CN116033498A - Access method, residence method, device, user equipment and storage medium - Google Patents
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Abstract
The application discloses an access method, a residence method, a device, user equipment and a storage medium, wherein the access method comprises the following steps: the UE determines whether to enter a connection state according to the target information; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of a UE, LBT information, and first indication information, where the LBT information is used to indicate whether the UE has continuous LBT failure, and the first indication information is used to indicate whether network side equipment supports sensing or resource selection on the unlicensed frequency band.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to an access method, a residence device, user equipment and a storage medium.
Background
In a communication system, a network side device can regulate and control transmission resources of User Equipment (UE) through related configuration, and control the time when the UE enters a connected state so as to facilitate a subsequent UE to request the resources of data transmission. However, on the unlicensed band, the sidelink (sidelink) UE does not perform data transmission based on the resource configuration of the network side device, and how the network side device controls the UE in the idle state or the inactive state to enter the connected state under the condition of considering the influence of the unlicensed band, and/or how the network side device controls the UE to reside on the unlicensed band under the condition of considering the influence of the unlicensed band is a problem to be solved.
Disclosure of Invention
The embodiment of the application provides an access method and a residence method, which can solve the problem of how to establish or reside connection of a side link UE under the condition of considering the influence of an unlicensed frequency band.
In a first aspect, an access method is provided, applied to a UE, the method including: the UE determines whether to enter a connection state according to the target information; wherein the target information includes at least one of: related configuration information of an unlicensed band, service requirement information of the UE, listen before talk (Listen before Talk, LBT) information, first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE, and the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on the unlicensed band.
In the aspect, the UE can flexibly determine whether to enter a connection state according to the target information, that is, the UE can determine whether to establish a connection based on related information of an unlicensed frequency band, so as to flexibly regulate and control state transition conditions of the UE in an idle state or a non-active state.
In a second aspect, a camping method is provided, applied to a UE, the method comprising: the UE determines a frequency point to be resided in a cell selection or reselection process according to the target information; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether the UE has continuous LBT failure or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
In the aspect, the UE can flexibly determine the frequency point to be resided in the cell selection or reselection process according to the target information, that is, the UE can determine the frequency point to be resided based on the related information of the unlicensed frequency band, so that the accurate and flexible determination and regulation of the residency condition in the cell selection or reselection process is realized.
In a third aspect, there is provided an access device comprising: the device comprises an acquisition module and a determination module. And the acquisition module is used for acquiring the target information. The determining module is used for determining whether to enter a connection state according to the target information acquired by the acquiring module; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of a UE, LBT information, and first indication information, where the LBT information is used to indicate whether the UE has continuous LBT failure, and the first indication information is used to indicate whether network side equipment supports sensing or resource selection on the unlicensed frequency band.
In a fourth aspect, there is provided a residence device comprising: the device comprises an acquisition module and a determination module. And the acquisition module is used for acquiring the target information. The determining module is used for determining a frequency point to be resided in the cell selection or reselection process of the UE according to the target information; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of a UE, LBT information, and first indication information, where the LBT information is used to indicate whether the UE has continuous LBT failure, and the first indication information is used to indicate whether network side equipment supports sensing or resource selection on the unlicensed frequency band.
In a fifth aspect, there is provided a UE comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method according to the first aspect or implementing the steps of the method according to the second aspect.
In a sixth aspect, a UE is provided, including a processor and a communication interface, where the processor is configured to determine, according to target information, whether to enter a connection state; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of a UE, LBT information, and first indication information, where the LBT information is used to indicate whether the UE has continuous LBT failure, and the first indication information is used to indicate whether network side equipment supports sensing or resource selection on the unlicensed frequency band.
In a seventh aspect, a UE is provided, including a processor and a communication interface, where the processor is configured to determine, according to target information, a frequency point where the UE is to reside in a cell selection or reselection process; wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of a UE, LBT information, and first indication information, where the LBT information is used to indicate whether the UE has continuous LBT failure, and the first indication information is used to indicate whether network side equipment supports sensing or resource selection on the unlicensed frequency band.
In an eighth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect or performs the steps of the method according to the second aspect.
In a ninth aspect, there is provided a chip comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being for running a program or instructions to implement the method according to the first aspect or to implement the method according to the second aspect.
In a tenth aspect, a computer program/program product is provided, stored in a non-transitory storage medium, the computer program/program product being executed by at least one processor to implement the steps of the access method as described in the first aspect, or to implement the steps of the residence method as described in the second aspect.
In the embodiment of the application, the UE determines whether to enter a connection state according to the target information; wherein the target information includes at least one of: related configuration information of unlicensed frequency bands, service requirement information of UE, LBT information and first indication information. In the scheme, the UE can flexibly determine whether to enter a connection state according to the target information, namely, the UE can judge whether to establish connection based on the related information of the unlicensed frequency band, so that the state transition condition of the UE in an idle state or a non-activated state is flexibly regulated and controlled; or the UE can flexibly determine the frequency point to be resided in the cell selection or reselection process according to the target information, namely, the UE can determine the frequency point to be resided based on the related information of the unlicensed frequency band, so that the accurate and flexible determination and regulation of the residency condition in the cell selection or reselection process is realized.
Drawings
Fig. 1 is a schematic architecture diagram of a communication system according to an embodiment of the present application;
fig. 2 is a schematic diagram of an access method provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a residence method provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of an access device according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a residence device according to an embodiment of the present disclosure;
fig. 6 is a schematic hardware structure of a communication device according to an embodiment of the present application;
fig. 7 is a schematic hardware structure of a UE according to an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (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 (Single-carrier Frequency-Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) th Generation, 6G) communication system.
Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may also be called a terminal Device or a User Equipment (UE), and the terminal 11 may be a terminal-side Device such as a mobile phone, a tablet Computer (Tablet Personal Computer), a Laptop (Laptop Computer) or a notebook (Personal Digital Assistant, PDA), a palm Computer, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet Device (Mobile Internet Device, MID), a Wearable Device (or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and the Wearable Device includes: smart watches, bracelets, headphones, eyeglasses, etc. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the field, and the base station is not limited to a specific technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
Some concepts and/or terms related to the access method, the residence method, the apparatus, the user equipment and the storage medium provided in the embodiments of the present application are explained below.
1. Side link (sidelink)
The lte system supports sidelink, which may also be referred to as a sidelink or an sidelink, for direct data transmission between UEs without a network device.
The UE transmits sidelink control information (Sidelink Control Information, SCI) over a physical sidelink control channel (Physical Sidelink Control Channel, PSCCH), scheduling transmission of a physical sidelink shared channel (Physical Sidelink Shared Channel, PSCCH) to transmit data. The transmission is in a broadcast form, and the receiving end does not feed back whether the reception is successful to the transmitting end.
The LTE sidelink design supports two resource allocation modes, a scheduled resource allocation (Scheduled resource allocation) mode and an autonomous resource selection (Autonomous Resource Selection) mode, respectively. The former is controlled by the network side equipment and allocates resources for each UE, and the latter is autonomously selected by the UE.
Currently, LTE supports sidelink carrier aggregation (Carrier Aggregation, CA). The CA of LTE sidelink is different from the Uu interface (i.e., downlink and uplink) in that the CA of LTE sidelink has no separation of primary carrier (Primary component carrier, PCC) and secondary carrier (Secondary component carrier, SCC). The UE in autonomous resource selection mode performs resource sensing (sensing) and resource reservation independently on each Carrier Cell (CC).
