CN117641578A

CN117641578A - Communication method and related equipment

Info

Publication number: CN117641578A
Application number: CN202410106917.3A
Authority: CN
Inventors: 单宝堃
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2024-01-25
Filing date: 2024-01-25
Publication date: 2024-03-01
Anticipated expiration: 2044-01-25
Also published as: CN117641578B

Abstract

The application provides a communication method and related equipment, comprising the following steps: the first base station distributes a terminal identifier for the terminal, wherein the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of an I-RNTI of the terminal; the first base station sends a terminal identification to the terminal; when paging a terminal in an inactive state, the first base station generates WUS based on a terminal identifier, wherein the WUS carries the terminal identifier; the first base station transmits WUS to the terminal.

Description

Communication method and related equipment

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a communications method and related devices.

Background

When paging a terminal in an inactive state (inactive), paging messages sent by the core network to the base station and paging messages sent by the base station to the terminal typically include an initial random access radio network temporary identifier (initial random access radio network temporary identifier, I-RNTI) that is used to identify the terminal. The length of the I-RNTI is typically 24 bits.

In the case of directly waking up an inactive state terminal using a low power consumption Wake Up Signal (WUS), WUS needs to carry a terminal identity. If WUS is used to carry an existing terminal identity, for example, a 24-bit I-RNTI, the amount of information of the terminal identity may exceed the maximum amount of information that WUS can carry, resulting in implementation difficulties.

Disclosure of Invention

The application provides a communication method and related equipment, which realize the allocation of the identifier special for WUS paging, and because a new terminal identifier with a shorter length compared with an I-RNTI is used in the scene of using the WUS to wake up a terminal to access a network, the information quantity of the WUS is reduced, and the difficulty of using the WUS to wake up the terminal directly is further reduced. The technical proposal is as follows.

A first aspect of the present application provides a communication method, the method comprising: the first base station distributes a terminal identifier for the terminal, wherein the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of an I-RNTI of the terminal; the first base station sends a terminal identification to the terminal; when paging a terminal in an inactive state, the first base station generates WUS based on a terminal identifier, wherein the WUS carries the terminal identifier; the first base station transmits WUS to the terminal.

The terminal identity is also called WUS identity or paging identity. In the method, the base station distributes the terminal identifier special for WUS paging for the terminal in the inactive state, and the length of the terminal identifier special for WUS paging is shorter than that of the conventional I-RNTI, so that the information quantity of the terminal identifier is reduced, the expenditure of the terminal identifier is reduced, the resources occupied by the receiving and transmitting terminal identifier when the terminal is directly awakened by the WUS are further reduced, the information quantity of the WUS needing to carry the terminal identifier is further reduced, and the realization difficulty of directly awakening the terminal by the WUS is further reduced.

In some embodiments, the first base station sends a terminal identification to the terminal, including: the first base station generates a radio resource control (radio resource control, RRC) release message based on the terminal identification, the RRC release message carrying the terminal identification; the first base station transmits an RRC release message to the terminal. The terminal identification is carried by the RRC release message, so that the terminal can be released to the inactive state, and the terminal identification special for WUS paging is transmitted to the terminal, which is equivalent to the two tasks of releasing the terminal to the inactive state and transmitting the terminal identification special for WUS paging, which can be executed simultaneously, so that the efficiency is higher.

In some embodiments, the first base station is an anchor base station, the method further comprising: when paging a terminal in an inactive state, the first base station sends a paging message to the second base station, wherein the second base station is other base stations adjacent to the first base station, and the paging message carries a terminal identifier. The first base station sends the same new terminal identification to the terminal and the second base station respectively, so that the new terminal identifications obtained by the terminal and the second base station are consistent. Then, when the terminal is moving within the coverage of the second base station, the terminal can still receive WUS from the second base station based on the new terminal identification received in advance from the first base station, thereby being successfully awakened by the second base station.

In some embodiments, the first base station transmitting the paging message to the second base station comprises: the first base station sends an Xn signaling to the second base station, the Xn signaling carrying paging messages. Wherein Xn signaling is control signaling for communication between different base stations. Xn can also be understood as a communication interface between different base stations. The existing Xn signaling is multiplexed by using the Xn signaling to bear paging information and then bear terminal identification special for WUS paging, so that the implementation complexity is low.

In some embodiments, the first base station allocates a terminal identifier to the terminal, including: the first base station intercepts at least one bit from the rightmost side of the I-RNTI of the terminal to obtain the terminal identification. In consideration of the data structure of the I-RNTI, the information on the left side is more common and the information on the right side is more unique, so that the terminal identification for WUS paging is intercepted from the rightmost side of the I-RNTI of the terminal, the terminal identification is not easy to repeat, and the distinguishing and identifying effects are good.

In some embodiments, before the first base station allocates the terminal identifier to the terminal, the method further includes:

the first base station receives a capability identification from the terminal, the capability identification indicating that the terminal supports paging the terminal based on the wake-up signal WUS.

The terminal reports the receiving capability supporting the WUS paging to the base station through sending the capability identification, so that the base station knows that the terminal can receive the WUS comprising the new terminal identification, therefore, the base station can only allocate the new terminal identification for the terminal supporting the WUS without allocating the new terminal identification for the terminal not supporting the WUS, and the cost for allocating the terminal identification is saved.

A second aspect of the present application provides a communication method, the method comprising: the second base station receives paging information from the first base station, wherein the second base station is other base stations adjacent to the first base station, the paging information carries a terminal identifier, and the terminal identifier is used for paging the terminal based on a wake-up signal WUS; the second base station generates WUS based on the terminal identification, and the WUS carries the terminal identification; the second base station transmits WUS to the terminal.

Considering that the terminal may move from the anchor base station of the original release terminal to the coverage of other base stations, the paging message from the anchor base station is received, and the terminal is paged by using the terminal identifier carried in the paging message, so that the terminal can be paged based on WUS under the scene of moving the terminal.

In some embodiments, the length of the terminal identity is less than the length of the I-RNTI of the terminal.

A third aspect of the present application provides a communication method, the method comprising: the terminal receives a terminal identifier from a first base station, wherein the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of an I-RNTI of the terminal; the terminal receives WUS from a first base station, wherein the WUS carries a terminal identifier; the terminal sends a paging response to the first base station, wherein the paging response carries a terminal identifier.

In some embodiments, the terminal receives a terminal identification from a first base station, comprising:

the terminal receives an RRC release message from the first base station, the RRC release message carrying the terminal identification.

In some embodiments, the terminal sends a paging response to the base station, including:

and the terminal sends message 3 to the base station, wherein the message 3 comprises a terminal identification.

A fourth aspect of the present application provides a communication method, the method comprising: the first base station generates an interception instruction, the interception instruction is used for indicating an I-RNTI of an interception terminal to obtain a terminal identifier, the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

when the first base station releases the terminal to an inactive state, the first base station sends an interception instruction to the terminal;

When paging a terminal in an inactive state, the first base station generates a WUS based on the terminal identifier, wherein the WUS carries the terminal identifier.

In some implementations, the interception indication includes an interception rule including at least one of an interception location or/and an amount of intercepted bits.

