WO2021008521A1

WO2021008521A1 - Adjacent area information receiving method, adjacent area information sending method, terminal, and base station

Info

Publication number: WO2021008521A1
Application number: PCT/CN2020/101871
Authority: WO
Inventors: 陈宁宇; 旷婧华; 胡南
Original assignee: 中国移动通信有限公司研究院; 中国移动通信集团有限公司
Priority date: 2019-07-17
Filing date: 2020-07-14
Publication date: 2021-01-21
Also published as: CN112243275A

Abstract

An adjacent area information receiving method, an adjacent area information sending method, a terminal, and a base station, the method comprising: receiving reselection information sent by a network, the reselection information comprising the corresponding relationship between first information and second information, the first information comprising an adjacent area frequency point and/or adjacent area identifier, and the second information comprising public land mobile network PLMN and/or prohibit timer information, the prohibit timer information being used for indicating the time the terminal is prohibited from cell reselection on the target frequency point when a first event occurs. The present disclosure provides technical support for reducing or preventing the reselection delay caused by the terminal reselecting the non-home operator network during spectrum sharing; in addition, when the PLMN of the optimal cell at a certain frequency point is different to the PLMN to which the terminal belongs, by means of prohibiting the access of the terminal on the frequency point, the present disclosure can reduce or prevent same-frequency interference.

Description

Neighboring cell information receiving method, neighboring cell information sending method, terminal and base station

Cross references to related applications

This application claims the priority of Chinese Patent Application No. 201910645883.4 filed in China on July 17, 2019, the entire content of which is incorporated herein by reference.

Technical field

The present disclosure relates to the field of mobile communication technology, and in particular to a method for receiving neighboring cell information, a method for transmitting neighboring cell information, a terminal, and a base station.

Background technique

In related technologies, the network usually broadcasts the following information through system information, including same-frequency neighboring cell information, different-frequency neighboring cell information, and different system neighboring cell information. In the process of cell search, the terminal completes downlink synchronization and decodes necessary system messages. The terminal can select a cell to camp on according to various preset cell selection criteria.

In order to effectively utilize the limited spectrum resources, there are currently application scenarios where multiple operators share the same spectrum. In the above scenario, cell reselection may occur in the terminal, and how to reduce the terminal reselection delay in the above scenario has become a technical problem to be solved urgently.

Summary of the invention

At least one embodiment of the present disclosure provides a neighboring cell information receiving method, a neighboring cell information sending method, a terminal, and a base station, in order to reduce or avoid reselection caused by the terminal reselecting to a non-home operator network during spectrum sharing Time delay provides technical support.

According to an aspect of the present disclosure, at least one embodiment provides a neighboring cell information receiving method, including:

Receiving reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, the first information includes neighboring cell frequency points and/or neighboring cell identifiers, and the second The information includes public land mobile network PLMN and/or prohibit timer information, where the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, and the first The event is that the PLMN of the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN.

In addition, according to at least one embodiment of the present disclosure, the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.

In addition, according to at least one embodiment of the present disclosure, the correspondence relationship includes at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information corresponding to the first information and/or prohibit timer information;

In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information;

In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information;

In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

In addition, according to at least one embodiment of the present disclosure, during cell reselection, the method further includes:

The target cell selected on the first frequency point according to the predetermined cell reselection criterion;

Judging whether the PLMN of the target cell is the PLMN to which the terminal belongs or an equivalent PLMN according to the reselection information;

When the PLMN of the target cell is the PLMN to which the terminal belongs or an equivalent PLMN, reselect or camp on the target cell.

In addition, according to at least one embodiment of the present disclosure, the above method further includes:

When the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, the first prohibition timer is started, and cell reselection is performed on the second frequency point, where the second frequency band is different from the first frequency point , Wherein the terminal prohibits cell reselection on the first frequency point before the first prohibition timer expires.

