CN111669790A - Cell reselection or redirection method, device, network side equipment and terminal - Google Patents

Cell reselection or redirection method, device, network side equipment and terminal Download PDF

Info

Publication number
CN111669790A
CN111669790A CN201910176902.3A CN201910176902A CN111669790A CN 111669790 A CN111669790 A CN 111669790A CN 201910176902 A CN201910176902 A CN 201910176902A CN 111669790 A CN111669790 A CN 111669790A
Authority
CN
China
Prior art keywords
information
frequency band
cell
terminal
configuration information
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910176902.3A
Other languages
Chinese (zh)
Inventor
陈宁宇
李男
胡南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
Original Assignee
China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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 China Mobile Communications Group Co Ltd, China Mobile Communications Ltd Research Institute filed Critical China Mobile Communications Group Co Ltd
Priority to CN201910176902.3A priority Critical patent/CN111669790A/en
Publication of CN111669790A publication Critical patent/CN111669790A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Landscapes

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

Abstract

The invention provides a cell reselection or redirection method, a device, network side equipment and a terminal, wherein the method comprises the following steps: sending configuration information, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection; in the embodiment of the invention, the network side equipment sends configuration information to the terminal, and the configuration information is used for assisting the terminal to carry out cell reselection or redirection so as to support the terminal to carry out cell reselection or redirection between an authorized frequency band and an unauthorized frequency band and realize load distribution.