In some implementations, the interception rule includes intercepting k bits from the rightmost side of the I-RNTI as the terminal identity, k being greater than 1.

In some embodiments, the first base station sends an intercept indication to the terminal, comprising:

when the first base station releases the terminal to the inactive state, the first base station sends an interception instruction to the terminal.

the first base station generates an RRC release message carrying an interception instruction;

the first base station transmits an RRC release message to the terminal.

In some embodiments, the first base station is an anchor base station, the method further comprising:

when paging a terminal in an inactive state, the first base station sends a paging message to the second base station, wherein the second base station is other base stations adjacent to the first base station, and the paging message carries an interception instruction.

A fifth aspect of the present application provides a communication method, the method comprising: the second base station receives paging messages from the first base station, wherein the second base station is other base stations adjacent to the first base station, the paging messages comprise terminal identifiers, and the terminal identifiers are used for paging terminals based on wake-up signals WUS;

Based on the interception instruction, the second base station intercepts a terminal identifier from the I-RNTI of the terminal, wherein the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

the second base station generates WUS based on the terminal identification, and the WUS carries the terminal identification;

the second base station transmits WUS to the terminal.

In some embodiments, the interception indication includes an interception rule including at least one of an interception location and/or an intercepted number of bits, and the second base station intercepts the terminal identity from the I-RNTI of the terminal based on the interception indication, including:

the second base station intercepts bits corresponding to the number of bits from the interception position in the I-RNTI of the terminal to obtain the terminal identification.

A sixth aspect of the present application provides a communication method, the method comprising: the terminal receives an interception instruction from a first base station, wherein the interception instruction is used for indicating an I-RNTI of the interception terminal to obtain a terminal identifier, and the terminal identifier is used for paging the terminal based on a wake-up signal WUS;

based on the interception instruction, the terminal intercepts a terminal identifier from the I-RNTI of the terminal, wherein the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

the terminal receives WUS from a first base station, wherein the WUS carries a terminal identifier;

the terminal sends a paging response to the first base station, the paging response including the terminal identification.

In some embodiments, the interception indication includes an interception rule including at least one of an interception location and/or an amount of intercepted bits, the terminal intercepts a terminal identity from an I-RNTI of the terminal based on the interception indication, comprising:

the terminal intercepts bits corresponding to the number of bits from the interception position in the I-RNTI of the terminal to obtain the terminal identification.

In some embodiments, the terminal receives an intercept indication from a first base station, comprising:

the terminal receives an RRC release message from the first base station, wherein the RRC release message carries interception rules.

A seventh aspect of the present application provides an electronic device, comprising: a memory, and at least one processor. The memory is configured to store a program, and the at least one processor is configured to execute the program to cause the electronic device to implement the communication method provided in the first aspect of the present application.

An eighth aspect of the present application provides an electronic device, including: a memory, and at least one processor. The memory is configured to store a program, and the at least one processor is configured to execute the program to cause the electronic device to implement the communication method provided in the second aspect of the present application.

A ninth aspect of the present application provides an electronic device, comprising: a memory, and at least one processor. The memory is for storing a program, and the at least one processor is for running the program to cause the electronic device to implement the communication method provided in the third aspect of the present application.

A tenth aspect of the present application provides an electronic device, comprising: a memory, and at least one processor. The memory is configured to store a program, and the at least one processor is configured to execute the program to cause the electronic device to implement the communication method provided in the fourth aspect of the present application.

An eleventh aspect of the present application provides an electronic device, comprising: a memory, and at least one processor. The memory is configured to store a program, and the at least one processor is configured to execute the program to cause the electronic device to implement the communication method provided in the fifth aspect of the present application.

A twelfth aspect of the present application provides an electronic device, comprising: a memory, and at least one processor. The memory is configured to store a program, and the at least one processor is configured to execute the program to cause the electronic device to implement the communication method provided in the sixth aspect of the present application.

A thirteenth aspect of the present application provides a communication system comprising an electronic device as provided in the seventh aspect, an electronic device as provided in the eighth aspect, and an electronic device as provided in the ninth aspect.

A fourteenth aspect of the present application provides a communication system comprising an electronic device as provided in the tenth aspect, an electronic device as provided in the eleventh aspect, and an electronic device as provided in the twelfth aspect.

A fifteenth aspect of the present application provides a computer storage medium storing a computer program for implementing the communication method provided in any of the first to sixth aspects of the present application when the computer program is executed.

Drawings

Fig. 1 is a diagram illustrating a scenario in which a base station communicates with a terminal according to an embodiment of the present application;

FIG. 2 is a flow chart of idle paging provided in an embodiment of the present application;

FIG. 3 is a schematic diagram of a WUS-based wake-up provided in an embodiment of the present application;

FIG. 4 is a flow chart of another communication method disclosed in an embodiment of the present application;

FIG. 5 is a flow chart of yet another communication method disclosed in an embodiment of the present application;

fig. 6 is a diagram illustrating a structure of an electronic device according to an embodiment of the present application;

fig. 7 is a diagram illustrating a structure of another electronic device according to an embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

The application scenario of the embodiment of the present application is illustrated below.

The embodiment of the application is applied to a communication system, can be a second generation (2G) communication system and a third generation (3G) communication system, can be a long-term evolution (LTE) system, can be a fifth generation (5G) communication system, can be a mixed architecture of LTE and 5G, can be a 5G new wireless (5G New Radio,5G NR) system, and can be a new communication system in future communication development.

The communication system comprises at least one base station and a terminal. A base station may be a device on the network side for providing network communication functions, sometimes also referred to as a network device, a network element, which may typically be a base station (including a functional unit of the base station, or a combination of functional units of the base station) or a core network unit, where the core network unit may be a functional unit in the core network, including but not limited to an access and mobility management function (access and mobility management function, AMF) unit or a session management function (session management function, SMF) unit. The terminal may be a device accessing the network. An example of a communication system is shown in fig. 1, which fig. 1 comprises a base station 1 and a terminal 2.

In the embodiments provided herein, the base station may be any device having a wireless transceiver function, including but not limited to: an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in long term evolution (long term evolution, LTE), a base station (gnnodeb or gNB) or transceiver point (transmission receiving point/transmission reception point, TRP) in New Radio (NR), a base station for 3GPP subsequent evolution, an access node in Wi-Fi system, a wireless relay node, a wireless backhaul node, etc. The base station may be: macro base station, micro base station, pico base station, small station, relay station, balloon station, or the like. A base station may include one or more co-sited or non-co-sited transmission points (Transmission Reception Point, TRP). The base station may also be a radio controller, a Centralized Unit (CU), and/or a Distributed Unit (DU) in the cloud radio access network (cloud radio access network, CRAN) scenario. The base station may communicate with the terminal or may communicate with the terminal through a relay station. The terminal may communicate with a plurality of base stations of different technologies, for example, the terminal may communicate with a base station supporting an LTE network, may communicate with a base station supporting a 5G network, and may perform dual connectivity with the base station supporting the LTE network and the base station supporting the 5G network.