According to another aspect of the present disclosure, at least one embodiment provides a neighboring cell information sending method applied to a base station, including:

Send reselection information to the terminal, where the reselection information includes the correspondence between the first information and the second information, the first information includes adjacent cell frequency points and/or adjacent cell identifiers, and the second information It includes public land mobile network PLMN and/or prohibit timer information, where the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, the first event The PLMN of the cell reselected for the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

According to another aspect of the present disclosure, at least one embodiment provides a terminal, including:

The receiving module is configured to receive reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers The second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs The first event is that the PLMN of the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

In addition, according to at least one embodiment of the present disclosure, the aforementioned terminal further includes:

The access module is used to select the target cell on the first frequency point according to the predetermined cell reselection criterion during the cell reselection; judge whether the PLMN of the target cell is the selected one according to the reselection information The PLMN or equivalent PLMN to which the terminal belongs; and when the PLMN of the target cell is the PLMN or equivalent PLMN to which the terminal belongs, reselect or camp on the target cell.

In addition, according to at least one embodiment of the present disclosure, the access module is further configured to start a first prohibition timer when the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, and set the Cell reselection is performed on the second frequency point, and the second frequency band is different from the first frequency point, wherein the terminal prohibits cell reselection on the first frequency point before the first prohibition timer expires.

According to another aspect of the present disclosure, at least one embodiment provides a terminal including a processor and a transceiver, wherein:

The transceiver is configured to receive reselection information sent by the network, the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent Area identification, the second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate that the terminal prohibits cell reselection on the target frequency when the first event occurs The first event is that the PLMN of the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

According to another aspect of the present disclosure, at least one embodiment provides a base station, including:

The sending module is configured to send reselection information to the terminal, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers, The second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, The first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

According to another aspect of the present disclosure, at least one embodiment provides a base station including a processor and a transceiver, wherein:

The transceiver is configured to send reselection information to the terminal, the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cells Identification, the second information includes public land mobile network PLMN and/or prohibit timer information, the prohibit timer information is used to indicate that the terminal prohibits cell reselection on the target frequency when the first event occurs At time, the first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

According to another aspect of the present disclosure, at least one embodiment provides a communication device including: a memory, a processor, and a program stored in the memory and capable of being run on the processor, and when the program is executed by the processor , To implement the steps of the method described above.

According to another aspect of the present disclosure, at least one embodiment provides a computer-readable storage medium having a program stored on the computer-readable storage medium, and when the program is executed by a processor, it implements the method described above. step.

Compared with related technologies, the neighboring cell information receiving method, neighboring cell information sending method, terminal and base station provided by the embodiments of the present disclosure broadcast through the network reselection information including the correspondence between neighboring cells and PLMN/prohibition timers, so that The terminal can learn the PLMN to which the neighboring cell belongs, thereby providing technical support for reducing or avoiding the reselection delay caused by the terminal reselecting to a non-home operator network during spectrum sharing, and the optimal cell at a certain frequency point When the PLMN is different from the PLMN to which the terminal belongs, the present disclosure can reduce or avoid co-channel interference by prohibiting the terminal from accessing the frequency point.

Description of the drawings

By reading the detailed description of the optional embodiments below, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only used for the purpose of showing alternative embodiments, and are not considered as a limitation to the present disclosure. Also, throughout the drawings, the same reference symbols are used to denote the same components. In the attached picture:

FIG. 1 is a schematic diagram of an application scenario of an embodiment of the disclosure;

FIG. 2 is a flowchart of a method for receiving neighbor information provided by an embodiment of the disclosure;

FIG. 3 is a flowchart of a neighboring cell information sending method provided by an embodiment of the disclosure;

FIG. 4 is a schematic structural diagram of a terminal provided by an embodiment of the disclosure;

FIG. 5 is a schematic diagram of another structure of a terminal provided by an embodiment of the disclosure;

FIG. 6 is a schematic structural diagram of a base station provided by an embodiment of the disclosure;

FIG. 7 is a schematic diagram of another structure of a base station provided by an embodiment of the disclosure.

Detailed ways

Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

The terms "first", "second", etc. in the specification and claims of this application are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein, for example, can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to the clearly listed Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment. In the specification and claims, "and/or" means at least one of the connected objects.

