CN111416697A

CN111416697A - Method and equipment for configuring cell wireless network temporary identifier

Info

Publication number: CN111416697A
Application number: CN201910014483.3A
Authority: CN
Inventors: 孙军帅
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2020-07-14
Anticipated expiration: 2039-01-07
Also published as: CN111416697B; WO2020143615A1

Abstract

The embodiment of the invention provides a method and equipment for configuring a cell radio network temporary identifier. The configuration method comprises the following steps: and sending configuration information of a common C-RNTI to a plurality of terminals, wherein the common C-RNTI is used for scrambling a common channel, and the common channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel. The embodiment of the invention can configure the common C-RNTI for the common channel such as common PDCCH. In addition, the embodiment of the invention also provides an implementation mode and a specific sending mode of the value range of the public C-RNTI.

Description

Method and equipment for configuring cell wireless network temporary identifier

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a method and equipment for configuring Cell-Radio Network Temporary Identifier (Cell-Radio Network Temporary Identifier C-RNTI).

Background

The requirement definition of common Physical Downlink Control Channel (common PDCCH) in the new air interface (NR) is given in the third generation partnership project (3GPP) protocol: NRsupports a group common PDCCH trimming at least slot format translation …, The network with in-formation RRC signaling The UE thermally decoded The group common PDCCH or not, not The note of common not a program of common circuit common cell.

According to the above requirements of the 3GPP protocol, the network needs to configure to the terminal (UE) through Radio Resource Control (RRC) signaling whether to monitor and monitor the common PDCCH.

Although the 3GPP protocol gives the requirement of common PDCCH and requires RRC signalling to configure whether the UE needs to monitor this type of PDCCH, no solution is currently provided how to configure C-RNTI for this type of PDCCH.

Disclosure of Invention

The embodiment of the invention provides a method and equipment for configuring a C-RNTI (radio network temporary identifier), and provides a scheme for configuring the C-RNTI for scrambling a common channel.

The embodiment of the invention provides a method for configuring a cell radio network temporary identifier C-RNTI, which comprises the following steps:

and sending configuration information of a common C-RNTI to a plurality of terminals, wherein the common C-RNTI is used for scrambling a common channel, and the common channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel.

The embodiment of the invention also provides a configuration method of the cell radio network temporary identifier C-RNTI, which comprises the following steps:

and receiving configuration information of a public C-RNTI sent by a base station, wherein the public C-RNTI is used for scrambling a public channel, and the public channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel.

The embodiment of the present invention also provides a base station, which includes a transceiver and a processor, wherein,

the transceiver is configured to send configuration information of a common C-RNTI to a plurality of terminals, where the common C-RNTI is used to scramble a common channel, and the common channel includes at least one of a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, and a physical uplink shared channel.

Embodiments of the present invention also provide a terminal, including a processor and a transceiver, wherein,

the transceiver is used for receiving configuration information of a public C-RNTI sent by a base station, the public C-RNTI is used for scrambling a public channel, and the public channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel.

An embodiment of the present invention further provides a communication device, including: a memory, a processor and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method as described above.

An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method are implemented as described above.

The embodiment of the invention provides a configuration scheme of a C-RNTI for scrambling a common channel, which can configure the common C-RNTI for the common channel such as common PDCCH. In addition, the embodiment of the invention also provides an implementation mode and a specific sending mode of the value range of the public C-RNTI.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic view of an application scenario of a configuration method of a C-RNTI according to an embodiment of the present invention;

fig. 2 is a flowchart illustrating a method for configuring a C-RNTI according to an embodiment of the present invention;

fig. 3 is a second flowchart of a method for configuring a C-RNTI according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention;

fig. 5 is another schematic structural diagram of a base station according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 7 is another schematic structural diagram of a terminal according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The techniques described herein are not limited to the Evolution (L TE-Advanced, L TE-a) system of the long term Evolution (L ong Time Evolution, L TE)/L TE, and may also be used for various wireless communication systems, such as the fifth generation communication technology New Radio (5G NR) system and its Evolution system, Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Frequency Division Multiple Access (SC-FDMA), and other systems.

