CN112584425B - Network system, electronic equipment and chip system for reporting measurement capability - Google Patents

Network system, electronic equipment and chip system for reporting measurement capability Download PDF

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Publication number
CN112584425B
CN112584425B CN201910945417.8A CN201910945417A CN112584425B CN 112584425 B CN112584425 B CN 112584425B CN 201910945417 A CN201910945417 A CN 201910945417A CN 112584425 B CN112584425 B CN 112584425B
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measurement
capability
frequency band
cell
terminal
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CN112584425A (en
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刘海义
徐波
赵辰
师江伟
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports

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Abstract

The application provides a method, a system and a device for reporting measurement capability. Wherein the network system comprises a terminal and a network device, the terminal resides in a first cell, and the network device is configured to: sending a first capability query message; receiving first capability information; the first capability information includes: the method comprises the steps of a frequency band and frequency band combination related to a first cell supported by a terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, measurement capability related to the first cell and indication information; the measurement capability is used for indicating whether the terminal needs to measure the gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the measurement capability reported by the first capability information only comprises the measurement capability of the frequency band and the frequency band combination related to the first cell; determining whether a terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the first capability information; the terminal is configured to: receiving a first capability query message; first capability information is transmitted.

Description

Network system, electronic equipment and chip system for reporting measurement capability
Technical Field
The embodiment of the application relates to the technical field of communication, in particular to a network system, electronic equipment and a chip system for reporting measurement capability.
Background
In mobile communication, in order to save cost, a terminal device (UE) usually has only a single receiving channel, and can only receive signals on one frequency point at the same time, that is, can only receive signals of one cell at the same time. In cellular mobile communication systems, cell reselection and handover are very important functions. In order to successfully implement cell reselection, the UE needs to measure the signal quality of different cells, so as to select a suitable cell for camping and meet the mobility requirement. When the UE receives data sent by its serving cell, if measurement operations such as inter-frequency measurement or inter-system measurement need to be performed on other cells, the receiver needs to leave the current frequency point and measure the frequency point to be measured for a period of time. In order to ensure the radio link quality between the UE and the current serving cell (cell 1), the UE usually stops receiving signals and data of its serving cell and receives signals of other cells (e.g. cell 2) for inter-frequency measurement or inter-system measurement during a specified time period. After the time period ends, the UE starts receiving signals and data of its serving cell again. This period of time is called the Measurement GAP (Measurement GAP). Fig. 1 shows a GAP type defined in Long Term Evolution (LTE) system: the measurement period is 40ms and the measurement gap length is 6 ms. In the measurement gap, the UE first detects the synchronization signal of the cell 2, synchronizes with the synchronization signal of the cell 2 and the cell 2, and then performs correlation measurement on the reference signal sent by the cell 2, thereby completing the signal quality measurement on the cell 2.
In order to provide a higher data rate for a mobile user, a Long Term Evolution (LTE) system has proposed a Carrier Aggregation (CA) technique, which aims to provide a larger bandwidth for a terminal with corresponding capability and increase the peak speed of the terminal. In the current LTE system, a terminal can support carrier aggregation in many different frequency bands, has multiple reception paths, and has the capability of directly performing inter-frequency measurement or inter-system measurement without configuring a measurement gap. Therefore, data transmission in the original service area can not be interrupted, and the service of the original service area of the terminal is not influenced. However, there are many frequency bands and CA (carrier aggregation) combinations supported by LTE, and there are also many different frequency/different system frequency bands to be measured. Based on cost consideration, a terminal can only support carrier aggregation with a limited number without measurement gaps for inter-frequency measurement or inter-system measurement, and cannot support inter-frequency measurement or inter-system measurement without measurement gaps under all carrier aggregation. At present, the protocol provides that LTE can report which measurement frequency band combinations need measurement gaps and which measurement frequency band combinations do not need measurement gaps through measurement capability information. In order to make the base station know the measurement capability of the terminal, the terminal needs to perform pilot frequency or inter-system measurement under all frequency bands and CA combinations to report whether measurement gaps are needed. Therefore, the problems of large number of message bits, large amount of information and difficult reporting of the measurement capability can be solved. Compared with a 4G LTE system, a 5G NR (New Radio) system increases more frequency bands, and frequency band combination modes such as CA, 4G5G Dual connection (E-UTRA-NR Dual connection, EN-DC) and 5G4G Dual connection (NR-E-UTRA Dual connection, NE-DC) are increased, if the mode of reporting the measurement capability by a terminal under the LTE system is continuously used, the message information quantity of the measurement capability is more huge, and the reporting is more difficult.
Disclosure of Invention
The embodiment of the application provides a method and a device for reporting measurement capability, which are used for solving the problems that when a terminal reports the measurement capability of whether a measurement gap is needed, the bit number of reported messages is too large, and the reporting is difficult.
In one aspect, an embodiment of the present application provides a network system, including: the terminal resides in a first cell; the network device is configured to send a first capability query message to the terminal; receiving first capability information sent by a terminal; the first capability information includes: the frequency band and frequency band combination related to a first cell supported by the terminal, the frequency band and frequency band combination related to a second cell supported by the terminal, the measurement capability related to the first cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure the gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the measurement capability reported by the first capability information only comprises the measurement capability of the frequency band and the frequency band combination related to the first cell; determining whether a terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the first capability information; the terminal is configured to: receiving a first capability query message sent by network equipment; the first capability information is sent to the network device.
In this scheme, a cell in which the terminal resides is taken as a first cell, the frequency Band is Band1, an adjacent cell is taken as a second cell, and the frequency Band is Band 3. After receiving a first capability query message sent by a network device, a terminal may report first capability information, where the first capability information includes: (a) all the frequency bands and frequency band capabilities supported by the terminal, namely the frequency band and frequency band combination related to the first cell and the frequency band and frequency band combination related to the second cell. Illustratively, the frequency band capabilities supported by the terminal include, but are not limited to, cell 1 and cell 2, and if the terminal supports more cell frequency bands, all frequency bands and frequency band combinations supported by the terminal may be reported. For example, referring to table three, the frequency band capabilities supported by the terminal may be: band1, Band3, Band5 and Band38, wherein the frequency Band of a main cell (cell 1) where the terminal is located is Band 1; the different system frequency bands (NR supported band capability) supported by the terminal are: n77, N78; the frequency band combination supported by the terminal is as follows: band1a + Band1a,Band3a+Band5a、Band1a+Band38a、Band1a+Band3a+Band5a、Band3a+Band38a (a denotes the width of Band); (b) measurement capability, reporting only measurement capability related to the current primary cell (first cell); (c) and the indication information is used for informing the network equipment that the measurement capability reported by the first capability information only comprises the measurement capability of the frequency band and the frequency band combination related to the main cell. In the scheme, when the terminal reports the measurement capability message, the terminal only reports whether the frequency band and the frequency band combination capability related to a primary service area (Pcell) need to be configured with a measurement gap, and the reporting of the measurement capability of a large number of other frequency band combinations unrelated to the Pcell is omitted. Therefore, the message quantity reported by the measuring capacity can be greatly saved, and the success rate of reporting the measuring capacity is improved.
