CN112398626B - Information transmission method, communication device and system - Google Patents
Information transmission method, communication device and system Download PDFInfo
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- CN112398626B CN112398626B CN201910761600.2A CN201910761600A CN112398626B CN 112398626 B CN112398626 B CN 112398626B CN 201910761600 A CN201910761600 A CN 201910761600A CN 112398626 B CN112398626 B CN 112398626B
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Abstract
The embodiment of the application provides an information transmission method, a communication device and a system, wherein the information transmission method comprises the following steps: receiving a capability query message from a network device, wherein the capability query message comprises a capability request format list, the capability request format list comprises the capability of at least one format requested by the network device to a terminal device, and the at least one format comprises a first format; sending a capability information report, wherein the capability information report comprises a first standard capability report, and the first standard capability report is used for indicating the capability of the terminal equipment in the first standard; the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode. By adopting the embodiment of the application, the code stream length can be reduced, and the air interface resources can be saved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information transmission method, a communication apparatus, and a system.
Background
After the terminal device establishes an initial link with the network device, the network device queries the capability of the terminal device through the capability query message, and the terminal device notifies the network device of the capability supported by the terminal device through the capability information report. The capability query message includes a frequency band filtering condition, the frequency band filtering condition is used for filtering by the terminal device to obtain a frequency band aggregation list supported by the terminal device, and the capability information report includes the frequency band aggregation list obtained by filtering by the terminal device and the frequency band filtering condition. At present, regardless of whether the terminal device supports the independent networking mode, the terminal device needs to report the frequency band filtering condition, which causes the waste of air interface resources.
Disclosure of Invention
The embodiment of the application provides an information transmission method, a communication device and a system, and in some possible scenes, a first standard capability report may not contain a frequency band filtering condition, so that the code stream length is reduced, and the air interface resources are saved.
In a first aspect, an embodiment of the present application provides an information transmission method, where the information transmission method may be applied to a terminal device, and after an initial link is established between the terminal device and a network device, the network device queries, through a capability query message, a capability of the terminal device for the terminal device.
The terminal equipment receives a capability query message from the network equipment, wherein the capability query message comprises a capability request system list, the capability request system list comprises the capability of at least one system requested by the network equipment to the terminal equipment, and the at least one system comprises a first system. The first standard may be a non-hybrid standard, for example, the first standard may be a new air interface NR standard (e.g., NR-rat), and the first standard may also be another standard along with evolution of a network architecture and appearance of a new service scenario.
The terminal device sends a capability information report for informing the network device of the capabilities the terminal device has. The capability information report comprises a first standard capability report, and the first standard capability report is used for indicating the capability of the terminal equipment in the first standard. If the first standard is a new air interface NR standard, the first standard Capability report is a new air interface standard Capability report (for example, UE-NR-Capability), and the new air interface standard Capability report is used for indicating the Capability of the terminal device in the NR standard.
In one possible design, the terminal device may determine whether the first standard capability report includes a frequency band filtering condition according to the capability of the terminal device. The capability here may be the capability of whether the terminal device supports the independent networking mode. If the terminal device does not support the independent networking mode, that is, the first format capability report does not include a frequency band filtering condition (for example, appliedfreqbandlist filter). If the terminal device supports the independent networking mode, the first standard capability report includes a frequency band filtering condition (for example, appliedfreqBandListFilter).
In yet another possible design, the first-format capability report does not include a band filtering condition (e.g., appliedFreqBandListFilter) for filtering a band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device, where the terminal device does not support an independent networking mode. In this possible design, if the terminal device determines that it does not support the independent networking mode, it determines that the first standard capability report does not include the frequency band filtering condition. It can also be understood that the feature is a feature in a scenario where the terminal device does not support the independent networking mode. Further, if the terminal device does not support the independent networking mode, the first format capability report does not include a frequency band filtering condition (for example, appliedfreqBandListFilter); if the terminal device supports the independent networking mode, the first standard capability report includes a frequency band filtering condition (for example, appliedfreqBandListFilter).
Optionally, if the terminal device does not support the independent networking mode corresponding to the first standard, the first standard capability report does not include the frequency band filtering condition. For example, the first standard is NR standard, the terminal device does not support a 5G independent networking mode, and the capability report of the first standard does not include a band filtering condition (e.g., appliedfreqbandlist filter). Further optionally, the first-format capability report also does not contain a frequency band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device, which is obtained by filtering according to a frequency band filtering condition (e.g., appliedfrequqbandlistfilter).
The frequency band filtering condition in the first standard capability report is the same as the frequency band filtering condition carried in the capability query message sent to the terminal equipment by the network equipment. The band filtering condition is used to indicate a list of bands (bands) that the network can support and a maximum carrier aggregation capability in each band.
By implementing the embodiment of the application, if the terminal device does not support the independent networking mode, the first standard capability report does not contain the frequency band filtering condition, and because the first standard capability report does not contain the frequency band filtering condition, the code stream length can be reduced, and the air interface resource can be saved.
In a possible design, if the terminal device supports the independent networking mode, the first-format capability report includes a frequency band filtering condition (e.g., appliedFreqBandListFilter), and optionally, the first-format capability report further includes a frequency band aggregation list (e.g., supportBandCombinationList) supported by the terminal device, which is obtained by filtering according to the frequency band filtering condition.
The frequency band aggregation list contained in the first standard capability report is a frequency band aggregation list supported by the terminal device, which is obtained by filtering the terminal device according to the frequency band filtering condition in the independent networking mode corresponding to the first standard.
In one possible design, the first format may be a new air interface NR format (NR-rat).