It is understood that the embodiment of the present invention is described by taking a 5G NR system as an example, and is also applicable to other systems, and will not be described herein, wherein a fifth generation (5G) wireless network, also referred to as a fifth generation mobile phone mobile communication standard, is an extension beyond 4G, the 5G wireless network can greatly increase the transmission speed of signaling by utilizing a high carrier frequency and the number of antennas that are not available before, and the 5G can be combined with any potential new 5G air interface, L TE and WiFi, thereby providing a universal high coverage rate and a seamless user experience.

The term "System" and "network" are often used interchangeably.CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA). UTRA includes Wideband CDMA (WCDMA) and other CDMA variants.TDMA systems may implement Radio technologies such as Global System for Mobile Communication (GSM). OFDMA systems may implement Radio technologies such as Ultra Mobile Broadband (UMB), evolved UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are Universal Mobile Telecommunications systems (UMTS Telecommunications systems, E-UTRA, E-2, which are also described in the third generation Radio systems, USRA, and E-2, which are also referred to as UMTS versions from the third generation Radio systems, UMTS-TE, USRA, and USRA-2, which are also referred to the third generation Radio technologies as UTRA, USRA, and USRA 2, USRA, and USRA, which are also referred to the third generation Radio technologies described in the above for example as UMTS-UTRA, UMTS-L, USRA, and USRA, and USRA, and USRA, and.

Fig. 1 shows a block diagram of a wireless communication system to which AN embodiment of the present invention is applicable, where the wireless communication system includes a terminal 11 and a network Device 12, where the terminal 11 may also be referred to as a User terminal or a User Equipment (UE), the terminal 11 may be a terminal side Device such as a mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a laptop Computer (L laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device, and it is noted that a specific type of the terminal 11 is not limited in the embodiment of the present invention, and the network Device 12 may be a Base Station and/or a core network element, where the Base Station may be a 5G and later version Base Station (e.g., a gbb, a 5G NR, etc.), or a Base Station in other communication systems (e.g., AN access point, a W L AN, or other Base stations may be referred to as a transit B, a Station B, a wlan.

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

A wireless communication system may include different types of base stations (e.g., macro, micro, or pico base stations). the base stations may also utilize different radio technologies, such as cellular or W L AN radio access technologies.

A communication link in a wireless communication system may include an Uplink for carrying Uplink (U L) transmissions (e.g., from terminal 11 to network device 12) or a Downlink for carrying Downlink (D L) transmissions (e.g., from network device 12 to terminal 11). U L transmissions may also be referred to as reverse link transmissions and D L transmissions may also be referred to as forward link transmissions.

Referring to fig. 2, an embodiment of the present invention provides a method for configuring a C-RNTI, which is applied to a network device, such as a base station, and includes:

step 21, the base station sends configuration information of a common C-RNTI to a plurality of terminals, wherein the common C-RNTI is used for scrambling a common channel, and the common channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel.

Here, the Common channel may specifically be at least one of PDCCH, PDSCH and PUSCH, where PDCCH in the Common channel refers to Common PDCCH (i.e. Common PDCCH in TR 38.802), and the Common PDCCH needs to be scrambled using Common C-RNTI (i.e. Common C-RNTI), and the Common PDCCH has two proprietary features: 1) scrambling using Common C-RNTI; 2) the common PDCCH transmits Downlink Control Information (DCI) newly defined by the NR system. In addition, the Common PDCCH is in a Common Search Space (Common Search Space) of the system, and all terminals can receive and parse the Common PDCCH.

Through the above steps, the base station may configure a common C-RNTI for scrambling a common channel for a plurality of terminals.

Before the step 21, the method according to an embodiment of the present invention may further include:

step 20, the base station determines whether to use the common C-RNTI to send data of a predetermined service to a plurality of terminals; and when the data of the predetermined service needs to be sent to the plurality of terminals by using the common C-RNTI, the step 21 is entered, the configuration information is sent, and the common C-RNTI is configured for the plurality of terminals.

That is, the common C-RNTI is associated with a service type, and the base station configures the C-RNTI when it needs to transmit a predetermined service to a plurality of terminals simultaneously using the common C-RNTI.

In the step 20, when data of a predetermined service needs to be transmitted to a plurality of terminals, the base station may determine whether the data of the predetermined service needs to be transmitted to the plurality of terminals using the common C-RNTI according to a quality of service (QoS) parameter of a Data Radio Bearer (DRB) of the predetermined service.

