CN113286358A - Network registration method, device, terminal and computer readable storage medium - Google Patents
Network registration method, device, terminal and computer readable storage medium Download PDFInfo
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- CN113286358A CN113286358A CN202010104815.XA CN202010104815A CN113286358A CN 113286358 A CN113286358 A CN 113286358A CN 202010104815 A CN202010104815 A CN 202010104815A CN 113286358 A CN113286358 A CN 113286358A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The application relates to a network registration method, a network registration device, a terminal and a computer device readable storage medium. The method comprises the following steps: acquiring frequency band information supported by a terminal; determining a frequency band in the frequency band information, in which the terminal does not support uplink, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink; setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel; and performing network registration according to the set carrier aggregation combination and the frequency band information. By adopting the method, the problem of registration failure caused by using a frequency band which does not support uplink to send data signals to the base station can be avoided.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a network registration method, an apparatus, a terminal, and a computer-readable storage medium.
Background
With the development of computer communication technology, users can upload or download resource files through a network, thereby realizing resource sharing. When a mobile terminal supporting carrier aggregation registers in a network, generally, frequency bands in all carrier aggregation combinations supported by the terminal are set as uplink to complete network registration. The Carrier Aggregation combination may be a CA (Carrier Aggregation) combination or a MIMO (Multiple-Input Multiple-Output) combination. But the frequency bands supported by different types of terminals may not be the same.
Due to the limitation of the frequency band that the terminal can support, search registration cannot be performed, resulting in registration failure.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a network registration method, apparatus, terminal and computer device readable storage medium capable of solving registration failure caused by limitation of frequency bands supported by the terminal.
A method of network registration, the method comprising:
acquiring frequency band information supported by a terminal;
determining a frequency band in the frequency band information, in which the terminal does not support uplink, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
In one embodiment, after the obtaining of the frequency band information supported by the terminal, the method further includes:
determining a carrier aggregation combination corresponding to the frequency band information;
determining whether a conflict exists between an uplink channel in a first frequency band and a downlink channel in a second frequency band, wherein the first frequency band and the second frequency band are frequency bands in frequency band information supported by the terminal;
when a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band, setting the uplink channel in the first frequency band as a downlink channel;
and performing network registration according to the carrier aggregation combination and the frequency band information after the channel is set.
In one embodiment, the determining whether there is a collision between an uplink channel in the first frequency band and a downlink channel in the second frequency band includes:
determining the same radio frequency device through which an uplink channel in a first frequency band and a downlink channel in a second frequency band simultaneously pass;
when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with a first position and a second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band;
the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position.
In one embodiment, the determining whether there is a collision between an uplink channel in the first frequency band and a downlink channel in the second frequency band further includes:
when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device and the same radio frequency device is communicated with the same position, no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; and the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position.
In one embodiment, the obtaining of the frequency band information supported by the terminal includes:
determining the type of the terminal;
acquiring a mapping relation table, wherein the type of a terminal and a supported frequency band are recorded in the mapping relation table;
and determining the frequency band information supported by the terminal from the mapping relation table according to the type of the terminal.
In one embodiment, the mapping relationship table further records a mapping relationship between frequency bands supported by the terminal and carrier aggregation combinations; the determining the carrier aggregation combination corresponding to the frequency band which does not support uplink includes:
and searching a corresponding carrier aggregation combination from the mapping relation table according to the frequency band of which the terminal does not support uplink.
In one embodiment, the performing network registration according to the set carrier aggregation combination and the frequency band information includes:
generating a configuration file and a selection table according to the set carrier aggregation combination and the frequency band information supported by the terminal; the configuration file comprises frequency band information supported by the terminal and a corresponding carrier aggregation combination, and the selection table comprises an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal;
determining an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file in the selection table;
and registering according to the uplink channel and the downlink channel which correspond to the carrier aggregation combination in the configuration file.
A network registration apparatus, the apparatus comprising:
the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring frequency band information supported by the terminal;
a determining module, configured to determine a frequency band in the frequency band information, where the terminal does not support uplink, and determine a carrier aggregation combination corresponding to the frequency band not supporting uplink;
a setting module, configured to set a channel in the frequency band that does not support uplink in the carrier aggregation combination as a downlink channel:
and the registration module is used for performing network registration according to the set carrier aggregation combination and the frequency band information.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
acquiring frequency band information supported by a terminal;
determining a frequency band in the frequency band information, in which the terminal does not support uplink, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
acquiring frequency band information supported by a terminal;
determining a frequency band in the frequency band information, in which the terminal does not support uplink, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
According to the network registration method, the network registration device, the terminal and the readable storage medium of the computer device, the frequency band information supported by the terminal is obtained, the frequency band in the frequency band information, which does not support uplink, is determined, and the carrier aggregation combination corresponding to the frequency band which does not support uplink is determined, so that the frequency band which does not support uplink by the terminal exists in the carrier aggregation combinations supported by the terminal can be determined. The method comprises the steps of setting a channel in a frequency band which does not support uplink in a carrier aggregation combination as a downlink channel, and performing network registration according to the set carrier aggregation combination and frequency band information, so that the channels in the frequency band which does not support signal transmission can be set as channels for receiving signals, and the problem of registration failure caused by the fact that a data signal is transmitted to a base station by using the frequency band which does not support uplink is solved.
