CN111432502A - Random access method, base station and terminal equipment - Google Patents

Random access method, base station and terminal equipment Download PDF

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Publication number
CN111432502A
CN111432502A CN201910017998.9A CN201910017998A CN111432502A CN 111432502 A CN111432502 A CN 111432502A CN 201910017998 A CN201910017998 A CN 201910017998A CN 111432502 A CN111432502 A CN 111432502A
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China
Prior art keywords
carrier
random access
terminal device
information
terminal equipment
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CN201910017998.9A
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CN111432502B (en
Inventor
黄伟
徐绍君
王亮
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Chengdu TD Tech Ltd
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Chengdu TD Tech Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/38—Connection release triggered by timers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

The embodiment of the invention provides a random access method, a base station and terminal equipment, wherein the method comprises the steps of receiving a random access request initiated by the terminal equipment on a frequency division duplex FDD carrier wave, and if the base station detects that an inactive timer of the terminal equipment is overtime, sending a wireless resource release message to the terminal equipment, wherein the wireless resource release message comprises supplement uplink SU L carrier wave information so that the terminal equipment initiates random access according to the SU L carrier wave information.

Description

Random access method, base station and terminal equipment
Technical Field
The embodiment of the invention relates to the technical field of wireless communication, in particular to a random access method, a base station and terminal equipment.
Background
With the development of wireless communication technology, a mobile communication network gradually evolves to a 5G New air interface (NR) network, in the NR network, a Supplement Up L ink (SU L) carrier of a low frequency band is introduced to enhance uplink coverage, generally, an SU L carrier does not correspond to a cell alone, but is paired with a downlink carrier and belongs to a cell corresponding to the downlink carrier, after a cell is configured with an SU L, the cell corresponds to two uplink carriers, one is an SU L carrier, and the other is a non-SU L carrier.
In a Frequency Division Duplex (FDD) carrier and SU L carrier networking scenario, a terminal device usually initiates random access on an FDD carrier, and only when the data transmission amount is large and the channel quality of the FDD carrier is poor, the terminal device switches to an SU L carrier.
However, the uplink coverage capability of the FDD carrier is weaker than that of the SU L carrier, the existing random access method will result in poorer uplink coverage capability, and further result in poorer user experience when the terminal device performs uplink service access.
Disclosure of Invention
The embodiment of the invention provides a random access method, a base station and terminal equipment, which are used for solving the problem of poor uplink coverage capability.
In a first aspect, an embodiment of the present invention provides a random access method, applied to a base station, including:
receiving a random access request initiated by terminal equipment on a frequency division duplex FDD carrier;
and if the base station detects that the inactivity timer of the terminal equipment is overtime, sending a wireless resource release message to the terminal equipment, wherein the wireless resource release message comprises supplementary uplink SU L carrier information, so that the terminal equipment initiates random access according to the SU L carrier information.
In a possible implementation manner, the SU L carrier information includes SU L carrier frequency point information, priority information of SU L carrier frequency points, and configuration information of an SU L cell corresponding to the SU L carrier frequency point.
In a possible implementation manner, before sending the radio resource release message to the terminal device, the method further includes:
it is determined whether the terminal device supports SU L carriers.
In a second aspect, an embodiment of the present invention provides a random access method, applied to a terminal device, including:
receiving a wireless resource release message sent by a base station, wherein the wireless resource release message comprises supplementary uplink SU L carrier information;
and the terminal equipment initiates random access according to SU L carrier information.
In a possible implementation manner, the SU L carrier information includes SU L carrier frequency point information, priority information of SU L carrier frequency points, and configuration information of an SU L cell corresponding to the SU L carrier frequency point.
In one possible implementation manner, the terminal device initiates random access according to SU L carrier information, including:
the terminal equipment acquires the SU L carrier frequency point with the highest priority according to the SU L carrier frequency point information and the priority information of the SU L carrier frequency point;
and the terminal equipment initiates random access on the SU L carrier frequency point with the highest priority.
In a third aspect, an embodiment of the present invention provides a base station, including:
a receiving module, configured to receive a random access request initiated by a terminal device on a frequency division duplex FDD carrier;
and the sending module is used for sending a wireless resource release message to the terminal equipment if the inactivity timer of the terminal equipment is detected to be overtime, wherein the wireless resource release message comprises supplement uplink SU L carrier information so that the terminal equipment initiates random access according to the SU L carrier information.