The technology described in this article is not limited to Long Time Evolution (LTE), LTE-Advanced (LTE-A) systems, and 5G New Air Interface (NR) systems, and can also be used in various wireless communication systems. Such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple) Access, OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" are often used interchangeably. The CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA). UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants. The TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM). OFDMA system can realize such as Ultra Mobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE802.21(Wi-Fi), IEEE802.16(WiMAX), IEEE802.20, Flash-OFDM And other radio technology. UTRA and E-UTRA are part of Universal Mobile Telecommunications System (UMTS). LTE and more advanced LTE (such as LTE-A) are new UMTS versions that use E-UTRA. UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project" (3GPP). CDMA2000 and UMB are described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2). The technology described in this article can be used for the systems and radio technologies mentioned above as well as other systems and radio technologies. However, the following description describes the NR system for exemplary purposes, and NR terminology is used in most of the description below, although these techniques can also be applied to applications other than NR system applications.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made to the function and arrangement of the discussed elements without departing from the spirit and scope of the present disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described method may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Please refer to FIG. 1, which shows a block diagram of a wireless communication system to which an embodiment of the present disclosure is applicable. The wireless communication system includes a terminal 11 and a network device 12. Among them, the terminal 11 may also be referred to as a user terminal or a user equipment (UE), and the terminal 11 may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), or a personal digital assistant (Personal Digital Assistant). , PDA), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted equipment and other terminal side devices, it should be noted that the specific type of terminal 11 is not limited in the embodiments of the present disclosure . The network device 12 may be a base station and/or a core network element, where the above-mentioned base station may be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, WLAN Access point, or other access points, etc.), where the base station can be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node or As long as some other suitable terminology in the field achieves the same technical effect, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiments of the present disclosure, only the base station in the NR system is taken as an example, but not The specific type of base station is not limited.

The base station may communicate with the terminal 11 under the control of the base station controller. In various examples, the base station controller may be a part of a core network or some base stations. Some base stations can communicate control information or user data with the core network through the backhaul. In some examples, some of these base stations may directly or indirectly communicate with each other through a backhaul link, which may be a wired or wireless communication link. The wireless communication system can support operations on multiple carriers (waveform signals of different frequencies). Multi-carrier transmitters can simultaneously transmit modulated signals on these multiple carriers. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal can be sent on a different carrier and can carry control information (for example, reference signals, control channels, etc.), overhead information, data, and so on.

The base station can wirelessly communicate with the terminal 11 via one or more access point antennas. Each base station can provide communication coverage for its corresponding coverage area. The coverage area of an access point can be divided into sectors that constitute only a part of the coverage area. The wireless communication system may include different types of base stations (for example, macro base stations, micro base stations, or pico base stations). The base station can also utilize different radio technologies, such as cellular or WLAN radio access technologies. The base stations can be associated with the same or different access networks or operator deployments. The coverage areas of different base stations (including coverage areas of the same or different types of base stations, coverage areas using the same or different radio technologies, or coverage areas belonging to the same or different access networks) may overlap.

The communication link in a wireless communication system may include an uplink for carrying uplink (Uplink, UL) transmission (for example, from the terminal 11 to the network device 12), or for carrying a downlink (Downlink, DL) Transmission (for example, from the network device 12 to the terminal 11) downlink. UL transmission may also be referred to as reverse link transmission, and DL transmission may also be referred to as forward link transmission. Downlink transmission can use licensed frequency bands, unlicensed frequency bands, or both. Similarly, uplink transmission can be performed using licensed frequency bands, unlicensed frequency bands, or both.

The network side can broadcast the following information through the system information, including the same frequency neighboring cell information, different frequency neighboring cell information, and different system neighboring cell information. The above-mentioned neighboring cell information may include a physical cell identity, but usually does not include Public Land Mobile Network (PLMN) information. Therefore, in a scenario where multiple operators share the spectrum, the terminal does not know which PLMN a certain neighboring cell belongs to when reading the neighboring cell information in the system information. Therefore, when the terminal performs cell reselection, it usually needs to read the system information of the neighboring cell to learn the PLMN information to which the neighboring cell belongs after reselecting a certain neighboring cell. At this time, if the neighboring cell does not belong to the terminal If it is a PLMN, the terminal cannot camp in the neighboring cell, so it needs to continue cell reselection, which causes the access process to take a long time.