Drawings
FIG. 1 is a diagram of an application environment of a network registration method in one embodiment;
FIG. 2 is a flow diagram illustrating a method for network registration in one embodiment;
FIG. 3 is a flowchart illustrating a network registration method according to another embodiment;
fig. 4 is a flowchart illustrating a network registration procedure according to configured carrier aggregation combination and frequency band information in another embodiment;
fig. 5 is a schematic diagram illustrating a processed uplink unsupported frequency band of the terminal in an embodiment;
FIG. 6 is a diagram illustrating the processing of channels with collisions in one embodiment;
FIG. 7 is a block diagram of a network registration apparatus in one embodiment;
FIG. 8 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The network registration method provided by the embodiment of the application can be applied to the application environment shown in fig. 1. The terminal 102 supporting CA carrier aggregation is connected to the base station 104 through LTE random access, and then the LTE network speed is increased through the CA carrier aggregation process. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices. The base station refers to a public mobile communication base station, and information can be transmitted between a mobile communication switching center and a mobile phone terminal in a certain radio coverage area.
LTE-a (Long Term Evolution-Advanced ) is an Evolution standard of The next stage of Long Term Evolution technology of The UMTS (universal mobile Telecommunications System) technology standard, which is customized by The 3GPP (The 3rd generation Partnership Project) organization.
CA (Carrier Aggregation) is a technology for increasing transmission bandwidth in an LTE-a (LTE-Advanced) system, and can aggregate a plurality of LTE Carrier elements CC (component carriers) together to realize a maximum transmission bandwidth, and effectively provide uplink and downlink transmission rates by increasing bandwidth resources of a physical layer. 2 CC aggregation of 20M + MIMO (Multi-Input & Multi-Output), FDD (Frequency division duplex) mode, can greatly improve the throughput of the transmission bandwidth.
In this embodiment, when the terminal 102 is powered on or a Subscriber Identity Module (SIM) card is inserted, the terminal searches for a network to perform network registration. The terminal 102 obtains the frequency band information supported by itself and determines that the terminal itself does not support the uplink frequency band in the frequency band information. And then, the terminal determines the carrier aggregation combination corresponding to the unsupported frequency band information. The terminal 102 determines each channel in the frequency band that is not supported by itself, and each frequency band may include an uplink channel and a downlink channel. The terminal 102 sets all the uplink channels existing in the frequency band that is not supported by itself as downlink channels. Then, the terminal 102 transmits the set carrier aggregation combination and the supported frequency band information to the base station 104. The base station 104 verifies the carrier aggregation combination and the supported frequency band information sent by the terminal 102, and allows the terminal 102 to camp on the network after the verification is successful, thereby completing the network registration of the terminal 102. The terminal sets the uplink channel in the frequency band which does not support uplink as the downlink channel, thereby avoiding the problem of registration failure caused by the fact that the frequency band of the terminal does not support uplink.
In an embodiment, as shown in fig. 2, a network registration method is provided, which is described by taking the application of the method to the terminal in fig. 1 as an example, and includes the following steps:
The frequency band is a band into which radio waves are divided according to frequency. The frequency band information includes at least two frequency bands.
Specifically, the frequencies of radio waves that can be used are different for different types of terminals due to differences in hardware, configuration, and the like. The terminal can detect the configuration of the terminal itself and determine the type of the terminal itself, so as to determine the supported frequency band according to the type of the terminal itself. And integrates all frequency bands which can be supported by the terminal into frequency band information.
One terminal may correspond to a plurality of carrier aggregation combinations, one carrier aggregation combination may include a plurality of frequency bands, and one frequency band may include an uplink channel and a downlink channel. The Uplink Channel is a Physical Uplink Control Channel (PUCCH) or a Physical Uplink Shared Channel (PUSCH). The uplink channel is used for the terminal to send signals to the base station. The Downlink Channel is a Physical Downlink Control Channel (PDCCH), a Physical Downlink Shared Channel (PDSCH), or a Physical Broadcast Channel (PBCH). The downlink channel is used for the terminal to receive signals from the base station.
The frequency band in which the terminal does not support uplink refers to that the terminal cannot use the frequency band to send signals to the base station, that is, the terminal cannot use an uplink channel in the frequency band in which the terminal does not support uplink. The frequency bands that can be supported by different types of terminals may be different, and some terminals may only use the supported frequency bands for transmitting signals or only for receiving signals, but cannot simultaneously implement transmission and reception of signals in one frequency band.
Specifically, after determining each frequency band that the terminal can support, the terminal determines which frequency bands in the frequency band information can only be used for transmitting signals and cannot receive signals, that is, the terminal does not support a downlink frequency band; which frequency bands can only be used for receiving signals and cannot transmit signals, i.e. the terminal does not support uplink frequency bands. Further, the terminal may also determine which frequency bands in the frequency band information can receive signals and transmit signals, that is, the terminal supports both uplink and downlink frequency bands.