In a fourth aspect, an embodiment of the present invention provides a terminal device, including:
the receiving module is used for receiving a wireless resource release message sent by the base station, wherein the wireless resource release message comprises supplementary uplink SU L carrier information;
and the processing module is used for initiating random access according to the SU L carrier information.
In a fifth aspect, an embodiment of the present invention provides a base station, including:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the random access method as defined in any one of the first aspect.
In a sixth aspect, an embodiment of the present invention provides a terminal device, including:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the random access method as claimed in any one of the second aspect.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the random access method according to any one of the first aspect or the random access method according to any one of the second aspect.
According to the random access method, the base station and the terminal equipment provided by the embodiment of the invention, the random access request initiated by the terminal equipment on the frequency division duplex FDD carrier wave is received, if the base station detects that the inactive timer of the terminal equipment is overtime, the base station sends the wireless resource release message to the terminal equipment, wherein the wireless resource release message comprises the supplement uplink SU L carrier wave information, so that the terminal equipment initiates random access according to the SU L carrier wave information, the terminal equipment can directly initiate random access on the SU L carrier wave, SU L carrier wave resources are fully utilized, the uplink covering capability is improved, the user experience is improved, the SU L carrier wave information is sent to the terminal equipment through the wireless resource release message, the compatibility is high, and the base station sends the wireless resource release message comprising the SU L carrier wave information to the terminal equipment only under the condition that the terminal equipment initiates random access on the FDD carrier wave, so that the utilization rate of air interface resources is.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart of a random access method according to an embodiment of the present invention;
fig. 2 is a flowchart of a random access method according to another embodiment of the present invention;
fig. 3 is a flowchart of another embodiment of a random access method provided by the present invention;
fig. 4 is a signaling flowchart of a random access method according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of a terminal device provided in the present invention;
fig. 7 is a schematic structural diagram of a base station according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of another embodiment of the terminal device provided by the present invention.
With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terms "comprising" and "having," and any variations thereof, in the description and claims of this invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The terms "first" and "second" in the present application are used for identification purposes only and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. "plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the prior art, terminal equipment firstly initiates random access on an FDD carrier, and then determines whether to switch to an SU L carrier according to the data transmission quantity and the channel quality of the FDD carrier, so that the uplink coverage capability is poor due to insufficient utilization of SU L carrier resources, and the user experience is poor when the terminal equipment performs uplink service access.
Fig. 1 is a flowchart of a random access method according to an embodiment of the present invention. The method provided by this embodiment may be applied to a base station, as shown in fig. 1, the method provided by this embodiment may include:
s101, receiving a random access request initiated by terminal equipment on a frequency division duplex FDD carrier wave.
In this embodiment, after the terminal device is powered on, if there is a service requirement, a random access request is initiated on an FDD carrier, so as to access a corresponding base station.
In this embodiment, after receiving a random access request initiated by a terminal device on an FDD carrier, if the terminal device is allowed to access, a base station allocates a corresponding resource to the terminal device, so that the terminal device can perform communication smoothly.
S102, if the base station detects that the inactivity timer of the terminal equipment is overtime, sending a wireless resource release message to the terminal equipment, wherein the wireless resource release message comprises supplement uplink SU L carrier information, so that the terminal equipment initiates random access according to the SU L carrier information.
In order to improve the utilization rate of air interface resources and reduce the power consumption of the terminal device, when there is no data transmission between the terminal device and the base station in uplink and downlink, the radio link resources need to be released. In this embodiment, the base station determines whether to send a radio resource release message, for example, an rrcreelease message, to the terminal device by detecting whether an inactivity timer of the terminal device is overtime. Optionally, after the base station detects that the terminal device has no data to receive or transmit, an inactivity timer of the terminal device is started. And when the inactivity timer of the terminal equipment is overtime, sending a wireless resource release message to the terminal equipment.