Preferably, the DRB corresponding to the QoS parameter of the ultra-reliable, low-latency communication (UR LL C) and the mass machine type communication (mtc) service needs to configure the common C-rnti, that is, as a preferred mode, the predetermined service may include the UR LL C service and the mtc service.

Preferably, in step 21, the base station in the embodiment of the present invention may send the RRC signaling carrying the common C-RNTI to the multiple terminals in the process of establishing the DRB or the logical channel of the predetermined service, so as to send the common C-RNTI to the corresponding terminal. Specifically, the RRC signaling may be RRC connection establishment (RRC connection establishment) signaling or RRC reconfiguration signaling (RRC reconfiguration) signaling.

After the step 21, the base station of the embodiment of the present invention may also use the PDCCH, PDSCH or PUSCH scrambled by the common C-RNTI to transmit and receive the data packet of the user. Specifically, the base station may scramble the common channel and transmit the scrambled common channel using the common C-RNTI; and/or receiving the common channel sent by any terminal in the plurality of terminals by using the common C-RNTI.

In addition, preferably, in the embodiment of the present invention, a value of the common C-RNTI and an aggregation level of a common channel may have a predetermined corresponding relationship, so that a blind detection complexity of a terminal on the common channel may be reduced.

Preferably, the common C-RNTI in the embodiment of the present invention may have a predetermined value range.

An example of an improvement of RRC signaling is given further below to carry the above-mentioned common C-RNTI of an embodiment of the present invention. For example:

[ configuration to carry common C-RNTI in logical channel configuration for MAC ]

[ configure C-RNTI for the logic channel needing the common C-RNTI, and the parameter types are as follows: and (4) optional type, carrying the parameter when needed, and not carrying the parameter otherwise. ]

aggregation-level:＝INTEGER(1,2,4,8)

Aggregation level (aggregation level) used by PDCCH corresponding to common C-RNTI is configured to reduce complexity of terminal blind detection

In addition, the embodiment of the invention also provides an example of an implementation mode for defining the value range of the public C-RNTI. It is assumed that Common C-RNTI takes on a range of values [ XX, YY ], where XX and YY represent the maximum and minimum values available for Common C-RNTI. The definition of the value range of the common C-RNTI in the embodiments of the present invention may be placed in a protocol text of the MAC, and an example is shown in tables 1 and 2:

table 1(Table 7.1-1: RNTI values)

Table 2(Table 7.1-2: RNTI use)

Referring to fig. 3, an embodiment of the present invention provides another method for configuring a C-RNTI, where when the method is applied to a terminal side, the method includes:

and step 31, the terminal receives configuration information of a common C-RNTI sent by the base station, wherein the common C-RNTI is used for scrambling a common channel, and the common channel comprises at least one of a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH) and a physical uplink shared channel.

Through the steps, the terminal of the embodiment of the invention can obtain the configuration information of the public C-RNTI, and further transmit and receive corresponding channels by using the public C-RNTI.

Preferably, after step 31, the terminal according to the embodiment of the present invention may further use the common C-RNTI to scramble the common channel and then transmit the scrambled common channel; and/or receiving the common channel sent by the base station by using the common C-RNTI.

Preferably, the value of the common C-RNTI and the aggregation level of the common channel have a preset corresponding relation.

Preferably, the common C-RNTI has a predetermined value range.

In step 31, the terminal may receive the radio resource control RRC signaling carrying the common C-RNTI sent by the base station in the process of establishing the DRB or the logical channel of the predetermined service.

Based on the configuration method of the C-RNTI provided by the embodiment, the embodiment of the invention also provides equipment for implementing the method.

Referring to fig. 4, an embodiment of the present invention provides a base station, where the base station 40 includes: a processor 41 and a transceiver 42. Wherein,

the transceiver 42 is configured to send configuration information of a common C-RNTI to a plurality of terminals, where the common C-RNTI is used to scramble a common channel, and the common channel includes at least one of a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, and a physical uplink shared channel.

Preferably, the transceiver 42 is further configured to: scrambling the common channel by using the common C-RNTI and then transmitting the scrambled common channel; and/or receiving the common channel sent by any terminal in the plurality of terminals by using the common C-RNTI.