The terminal acquires the frequency band which can only be used for receiving signals and cannot be used for sending signals in the frequency band information. Further, the terminal may determine carrier aggregation combination information corresponding to the terminal, where the carrier aggregation combination information includes each carrier aggregation combination supported by the terminal. Then, the terminal determines which carrier aggregation combination supported by the terminal exists in the frequency band which can only be used for receiving signals but cannot be used for transmitting signals, so that the terminal can be determined not to support the carrier aggregation combination corresponding to the uplink frequency band.
It can be understood that there may be multiple frequency bands in which the terminal does not support uplink, and the terminal determines a carrier aggregation combination corresponding to each frequency band in which the terminal does not support uplink. There may be multiple carrier aggregation combinations for a frequency band, that is, each frequency band may correspond to multiple carrier aggregation combinations. The plurality each refers to at least two.
Specifically, one frequency band includes an uplink channel and a downlink channel. The terminal acquires an uplink channel in a frequency band which does not support uplink in the carrier aggregation combination, and changes the uplink channel into a downlink channel, so that the uplink channel does not exist in the frequency band which does not support uplink, and the uplink channel is a downlink channel.
And step 208, performing network registration according to the set carrier aggregation combination and the frequency band information.
Specifically, the terminal obtains the set carrier aggregation combination, and obtains other carrier aggregation combinations that do not need to be set and are supported by the terminal. And transmitting the carrier aggregation combination and the frequency band information supported by the terminal to a base station through corresponding channels to realize network registration.
In the network registration method, the frequency band information supported by the terminal is acquired, the frequency band in which the terminal does not support uplink is determined in the frequency band information, and the carrier aggregation combination corresponding to the frequency band in which the terminal does not support uplink is determined, so that the frequency band in which the terminal does not support uplink is determined to exist in the carrier aggregation combinations supported by the terminals. The method comprises the steps of setting a channel in a frequency band which does not support uplink in a carrier aggregation combination as a downlink channel, and performing network registration according to the set carrier aggregation combination and frequency band information, so that the channels in the frequency band which does not support signal transmission can be set as channels for receiving signals, and the problem of registration failure caused by the fact that a data signal is transmitted to a base station by using the frequency band which does not support uplink is solved.
In an embodiment, as shown in fig. 3, after the obtaining of the frequency band information supported by the terminal, the method further includes:
Specifically, the frequencies of radio waves that can be used are different for different types of terminals due to differences in hardware, configuration, and the like. The terminal can detect the configuration of the terminal itself and determine the type of the terminal itself, thereby determining the frequency bands that can be supported according to the type of the terminal itself and integrating all the frequency bands that can be supported by the terminal itself into frequency band information.
Then, the terminal may determine each carrier aggregation combination supported by itself, and determine which supported carrier aggregation combinations exist in each supported frequency band, so as to obtain the carrier aggregation combination corresponding to each frequency band in the frequency band information.
The collision between the uplink channel and the downlink channel refers to a collision that occurs when the uplink channel transmits a data signal and the downlink channel receives the data signal, but the reception and transmission of the data signal cannot be simultaneously performed at the same time. The first frequency band and the second frequency band both belong to frequency bands in frequency band information supported by the terminal.
Specifically, the terminal may select one frequency band in the frequency band information as the first frequency band, and then use other frequency bands except the first frequency band as the second frequency band. Then, the terminal acquires the uplink channel in the first frequency band, acquires the downlink channel in the second frequency band, and compares the uplink channel in the first frequency band with the downlink channels in the second frequency bands one by one to determine whether a conflict exists between the uplink channel and the downlink channel.
Further, when there are multiple uplink channels, the terminal may select one uplink channel to compare with each downlink channel of the second frequency band, and determine whether there is a collision.
And when the selected uplink channel conflicts with a downlink channel in a second frequency band, the terminal sets the selected uplink channel as the downlink channel. Then, the terminal selects an uplink channel again from the first frequency band, and performs the same processing. And when the selected uplink channel does not conflict with each downlink channel in each second frequency band, continuing to select the uplink channel again from the first frequency band, and performing the same processing until the uplink channel in the first frequency band is compared with each downlink channel in each second frequency band and is correspondingly processed, and then finishing the processing.
Then, the terminal may select one frequency band from the plurality of second frequency bands as the first frequency band, and perform a step of determining whether there is a collision between an uplink channel in the first frequency band and a downlink channel in the second frequency band, and when there is a collision, setting the uplink channel in the first frequency band as the downlink channel.
It can be understood that the first frequency band which has been compared and processed does not participate in the comparison and processing of the next round. And the uplink channel of the first frequency band is compared with the downlink channels of the rest second frequency bands and is correspondingly processed. And stopping executing the step of determining whether the conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band until only the last second frequency band exists and the last first frequency band and the second frequency band are compared and correspondingly processed.
Similarly, the terminal may select one frequency band in the frequency band information as the second frequency band, and the other frequency bands except the second frequency band are the first frequency band. The execution principle is the same as the above process, and is not described herein again.