Optionally, in this embodiment, the time length value of the inactivity timer of the terminal device may be determined according to configuration information sent by the terminal device. For example, the base station may determine the duration value of the inactivity timer of the terminal device according to the duration value of the RRC inactivity timer carried in the MAC-MainConfig-NB signaling sent by the terminal device and/or the type of the terminal device. Wherein, the time length value of the RRC inactivity timer can be carried in the RRCinagetizer-timeout-R13 signaling parameter in the MAC-MainConfig-NB signaling. The time length value of the inactivity timer of the terminal equipment is determined according to the configuration information sent by the terminal equipment, and a reasonable time length value of the RRC inactivity timer can be determined for each terminal, so that normal transmission of data can be ensured, and the power consumption of the terminal can be reduced to a certain extent.
In this embodiment, when the terminal device performs random access initiated on an FDD carrier, the radio resource release message sent by the base station to the terminal device may include supplementary uplink SU L carrier information, so that after receiving the radio resource release message, the terminal device determines SU L carrier information according to the radio resource release message, and then initiates random access according to the SU L carrier information, thereby implementing that the terminal device directly initiates random access on an SU L carrier.
In the embodiment, the SU L carrier information is sent to the terminal device through the radio resource release message, and a new message type does not need to be additionally added, so that the method can be compatible with the existing communication system to the maximum extent.
In the random access method provided by this embodiment, a random access request initiated by a terminal device on a frequency division duplex FDD carrier is received, and if a base station detects that an inactive timer of the terminal device is overtime, a radio resource release message is sent to the terminal device, where the radio resource release message includes supplementary uplink SU L carrier information, so that the terminal device initiates random access according to SU L carrier information, so that the terminal device can directly initiate random access on an SU L carrier, SU L carrier resources are fully utilized, uplink coverage capability is improved, and user experience is improved.
Optionally, the SU L carrier information may include SU L carrier frequency point information, priority information of an SU L0 carrier frequency point, and configuration information of an SU L2 cell corresponding to the SU L1 carrier frequency point, where the SU L carrier frequency point information may include a frequency point that can be used when the terminal device initiates random access from an SU L carrier, the priority information of the SU L carrier frequency point indicates a usage priority of each SU L carrier frequency point, for example, the usage priority may include high, medium, low, and the like, and may also be represented by a priority value, and the configuration information of an SU L cell corresponding to the SU L carrier frequency point indicates the configuration information of an SU L cell corresponding to each SU L carrier frequency point.
In some embodiments, in order to further improve the utilization rate of air interface resources, in the random access method provided in this embodiment, before the base station sends the radio resource release message to the terminal device, the base station further includes determining whether the terminal device supports an SU L carrier, if the terminal device supports an SU L carrier, sending the radio resource release message including SU L carrier information to the terminal device, and if the terminal device does not support an SU L carrier, the base station only needs to send the radio resource release message to the terminal device according to an implementation manner in the prior art.
Fig. 2 is a flowchart of a random access method according to another embodiment of the present invention. The method provided by this embodiment may be applied to a base station, as shown in fig. 2, the method provided by this embodiment may include:
s201, receiving a random access request initiated by a terminal device on a frequency division duplex FDD carrier.
S202, the base station communicates with the terminal equipment.
In this embodiment, after receiving a random access request initiated by a terminal device on an FDD carrier, if the terminal device is allowed to access, a base station allocates a corresponding resource to the terminal device, and the terminal device enters an RRC connection state by a Radio Resource Control (RRC) idle state, so that the base station communicates with the terminal device.
S203, judging whether the inactivity timer of the terminal equipment is overtime. If yes, continuing to execute S204; if not, S202 is executed.
In this embodiment, when the base station detects that there is no data transmission in both uplink and downlink of the terminal device, the inactivity timer of the terminal device is started.
And S204, judging whether the terminal equipment supports SU L carrier waves, if so, continuing to execute S205, and if not, sending RRC Release information to the terminal equipment by adopting the prior art.
In this embodiment, the base station may determine whether the terminal device supports the SU L carrier according to the capability parameter of the terminal device in the registration information of the base station, and by determining the SU L support capability of the terminal device, the problem of air interface resource waste caused by sending SU L carrier information to the terminal device that does not support the SU L carrier may be avoided.
S205, sending a radio resource release message including the supplementary uplink SU L carrier information to the terminal equipment so that the terminal equipment initiates random access according to the SU L carrier information.