Preferably, the common C-RNTI has a predetermined value range.

Preferably, the processor 41 is configured to determine whether data of a predetermined service needs to be transmitted to the plurality of terminals using the common C-RNTI before transmitting the configuration information of the common C-RNTI to the plurality of terminals;

the transceiver 42 is further configured to send configuration information of the common C-RNTI to the plurality of terminals when the processor needs to send data of a predetermined service to the plurality of terminals using the common C-RNTI.

Preferably, the processor 41 is further configured to: when the data of the predetermined service needs to be sent to a plurality of terminals, whether the data of the predetermined service needs to be sent to the plurality of terminals by using the common C-RNTI is determined according to the service quality parameter of the data radio bearer DRB of the predetermined service.

Preferably, the transceiver 42 is further configured to send a radio resource control RRC signaling carrying the common C-RNTI to the multiple terminals in a process of establishing the DRB or the logical channel of the predetermined service.

Referring to fig. 5, another structural diagram of a base station 500 according to an embodiment of the present invention includes: a processor 501, a transceiver 502, a memory 503, and a bus interface, wherein:

the transceiver 502 is configured to send configuration information of a common C-RNTI to a plurality of terminals, where the common C-RNTI is used to scramble a common channel, and the common channel includes at least one of a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, and a physical uplink shared channel.

In fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 501 and various circuits of memory represented by memory 503 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 502 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.

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

Preferably, the processor 501 is configured to read a program in a memory, and execute the following processes: determining whether it is necessary to transmit data of a predetermined service to the plurality of terminals using the common C-RNTI before transmitting the configuration information of the common C-RNTI to the plurality of terminals.

The transceiver is further configured to send configuration information of the common C-RNTI to the plurality of terminals when the processor needs to send data of a predetermined service to the plurality of terminals using the common C-RNTI.

Preferably, the transceiver 502 is further configured to: scrambling the common channel by using the common C-RNTI and then transmitting the scrambled common channel; and/or receiving the common channel sent by any terminal in the plurality of terminals by using the common C-RNTI.

Preferably, the common C-RNTI has a predetermined value range.

Preferably, the processor 501 is further configured to: when the data of the predetermined service needs to be sent to a plurality of terminals, whether the data of the predetermined service needs to be sent to the plurality of terminals by using the common C-RNTI is determined according to the service quality parameter of the data radio bearer DRB of the predetermined service.

Preferably, the transceiver 502 is further configured to send a radio resource control RRC signaling carrying the common C-RNTI to the multiple terminals in a process of establishing the DRB or the logical channel of the predetermined service.

Referring to fig. 6, an embodiment of the invention provides a terminal 60, which includes a processor 61 and a transceiver 62. Wherein,

the transceiver 62 is configured to receive configuration information of a common C-RNTI sent by a base station, where the common C-RNTI is used to scramble a common channel, and the common channel includes at least one of a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, and a physical uplink shared channel.

Preferably, the transceiver 62 is further configured to: scrambling the common channel by using the common C-RNTI and then transmitting the scrambled common channel; and/or receiving the common channel sent by the base station by using the common C-RNTI.

Preferably, the common C-RNTI has a predetermined value range.

Preferably, the transceiver 62 is further configured to receive a radio resource control RRC signaling carrying the common C-RNTI sent by a base station in a process of establishing a DRB or a logical channel of a predetermined service.

Referring to fig. 7, another structural diagram of a terminal according to an embodiment of the present invention is shown, where the terminal 700 includes: a processor 701, a transceiver 702, a memory 703, a user interface 704 and a bus interface.

In this embodiment of the present invention, the terminal 700 further includes: a computer program stored on the memory 703 and executable on the processor 701.

The transceiver 702 is configured to receive configuration information of a common C-RNTI sent by a base station, where the common C-RNTI is used to scramble a common channel, and the common channel includes at least one of a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, and a physical uplink shared channel.

In fig. 7, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 701, and various circuits, represented by memory 703, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 702 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 704 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

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

Preferably, the transceiver 702 is further configured to: scrambling the common channel by using the common C-RNTI and then transmitting the scrambled common channel; and/or receiving the common channel sent by the base station by using the common C-RNTI.