To solve the above problems, the embodiments of the present disclosure provide a method for receiving neighbor information, which can provide technical support for reducing or avoiding the reselection delay caused by the terminal reselecting to a non-home operator network during spectrum sharing. Referring to Figure 2, the neighboring cell information receiving method provided by the embodiment of the present disclosure is applied to a terminal and includes:

Step 21: Receive reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers. The second information includes PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs. The first event The PLMN that is the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN.

Here, the reselection information may specifically be one or more of the following information: same frequency reselection information, different frequency reselection information, and different system reselection information. The reselection information may be sent by the cell where the terminal currently resides, and may be specifically sent by being carried in a system message, or sent by an RRC signaling message, which is not specifically limited in the embodiment of the present disclosure.

Optionally, the corresponding relationship includes at least the corresponding relationship between the adjacent cell frequency/neighbor cell identifier and the PLMN. In this way, the corresponding relationship between each adjacent cell frequency/neighbor cell identifier can be determined through the game relationship. PLMN, so that the terminal knows the PLMN to which each neighboring cell belongs.

Optionally, the correspondence relationship further includes the prohibition timer, which is used to prohibit the terminal for a subsequent period of time when the terminal finds that the PLMN of the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN The cell reselection is performed on the target frequency point, thereby greatly improving the cell reselection efficiency of the terminal and reducing the reselection delay.

Through the above steps, the embodiment of the present disclosure realizes that the current camping cell sends to the terminal the reselection information of the correspondence between the neighboring cell and the PLMN/prohibition timer, so that the terminal can learn the PLMN to which each neighboring cell belongs, and then proceed to the cell During reselection, the neighboring cell under the PLMN to which the terminal belongs can be selected for access, which provides technical support for reducing or avoiding the reselection delay caused by the terminal reselecting to a non-home operator network during spectrum sharing.

According to at least one embodiment of the present disclosure, the correspondence relationship may include at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

1) In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information.

In this document, the neighboring cell frequency refers to the operating frequency of the neighboring cell, and the PLMN information may specifically be the PLMN identification (ID) of the cell or a PLMN ID list including multiple PLMN IDs.

The first correspondence takes the form of one or more PLMN information corresponding to a frequency point (each PLMN information may be a PLMN ID or a PLMN ID list) to indicate the correspondence between neighboring cells and PLMNs.

In practical applications, there may be multiple cells on a frequency point, and multiple cells on the frequency point may belong to the same operator, and the operator may have more than one PLMN ID, that is, when working in a neighbor When multiple cells in a cell frequency point belong to the same operator, the first correspondence can be used to indicate all neighboring cells and PLMN information on the neighbor cell frequency point (specifically, it may be a PLMN ID or include multiple PLMNs). ID list, and all the PLMN IDs in the list belong to the same operator), avoiding the method of indicating for each neighboring cell separately, thereby reducing the amount of data required for the indication information.

2) In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information.

Here, the second correspondence takes the form of one or more frequency points corresponding to one PLMN information (such as a PLMN ID or a PLMN ID list) to indicate the correspondence between neighboring cells and PLMNs.

3) In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information.

Here, the third correspondence takes the form of one or more PLMN information (such as a PLMN ID or a PLMN ID list) corresponding to a neighboring cell identifier to indicate the correspondence between neighboring cells and PLMNs.

4) In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information.

Here, the fourth correspondence takes the form of one or more neighbor cell identifiers corresponding to one PLMN information (such as a PLMN ID or a PLMN ID list) to indicate the correspondence between the neighbor cells and the PLMN.

According to at least one embodiment of the present disclosure, after step 21, the terminal may also select a frequency point (such as the first frequency point) according to a predetermined cell reselection criterion during cell reselection. Then, according to the reselection information, it is determined whether the PLMN of the target cell is the PLMN to which the terminal belongs or an equivalent PLMN; the PLMN in the target cell is the PLMN to which the terminal belongs or an equivalent When PLMN, reselect or camp on the target cell.