In a possible design, the terminal device does not support the independent networking mode, and when the terminal device supports the dependent networking mode, the first standard capability report does not include the frequency band filtering condition.
When the terminal device supports the independent networking mode, whether the non-independent networking mode is supported or not, the first-mode capability report comprises a frequency band filtering condition (for example: appliedfreqBandListFilter) and a frequency band aggregation list (for example: supportportBandCombinationList) supported by the terminal device, wherein the frequency band aggregation list is obtained by filtering according to the frequency band filtering condition.
In one possible design, the first format capability report includes physical layer capability information (e.g., Phy-Parameters), radio frequency capability information (e.g., RF-Parameters), packet data convergence layer capability information (e.g., PDCP-Parameters), link control layer capability information (e.g., RLC-Parameters), multimedia access control layer capability information (e.g., MAC-Parameters), and so on. In this embodiment of the present application, the radio frequency capability information included in the first standard capability report is referred to as first radio frequency capability information, where the first radio frequency capability information is used to indicate the radio frequency capability of the terminal device in the first standard.
If the terminal device does not support the independent networking mode, the first rf capability information does not include a band filtering condition (e.g., appliedFreqBandListFilter), and further optionally, the first rf capability information does not include a band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device, which is obtained by filtering according to the band filtering condition.
In one possible design, the Capability of the at least one standard requested by the network device to the terminal device further includes a hybrid-over-long term evolution-and-new-air-interface (Eutra-NR-rat, for example), and the Capability information report sent by the terminal device further includes a hybrid-over-long term evolution-and-new-air-interface Capability report (UE-MRDC-Capability, for example), where the hybrid-over-long term evolution-and-new-air-interface Capability report is used to indicate the Capability of the terminal device in the Eutra-NR standard.
In one possible design, the lte and new air interface hybrid system capability report also includes physical layer capability information (e.g., Phy-Parameters), radio frequency capability information (e.g., RF-Parameters), packet data convergence layer capability information (e.g., PDCP-Parameters), link control layer capability information (e.g., RLC-Parameters), multimedia access control layer capability information (e.g., MAC-Parameters), and so on. In this embodiment of the present application, the radio frequency capability information included in the long term evolution and new air interface hybrid system capability report is referred to as second radio frequency capability information, where the second radio frequency capability information is used to indicate the radio frequency capability of the terminal device in the long term evolution and new air interface hybrid system (e.g., Eutra-Nr-rat).
The second rf capability information includes a band filtering condition (e.g., appliedfrequqbandlistfilter) and a band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device according to the band filtering condition.
In the embodiment of the present application, if the terminal device does not support the independent networking mode but supports the non-independent networking mode, in the Capability information report sent by the terminal device, since the frequency band filtering condition in the first system Capability report is the same as the frequency band aggregation list supported by the terminal device and the frequency band filtering condition contained in the UE-MRDC-Capability and the frequency band aggregation list supported by the terminal device, the first system Capability report may not repeatedly carry the frequency band filtering condition and the frequency band aggregation list supported by the terminal device, and the UE-MRDC-Capability carries the frequency band filtering condition and the frequency band aggregation list supported by the terminal device, thereby reducing the code stream length and saving the air interface load.
In a second aspect, the present application provides a communication apparatus, which may be a terminal device or a component (circuit or chip) that may be used in the terminal device, and the communication apparatus may include a plurality of functional modules or units, which are used to correspondingly perform the information transmission method provided in the first aspect.
For example, the communication apparatus includes a transceiver unit, where the transceiver unit is configured to receive a capability query message from a network device, where the capability query message includes a capability request format list, the capability request format list includes a capability of at least one format requested by the network device to a terminal device, and the at least one format includes a first format.
The receiving and sending unit is further configured to send a capability information report, where the capability information report includes a first standard capability report, and the first standard capability report is used to indicate a capability of the terminal device in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
In a third aspect, an embodiment of the present application provides a communication apparatus, which may be a terminal device or a component (circuit or chip) that may be used in the terminal device, and the communication apparatus may include: memory, processor, transceiver, wherein: the transceiver is used to communicate with other communication devices, such as network devices. The memory is used for storing implementation codes of the information transmission method provided by the first aspect, and the processor is used for executing the program codes stored in the memory, namely executing the information transmission method provided by the first aspect.
In a fourth aspect, an embodiment of the present application provides a communication chip, where the communication chip may include: a processor, and one or more communication interfaces coupled to the processor. Wherein the processor is operable to invoke a program or instructions from the memory to implement the method provided by the first aspect. The communication interface may be used to output data processing results of the processor and/or read the program or instructions from memory.
In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, on which instructions are stored, and when executed, the method for transmitting information described in the first aspect is implemented.
In a sixth aspect, embodiments of the present application provide a computer program product containing instructions, which when run on a processor, cause the processor to perform the information transmission method described in the first aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present application, the drawings required to be used in the embodiments or the background art of the present application will be described below.
Fig. 1 is an architecture diagram of a communication system according to an embodiment of the present application;
fig. 2 is an interaction diagram of an information transmission method according to an embodiment of the present application;
fig. 3 is a schematic diagram of a capability query message and a capability information report provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of UE-NR-Capability and UE-MRDC-Capability provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application;
fig. 7 is a schematic diagram of a chip structure according to an embodiment of the present application.
Detailed Description
The terminology used in the description of the embodiments section of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.
A New air interface (NR) format (e.g., NR-rat) in this embodiment may also be referred to as a 5G format, and a New air interface format Capability report (e.g., UE-NR-Capability) corresponding to the New air interface format may also be referred to as a 5G format Capability report.