Based on the foregoing embodiment, the random access method provided in this embodiment sends a radio resource release message including information of an uplink SU L carrier to a terminal device that supports an SU L carrier and has an inactive timer that is overtime with respect to a random access request initiated on an FDD carrier, so that the terminal device initiates random access according to SU L carrier information, and thus the terminal device can directly initiate random access on an SU L carrier, which not only fully utilizes SU L carrier resources, improves uplink coverage capability, and improves user experience, but also has high compatibility and high utilization rate of air interface resources.
Fig. 3 is a flowchart of another embodiment of a random access method provided by the present invention. The method provided by this embodiment may be applied to a terminal device, as shown in fig. 3, and the method provided by this embodiment may include:
s301, receiving a wireless resource release message sent by the base station, wherein the wireless resource release message comprises supplementary uplink SU L carrier information.
In this embodiment, after receiving a radio resource release message including SU L carrier information sent by a base station, a terminal device may determine corresponding SU L carrier information according to the radio resource release message.
Optionally, the SU L carrier information may include SU L carrier frequency point information, priority information of the SU L carrier frequency point, and configuration information of an SU L cell corresponding to the SU L carrier frequency point.
And S302, the terminal equipment initiates random access according to SU L carrier information.
In this embodiment, after acquiring the SU L carrier information, the terminal device may directly initiate random access on the SU L carrier according to the SU L carrier information when there is a subsequent service demand.
According to the random access method provided by the embodiment, the terminal equipment directly initiates random access on the SU L carrier by receiving the wireless resource release message which is sent by the base station and comprises the supplementary uplink SU L carrier information and initiating the random access according to the SU L carrier information, so that the SU L carrier resource is fully utilized, the uplink coverage capability is improved, and the user experience is improved.
In some embodiments, one implementation manner of the terminal device initiating the random access according to the SU L carrier information may be that the terminal device obtains the SU L carrier frequency point with the highest priority according to the SU L carrier frequency point information and the priority information of the SU L carrier frequency point, and the terminal device initiates the random access on the SU L carrier frequency point with the highest priority.
Optionally, the SU L carrier frequency points may be arranged in order of priority from high to low according to the SU L carrier frequency point information and the priority information of the SU L carrier frequency points.
Fig. 4 is a signaling flowchart of a random access method according to another embodiment of the present invention. As shown in fig. 4, the method provided by this embodiment may include:
s401, the terminal equipment initiates a random access request on the FDD carrier.
S402, the base station communicates with the terminal equipment.
S403, the base station judges whether the inactivity timer of the terminal equipment is overtime. If yes, continuing to execute S404; otherwise, execution continues with S402.
S404, the base station judges whether the terminal equipment supports SU L carrier wave, if so, the S405 is continuously executed, otherwise, the wireless resource release message is sent to the terminal equipment according to the prior art.
S405, the base station sends a wireless resource release message comprising SU L carrier information to the terminal equipment.
And S406, the terminal equipment initiates a random access request on the SU L carrier.
It should be noted that, after receiving the radio resource release message including the SU L carrier information sent by the base station, the terminal device may directly initiate random access on the SU L carrier when there is a subsequent service demand, and in addition, for the case that the terminal device initiates random access on the SU L carrier, the base station may not need to send the SU L carrier information to the terminal device any more.
Fig. 5 shows a base station, which is only illustrated in fig. 5, and the embodiment of the present invention does not show that the present invention is limited thereto. Fig. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in fig. 5, the base station 50 provided in the present embodiment includes: a receiving module 501 and a sending module 502.
A receiving module 501, configured to receive a random access request initiated by a terminal device on a frequency division duplex FDD carrier;
a sending module 502, configured to send a radio resource release message to the terminal device if it is detected that the inactivity timer of the terminal device is overtime, where the radio resource release message includes supplementary uplink SU L carrier information, so that the terminal device initiates random access according to the SU L carrier information.
The apparatus of this embodiment may be used to implement the technical solution of the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
Optionally, the SU L carrier information may include SU L carrier frequency point information, priority information of the SU L carrier frequency point, and configuration information of an SU L cell corresponding to the SU L carrier frequency point.
Optionally, before sending the radio resource release message to the terminal device, the method further includes determining whether the terminal device supports SU L carrier.