In a possible design, the network device corresponds the measurement capability reported by the terminal to the frequency band and frequency band combination sequence supported by the terminal according to the first capability information, and determines and records whether the terminal needs to allocate a measurement gap when performing inter-frequency or inter-system measurement on the frequency band and frequency band combination related to the first cell. According to the indication information in the capability information reported by the terminal, the network equipment can know that the measurement capability reported by the terminal only reports the measurement capability of the frequency band and the frequency band combination related to the main cell. Therefore, the network device needs to sequentially correspond the frequency bands and frequency band combinations related to the main cell among all the frequency bands and frequency band combinations supported by the terminal and reported by the terminal to the measurement capability only related to the current main cell, so as to determine the measurement capability of the frequency band and frequency band combination of the main cell. Then, the network device records the measurement capability information reported by the terminal, and does not need to inquire the measurement capability of the terminal after the terminal is accessed/switched to the cell with the same frequency band as the main cell.
And then, the network equipment can determine whether the terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the first capability information reported by the terminal. Generally speaking, a terminal initiates a Radio Resource Control (RRC) connection procedure in a primary cell PCell, and a network device determines whether to configure a measurement Gap according to a measurement capability reported by the terminal.
In one possible design, the network device is further configured to: and sending a first message to the terminal, wherein the first message is used for measuring the network parameters of the second cell and comprises the measurement gap information. If the terminal needs Gap to carry out different frequency or different system measurement, the network equipment issues a first message: and the measurement control information comprises frequency point information, measurement bandwidth, measurement parameters, measurement report parameters and the like, and a measurement Gap period is configured.
In one possible design, the network device is further configured to: and sending a second message to the terminal, wherein the second message is used for measuring the network parameters of the second cell and does not comprise the measurement gap information. If the terminal does not need to start Gap to carry out pilot frequency or inter-system measurement, the network equipment sends a second message: the control information is measured and no measurement gap is configured.
In one possible design, the terminal is further configured to: and sending the measurement report to the network equipment according to the first message or the second message.
In one possible design, the network device is further configured to: according to the measurement report, instructing the terminal to perform cell switching, and switching from the first cell to the second cell; sending a second capability query message to the terminal; receiving second capability information sent by the terminal; the second capability information includes: a frequency band related to a first cell supported by the terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, a measurement capability related to the second cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure the gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the second capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell; and determining whether the terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the second capability information. The terminal is further configured to: receiving a second capability query message sent by the network equipment; and sending the second capability information to the network equipment.
In the scheme, the network equipment analyzes according to a measurement result reported by the terminal, and if the network quality of the Pcell where the terminal equipment resides and the signal quality of the second cell meet preset conditions, the network equipment instructs the terminal to perform cell switching and switches from the first cell to the second cell, namely the second cell becomes a main cell. Wherein the cell switching comprises cell switching in the same system or cell switching between different systems. And the network device finds that the terminal does not camp in the second cell before through checking, and therefore issues a second capability query message, wherein the second capability query message comprises whether the query terminal needs to measure the gap. The terminal responds to the second capability query message and reports second capability information, wherein the second capability information comprises: all frequency bands supported by the terminal; frequency band combinations only associated with the current primary cell (cell 2); reporting the measurement capability only related to the current main cell; and indication information: and the measurement capability reporting the second capability information only comprises the measurement capability of the frequency band and the frequency band combination related to the main cell. In the scheme, in the second capability information reported by the terminal, other frequency band combinations except the main cell (second cell) do not need to be reported, so that the byte number of the reported message is further saved.
In one possible design, after the network device sends the second capability query message to the terminal, the network device is further configured to: the receiving terminal sends third capability information; the third capability information includes: second cell related measurement capability and indication information; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the third capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell; and determining whether the terminal needs to allocate a measurement gap when performing the inter-frequency or inter-system measurement according to the third capability information. The terminal is further configured to: and sending the third capability information to the network equipment.
In the scheme, in the third capability information reported by the terminal, only the measurement capability related to the main cell is reported, and the frequency band and frequency band combination of the cell supported by the terminal are not required to be reported, so that the byte number of the reported message can be further saved.
In a possible design, the determining, by the network device, whether a measurement gap needs to be allocated when the terminal performs inter-frequency or inter-system measurement according to the third capability information specifically includes: and the network equipment sequentially corresponds the measurement capability reported by the terminal and the frequency band capability reported by the terminal before according to the third capability information, and determines and records whether the terminal needs to allocate a measurement gap when performing different-frequency or different-system measurement on the frequency band and frequency band combination related to the second cell. In the scheme, according to the indication information in the capability information reported by the terminal, the network device can know that the measurement capability reported by the terminal only reports the measurement capability of the frequency band and the frequency band combination related to the main cell. Therefore, the network device needs to correspond the frequency band and the frequency band combination related to the current primary cell in the capability information reported by the terminal before to the measurement capability only related to the current primary cell reported by the terminal in sequence, so as to determine the measurement capability of the frequency band and the frequency band combination where the current primary cell is located. And the network equipment records the measurement capability information reported by the terminal, and does not need to inquire the measurement capability of the terminal after re-accessing/switching to the cell with the same frequency band of the main cell.
In one possible design, the network device is further configured to: instructing the terminal to perform cell switching, and switching from the second cell to the first cell; and not sending the third capability query message to the terminal.
In the scheme, after the network device indicates that the terminal is switched back from the second cell to the first cell, the network device can know that the terminal has reported the capability information of the relevant frequency band and the frequency band combination of the first cell before, so that the measurement capability of the terminal does not need to be inquired again.
In one possible design, the frequency band combination includes at least one of: carrier Aggregation (CA), 4G5G Dual Connectivity (EN-DC), 5G4G Dual Connectivity (NR-E-UTRA Dual Connectivity, NE-DC), independent networking (SA), and non-independent Networking (NSA) band combination.
In one possible design, the indication is MeasurementCapabiltyOnlyPcellRelated, where MeasurementCapabiltyOnlyPcellRelated: and True indicates that the measurement capability reported by the terminal only comprises the measurement capability of the frequency band and the frequency band combination related to the main cell. When the terminal resides in the first cell, the primary cell is the first cell, and the measurement capability reported by the terminal only includes the measurement capability of the frequency band and the frequency band combination related to the first cell. When the terminal is switched from the first cell to the second cell, the primary cell is the second cell, and the measurement capability reported by the terminal only includes the measurement capability of the frequency band and the frequency band combination related to the second cell.
In one possible design, the capability information includes at least any one of InterfreqNedForGaps and InterRAT-NedForGaps.
