) de la première cellule ; l'UE obtient une synchronisation de la première cellule ; après avoir obtenu une synchronisation de la première cellule, l'UE mesure des signaux de référence transmis par la première cellule d'après les premières informations de configuration de cellule. La présente invention est appropriée pour mesurer des signaux de référence d'une cellule.
PCT/CN2014/070956 2014-01-21 2014-01-21 Procédé de mesurage de signaux de référence, équipement d'utilisateur, et dispositif de réseau WO2015109436A1 (fr)

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PCT/CN2014/070956 WO2015109436A1 (fr) 2014-01-21 2014-01-21 Procédé de mesurage de signaux de référence, équipement d'utilisateur, et dispositif de réseau
CN201480000326.2A CN104937992B (zh) 2014-01-21 2014-01-21 参考信号测量方法、用户设备及网络设备
CN201811161317.8A CN108990144B (zh) 2014-01-21 2014-01-21 参考信号测量方法、用户设备及网络设备

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