The design of LTE sidelink may be applicable to specific public safety transactions (e.g., emergency communication in disaster sites such as fire or earthquake), or internet of vehicles (Vehicle to Everything, V2X) communication, etc. The internet of vehicles communication includes various services such as basic security type communication, advanced (automatic) driving, formation, sensor expansion, and the like. Since LTE sidelink only supports broadcast communications, it is mainly used for basic security class communications, and other advanced V2X services will be supported by New Radio (NR) sidelink.
The fifth generation (the fifth generation, 5G) mobile communication NR system can be used for an operating frequency band above 6GHz that is not supported by LTE, and supports a larger operating bandwidth, but the current version of NR system only supports an interface between a base station (gNB) and a UE, and does not support a Sidelink interface for direct communication between UEs.
Specifically, in the ProSe network architecture, a communication interface between terminals is called a PC5 interface, and an interface where UE is connected to access network devices such as a terrestrial radio access network (UMTS Terrestrial Radio Access Network, UMTS E-UTRAN) is called a Uu interface.
2. Transmission form of sidelink
Current sidelink transmission is also mainly broadcast (multicast), multicast (multicast), and unicast (unicast) in several transmission modes. Unicast is a transmission in one-to-one (i.e., one to one) format. Multicasting is a one-to-many (i.e., one-to-many) form of transmission. Broadcast is also a one-to-many (i.e., one-to-many) form of transmission, but broadcast does not have the concept that UEs belong to the same group.
Currently, the Sidelink unicast and multicast communications support the feedback mechanism of physical layer hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ).
Currently, NR sidelink defines two modes (modes), one is mode1, where the base station schedules resources, and one is mode2, where the UE itself can decide what resources to use for transmission, where the resource information may come from a broadcast message or a pre-configuration of the base station. If the UE is operating within range of the base station and is in radio resource control (Radio Resource Control, RRC) connection with the base station, then resource transmission is performed through mode1 and/or mode2; if the UE works in the range of the base station, but does not perform RRC connection with the base station, it can only work in mode2; if the UE is out of range of the base station, it can only operate in mode2. In addition, when V2X transmission is performed according to preconfigured information, mode2 may be further divided into 2a,2b,2c, and 2d.
3. Resource pool
Currently, V2X transmission has a concept of "resource pool", where the resource pool is sent or preconfigured by a network side device, and the resource pool includes resources used for transmission and many transmission related parameters, such as in LTE, an offset value of a first subframe of the resource pool, a Bitmap (Bitmap) corresponding to the resource pool, whether PSCCH and PSSCH will be transmitted on adjacent unlimited bearers (RBs), a number of subchannels and a size of each subchannel, a lowest RB index value corresponding to a PSCCH pool, a received signal strength indication (Received Signal Strength Indication, S-RSSI) threshold measured by a computer-generated report commodity index (Computer Build Report), a region identifier, and so on.
Currently, the network side device configures a common transmission resource pool for the UE, and may also configure an abnormal resource pool (abnormal pool) for some special situations, such as a handover procedure, or a radio link failure (Radio Link Failure, RLF) or a procedure of switching from an idle state (idle) to a connected state (connected).
The UE may be under different network coverage, and for different networks, the UE may select a resource pool and corresponding resources based on network scheduling, or may autonomously select a resource pool based on a pre-configuration. The selection of the resource pool may require that the resource pool associated with the region in which the UE is located is selected in consideration of the region. While the autonomous selection of resources in the resource pool is mainly based on the sending mechanism, random selection is also possible (e.g. for the selection of resources in the abnormal resource pool).
4. Unlicensed band new wireless (Unlicensed band NR)
The unlicensed Band may be used as a supplement to Licensed bands to help operators expand communication services. To keep pace with NR deployment and maximize as much as possible unlicensed access based on NR, unlicensed bands may operate in the 5GHz,37GHz and 60GHz bands. Since unlicensed bands are shared by multiple technologies (RATs), such as wireless fidelity (Wireless Fidelity, wiFi), radar, LTE Licensed-Assisted Access (LAA), etc., unlicensed bands must be used in certain countries or regions to meet specifications to ensure that all devices can use the resources fairly, such as LBT, maximum channel occupancy time (Maximum Channel Occupancy Time, MCOT), etc.
5. Listen Before Talk (LBT)
A transmitting end working in an unlicensed frequency band needs to monitor whether the frequency band (which can be identified by a central frequency point+bandwidth) is occupied before transmitting signals, and if not, the transmitting end can transmit signals in the frequency band.
6. RRC establishment condition (Connection Establishment Condition)
In the sidelink, there is a case that V2X sidelink transmission triggers the UE to enter an RRC connected state, that is, when the IDLE UE is about to perform the V2X sidelink related communication procedure, the system message includes the related configuration of V2X but does not include the related information (such as a resource pool) of resources.
7. Three states of NR RRC
The UE in Idle state has no RRC context on the network side device, that is, the parameters necessary for communication between the network side device and the UE do not belong to a specific cell, and the network side device does not know whether the UE exists. The UE is assigned a unique identity in the Tracking Area (TA). From the core network point of view, the device is in cn_idle state. In order to reduce power consumption, the UE is in a dormant state most of the time, and thus cannot perform data transmission. In the downlink, a UE in Idle state may wake up periodically to receive paging messages from the network. Mobility (Mobility) may be handled by the UE for cell reselection. In Idle state, the UE and the network side device will not keep uplink synchronization, and if the UE is to be transferred from Idle state to Connected state, RRC context can be established between the UE and the network side device only through Random Access (Random Access).
In the RRC Connected state, an RRC context may be established and all parameters required for communication are known to both entities (UE and network side device). From the core network point of view, the UE is in cn_connected state. The cell to which the UE belongs is known and has been configured with a device identity, i.e. a cell radio network temporary identifier (C-RNTI), for transmission signalling purposes between the device and the network. The connected state may transmit data, but since the data stream of the packet is generally bursty, power consumption may be reduced by turning off the reception circuitry of the UE when no data stream is transmitted, employing discontinuous reception (Discontinuous Reception, DRX) techniques. Since the RRC context has been established in the gNB in the connected state, it is relatively fast to leave DRX and start receiving/transmitting data. In the connected state, mobility may be handled by the network side device, i.e. the UE provides neighbor cell measurements to the network, which instructs the device to perform a handover. Uplink time synchronization may or may not exist, and may be established and maintained by using random access when there is data to be transmitted. In LTE, only idle and connected states are supported. A common situation in practice is to use the idle state as the primary sleep state of the UE to save power. However, since there is often frequent transmission of small data packets in some smartphones, there are a large number of idle to connected transitions if in LTE. These transitions increase signaling load and signaling delay. Therefore, in order to reduce signaling load and latency, an INACTIVE state (rrc_inactive) state is introduced in the NR.
In the rrc_inactive state, the RRC context of the network side device and the UE side is maintained. From the core network point of view, the UE is in cn_connected state. The transition from the inactive state to the connected state is fast and no core network signaling is required. At the same time, the UE is allowed to sleep in an idle state like manner and mobility is handled through cell reselection. Thus, rrc_inactive may be considered as a mixture of idle and connected states.
The following describes in detail the access method provided in the embodiments of the present application through some embodiments and application scenarios thereof with reference to the accompanying drawings.
Currently, in LTE V2X, network side equipment can regulate and control resources of UE through configuration, and can control the UE to enter a connection state in practice, so as to facilitate the subsequent UE to request for transmission resources and other purposes. On the unlicensed band, the sidelink UE may not perform data transmission based on the resource pool configuration any more, and it is not clear (i.e. problem 1) what configuration the network side device controls when the UE in idle state or inactive state can enter the connected state. In addition, for the UE in idle state or inactive state, it is not clear how the network side device adjusts the residence condition of the UE on the unlicensed band (i.e. problem 2).