In the embodiments provided herein, the terminal may be in various forms, such as a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a vehicle-mounted terminal device, a wireless terminal in self driving (self driving), a wireless terminal in remote medical (remote medium), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), a wearable terminal device, and the like. A terminal may also be referred to as a terminal device, user Equipment (UE), access terminal device, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, remote terminal device, mobile device, UE terminal device, wireless communication device, UE agent, UE apparatus, or the like. The terminal may also be a fixed terminal or a mobile terminal.

The embodiment of the application is suitable for being applied to a scene of paging by adopting a low-power Wake Up Signal (WUS) aiming at the non-active state terminal. For ease of understanding, the following explains the inactive state terminal paging and WUS.

In a cellular communication system such as 4G or 5G, a network serves a terminal in units of cells. After selecting a Cell, a terminal (UE) resides in the Cell, and can initiate uplink traffic at any time and prepare to receive downlink traffic of the network at any time. From the radio access network point of view, there are three different traffic states for a terminal in one cell.

Rrc_idle (inactive state): the UE camps on a cell without ongoing traffic and is not visible to both the base station and the core network UE. The UE monitors only the system broadcast, and ensures that the latest system message is stored at all times, so as to monitor paging (triggering cell access to perform uplink service) and initiate Random access (active access to perform uplink service) at any time as required. The page includes a downlink traffic trigger for the network, or a system message change, a multicast traffic start indication, etc.

Rrc_connected: the UE responds to the network paging or initiatively initiates random access, and establishes RRC connection with the base station to carry out service transmission. The UE is visible to both the base station and the core network.

Rrc_inactive (inactive state): the UE camps on a cell with no ongoing traffic, typically the base station configures the terminal to enter when the connection state is released. The terminal is still considered to be in a connected state for the core network, not visible to the base station. The UE behaves similarly to the inactive state, mainly listening to paging and system messages, with the difference that paging is mainly RAN paging sent by the base station.

In a cellular system, no matter which state is adopted, for downlink control information and data sent by a base station, the terminal is considered to be possible to happen at any time from the macro time granularity, so that in theory, the UE needs to monitor various control channels and data channels at any time in a cell, and the downlink control information and data sent by a network are ensured not to be missed. However, for a terminal, the time for actually receiving the network downlink control information and data is relatively short, so that the monitoring logic has a great influence on the power consumption of the terminal, and a large amount of monitoring is idle.

Therefore, for part of the downlink control information or data, 4g 5g designs discontinuous reception (Discontinuous Reception, DRX) at the beginning of the design, DRX being specific to discontinuous reception from the terminal point of view, i.e. downlink information. In the DRX mechanism, a base station and a terminal transmit and receive according to a period in a contracted form aiming at specific downlink control information or data, and the monitoring power consumption of the terminal is reduced on the premise of meeting downlink time delay.

DRX of idle/active is mainly called paging in the protocol. The terminal monitors the paging message which may exist at the appointed time-frequency position according to the period.

The DRX of the CONNECTED is mainly called DRX in the protocol. In the connection state service process, the terminal is not required to monitor the scheduling information continuously, but monitors according to the sparseness of the service and the period.

The aim of various periodic monitoring is to avoid the terminal to monitor downlink data and information continuously by the mode agreed by the terminal and the base station, so as to save the electric quantity of the terminal. Nevertheless, various discontinuous reception optimization schemes are continuously researched in the standard evolution of 3GPP, and two main directions are currently: aiming at the continuous optimization of the downlink DRX of the terminal view angle, the purpose is to continuously reduce the energy consumption consumed in the downlink monitoring process of the terminal through various optimizations. Rel-16/17 power saving, rel-18/19 low power Wake Up Signal (WUS)/Wake Up Receiver (WUR), etc.

For terminals without services, it is not necessary to keep in a connected state all the time, occupying the radio resources of the base station. Under the condition, the terminal only resides in the cell in an inactive state, periodically monitors paging according to the paging flow, and responds to the downlink service request of the network at any time.

Some terminals may have short-interval, frequent traffic, although there is no continuous traffic. For such terminals, if an idle paging procedure is used, paging of the core network is frequent, and each paging is initiated by the core network, the terminal responds to the core network and then performs service, so that the end-to-end experiment is large and the network signaling overhead is also large. Thus, the 4G late phase and 5G newly introduce a state body between a connected state and an idle state, and an inactive state (inactive). The terminal of the inactive is also in a non-service state, monitors network paging, but establishes connection with the base station when establishing connection (no release is performed before connection with the core network), and the time delay and signaling overhead are smaller.

Referring to fig. 2, fig. 2 is an inactive paging (inactive paging) flowchart provided in an embodiment of the present application, where the inactive paging procedure includes the following procedures.

The base station broadcasts paging related configuration to the terminal, wherein the paging related configuration comprises period, other time information, paging frequency domain resource information and the like. For example, the base station transmits a system information block (system information block, SIB) including paging related configuration.

The terminal receives the broadcasted SIB, and monitors paging according to the information of the SIB configuration and paging cycle in a paging subframe (PO) in a corresponding Paging Frame (PF).

After the terminal enters the connected state for a certain time, when the connection is released, the base station may instruct the terminal to enter an inactive state (inactive) instead of an idle state (idle). Meanwhile, a terminal ID (I-RNTI) used by the inactive and an inactive paging cycle are provided. The terminal enters an inactive state.

And the terminal monitors paging in a paging subframe (PO) in a corresponding Paging Frame (PF) by using an inactive paging period according to the information of SIB configuration and the inactive configuration. The PO and PF determining mode is the same as the idle mode, except that the period is selected, the short period is selected from the period of SIB broadcasting and the period of inactive, and the paging is monitored in the corresponding PO in the same manner as the paging monitoring mode in the idle mode.

When the core network has downlink service, the downlink service is directly sent to the base station connected before the terminal.

After receiving the service and knowing that the terminal has been released to the inactive state by itself, the base station determines the PO of the terminal according to its own system broadcast configuration and Release configuration by using the same method as the terminal as agreed by the 304 protocol, and sends a paging message including the terminal ID (I-RNTI) on the PO.

The anchor base station (the base station that previously released the terminal) also sends paging messages to other neighboring base stations to cause the neighboring base stations to page the terminal, the neighboring base stations acting the same as the current base station. For example, the anchor base station transmits a page to other base stations than the anchor base station in the radio access network tracking area (RAN Tracking Area, RAN TA) area, and the other base stations page the terminal at the same time.

If the terminal receives the paging message at any time and the paging message contains the identity of the terminal's home terminal, it is confirmed that the terminal is paged, and the terminal initiates a connection recovery (RRC connection resume) message to recover the connection with the base station (the connection of the core network is originally in place), enters rrc_connected, and receives or transmits data. After the service is completed, the base station releases the terminal by using the RRC Release message, and the terminal returns to the idle state or the inactive state.

In the paging process, the terminal identifier carried in the paging message sent by the base station to the terminal is I-RNTI, the terminal identifier carried in the paging message sent by the anchor base station to the adjacent base station is also I-RNTI, the I-RNTI is the terminal identifier allocated by the base station, and the I-RNTI is unique in the area negotiated by part of the base stations.