Description

Cell reselection or redirection method, device, network side equipment and terminal
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a cell reselection or redirection method, apparatus, network side device, and terminal.
Background
In network application, when a network is not congested, a network side expects most terminals to reside in an authorized frequency band so as to obtain better Quality of Service (QoS) Service guarantee; when the network is congested, the network side may want part of the terminals to reside in the licensed frequency band, and part of the terminals are shunted to the unlicensed frequency band. However, at present, there is no effective load balancing mechanism to realize mobility management of the terminal between the licensed frequency band and the unlicensed frequency band.
Disclosure of Invention
The invention aims to provide a cell reselection or redirection method, a cell reselection or redirection device, network side equipment and a terminal, so as to solve the problem that the cell reselection and load distribution between an authorized frequency band and an unauthorized frequency band are not supported in the prior art.
In order to solve the foregoing problems, an embodiment of the present invention provides a cell reselection or redirection method, which is applied to a network side device, and includes:
and sending configuration information, wherein the configuration information is used for assisting the terminal to carry out cell reselection or redirection.
Wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Wherein the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Wherein the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Wherein the sending the configuration information includes:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
The embodiment of the invention also provides a cell reselection or redirection method, which is applied to a terminal and comprises the following steps:
receiving configuration information sent by network side equipment, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection;
and performing cell reselection or redirection according to the configuration information.
Wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Wherein the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Wherein, in a case that the configuration information includes first threshold information, the performing cell reselection or redirection according to the configuration information includes:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
Wherein the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Wherein, in the case that the configuration information includes second threshold information, the performing cell reselection or redirection according to the configuration information includes:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
Wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
The receiving of the configuration information sent by the network side device includes:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
The embodiment of the present invention further provides a network side device, which includes a processor and a transceiver, where the processor is configured to control the transceiver to execute the following processes:
and sending configuration information, wherein the configuration information is used for assisting the terminal to carry out cell reselection or redirection.
Wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Wherein the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Wherein the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Wherein the transceiver is further configured to:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
The embodiment of the present invention further provides a cell reselection or redirection device, which is applied to a network side device, and is characterized in that the cell reselection or redirection device includes:
and the sending module is used for sending configuration information, and the configuration information is used for assisting the terminal in cell reselection or redirection.
An embodiment of the present invention further provides a terminal, including a processor and a transceiver, where the transceiver is configured to:
receiving configuration information sent by network side equipment, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection;
the processor is used for executing the following processes:
and performing cell reselection or redirection according to the configuration information.
Wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Wherein the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Wherein, in case the configuration information includes first threshold information, the processor is further configured to:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
Wherein the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Wherein, in a case that the configuration information includes second threshold information, the processor is further configured to:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
Wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Wherein the transceiver is further configured to:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
The embodiment of the invention also provides a cell reselection or redirection device, which is applied to a terminal and comprises the following components:
the system comprises a receiving module, a sending module and a receiving module, wherein the receiving module is used for receiving configuration information sent by network side equipment, and the configuration information is used for assisting a terminal to perform cell reselection or redirection;
and the reselection module is used for reselecting or redirecting the cell according to the configuration information.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps in the cell reselection or redirection method as described above; alternatively, the program when executed by a processor implements the steps in a cell reselection or redirection method as described above.
The technical scheme of the invention at least has the following beneficial effects:
in the cell reselection or redirection method and apparatus, the network side device, and the terminal of the embodiment of the present invention, the network side device sends configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in an unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
Drawings
Fig. 1 is a flowchart illustrating a cell reselection or redirection method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a second step of a cell reselection or redirection method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network-side device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cell reselection or redirection apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a second schematic structural diagram of a cell reselection or redirection apparatus according to a second embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a load offloading method for an unlicensed frequency band, which is applied to a network side device, and includes:
and 11, sending configuration information, wherein the configuration information is used for assisting the terminal to perform cell reselection or redirection.
In this step, the network side device sends the configuration information through a dedicated signaling or a broadcast message.
Specifically, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band; and the terminal selects the redirected cell according to the frequency priority information of the cell of the authorized frequency band and/or the frequency priority information of the unauthorized frequency band.
First threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal is resided in the cell of the unlicensed frequency band, and the terminal can reselect or redirect to other cells after the time.
Wherein the first redirection information comprises at least one of:
frequency information;
physical Cell identity pci (physical Cell index);