Aiming at the problem 1, the embodiment of the application provides an access method, wherein the UE can flexibly determine whether to enter a connection state according to target information, namely, the UE can judge whether to establish connection based on related information of an unlicensed frequency band, so that the state transition condition of the UE in an idle state or an inactive state is flexibly regulated and controlled.
Aiming at the problem 2, the embodiment of the application provides a residence method, wherein the UE can flexibly determine the frequency point to be resided in the cell selection or reselection process of the UE according to the target information, namely the UE can reside in the cell/frequency point based on the related information of the unlicensed frequency band, so that the residence condition of the UE in the cell selection or reselection process is flexibly regulated and controlled.
Example 1
An embodiment of the present application provides an access method, and fig. 2 shows a flowchart of an access method provided by an embodiment of the present application. As shown in fig. 2, the access method provided in the embodiment of the present application may include the following steps 201 and 202.
Optionally, in the embodiment of the present application, the target information may be configured by a network side device, preconfigured, predefined, agreed-upon by a protocol, or autonomously decided by a UE, etc.
Optionally, in the embodiment of the present application, the network side device may regulate and control the behavior of the UE in the idle state and the inactive state, and send the target information to the UE.
In an embodiment of the present application, the target information includes at least one of the following: related configuration information of unlicensed frequency bands, service requirement information of UE, LBT information and first indication information. The LBT information is used for indicating whether the UE generates continuous LBT failure or not; the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on an unlicensed frequency band.
In this embodiment of the present application, the UE may determine whether to trigger establishment of RRC connection according to the target information (i.e., related information of the unlicensed band) to determine whether the UE enters the connected state from the inactive state or the idle state.
It should be noted that, the related configuration information of the unlicensed band may be understood as: the network side equipment configures information related to an unlicensed frequency band for the UE so as to be used for the UE to determine whether to enter a connection state.
Note that the above sensing or resource selection is: if the base station starts a 5G air interface (NewRadio in Unlicensed Spectrum, NR-U) working in an unlicensed frequency band, the base station is indicated to support sensing or resource selection on an unlicensed frequency band, and at the moment, the UE can trigger to establish RRC connection and enter a connection state, or scheduling of a mode 1 has better performance; if the base station does not support sensing or resource selection, the scheduling of mode 1 is blind scheduling, the UE may not trigger establishment of RRC connection.
Alternatively, in the embodiment of the present application, the above step 202 may be specifically implemented by the following step 202 a.
In step 202a, when the configuration information of the network side device includes related configuration information of the sidelink and does not include transmission resource information of the sidelink, the UE determines whether to enter a connection state according to the target information.
In this embodiment of the present application, the transmission resource information of the sidelink is resource information for sidelink transmission, and the transmission resource information may include at least one of the following: a common resource pool and an abnormal resource pool.
In the embodiment of the present invention, when the configuration information related to the sidelink is included in the configuration of the network side device and no resource information for sidelink transmission is included, the UE may decide whether to trigger RRC connection establishment based on the configuration of the network side device and/or whether the sidelink transmission occurs in an unlicensed frequency band, or when the configuration information related to the sidelink is included in the configuration of the network side device and no resource information for sidelink transmission is included in the configuration of the network side device, the UE may also decide whether to trigger RRC connection establishment based on the transmission condition of the unlicensed frequency band, that is, the LBT success or failure condition of the UE itself, so that the network side device in sidelink transmission may flexibly regulate the state transition or residence condition of the UE in an idle state or an inactive state through the configuration, so that better cooperation and control between the network side device and the UE are realized on the unlicensed frequency band.
Optionally, in the embodiment of the present application, the UE may further determine, according to the target information, whether to trigger establishment of RRC connection to determine whether to enter a connected state if the network side device configuration does not include configuration information related to a sidelink; or, when the network side device configuration does not include the resource information (the common resource pool and/or the abnormal resource pool) for the sidelink transmission, the UE may determine whether to trigger to establish the RRC connection according to the target information, so as to determine whether to enter a connected state; or, when the UE does not include configuration information related to the sidelink or resource information (a common resource pool and/or an abnormal resource pool) for sidelink transmission in the configuration of the network side device, determining whether to trigger establishment of RRC connection according to the target information so as to determine whether to enter a connection state; alternatively, the UE may further include resource information (a common resource pool and/or an abnormal resource pool) for the sidelink transmission in the configuration of the network side device, but determine whether to trigger establishment of the RRC connection according to the target information to determine whether to enter the connected state when the sidelink related configuration information is not included.
Optionally, in a first implementation manner of the embodiment of the present application, the target information includes related configuration information of an unlicensed band, and the step 202 may be specifically implemented by the following steps 202b and 202 c.
Step 202b, the UE receives second indication information sent by the network side device.
In this embodiment of the present application, the second indication information includes related configuration information of an unlicensed band, where the second indication information is used to indicate whether or not to allow or need the UE to perform sidelink transmission in the unlicensed band.
Step 202c, the UE determines whether to trigger to establish RRC connection according to the second indication information.
In this embodiment of the present application, after acquiring relevant configuration information of an unlicensed band sent by a receiving network side device, the UE may determine whether to trigger establishment of RRC connection based on the relevant configuration information of the unlicensed band, so as to determine whether to enter a connected state.
For example, if the UE receives the 1bit indicated by the network side device, the UE triggers to establish the RRC connection when the value is 1, so as to enter a connected state, and does not trigger to establish the RRC connection when the value is 0; or when the value is 0, the RRC connection is triggered to be established so as to enter a connection state, and when the value is 1, the RRC connection is not triggered to be established.
In the embodiment of the application, on the unlicensed frequency band, the network side equipment in the side link transmission can flexibly regulate and control the state transition condition of the idle state or the inactive state UE through configuration, so that better cooperation and control between the network side equipment and the UE are realized on the unlicensed frequency band.
Optionally, in a second implementation manner of the embodiment of the present application, the target information includes service requirement information of the UE, and the step 202 may be specifically implemented by the following step 202 d.
In step 202d, if the first service meets the first condition, the UE triggers to establish an RRC connection, or the UE does not trigger to establish an RRC connection.
In this embodiment of the present application, the first service is a service currently transmitted or to be transmitted by the UE. The first condition is any one of the following: the UE supports transmission of the first service on the unlicensed band and the UE upper layer indicates that the first service is allowed or required to be transmitted on the unlicensed band.
Optionally, in the embodiment of the present application, when the UE currently transmits or the service to be transmitted supports transmission in an unlicensed band, or the upper layer indicates that transmission in the unlicensed band is possible/required, the UE does not trigger establishment of RRC connection.
Optionally, in the embodiment of the present application, when the UE currently transmits or the service to be transmitted supports transmission in an unlicensed band, or the upper layer indicates that transmission in the unlicensed band is possible/required, the UE triggers establishment of RRC connection.
Optionally, in a third implementation manner of the embodiment of the present application, the target information includes related configuration information of an unlicensed band and service requirement information of the UE, and the step 202 may be specifically implemented through a step 202e described below.
In step 202e, when the network side device indicates that the UE is allowed or required to perform sidelink transmission in the unlicensed band and the first service satisfies the first condition, the UE triggers to establish RRC connection, or the UE does not trigger to establish RRC connection.
In this embodiment of the present application, the first service is a service currently transmitted or to be transmitted by the UE.
In the embodiment of the application, the UE may decide whether to trigger establishment of the RRC connection based on the traffic situation of its own transmission.