Rel-18/19 paging enhancement-WUS/WUR

Rel-19 introduces Wake up signal/receiver (WUS/WUR) to further reduce paging reception power consumption. In the paging mechanism before Rel-17, the terminal needs to monitor PDCCH before PO and PO, decode DCI of paging advance indication (paging early indication, PEI) or P-RNTI, and thus needs to wake up Main Receiver (MR) before PO. In Rel-18, the introduction of lower power receivers, i.e. low power receivers (Low power Receiver, LR) or WUR, is considered. Such a receiver may receive simpler WUS (possibly only sequence dependent, without PDCCH decoding) and therefore lower power consumption. Thus, as shown in fig. 3, for a terminal that is not paged, it is only necessary to start LR before PO, detect WUS, and if not, continue dormancy. If WUS is detected, the MR is awakened and pages are listened to.

As a result of the above scene research analysis, the longer the length of the terminal identifier represents the information amount of the terminal identifier, the larger the information amount of the terminal identifier is represented, and the larger the resource required for receiving and transmitting the terminal identifier is. The WUS has limited amount of information that can be carried, so if a terminal is directly indicated to be paged by the WUS, this means that the WUS includes a terminal identifier of the terminal, and if the WUS uses an existing terminal identifier, it is difficult to design the WUS, because it is difficult to indicate 24 bits of information with a signal. Further, since WUS needs to carry more information, the overhead of WUS will be large, and the amount of resources needed to send and receive WUS will be large.

In view of this, in some embodiments of the present application, the network side allocates a terminal identifier dedicated to WUS paging to the terminal in the inactive state, where the length of the terminal identifier dedicated to WUS paging is shorter than that of the existing terminal identifier, so as to reduce the information amount of the terminal identifier, reduce the overhead of the terminal identifier, and further reduce the resources occupied by receiving and transmitting the terminal identifier when the WUS is used to directly wake up the terminal. For example, the length of the terminal identity is shorter than the 24-bit I-RNTI. The specific length of the terminal identity may be determined based on the accuracy requirements for identifying the terminal and the requirements for resource overhead.

In addition, considering that the terminal in the inactive state is online for the core network, the core network generally does not need to page the terminal in the inactive state, the base station allocates a terminal identifier dedicated to WUS paging to the terminal in the inactive state, and the base station uses the terminal identifier allocated by the base station when WUS paging is adopted, so that the paging scene in the inactive state is more matched.

The manner of allocating terminal identities dedicated to WUS paging for inactive terminals includes allocating new terminal identities and truncating I-RNTIs, which are illustrated by the embodiments of fig. 4 and 5, respectively.

The obtained terminal identity can be used for paging the terminal based on WUS whether a new terminal identity is allocated or an I-RNTI truncated mode is adopted.

Furthermore, whether a new terminal identifier is allocated or an I-RNTI truncated mode is adopted, the obtained terminal identifier is shorter than the length of the I-RNTI, so that the information quantity of the WUS bearing the terminal identifier can be reduced.

Referring to fig. 4, fig. 4 shows a flow chart of a communication method according to an embodiment of the present application. The flow shown in fig. 4 is interactively performed by the terminal and the base station. The method shown in fig. 4 involves interactions between a plurality of base stations. In order to distinguish between different base stations, a base station from which a terminal was previously released is described by a "first base station", and other base stations adjacent to the base station from which a terminal was previously released are described by a "second base station". The flow shown in fig. 4 includes the following steps.

In step S310, the terminal sends the capability identification to the first base station.

The capability identity indicates that the terminal supports WUS based paging terminals. The terminal reports the receiving capability supporting WUS paging to the first base station by sending the capability identifier, so that the first base station perceives that the terminal can receive the WUS comprising the new terminal identifier, and triggers the first base station to allocate the new terminal identifier for the terminal. For example, when the value of the capability identifier is 1, it indicates that the terminal supports paging the terminal based on WUS, that is, uplink NAS signaling carries the capability identifier. When the value of the capability identity is 0, it indicates that the terminal does not support WUS-based paging terminals.

In step S320, the first base station allocates a new terminal identifier to the terminal.

In some embodiments, when the first base station releases the terminal to the inactive state, the first base station assigns a new terminal identification to the terminal.

In other embodiments, the first base station pre-allocates a new terminal identity to the terminal before releasing the terminal; when the first base station releases the terminal to the inactive state, the first base station transmits the allocated new terminal identification to the terminal.

In some embodiments, the first base station receives a capability identity from the terminal, determines that the terminal supports the capability of paging the terminal based on WUS based on the capability identity, and performs the act of assigning the terminal identity.

The new terminal identity is used for WUS based paging terminals. The new terminal identity is different from the I-RNTI of the terminal. The length of the new terminal identity is smaller than the length of the I-RNTI of the terminal. The new terminal identity is less than 24 bits in length. The new terminal identifier can uniquely identify the corresponding terminal within the coverage range of the first base station (such as the cell served by the first base station), in other words, the terminal identifiers of different terminals within the coverage range of the first base station are different, so that the probability that different terminals are awakened by the same WUS due to the terminal identifiers is avoided, and the risk that the terminal a should be awakened to wake the terminal B by mistake is reduced. In some embodiments, the new terminal identity can uniquely identify the corresponding terminal within a region negotiated by the first base station with a second base station adjacent to the first base station. In other words, the terminal identifiers of different terminals in the area negotiated by the first base station and the second base station adjacent to the first base station are different, so that the terminal can be successfully awakened whether in the coverage range of the first base station or moved to the coverage area of the second base station, and the risk that the terminal A should be awakened to wake the terminal B by mistake is also reduced.

In step S330, the first base station sends a new terminal identifier to the terminal.

In some embodiments, the first base station generates an RRC release message based on the new terminal identity, the RRC release message including the new terminal identity. The first base station transmits an RRC release message to the terminal, thereby transferring a new terminal identification to the terminal through the RRC release message.

In step S332, the terminal receives a new terminal identification from the first base station.

In some embodiments, the terminal receives the RRC release message, and the terminal switches the state of the home terminal to the inactive state based on the RRC release message; and the terminal acquires and stores the new terminal identification carried by the RRC release message.

Step S340, when paging the terminal in the inactive state, the first base station generates WUS based on the new terminal identification allocated by the first base station, and the WUS carries the terminal identification.

The present embodiment is described by taking a WUS paging method as an example for a base station. In other embodiments, the first base station uses a legacy (legacy) paging scheme, and the first base station pages the terminal using a legacy paging scheme based on the I-RNTI of the terminal.

How the first base station determines which paging mode to employ includes a variety of implementations.

In some embodiments, the first base station determines to use WUS paging mode or legacy paging mode based on configuration information stored by the first base station.

In other embodiments, the first base station determines to employ WUS paging mode or legacy paging mode based on the paging capability of the first base station. For example, if the first base station supports employing WUS paging terminals, the first base station employs WUS paging terminals based on the new terminal identity. If the first base station does not support the WUS paging terminal, paging the terminal by a legacy paging mode based on the I-RNTI of the terminal.

As another example, if the functionality of the first base station to employ WUS paging terminals has been activated to effect, the first base station employs WUS paging terminals based on the new terminal identification. If the function of the first base station for paging the terminal by adopting the WUS is not activated or fails, the first base station pages the terminal by adopting a legacy paging mode based on the I-RNTI of the terminal.