system information, system information corresponding to the PCI of the cell; the method comprises the following steps that specifically, the terminal accesses necessary system information of a cell of an unauthorized frequency band, and the information can be sent to the terminal by the cell of the authorized frequency band;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Specifically, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
The first threshold may also be compared with a Reference Signal Receiving Power (RSRP) or a Reference Signal Receiving Quality (RSRQ) or a Signal to Interference plus Noise Ratio (SINR) of the serving cell.
Specifically, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Bearing the above example, in the above embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band. Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, step 11 includes:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
As shown in fig. 2, an embodiment of the present invention further provides a method for load splitting in an unlicensed frequency band, which is applied to a terminal, and includes:
step 21, receiving configuration information sent by a network side device, where the configuration information is used to assist a terminal in cell reselection or redirection;
and step 22, performing cell reselection or redirection according to the configuration information.
In this step, the network side device sends the configuration information through a dedicated signaling or a broadcast message.
Specifically, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal is resided in the cell of the unlicensed frequency band, and the terminal can reselect or redirect to other cells after the time.
Wherein the first redirection information comprises at least one of:
frequency information;
physical Cell identity pci (physical Cell index);
system information, system information corresponding to the PCI of the cell; the method comprises the following steps that specifically, the terminal accesses necessary system information of a cell of an unauthorized frequency band, and the information can be sent to the terminal by the cell of the authorized frequency band;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Specifically, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
The first threshold may also be compared with a Reference Signal Receiving Power (RSRP) or a Reference Signal Receiving Quality (RSRQ) or a Signal to Interference plus Noise Ratio (SINR) of the serving cell.
As an alternative embodiment, in the case that the configuration information includes the first threshold information, step 22 includes:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
Specifically, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band. The fourth threshold is used to determine the interference situation of the unlicensed frequency band, if the RSSI is high, the interference is large, and the unlicensed frequency band may cause very few transmission occasions due to the principle of listening before speaking.
As an alternative embodiment, in the case that the configuration information includes the second threshold information, step 22 includes:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
Bearing the above example, in the above embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band. Wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, step 21 includes:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
In order to describe the load splitting method for the unlicensed frequency band more clearly, the following describes in detail with reference to several examples.
Example 1
The terminal resides in a cell of an authorized frequency band, and the network side equipment sends first redirection information to the terminal, wherein the first redirection information comprises frequency point information of an unauthorized frequency point, PCI and system information of the unauthorized frequency point. And the terminal reselects the cell of the unauthorized frequency point and utilizes the received system information to reside in the cell of the unauthorized frequency point.
When the terminal resides in the unauthorized frequency band, the network side can send redirection information to the terminal, the redirection information comprises frequency point information and PCI of authorized frequency points, and the terminal reselects to a cell of the authorized frequency points. And receiving system information on the authorized frequency point and residing.
Example two
The terminal resides in a cell of the authorized frequency point, and the network side sends a first threshold value, a second threshold value, a third threshold value and a fourth threshold value to the terminal. And the UE compares the Srxlev of the serving cell with a first threshold value, compares the Squal of the serving cell with a second threshold value, and does not need to perform different-frequency measurement if the Srxlev of the serving cell is larger than the second threshold value. Otherwise, starting pilot frequency measurement, and measuring an unauthorized frequency point by the terminal, wherein Srxlev of a cell of the unauthorized frequency point is greater than 0, and RSSI is less than a fourth threshold, and then reselecting the cell of the unauthorized frequency band by the terminal.
When the terminal resides in the cell of the unauthorized frequency point, if Srxlev of the service cell is compared with a first threshold value, if Srxlev is smaller than or equal to the first threshold value or RSSI of the unauthorized frequency point is larger than a fourth threshold value, the terminal starts pilot frequency measurement, the terminal measures the authorized frequency point, and if Srxlev of the authorized frequency point is larger than 0, the terminal reselects the cell of the authorized frequency point.
Example three
And the network side sends paging configuration information to the terminal, so that the terminal receives paging in the authorized frequency band when the terminal resides in the unauthorized frequency band. The paging configuration information includes time-frequency information and grouping information. The terminal judges the paging frame and paging occasion of the terminal according to the terminal ID (such as information of 5G-S-TMSI).
Example four
When the network side detects that the terminal has arrearage or the flow exceeds the limit, the core network sends indication information to the network side equipment to indicate the terminal to remove an unauthorized frequency band, and the base station sends a redirection message to the terminal, wherein the message comprises one or more of the following information: frequency point information of an unauthorized frequency point, physical layer cell ID (PCI), and time information. The time information indicates the time of the terminal working at the frequency point, and the terminal does not need to stay at the frequency point after time out.
As shown in fig. 3, an embodiment of the present invention further provides a network-side device, which includes a processor 300 and a transceiver 310, where the processor 300 is configured to control the transceiver 310 to perform the following processes:
and sending configuration information, wherein the configuration information is used for assisting the terminal to carry out cell reselection or redirection.
Optionally, in the foregoing embodiment of the present invention, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the first redirection information includes at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Optionally, in the foregoing embodiment of the present invention, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Optionally, in the foregoing embodiment of the present invention, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Optionally, in the foregoing embodiment of the present invention, the parameter for receiving a page includes at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the transceiver 310 is further configured to:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell retransmission between the licensed frequency band and the unlicensed frequency band, thereby implementing reselection or redirection.