Optionally, if it is determined that the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, the terminal may start a first prohibition timer and perform cell reselection on the second frequency point, so The second frequency band is different from the first frequency point, wherein the terminal is prohibited from performing cell reselection on the first frequency point before the first prohibition timer expires. The timeout period of the first prohibition timer is set according to the prohibition timer information corresponding to the first frequency point or the target cell in the reselection information.

In this way, through the above prohibition timer, the embodiment of the present disclosure can prevent the terminal from reselecting to the sub-optimal cell by prohibiting the terminal from accessing on the frequency when the PLMN of the optimal cell at a certain frequency is different from the PLMN to which the terminal belongs. Therefore, when the terminal reselects to the sub-optimal cell, the downlink signal of the above optimal cell will cause downlink interference to the terminal, and the uplink signal of the terminal will also cause interference to the uplink signal of the optimal cell, resulting in serious Co-channel interference problem. The embodiment of the present disclosure can prevent the terminal from staying at this frequency point for a period of time through the prohibition timer in the embodiment of the present disclosure, and prompt the terminal to reselect to another frequency point, thereby reducing or avoiding the aforementioned co-frequency interference.

The method flow on the terminal side is described above. Referring to FIG. 3 below, an embodiment of the present disclosure also provides a method for sending neighboring cell information, which is applied to a base station, including:

Step 31: Send reselection information to the terminal, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers. The second information includes public land mobile network PLMN and/or prohibit timer information, the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, and The first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

Optionally, the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.

Optionally, the correspondence relationship includes at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

In the second correspondence, the second information is cell PLMN information and/or prohibited timer information, and the first information is at least one neighboring cell frequency corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

Through the above steps, in the embodiment of the present disclosure, the network can send the reselection information to the terminal, so that the terminal can learn the PLMN to which each neighboring cell belongs, so that the neighbors under the PLMN to which the terminal belongs can be selected during subsequent cell reselection. It provides technical support for reducing or avoiding the reselection delay caused by the terminal reselecting to the non-home operator network during spectrum sharing.

Several possible examples of the correspondence relationship described in step 31 are listed below. The characteristics of these examples are that one frequency or one neighboring cell corresponds to several PLMN information (specifically, it can be a PLMN ID or include multiple PLMN IDs. PLMN list), the number of ones mentioned here can be one or more:

1) The same frequency reselection information includes the physical cell identity of the same frequency neighboring cell and "PLMN information + prohibit timer information". In this article, "A+B" means a combination of A and B. For example, "PLMN information + prohibit timer information" here means a combination of PLMN information and prohibit timer information.

2) The inter-frequency reselection information includes adjacent frequency information and "PLMN information + prohibit timer information".

3) The inter-frequency reselection information includes adjacent frequency information, and the adjacent frequency information includes frequency point information, physical cell identification, and "PLMN information + prohibit timer information". The physical cell identity is the physical cell identity of the cell on the frequency indicated by the frequency information. The PLMN information is the PLMN ID or PLMN ID list of the cell.

4) Different system reselection information includes radio access network (RAT) information, frequency information and "PLMN information + prohibit timer information".

5) The inter-system reselection information includes RAT information, frequency information, physical cell identification information, and "PLMN information + prohibit timer information". The physical cell identity is the physical cell identity of the cell of the RAT on the frequency, and the PLMN information is the PLMN ID or PLMN ID list corresponding to the cell.

Some other possible examples of the correspondence relationship described in step 31 are as follows. The characteristics of these examples are that one or a group of PLMNs corresponds to multiple frequencies or multiple cells:

1) The same frequency reselection information includes one or a group of PLMNs corresponding to multiple physical cell identities.

2) The inter-frequency reselection information includes one or a group of PLMNs corresponding to multiple frequency points.

3) The inter-frequency reselection information contains one or a group of PLMNs corresponding to multiple frequency points, and each frequency point contains multiple physical cell identities.