The lte-NR system according to the embodiment of the present application may also be referred to as a 4G-5G hybrid system, and a lte-NR system (e.g., a UE-MRDC-Capability) Capability report corresponding to the lte-NR system may also be referred to as a 4G-5G hybrid system Capability report.
The long term evolution system (e.g., Eutra-rat) in the embodiment of the present application may also be referred to as a 4G system, and a long term evolution system Capability report (e.g., UE-Eutra-Capability) corresponding to the long term evolution system may also be referred to as a 4G system Capability report.
The independent networking (SA) in the embodiment of the present application refers to the reconstruction of a base station of a first standard and a core network of the first standard for a first standard, for example, the first standard is a 5G standard, and the independent networking refers to the reconstruction of a 5G base station and a 5G core network, and since all base stations and infrastructure need to be reconstructed, the construction cost is quite high.
In the embodiment of the present application, if the terminal device supports a network architecture of an independent networking, it is described that the terminal device supports an independent networking mode.
The Non-Stand Alone Network (NSA) in the embodiment of the present application is an improvement on the basis of an existing communication network, so that the improved network can support a first standard and an original standard at the same time, and the improvement method may be: and reusing the existing core network equipment to newly establish a base station of the first standard, or reusing the existing core network equipment to improve the existing base station, and the like. For example, the first standard is a 5G standard, and a 5G network is deployed on the basis of an existing 4G base station and a 4G core network. The construction cost is low because the architecture uses a 4G network architecture.
In the embodiment of the present application, if the terminal device supports a network architecture of a non-independent networking, it is indicated that the terminal device supports a non-independent networking NSA mode.
Fig. 1 is a diagram illustrating an architecture of a communication system according to an embodiment of the present invention.
The embodiment of the present application may be applied to a wireless communication system, where the wireless communication system generally includes cells, each cell includes a Base Station (BS) that provides communication services to a plurality of terminal devices, where the Base Station is connected to a core network device, and the Base Station may include a Base Band Unit (BBU) and a Remote Radio Unit (RRU). BBU and RRU can be placed in different places, for example: RRU is remote and is placed in an open area with high telephone traffic, and BBU is placed in a central machine room. The BBU and the RRU can also be placed in the same machine room. The BBU and RRU can also be different components under one chassis.
It should be noted that, the wireless communication systems mentioned in the embodiments of the present application include, but are not limited to: narrowband Band-Internet of Things (NB-IoT), Global System for Mobile Communications (GSM), Enhanced Data rates for GSM Evolution (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (Code Division Multiple Access, CDMA2000), Time Division-synchronous Code Division Multiple Access (TD-SCDMA), Long Term Evolution (Long Term Evolution, LTE), 5G, and future Mobile communication systems.
In this embodiment, the base station is a device deployed in a radio access network to provide a wireless communication function for a terminal device. The base stations may include various forms of macro base stations, micro base stations (also referred to as small stations), relay stations, access points, Transmission Receiver Points (TRPs), and the like. In systems using different radio access technologies, names of devices having a base station function may be different, for example, in an LTE system, referred to as an evolved Node B (eNB) or eNodeB), in a third Generation (3G) system, referred to as a Node B (NB), in a 5G system, and in a New Radio (NR) system, referred to as a next-Generation Node B (gNB). And the like. For convenience of description, in all embodiments of the present application, the above-mentioned apparatus for providing a wireless communication function for a terminal device is collectively referred to as a network device.
The terminal devices referred to in the embodiments of the present application may include various handheld devices, vehicle mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem with wireless communication capability. The Terminal device may also be referred to as a Mobile Station (MS), a Terminal (Terminal), and may further include a subscriber unit (subscriber unit), a cellular phone (cellular phone), a smart phone (smart phone), a wireless data card, a Personal Digital Assistant (PDA) computer, a tablet computer, a wireless modem (modem), a handheld device (handset), a laptop computer (laptop computer), a Machine Type Communication (MTC) Terminal, a Mobile Station in a future 5G network or a user equipment in a future evolved Public Land Mobile Network (PLMN) network, and the like. For convenience of description, in all embodiments of the present application, the above-mentioned devices are collectively referred to as terminal devices.
After the initial link between the terminal device and the network device is established, the network device may request, through a capability query message, a capability of at least one standard to the terminal device, where the at least one standard includes a first standard, for example, the first standard may be an NR standard (NR-rat), and the terminal device sends a capability information report, where the capability information report includes a first standard capability report, and the first standard capability report is used to indicate a capability of the terminal device in the first standard. If the terminal device does not support a Stand Alone (SA) mode, the first standard capability report does not include a frequency band filtering condition, and the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal device, so that the code stream length of the capability information report is reduced, and air interface resources are saved.
It should be noted that the communication system shown in fig. 1 is only for more clearly illustrating the technical solution of the present application, and does not constitute a limitation to the present application, and as a person having ordinary skill in the art knows, with the evolution of network architecture and the emergence of new service scenarios, the technical solution provided in the present application is also applicable to similar technical problems.
Referring to fig. 2, an interaction diagram of an information transmission method according to an embodiment of the present application is shown, where the information transmission method according to the embodiment of the present application includes, but is not limited to, the following steps:
s101, a network device sends a capability query message, wherein the capability query message comprises a capability request format list, the capability request format list comprises the capability of at least one format requested by the network device to a terminal device, and the at least one format comprises a first format;
s102, the terminal equipment receives the capability inquiry message;
s103, the terminal equipment sends a capability information report, wherein the capability information report comprises a first standard capability report, and the first standard capability report is used for indicating the capability of the terminal equipment in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
In this embodiment of the present application, after the terminal device establishes an initial link with the network device, the network device may send a capability query message (for example, uecapabilyenqiry) to the terminal device, where the capability query message may be a signaling. The capability query message includes a capability request format list (e.g., reqRatList), where the capability request format list may include capabilities of at least one format requested by the network device from the terminal device, where the at least one format includes a first format, and the first format may be a new air interface format (e.g., Nr-rat).