WUS is used to wake up the idle state terminal. WUS carries a new terminal identity. For example, WUS represents a terminal identity by a state of a value. For example, WUS carries a binarization sequence in which different values represent different information. For example, if the terminal identification has 10 bits, the terminal identifications of all terminals have 2 in total ¹⁰ The WUS sequence contains at least 1024 distinguishable different states, indicating the correct terminal.

In step S350, the first base station transmits WUS to the terminal.

For example, the first base station transmits WUS in a cell served by the first base station, thereby paging the terminal in the cell served by the first base station.

In step S360, the first base station generates a paging message based on the new terminal identification.

The paging message is used to indicate paging terminals based on the new terminal identity. The paging message carries the new terminal identification.

In step S362, the first base station transmits a paging message to the second base station.

The first base station is an anchor base station. The second base station is for example a neighbor base station of the first base station. The first base station and the second base station are located in the same tracking area. Considering that the terminal may move, the first base station enters a cell served by the second base station from the cell served by the first base station, and the first base station sends a new terminal identifier to the second base station, so that the second base station can conveniently adopt the WUS paging terminal based on the new terminal identifier, and the cross-base station based WUS paging terminal is supported under the terminal moving scene.

The new terminal identifier carried in the paging message sent by the first base station to the second base station is the same as the new terminal identifier sent by the first base station to the terminal in step S330. The first base station sends the same new terminal identification to the terminal and the second base station respectively, so that the new terminal identifications obtained by the terminal and the second base station are consistent. Then, when the terminal is moving within the coverage of the second base station, the terminal can still receive WUS from the second base station based on the new terminal identification received in advance from the first base station, thereby being successfully awakened by the second base station.

Optionally, the paging message sent by the first base station includes not only the new terminal identifier but also the I-RNTI of the terminal. Considering that other base stations (second base stations) adjacent to the anchor base station have a certain probability of not supporting the paging terminal based on WUS, the first base station simultaneously carries the I-RNTI and the new terminal identifier in the paging message, so that the second base station can adopt the WUS paging terminal based on the new terminal identifier and can also adopt the legacy paging mode to page the terminal, thereby being compatible with the scene that the adjacent base station does not support the WUS paging, and having higher flexibility.

Optionally, the paging message sent by the first base station includes not only the new terminal identity, but also a paging type, where the paging type is used to indicate the WUS-based paging terminal.

In some embodiments, the first base station sends the paging message to the second base station through Xn signaling. The Xn signaling carries the new terminal identification.

Step S364, the second base station receives the paging message from the first base station.

In some embodiments, the second base station receives the Xn signaling, and obtains that the Xn signaling carries the paging message.

In step S368, the second base station generates WUS based on the new terminal identifier carried in the paging message.

In step S369, the second base station transmits WUS to the terminal.

How the second base station determines which paging mode to use for paging the terminal includes a number of implementations.

In some embodiments, the second base station determines the paging mode to employ based on the indication carried in the paging message. For example, the second base station acquires the paging type carried in the paging message. If the paging type carried in the paging message shows that the paging terminal is based on the WUS, the second base station generates the WUS based on the new terminal identification, and the WUS is used for waking up the terminal in the inactive state.

In other embodiments, the second base station determines the length of the terminal identifier carried in the paging message. If the length of the terminal identification is 24 bits, the second base station determines that the terminal identification carried in the paging message is I-RNTI, and the second base station pages the terminal by adopting a legacy paging mode based on the I-RNTI. If the length of the terminal identification is less than 24 bits, the second base station determines that the terminal identification carried in the paging message is a new terminal identification for WUS paging, and the second base station adopts WUS paging terminal based on the new terminal identification.

In other embodiments, the second base station determines to use the WUS paging mode or the legacy paging mode based on configuration information stored by the second base station.

In other embodiments, the second base station determines to employ WUS paging mode or legacy paging mode based on the paging capability of the second base station. For example, if the second base station supports the use of WUS paging terminals, the second base station uses WUS paging terminals based on the new terminal identity. If the second base station does not support the WUS paging terminal, paging the terminal by a legacy paging mode based on the I-RNTI of the terminal.

As another example, if the functionality of the second base station to employ WUS paging terminals has been activated to effect, the second base station employs WUS paging terminals based on the new terminal identification. If the function of the second base station for paging the terminal by adopting the WUS is not activated or fails, the second base station pages the terminal by adopting a legacy paging mode based on the I-RNTI of the terminal.

In step S370, the terminal receives WUS.

The WUS received by the terminal may be from the first base station or from the second base station, which is not limited in this embodiment. For example, if the terminal is always within the range of the first cell covered by the first base station during the period from being released to inactive by the first base station to being paged by the first base station, the terminal receives WUS from the first base station. If the terminal moves from a first cell covered by the first base station to a second cell covered by the second base station during a period from being released to an inactive state by the first base station to being paged by the first base station, the terminal receives WUS from the second base station.

In step S380, the terminal determines that WUS carries a new terminal identifier of the home terminal, generates a paging response based on the new terminal identifier, and the paging response includes the new terminal identifier.

In some embodiments, the terminal determines the paging category the terminal listens to. If the monitored paging type is WUS paging, the terminal monitors WUS, the terminal determines whether the terminal identifier indicated by WUS is the new terminal identifier received in step S332, and if the terminal identifier indicated by WUS is the new terminal identifier received in step S332, the terminal determines that the local terminal is paged, and generates a paging response.

In step S390, the terminal transmits a paging response.

For example, if it is determined that WUS is from the first base station, the terminal transmits a paging response to the first base station; if it is determined that WUS is from the second base station, the terminal transmits a paging response to the second base station.

Because the paging response carries the terminal identification, the method is equivalent to informing the base station that the paging message sent previously by the base station has been responded by the terminal, and reduces the cost caused by repeatedly paging the same terminal by the base station.

In some embodiments, the paging response sent by the terminal is message 3 (message 3), and message 3 includes the new terminal identification.

The implementation procedure for allocating a new terminal identity in the embodiment of fig. 4 above is illustrated, and the implementation procedure for truncating I-RNTI in the embodiment of fig. 5 below is illustrated. The following fig. 5 embodiment, which is described with emphasis on the differences from the above embodiment, is referred to with reference to the same similar parts as the embodiment shown in fig. 4.

Referring to fig. 5, fig. 5 shows a flow chart of a communication method according to an embodiment of the present application. The flow shown in fig. 5 is interactively performed by the terminal, the first base station and the second base station. The flow shown in fig. 5 includes the following steps.

In step S410, the terminal sends the capability identification to the first base station.

The terminal reports the receiving capability supporting WUS paging to the first base station through sending the capability identifier, so that the first base station perceives that the terminal can receive the WUS comprising the new terminal identifier, and the first base station is triggered to instruct the I-RNTI to be used in a truncated mode.

In step S420, the first base station generates an interception indication.

In some embodiments, the first base station generates the intercept indication when the first base station releases the terminal to the inactive state.

The intercept indication is used to indicate an I-RNTI of the intercept terminal to obtain a terminal identity for WUS paging. The truncated indication may also be referred to as a truncated indication.