And 308, performing network registration according to the carrier aggregation combination and the frequency band information after the channel is set.
Specifically, the terminal obtains the set carrier aggregation combination, and obtains other carrier aggregation combinations that do not need to be set and are supported by the terminal. And transmitting the carrier aggregation combination and the frequency band information supported by the terminal to a base station through corresponding channels to realize network registration.
In this embodiment, it is determined whether a conflict exists between an uplink channel in a first frequency band and a downlink channel in a second frequency band by determining a carrier aggregation combination corresponding to the frequency band information, where the first frequency band and the second frequency band are frequency bands in the frequency band information supported by the terminal, so as to determine whether a registration failure may be caused. When the uplink channel in the first frequency band conflicts with the downlink channel in the second frequency band, the uplink channel in the first frequency band is set as the downlink channel, and network registration is performed according to the carrier aggregation combination after the channel is set and the frequency band information, so that registration failure caused by channel conflict is avoided, and the terminal can perform registration normally.
In one embodiment, the determining whether there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band includes:
determining the same radio frequency device through which an uplink channel in a first frequency band and a downlink channel in a second frequency band simultaneously pass; when an uplink channel in a first frequency band and a downlink channel in a second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with a first position and a second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position.
The first position is the position of the radio frequency device when the uplink channel in the first frequency band transmits the data signal. The radio frequency device is connected with the first position to realize the communication state of the uplink channel, so that the terminal can transmit data to the base station by using the uplink channel. The radio frequency device is connected with the second position to realize the communication state of the downlink channel, so that the terminal can receive the data signal transmitted by the base station by using the downlink channel.
Specifically, the terminal may query the radio frequency devices through which each uplink channel in the first frequency band passes when transmitting the data signal, and query the radio frequency devices through which each downlink channel in each second frequency band passes. On the basis, the terminal can determine the same radio frequency device corresponding to each uplink channel in the first frequency band and each downlink channel in each second frequency band. Then, the terminal can determine that the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, so that the radio frequency device through which the uplink channel in the first frequency band and the downlink channel in the second frequency band cannot simultaneously pass can be eliminated.
The rf device may only be connected to one location at a time. When the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to two different positions, respectively, and the uplink channel in the first frequency band and the downlink channel in the second frequency band pass through the same radio frequency device at the same time, the uplink channel and the downlink channel cannot simultaneously transmit and receive data signals, resulting in a collision between the uplink channel and the downlink channel.
For example, when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device a, the same radio frequency device a can only be connected with the first location or the second location, and does not support simultaneous communication with the first location and the second location, it indicates that a channel collision has occurred between the uplink channel in the first frequency band and the downlink channel in the second frequency band.
In this embodiment, by determining the same radio frequency device through which the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass, when the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with the first position and the second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band, where the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position, it may be quickly and accurately determined which downlink channels may conflict with each other, so as to facilitate subsequent processing of the conflict.
In one embodiment, the determining whether there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band includes:
determining whether an uplink channel in a first frequency band and a downlink channel in a second frequency band pass through the same radio frequency device; when an uplink channel in a first frequency band and a downlink channel in a second frequency band pass through different radio frequency devices, there is no conflict between the uplink channel in the first frequency band and the downlink channel in the second frequency band.
Specifically, the terminal may query the radio frequency devices through which each uplink channel in the first frequency band passes when transmitting the data signal, and query the radio frequency devices through which each downlink channel in each second frequency band passes. When the uplink channel in the first frequency band and the downlink channel in the second frequency band pass through different radio frequency devices, it indicates that there is no conflict between the uplink channel in the first frequency band and the downlink channel in the second frequency band.
In one embodiment, the determining whether there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band further includes:
when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, the same radio frequency device is communicated with the same position, and no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position.
Specifically, the uplink channel in the first frequency band and the downlink channel in the second frequency band may correspond to the same position. And when the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, determining the positions corresponding to the uplink channel in the first frequency band and the downlink channel in the second frequency band respectively. When the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position, it indicates that when the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, the same radio frequency device is communicated with the same position, and then there is no conflict between the uplink channel in the first frequency band and the downlink channel in the second frequency band.
For example, the uplink channel a in the first frequency band and the downlink channel a in the second frequency band both correspond to a position B, and the uplink channel a and the downlink channel a simultaneously pass through the radio frequency device B, and when the radio frequency device B is connected to the position B, it indicates that the uplink channel a and the downlink channel a can simultaneously maintain a connected state, and there is no conflict between the uplink channel a and the downlink channel a.
In this embodiment, when the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position, and when the uplink channel and the downlink channel simultaneously pass through the same rf device, the same rf device is communicated with the same position, and there is no collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band, it may be determined whether there is a collision between the channels quickly and accurately.
In one embodiment, the determining whether there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band further includes:
when the uplink channel in the first frequency band and the downlink channel in the second frequency band pass through the same radio frequency device non-simultaneously, no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band.
