CN113596946A - Wireless communication method, wireless communication terminal, and storage medium - Google Patents

Wireless communication method, wireless communication terminal, and storage medium Download PDF

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Publication number
CN113596946A
CN113596946A CN202110812230.8A CN202110812230A CN113596946A CN 113596946 A CN113596946 A CN 113596946A CN 202110812230 A CN202110812230 A CN 202110812230A CN 113596946 A CN113596946 A CN 113596946A
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cell
communication module
wireless communication
base station
auxiliary
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CN113596946B (en
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司江波
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Xian Fibocom Wireless Software Inc
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Xian Fibocom Wireless Software Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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

Abstract

The application discloses a wireless communication method, a wireless communication terminal and a storage medium. The wireless communication method includes: when the signal intensity and/or the signal quality of a first cell connected currently is smaller than a first preset threshold value, a main communication module sends a cell switching request message to an auxiliary communication module; the auxiliary communication module receives the cell switching request message, selects a proper second cell and transmits the identification information of the second cell to the main communication module; and the main communication module realizes the connection with the base station of the second cell according to the identification information of the second cell. The method and the device do not influence the service data transmission of the main communication module, and are favorable for improving the service data throughput rate, so that the user experience is improved. In addition, the embodiment of the application adopts double logic channels (the service channel and the common channel), so that the utilization rate of channel resources can be effectively improved.