Optionally, the capability request format list may include, in addition to the first format, other formats, for example, the first format is a new air interface format (e.g., Nr-rat), and the other formats may further include a long term evolution format and a new air interface format (e.g., Eutra-Nr-rat), a long term evolution format (e.g., Eutra-rat), and the like.
The network device requests the terminal device for the capability of at least one system through a capability query message (e.g., UECapabiliyEnqiry), and accordingly, the terminal device sends a capability information report (e.g., UECapabilityInformation) to report the capability of at least one system requested by the network device, where the capability information report includes a capability report corresponding to at least one system requested by the terminal device, and the capability information report may be a signaling.
For example, if the network device requests the Capability of the Nr-rat system through reqRatList in the uecapabilityenqiry signaling, the terminal device needs to report a new air interface system Capability report (e.g., UE-Nr-Capability) corresponding to the Nr-rat system in the UECapabilityInformation signaling. If the network device requests the Capability of the Eutra-Nr-rat system through reqRatList in the uecapabilitenqiry signaling, the terminal device needs to report a long term evolution and new air interface hybrid system Capability report (e.g., UE-MRDC-Capability) corresponding to the Eutra-Nr-rat system in the UECapabilityInformation. If the network device requests the Capability of the Eutra-rat system through reqRatList in the uecapabilitenqiry signaling, the terminal device needs to report a long term evolution system Capability report (for example, UE-Eutra-Capability) corresponding to the Eutra-rat system in the UECapabilityInformation signaling.
Optionally, the capability query message may include a capability filter condition (reqCapFilter) in addition to the capability request format list. If the network device requests the capability of the Eutra-Nr-rat system and the capability of the Nr-rat system through the capability request list in the capability query message, the reqcapalter condition may include a frequency band filtering condition (e.g., frequency band filter), where the frequency band filtering condition is used to represent a frequency band (band) list that the network device can support and a maximum carrier aggregation capability under each band, and the frequency band filtering condition is mainly used for the terminal device to filter and obtain a frequency band aggregation list (supported by the terminal device). For example, the frequency band filtering condition may include a frequency band list supported by the network device, where the frequency band list includes frequency band numbers of each frequency band, for example, the frequency band list includes: band 1, band 2, band 3. Wherein one frequency band number corresponds to one frequency band. The terminal device may select a frequency band combination including a frequency band in the frequency band filtering condition from a plurality of frequency band combinations supported by the terminal device according to the frequency band filtering condition, thereby forming a frequency band aggregation list supported by the terminal device. For example, the multiple frequency band combinations supported by the terminal device include: band 1+ band 2, band 2+ band 3, and band 3+ band 4, where band 4 in band combination band 3+ band 4 is not in the band filtering condition, so band 3+ band 4 is not the band combination supported by the terminal device, and band 1+ band 2 and band 2+ band 3 are both the bands in the band filtering condition, so band 1+ band 2 and band 2+ band 3 are the band aggregation list supported by the terminal device.
As shown in fig. 3, a schematic structural diagram of a capability query message and a capability information report provided in this embodiment of the present application is shown, where the capability query message includes a capability request format list, the capability request format list includes capabilities of at least one format requested by a network device to a terminal device, and the at least one format may include any one or more of multiple formats shown in fig. 3. Correspondingly, the terminal device sends a capability information report, where the capability information report includes a capability report corresponding to the system requested by the network device, and the capability report is used to indicate the capability of the terminal device in the requested system. For example, the new air interface scheme (e.g., Nr-rat) corresponds to a new air interface scheme Capability report (e.g., UE-Nr-Capability), and the UE-Nr-Capability is used to indicate the Capability of the terminal device in the Nr-rat scheme. The hybrid long term evolution and new air interface standard (for example, Eutra-Nr-rat) corresponds to a hybrid long term evolution and new air interface standard Capability report (for example, UE-MRDC-Capability), and the UE-MRDC-Capability is used for indicating the Capability of the terminal equipment in the Eutra-Nr-rat standard. The long term evolution format (e.g., Eutra-rat) corresponds to a long term evolution format Capability report (e.g., UE-EUTRA-Capability) indicating the Capability of the terminal device in the Eutra-rat format. Further, the capability query message includes, in addition to the capability request format list, a capability filtering condition, and if the requested format includes an Eutra-Nr-rat format and an Nr-rat format, the capability filtering condition further includes a frequency band filtering condition, which is specifically referred to the description of the foregoing embodiment and is not described herein again.
The Capability report corresponding to the corresponding system contained in the Capability information report is used to indicate a plurality of capabilities of the terminal device in the corresponding system, and as shown in fig. 4, is a schematic diagram of a new air interface system Capability report (e.g., UE-NR-Capability) and a new air interface and long term evolution mixed system Capability report (e.g., UE-MRDC-Capability) in the prior art, where the UE-NR-Capability and UE-MRDC-Capability mainly include physical layer Capability information (e.g., Phy-Parameters) of the terminal device, radio frequency Capability information (e.g., RF-Parameters), packet data convergence layer Capability information (e.g., PDCP-Parameters), link control layer Capability information (e.g., RLC-Parameters), and multimedia access control layer Capability information (e.g., MAC-Parameters) of the terminal device.