It should be noted that the network side device provided in the embodiments of the present invention is a network side device capable of executing a cell reselection or redirection method, and all embodiments of the cell reselection or redirection method are applicable to the network side device, and can achieve the same or similar beneficial effects.
As shown in fig. 4, an embodiment of the present invention further provides a cell reselection or redirection apparatus, which is applied to a network side device, and includes:
a sending module 41, configured to send configuration information, where the configuration information is used to assist a terminal in cell reselection or redirection.
Optionally, in the foregoing embodiment of the present invention, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the first redirection information includes at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Optionally, in the foregoing embodiment of the present invention, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Optionally, in the foregoing embodiment of the present invention, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Optionally, in the foregoing embodiment of the present invention, the parameter for receiving the paging message includes at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the sending module:
the sending submodule is used for receiving indication information sent by a core network, and the indication information is used for indicating that a terminal works in an unauthorized frequency band; and sending the configuration information to the terminal.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
It should be noted that the cell reselection or redirection device provided in the embodiments of the present invention is a device capable of performing the cell reselection or redirection method, and all embodiments of the cell reselection or redirection method are applicable to the device and all can achieve the same or similar beneficial effects.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the above-mentioned processes applied in the cell reselection or redirection method embodiment of the network side device, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
As shown in fig. 5, an embodiment of the present invention further provides a terminal, including a processor 500 and a transceiver 510, the terminal further includes a user interface 520, and the transceiver 510 is configured to:
receiving configuration information sent by network side equipment, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection;
the processor 500 is configured to perform the following processes:
and performing cell reselection or redirection according to the configuration information.
Optionally, in the foregoing embodiment of the present invention, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the first redirection information includes at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Optionally, in the foregoing embodiment of the present invention, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Optionally, in the foregoing embodiment of the present invention, in a case that the configuration information includes the first threshold information, the processor 500 is further configured to:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
Optionally, in the foregoing embodiment of the present invention, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Optionally, in the above embodiment of the present invention, in a case that the configuration information includes second threshold information, the processor 500 is further configured to:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
Optionally, in the foregoing embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Optionally, in the foregoing embodiment of the present invention, the parameter for receiving the paging message includes at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the transceiver 510 is further configured to:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
It should be noted that the terminal provided in the embodiments of the present invention is a terminal capable of performing the non-cell reselection or redirection method, and all embodiments of the cell reselection or redirection method are applicable to the terminal, and can achieve the same or similar beneficial effects.
As shown in fig. 6, an embodiment of the present invention further provides a cell reselection or redirection apparatus, which is applied to a terminal, and includes:
a receiving module 61, configured to receive configuration information sent by a network side device, where the configuration information is used to assist a terminal in cell reselection or redirection;
and a reselection module 62, configured to reselect or redirect a cell according to the configuration information.
Optionally, in the foregoing embodiment of the present invention, the configuration information includes at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
Optionally, in the foregoing embodiment of the present invention, the first redirection information includes at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
Optionally, in the foregoing embodiment of the present invention, the first threshold information includes: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
Optionally, in the above embodiment of the present invention, in a case that the configuration information includes the first threshold information, the apparatus further includes:
the first processing module is used for acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the method is used for acquiring the Squal of the service cell, and if the Squal of the service cell is smaller than or equal to a second threshold value, starting unauthorized frequency band measurement.
Optionally, in the foregoing embodiment of the present invention, the second threshold information includes: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
Optionally, in the above embodiment of the present invention, in a case that the configuration information includes second threshold information, the apparatus further includes:
the second processing module is used for determining the Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can reside; and/or obtaining the RSSI of the cell in the unlicensed frequency band, and determining that the cell in the unlicensed frequency band can reside if the RSSI of the cell in the unlicensed frequency band is less than or equal to a fourth threshold.
Optionally, in the foregoing embodiment of the present invention, the configuration information further includes:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
Optionally, in the foregoing embodiment of the present invention, the parameter for receiving the paging message includes at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
Optionally, in the above embodiment of the present invention, the receiving module includes:
and the receiving submodule is used for receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
In summary, in the above embodiments of the present invention, the network side device sends the configuration information to the terminal, where the configuration information is used to assist the terminal in performing cell reselection or redirection in the unlicensed frequency band, so as to support the terminal to perform cell reselection or redirection between the licensed frequency band and the unlicensed frequency band, thereby implementing load splitting.
It should be noted that the cell reselection or redirection device provided in the embodiments of the present invention is a device capable of performing the cell reselection or redirection method, and all embodiments of the cell reselection or redirection method are applicable to the device and all can achieve the same or similar beneficial effects.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the program is executed by a processor, the process is implemented in the embodiment of the load sharing method applied to the unlicensed frequency band at the terminal side, and the same technical effect can be achieved, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-readable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block or blocks.
These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (39)