In some embodiments, the truncated indication indicates the rightmost k bits in the I-RNTI of the truncated terminal as the new terminal identity for WUS paging, k represents the number of truncated bits, k also represents the length of the new terminal identity, and k is greater than 1.

In some embodiments, the interception indication indicates the leftmost k bits in the I-RNTI of the intercepted terminal as the new terminal identity for WUS paging, k being greater than 1.

In still other embodiments, the truncated indication indicates k bits in the middle of the I-RNTI for the truncated terminal as the new terminal identity for WUS paging, k being greater than 1.

By indicating to truncate the I-RNTI, the existing I-RNTI can be reused to realize the identification dedicated to WUS paging without retransmitting the new terminal identification to the terminal, thereby reducing signaling overhead generated by transmitting the new terminal identification among the terminal, the first base station and the first base station.

The terminal identifier is used for paging the terminal based on the wake-up signal WUS, and the length of the terminal identifier is smaller than the length of the I-RNTI of the terminal.

In step S430, the first base station sends an interception instruction to the terminal.

In some implementations, the intercept indication includes an intercept rule. The interception rules are used to indicate the way in which the identity for WUS paging is intercepted from the I-RNTI. The interception rules include parameters based on which the identity for WUS paging is intercepted from the I-RNTI. Illustratively, the interception rule includes at least one of an interception location and/or an intercepted number of bits. The first base station sends the interception rule to the terminal, so that the method for intercepting the identification for WUS paging from the I-RNTI is more flexible and variable.

The interception location refers to a location in the I-RNTI used to intercept the WUS paging identity. For example, the intercept position includes a start intercept position and an end cut-off position.

The start interception location is used to indicate a bit identity in the I-RNTI corresponding to a start bit in the identity of the new terminal. For example, the start intercept location is the bit index of the first bit in the I-RNTI of the new terminal identity (identity for WUS paging). For example, the starting interception location is m, indicating that the interception of a new terminal identity starts from the mth bit in the I-RNTI. m may be any bit in the I-RNTI.

The end cut-off position is used to indicate a bit identity in the I-RNTI corresponding to the last bit in the identity of the new terminal.

The number of bits truncated refers to the number of bits truncated in the I-RNTI as the identity for WUS paging. The number of bits intercepted is also the number of bits in the identity used for WUS paging. For example, the number of bits truncated is k, indicating that the length of the terminal identity for WUS paging is k bits.

In some implementations, the interception rule includes intercepting k bits from the rightmost side of the I-RNTI as the terminal identity. For example, the interception rule includes intercepting 20 bits from the rightmost side of the I-RNTI as a terminal identity, indicating that the 5 th bit to 24 th bit interception in the intercepted I-RNTI is an identity for WUS paging.

In other embodiments, the intercept rules are not included in the intercept indication. For example, the intercept indication is an opcode corresponding to the intercept operation. As another example, the intercept indication is 1, indicating that the I-RNTI of the terminal is intercepted to obtain the terminal identity for WUS paging.

In some embodiments, the first base station generates an RRC release message based on the interception rules, the RRC release message including the interception rules. The first base station transmits an RRC release message to the terminal, so that the interception rule is transferred to the terminal through the RRC release message.

In step S432, the terminal receives an interception instruction from the first base station.

In some embodiments, the terminal receives the RRC release message, and the terminal switches the state of the home terminal to the inactive state based on the RRC release message; and the terminal acquires the interception instruction carried by the RRC release message.

In step S434, the terminal intercepts a new terminal identifier from the I-RNTI of the terminal based on the interception instruction, and the length of the new terminal identifier is smaller than the length of the I-RNTI of the terminal.

For example, the terminal intercepts k rightmost bits in the I-RNTI of the terminal as a new terminal identifier; in another example, the terminal intercepts k leftmost bits in the I-RNTI of the terminal as a new terminal identifier. For another example, the terminal intercepts k bits in the middle of the I-RNTI of the terminal as a new terminal identifier.

In some embodiments, the terminal acquires an interception rule carried by the interception instruction, and intercepts a new terminal identifier from the I-RNTI of the terminal according to the interception position or/and the intercepted bit number in the interception rule.

Illustratively, the interception position in the interception instruction is the mth bit, the number of intercepted bits is k, the terminal intercepts k bits from the mth bit in the I-RNTI, and takes the mth bit to the (m+k-1) th bit in the I-RNTI as a new terminal identifier.

The starting interception position in the interception instruction comprises an mth bit, the ending interception position is an nth bit, the terminal intercepts from the mth bit in the I-RNTI until the interception of the nth bit in the I-RNTI is ended, and the mth bit to the nth bit in the I-RNTI are used as new terminal identifications.

In other embodiments, the interception indication itself does not include an interception rule, and the terminal intercepts a new terminal identifier from the I-RNTI of the terminal according to the interception rule pre-stored by the terminal. For example, the interception rules are provided by standard protocols. As another example, the intercept rule is one of a plurality of candidate values in a table configured by the first base station. As another example, the interception rule is determined by the terminal negotiating with the first base station.

Step S440, when paging the terminal in the inactive state, the first base station intercepts the new terminal identification from the I-RNTI of the terminal based on the interception instruction, and the first base station generates WUS based on the new terminal identification.

The present embodiment is described by taking a WUS paging method as an example for a base station. In other embodiments, the base station uses a legacy paging scheme, and the base station pages the terminal based on the I-RNTI of the terminal.

In step S450, the first base station transmits WUS to the terminal.

In step S460, the first base station generates a paging message.

The paging message indicates that the terminal is paged based on the terminal identity intercepted from the I-RNTI of the terminal. The paging message carries an intercept indication.

In step S462, the first base station transmits a paging message to the second base station.

The interception instruction sent by the first base station to the second base station is the same as the interception instruction sent by the first base station to the terminal in step S430. Because the first base station sends the same interception instruction to the terminal and the second base station respectively, the terminal and the second base station can intercept the terminal identification from the I-RNTI in the same interception mode based on the same interception instruction, and therefore the new terminal identifications obtained by the terminal and the second base station are consistent. For example, the first base station sends the same interception position and the same number of bits to the terminal and the second base station respectively, so that the terminal and the second base station intercept the same number of bits from the same position in the I-RNTI to obtain the same terminal identifier for WUS paging. Then, when the terminal is moving within the coverage of the second base station, the terminal can still receive WUS from the second base station based on the truncated indication received in advance from the first base station, thereby being successfully awakened by the second base station.

Optionally, the paging message sent by the first base station includes not only the interception indication but also the I-RNTI of the terminal.

Optionally, the paging message sent by the first base station includes not only the interception indication, but also a paging type, where the paging type is used to indicate the WUS-based paging terminal.

In some embodiments, the first base station sends the paging message to the second base station through Xn signaling. The Xn signaling carries an intercept indication.

In step S464, the second base station receives a paging message from the first base station.

In step S466, the second base station intercepts a new terminal identifier from the I-RNTI of the terminal based on the interception indication carried in the paging message.

In step S467, the second base station generates WUS based on the new terminal identification.

In step S468, the second base station transmits WUS to the terminal.

In step S470, the terminal receives WUS.