In a second aspect, an embodiment of the present application provides an electronic device, including: one or more processors; a memory; a plurality of application programs; and one or more computer programs, wherein the one or more computer programs are stored in the memory, the one or more computer programs comprising instructions which, when executed by the electronic device, cause the electronic device to perform the steps of: receiving a first capability query message sent by network equipment; responding to a first capability query message, and reporting first capability information, wherein the first capability information comprises: the frequency band and frequency band combination related to a first cell supported by the terminal, the frequency band and frequency band combination related to a second cell supported by the terminal, the measurement capability related to the first cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure the gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network device, and the measurement capability reported by the first capability information only includes the measurement capability of the frequency band and the frequency band combination related to the main cell.
In one possible design, the electronic device further performs the following steps: and receiving a first message sent by the network equipment, wherein the first message is used for measuring the network parameters of the second cell and comprises measurement gap information.
In one possible design, the measurement gap information is determined by the network device based on the first capability information, including: and the network equipment corresponds the measurement capability reported by the terminal to the frequency band and frequency band combination sequence supported by the terminal according to the first capability information, and determines and records whether the terminal needs to allocate a measurement gap when the terminal performs pilot frequency or inter-system measurement on the frequency band and frequency band combination related to the first cell. After determining the measurement capability of the terminal in the frequency band and the frequency band combination of the main cell, if the terminal needs to measure the gap in the pilot frequency or the pilot system, the network device allocates the measurement gap and issues measurement control information, including frequency point information, measurement bandwidth, measurement parameters, measurement report parameters, and the like. If the terminal does not need the measurement gap during the measurement of the pilot frequency or the different system, the network equipment does not allocate the measurement gap and directly issues the measurement control information.
In one possible design, the electronic device further performs the steps of: and sending a measurement report to the network equipment according to the first message.
In one possible design, the electronic device further performs the following steps: switching from the first cell to the second cell; receiving a second capability query message sent by the network equipment; sending second capability information to the network device; the second capability information includes: a frequency band related to a first cell supported by the terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, a measurement capability related to the second cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network device, and the second capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell.
In a possible design, after receiving the second capability query message sent by the network device, the electronic device further performs the following steps: sending third capability information to the network device; the third capability information includes: measurement capabilities, and indication information, related to the second cell; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network device, and the third capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell.
In one possible design, the electronic device further performs the following steps: switching from the second cell to the first cell; and not receiving a third capability query message sent by the network equipment.
In one possible design, the frequency band combination includes at least one of: carrier Aggregation (CA), 4G5G Dual Connectivity (E-UTRA-NR Dual Connectivity, EN-DC), 5G4G Dual Connectivity (NR-E-UTRA Dual Connectivity, NE-DC), independent networking (SA), and non-independent Networking (NSA) band combination.
In one possible design, the indication is MeasurementCapabiltyOnlyPcellRelated, where MeasurementCapabiltyOnlyPcellRelated: true indicates that the measurement capability that needs to be reported by the terminal only includes the measurement capability of the frequency band and the frequency band combination related to the main cell.
In one possible design, the capability information includes at least any one of InterfreqNedForGaps and InterRAT-NedForGaps.
In a third aspect, an embodiment of the present application provides a chip system, where the chip system includes a processor and a memory, where the memory stores instructions; the instructions, when executed by the processor, cause the system-on-chip to perform the steps of: receiving a first capability query message sent by network equipment; responding to the first capability query message, and reporting first capability information, wherein the first capability information comprises: a frequency band and a frequency band combination related to a first cell supported by the terminal, a frequency band and a frequency band combination related to a second cell supported by the terminal, a measurement capability related to the first cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network device, and the measurement capability reported by the first capability information only includes the measurement capability of the frequency band and the frequency band combination related to the first cell.
In a fourth aspect, an embodiment of the present application provides a method for reporting measurement capability, including: the terminal resides in a first cell; the network equipment sends a first capability query message to the terminal; the network equipment receives first capability information sent by the terminal; the first capability information includes: a frequency band and a frequency band combination related to a first cell supported by the terminal, a frequency band and a frequency band combination related to a second cell supported by the terminal, a measurement capability related to the first cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the measurement capability reported by the first capability information only comprises the measurement capability of the frequency band and the frequency band combination related to the first cell; and the network equipment determines whether the terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the first capability information.
In a possible design, the determining, by the network device, whether a measurement gap needs to be allocated when the terminal performs inter-frequency or inter-system measurement according to the first capability information specifically includes: and the network equipment corresponds the measurement capability reported by the terminal to the frequency band and frequency band combination sequence supported by the terminal according to the first capability information, and determines and records whether the terminal needs to allocate a measurement gap when the terminal performs different-frequency or different-system measurement on the frequency band and frequency band combination related to the first cell.
In one possible design, the network device sends a first message to the terminal, where the first message is used to measure a network parameter of the second cell, and the first message includes measurement gap information.
In one possible design, the network device sends a second message to the terminal, where the second message is used to measure a network parameter of the second cell, and the second message does not include measurement gap information.
In one possible design, the network device receives a measurement report sent by the terminal.
In one possible design, the network device instructs the terminal to perform cell handover from the first cell to the second cell according to the measurement report; sending a second capability query message to the terminal; receiving second capability information sent by the terminal; the second capability information includes: a frequency band related to a first cell supported by the terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, a measurement capability related to the second cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network equipment, and the second capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell; and determining whether the terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the second capability information.
In a possible design, after sending the second capability query message to the terminal, the network device receives third capability information sent by the terminal; the third capability information includes: measurement capabilities, and indication information, related to the second cell; the measurement capability is used for indicating whether the terminal needs to measure the gap during the measurement of the different frequency or the different system; the indication information is used for informing the network equipment, and the third capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell; and determining whether the terminal needs to allocate a measurement gap when performing pilot frequency or inter-system measurement according to the third capability information.
In a possible design, the determining, according to the third capability information, whether a measurement gap needs to be allocated when the terminal performs inter-frequency or inter-system measurement specifically includes: and the network equipment corresponds the measurement capability reported by the terminal to the frequency band capability reported by the terminal before according to the third capability information, and determines and records whether the terminal needs to allocate a measurement gap when the terminal performs pilot frequency or inter-system measurement on the frequency band and the frequency band combination related to the second cell.
In one possible design, the network device instructs the terminal to perform cell handover from the second cell to the first cell; and not sending the third capability query message to the terminal.
In one possible design, the frequency band combination includes at least one of: carrier Aggregation (CA), 4G5G Dual Connectivity (EN-DC), 5G4G Dual Connectivity (NR-E-UTRA Dual Connectivity, NE-DC), independent networking (SA), and non-independent Networking (NSA) band combination.
In one possible design, the indicator is measurementcapaltyonlypcell related, where measurementcapalytyonlypcell related: and True indicates that the measurement capability reported by the terminal only comprises the measurement capability of the frequency band and the frequency band combination related to the main cell.
In one possible design, the capability information includes at least any one of InterfreqNedForGaps and InterRAT-NedForGaps.