1. A cell reselection or redirection method is applied to network side equipment, and is characterized by comprising the following steps:
and sending configuration information, wherein the configuration information is used for assisting the terminal to carry out cell reselection or redirection.
2. The method of claim 1, wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
3. The method of claim 2, wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
4. The method of claim 2, wherein the first threshold information comprises: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
5. The method of claim 2, wherein the second threshold information comprises: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
6. The method of claim 1, wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
7. The method of claim 6, wherein the parameters for receiving the paging message comprise at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
8. The method of claim 1, wherein the sending the configuration information comprises:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
9. A cell reselection or redirection method is applied to a terminal, and is characterized by comprising the following steps:
receiving configuration information sent by network side equipment, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection;
and performing cell reselection or redirection according to the configuration information.
10. The method of claim 9, wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
11. The method of claim 10, wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
12. The method of claim 10, wherein the first threshold information comprises: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
13. The method of claim 12, wherein, in case that the configuration information includes first threshold information, the performing cell reselection or redirection according to the configuration information comprises:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
14. The method of claim 10, wherein the second threshold information comprises: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
15. The method according to claim 14, wherein in case that the configuration information includes second threshold information, the performing cell reselection or redirection according to the configuration information includes:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
16. The method of claim 9, wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
17. The method of claim 16, wherein the parameters for receiving the paging message comprise at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
18. The method according to claim 9, wherein the receiving the configuration information sent by the network-side device includes:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
19. A network side device, comprising a processor and a transceiver, wherein the processor is configured to control the transceiver to perform the following processes:
and sending configuration information, wherein the configuration information is used for assisting the terminal to carry out cell reselection or redirection.
20. The network-side device of claim 19, wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether an unlicensed frequency band may reside;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
21. The network-side device of claim 20, wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
22. The network-side device of claim 20, wherein the first threshold information comprises: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
23. The network-side device of claim 20, wherein the second threshold information comprises: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
24. The network-side device of claim 19, wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
25. The network-side device of claim 24, wherein the parameter for receiving the paging message comprises at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
26. The network-side device of claim 19, wherein the transceiver is further configured to:
receiving indication information sent by a core network, wherein the indication information is used for indicating that a terminal works in an unauthorized frequency band;
and sending the configuration information to the terminal.
27. A cell reselection or redirection device applied to a network side device, comprising:
and the sending module is used for sending configuration information, and the configuration information is used for assisting the terminal in cell reselection or redirection.
28. A terminal comprising a processor and a transceiver, wherein the transceiver is configured to:
receiving configuration information sent by network side equipment, wherein the configuration information is used for assisting a terminal to perform cell reselection or redirection;
the processor is used for executing the following processes:
and performing cell reselection or redirection according to the configuration information.
29. The terminal of claim 28, wherein the configuration information comprises at least one of:
the first redirection information is used for indicating the terminal to redirect to a frequency point or a cell of an unauthorized frequency band;
first frequency information, wherein the first frequency information is used for indicating frequency priority information of a licensed frequency band and/or an unlicensed frequency band;
first threshold information, wherein the first threshold information is used for the terminal to judge whether to start measurement of an unauthorized frequency band;
second threshold information, where the second threshold information is used by the terminal to determine whether a cell in an unlicensed frequency band may camp;
and the time information is used for indicating the time when the terminal resides in the cell of the unlicensed frequency band.
30. The terminal of claim 29, wherein the first redirection information comprises at least one of:
frequency information;
a physical cell identity;
system information;
and the indication information is used for indicating that the frequency point is an authorized frequency point or an unauthorized frequency point.
31. The terminal of claim 29, wherein the first threshold information comprises: a first threshold value for comparison with a cell selection reception level value Srxlev of the serving cell of the terminal and/or a second threshold value for comparison with a cell selection quality value Squal of the serving cell of the terminal.
32. The terminal of claim 31, wherein in the case that the configuration information includes first threshold information, the processor is further configured to:
acquiring Srxlev of the serving cell, and starting measurement of an unauthorized frequency band if the Srxlev of the serving cell is smaller than or equal to a first threshold value;
and/or the presence of a gas in the gas,
and acquiring the Squal of the service cell, and starting unauthorized frequency band measurement if the Squal of the service cell is less than or equal to a second threshold value.
33. The terminal of claim 29, wherein the second threshold information comprises: a third threshold value for comparing the measured cell receiving level value Qrxlevmeas with the cell of the unlicensed frequency band, and/or a fourth threshold value for comparing the received signal strength indication RSSI with the cell of the unlicensed frequency band.
34. The terminal of claim 33, wherein in the case that the configuration information includes second threshold information, the processor is further configured to:
determining Srxlev of the cell of the unauthorized frequency band according to the Qrxlevmeas and a third threshold value of the cell of the unauthorized frequency band, and if the Srxlev of the cell of the unauthorized frequency band is larger than 0, determining that the cell of the unauthorized frequency band can be resided;
and/or the presence of a gas in the gas,
and obtaining the RSSI of the cell of the unauthorized frequency band, and determining that the cell of the unauthorized frequency band can reside if the RSSI of the cell of the unauthorized frequency band is less than or equal to a fourth threshold value.
35. The terminal of claim 28, wherein the configuration information further comprises:
and paging configuration information, wherein the paging configuration information is used for configuring parameters of the terminal for receiving paging messages in an authorized frequency band.
36. The terminal of claim 35, wherein the parameters for receiving the paging message comprise at least one of:
receiving time-frequency domain information of a paging message;
receiving periodic information of a paging message;
group information indicating a plurality of terminals residing in an unlicensed frequency band; and the terminal residing on the unlicensed frequency band and indicated by the group information receives the paging message in the licensed frequency band.
37. The terminal of claim 28, wherein the transceiver is further configured to:
and receiving the configuration information sent by the network side equipment according to the indication information sent by the core network, wherein the indication information is used for indicating that the terminal works in the unauthorized frequency band.
38. A cell reselection or redirection device applied to a terminal, comprising:
the system comprises a receiving module, a sending module and a receiving module, wherein the receiving module is used for receiving configuration information sent by network side equipment, and the configuration information is used for assisting a terminal to perform cell reselection or redirection;
and the reselection module is used for reselecting or redirecting the cell according to the configuration information.
39. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the cell reselection or redirection method according to any one of claims 1 to 8; or, when being executed by a processor, to carry out the steps in the cell reselection or redirection method according to any of claims 9-18.
CN201910176902.3A 2019-03-08 2019-03-08 Cell reselection or redirection method, device, network side equipment and terminal Pending CN111669790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910176902.3A CN111669790A (en) 2019-03-08 2019-03-08 Cell reselection or redirection method, device, network side equipment and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910176902.3A CN111669790A (en) 2019-03-08 2019-03-08 Cell reselection or redirection method, device, network side equipment and terminal