In step S472, the terminal determines that WUS carries the new terminal identifier of the home terminal, and generates a paging response, where the paging response includes the new terminal identifier.

In step S474, the terminal transmits a paging response.

Fig. 6 is a composition example of an electronic device provided in an embodiment of the present application. The electronic device may be provided as a first base station, a second base station or a terminal. Taking the electronic device as an example of a base station, fig. 6 shows a simplified schematic diagram of the base station. The base station includes portions 610, 620 and 630. The 610 part is mainly used for baseband processing, control of the base station, etc.; portion 610 is typically a control center of the base station, and may be generally referred to as a processor, for controlling the base station to perform the processing operations on the base station side in the above-described method embodiment. Section 620 is mainly used for storing computer program code and data. The 630 part is mainly used for receiving and transmitting radio frequency signals and converting the radio frequency signals and baseband signals; section 630 may be generally referred to as a transceiver module, transceiver circuitry, or transceiver, etc. The transceiver module of section 630, which may also be referred to as a transceiver or transceiver, includes an antenna 633 and radio frequency circuitry (not shown) that is primarily used for radio frequency processing. Alternatively, the means for implementing the receiving function in section 630 may be regarded as a receiver and the means for implementing the transmitting function as a transmitter, i.e. section 630 comprises a receiver 632 and a transmitter 631. The receiver may also be referred to as a receiving module, receiver, or receiving circuit, etc., and the transmitter may be referred to as a transmitting module, transmitter, or transmitting circuit, etc.

Portions 610 and 620 may include one or more boards, each of which may include one or more processors and one or more memories. The processor is used for reading and executing the program in the memory to realize the baseband processing function and control of the base station. If there are multiple boards, the boards can be interconnected to enhance processing power. As an alternative implementation manner, the multiple boards may share one or more processors, or the multiple boards may share one or more memories, or the multiple boards may share one or more processors at the same time.

For example, in one implementation, the transceiver module of section 630 is configured to perform the transceiver-related procedures performed by the base station in the foregoing method embodiments. The processor of portion 610 is configured to perform the processes associated with the processing performed by the base station in the foregoing method embodiments.

It should be understood that fig. 6 is merely an example and not a limitation, and that the network device including the processor, memory, and transceiver described above may not rely on the structure shown in fig. 6.

Fig. 7 is a composition example of another electronic device provided in an embodiment of the present application. The electronic device may be provided as a first base station, a second base station or a terminal. Taking the electronic device as an example, the terminal includes, but is not limited to, a mobile phone, a smart wearable device (such as a smart watch), and other electronic devices. In the following, taking a mobile phone as an example, the electronic device may include a processor 310, an external memory interface 320, an internal memory 321, a display 330, a camera 340, an antenna 1, an antenna 2, a mobile communication module 350, a wireless communication module 360, and the like.

It is to be understood that the structure illustrated in the present embodiment does not constitute a specific limitation on the electronic apparatus. In other embodiments, the electronic device may include more or fewer components than shown, or certain components may be combined, or certain components may be split, or different arrangements of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

The processor 310 may include one or more processing units, such as: the processor 310 may include an application processor (application processor, AP), a modem processor, a graphics processor (graphics processing unit, GPU), an image signal processor (image signal processor, ISP), a controller, a video codec, a digital signal processor (digital signal processor, DSP), a baseband processor, and/or a neural network processor (neural-network processing unit, NPU), etc. Wherein the different processing units may be separate devices or may be integrated in one or more processors.

It should be understood that the connection relationship between the modules illustrated in this embodiment is only illustrative, and does not limit the structure of the electronic device. In other embodiments of the present application, the electronic device may also use different interfacing manners in the foregoing embodiments, or a combination of multiple interfacing manners.

The external memory interface 320 may be used to connect an external memory card, such as a Micro SD card, to enable expansion of the memory capabilities of the electronic device. The external memory card communicates with the processor 310 through an external memory interface 320 to implement data storage functions. For example, files such as music, video, etc. are stored in an external memory card.

The internal memory 321 may be used to store computer executable program code that includes instructions. The processor 310 executes various functional applications of the electronic device and data processing by executing instructions stored in the internal memory 321. The internal memory 321 may include a storage program area and a storage data area. The storage program area may store an application program (such as a sound playing function, an image playing function, etc.) required for at least one function of the operating system, etc. The storage data area may store data created during use of the electronic device (e.g., audio data, phonebook, etc.), and so forth. In addition, the internal memory 321 may include a high-speed random access memory, and may also include a nonvolatile memory, such as at least one magnetic disk storage device, a flash memory device, a universal flash memory (universal flash storage, UFS), and the like. The processor 310 performs various functional applications of the electronic device and data processing by executing instructions stored in the internal memory 321, and/or instructions stored in a memory provided in the processor.

The wireless communication function of the electronic device may be implemented by the antenna 1, the antenna 2, the mobile communication module 350, the wireless communication module 360, a modem processor, a baseband processor, and the like.

The antennas 1 and 2 are used for transmitting and receiving electromagnetic wave signals. Each antenna in the electronic device may be used to cover a single or multiple communication bands. Different antennas may also be multiplexed to improve the utilization of the antennas. For example: the antenna 1 may be multiplexed into a diversity antenna of a wireless local area network. In other embodiments, the antenna may be used in conjunction with a tuning switch.

The mobile communication module 350 may provide a solution for wireless communication including 2G/3G/4G/5G, etc. applied on an electronic device. The mobile communication module 350 may include at least one filter, switch, power amplifier, low noise amplifier (low noise amplifier, LNA), etc. The mobile communication module 350 may receive electromagnetic waves from the antenna 1, perform processes such as filtering, amplifying, and the like on the received electromagnetic waves, and transmit the processed electromagnetic waves to the modem processor for demodulation. The mobile communication module 350 may amplify the signal modulated by the modem processor, and convert the signal into electromagnetic waves through the antenna 1 to radiate the electromagnetic waves. In some embodiments, at least some of the functional modules of the mobile communication module 350 may be disposed in the processor 310. In some embodiments, at least some of the functional modules of the mobile communication module 350 may be provided in the same device as at least some of the modules of the processor 310.

In some embodiments, the electronic device initiates or receives a call request through the mobile communication module 350 and the antenna 1.

In addition, an operating system is run on the components. Such as iOS operating systems, android operating systems, windows operating systems, etc. Running applications may be installed on the operating system. It can be clearly understood by those skilled in the art that, for convenience and brevity, any explanation and beneficial effects of the related content in the electronic device provided above may refer to the corresponding method embodiments provided above, and are not repeated herein.

The present application also provides a communication system that may include an electronic device (e.g., a network device such as a first base station, a second base station, etc.) as shown in fig. 6 and an electronic device (e.g., a terminal such as a mobile phone) as shown in fig. 7.

In this application, a terminal or network device may include a hardware layer, an operating system layer running above the hardware layer, and an application layer running above the operating system layer. The hardware layer may include a central processing unit (central processing unit, CPU), a memory management module (memory management unit, MMU), and a memory (also referred to as a main memory). The operating system of the operating system layer may be any one or more computer operating systems that implement business processing through processes (processes), for example, a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or windows operating system, etc. The application layer may include applications such as a browser, address book, word processor, instant messaging software, and the like.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.