Optionally, in the embodiment of the present application, the network side device indicates that the permission or the requirement of the sidelink transmission occurs in an unlicensed band, and the UE does not trigger to establish the RRC connection if the UE currently transmits or the service to be transmitted supports transmission in the unlicensed band or an upper layer indicates that the transmission can/needs to be performed in the unlicensed band.
Optionally, in the embodiment of the present application, the network side device indicates that the permission or the requirement of the sidelink transmission occurs in an unlicensed frequency band, and the UE triggers to establish the RRC connection if the UE currently transmits or the service to be transmitted supports transmission in the unlicensed frequency band or an upper layer indicates that the UE can/needs to transmit in the unlicensed frequency band.
Optionally, in a fourth implementation manner of the embodiment of the present application, the target information includes LBT information, and the step 202 may be specifically implemented by a step 202f or a step 202g described below.
Step 202f, in case of continuous LBT failure of the UE, the UE triggers to establish RRC connection.
In the embodiment of the application, the UE may decide whether to trigger establishment of the RRC connection based on the LBT success or failure condition of itself.
Optionally, in the embodiment of the present application, the UE may not trigger RRC connection establishment first, and if the UE fails to perform continuous LBT, the UE triggers RRC connection establishment.
Optionally, in the embodiment of the present application, the UE may trigger to establish the RRC connection when the LBT failure of the first threshold occurs, where the value of the first threshold may be configured or preconfigured by the network side device.
Step 202g, triggering the establishment of the RRC connection by the UE when the UE fails to perform LBT or the number of times of performing LBT failure is greater than a preset threshold before the preset time.
Optionally, in the embodiment of the present application, the UE does not trigger to establish RRC connection first, and if the UE fails LBT or the number of times of LBT failure is greater than or equal to a preset threshold before the timer expires, the UE triggers to establish RRC connection, where the preset time and the preset threshold may be configured or preconfigured by the network side device.
Optionally, in a fifth implementation manner of the embodiment of the present application, the target information includes first indication information, and the step 202 may be specifically implemented through the following steps 202h and 202 i.
Step 202h, the UE receives first indication information sent by the network device.
In this embodiment of the present application, the first indication information is used to indicate whether the network side device supports sensing or resource selection on an unlicensed frequency band.
Step 202i, the UE determines whether to trigger to establish RRC connection according to the first indication information.
In this embodiment of the present application, the UE may determine whether to trigger establishment of RRC connection according to additional indication information (i.e., first indication information) sent by the network side device, where the indication information may represent whether the network side device supports sensing or resource selection on an unlicensed frequency band (i.e., whether the network side device starts NR-U).
The embodiment of the application provides an access method, wherein the UE can flexibly determine whether to enter a connection state according to target information, namely, the UE can judge whether to establish connection based on related information of an unlicensed frequency band, so that the state transition condition of the UE in an idle state or an inactive state is flexibly regulated and controlled.
Example two
An embodiment of the present application provides a residence method, and fig. 3 shows a flowchart of the residence method provided by the embodiment of the present application. As shown in fig. 3, the access method provided in the embodiment of the present application may include the following steps 301 and 302.
Optionally, in the embodiment of the present application, the target information may be configured by a network side device, preconfigured, predefined, agreed-upon by a protocol, or autonomously decided by a UE, etc.
Optionally, in the embodiment of the present application, the network side device may regulate and control the behavior of the UE in the idle state and the inactive state, and send the target information to the UE.
In an embodiment of the present application, the target information includes at least one of the following: related configuration information of unlicensed frequency bands, service requirement information of UE, LBT information and first indication information. The LBT information is used for indicating whether the UE generates continuous LBT failure or not; the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on an unlicensed frequency band.
In this embodiment of the present application, the target information includes configuration information related to cell selection or reselection.
It should be noted that, for the target information, reference may be made to the description in the first embodiment, and the description is omitted here
Alternatively, in the embodiment of the present application, the above step 302 may be specifically implemented by the following steps 302a and 302 b.
Step 302a, the UE acquires first configuration information.
In this embodiment of the present application, the first configuration information is configuration information related to cell selection or reselection.
Step 302b, the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information.
Optionally, in the embodiment of the present application, the target information includes service requirement information, and the step 302b may be specifically implemented by the following step 302 c.
Step 302c, under the condition that the first service meets the first condition, the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information.
Wherein the first condition is any one of: the UE supports transmission of the first service on the unlicensed band and the network device indicates that the first service is allowed or required to be transmitted on the unlicensed band.
In this embodiment of the present application, the first service refers to a service that is currently transmitted or transmitted with UE.
Optionally, in the embodiment of the present application, the UE may determine a frequency point to be camped in a cell selection or reselection process based on a current transmission or a service condition to be transmitted.
Optionally, in the embodiment of the present application, if the UE currently transmits or the service to be transmitted supports transmission in an unlicensed band, or the upper layer indicates that transmission in the unlicensed band is possible/required, the UE may preferentially select the unlicensed band to camp.
The above-mentioned preference may be to directly select a certain frequency point, or may be to add an offset value to the priority of the certain frequency point and then compare the offset value with other frequency points, where the offset value may be configured or preconfigured by the base station.
Optionally, in the embodiment of the present application, if the UE currently transmits or the service to be transmitted supports transmission in an unlicensed band, or the upper layer indicates that transmission in the unlicensed band is possible/required, the UE preferentially selects to camp in the licensed band.
It should be noted that, the frequency point of the authorized frequency band is preferentially selected to reside in the unlicensed frequency band, so that if the frequency point resides in the unlicensed frequency band, the scenario that the UE and the base station rob resources from each other may occur. But does not exclude that the unlicensed band frequency point is preferentially selected, for example, if the cooperative behavior of the UE and the base station is defined when some sidelink and Uu port data are both transmitted in the unlicensed band, the unlicensed band frequency point is preferentially selected to reside, and the sidelink is transmitted in the unlicensed band.
Alternatively, in the embodiment of the present application, the target information includes LBT information, and the step 302b may be specifically implemented by the following step 302d or step 302 e.
In the embodiment of the application, the UE may determine the residing frequency point based on the success or failure condition of its LBT.
Step 302d, under the condition that the UE fails in continuous LBT, the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information.
Optionally, in the embodiment of the present application, if the UE fails to perform LBT of the third threshold, the licensed band frequency point is preferentially selected to perform residence or the unlicensed band frequency point is preferentially selected to perform residence, where the value of the third threshold may be configured or preconfigured by the network side device.
Step 302e, determining, by the UE, a frequency point to be camped in a cell selection or reselection process according to the first configuration information and the target information when the UE fails to perform LBT or the number of times of performing LBT failure is greater than a preset threshold before the preset time.
Optionally, in this embodiment of the present application, if the UE fails LBT or fails LBT for a number of times greater than or equal to a fourth threshold before a timeout period preset by a timer, the RRC connection is triggered to be established, where the timeout period of the timer and a value of the fourth threshold may be configured or preconfigured by the network side device.
Optionally, in this embodiment of the present application, the first configuration information includes first priority information, where the first priority information is used to indicate a priority of at least one frequency point, and the step 302b may be specifically implemented through the following steps 302f and 302 g.
Step 302f, the UE determines a target frequency point from at least one frequency point according to the first priority information and the target information.
In the embodiment of the present application, the UE acquires configuration information related to cell selection or reselection, where the configuration information includes priority information of all frequency points used for cell selection or reselection, and other various configuration information used for cell selection or reselection.
In this embodiment of the present application, each frequency point in the at least one frequency point corresponds to a priority, and the UE may determine the target frequency point from the plurality of frequency points according to the plurality of frequency points, and priority information and target information corresponding to the frequency point.