Publications (1)

Publication Number Publication Date
CN111669790A true CN111669790A (en) 2020-09-15

Family

ID=72382378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910176902.3A Pending CN111669790A (en) 2019-03-08 2019-03-08 Cell reselection or redirection method, device, network side equipment and terminal

Country Status (1)

Country Link
CN (1) CN111669790A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227014A1 (en) * 2020-05-15 2021-11-18 Apple Inc. Enhanced initial access procedures in wireless communication
WO2022068728A1 (en) * 2020-09-29 2022-04-07 维沃移动通信有限公司 Configuration method and apparatus, and terminal and network side device
US11997591B2 (en) 2020-05-15 2024-05-28 Apple Inc. Enhanced initial access procedures in wireless communication

Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1505413A (en) * 2002-12-03 2004-06-16 北京三星通信技术研究有限公司 Method of switching between CDMA system and GSM system for dual mode mobile station
CN102143560A (en) * 2011-03-29 2011-08-03 中兴通讯股份有限公司 Inter-heterosystem redirection method and system
CN102149157A (en) * 2010-02-10 2011-08-10 中兴通讯股份有限公司 System and method for cell reselection
CN102282903A (en) * 2008-10-31 2011-12-14 交互数字专利控股公司 Handling uplink transmissions using multiple uplink carriers
US20130260766A1 (en) * 2011-01-06 2013-10-03 Lg Electronics Inc. Method for Recovering Connection Failure in Wireless Communication System and Device Therefor
CN103517456A (en) * 2012-06-14 2014-01-15 网件公司 Dual band LTE small cell
CN103581834A (en) * 2012-07-30 2014-02-12 中国移动通信集团公司 Cell reselection and residence method, terminal, network equipment and system
CN103916923A (en) * 2013-01-04 2014-07-09 中国移动通信集团公司 Method, device and system for redirecting terminal under multimode network state
US20150072686A1 (en) * 2012-03-15 2015-03-12 Samsung Electronics Co., Ltd. Apparatus and method for supporting handover to csg cell or hybrid cell
WO2015094816A1 (en) * 2013-12-20 2015-06-25 Qualcomm Incorporated Techniques for configuring uplink channels in unlicensed radio frequency spectrum bands
CN104822149A (en) * 2014-02-05 2015-08-05 苹果公司 Wi-Fi Signaling by Cellular Devices for Coexistence in Unlicensed Frequency Bands
CN105228199A (en) * 2015-09-30 2016-01-06 宇龙计算机通信科技(深圳)有限公司 A kind of carrier switch method based on unauthorized frequency range, base station and system
CN106416141A (en) * 2014-05-16 2017-02-15 华为技术有限公司 System and method for dynamic resource allocation over licensed and unlicensed spectrums
CN106576302A (en) * 2014-08-18 2017-04-19 三星电子株式会社 Communication on licensed and unlicensed bands
CN107211334A (en) * 2015-01-28 2017-09-26 阿尔卡特朗讯 User equipment auxiliary switching in license and unlicensed band
CN107211403A (en) * 2015-01-20 2017-09-26 索尼公司 User equipment, cellular network node and the method for providing mandate supplementary access
CN107820718A (en) * 2017-04-21 2018-03-20 深圳前海达闼云端智能科技有限公司 Method and device for reselecting cell
CN107820253A (en) * 2016-09-13 2018-03-20 网络性能研究集团有限责任公司 Simultaneously using the method and apparatus of multiple channels in dynamic frequency selection frequency range in wireless network
CN107852652A (en) * 2015-07-31 2018-03-27 T移动美国公司 The migration session between unauthorized data network and cellular network
WO2018089930A1 (en) * 2016-11-14 2018-05-17 Intel IP Corporation Systems, methods, and devices for high speed cell identification
CN108391291A (en) * 2017-02-03 2018-08-10 电信科学技术研究院 A kind of residence reselecting and device
CN108738096A (en) * 2017-04-18 2018-11-02 维沃移动通信有限公司 A kind of method, terminal, base station and the core network entity of cell selection and gravity treatment
CN108882321A (en) * 2018-06-13 2018-11-23 Oppo广东移动通信有限公司 A kind of residence reselecting, terminal and computer readable storage medium
CN108934059A (en) * 2017-05-27 2018-12-04 深圳市金立通信设备有限公司 The selection method and relevant device of unlicensed band persistent district
CN109417809A (en) * 2016-05-26 2019-03-01 高通股份有限公司 For accessing the method and apparatus for exempting from licensed band and licensed frequency band