Fig. 6 shows a terminal device, which is only illustrated in fig. 6, and the embodiment of the present invention does not show that the present invention is limited thereto. Fig. 6 is a schematic structural diagram of an embodiment of a terminal device provided in the present invention. As shown in fig. 6, the terminal device 60 provided in this embodiment may include: a receiving module 601 and a processing module 602.
A receiving module 601, configured to receive a radio resource release message sent by a base station, where the radio resource release message includes supplementary uplink SU L carrier information;
a processing module 602, configured to initiate random access according to SU L carrier information.
The apparatus of this embodiment may be used to implement the technical solution of the method embodiment shown in fig. 3, and the implementation principle and the technical effect are similar, which are not described herein again.
Optionally, the SU L carrier information includes SU L carrier frequency point information, priority information of the SU L carrier frequency point, and configuration information of an SU L cell corresponding to the SU L carrier frequency point.
Optionally, the processing module 602 is specifically configured to obtain an SU L carrier frequency point with the highest priority according to the SU L carrier frequency point information and the priority information of the SU L carrier frequency point, and initiate random access on the SU L carrier frequency point with the highest priority.
Fig. 7 shows a base station, which is only illustrated in fig. 7, and the embodiment of the present invention does not show that the present invention is limited thereto. Fig. 7 is a schematic structural diagram of a base station according to another embodiment of the present invention. As shown in fig. 7, the base station 70 provided in the present embodiment includes: memory 701, processor 702, and bus 703. The bus 703 is used to realize connection between the elements.
The memory 701 stores a computer program, and when executed by the processor 702, the computer program can implement any of the above-described technical solutions applied to the embodiments of the random access method for the base station.
Wherein, the memory 701 and the processor 702 are electrically connected directly or indirectly to realize data transmission or interaction. For example, these components may be electrically connected to each other via one or more communication buses or signal lines, such as bus 703. The memory 701 stores therein a computer program for implementing a random access method applied to a base station, including at least one software functional module that can be stored in the memory 701 in the form of software or firmware, and the processor 702 executes various functional applications and data processing by running the software program and module stored in the memory 701.
The Memory 701 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 701 is used for storing programs, and the processor 702 executes the programs after receiving execution instructions. Further, the software programs and modules within the memory 701 may also include an operating system, which may include various software components and/or drivers for managing system tasks (e.g., memory management, storage device control, power management, etc.), and may communicate with various hardware or software components to provide an operating environment for other software components.
The processor 602 may be an integrated circuit chip having signal processing capabilities. The Processor 602 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and so on. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. It will be appreciated that the configuration of fig. 6 is merely illustrative and may include more or fewer components than shown in fig. 6 or have a different configuration than shown in fig. 6. The components shown in fig. 6 may be implemented in hardware and/or software.
Fig. 8 shows a terminal device, which is provided in the embodiment of the present invention, and the embodiment of the present invention is only described with reference to fig. 8 as an example, which does not mean that the present invention is limited thereto. Fig. 8 is a schematic structural diagram of another embodiment of the terminal device provided by the present invention. The terminal device may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc. As shown in fig. 8, the terminal device provided in this embodiment may include one or more of the following components: a processing component 801, a memory 802, a power component 804, a multimedia component 806, an audio component 803, an input/output (I/O) interface 808, a sensor component 807, and a communication component 805.
The processing component 801 generally controls the overall operation of the terminal device, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 801 may include one or more processors 8011 that execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 801 may include one or more modules that facilitate interaction between the processing component 801 and other components. For example, the processing component 801 may include a multimedia module to facilitate interaction between the multimedia component 806 and the processing component 801.
The memory 802 is configured to store various types of data to support operations at the terminal device. Examples of such data include instructions for any application or method operating on the terminal device, contact data, phonebook data, messages, pictures, videos, etc. The memory 802 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. In this embodiment, a computer program is stored in the memory 802, and the computer program can be executed by the processor 8011 to implement any of the above-described technical solutions applied to the embodiments of the random access method of the terminal device.
The power supply component 804 provides power to the various components of the terminal device. The power components 804 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the terminal device.