In a fifth aspect, a computer-readable storage medium is provided, which may be a readable non-volatile storage medium, and the computer-readable storage medium stores instructions that, when executed on a computer, enable the computer to perform the method for reporting measurement capability according to the fourth aspect or any one of the above possible designs.
A sixth aspect provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method for reporting measurement capability of the fourth aspect or any one of the possible designs of the above aspects.
In a seventh aspect, an embodiment of the present application provides an apparatus, where the apparatus has a capability of implementing the above-mentioned enhancement of terminal device measurement. The functions may be implemented by hardware, or may be implemented by hardware executing corresponding software, where the hardware or software includes one or more modules corresponding to the functions, and the modules may be hardware and/or software.
Drawings
FIG. 1 is a schematic diagram of a measurement interval provided by an embodiment of the present application;
fig. 2 is a schematic diagram of a network system provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a communication device according to an embodiment of the present application;
fig. 4 is a schematic diagram of a measurement capability reporting method according to an embodiment of the present application;
fig. 5 is a schematic diagram of another measurement capability reporting method according to an embodiment of the present application;
fig. 6 is a schematic diagram of a chip system provided in an embodiment of the present application;
Detailed Description
Currently, according to the specification of the 3GPP protocol, LTE may identify the measurement capability of the current terminal device in the capability information through an interfrequenetforgaps/interRAT-needleforgaps cell. The description in the protocol is "indicative for the measurement Gaps, the phase operation on the E UTRA band, the entry in the ListEUTRA or the E-UTRA band, the entry in the inner band" and "indicative for the DL measurement Gaps, the phase operation on the E A band, the entry in the inner band" and "indicative for the E UTRA band, the entry in the layer band, the phase operation in the layer band, the layer band, and the layer of the layer. The method specifically comprises the following steps: the InterfreqNedForGaps is used for identifying whether a certain CA combination or a serving cell measures different frequency points for single band and needs Gap, and the InterRAT-NedForGaps is used for identifying whether a certain CA combination or a serving cell measures different systems for single band and needs Gap.
Whether the inter-frequency band or the inter-system band requires a measurement gap can be measured by a 1 bit (bit) False (f) or True (t) indication serving area band/CA combination, where True is required and False is not required. By the method, the terminal reports whether measurement gaps are needed in all pilot frequency bands or different system frequency bands which need to be measured by all frequency band/CA combinations supported by the terminal through the capability information, and the network equipment determines whether the measurement gaps are configured during measurement according to the capability information reported by the terminal.
For convenience of description, the first table may be understood as the measurement capability of the current terminal device, and it should be noted that the first table merely provides a representation of the measurement capability of the terminal device. As shown in table one, the inter-frequency measurement capability (for example, identified by cell inter freeqneedleforgaps) and the inter-system measurement capability (for example, identified by cell inter rat-needleforgaps) of the terminal device are shown, and hereinafter referred to as "measurement capability" or "whether to measure gaps" or "whether to allocate gaps capability" or "Gap capability", "Gap measurement capability", and the like.
Exemplarily, as shown in table one, the LTE Band capabilities supported by the terminal are Band1, Band3, Band5, Band 38;
the terminal supported CA capabilities are Band1a + Band1a, Band3a + Band5a, Band1a + Band38a, Band1a + Band3a + Band5a and Band3a + Band38 a; where a represents the width of the frequency band. Illustratively, Band1 may be a Band from 1920MHz to 1980MHz, and Band1a + Band1a may be a carrier aggregation of 1920MHz to 1930MHz +1960MHz to 1980 MHz.
Exemplary different system (2G system) band capabilities supported by the terminal are gsm850 and gsm 1800. Meanwhile, the first table shows that the capability message reported by the terminal includes the measurement capability, that is, the terminal executes the capability of performing inter-frequency or inter-system measurement on whether the measurement gap is needed or not in the scene of the supported frequency band and frequency band combination. T indicates that a measurement gap is required and F indicates that a measurement gap is not required. Illustratively, as shown in the third row of the second column of table one, when the terminal resides in the serving area Band1 to measure the signal quality of the inter-frequency Band3, no measurement gap is required. Again as shown in the eighth column, seventh row of table one, a measurement gap is required when the terminal measures the signal quality of the iso system gsm1800 in the service area Band1a + Band38 a. Illustratively, Band1 may be a Band from 1920MHz to 1980MHz, Band1 may measure the signal quality of Band1, and Band1 may be a Band from 1920MHz to 1930MHz may measure the signal quality of Band1 from 1960MHz to 1980 MHz.
And then, the network equipment can inquire whether the terminal needs to be configured with the measurement gap or not when the terminal carries out the inter-frequency or inter-system measurement according to the measurement capability reported by the terminal.
Watch 1
Figure GDA0003553048360000071
Figure GDA0003553048360000081
Assuming that N is the number of frequency bands supported by the terminal, M is the number of frequency bands of different systems supported by the terminal, and L is the number of CA combinations supported by the terminal, the number of information bits that the terminal needs to report is (N + L) × (N + M) when reporting the capability information. Taking table one as an example, N is 4, M is 2, and L is 5. At present, a terminal can typically support 500 CA combinations, 20 inter-frequency Band measurements, and 10 inter-system measurements, and the message amount to be reported is (20+500) × (20+10) ═ 15,600 bits. Therefore, the amount of reported messages is large, the reporting process is difficult, and errors are easy to occur.
The current report message does not support the measurement capability report of 5G NR. The 5G NR supports more frequency bands, and supports more frequency band combinations such as 4G5G dual-connection EN-DC, 5G4G dual-connection NE-DC, NR CA and the like. The measurement of the NR inter-frequency and LTE inter-system is required, the measurement of the 2G3G inter-system is also required under the non-independent networking NSA, and more inter-frequency and inter-system are required. Therefore, the UE is more difficult to support the inter-frequency/inter-system signal quality measurement without configuring the measurement gap under all frequency band combinations. As shown in table two, the frequency bands supported by the partial 5G NR system. The supported frequency band combinations of the 5G NR and the frequency band combinations required to be measured are more than that of the LTE, and if the reporting method of the measurement capability message of the LTE is continuously used, the message amount is more huge and the reporting is more difficult.
Watch two
Figure GDA0003553048360000082
The embodiment of the application provides a method and a device for reporting measurement capability, which are used for solving the problems of too many reported message bit numbers, large message quantity and difficulty in reporting whether measurement gaps are needed in the measurement capability in a communication system. The UE only reports the measurement capability of the frequency band and the frequency band combination related to the current main cell according to the resident main cell instead of reporting the measurement capability of all the frequency bands and the frequency band combination.
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The measurement capability reporting method provided by the embodiment of the application can be used for supporting various communication systems, such as: can be applied to the fourth generation (4)thgeneration, 4G) system, Long Term Evolution (LTE) system, fifth generation (5th generation, 5G) system, New Radio (NR) system, and any of the vehicle-to-any communication (V2X) systems, and may be applied to other next-generation communication systems, and the like, without limitation. The method provided by the embodiment of the present application is described below by taking the communication system shown in fig. 2 as an example.