Specifically, the terminal may determine whether an uplink channel in the first frequency band and a downlink channel in the second frequency band pass through the same radio frequency device. When passing through the same radio frequency device, it is determined whether the same radio frequency device is simultaneously passed. When the uplink channel in the first frequency band and the downlink channel in the second frequency band do not simultaneously pass through the same radio frequency device, it can be determined that no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band. The embodiment can quickly and accurately judge whether the uplink and downlink channels of different frequency bands conflict or not.
In one embodiment, the obtaining of the frequency band information supported by the terminal includes: determining the type of the terminal; acquiring a mapping relation table, wherein the type of a terminal and a supported frequency band are recorded in the mapping relation table; and determining the frequency band information supported by the terminal from the mapping relation table according to the type of the terminal.
The type of the terminal is a type divided according to the model of the terminal, the hardware configuration, and the like. The frequency bands supported by different types of terminals may not be the same.
Specifically, the terminal records carrier aggregation combinations respectively supported by different types of terminals and frequency bands respectively supported by different types of terminals in advance, and generates and stores a mapping relationship table according to the relationship among the type of the terminal, the carrier aggregation combination and the supported frequency bands.
When the terminal is started or the terminal detects the insertion of the SIM card, the terminal detects the information of the model, the hardware configuration and the like of the terminal to obtain the type of the terminal. And then, the terminal acquires a pre-stored mapping relation table, and searches the frequency band corresponding to the type of terminal in the mapping relation table. One terminal may correspond to multiple frequency bands, and the terminal integrates the multiple frequency bands corresponding to the terminal into frequency band information, so that the frequency band information supported by the terminal can be obtained.
In this embodiment, the type of the terminal is determined, a mapping relationship table is obtained, the type of the terminal and the supported frequency bands are recorded in the mapping relationship table, and the frequency band information supported by the terminal is determined from the mapping relationship table according to the type of the terminal, so that the frequency band information that the terminal can support can be quickly obtained according to the pre-stored mapping relationship table, so as to accelerate the network registration.
In one embodiment, the mapping relationship table further records a mapping relationship between frequency bands supported by the terminal and carrier aggregation combinations; the determining the carrier aggregation combination corresponding to the frequency band that does not support uplink includes:
and searching the corresponding carrier aggregation combination from the mapping relation table according to the frequency band of which the terminal does not support uplink.
Specifically, one carrier aggregation combination may include a plurality of frequency bands, and one frequency band may exist in a plurality of carrier aggregation combinations. The mapping table also records the mapping relationship between the frequency bands supported by the terminal and the carrier aggregation combination. After the terminal determines the frequency band information supported by itself, the carrier aggregation combination corresponding to each frequency band in the frequency band information can be searched from the mapping relation table. Further, after determining that the terminal does not support the uplink frequency band, the terminal may search the mapping relationship table for the carrier aggregation combination corresponding to the unsupported frequency band.
In this embodiment, the carrier aggregation combination corresponding to the frequency band that does not support uplink can be directly searched through the pre-stored relational mapping table, the search mode is simple, convenient and accurate, and the network registration efficiency is improved.
In one embodiment, as shown in fig. 4, the network registration according to the set carrier aggregation combination and the frequency band information includes:
The configuration file includes frequency band information supported by the terminal and a corresponding carrier aggregation combination, and the selection table includes an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal.
Specifically, the terminal generates the configuration file according to the carrier aggregation combination after the setting, other carrier aggregation combinations supported by the terminal and not required to be set, and the frequency band information supported by the terminal. Further, the terminal generates a configuration file according to a mapping relation between each frequency band in the supported frequency band information and the carrier aggregation combination.
And after the terminal changes the uplink channel in the frequency band which does not support the uplink into the downlink channel, all the frequency bands which do not support the uplink are the downlink channels. The terminal generates a selection table according to the supported frequency band and the uplink channel and the downlink channel included in the frequency band. Further, the terminal generates the selection table according to the downlink channel in the frequency band after the channel is changed, and the uplink channel and the downlink channel in other frequency bands which are supported by the terminal and have no channel collision. The selection table includes uplink channels and downlink channels corresponding to each frequency band in the frequency band information supported by the terminal.
In this embodiment, when the terminal causes a conflict between the uplink channel in the first frequency band and the downlink channel in the second frequency band, the terminal sets the uplink channel in the first frequency band as the downlink channel. And then, the terminal generates a configuration file according to the corresponding relation between the set carrier aggregation combination and other carrier aggregation combinations which are supported by the terminal and do not need to be set and each frequency band in the supported frequency band information.
And after the terminal changes the uplink channel with channel conflict into the downlink channel, the terminal generates a selection table according to the supported frequency band and the uplink channel and the downlink channel contained in the frequency band.
Specifically, the configuration file includes a frequency band supported by the terminal and a corresponding carrier aggregation combination, and the selection table includes an uplink channel and a downlink channel corresponding to the frequency band supported by the terminal. The terminal may determine the uplink channel and the downlink channel corresponding to the carrier aggregation combination in the configuration file from the selection table.
Specifically, the terminal sends the carrier aggregation combination in the configuration file to the base station according to the corresponding uplink channel, and receives the data signals returned by the base station from the corresponding downlink channel, respectively, so as to implement network registration.