Description

Wireless communication method, wireless communication terminal, and storage medium
Technical Field
The present application relates to the field of communications technologies, and in particular, to a wireless communication method, a wireless communication terminal, and a storage medium.
Background
Under the cellular network, the mobile terminal can be smoothly switched from the A cell to the B cell so as to keep the service data uninterrupted. However, with the development of cities, the distribution of base stations is more and more intensive, which results in an increase in the number of times of cell handovers triggered by mobile terminals during the moving process. And the mobile terminal starts measurement and analyzes a large amount of measurement reports (common messages) in the process of cell switching, and at the moment, service data are uninterrupted. Since the service data and the measurement report common message are transmitted through the same channel, the overhead of the measurement report common message causes a reduction in the channel utilization rate and a reduction in the throughput rate of the service data, resulting in poor user experience.
Disclosure of Invention
In view of this, embodiments of the present application provide a wireless communication method, a wireless communication terminal, and a storage medium, which are beneficial to improving a channel utilization rate and a service data throughput rate, so as to improve user experience.
In a first aspect, the present application provides a wireless communication method, applied to a wireless communication terminal, where the wireless communication terminal includes a main communication module and an auxiliary communication module that are in communication connection, the main communication module performs data information transmission with a base station through a traffic channel, and the auxiliary communication module performs common information transmission with the base station through a common channel, and the wireless communication method includes:
when the signal intensity and/or the signal quality of a first cell connected currently is smaller than a first preset threshold value, a main communication module sends a cell switching request message to an auxiliary communication module;
the auxiliary communication module receives the cell switching request message, selects a proper second cell and transmits the identification information of the second cell to the main communication module;
and the main communication module realizes the connection with the base station of the second cell according to the identification information of the second cell.
Optionally, the receiving, by the secondary communication module, the cell handover request and selecting a suitable second cell specifically include:
measuring signal strength and/or signal quality of neighbor cells of the first cell;
and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
Optionally, the IMSI information of the primary communication module and the secondary communication module is the same.
Optionally, the common information comprises a measurement report, the measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
Optionally, the connection mode of the main communication module and the auxiliary communication module is serial connection.
In a second aspect, an embodiment of the present application provides a wireless communication terminal, including a main communication module and an auxiliary communication module that are in communication connection, where the main communication module performs data information transmission with a base station through a traffic channel, and the auxiliary communication module performs common information transmission with the base station through a common channel;
when the signal strength and/or the signal quality of a first cell connected currently is smaller than a first preset threshold, the main communication module is used for sending a cell switching request message to the auxiliary communication module;
the auxiliary communication module is used for receiving the cell switching request message, selecting a proper second cell and transmitting the identification information of the second cell to the main communication module;
the primary communication module is further configured to implement connection with the base station of the second cell according to the identification information of the second cell.
Optionally, the secondary communication module is specifically configured to:
measuring signal strength and/or signal quality of neighbor cells of the first cell;
and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
Optionally, the IMSI information of the primary communication module and the secondary communication module is the same.
Optionally, the common information comprises a measurement report, the measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
Optionally, the connection mode of the main communication module and the auxiliary communication module is serial connection.
In a third aspect, an embodiment of the present application provides a readable storage medium, on which a program is stored, and when the program is executed by a processor, the program implements the steps of the wireless communication method as described above.
The wireless communication method of the embodiment of the application is applied to a wireless communication terminal, the wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a service channel, and the auxiliary communication module transmits public information with the base station through a public channel. When cell switching occurs, the main communication module sends a cell switching request message to the auxiliary communication module, the auxiliary communication module selects a target cell and establishes connection with a base station of the target cell, cell switching is achieved, service data transmission of the main communication module is not affected, service data throughput rate is improved, and therefore user experience is improved. In addition, the embodiment of the application adopts double logic channels (the service channel and the common channel), so that the utilization rate of channel resources can be effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a system architecture diagram according to an embodiment of the present application;
fig. 2 is a flow chart of a wireless communication method according to an embodiment of the present application;
fig. 3 is a flow chart of a wireless communication method according to another embodiment of the present application;
fig. 4 is an interaction diagram in a cell handover scenario according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the embodiments and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments and not all embodiments. The following embodiments and their technical features may be combined with each other without conflict.
Under the cellular network, the mobile terminal can be smoothly switched from the A cell to the B cell so as to keep the service data uninterrupted. However, with the development of cities, the distribution of base stations is more and more intensive, which results in an increase in the number of times of cell handovers triggered by mobile terminals during the moving process. And the mobile terminal starts measurement and analyzes a large amount of measurement reports (common messages) in the process of cell switching, and at the moment, service data are uninterrupted. Since the service data and the measurement report common message are transmitted through the same channel, the overhead of the measurement report common message causes a reduction in the channel utilization rate and a reduction in the throughput rate of the service data, resulting in poor user experience.
Based on the above, the present application provides a wireless communication method, a wireless communication terminal and a storage medium, where the wireless communication terminal includes a main communication module and an auxiliary communication module that are in communication connection, the main communication module performs data information transmission with a base station through a traffic channel, and the auxiliary communication module performs common information transmission with the base station through a common channel. When cell switching occurs, the main communication module sends a cell switching request message to the auxiliary communication module, the auxiliary communication module selects a target cell and establishes connection with a base station of the target cell, cell switching is achieved, service data transmission of the main communication module is not affected, service data throughput rate is improved, and therefore user experience is improved. In addition, the embodiment of the application adopts double logic channels (the service channel and the common channel), so that the utilization rate of channel resources can be effectively improved.
In a first aspect, an embodiment of the present application provides a wireless communication method. The wireless communication method is applied to a wireless communication terminal, as shown in fig. 1, the wireless communication terminal includes a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a traffic channel, and the auxiliary communication module transmits common information with the base station through a common channel.
As shown in fig. 2, the wireless communication method includes:
step S110: when the signal intensity and/or the signal quality of a first cell connected currently is smaller than a first preset threshold value, a main communication module sends a cell switching request message to an auxiliary communication module;
in general, a main communication module and an auxiliary communication module of a wireless communication terminal (hereinafter referred to as a terminal) are both connected to a base station of a first cell (a cell refers to an area covered by the base station), the main communication module performs data information transmission with the base station of the first cell through a traffic channel, and the auxiliary communication module performs common information transmission with the base station of the first cell through a common channel. When the signal strength and/or the signal quality of the currently connected first cell is less than a first preset threshold (or is continuously less than the first threshold for a period of time), for example, the signal strength of the currently connected first cell is-110 dBm, and the signal strength is less than a handover threshold of-95 dBm, the terminal will continuously report the signal strength and/or the signal quality of the currently connected first cell, so as to generate a large number of measurement reports (one type of common information), and transmit the measurement reports to the base station of the first cell through a common channel, that is, cell handover occurs. At this time, the primary communication module sends a cell switching request message to the secondary communication module.
Step S120: the auxiliary communication module receives the cell switching request message, selects a proper second cell and transmits the identification information of the second cell to the main communication module;