Patent Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1505413A (en) * 2002-12-03 2004-06-16 北京三星通信技术研究有限公司 Method of switching between CDMA system and GSM system for dual mode mobile station
US20130094483A1 (en) * 2008-10-31 2013-04-18 Interdigital Patent Holidings, Inc. Method And Apparatus For Handling Uplink Transmissions Using Multiple Uplink Carriers
CN102282903A (en) * 2008-10-31 2011-12-14 交互数字专利控股公司 Handling uplink transmissions using multiple uplink carriers
CN102149157A (en) * 2010-02-10 2011-08-10 中兴通讯股份有限公司 System and method for cell reselection
US20130260766A1 (en) * 2011-01-06 2013-10-03 Lg Electronics Inc. Method for Recovering Connection Failure in Wireless Communication System and Device Therefor
CN102143560A (en) * 2011-03-29 2011-08-03 中兴通讯股份有限公司 Inter-heterosystem redirection method and system
US20150072686A1 (en) * 2012-03-15 2015-03-12 Samsung Electronics Co., Ltd. Apparatus and method for supporting handover to csg cell or hybrid cell
CN103517456A (en) * 2012-06-14 2014-01-15 网件公司 Dual band LTE small cell
CN103581834A (en) * 2012-07-30 2014-02-12 中国移动通信集团公司 Cell reselection and residence method, terminal, network equipment and system
CN103916923A (en) * 2013-01-04 2014-07-09 中国移动通信集团公司 Method, device and system for redirecting terminal under multimode network state
WO2015094816A1 (en) * 2013-12-20 2015-06-25 Qualcomm Incorporated Techniques for configuring uplink channels in unlicensed radio frequency spectrum bands
CN104822149A (en) * 2014-02-05 2015-08-05 苹果公司 Wi-Fi Signaling by Cellular Devices for Coexistence in Unlicensed Frequency Bands
CN106416141A (en) * 2014-05-16 2017-02-15 华为技术有限公司 System and method for dynamic resource allocation over licensed and unlicensed spectrums
CN106576302A (en) * 2014-08-18 2017-04-19 三星电子株式会社 Communication on licensed and unlicensed bands
CN107211403A (en) * 2015-01-20 2017-09-26 索尼公司 User equipment, cellular network node and the method for providing mandate supplementary access
CN107211334A (en) * 2015-01-28 2017-09-26 阿尔卡特朗讯 User equipment auxiliary switching in license and unlicensed band
CN107852652A (en) * 2015-07-31 2018-03-27 T移动美国公司 The migration session between unauthorized data network and cellular network
CN105228199A (en) * 2015-09-30 2016-01-06 宇龙计算机通信科技(深圳)有限公司 A kind of carrier switch method based on unauthorized frequency range, base station and system
CN109417809A (en) * 2016-05-26 2019-03-01 高通股份有限公司 For accessing the method and apparatus for exempting from licensed band and licensed frequency band
CN107820253A (en) * 2016-09-13 2018-03-20 网络性能研究集团有限责任公司 Simultaneously using the method and apparatus of multiple channels in dynamic frequency selection frequency range in wireless network
WO2018089930A1 (en) * 2016-11-14 2018-05-17 Intel IP Corporation Systems, methods, and devices for high speed cell identification
CN108391291A (en) * 2017-02-03 2018-08-10 电信科学技术研究院 A kind of residence reselecting and device
CN108738096A (en) * 2017-04-18 2018-11-02 维沃移动通信有限公司 A kind of method, terminal, base station and the core network entity of cell selection and gravity treatment
CN107820718A (en) * 2017-04-21 2018-03-20 深圳前海达闼云端智能科技有限公司 Method and device for reselecting cell
CN108934059A (en) * 2017-05-27 2018-12-04 深圳市金立通信设备有限公司 The selection method and relevant device of unlicensed band persistent district
CN108882321A (en) * 2018-06-13 2018-11-23 Oppo广东移动通信有限公司 A kind of residence reselecting, terminal and computer readable storage medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NTT DOCOMO等: ""Status Report of Study on New Radio Access Technology"", 《3GPP TSG RAN MEETING #75 RP-170376》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227014A1 (en) * 2020-05-15 2021-11-18 Apple Inc. Enhanced initial access procedures in wireless communication
US11997591B2 (en) 2020-05-15 2024-05-28 Apple Inc. Enhanced initial access procedures in wireless communication
WO2022068728A1 (en) * 2020-09-29 2022-04-07 维沃移动通信有限公司 Configuration method and apparatus, and terminal and network side device