Preferably, the common C-RNTI has a predetermined value range.

Preferably, the transceiver 702 is further configured to receive a radio resource control RRC signaling carrying the common C-RNTI sent by a base station in a process of establishing a DRB or a logical channel of a predetermined service.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

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

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method for configuring the C-RNTI according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A method for configuring a cell radio network temporary identifier (C-RNTI), comprising:

2. The method of claim 1, further comprising:

scrambling the common channel by using the common C-RNTI and then transmitting the scrambled common channel; and/or the presence of a gas in the gas,

and receiving the common channel transmitted by any terminal in the plurality of terminals by using the common C-RNTI.

3. The method of claim 1, wherein a value of the common C-RNTI has a predetermined correspondence with an aggregation level of a common channel.

4. The method of claim 1, wherein the common C-RNTI has a predetermined range of values.

5. The method of claim 1, wherein before transmitting configuration information of a common C-RNTI to the plurality of terminals, the method further comprises:

determining whether data of a predetermined service needs to be transmitted to a plurality of terminals using a common C-RNTI;

and when the data of the predetermined service needs to be sent to a plurality of terminals by using the common C-RNTI, entering the step of sending the configuration information of the common C-RNTI to the plurality of terminals.

6. The method of claim 5, wherein the step of determining whether data of a predetermined service needs to be transmitted to a plurality of terminals using a common C-RNTI comprises:

when the data of the predetermined service needs to be sent to a plurality of terminals, whether the data of the predetermined service needs to be sent to the plurality of terminals by using the common C-RNTI is determined according to the service quality parameter of the data radio bearer DRB of the predetermined service.

7. The method of claim 5, wherein the step of sending configuration information of a common C-RNTI to a plurality of terminals comprises:

and in the process of establishing the DRB or the logic channel of the predetermined service, sending a Radio Resource Control (RRC) signaling carrying the public C-RNTI to the plurality of terminals.

8. A method for configuring a cell radio network temporary identifier (C-RNTI), comprising:

9. The method of claim 8, further comprising:

and receiving the common channel sent by the base station by using the common C-RNTI.

10. The method of claim 8, wherein a value of the common C-RNTI has a predetermined correspondence with an aggregation level of a common channel.

11. The method of claim 8, wherein the common C-RNTI has a predetermined range of values.

12. The method according to claim 8, wherein the step of receiving the configuration information of the common C-RNTI sent by the base station comprises:

and receiving a Radio Resource Control (RRC) signaling which is sent by a base station and carries the public C-RNTI in the process of establishing the DRB or the logic channel of the predetermined service.

13. A base station comprising a transceiver and a processor, wherein,

14. The base station of claim 13,

the transceiver is further configured to:

15. The base station of claim 13, wherein a value of the common C-RNTI and an aggregation level of a common channel have a predetermined correspondence.

16. The base station of claim 13, wherein the common C-RNTI has a predetermined range of values.

17. The base station of claim 13,

the processor is configured to determine whether data of a predetermined service needs to be transmitted to the plurality of terminals using the common C-RNTI before transmitting configuration information of the common C-RNTI to the plurality of terminals;

18. The base station of claim 17, wherein the processor is further configured to: when the data of the predetermined service needs to be sent to a plurality of terminals, whether the data of the predetermined service needs to be sent to the plurality of terminals by using the common C-RNTI is determined according to the service quality parameter of the data radio bearer DRB of the predetermined service.

19. The base station of claim 17, wherein the transceiver is further configured to send a radio resource control RRC signaling carrying the common C-RNTI to the multiple terminals during the process of establishing the DRB or logical channel of the predetermined service.

20. A terminal comprising a processor and a transceiver, wherein,

21. The terminal of claim 20, wherein the transceiver is further configured to:

22. The terminal of claim 20, wherein a value of the common C-RNTI and an aggregation level of a common channel have a predetermined correspondence.

23. The terminal of claim 20, wherein the common C-RNTI has a predetermined range of values.

24. The terminal of claim 20, wherein the transceiver is further configured to receive a radio resource control RRC signaling carrying the common C-RNTI sent by a base station in a process of establishing a DRB or a logical channel of a predetermined service.

25. A communication device, comprising: memory, processor and program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method according to any one of claims 1 to 12.

26. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 12.