Optionally, in the embodiment of the present application, according to the first priority information and the target information, the UE may determine a frequency point with the highest priority in at least one frequency point as the target frequency point; or, the UE may add an offset value to any one of the at least one frequency point according to the first priority information and the target information, and then compare the frequency point to which the offset value is added with other frequency points to determine the target frequency point.
In the embodiment of the present invention, the UE may take preferential treatment for different frequency points in the cell selection or reselection process based on whether the service transmitted by the current sidelink is in an unlicensed frequency band, for example, the frequency point where the UE preferentially resides in the (unlicensed) frequency band, i.e., the network side device may be configured to flexibly regulate and control the residence condition of the UE in an idle state or an inactive state, so that better cooperation and control between the network side device and the UE are realized on the unlicensed frequency band.
Step 302g, the UE determines the target frequency point as the frequency point where the UE is to reside in the cell selection or reselection process.
Alternatively, in the embodiment of the present application, the above step 302f may be specifically implemented by the following step 302m or step 302n1 and step 302n 2.
In step 302m, if the priorities of at least one frequency point are the same, the UE determines, according to the target information, a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point as a target frequency point.
In the embodiment of the present application, under the condition that the priority of at least one frequency point is the same, the UE may directly determine, as the target frequency point, the frequency point belonging to the authorized frequency band or the unauthorized frequency band in the at least one frequency point according to the target information.
Alternatively, in the embodiment of the present application, the above step 302g may be specifically implemented by the following step 302g 1.
In step 302n1, if the priorities of at least one frequency point are the same or different, the UE increases a preset offset value for the priority of the first frequency point according to the target information.
In this embodiment of the present application, the first frequency point is a frequency point belonging to an authorized frequency band or an unauthorized frequency band in at least one frequency point.
Step 302n2, the UE determines second priority information, and determines the target frequency point according to the second priority information.
In this embodiment of the present application, the second priority information is used to indicate priorities of the first frequency point and other frequency points after the preset offset value is added.
It should be noted that, in the case that the UE determines the priority of a frequency point based on the current transmission or the service condition to be transmitted and/or the successful or failed LBT condition of the UE, because the initial priorities of the frequency points are different, only an offset value can be added to a certain frequency point in advance, and then the priority information of the frequency point after the offset value is added and other frequency points can be compared, so that a certain frequency point cannot be directly selected preferentially.
Optionally, in the embodiment of the present application, after determining the second priority information, the UE may select, as the target frequency point, a frequency point corresponding to a priority with the largest priority value in the second priority information; or, after determining the second priority information, the UE may select, as the target frequency point, a frequency point corresponding to the priority of the offset value information added to the second priority information.
Optionally, in the first case in the embodiment of the present application, if at least one frequency point has the same priority, if one frequency point (for example, frequency point 1) of the at least one frequency point belongs to an authorized frequency band and another frequency point (for example, frequency point 2) of the at least one frequency point belongs to an unauthorized frequency band, the UE may determine the target frequency point according to service requirement information or LBT information of the UE.
Specifically, the manner of determining the target frequency point by the UE according to the service requirement information of the UE may include the following manner one and manner two.
Mode one: under the condition that the first service meets the first condition, the UE may preferentially select a frequency point of the unlicensed frequency band (i.e., frequency point 2) to reside, that is, the target frequency point is a frequency point belonging to the unlicensed frequency band in the at least one frequency point. It should be noted that, the preferred selection herein refers to directly selecting the frequency point 2, or after adding an offset value to the priority of the frequency point 2, comparing with other frequency points to determine the target frequency point.
Mode two: under the condition that the first service meets the first condition, the UE may preferentially select a frequency point of the licensed band (i.e., frequency point 1) to reside, that is, the target frequency point is a frequency point belonging to the licensed band in the at least one frequency point. It should be noted that, the preferred selection herein refers to directly selecting the frequency point 1, or after adding an offset value to the priority of the frequency point 1, comparing with other frequency points to determine the target frequency point.
The manner of determining the target frequency point by the UE according to the LBT information may include the following manner three and manner four.
Optionally, in the second case in the embodiment of the present application, if, in a case where the priorities of at least one frequency point are different, one frequency point (for example, frequency point 1) of the at least one frequency point belongs to an authorized frequency band, and another frequency point (for example, frequency point 2) of the at least one frequency point belongs to an unauthorized frequency band, the UE may determine that the target frequency point resides by adopting a scheme of adding an offset value in any of the above-mentioned modes (i.e., any of the above-mentioned modes one to four).
The embodiment of the application provides a residence method, wherein the UE can flexibly determine the frequency point to be resided in the cell selection or reselection process of the UE according to the target information, namely, the UE can reside in the cell/frequency point based on the related information of the unlicensed frequency band, so that the residence condition of the UE in the cell selection or reselection process is flexibly regulated and controlled.
It should be noted that, in the access method provided in the embodiment of the present application, the execution body may be UE, or a control module in the UE for executing the access method. In the embodiment of the present application, a method for UE to perform access is taken as an example, and the access method provided in the embodiment of the present application is described.
Fig. 4 shows a schematic diagram of one possible architecture of an access device involved in an embodiment of the present application. As shown in fig. 4, the access device 40 may include: an acquisition module 41 and a determination module 42.
Wherein, the obtaining module 41 is configured to obtain the target information. The determining module 42 is configured to determine whether to enter the connection state according to the target information acquired by the acquiring module. Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of User Equipment (UE), listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE, and the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on the unlicensed frequency band.
The embodiment of the application provides an access device, wherein UE can flexibly determine whether to enter a connection state according to target information. Therefore, on the unlicensed frequency band, the network side equipment in the side link transmission can flexibly regulate and control the state transition or residence condition of the idle state or inactive state UE, so that better cooperation and control between the network side equipment and the UE are realized on the unlicensed frequency band.
In one possible implementation manner, the determining module 42 is specifically configured to determine whether to enter the connected state according to the target information when the configuration information of the network side device includes the related configuration information of the sidelink and does not include the transmission resource information of the sidelink.
In one possible implementation, the target information includes information about the configuration of the unlicensed band. The determining module 42 is specifically configured to receive second indication information sent by the network side device, where the second indication information includes related configuration information of an unlicensed frequency band, and the second indication information is used to indicate whether or not to allow or need the UE to perform sidelink transmission in the unlicensed frequency band; and determining whether to trigger establishment of the Radio Resource Control (RRC) connection according to the second indication information.
In one possible implementation, the target information includes traffic demand information of the UE. The determining module 42 is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when the first service meets a first condition, where the first service is a service currently transmitted or to be transmitted by the UE; wherein the first condition is any one of: the UE supports transmission of the first service on the unlicensed band and the UE upper layer indicates that the first service is allowed or required to be transmitted on the unlicensed band.
In one possible implementation manner, the target information includes related configuration information of an unlicensed frequency band and service requirement information of the UE; the determining module 42 is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when the network side device indicates that the UE is allowed or required to perform the sidelink transmission in the unlicensed frequency band and the first service meets a first condition, where the first service is a service currently transmitted or to be transmitted by the UE.
In one possible implementation, the target information includes LBT information. The determining module is specifically configured to trigger establishment of RRC connection in case of continuous LBT failure of the UE; or triggering to establish the RRC connection when the LBT is performed or the number of times of LBT performance is greater than a preset threshold before the preset time.
The UE provided in the embodiment of the present application can implement each process implemented in the first embodiment of the method and achieve the same technical effects, and in order to avoid repetition, a description is omitted here.