The radio frequency capability information (e.g., RF-Parameters) includes a frequency band aggregation list (e.g., supportportbandcombining list) supported by the terminal device, a frequency band filtering condition (e.g., appliedfrequadbandfilter), and the like, where the supportportbandcombining list is used to represent frequency band aggregation lists (e.g., bandcombining) that the terminal device can support, that is, the terminal device can perform normal service operation under these frequency band aggregation lists (e.g., bandcombining). The frequency band aggregation list supported by the terminal device may be obtained by filtering, by the terminal device, the frequency band aggregation list according to the frequency band filter in the capability query message sent by the network device, and please refer to the description of the foregoing embodiment, which is not described herein again. When the terminal device reports the capability report corresponding to the corresponding system, it needs to report the frequency band filtering condition together, that is, the capability report corresponding to the corresponding system contains the frequency band filtering condition (for example, appliedfeqbandlist filter), and the appliedfeqbandlist filter in the capability report has the same content as the frequencybandlist filter in the capability query message. It can be understood that, the terminal device encapsulates the frequency band filtering condition (e.g., appliedFreqBandListFilter) and the frequency band aggregation list supported by the terminal device (e.g., appliedFreqBandListFilter) in the capability report, so that when the network device subsequently uses the capability report, it can be convenient to know that the frequency band aggregation list is obtained by filtering the frequency band filtering condition.
Optionally, the network device may only request the terminal device for the capability of the Nr-rat system, or may also request the terminal device for the capabilities of the Nr-rat system and the Eutra-Nr-rat system, and the like, where the type of the system to be requested specifically may be determined by the network device according to the communication requirement of the network device itself. For example, if the network device needs to communicate with the terminal device using the non-independent networking mode, the at least one type requested by the network device may include an Nr-rat type and an Eutra-Nr-rat type; if the network device needs to communicate with the terminal device using the independent networking mode, the at least one mode requested by the network device may include an Nr-rat mode.
The terminal device sends a capability information report to the network device, where the capability information report includes a capability report corresponding to at least one system requested by the network device, for example, the at least one system includes a first system, and the capability information report includes a first system capability report.
Optionally, the terminal device may determine whether the first format capability report includes a frequency band filtering condition (e.g., appliedfreqbandlist filter) according to the capability of the terminal device. The capability here may be the capability of whether the terminal device supports the independent networking mode, or may be other possible capabilities. If the terminal device does not support the independent networking mode, that is, the first format capability report does not include a frequency band filtering condition (for example, appliedfreqbandlist filter). If the terminal device supports the independent networking mode, the first standard capability report includes a frequency band filtering condition (for example, appliedfreqBandListFilter).
In yet another possible design, the first-format capability report does not include a band filtering condition (e.g., appliedFreqBandListFilter) for filtering a band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device, where the terminal device does not support an independent networking mode. In this possible design, if the terminal device determines that it does not support the independent networking mode, it determines that the first standard capability report does not include the frequency band filtering condition. It can also be understood that the feature is a feature in a scenario where the terminal device does not support the independent networking mode. Further, if the terminal device does not support the independent networking mode, the first format capability report does not include a frequency band filtering condition (for example, appliedfreqBandListFilter); if the terminal device supports the independent networking mode, the first standard capability report includes a frequency band filtering condition (for example, appliedfreqBandListFilter).
Further optionally, if the terminal device does not support the independent networking mode corresponding to the first standard, the terminal device does not need to report a frequency band filtering condition (for example, appliedfreqbandlist filter) and a frequency band aggregation list (for example, supportportbandcombining list) supported by the terminal device, which is obtained by filtering according to the frequency band filtering condition, that is, the first standard capability report does not include the frequency band filtering condition (for example, appliedfreqbandlist filter) and the frequency band aggregation list (for example, supportportcombining list).
For example, the first format is an Nr-rat format, and if the terminal device does not support an independent networking mode (e.g., an SA mode) corresponding to the Nr-rat format but supports a non-independent networking mode (e.g., an NSA mode), when reporting the UE-Nr-Capability, the UE-Nr-Capability does not include a band filtering condition (e.g., appliedfreqbandfilter) and a band aggregation list (e.g., a supportdbondcombining list) supported by the terminal device, which is obtained by filtering according to the band filtering condition (e.g., appliedferbandfilter). Optionally, the UE-NR-Capability includes first radio frequency Capability information (e.g., RF-Parameters), and the first radio frequency Capability information does not include a band filtering condition (e.g., appliedfrequndbandlist filter) and a band aggregation list (e.g., supportportbandcombining list) supported by the terminal device. The first radio frequency capability information is used for representing the radio frequency capability information of the terminal equipment in an Nr-rat system under a non-independent networking mode.
Optionally, the reason why the terminal device only supports the non-independent networking mode (NSA mode) and does not support the independent networking mode (SA mode) includes but is not limited to the following reasons:
1) the specification of the terminal equipment only supports the NSA mode and does not support the SA mode;
2) the user manually sets that the terminal equipment only supports the NSA mode but not the SA mode;
3) the operator network is limited, only allowing the terminal device to operate in the NSA mode, and prohibiting the terminal device from accessing the network in the SA mode (i.e. the terminal device registration is rejected).