Fig. 2 is a schematic diagram of a communication system provided in an embodiment of the present application, and as shown in fig. 2, the communication system includes at least one terminal device 100 and at least one network device 1. The terminal can be located in the coverage area of the network equipment and connected with the network equipment.
The network device in fig. 2 is mainly used to implement functions of resource scheduling, radio resource management, radio access control, and the like of the terminal. Specifically, the network device may be AN Access Network (AN)/Radio Access Network (RAN) device, or a device composed of multiple 5G-AN/5G-RAN nodes, or may be any one of a network device (nodeB, NB), AN evolved node b (eNB), a next generation network device (gNB ), a transmission point (TRP), a Transmission Point (TP), a roadside unit (RSU), and some other access node, which is not limited. In this embodiment of the present application, the apparatus for implementing the function of the network device may be a network device, or may be an apparatus or a functional module, such as a chip system, that can support the network device to implement the function. The following describes a measurement capability reporting method provided in this embodiment, by taking a device for implementing a function of a network device as an example.
The terminal in fig. 2 may be a terminal equipment (terminal equipment) or a User Equipment (UE), or a Mobile Station (MS) or a Mobile Terminal (MT), etc. Such as: the terminal in fig. 2 may be a mobile phone (mobile phone), a tablet computer, or a computer with a wireless transceiving function, and may also be a Virtual Reality (VR) terminal, an Augmented Reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in a smart grid, a wireless terminal in a smart city (smart city), a smart home, a vehicle-mounted terminal, and the like. In the embodiment of the present application, the apparatus for implementing the function of the terminal may be the terminal, or may be an apparatus capable of supporting the terminal to implement the function, such as a chip system. The following describes a measurement capability reporting method provided in this embodiment, by taking a device for implementing a function of a terminal as an example.
It should be noted that fig. 2 is only an exemplary framework diagram, the number of nodes included in fig. 2 is not limited, and the communication system shown in fig. 2 may include other nodes besides the functional nodes shown in fig. 2, such as: core network devices, gateway devices, application servers, etc., without limitation.
The network device 1 may be a 4G base station, that is, an eNB, which supports an LTE function, and generally may include at least one serving cell (cell), that is, a serving cell 1, according to a radio coverage of the eNB, where the cell is an area providing a wireless communication service for a user and is a basic component unit of a wireless network, and the eNB may also be divided into multiple cells, where each cell may use different wireless carriers, and each wireless carrier uses a certain carrier frequency point. For convenience of description, each cell corresponds to a network device, but the present invention is not limited thereto, and a network device may also correspond to a plurality of different cells, including a primary cell and a plurality of secondary cells.
In wireless technology, the concept of CA (Carrier Aggregation) is introduced, which can aggregate multiple carriers into a wider spectrum, and can also aggregate discontinuous spectrum fragments together, and Carrier Aggregation (CA) is understood to be Aggregation of 2 or more Carrier units (Component carriers, CCs) to support a larger transmission bandwidth, and in order to efficiently utilize fragmented spectrum, CA supports multiple ways of Aggregation: CCs of the same or different bandwidths; CCs in the same frequency band, contiguous or non-contiguous; CCs in different frequency bands.
Each carrier cell CC corresponds to an independent cell, and can be divided into the following types of cells in a CA scenario:
primary Cell (Primary Cell, Pcell): the primary cell is a cell operating on the primary frequency band, i.e. a cell in which the terminal currently resides. The terminal device performs an initial connection establishment procedure in the cell, or starts a connection re-establishment procedure. The cell is indicated as primary during handover;
secondary Cell (Scell): a secondary cell is a cell operating on a secondary frequency band. Once an RRC (Radio Resource Control) connection is established, the secondary cell may be configured to provide additional Radio resources;
serving Cell: if no CA is configured, only one Serving Cell, namely PCell, exists in the terminal equipment in the RRC _ CONNECTED connection state; if CA is configured, the Serving Cell set is composed of a PCell and an SCell;
the Pcell and the secondary cell Scell are user-level concepts for CA users, the carrier initially accessed by the user is the Pcell of the CA user, and the primary cell is a cell working on a primary frequency band. The terminal equipment performs an initial connection establishment process in the cell or starts a connection re-establishment process. The cell is indicated as primary during handover; a secondary cell is a cell operating on a secondary frequency band. Once an RRC (Radio Resource Control) connection is established, the secondary cell may be configured to provide additional Radio resources (see section 3.1 of 36.331).
For example, as shown in table one, the CA combination supported by the terminal may be Band1a + Band38a, where Band1 may be the frequency Band of the primary cell, and Band38 may be the frequency Band of the secondary cell.
In a specific implementation, the terminal and the network device shown in fig. 2 may adopt the component structure shown in fig. 3 or include the components shown in fig. 3.
Fig. 3 is a schematic diagram illustrating a communication device 300 according to an embodiment of the present application, where the communication device 300 is configured to implement a communication method according to the embodiment of the present application. As shown in fig. 3, the communication device 300 includes at least one processor 301, a communication line 302, and at least one communication interface 303; further, a memory 304 may also be included. The processor 301, the memory 304 and the communication interface 303 may be connected by a communication line 302. In the embodiments of the present application, at least one of the two or more may be one, two, three or more, and the embodiments of the present application are not limited.
The processor 301 may be a Central Processing Unit (CPU), a general purpose processor Network (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The processor may also be any other means having a processing function such as a circuit, device or software module.
Wherein the communication lines 302 may include pathways for communicating information between components included in the communication device.
The communication interface 303 may be used for communicating with other devices or communication networks (e.g., ethernet, Radio Access Network (RAN), Wireless Local Area Network (WLAN), etc.). Communication interface 303 may be a module, circuitry, transceiver, or any device capable of enabling communication.
Wherein the memory 304 may be a read-only memory (ROM) or other type of static storage device that may store static information and/or instructions, a Random Access Memory (RAM) or other type of dynamic storage device that may store information and/or instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disk read-only memory (CD-ROM) or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
In one possible design, the memory 304 may exist separately from the processor 301, i.e., the memory 304 may be a memory external to the processor 301, in which case the memory 304 may be coupled to the processor 301 via the communication line 302 for storing instructions or program code. The processor 301, when calling and executing the instructions or program codes stored in the memory 304, can implement the communication method provided by the following embodiments of the present application. In yet another possible design, the memory 304 may also be integrated with the processor 301, that is, the memory 304 may be an internal memory of the processor 301, for example, the memory 304 is a cache memory, and may be used for temporarily storing some data and/or instruction information, and the like.
As one implementation, the processor 301 may include one or more CPUs, such as CPU0 and CPU1 in fig. 3. As another implementation, the communication device 300 may include multiple processors, such as the processor 301 and the processor 307 in fig. 3. As yet another implementable manner, the communications apparatus 300 may further include an output device 305 and an input device 306. Illustratively, the input device 306 may be a keyboard, mouse, microphone, or joystick-like device, and the output device 305 may be a display screen, speaker (spaker), or like device.