In this embodiment, a configuration file and a selection table are generated according to a set carrier aggregation combination and frequency band information supported by the terminal, where the configuration file includes the frequency band information supported by the terminal and a corresponding carrier aggregation combination, the selection table includes an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal, an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file are determined in the selection table, and registration is performed according to the uplink channel and the downlink channel corresponding to the carrier aggregation combination in the configuration file, so that a problem of registration failure caused by the existence of a frequency band in which the terminal does not support uplink can be solved. And the problem of registration failure caused by conflict between the uplink channel and the downlink channel in different frequency bands is solved, so that the terminal can smoothly register the network.
Fig. 5 is a schematic diagram illustrating a processed uplink frequency band that is not supported by the terminal in one embodiment. As shown in fig. 5, for example, CA combination 2a2_46a2_66a2, tx (transport), indicates transmission or upload. Rx (receive), indicating reception or download. The terminal does not support the uplink frequency band as LTE B46, that is, LTE B46 cannot be used as TX. Fig. 5 (a) is a partial schematic view of the selection table. Only the frequency bands and the corresponding carrier aggregation combinations that can be supported by the terminal are recorded in the selection table. "FALSE, is _ rx" shown in fig. 5 (a) indicates TX, i.e., SYS _ BAND _ LTE _ EUTRAN _ BAND2 can be determined as an uplink channel. Similarly, "FALSE, is _ rx" indicates that SYS _ BAND _ LTE _ EUTRAN _ BAND66 is an uplink channel. The rest are used as downlink channels.
Fig. 5 (b) is a partial schematic diagram of a configuration file. Only the frequency bands and corresponding channels that can be supported by the terminal are configured in the configuration file. DL in the profile is downlink and UL is uplink, and the profile describes uplink and downlink channels supported by the terminal in the 2 CA combinations. 2A {1} indicates that there is one uplink in the CA combination, namely SYS _ BAND _ LTE _ EUTRAN _ BAND 2. 66A {1} indicates that there is one uplink in the CA combination, namely SYS _ BAND _ LTE _ EUTRAN _ BAND 2. 2A {2} +46A {2} +66A {2} indicates that there are 6 downlinks in the CA combination. When registering the LIT network, the terminal may select the combination of 2A {1} +2A {2} +46A {2} +66A {2} to register, or may select the combination of 66A {1} +2A {2} +46A {2} +66A {2} to register.
Fig. 6 is a schematic diagram of an embodiment of processing conflicts between uplink channels and downlink channels in different frequency bands. For example, CA combination 7a2_20a2_38a2, where there is channel collision between the uplink channel of LTE B7 and the downlink channel of B38, and between the downlink channel of LTE B7 and the uplink channel of B38, only LTE B20 can be used as uplink, and the other two frequency bands are used as downlink.
Fig. 6 (a) shows a selection table generated after the channel collision is resolved. Fig. 6 (b) shows a configuration file generated after the channel collision is resolved. 20A {1} indicates that there is an upstream row in the CA combination, namely B20 as the upstream row. 7A {2} +20A {2} +38A {2} indicates that there are 6 downlinks in the CA combination, and the terminal can register the LTE network through the combination of 20A {1} +7A {2} +20A {2} +38A {2 }. The problem of unsuccessful registration is avoided by configuring the channel which can not be used as an uplink channel as a downlink channel.
In one embodiment, a network registration method is provided, which includes:
the terminal determines the type of the terminal; and acquiring a mapping relation table, wherein the mapping relation table records the type of the terminal and the supported frequency band, and records the carrier aggregation combination corresponding to the terminal from the supported frequency band.
And then, the terminal determines the frequency band information supported by the terminal from the mapping relation table according to the type of the terminal.
Then, the terminal determines the carrier aggregation combination corresponding to the frequency band information supported by the terminal from the mapping relation table.
Further, the terminal determines that the uplink channel in the first frequency band and the downlink channel in the second frequency band pass through the same radio frequency device at the same time, and the first frequency band and the second frequency band are frequency bands in the frequency band information supported by the terminal.
Optionally, when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with the first location and the second location, a collision exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position.
Optionally, when the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device is communicated with the same position, there is no conflict between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position.
Then, when there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band, the uplink channel in the first frequency band is set as the downlink channel.
Then, carrying out the following steps; generating a configuration file and a selection list according to the set carrier aggregation combination and the frequency band information supported by the terminal; the configuration file includes frequency band information supported by the terminal and a corresponding carrier aggregation combination, and the selection table includes an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal.
Further, the terminal determines an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file in the selection table.
And then, the terminal registers according to the uplink channel and the downlink channel corresponding to the carrier aggregation combination in the configuration file.