Optionally, if the network device needs to communicate with the terminal device using the non-independent networking mode, the at least one mode may further include an Eutra-Nr-rat mode, and the terminal device sends a UE-MRDC-Capability corresponding to the Eutra-Nr-rat mode, where the UE-MRDC-Capability includes second radio frequency Capability information, and the second radio frequency Capability information is used to indicate radio frequency Capability information of the terminal device in the Eutra-Nr-rat mode in the non-independent networking mode. The second rf capability information includes a band filtering condition (e.g., appliedFreqBandListFilter), and a band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device, which is obtained by filtering according to the band filtering condition (e.g., appliedFreqBandListFilter). In the non-independent networking mode, the UE-NR-Capability and the UE-MRDC-Capability have the same frequency band filtering condition (e.g., appliedFreqBandListFilter) and the same frequency band aggregation list (e.g., supportdbondcombining list) supported by the terminal device, so that the terminal device does not support the independent networking mode, and when the non-independent networking mode is supported, the appliedfreqbandfilter and the supportdbondcombining list are not repeatedly carried in the UE-NR-Capability, thereby reducing the code stream length of signaling and reducing the air interface load.
Optionally, if the terminal device supports an independent networking mode (e.g., SA mode), regardless of whether the terminal device supports a non-independent networking mode (e.g., NSA mode), when reporting the UE-NR-Capability, the UE-NR-Capability includes a frequency band filtering condition (e.g., appliedfreqbandlist filter), and a frequency band aggregation list (e.g., supportbeardbondcombinationlist) supported by the terminal device is filtered according to the frequency band filtering condition (e.g., appliedfreqbandlist filter), where the frequency band aggregation list (e.g., supportdbondcombinationlist) supported by the terminal device may be a frequency band aggregation list supported by the terminal device in the independent networking mode, and the frequency band aggregation list may be reported differently from a frequency band aggregation list supported by the terminal device in the non-independent networking mode. Optionally, the UE-NR-Capability includes third radio frequency Capability information, where the third radio frequency Capability information is used to indicate radio frequency Capability information of the terminal device in an NR-rat system in an independent networking mode, and the third radio frequency Capability information includes a frequency band filtering condition (e.g., appliedfreqbandlist filter) and a frequency band aggregation list (e.g., supportportbandcombinationlist) supported by the terminal device.
Correspondingly, the network device determines whether the terminal device supports the independent networking mode according to the Capability information report reported by the terminal device, for example, if the terminal device does not report a frequency band filtering condition (e.g., appliedfreqbandlist filter) and a frequency band aggregation list (e.g., supportBandCombinationList) in the UE-NR-Capability, it is determined that the terminal device does not support the independent networking mode, and the network device cannot communicate with the terminal device using the independent networking mode. If the terminal device reports the frequency band filtering condition (e.g., appliedfreqBandListFilter) and the frequency band aggregation list (e.g., supportBandCombinationList) in the UE-NR-Capability, it is determined that the terminal device supports the independent networking mode.
Optionally, if the terminal device does not support the Capability of the standard requested by the network device, in the Capability information report sent by the terminal device, the Capability report corresponding to the standard may be null, for example, if the terminal device does not support the Eutra-Nr-rat standard, the UE-MRDC-Capability sent is null. The network equipment determines that the terminal equipment does not support the Eutra-Nr-rat system through UE-MRDC-Capability.
By implementing the embodiment of the application, if the terminal device does not support the independent networking mode, the first standard capability report does not contain the frequency band filtering condition, and because the first standard capability report does not contain the frequency band filtering condition, the code stream length can be reduced, and the air interface resource can be saved.
It should be noted that, in the above embodiments of the present application, the steps implemented by the terminal device may also be implemented by a component (e.g., a circuit or a chip) that can be used in the terminal device.
The embodiment of the application provides a communication device, which can be a terminal device or a component, such as a chip, used for the terminal device. The communication apparatus may include a module or a unit therein to implement the information transmission method of fig. 2. In a possible manner, the information transmission method may be implemented by a processing unit and a transceiver unit, where the transceiver unit is configured to perform operations of receiving or transmitting information or messages in the process, and the processing unit is configured to perform corresponding processing operations, such as processing information or messages received by the transceiver unit or processing transmitted information or messages. Optionally, the transceiver unit may be controlled by the processing unit, that is, the processing unit may control the transceiver unit to perform transceiving operation. In addition, the transceiver unit and the processing unit of the communication device may be logic modules divided according to functions, or may be corresponding hardware modules. When the transceiving unit and the processing unit are both logic modules, the structure of the communication device may be as shown in fig. 5, and the communication device includes a transceiving unit 1101 and a processing unit 1102.
The transceiver 1101 is configured to receive a capability query message from a network device, where the capability query message includes a capability request format list, the capability request format list includes a capability of at least one format requested by the network device to a terminal device, and the at least one format includes a first format;
the processing unit 1102 is configured to parse the capability query message and generate a capability information report;
the transceiver 1101 is further configured to send a capability information report, where the capability information report includes a first standard capability report, and the first standard capability report is used to indicate a capability of the terminal device in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
Optionally, if the terminal device does not support the independent networking mode, the first standard capability report does not include the frequency band filtering condition.
Optionally, if the terminal device supports the independent networking mode, the first standard capability report includes the frequency band filtering condition.
Optionally, the first standard is a new null interface NR standard.
Optionally, the terminal device supports a non-independent networking mode.
Optionally, the first standard capability report includes first radio frequency capability information, where the first radio frequency capability information is used to indicate radio frequency capability of the terminal device in the first standard;
the first radio frequency capability information does not include the frequency band filtering condition.
Optionally, the at least one system comprises a long term evolution and new air interface hybrid Eutra-NR system;
the capability information report comprises a long-term evolution and new air interface mixed standard capability report, and the long-term evolution and new air interface mixed standard capability report is used for indicating the capability of the terminal equipment under the Eutra-NR standard.