A refers to B, referring to a simple variation where A is the same as B or A is B.

It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, e.g., the division of modules is merely a logical function division, and there may be additional divisions of actual implementation, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, indirect coupling or communication connection of devices or modules, electrical, mechanical, or other form.

The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.

The integrated modules, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, a portion of the technical solution of the present application, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the procedures of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the technical scope of the embodiments of the present application.

Claims

1. A method of communication, the method comprising:

the method comprises the steps that a first base station distributes a terminal identifier for a terminal, wherein the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of an initial random access radio network temporary identifier I-RNTI of the terminal;

the first base station sends the terminal identification to the terminal;

when paging the terminal in an inactive state, the first base station generates a WUS based on the terminal identifier, wherein the WUS carries the terminal identifier;

the first base station transmits the WUS to the terminal.

2. The method of claim 1, wherein the first base station transmitting the terminal identification to the terminal comprises:

The first base station generates a Radio Resource Control (RRC) release message, wherein the RRC release message carries the terminal identifier;

the first base station sends the RRC release message to the terminal.

3. The method of claim 1, wherein the first base station is an anchor base station, the method further comprising:

and when paging the terminal in the inactive state, the first base station sends a paging message to a second base station, wherein the second base station is other base stations adjacent to the first base station, and the paging message carries the terminal identifier.

4. The method of claim 3, wherein the first base station transmitting the paging message to the second base station comprises:

and the first base station sends Xn signaling to the second base station, wherein the Xn signaling carries the paging message.

5. The method of claim 1, wherein the first base station assigns a terminal identifier to a terminal, comprising:

and the first base station intercepts at least one bit from the rightmost side of the I-RNTI of the terminal to obtain the terminal identifier.

6. The method of claim 1, wherein prior to the first base station assigning a terminal an identity to a terminal, the method further comprises:

The first base station receives a capability identification from the terminal, the capability identification indicating that the terminal supports paging the terminal based on a wake-up signal WUS.

7. A method of communication, the method comprising:

a second base station receives paging information from a first base station, wherein the second base station is other base stations adjacent to the first base station, the paging information carries a terminal identifier, and the terminal identifier is used for paging a terminal based on a wake-up signal WUS;

the second base station generates a WUS based on the terminal identifier, wherein the WUS carries the terminal identifier;

the second base station transmits the WUS to the terminal.

8. The method of claim 7, wherein the length of the terminal identity is less than the length of the I-RNTI of the terminal.

9. A method of communication, the method comprising:

the method comprises the steps that a terminal receives a terminal identifier from a first base station, wherein the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of an I-RNTI of the terminal;

the terminal receives a WUS from the first base station, wherein the WUS carries the terminal identifier;

And the terminal sends a paging response to the first base station, wherein the paging response carries the terminal identifier.

10. The method of claim 9, wherein the terminal receiving WUS from the first base station comprises:

and the terminal receives a Radio Resource Control (RRC) release message from the first base station, wherein the RRC release message carries the terminal identifier.

11. The method of claim 9, wherein the terminal transmitting a paging response to the base station comprises:

and the terminal sends message 3 to the base station, wherein the message 3 comprises the terminal identification.

12. A method of communication, the method comprising:

the method comprises the steps that a first base station generates an interception instruction, wherein the interception instruction is used for indicating an initial random access radio network temporary identifier I-RNTI of an intercepted terminal to obtain a terminal identifier, the terminal identifier is used for paging the terminal based on a wake-up signal WUS, and the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

when the first base station releases the terminal to an inactive state, the first base station sends the interception instruction to the terminal;

and when paging the terminal in the inactive state, the first base station generates WUS based on the terminal identifier, wherein the WUS carries the terminal identifier.

13. The method of claim 12, wherein the intercept indication comprises an intercept rule, the intercept rule comprising at least one of an intercept location or/and an intercept number of bits.

14. The method of claim 13, wherein the interception rule comprises intercepting k bits from a rightmost side of the I-RNTI as the terminal identity, the k being greater than 1.

15. The method of claim 12, wherein the first base station transmitting the intercept indication to a terminal comprises:

and when the first base station releases the terminal to the inactive state, the first base station sends the interception instruction to the terminal.

16. The method of claim 15, wherein the first base station transmitting the intercept indication to a terminal comprises:

the first base station generates a Radio Resource Control (RRC) release message, wherein the RRC release message carries the interception instruction;

the first base station sends the RRC release message to the terminal.

17. The method of claim 12, wherein the first base station is an anchor base station, the method further comprising:

and when paging the terminal in the inactive state, the first base station sends a paging message to a second base station, wherein the second base station is other base stations adjacent to the first base station, and the paging message carries the interception indication.

18. A method of communication, the method comprising:

a second base station receives paging information from a first base station, wherein the second base station is other base stations adjacent to the first base station, the paging information comprises a terminal identifier, and the terminal identifier is used for paging a terminal based on a wake-up signal WUS;

the second base station intercepts the terminal identifier from the I-RNTI of the terminal based on the interception instruction, wherein the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

the second base station transmits the WUS to the terminal.

19. The method of claim 18, wherein the interception indication comprises an interception rule comprising at least one of an interception location and/or an amount of intercepted bits, wherein the second base station intercepts the terminal identity from an I-RNTI of the terminal based on the interception indication, comprising:

and the second base station intercepts bits corresponding to the number of bits from the interception position in the I-RNTI of the terminal to obtain the terminal identifier.

20. A method of communication, the method comprising:

The method comprises the steps that a terminal receives an interception instruction from a first base station, wherein the interception instruction is used for indicating interception of an initial random access radio network temporary identifier I-RNTI of the terminal to obtain a terminal identifier, and the terminal identifier is used for paging the terminal based on a wake-up signal WUS;

the terminal intercepts the terminal identifier from the I-RNTI of the terminal based on the interception instruction, wherein the length of the terminal identifier is smaller than that of the I-RNTI of the terminal;

the terminal receives a WUS from a first base station, wherein the WUS carries the terminal identifier;

and the terminal sends a paging response to the first base station, wherein the paging response comprises the terminal identification.

21. The method of claim 20, wherein the interception indication comprises an interception rule, wherein the interception rule comprises at least one of an interception location and/or an amount of intercepted bits, wherein the terminal intercepts the terminal identity from an I-RNTI of the terminal based on the interception indication, comprising:

and the terminal intercepts bits corresponding to the number of bits from the interception position in the I-RNTI of the terminal to obtain the terminal identifier.

22. The method of claim 20, wherein the terminal receiving the intercept indication from the first base station comprises:

The terminal receives a Radio Resource Control (RRC) release message from the first base station, wherein the RRC release message carries the interception instruction.

23. An electronic device, the electronic device comprising:

a memory for storing a computer program or computer instructions;

a processor for executing a computer program or computer instructions stored in the memory to cause the electronic device to perform the method of any one of claims 1 to 22.

24. A communication system, characterized in that the system comprises at least one base station and a terminal, the system being adapted to perform the method according to any of claims 1 to 22.

25. A computer storage medium storing a computer program for implementing the method of any one of claims 1 to 22 when executed.