In this embodiment, by determining the type of the terminal, the frequency band supported by the terminal and the carrier aggregation combination corresponding to the supported frequency band can be quickly obtained from the mapping relationship table. When the uplink channel in the frequency band supported by the terminal conflicts with the downlink channel in another supported frequency band, the uplink channel is changed into the downlink channel, so that the problem of registration failure caused by channel conflict is solved. And generating a selection table and a configuration file by the frequency band after channel conflict is solved, the uplink channel and the downlink frequency band corresponding to the frequency band and the carrier aggregation combination corresponding to the frequency band, so that the carrier aggregation combination, the supported frequency band and the uplink and downlink channel which can be supported by the terminal can be recorded. Therefore, the supported carrier aggregation combination can be sent to the base station through the uplink and downlink channels supporting the frequency band, so as to complete the registration of the LTE network.
It should be understood that although the various steps in the flow charts of fig. 2-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 7, there is provided a network registration apparatus, including: an obtaining module 702, a determining module 704, a setting module 706, and a registering module 708, wherein:
an obtaining module 702 is configured to obtain frequency band information supported by a terminal.
A determining module 704, configured to determine a frequency band in the frequency band information that the terminal does not support uplink, and determine a carrier aggregation combination corresponding to the frequency band that does not support uplink.
A setting module 706, configured to set a channel in the frequency band that does not support uplink in the carrier aggregation combination as a downlink channel.
A registering module 708, configured to perform network registration according to the set carrier aggregation combination and the frequency band information.
According to the network registration device, the frequency band information supported by the terminal is obtained, the frequency band in which the terminal does not support uplink is determined in the frequency band information, and the carrier aggregation combination corresponding to the frequency band in which the terminal does not support uplink is determined, so that the frequency band in which the terminal does not support uplink is determined to exist in the carrier aggregation combinations supported by the terminals. The method comprises the steps of setting a channel in a frequency band which does not support uplink in a carrier aggregation combination as a downlink channel, and performing network registration according to the set carrier aggregation combination and frequency band information, so that the channels in the frequency band which does not support signal transmission can be set as channels for receiving signals, and the problem of registration failure caused by the fact that a data signal is transmitted to a base station by using the frequency band which does not support uplink is solved.
In one embodiment, the determining module 704 is further configured to: and determining the carrier aggregation combination corresponding to the frequency band information.
The setup module 706 is further configured to: determining whether a conflict exists between an uplink channel in a first frequency band and a downlink channel in a second frequency band, wherein the first frequency band and the second frequency band are frequency bands in frequency band information supported by the terminal; and when the uplink channel in the first frequency band conflicts with the downlink channel in the second frequency band, setting the uplink channel in the first frequency band as the downlink channel.
The registration module 708 is further configured to: and performing network registration according to the carrier aggregation combination and the frequency band information after the channel is set.
In this embodiment, it is determined whether a conflict exists between an uplink channel in a first frequency band and a downlink channel in a second frequency band by determining a carrier aggregation combination corresponding to the frequency band information, where the first frequency band and the second frequency band are frequency bands in the frequency band information supported by the terminal, so as to determine whether a registration failure may be caused. When the uplink channel in the first frequency band conflicts with the downlink channel in the second frequency band, the uplink channel in the first frequency band is set as the downlink channel, and network registration is performed according to the carrier aggregation combination after the channel is set and the frequency band information, so that registration failure caused by channel conflict is avoided, and the terminal can perform registration normally.
In one embodiment, the setting module 706 is further configured to: determining the same radio frequency device through which an uplink channel in a first frequency band and a downlink channel in a second frequency band simultaneously pass; when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with a first position and a second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position.
In this embodiment, by determining the same radio frequency device through which the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass, when the uplink channel in the first frequency band and the downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with the first position and the second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band, where the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position, it may be quickly and accurately determined which downlink channels may conflict with each other, so as to facilitate subsequent processing of the conflict.
In one embodiment, the setting module 706 is further configured to: when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device is communicated with the same position, no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position.
In this embodiment, when the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position, and when the uplink channel and the downlink channel simultaneously pass through the same rf device, the same rf device is communicated with the same position, and there is no collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band, it may be determined whether there is a collision between the channels quickly and accurately.
In one embodiment, the obtaining module 702 is further configured to: determining the type of the terminal; acquiring a mapping relation table, wherein the type of a terminal and a supported frequency band are recorded in the mapping relation table; and determining the frequency band information supported by the terminal from the mapping relation table according to the type of the terminal.
In this embodiment, the type of the terminal is determined, a mapping relationship table is obtained, the type of the terminal and the supported frequency bands are recorded in the mapping relationship table, and the frequency band information supported by the terminal is determined from the mapping relationship table according to the type of the terminal, so that the frequency band information that the terminal can support can be quickly obtained according to the pre-stored mapping relationship table, so as to accelerate the network registration.
In one embodiment, the mapping relationship table further records a mapping relationship between frequency bands supported by the terminal and carrier aggregation combinations; the determining module 704 is further configured to: and searching the corresponding carrier aggregation combination from the mapping relation table according to the frequency band of which the terminal does not support uplink. The carrier aggregation combination corresponding to the frequency band which does not support uplink can be directly searched through a prestored relational mapping table, the searching mode is simple, convenient and accurate, and the network registration efficiency is improved.