The multimedia component 806 includes a screen providing an output interface between the terminal device and a user, in some embodiments, the screen may include a liquid crystal display (L CD) and a Touch Panel (TP). if the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
The audio component 803 is configured to output and/or input audio signals. For example, the audio component 803 may include a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 802 or transmitted via the communication component 805. In this embodiment, a voice signal of a user performing voice control on the terminal device may be collected by the microphone, and then sent to the cloud server via the communication component 805. In some embodiments, audio component 803 further includes a speaker for outputting audio signals. In this embodiment, the prompt information for the user may be played through the speaker.
The I/O interface 808 provides an interface between the processing component 801 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 807 includes one or more sensors for providing various aspects of status assessment for the terminal device. For example, the sensor component 807 may detect the open/closed state of the terminal device, the relative positioning of components, such as a display and keypad of the terminal device, the sensor component 807 may also detect a change in the position of the terminal device or a component of the terminal device, the presence or absence of user contact with the terminal device, orientation or acceleration/deceleration of the terminal device, and a change in the temperature of the terminal device. Sensor assembly 807 may comprise a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. The sensor assembly 807 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 807 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 805 is configured to facilitate communication between the terminal device and other devices in a wired or wireless manner. In this embodiment, the communication component 805 is used to implement interaction between the terminal device and the cloud server. The terminal device may access a wireless network based on a communication standard, such as WiFi, 2G, 3G, or 4G, or a combination thereof. In an exemplary embodiment, the communication component 805 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 805 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal device may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), programmable logic devices (P L D), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as the memory 802 including instructions executable by the processor 8011 of the terminal device to perform the above method. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
The terminal device provided in this embodiment may be configured to execute any of the above technical solutions applied to the random access method embodiment of the terminal device, and the implementation principle and the technical effect are similar, which are not described herein again.
The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, can implement the random access method provided in any of the above method embodiments. The computer-readable storage medium in this embodiment may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, etc. that is integrated with one or more available media, and the available media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., DVDs), or semiconductor media (e.g., SSDs), etc.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (11)

1. A random access method applied to a base station is characterized by comprising the following steps:
receiving a random access request initiated by terminal equipment on a frequency division duplex FDD carrier;
and if the base station detects that the inactivity timer of the terminal equipment is overtime, sending a wireless resource release message to the terminal equipment, wherein the wireless resource release message comprises supplement uplink SU L carrier information, so that the terminal equipment initiates random access according to the SU L carrier information.
2. The method of claim 1, wherein the SU L carrier information comprises SU L carrier frequency point information, SU L carrier frequency point priority information, and SU L cell configuration information corresponding to SU L carrier frequency points.
3. The method of claim 1, wherein before sending the radio resource release message to the terminal device, further comprising:
and judging whether the terminal equipment supports SU L carrier.
4. A random access method is applied to a terminal device, and is characterized by comprising the following steps:
receiving a radio resource release message sent by a base station, wherein the radio resource release message comprises supplementary uplink SU L carrier information;
and the terminal equipment initiates random access according to the SU L carrier information.
5. The method of claim 4, wherein the SU L carrier information comprises SU L carrier frequency point information, SU L carrier frequency point priority information, and SU L cell configuration information corresponding to the SU L carrier frequency point.
6. The method of claim 5, wherein the terminal device initiates random access according to the SU L carrier information, and comprises:
the terminal equipment acquires the SU L carrier frequency point with the highest priority according to the SU L carrier frequency point information and the priority information of the SU L carrier frequency point;
and the terminal equipment initiates random access on the SU L carrier frequency point with the highest priority.
7. A base station, comprising:
a receiving module, configured to receive a random access request initiated by a terminal device on a frequency division duplex FDD carrier;
a sending module, configured to send a radio resource release message to a terminal device if it is detected that an inactivity timer of the terminal device is overtime, where the radio resource release message includes supplementary uplink SU L carrier information, so that the terminal device initiates random access according to the SU L carrier information.
8. A terminal device, comprising:
a receiving module, configured to receive a radio resource release message sent by a base station, where the radio resource release message includes supplementary uplink SU L carrier information;
and the processing module is used for initiating random access according to the SU L carrier information.
9. A base station, comprising:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the random access method of any of claims 1-3.
10. A terminal device, comprising:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the random access method of any of claims 4-6.
11. A computer-readable storage medium, having stored thereon a computer program for execution by a processor for implementing the random access method according to any one of claims 1-3 or the random access method according to any one of claims 4-6.
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