4) The inter-system reselection information includes one or a group of PLMNs corresponding to multiple frequency points, and each frequency point contains multiple physical cell identities.

Based on the above method, the embodiments of the present disclosure also provide a device for implementing the above method.

Referring to FIG. 4, an embodiment of the present disclosure provides a terminal 40, including:

The receiving module 41 is configured to receive reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cells Identification, the second information includes public land mobile network PLMN and/or prohibit timer information, the prohibit timer information is used to indicate that the terminal prohibits cell reselection on the target frequency when the first event occurs At time, the first event is that the PLMN of the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

Optionally, the terminal further includes:

Optionally, the access module is further configured to start a first prohibit timer when the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, and perform cell reconfiguration on the second frequency point. Optionally, the second frequency band is different from the first frequency point, wherein the terminal prohibits cell reselection on the first frequency point before the first prohibition timer expires.

Please refer to FIG. 5, another structure of a terminal provided by an embodiment of the present disclosure. The terminal 500 includes a processor 501, a transceiver 502, a memory 503, a user interface 504, and a bus interface, where:

In the embodiment of the present disclosure, the terminal 500 further includes: a program that is stored on the memory 503 and can run on the processor 501. When the program is executed by the processor 501, the following steps are implemented:

Receiving reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, the first information includes neighboring cell frequency points and/or neighboring cell identifiers, and the second The information includes public land mobile network PLMN and/or prohibit timer information. The prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs. The event is that the PLMN of the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN.

In FIG. 5, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 501 and various circuits of the memory represented by the memory 503 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein. The bus interface provides the interface. The transceiver 502 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium. For different user equipment, the user interface 504 may also be an interface capable of externally connecting internally required equipment. The connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

The processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 when performing operations.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

Optionally, the following steps may be implemented when the program is executed by the processor 503:

During cell reselection, the target cell selected on the first frequency point according to the predetermined cell reselection criterion;

Referring to FIG. 6, an embodiment of the present disclosure provides a base station 60, including:

The sending module 61 is configured to send reselection information to the terminal, where the reselection information includes the corresponding relationship between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers The second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs The first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

Please refer to FIG. 7, an embodiment of the present disclosure provides another structural diagram of a network device, including: a processor 701, a transceiver 702, a memory 703, and a bus interface, where:

In the embodiment of the present disclosure, the network device 700 further includes: a program that is stored in the memory 703 and can run on the processor 701, and the program is executed by the processor 701 to implement the following steps:

In FIG. 7, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 701 and various circuits of the memory represented by the memory 703 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein. The bus interface provides the interface. The transceiver 702 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.

The processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 can store data used by the processor 701 when performing operations.

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.

A person of ordinary skill in the art may be aware that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of the present disclosure.

Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the above-described system, device, and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed device and method may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present disclosure.

In addition, the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.

If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present disclosure essentially or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several The instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure. The aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. It should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

A method for receiving neighbor information, applied to a terminal, includes:

Receiving reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, the first information includes neighboring cell frequency points and/or neighboring cell identifiers, and the second The information includes public land mobile network PLMN and/or prohibit timer information. The prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs. The event is that the PLMN of the cell on the target frequency is not the PLMN to which the terminal belongs or an equivalent PLMN.
The method according to claim 1, wherein the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.
The method of claim 1, wherein the correspondence relationship includes at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information corresponding to the first information and/or prohibit timer information;

In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information;

In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information;

In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.
The method according to any one of claims 1 to 3, wherein, during cell reselection, the method further comprises:

The target cell selected on the first frequency point according to the predetermined cell reselection criterion;

Judging whether the PLMN of the target cell is the PLMN to which the terminal belongs or an equivalent PLMN according to the reselection information;

When the PLMN of the target cell is the PLMN to which the terminal belongs or an equivalent PLMN, reselect or camp on the target cell.
The method of claim 4, further comprising:

When the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, the first prohibition timer is started, and cell reselection is performed on the second frequency point, where the second frequency band is different from the first frequency point , Wherein the terminal prohibits cell reselection on the first frequency point before the first prohibition timer expires.
A method for sending neighbor cell information, applied to a base station, includes:

Send reselection information to the terminal, where the reselection information includes the correspondence between the first information and the second information, the first information includes adjacent cell frequency points and/or adjacent cell identifiers, and the second information It includes public land mobile network PLMN and/or prohibit timer information, where the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, the first event The PLMN of the cell reselected for the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.
8. The method according to claim 6, wherein the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.
The method according to claim 6, wherein the corresponding relationship includes at least one of a first corresponding relationship, a second corresponding relationship, a third corresponding relationship, and a fourth corresponding relationship, wherein:

In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information corresponding to the first information and/or prohibit timer information;

In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information;

In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information;

In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.
A terminal, including:

The receiving module is configured to receive reselection information sent by the network, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers The second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs The first event is that the PLMN of the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.
The terminal according to claim 9, wherein the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.
The terminal according to claim 9, wherein the correspondence relationship includes at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information corresponding to the first information and/or prohibit timer information;

In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information;

In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information;

In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.
The terminal according to any one of claims 9 to 11, further comprising:

The access module is used to select the target cell on the first frequency point according to the predetermined cell reselection criterion during the cell reselection; judge whether the PLMN of the target cell is the selected one according to the reselection information The PLMN or equivalent PLMN to which the terminal belongs; and when the PLMN of the target cell is the PLMN or equivalent PLMN to which the terminal belongs, reselect or camp on the target cell.
The terminal according to claim 12, wherein:

The access module is also configured to start a first prohibit timer when the PLMN of the target cell is not the PLMN to which the terminal belongs or an equivalent PLMN, and perform cell reselection on the second frequency point, the The second frequency band is different from the first frequency point, wherein the terminal prohibits cell reselection on the first frequency point before the first prohibition timer expires.
A terminal including a processor and a transceiver, wherein,

The transceiver is configured to receive reselection information sent by the network, the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent Area identification, the second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate that the terminal prohibits cell reselection on the target frequency when the first event occurs The first event is that the PLMN of the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.
A base station, including:

The sending module is configured to send reselection information to the terminal, where the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cell identifiers, The second information includes public land mobile network PLMN and/or prohibit timer information, and the prohibit timer information is used to indicate the time when the terminal prohibits cell reselection on the target frequency when the first event occurs, The first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.
The base station according to claim 15, wherein the reselection information includes at least one of the following: intra-frequency reselection information, inter-frequency reselection information, and inter-system reselection information.
The base station according to claim 15, wherein the correspondence relationship includes at least one of a first correspondence relationship, a second correspondence relationship, a third correspondence relationship, and a fourth correspondence relationship, wherein:

In the first correspondence, the first information is a neighboring cell frequency, and the second information is at least one PLMN information corresponding to the first information and/or prohibit timer information;

In the second correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighboring cell frequency corresponding to the second information;

In the third correspondence, the first information is a neighbor cell identifier, and the second information is at least one PLMN information and/or prohibit timer information corresponding to the first information;

In the fourth correspondence, the second information is PLMN information and/or prohibit timer information of the cell, and the first information is at least one neighbor cell identifier corresponding to the second information;

Wherein, the PLMN information is the PLMN ID or PLMN ID list of the cell.
A base station, including a processor and a transceiver, wherein,

The transceiver is configured to send reselection information to the terminal, the reselection information includes the correspondence between the first information and the second information, and the first information includes adjacent cell frequency points and/or adjacent cells Identification, the second information includes public land mobile network PLMN and/or prohibit timer information, the prohibit timer information is used to indicate that the terminal prohibits cell reselection on the target frequency when the first event occurs At time, the first event is that the PLMN of the cell reselected by the cell on the target frequency point is not the PLMN to which the terminal belongs or an equivalent PLMN.
A communication device, comprising: a memory, a processor, and a program stored on the memory and capable of running on the processor, and when the program is executed by the processor, the program described in any one of claims 1 to 8 is realized Method steps.
A computer-readable storage medium having a program stored thereon, and when the program is executed by a processor, the steps of the method according to any one of claims 1 to 8 are realized.