Optionally, the long term evolution and new air interface hybrid system capability report includes second radio frequency capability information, where the second radio frequency capability information is used to indicate the radio frequency capability of the terminal device in the Eutra-NR system;
and the second radio frequency capability information comprises the frequency band filtering condition and a frequency band aggregation list supported by the terminal equipment, which is obtained by filtering according to the frequency band filtering condition.
The processing unit may be embodied as a processor, and the transceiver unit may be a transceiver or a transceiver circuit or an interface circuit.
Optionally, the communication device may further include a storage unit, the storage unit may include codes (or programs) or data, and the processing unit may be coupled with the storage unit, for example, call the codes or data in the storage unit, so that the communication device implements the information transmission method of the embodiment in fig. 2.
It is to be understood that the processing unit, the transceiver unit, and the storage unit may be integrated together or separated, and this is not limited in this embodiment of the application.
Alternatively, fig. 6 shows one possible structure of the terminal device.
Referring to fig. 6, fig. 6 shows a terminal device provided in an embodiment of the present application, where the terminal device 10 may include: one or more processors 1201, memory 1202, transmitter 1203, receiver 1204. These components may be connected by a bus 1205 or otherwise, as illustrated in FIG. 6 by a bus. Wherein:
the processor 1201 may be a general-purpose processor, such as a Central Processing Unit (CPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present application. The processor 1201 may process data received through the receiver 1204. The processor 1201 may also process data to be sent to the transmitter 1203.
The memory 1202 may be coupled to the processor 1201 via the bus 1205 or an input/output port, or the memory 1202 may be integrated with the processor 1201. The memory 1202 is used to store various software programs and/or sets of instructions. In particular, the memory 1202 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state storage devices. The memory 1202 may also store a network communication program that may be used to communicate with one or more additional devices, one or more terminals, one or more network devices.
The transmitter 1203 may be configured to perform transmission processing on the signal output by the processor 1201. The receiver 1204 may be used for receive processing of received communication signals. In the terminal device 10, the number of the transmitters 1203 and the receivers 1204 may be one or more.
The processor 1201 may be configured to read and execute computer readable instructions. Specifically, the processor 1201 may be configured to call a program stored in the memory 1202, for example, an implementation program of the information transmission method provided in one or more embodiments of the present application on the terminal device 10 side, and execute instructions included in the program to implement the method related to the subsequent embodiments. Optionally, when the processor 1201 sends any message or data, it does so, in particular by driving or controlling the transmitter 1203. Optionally, when the processor 1201 receives any message or data, it does so, in particular by driving or controlling the receiver 1204. Thus, the processor 1201 can be considered as a control center that performs transmission or reception, and the transmitter 1203 and receiver 1204 are specific performers for transmission and reception operations.
For example, the receiver 1204 is configured to receive a capability query message from a network device, where the capability query message includes a capability request format list, the capability request format list includes a capability of at least one format requested by the network device to the terminal device, and the at least one format includes a first format;
a transmitter 1203, configured to send a capability information report, where the capability information report includes a first standard capability report, and the first standard capability report is used to indicate a capability of the terminal device in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
It is understood that the transmitter 1203 and the receiver 1204 may be integrated into a transceiver, and the transceiver may be used to implement operations of receiving and sending information or messages, and the embodiment of the present application is not limited thereto.
It should be noted that the terminal device 10 shown in fig. 6 is only one implementation manner of the embodiment of the present application, and in practical applications, the terminal device 10 may also include more or less components, which is not limited herein.
Referring to fig. 7, fig. 7 shows a schematic structural diagram of a communication chip provided in the present application. As shown in fig. 7, the communication chip 190 may include: a processor 1901, and one or more communication interfaces 1902 coupled to the processor 1901. Wherein:
the processor 191 is operable to read and execute computer readable instructions. In particular implementations, the processor 1901 may mainly include a controller, an operator, and a register. The controller is mainly responsible for instruction decoding and sending out control signals for operations corresponding to the instructions. The arithmetic unit is mainly responsible for executing fixed-point or floating-point arithmetic operation, shift operation, logic operation and the like, and can also execute address operation and conversion. The register is mainly responsible for storing register operands, intermediate operation results and the like temporarily stored in the instruction execution process. In a specific implementation, the hardware architecture of the processor 1901 may be an Application Specific Integrated Circuit (ASIC) architecture, an MIPS architecture, an ARM architecture, or an NP architecture, for example. The processors 1701 may be single core or multi-core.
The communication interface 1902 may be used to input data to be processed to the processor 1901, and may output a processing result of the processor 1901 to the outside. For example, the communication interface 1902 may be a General Purpose Input Output (GPIO) interface, and may be connected to a plurality of peripheral devices (e.g., a display (LCD), a camera (camara), a Radio Frequency (RF) module, etc.). The communication interface 1902 is coupled to the processor 1901 via a bus 1903.
In this application, the processor 1901 may be configured to call, from the memory, an implementation program of the information transmission method provided in one or more embodiments of the present application on the terminal device side, and execute instructions included in the implementation program. The communication interface 1902 may be used to output results of execution by the processor 1901 and/or to read programs or instructions from memory. In this application, communication interface 192 may be specifically configured to output capability information reports for processor 1901. For the information transmission method provided in one or more embodiments of the present application, reference may be made to the foregoing embodiment shown in fig. 2, which is not described herein again.
It should be noted that the functions corresponding to the processor 1901 and the communication interface 1902 may be implemented by hardware design, software design, or a combination of hardware and software, which is not limited herein.
In another embodiment of the present application, a communication system is further provided, where the communication system includes a terminal device and a network device. Illustratively, the terminal device may be the terminal device provided in fig. 5 or fig. 6, and is configured to perform the steps on the terminal device side in the information transmission method provided in fig. 2.