The access device in the embodiments of the present application may be a device, a device with an operating system, or a UE, or may be a component, an integrated circuit, or a chip in the UE. The apparatus or electronic device may be a mobile terminal or a non-mobile terminal. By way of example, mobile terminals may include, but are not limited to, the types of terminals 11 listed above, and non-mobile terminals may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computer, PCs), televisions (TVs), teller machines, self-service machines, etc., and embodiments of the present application are not limited in detail.
It should be noted that, in the parking method provided in the embodiment of the present application, the execution body may be a UE, or a control module in the UE for executing the parking method. In the embodiment of the present application, a method for UE to execute residence is taken as an example, and the residence method provided in the embodiment of the present application is described.
Example III
An embodiment of the present application provides a communication method, including:
The User Equipment (UE) executes target operation according to the target information;
the target operation includes determining whether the UE enters a connected state, and/or determining a frequency point where the UE is to reside in a cell selection or reselection process, where the target information includes at least one of the following: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
It should be noted that, when the target operation includes only determining whether the UE enters the connected state, the third embodiment is similar to the first embodiment, when the target operation includes only determining a frequency point where the UE is to reside in the cell selection or reselection process, the third embodiment is similar to the second embodiment, when the target operation includes determining whether the UE enters the connected state, and determining a frequency point where the UE is to reside in the cell selection or reselection process, the third embodiment may be understood as a combination of the first embodiment and the second embodiment, and the same technical effects can be achieved, so that repetition is avoided and further description is omitted.
Fig. 5 shows a schematic diagram of one possible configuration of a residence device involved in an embodiment of the present application. As shown in fig. 5, the residence device 50 may include: an acquisition module 51 and a determination module 52.
The acquiring module 51 is configured to acquire target information. The determining module 52 is configured to determine, according to the target information, a frequency point where the UE is to reside in a cell selection or reselection process. Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether the UE has continuous LBT failure or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
The embodiment of the application provides a residence device, wherein the UE can flexibly determine the frequency point to be resided in the cell selection or reselection process of the UE according to target information, namely, the UE can reside in the cell/frequency point based on related information of an unlicensed frequency band, so that flexible regulation and control of residence conditions in the cell selection or reselection process of the UE are realized.
In a possible implementation manner, the determining module 52 is specifically configured to obtain first configuration information, where the first configuration information is configuration information related to cell selection or reselection; and determining the frequency point to be resided in the cell selection or reselection process of the UE according to the first configuration information and the target information.
In one possible implementation, the target information includes service requirement information. The determining module 52 is specifically configured to determine, according to the first configuration information and the target information, a frequency point where the UE is to reside in a cell selection or reselection process when the first service meets a first condition; wherein the first condition is any one of: the UE supports transmission of the first service on the unlicensed band and the network device indicates that the first service is allowed or required to be transmitted on the unlicensed band.
In one possible implementation, the target information includes LBT information; the determining module 52 is specifically configured to determine, according to the first configuration information and the target information, a frequency point where the UE is to reside in a cell selection or reselection process when the UE fails in a continuous LBT; or determining the frequency point to be resided in the cell selection or reselection process of the UE according to the first configuration information and the target information under the condition that the LBT is performed before the preset time or the number of times of performing the LBT is larger than a preset threshold value.
In one possible implementation manner, the first configuration information includes first priority information, where the first priority information is used to indicate a priority of at least one frequency point. The determining module 52 is specifically configured to determine a target frequency point from at least one frequency point according to the first priority information and the target information; and determining the target frequency point as the frequency point to be resided in the cell selection or reselection process of the UE.
In a possible implementation manner, the determining module 52 is specifically configured to determine, as the target frequency point, a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point according to the target information when the priorities of the at least one frequency point are the same.
In a possible implementation manner, the determining module 52 is specifically configured to increase, according to the target information, a preset offset value for the priority of a first frequency point, where the first frequency point is a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point, where the priority of the at least one frequency point is the same or different; determining second priority information, and determining a target frequency point according to the second priority information, wherein the second priority information is used for indicating the priorities of the first frequency point and other frequency points after the preset offset value is increased.
The UE provided in the embodiment of the present application can implement each process implemented in the second embodiment of the method and achieve the same technical effects, and in order to avoid repetition, a description is omitted here.
The resident device in the embodiment of the present application may be a device, a device with an operating system or a UE, and may also be a component, an integrated circuit, or a chip in the UE. The apparatus or electronic device may be a mobile terminal or a non-mobile terminal. By way of example, mobile terminals may include, but are not limited to, the types of terminals 11 listed above, and non-mobile terminals may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computer, PCs), televisions (TVs), teller machines, self-service machines, etc., and embodiments of the present application are not limited in detail.
Optionally, as shown in fig. 6, the embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, and a program or an instruction stored in the memory 602 and capable of running on the processor 601, where, for example, the communication device 600 is a UE, the program or the instruction is executed by the processor 601 to implement each process of the foregoing access method embodiment, and achieve the same technical effects.
The embodiment of the application also provides the UE, which comprises a processor and a communication interface, wherein the processor is used for acquiring the target information and determining whether to enter a connection state according to the target information. Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of User Equipment (UE), listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE, and the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on the unlicensed frequency band. The UE embodiment corresponds to the UE-side method embodiment, and each implementation process and implementation manner of the method embodiment are applicable to the terminal embodiment, and the same technical effects can be achieved. Specifically, fig. 7 is a schematic hardware structure of a UE implementing an embodiment of the present application.
The UE100 includes, but is not limited to: at least some of the components of the radio frequency unit 101, the network module 102, the audio output unit 103, the input unit 104, the sensor 105, the display unit 106, the user input unit 107, the interface unit 108, the memory 109, and the processor 110.
Those skilled in the art will appreciate that the terminal 100 may further include a power source (e.g., a battery) for powering the various components, and the power source may be logically coupled to the processor 110 by a power management system to perform functions such as managing charging, discharging, and power consumption by the power management system. The terminal structure shown in fig. 7 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.
It should be appreciated that in embodiments of the present application, the input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 107 includes a touch panel 1071 and other input devices 1072. The touch panel 1071 is also referred to as a touch screen. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
In this embodiment, after receiving downlink data from a network side device, the radio frequency unit 101 processes the downlink data with the processor 110; in addition, the uplink data is sent to the network side equipment. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
Processor 110 may include one or more processing units; alternatively, the processor 110 may integrate an application processor that primarily processes operating systems, user interfaces, and applications or instructions, etc., with a modem processor that primarily processes wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
In the case where the UE 100 is the UE described in embodiment one,
the processor 110 is configured to obtain the target information and the target information, and determine whether to enter a connection state. Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of User Equipment (UE), listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE, and the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on the unlicensed frequency band.
The embodiment of the application provides the UE, which can flexibly determine whether to enter a connection state according to the target information, namely, the UE can judge whether to establish connection based on the related information of the unlicensed frequency band, so that the state transition condition of the UE in an idle state or a non-activated state is flexibly regulated and controlled.
Optionally, in the embodiment of the present application, the processor 110 is specifically configured to determine, according to the target information, whether to enter the connection state when the configuration information of the network side device includes relevant configuration information of the sidelink and does not include transmission resource information of the sidelink.
Optionally, in an embodiment of the present application, the target information includes related configuration information of an unlicensed band. The processor 110 is specifically configured to receive second indication information sent by the network side device, where the second indication information includes related configuration information of an unlicensed band, and the second indication information is used to indicate whether or not to allow or need the UE to perform sidelink transmission in the unlicensed band; and determining whether to trigger establishment of the Radio Resource Control (RRC) connection according to the second indication information.