It should be noted that the communication apparatus 300 may be a general-purpose device or a special-purpose device. For example, the communication apparatus 300 may be a desktop computer, a portable computer, a web server, a PDA, a mobile phone, a tablet computer, a wireless terminal, an embedded device, a system-on-a-chip, or a device having a similar structure as in fig. 3. The embodiment of the present application does not limit the type of the communication apparatus 300. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.
In addition, acts, terms, and the like referred to between the embodiments of the present application may be mutually referenced and are not limited. In the embodiment of the present application, the name of the message or the name of the parameter in the message that is interacted between the devices is only an example, and other names may also be used in specific implementation, which is not limited.
The following describes a measurement capability reporting method provided in the embodiment of the present application with reference to the communication system shown in fig. 2. Each device mentioned in the following method embodiments may have a component shown in fig. 3, and is not described again. In addition, in the following embodiments of the present application, names of messages interacted between network elements or names of parameters in the messages are only an example, and other names may also be used in a specific implementation. For example, the cell 1 in the following embodiments may also be named as a serving cell 1 or a first cell, and the cell 2 may also be named as a serving cell 2 or a second cell.
The following describes a measurement capability reporting method provided in the embodiment of the present application with reference to the communication system shown in fig. 2.
Fig. 4 is a flowchart of a terminal registering an initial access network according to an embodiment of the present disclosure. In this embodiment, when reporting the capability information, the terminal may only report the measurement capability of the frequency band and the frequency band combination related to the primary cell. As shown in fig. 4, taking the network device as an LTE system, where the primary cell is cell 1, the frequency Band is Band1, the neighboring cell is cell 2, and the frequency Band is Band3 as an example, the method may include: step 401: the network equipment sends a first capability query message to the terminal, wherein the first capability query message comprises whether the terminal needs to measure the gap;
illustratively, the network device may issue the first capability query message via UECapabilityEnqury.
In the embodiment of the present application, for example, a terminal initially registers to access a cell 1 network, generally speaking, a terminal device needs to register to the network when it wants to acquire a service, this registration process is called Attach (for example, an LTE system), and the terminal device may report a measurement capability of the terminal device in the Attach process. According to protocol specifications, for example, the parameters identifying the current terminal device measurement capability may be interfreqneedleforgaps and interRAT-needleforgaps.
Step 402: the terminal reports first capability information, wherein the first capability information comprises:
(a) all frequency band capabilities and frequency band combination capabilities supported by the terminal;
for example, referring to table three, the terminal supports the following frequency band capabilities: band1, Band3, Band5 and Band38, wherein the frequency Band of a main cell (cell 1) where the terminal is located is Band 1; the different system frequency bands (NR supported band capability) supported by the terminal are: n77, N78; the frequency band combination supported by the terminal is as follows: band1a + Band1a, Band3a + Band5a, Band1a + Band38a, Band1a + Band3a + Band5a, Band3a+Band38a (a indicates the width of the Band).
In the 4G LTE system, the band combination may refer to a CA combination, and in the 5G NR system, the band combination may be a band combination manner such as EN-DC, NE-DC, SA, NSA, and the like.
(b) Measurement capability: reporting the measurement capability only related to the current main cell;
only reporting the measurement capability of the frequency band and the frequency band combination related to the main cell, namely, the capability of the terminal to execute the inter-frequency or inter-system measurement to measure whether the measurement gap is needed in the current main cell frequency band or in the scene of the frequency band combination related to the main cell.
For example, taking the frequency Band of the primary cell where the terminal is located as Band1, the frequency Band and frequency Band combination related to the primary cell in table three is: band1, Band1a + Band1a, Band1a + Band38a, Band1a + Band3a + Band5 a. The terminal only reports whether the frequency band and the frequency band combination capability related to the main cell need to configure the measurement gap, for example: band1 does not require measurement of Band1, Band1a + Band1a for Band1, Band1a + Band1a for Band3, etc. Referring to the second, sixth, eighth and ninth columns in table four, a total of 24 bits need to be reported (in the prior art, measurement capabilities of all frequency bands and frequency band combinations need to be reported, and a total of 9 × 6 to 54 bits). The reporting of whether other frequency bands and frequency Band combinations which do not contain the main cell need to measure the gap is omitted, for example, Band3 measures Band1, Band3 measures Band3, Band5 measures Band1, Band5 measures Band3, Band3a + Band5a measures Band1, Band3a + Band5a measures Band3, and the like, as shown in the gray part in table four. Where T denotes that a measurement gap is required and F denotes that a measurement gap is not required.
(c) Indication message: the first capability information is used for informing the network device that the first capability information only reports the measurement capability of the frequency band and the frequency band combination related to the main cell, the measurement capability of all the frequency band combinations is not reported, and the measurement capability of the terminal needs to be inquired after the cell is switched.
Illustratively, the indication message may be measurementcapalltyonlypcellrelated, which may be indicated by 1 bit false (f) or true (t).
MeasurementCapabiltyOnlyPcellRelated: true (1): when the bit information is True, the measurement capability message indicating whether the measurement gap is needed or not reported by the current terminal is only the information related to the frequency band of the main cell. The network device needs to correspond the measurement capability reported by the terminal to the frequency band and frequency band combination sequence related to the main cell, and needs to determine whether the measurement capability of the frequency band and frequency band combination related to the new cell has been reported after switching to the new cell. If the report is reported, the inquiry is not required to be repeated, otherwise, the inquiry is required to be repeated.
Measurementcapabiltyonlypcell related: false (0): when the bit information is False or not reported, the measurement capability information which indicates whether the measurement gap is required or not reported by the current terminal is reported according to the current existing mode, and the processing mode of the network equipment is unchanged.
In this embodiment, the indication message measured capacity only on particle filtered: and (6) True.
Step 403: the network equipment records the measurement capability information of the terminal.
And the network equipment inquires according to the first capability information reported by the terminal, and sequentially corresponds the frequency band and frequency band capability supported by the terminal to the reported measurement capability related to the main cell, thereby determining the measurement capability of the frequency band and frequency band combination related to the main cell and recording the measurement capability.
According to the indication information MeasurementCapablyOnlyPcell related in the capability information reported by the terminal: true, the network device can know that the measurement capability reported by the terminal only reports the measurement capability of the frequency band and the frequency band combination related to the main cell. Therefore, the network device needs to determine the measurement capability of the frequency band and frequency band combination where the main cell is located, by corresponding the frequency band capability and frequency band combination capability related to the main cell among all the frequency band capabilities and frequency band combination capabilities supported by the terminal and reported in step 502(a) to the measurement capability sequence only related to the current main cell and reported by the terminal in step 502 (b). Then, the network device records the measurement capability information reported by the terminal, and does not need to inquire the measurement capability of the terminal after the terminal is accessed/switched to the cell with the same frequency band as the main cell.