In one embodiment, the registration module 708 is further configured to: generating a configuration file and a selection list according to the set carrier aggregation combination and the frequency band information supported by the terminal; the configuration file comprises frequency band information supported by the terminal and a corresponding carrier aggregation combination, and the selection list comprises an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal; determining an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file in the selection table; and registering according to the uplink channel and the downlink channel which correspond to the carrier aggregation combination in the configuration file.
In this embodiment, a configuration file and a selection table are generated according to a set carrier aggregation combination and frequency band information supported by the terminal, where the configuration file includes the frequency band information supported by the terminal and a corresponding carrier aggregation combination, the selection table includes an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal, an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file are determined in the selection table, and registration is performed according to the uplink channel and the downlink channel corresponding to the carrier aggregation combination in the configuration file, so that a problem of registration failure caused by the existence of a frequency band in which the terminal does not support uplink can be solved. And the problem of registration failure caused by conflict between the uplink channel and the downlink channel in different frequency bands is solved, so that the terminal can smoothly register the network.
For specific limitations of the network registration apparatus, reference may be made to the above limitations of the network registration method, which is not described herein again. The modules in the network registration apparatus may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 8. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a network registration method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 8 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, there is provided a terminal comprising a memory and a processor, the memory having a computer program stored therein, the processor when executing the computer program implementing the steps of:
acquiring frequency band information supported by a terminal;
determining a frequency band which does not support uplink by the terminal in the frequency band information, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring frequency band information supported by a terminal;
determining a frequency band which does not support uplink by the terminal in the frequency band information, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of network registration, the method comprising:
acquiring frequency band information supported by a terminal;
determining a frequency band in the frequency band information, in which the terminal does not support uplink, and determining a carrier aggregation combination corresponding to the frequency band which does not support uplink;
setting a channel in the frequency band which does not support uplink in the carrier aggregation combination as a downlink channel;
and performing network registration according to the set carrier aggregation combination and the frequency band information.
2. The method according to claim 1, wherein after the obtaining of the frequency band information supported by the terminal, the method further comprises:
determining a carrier aggregation combination corresponding to the frequency band information;
determining whether a conflict exists between an uplink channel in a first frequency band and a downlink channel in a second frequency band, wherein the first frequency band and the second frequency band are frequency bands in frequency band information supported by the terminal;
when a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band, setting the uplink channel in the first frequency band as a downlink channel;
and performing network registration according to the carrier aggregation combination and the frequency band information after the channel is set.
3. The method of claim 2, wherein the determining whether there is a collision between the uplink channel in the first frequency band and the downlink channel in the second frequency band comprises:
determining the same radio frequency device through which an uplink channel in a first frequency band and a downlink channel in a second frequency band simultaneously pass;
when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device, and the same radio frequency device does not support simultaneous communication with a first position and a second position, a conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band;
the uplink channel in the first frequency band corresponds to the first position, and the downlink channel in the second frequency band corresponds to the second position.
4. The method of claim 3, wherein determining whether there is a collision between an uplink channel in the first frequency band and a downlink channel in the second frequency band further comprises:
when an uplink channel in the first frequency band and a downlink channel in the second frequency band simultaneously pass through the same radio frequency device and the same radio frequency device is communicated with the same position, no conflict exists between the uplink channel in the first frequency band and the downlink channel in the second frequency band; and the uplink channel in the first frequency band and the downlink channel in the second frequency band correspond to the same position.
5. The method according to any one of claims 1 to 4, wherein the obtaining of the frequency band information supported by the terminal includes:
determining the type of the terminal;
acquiring a mapping relation table, wherein the type of a terminal and a supported frequency band are recorded in the mapping relation table;
and determining the frequency band information supported by the terminal from the mapping relation table according to the type of the terminal.
6. The method according to claim 5, wherein the mapping relationship table further records a mapping relationship between frequency bands supported by the terminal and carrier aggregation combinations; the determining the carrier aggregation combination corresponding to the frequency band which does not support uplink includes:
and searching a corresponding carrier aggregation combination from the mapping relation table according to the frequency band of which the terminal does not support uplink.
7. The method according to any one of claims 1 to 4, wherein the network registration according to the set carrier aggregation combination and the frequency band information includes:
generating a configuration file and a selection table according to the set carrier aggregation combination and the frequency band information supported by the terminal; the configuration file comprises frequency band information supported by the terminal and a corresponding carrier aggregation combination, and the selection table comprises an uplink channel and a downlink channel corresponding to the frequency band information supported by the terminal;
determining an uplink channel and a downlink channel corresponding to the carrier aggregation combination in the configuration file in the selection table;
and registering according to the uplink channel and the downlink channel which correspond to the carrier aggregation combination in the configuration file.
8. A network registration apparatus, the apparatus comprising:
the terminal comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring frequency band information supported by the terminal;
a determining module, configured to determine a frequency band in the frequency band information, where the terminal does not support uplink, and determine a carrier aggregation combination corresponding to the frequency band not supporting uplink;
a setting module, configured to set a channel in the frequency band that does not support uplink in the carrier aggregation combination as a downlink channel:
and the registration module is used for performing network registration according to the set carrier aggregation combination and the frequency band information.
9. A terminal comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method according to any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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