Optionally, in the embodiment of the present application, the target information includes service requirement information of the UE. The processor 110 is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when the first service meets a first condition, where the first service is a service currently transmitted or to be transmitted by the UE; wherein the first condition is any one of: the UE supports transmission of the first service on the unlicensed band and the UE upper layer indicates that the first service is allowed or required to be transmitted on the unlicensed band.
Optionally, in the embodiment of the present application, the target information includes related configuration information of an unlicensed frequency band and service requirement information of the UE; the processor 110 is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when the network side device indicates that the UE is allowed or required to perform sidelink transmission in an unlicensed frequency band and the first service satisfies a first condition, where the first service is a service currently transmitted or to be transmitted by the UE.
Optionally, in an embodiment of the present application, the target information includes LBT information. The processor 110 is specifically configured to trigger establishment of an RRC connection in case of continuous LBT failure of the UE; or triggering to establish the RRC connection when the LBT is performed or the number of times of LBT performance is greater than a preset threshold before the preset time.
In the case where the UE 100 is the UE described in embodiment two,
the processor 110 is configured to obtain the target information and determine, according to the target information, a frequency point where the UE is to reside in a cell selection or reselection process. Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether the UE has continuous LBT failure or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
The embodiment of the application provides the UE, which can flexibly determine the frequency point to be resided in the cell selection or reselection process of the UE according to the target information, namely, the UE can reside in the cell/frequency point based on the related information of the unlicensed frequency band, so that the flexible regulation and control of the residence condition in the cell selection or reselection process of the UE is realized.
Optionally, in the embodiment of the present application, the processor 110 is specifically configured to obtain first configuration information, where the first configuration information is configuration information related to cell selection or reselection; and determining the frequency point to be resided in the cell selection or reselection process of the UE according to the first configuration information and the target information.
Optionally, in an embodiment of the present application, the target information includes service requirement information. The processor 110 is specifically configured to determine, according to the first configuration information and the target information, a frequency point to be resided in the cell selection or reselection process of the UE when the first service meets a first condition; wherein the first condition is any one of: the UE supports transmission of the first service on the unlicensed band and the network device indicates that the first service is allowed or required to be transmitted on the unlicensed band.
Optionally, in an embodiment of the present application, the target information includes LBT information; the processor 110 is specifically configured to determine, according to the first configuration information and the target information, a frequency point where the UE is to reside in a cell selection or reselection process when the UE fails in a continuous LBT; or determining the frequency point to be resided in the cell selection or reselection process of the UE according to the first configuration information and the target information under the condition that the LBT is performed before the preset time or the number of times of performing the LBT is larger than a preset threshold value.
Optionally, in this embodiment of the present application, the first configuration information includes first priority information, where the first priority information is used to indicate a priority of at least one frequency point. The processor 110 is specifically configured to determine a target frequency point from at least one frequency point according to the first priority information and the target information; and determining the target frequency point as the frequency point to be resided in the cell selection or reselection process of the UE.
Optionally, in the embodiment of the present application, the processor 110 is specifically configured to determine, as the target frequency point, a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point according to the target information when the priority of the at least one frequency point is the same.
Optionally, in the embodiment of the present application, the processor 110 is specifically configured to increase, according to the target information, a preset offset value for the priority of a first frequency point, where the first frequency point is a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point, where priorities of the at least one frequency point are the same or different; determining second priority information, and determining a target frequency point according to the second priority information, wherein the second priority information is used for indicating the priorities of the first frequency point and other frequency points after the preset offset value is increased.
In the case where the UE 100 is the UE described in the third embodiment, the foregoing access method and/or each process of the foregoing residence method embodiment may be implemented, and the same technical effects may be achieved, which is not repeated herein.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the processes of the foregoing access method embodiment are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the processes of the foregoing residence method embodiment are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used for running a program or an instruction, implementing each process of the above access method embodiment, and achieving the same technical effect, so as to avoid repetition, and no redundant description is provided herein.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the above-mentioned residence method embodiment, and achieve the same technical effect, so as to avoid repetition, and not be repeated here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
The embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to implement the respective processes of the above access method or the above residence method embodiment, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.
It should be noted that, in the embodiments of the present application, each process of the foregoing access method or the foregoing residence method embodiment may be implemented separately, or each process of the foregoing access method and/or the foregoing residence method embodiment may be implemented together by any combination of each embodiment, which is not limited in this application.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (28)
1. An access method, comprising:
the User Equipment (UE) determines whether to enter a connection state according to the target information;
wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
2. The method of claim 1, wherein the UE determining whether to enter a connected state according to the target information comprises:
and under the condition that the configuration information of the network side equipment comprises the related configuration information of the side link and does not comprise the transmission resource information of the side link, the UE determines whether to enter a connection state according to the target information.
3. The method according to claim 1 or 2, wherein the target information comprises relevant configuration information of the unlicensed band;
the UE determines whether to enter a connection state according to the target information, and comprises the following steps:
the UE receives second indication information sent by network side equipment, wherein the second indication information comprises relevant configuration information of the unlicensed frequency band, and the second indication information is used for indicating whether the UE is allowed or required to perform side link transmission in the unlicensed frequency band;
And the UE determines whether to trigger the establishment of the Radio Resource Control (RRC) connection according to the second indication information.
4. The method according to claim 1 or 2, wherein the target information comprises traffic demand information of the UE;
the UE determines whether to enter a connection state according to the target information, and comprises the following steps:
under the condition that a first service meets a first condition, triggering and establishing RRC connection by the UE, or not triggering and establishing RRC connection by the UE, wherein the first service is the service currently transmitted or to be transmitted by the UE;
wherein the first condition is any one of: the UE supports the first service to be transmitted on an unlicensed frequency band, and the upper layer of the UE indicates that the first service is allowed or required to be transmitted on the unlicensed frequency band.
5. The method according to claim 1 or 2, wherein the target information comprises related configuration information of the unlicensed band and service requirement information of the UE;
the UE determines whether to enter a connection state according to the target information, and comprises the following steps:
and under the condition that the network side equipment indicates that the UE is allowed or required to perform side link transmission in the unlicensed frequency band and a first service meets a first condition, the UE triggers to establish RRC connection or the UE does not trigger to establish RRC connection, wherein the first service is the service currently transmitted or to be transmitted by the UE.
6. The method according to claim 1 or 2, wherein the target information comprises the LBT information;
the UE determines whether to enter a connection state according to the target information, and comprises the following steps:
triggering the establishment of RRC connection by the UE under the condition that the UE fails in continuous LBT;
or,
and triggering the establishment of the RRC connection by the UE under the condition that the LBT is executed by the UE before the preset time or the number of times of the LBT execution is larger than a preset threshold value.
7. A method of residence, comprising:
the UE determines a frequency point to be resided in a cell selection or reselection process of the UE according to target information;
wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
8. The method of claim 7, wherein the determining, by the UE according to the target information, a frequency point where the UE is to camp in a cell selection or reselection process, comprises:
The UE acquires first configuration information, wherein the first configuration information is configuration information related to cell selection or reselection;
and the UE determines a frequency point to be resided in a cell selection or reselection process of the UE according to the first configuration information and the target information.
9. The method of claim 8, wherein the target information comprises the business need information;
the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information, and the method comprises the following steps:
under the condition that a first service meets a first condition, the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information;
wherein the first condition is any one of: the UE supports the transmission of the first service on an unlicensed frequency band, and the network equipment indicates that the transmission of the first service on the unlicensed frequency band is allowed or required.