after receiving the cell switching request message, the auxiliary communication module selects a suitable second cell (a target cell to be switched), and transmits the identification information of the second cell to the main communication module.
In some embodiments, the identification information of the second cell may be a location number of the second cell, a physical cell identification PCI, or other information capable of uniquely identifying the second cell, which is not specifically limited in this embodiment.
In some embodiments, as shown in fig. 3, the secondary communication module selects the appropriate second cell as follows:
step S121: measuring signal strength and/or signal quality of neighbor cells of the first cell;
step S122: and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
And the terminal measures the signal strength and/or the signal quality of the adjacent cells of the first cell, performs sequencing according to the signal strength and/or the signal quality, selects an optimal target cell, namely the adjacent cell with the maximum signal strength and/or signal quality, and determines the optimal target cell as a second cell.
Step S130: and the main communication module realizes the connection with the base station of the second cell according to the identification information of the second cell.
And the main communication module establishes connection with the base station of the second cell according to the identification information of the second cell to complete cell switching.
In combination with the above, the main communication module and the auxiliary communication module are connected to the base station through dual logical channels (a service channel and a common channel), the main communication module prohibits the transmission of common information, the auxiliary communication module prohibits the transmission of data information, and the main communication module and the auxiliary communication module complete the transmission of common information and data information together.
In the prior art, when cell switching occurs, the main communication module realizes cell switching and service data transmission, which results in reduction of service data throughput rate. In the embodiment of the application, the main communication module sends the cell switching request message to the auxiliary communication module, and the auxiliary communication module realizes cell switching, so that service data transmission of the main communication module is not influenced, the service data throughput rate is improved, and the user experience is improved.
In some embodiments, the main communication module and the auxiliary communication module are presented as a whole to the outside, and the inside is composed of dual modules. The main communication module and the auxiliary communication module are arranged in the same terminal, and an SIM card is arranged in the terminal to realize communication with the base station. Therefore, the IMSI information (international mobile subscriber identity) of the primary communication module and the secondary communication module is the same.
In some embodiments, the common information primarily comprises measurement reports when a cell handover occurs. The measurement report may include Signal strength, Signal quality, current transmission Power of the terminal, RSRP (Reference Signal Receiving Power), and the like of the currently connected first cell. The secondary communication module mainly processes the measurement report related to cell handover.
It should be noted that, in a normal communication scenario (cell handover does not occur), the primary communication module may also process some common information, such as SIB information, that occupies less channel resources. The common information related to cell handover is processed by the secondary communication module only when cell handover occurs.
In some embodiments, the connection mode of the main communication module and the auxiliary communication module may be a serial port connection, or may be other communication connection modes, for example, a PCIe bus connection, which is not specifically limited in this embodiment. Taking a serial port as an example, the primary communication module sends a cell switching request message to the secondary communication module through the serial port. And the auxiliary communication module transmits the identification information of the second cell to the main communication module through the serial port.
In a second aspect, an embodiment of the present application provides a wireless communication terminal. The wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection. As shown in fig. 1, the primary communication module performs data information transmission with the base station through a traffic channel, and the secondary communication module performs common information transmission with the base station through a common channel.
When the signal strength and/or the signal quality of a first cell connected currently is smaller than a first preset threshold, the primary communication module is used for sending a cell switching request message to the secondary communication module;
the auxiliary communication module is used for receiving the cell switching request message, selecting a proper second cell and transmitting the identification information of the second cell to the main communication module;
the primary communication module is further configured to implement connection with the base station of the second cell according to the identification information of the second cell.
For a specific operation process of the wireless communication terminal, please refer to the description of the first aspect, which is not described herein again.
In some embodiments, the secondary communication module selects the appropriate second cell as follows:
measuring signal strength and/or signal quality of neighbor cells of the first cell;
and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
In some embodiments, the main communication module and the auxiliary communication module are presented as a whole to the outside, and the inside is composed of dual modules. The main communication module and the auxiliary communication module are arranged in the same terminal, and an SIM card is arranged in the terminal to realize communication with the base station. Therefore, the IMSI information (international mobile subscriber identity) of the primary communication module and the secondary communication module is the same.
In some embodiments, the common information primarily comprises measurement reports when a cell handover occurs. The measurement report may include Signal strength, Signal quality, current transmission Power of the terminal, RSRP (Reference Signal Receiving Power), and the like of the currently connected first cell. The secondary communication module mainly processes the measurement report related to cell handover.
It should be noted that, in a normal communication scenario (cell handover does not occur), the primary communication module may also process some common information, such as SIB information, that occupies less channel resources. The common information related to cell handover is processed by the secondary communication module only when cell handover occurs.
In some embodiments, the connection mode of the main communication module and the auxiliary communication module may be a serial port connection, or may be other communication connection modes, for example, a PCIe bus connection, which is not specifically limited in this embodiment. Taking a serial port as an example, the primary communication module sends a cell switching request message to the secondary communication module through the serial port. And the auxiliary communication module transmits the identification information of the second cell to the main communication module through the serial port.
The following describes the wireless communication method in detail based on a cell change scenario:
first, the principle of cell handover will be explained: the cell switching is controlled by the base station, and the base station has threshold values of measurement events such as A1 and A2. In a cell handover scenario, a terminal starts measurement and analyzes a large amount of measurement reports (common information) during a cell handover process. The measurement report may include Signal strength, Signal quality, current transmission Power of the terminal, RSRP (Reference Signal Receiving Power), and the like of the current cell. Taking RSRP as an example, once it is found that RSRP detected by the terminal is poor, the air interface measurement switch is started, and at this time, a large number of uplink measurement reports may flow into the channel, occupy air interface resources, and affect the transmission rate of service data until the base station and the network node MME complete handover. When the RSRP is very good after switching, e.g. below the a1 threshold, the measurement switch is closed.
As shown in fig. 4, the primary communication module generates an RRC connection request, and passes the RRC connection request through a serial port to the secondary communication module, the secondary communication module sends the RRC connection request to a current base station a (a base station of the first cell) to request to access the network, and the current base station a allocates a radio resource for the terminal. And when the signal strength and/or the signal quality of the first cell is less than a first preset threshold value, the auxiliary communication module uploads a measurement report to the current base station A through a common channel. The current base station a sends a handover request to the network node MME. And the network node MME returns a switching confirmation to the current base station A. The main communication module sends a cell switching request message to the auxiliary communication module through the serial port. The auxiliary communication module receives the cell switching request message and selects a proper second cell, and simultaneously transmits the identification information of the second cell to the main communication module through the serial port. The main communication module initiates RRC channel reconfiguration to a target base station B (a base station of the second cell) according to the identification information of the second cell, establishes connection with the target base station B, and the target base station B reports the completion of switching to a network node MME to complete switching to the second cell. And after the switching is finished, the main communication module and the target base station B carry out service data transmission.
In a third aspect, an embodiment of the present application provides a readable storage medium, which stores a program that, when executed by a processor, implements the steps of the wireless communication method as described above.
One of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.
The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, such as the combination of technical features between various embodiments, or the direct or indirect application to other related technical fields, are included in the scope of the present application.
In addition, although the terms "first, second, third, etc. are used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well. The terms "or" and/or "are to be construed as inclusive or meaning any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