Similar Documents

Publication Publication Date Title
JP7279766B2 (en) Wireless terminal, base station, and methods thereof
US9031563B2 (en) Enhanced inter-RAT mobility support using inter-RAT channel avoidance
RU2505943C1 (en) Providing measurement reports for cells using more than one radio access technology
US8687596B2 (en) Method of cell reselection in a wireless telecommunications device operative with a plurality of radio access networks
WO2019144399A1 (en) Cell reselection method and device, and computer storage medium
CA2738161A1 (en) Apparatus and method for searching for and reporting public land mobile networks "plmns" in a mobile telecommunications system
US9226214B2 (en) Method and apparatus for a terminal to select a cell in a heterogeneous network
US20160057688A1 (en) Handling uplink/downlink imbalance
WO2015170689A1 (en) User equipment, base station, cell selection control method, and parameter transmission method
WO2017063125A1 (en) Cell reselection method and user equipment
CN115002873A (en) Communication method, system and computer readable storage medium
CN107404737B (en) Method, device and system for reselecting MTC terminal cell
WO2015169238A1 (en) Cell selection method and device and control method and device therefor
CN108076489A (en) A kind of method and device of cell selection
CA2672062C (en) A method of cell reselection in a wireless telecommunications device operative with a plurality of radio access networks
US8929897B2 (en) Method and apparatus for providing improved mobility procedure
CN111669790A (en) Cell reselection or redirection method, device, network side equipment and terminal
WO2014153756A1 (en) Scaled inter-frequency measurement for cell reselection
JP4927958B2 (en) Mobile station with semi-active mode
CN114698035A (en) Neighbor cell measurement triggering method and device and computer readable storage medium
CN114071590A (en) Cell reselection method for shared network, terminal and storage medium
CN111436092B (en) Method, terminal and network equipment for selecting resident cell in unlicensed frequency band
WO2020048515A1 (en) Network reporting in a cellular network
CN113115385B (en) Reselection method and device for new radio terminal in control connection recovery
CN106658599B (en) Method, device and system for idle terminal to reside

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200915

RJ01 Rejection of invention patent application after publication