Watch III
Figure GDA0003553048360000121
Figure GDA0003553048360000131
Watch four
Figure GDA0003553048360000132
The current system meets the trigger condition, and may initiate inter-frequency or inter-system measurement, for example, the condition for triggering cell measurement may be an a2 event specified in the protocol, that is, the signal quality of the current serving cell (cell 1) is lower than a predetermined threshold, that is, Ms + Hys < Thresh, where Ms is the serving cell measurement result; hys is the inter-frequency (Band3) amplitude hysteresis; thresh is an A2 pilot frequency threshold based on a certain event, and A2 is used for starting pilot frequency or inter-system measurement; in a possible embodiment, the network device needs to actively initiate a requirement for measuring the neighboring cell, and may also be a trigger condition such as mobility measurement of the terminal. And then, the network equipment can determine whether to allocate corresponding Gap according to the triggering condition and the measurement capability reported by the terminal equipment.
Step 404: and the network equipment determines whether Gap needs to be allocated according to the measurement capability reported by the terminal.
Generally, a terminal initiates a Radio Resource Control (RRC) connection procedure in a primary cell PCell, and a network device determines whether to configure a measurement Gap according to a measurement capability reported by the terminal. If the terminal needs Gap to measure the pilot frequency, the network equipment sends down measurement control information (frequency point information, measurement bandwidth, measurement parameters, measurement report parameters and the like) and configures a measurement Gap period; and if the terminal does not need to start the Gap for measurement, the network equipment skips the configuration of measuring the Gap and directly issues measurement control information.
Step 405: when the network device determines that the Gap needs to be allocated to the terminal according to the measurement capability reported by the terminal, the network device issues measurement control information (frequency point information, measurement bandwidth, measurement parameters, measurement report parameters, and the like) and configures a measurement Gap period through radio resource control layer Reconfiguration message (RRC Connection Reconfiguration), that is, the network device sends a first message to the terminal.
Generally, the network device sends measurement control information as needed, and configures a Gap period to the terminal device for measuring information of inter-frequency or inter-system cells.
In an embodiment, when the network device determines that Gap does not need to be allocated to the terminal according to the measurement capability reported by the terminal device, the network device configures measurement control messages such as a frequency point, a measurement threshold, a measurement bandwidth, a measurement parameter, a measurement report parameter, and the like in a radio resource control layer Reconfiguration message (RRC Connection Reconfiguration), and does not allocate Gap-related information, that is, the network device sends a second message to the terminal.
Step 406: and the terminal carries out measurement according to the measurement control information sent by the network equipment and reports a measurement report.
Illustratively, the terminal may report the measurement report through a MeasurementReport message.
The network device analyzes according to the measurement result reported by the terminal, if the signal quality of the neighboring cell (cell 2) is better than that of the current main cell, and determines that cell switching is needed by combining other network switching strategies, step 407 is executed to perform cell switching. Otherwise, the cell switching is not carried out.
Measurement Report (MR) is an important function of LTE systems. The measurement result reported by the physical layer may be used for the radio resource control sublayer in the system to complete triggering of events such as cell selection/reselection and handover, and may also be used for functions such as network neighbor maintenance and SCG addition, and the LTE MR report may further include reference signal received power, reference signal received quality, eNB received interference power, eNB antenna arrival angle, terminal device transmission power headroom, uplink packet loss rate, downlink packet loss rate, uplink signal-to-noise ratio, PRB granularity eNB received interference power, and the like. Based on the MR, the whole network coverage condition, the interference condition, the uplink high transmission power, and the terminal device location analysis can be performed, for example, the whole network interference condition can be statistically analyzed by using the eNB reception interference power RIP in the MR, and the high interference cell can be located. In the connected state, network measurement usually has several purposes as follows:
1. and switching the Pcell, when the network quality of the Pcell where the terminal device resides meets a preset condition, for example, the signal quality of the current cell is lower than a threshold value, namely an A2 Event (Event A2) is triggered, and the network allocates an abnormal frequency point for measuring the network quality of the neighbor cell. The same-frequency neighbor cell measurement network does not need to indicate, and the terminal equipment can measure at any time in a connected state.
2. The addition of the Scell, if the measured cell satisfies the a4 event, i.e. EvenA4, the triggering condition of the a4 event may be understood as that when the measured cell is greater than a certain threshold allocated by the network, the network may configure the Scell for the user, and the user may perform data exchange with the core network through the Pcell and the Scell cell. For example, as shown in fig. 2, when the terminal device resides in a serving cell 1, where the serving cell 1 is Pcell, after the CA technology is adopted, the terminal device needs to measure network parameters of neighboring cells (e.g., serving cell 2 or serving cell 3), and when the measured network parameters of the neighboring cells satisfy a certain threshold value configured by the network side, that is, a trigger condition of an a4 event is satisfied, the network side may configure a Scell cell for the terminal device, so as to implement high-bandwidth data transmission.
3. And performing operations such as network system operation maintenance, pilot frequency adjacent cell automatic configuration and the like through the measurement report.
4. In some special scenarios, such as LTE dual-connection Eutran-dual connectivity (EE-DC) and EN-DC dual-link, the terminal device also needs to measure a target cell in dual-link, such as measuring NR (5G cell or LTE cell).
Step 407: and the network equipment indicates the terminal to carry out cell switching according to the measurement result reported by the terminal.
Illustratively, the neighboring cell is cell 2, and the network device instructs the terminal to perform cell switching according to the measurement result reported by the terminal. Cell 2 then becomes the primary cell. And the network device needs to inquire whether the terminal has reported the measurement capability related to the cell 2, and if so, the network device does not need to inquire the measurement capability of the terminal after switching to the cell 2. Otherwise, step 408 is performed.