10. The method of claim 8, wherein the target information comprises the LBT information;
the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information, and the method comprises the following steps:
Under the condition that the UE fails in continuous LBT, the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information;
or,
and determining a frequency point to be resided in a cell selection or reselection process of the UE according to the first configuration information and the target information when the LBT execution of the UE fails or the number of times of LBT execution fails is larger than a preset threshold before the preset time.
11. The method according to any one of claims 8 to 10, wherein the first configuration information includes first priority information, and the first priority information is used to indicate a priority of the at least one frequency point;
the UE determines a frequency point to be resided in a cell selection or reselection process according to the first configuration information and the target information, and the method comprises the following steps:
the UE determines a target frequency point from the at least one frequency point according to the first priority information and the target information;
and the UE determines the target frequency point as the frequency point to be resided in the cell selection or reselection process of the UE.
12. The method of claim 11, wherein the UE determining a target frequency point from the at least one frequency point based on the first priority information and the target information comprises:
And under the condition that the priorities of the at least one frequency point are the same, the UE determines the frequency point belonging to the authorized frequency band or the unauthorized frequency band in the at least one frequency point as the target frequency point according to the target information.
13. The method of claim 11, wherein the UE determining a target frequency point from the at least one frequency point based on the first priority information and the target information comprises:
under the condition that the priorities of the at least one frequency point are the same or different, the UE increases a preset offset value for the priority of a first frequency point according to the target information, wherein the first frequency point is a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point;
the UE determines second priority information, and determines the target frequency point according to the second priority information, wherein the second priority information is used for indicating the priorities of the first frequency point and other frequency points after the preset offset value is increased.
14. An access device, the access device comprising: an acquisition module and a determination module;
the acquisition module is used for acquiring target information;
the determining module is used for determining whether to enter a connection state according to the target information acquired by the acquiring module;
Wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of User Equipment (UE), listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE, and the first indication information is used for indicating whether the network side equipment supports sensing or resource selection on the unlicensed frequency band.
15. The apparatus of claim 14, wherein the device comprises a plurality of sensors,
the determining module is specifically configured to determine whether to enter a connection state according to the target information when the configuration information of the network side device includes relevant configuration information of the side link and does not include transmission resource information of the side link.
16. The apparatus according to claim 14 or 15, wherein the target information comprises relevant configuration information of the unlicensed band;
the determining module is specifically configured to receive second indication information sent by the network side device, where the second indication information includes relevant configuration information of the unlicensed frequency band, and the second indication information is used to indicate whether the UE is allowed or required to perform sidelink transmission in the unlicensed frequency band; and determining whether to trigger establishment of the Radio Resource Control (RRC) connection according to the second indication information.
17. The apparatus according to claim 14 or 15, wherein the target information comprises traffic demand information of the UE;
the determining module is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when a first service meets a first condition, where the first service is a service currently transmitted or to be transmitted by the UE;
wherein the first condition is any one of: the UE supports the first service to be transmitted on an unlicensed frequency band, and the upper layer of the UE indicates that the first service is allowed or required to be transmitted on the unlicensed frequency band.
18. The apparatus according to claim 14 or 15, wherein the target information comprises information about configuration of the unlicensed band and information about service requirements of the UE; the determining module is specifically configured to trigger to establish an RRC connection or not trigger to establish an RRC connection when the network side device indicates that the UE is allowed or required to perform side link transmission in the unlicensed frequency band and a first service meets a first condition, where the first service is a service currently transmitted or to be transmitted by the UE.
19. The apparatus according to claim 14 or 15, wherein the target information comprises the LBT information;
The determining module is specifically configured to trigger establishment of RRC connection in case of continuous LBT failure of the UE; or triggering to establish the RRC connection when the LBT is performed or the number of times of LBT performing failures is larger than a preset threshold before the preset time.
20. A residence device, the access device comprising: an acquisition module and a determination module;
the acquisition module is used for acquiring target information;
the determining module is used for determining a frequency point to be resided in a cell selection or reselection process of the User Equipment (UE) according to the target information;
wherein the target information includes at least one of: related configuration information of an unlicensed frequency band, service requirement information of the UE, listen Before Talk (LBT) information and first indication information, wherein the LBT information is used for indicating whether continuous LBT failure occurs to the UE or not, and the first indication information is used for indicating whether network side equipment supports sensing or resource selection on the unlicensed frequency band or not.
21. The apparatus of claim 20, wherein the device comprises a plurality of sensors,
the determining module is specifically configured to obtain first configuration information, where the first configuration information is configuration information related to cell selection or reselection; and determining a frequency point to be resided in the cell selection or reselection process of the UE according to the first configuration information and the target information.
22. The apparatus of claim 21, wherein the target information comprises the business need information;
the determining module is specifically configured to determine, according to the first configuration information and the target information, a frequency point to be resided in the cell selection or reselection process of the UE when the first service meets a first condition;
wherein the first condition is any one of: the UE supports the transmission of the first service on an unlicensed frequency band, and the network equipment indicates that the transmission of the first service on the unlicensed frequency band is allowed or required.
23. The apparatus of claim 21, wherein the target information comprises the LBT information;
the determining module is specifically configured to determine, according to the first configuration information and the target information, a frequency point to be resided in a cell selection or reselection process of the UE when the UE fails in continuous LBT; or determining a frequency point to be resided in a cell selection or reselection process of the UE according to the first configuration information and the target information under the condition that the LBT execution fails or the number of times of LBT execution fails before the preset time of the UE is larger than a preset threshold value.
24. The apparatus according to any one of claims 21 to 23, wherein the first configuration information includes first priority information, the first priority information being used to indicate a priority of the at least one frequency point;
the determining module is specifically configured to determine a target frequency point from the at least one frequency point according to the first priority information and the target information; and determining the target frequency point as the frequency point to be resided in the cell selection or reselection process of the UE.
25. The apparatus of claim 24, wherein the determining module is specifically configured to determine, as the target frequency point, a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point according to the target information when priorities of the at least one frequency point are the same.
26. The apparatus of claim 24, wherein the determining module is specifically configured to increase, according to the target information, a preset offset value for a priority of a first frequency point, where the first frequency point is a frequency point belonging to an authorized frequency band or an unauthorized frequency band in the at least one frequency point, where priorities of the at least one frequency point are the same or different; determining second priority information, and determining the target frequency point according to the second priority information, wherein the second priority information is used for indicating the priorities of the first frequency point and other frequency points after the preset offset value is increased.
27. A user equipment UE comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the access method according to any of claims 1 to 7 or the steps of the residence method according to any of claims 8 to 13.
28. A readable storage medium, characterized in that it stores thereon a program or instructions, which when executed by a processor, implements the steps of the access method according to any of claims 1 to 7 or the steps of the residence method according to any of claims 8 to 13.
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CN202111256473.4A CN116033498A (en) | 2021-10-27 | 2021-10-27 | Access method, residence method, device, user equipment and storage medium |
PCT/CN2022/127709 WO2023072149A1 (en) | 2021-10-27 | 2022-10-26 | Access method and apparatus, camping method and apparatus, and user equipment and storage medium |
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CN111181667A (en) * | 2018-11-13 | 2020-05-19 | 普天信息技术有限公司 | Processing method for cell selection based on NR-U |
CN111436092B (en) * | 2019-01-11 | 2023-05-09 | 中国移动通信有限公司研究院 | Method, terminal and network equipment for selecting resident cell in unlicensed frequency band |
KR20200129565A (en) * | 2019-05-09 | 2020-11-18 | 삼성전자주식회사 | A method and an apparatus for performing a cell reselection operation in unlicensed band mobile communication systems |
CN112889316B (en) * | 2019-05-20 | 2022-10-21 | Oppo广东移动通信有限公司 | Cell reselection method and device, and terminal |
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