Claims (10)

1. A wireless communication method is applied to a wireless communication terminal, the wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a traffic channel, and the auxiliary communication module transmits common information with the base station through a common channel, the method comprises the following steps:
when the signal intensity and/or the signal quality of a first cell connected currently is smaller than a first preset threshold value, the main communication module sends a cell switching request message to the auxiliary communication module;
the auxiliary communication module receives the cell switching request message, selects a proper second cell and transmits the identification information of the second cell to the main communication module;
and the main communication module realizes the connection with the base station of the second cell according to the identification information of the second cell.
2. The wireless communication method according to claim 1, wherein the receiving, by the secondary communication module, the cell handover request and selecting a suitable second cell specifically includes:
measuring signal strength and/or signal quality of neighbor cells of the first cell;
and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
3. The wireless communication method according to claim 1, wherein the IMSI information of the primary communication module and the secondary communication module is the same.
4. The wireless communication method of claim 1, wherein the common information comprises a measurement report, and wherein the measurement comprises at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
5. The wireless communication method according to any one of claims 1 to 4, wherein the connection mode between the main communication module and the auxiliary communication module is serial connection.
6. A wireless communication terminal is characterized by comprising a main communication module and an auxiliary communication module which are in communication connection, wherein the main communication module transmits data information with a base station through a service channel, and the auxiliary communication module transmits common information with the base station through a common channel;
when the signal strength and/or the signal quality of a first cell connected currently is smaller than a first preset threshold, the primary communication module is configured to send a cell switching request message to the secondary communication module;
the auxiliary communication module is used for receiving the cell switching request message, selecting a proper second cell and transmitting the identification information of the second cell to the main communication module;
the primary communication module is further configured to implement connection with the base station of the second cell according to the identification information of the second cell.
7. The wireless communication terminal of claim 6, wherein the secondary communication module is specifically configured to:
measuring signal strength and/or signal quality of neighbor cells of the first cell;
and determining the adjacent cell with the maximum signal strength and/or signal quality as the second cell.
8. The wireless communication terminal of claim 6, wherein the IMSI information of the primary communication module and the secondary communication module is the same.
9. The wireless communication terminal according to any of claims 6 to 8, wherein the common information comprises a measurement report, wherein the measurement comprises at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a program which, when executed by a processor, implements the steps of the wireless communication method according to any one of claims 1 to 5.
CN202110812230.8A 2021-07-19 2021-07-19 Wireless communication method, wireless communication terminal, and storage medium Active CN113596946B (en)

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WO2015037937A1 (en) * 2013-09-12 2015-03-19 인텔렉추얼디스커버리 주식회사 Method for searching for wireless lan and mobile terminal supporting same
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