In another embodiment of the present application, a readable storage medium is further provided, where the readable storage medium stores computer-executable instructions, and when a device (which may be a single chip, a chip, or a computer, etc.) or a processor invokes the computer-executable instructions stored in the readable storage medium, the steps performed by the terminal device in the information transmission method provided in each embodiment shown in fig. 2 are implemented. The aforementioned readable storage medium may include: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
In another embodiment of the present application, there is also provided a computer program product comprising computer executable instructions stored in a computer readable storage medium; at least one processor of the device can read the computer-readable storage medium to execute the computer-executable instructions to implement the steps executed by the terminal device in the information transmission method provided by the various embodiments shown in fig. 2.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
Finally, it should be noted that: the above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (19)
1. An information transmission method, comprising:
receiving a capability query message from a network device, wherein the capability query message comprises a capability request format list, the capability request format list comprises the capability of at least one format requested by the network device to a terminal device, and the at least one format comprises a first format;
sending a capability information report, wherein the capability information report comprises a first standard capability report, and the first standard capability report is used for indicating the capability of the terminal equipment in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
2. The method of claim 1, wherein if the terminal device does not support the standalone networking mode, the first standard capability report does not include the band filtering condition.
3. The method of claim 2, wherein the first standard capability report includes the band filtering condition if the terminal device supports the independent networking mode.
4. The method of any of claims 1-3, wherein the first standard is a new air interface (NR) standard.
5. The method of claim 1 or 2, wherein the terminal device supports a non-standalone networking mode.
6. The method according to any of claims 1-3, wherein the first format capability report includes first radio frequency capability information, the first radio frequency capability information being used for indicating radio frequency capability of the terminal device in the first format;
the first standard capability report does not contain a frequency band filtering condition, and the method comprises the following steps: the first radio frequency capability information does not include the frequency band filtering condition.
7. The method of claim 6, wherein the at least one regime comprises the long term evolution and new air hybrid Eutra-NR regime;
the capability information report comprises a long-term evolution and new air interface mixed standard capability report, and the long-term evolution and new air interface mixed standard capability report is used for indicating the capability of the terminal equipment under the Eutra-NR standard.
8. The method according to claim 7, wherein the lte-utran/utran mixed mode capability report includes second rf capability information indicating the rf capability of the terminal equipment in the Eutra-NR mode;
and the second radio frequency capability information comprises the frequency band filtering condition and a frequency band aggregation list supported by the terminal equipment, which is obtained by filtering according to the frequency band filtering condition.
9. A communication apparatus, characterized in that the communication apparatus comprises:
the system comprises a receiving and sending unit, a processing unit and a processing unit, wherein the receiving and sending unit is used for receiving a capability query message from network equipment, the capability query message comprises a capability request format list, the capability request format list comprises the capability of at least one format requested by the network equipment to terminal equipment, and the at least one format comprises a first format;
the transceiver unit is further configured to send a capability information report, where the capability information report includes a first standard capability report, and the first standard capability report is used to indicate a capability of the terminal device in the first standard;
the first standard capability report does not contain a frequency band filtering condition, wherein the frequency band filtering condition is used for filtering a frequency band aggregation list supported by the terminal equipment, and the terminal equipment does not support an independent networking mode.
10. The apparatus of claim 9, wherein the first standard capability report does not include the band filtering condition if the terminal device does not support the standalone networking mode.
11. The apparatus of claim 10, wherein the first standard capability report includes the band filtering condition if the terminal device supports the standalone networking mode.
12. The apparatus of any of claims 9-11, wherein the first standard is a new air interface, NR, standard.
13. The apparatus of claim 9 or 10, wherein the terminal device supports a non-standalone networking mode.
14. The apparatus according to any of claims 9-11, wherein the first format capability report includes first radio frequency capability information, the first radio frequency capability information indicating radio frequency capability of the terminal device in the first format;
the first radio frequency capability information does not include the frequency band filtering condition.
15. The apparatus of claim 14, wherein the at least one regime comprises a long term evolution and new air hybrid Eutra-NR regime;
the capability information report comprises a long-term evolution and new air interface mixed standard capability report, and the long-term evolution and new air interface mixed standard capability report is used for indicating the capability of the terminal equipment under the Eutra-NR standard.
16. The apparatus of claim 15, wherein the lte-utran/utran mixed mode capability report includes second rf capability information indicating the rf capability of the terminal device in the Eutra-NR mode;
and the second radio frequency capability information comprises the frequency band filtering condition and a frequency band aggregation list supported by the terminal equipment, which is obtained by filtering according to the frequency band filtering condition.
17. A readable storage medium storing instructions that, when executed, cause the method of any of claims 1-8 to be implemented.
18. A communications apparatus, comprising: a processor and a communication interface;
the communication interface is used for acquiring programs or instructions;
the processor is configured to execute the program or execute the instructions to implement the method according to any one of claims 1 to 8.
19. A communication system comprising a network device and a terminal device, wherein the terminal device is the communication apparatus according to any one of claims 9 to 16.
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| CN116017551A (en) * | 2021-10-20 | 2023-04-25 | 维沃软件技术有限公司 | BSC terminal capability reporting method and device, terminal and network equipment |
| CN115278650A (en) * | 2022-07-14 | 2022-11-01 | 哲库科技(北京)有限公司 | System transmission method, device, terminal equipment, chip and storage medium |
| CN117829172A (en) * | 2022-09-29 | 2024-04-05 | 维沃移动通信有限公司 | Indication method, first equipment and second equipment |
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