For example, the request for initiating the intra-frequency/inter-frequency handover may be an a3 event specified in the protocol, that is, the quality of the intra-frequency/inter-frequency neighbor cell is higher than the quality of the serving cell by a certain threshold, that is, Mn + Ofn + Ocn-Hys > Ms + Ofs + Ocs + Off, where Mn: neighbor cell (cell 2) measurement results; ms: serving cell (cell 1) measurement results; ofn: frequency offset, namely specific frequency offset of adjacent cell frequency, is determined by a parameter Qoffset Freq, and the larger the parameter is set, the more difficult the UE reselects to a cell with a specific frequency point; the smaller the parameter is set, the easier the UE reselects to a specific pilot frequency point cell. Typically set to 0db or 1 db; ofs: the frequency offset, the specific frequency offset of the serving cell frequency, is determined by the parameter QoffsetFreq. When the serving cell and the neighboring cell are in the same frequency, Ofn and Ofs can be ignored generally; and Ocn: the cell offset, the specific cell offset of the neighbor, is determined by the parameter cellndividualoffset (cio). The method is used for controlling the difficulty degree of the occurrence of the same frequency/different frequency measurement events, and the reporting of the same frequency measurement report is more easily triggered when the value is larger. Setting in a neighboring cell, wherein a positive value is easy to switch to the neighboring cell, a negative value becomes difficult, and a specific cell level parameter is usually set to 0 in db (decibel); and Ocs: the serving cell offset, the cell specific offset of the serving cell, is determined by the parameter cellspecific offset. The method is used for controlling the difficulty degree of triggering switching between the service cell and the adjacent cell, and the smaller the value is, the easier the measurement report is triggered to report. This value is typically set to 0, in db (decibels); hys: the intra-frequency switching amplitude hysteresis is an event a3 hysteresis parameter and is determined by a parameter IntraFreqHoA3 Offset. The parameter represents the delay of the same-frequency switching measurement event A3, the triggering times of the same-frequency switching event caused by the fluctuation of wireless signals can be reduced, the ping-pong switching and the misjudgment are reduced, and the ping-pong and the misjudgment are more easily prevented when the value is larger. The pilot frequency a3 amplitude hysteresis takes the same value as the parameter. Typically set to 4, i.e., 2db (unit 0.5 db); and Off: the intra-frequency handover Offset is an event a3Offset parameter and is determined by a parameter IntraFreqHoA3 Offset. When a positive value is taken, the difficulty of event triggering is increased at the moment, and the switching is delayed; when taking the negative value, the difficulty of event triggering is reduced at this moment, and switching is carried out in advance. Typically set to 2, i.e. 1db (unit 0.5 db). If frequency offset, cell offset and serving cell offset are ignored, that is, Mn > MS + Off + Hys (measured value of neighboring cell > measured value of serving cell + hysteresis and offset of same-frequency handover amplitude), it can be generally considered that the neighboring cell is larger than the serving cell by 3db, and handover occurs. The inter-frequency handover trigger event type is set to A3, typically to 2 or 4, i.e. 1db or 2db (0.5 db in units), depending on the inter freqhoa3Offset (inter-frequency A3 Offset).
Step 408: the network equipment issues a second capability query message of the terminal, wherein the second capability query message comprises the capability of querying whether the terminal needs to measure the gap.
Illustratively, the network device may issue a measurement capability query message via uemeasurecapability enqi.
Step 409: the terminal reports a second capability message, wherein the second capability message comprises:
(a) all frequency band capabilities supported by the terminal;
for example, referring to table three, the terminal supports the following frequency band capabilities: band1, Band3, Band5 and Band38, wherein the frequency Band of a main cell (cell 2) where the terminal is located is Band 3; the different system frequency bands (NR supported band capability) supported by the terminal are: n77, N78.
(b) The terminal reports the frequency band combination capability only related to the current main cell (cell 2);
illustratively, the terminal reports the frequency band combination capability only related to the current primary cell (cell 2): band3a + Band5a, Band3a+Band38a。
In the 4G LTE system, the band combination may refer to a CA combination, and in the 5G NR system, the band combination may be a band combination manner such as EN-DC, NE-DC, SA, NSA, and the like.
(c) Measurement capability: reporting the measurement capability only related to the current main cell;
only the measurement capability of the frequency band and the frequency band combination related to the current main cell (cell 2) is reported, that is, the capability of the terminal to execute the inter-frequency or inter-system measurement to measure whether the measurement gap is needed or not in the scene of the frequency band of the current main cell or the frequency band combination related to the current main cell.
Exemplarily, the frequency Band of the main cell where the terminal is located is Band3, and the terminal only reports whether the frequency Band and frequency Band combination capability related to the main cell need to configure a measurement gap, for example: band3 does not require measurement of Band1, Band3a + Band5a does not require measurement of Band38, Band3a + Band38a does not require measurement of N77, etc., as shown in the third, seventh, and tenth columns of table five. It is omitted that reporting of whether other frequency bands and frequency band combinations not including the primary cell need measurement gaps, as shown by the grey part in table five. Where T denotes that a measurement gap is required and F denotes that a measurement gap is not required.
(d) Indication information: the capability message is used for informing the network device that only the measurement capability of the frequency band and the frequency band combination related to the main cell is reported, the measurement capability of all the frequency band combinations is not reported, and the measurement capability of the terminal needs to be inquired after the cell is switched.
Illustratively, the indication message may be measurementcapalltyonlypcellrelated, which may be indicated by 1 bit false (f) or true (t). In this embodiment, the indication message measured capacity only on particle filtered: and (6) True.
Step 410: the network equipment records the measurement capability information of the terminal.
The network device inquires according to the second capability information reported by the terminal, and the frequency band capability reported by the terminal correspond to the measurement capability sequence related to the reported main cell, so as to determine the measurement capability of the frequency band and frequency band combination of the current main cell (cell 2), and record the measurement capability information reported by the terminal.
According to the indication information MeasurementCapablyOnlyPcell related in the capability information reported by the terminal: true, the network device can know that the measurement capability reported by the terminal only reports the measurement capability of the frequency band and the frequency band combination related to the current main cell (cell 2). Therefore, the network device needs to sequentially correspond the frequency band capability and the frequency band combination capability related to the current primary cell in the capability information reported by the terminal to the measurement capability related to the current primary cell only in step 409(c), so as to determine the measurement capability of the frequency band and the frequency band combination where the current primary cell is located. The network equipment records the measurement capability information reported by the terminal, and does not need to inquire the measurement capability of the terminal after re-accessing/switching to the cell with the same frequency band of the main cell.
Watch five
Figure GDA0003553048360000161
In the embodiment of the application, when the terminal registers the initial access network, after the terminal receives the terminal capability query message sent by the network equipment, and when the measurement capability message is reported, the terminal only reports whether the frequency band and the frequency band combination capability related to a main service area (Pcell) need to be configured with a measurement gap, so that the reporting of the measurement capability of a large number of other frequency band combinations unrelated to the Pcell is omitted. Therefore, the message quantity reported by the measuring capacity can be greatly saved, and the success rate of reporting the measuring capacity is improved. Compared with the prior art that the measurement capability information of all frequency band and frequency band combinations supported by the terminal is reported once, the measurement capability of other frequency band combinations irrelevant to the Pcell is omitted in the report of the measurement capability information. Because the combination of the service area frequency band and the measurement frequency band in the current cell is a frequency band combination containing Pcell, the frequency band combination irrelevant to Pcell can not occur, and the measurement of the terminal is not influenced after the combination is omitted.
In one embodiment, as shown in fig. 5, after performing step 408, the terminal may perform step 509. In this embodiment, reporting of the frequency band capability supported by the terminal and reporting of the frequency band combination capability only related to the Pcell may also be omitted from the capability information reported by the terminal.
Step 509: the terminal reports third capability information, wherein the third capability information comprises:
(a) measurement capability: reporting the measurement capability only related to the current main cell;
the reported measurement capability related to the primary cell corresponds to the frequency band and the frequency band combination related to the primary cell reported by the terminal in step 402.
(b) Indication information: the capability message is used for informing the network device that the capability message only reports the measurement capability of the frequency band and the frequency band combination related to the main cell, the measurement capability of all the frequency band combinations is not reported, and the measurement capability of the terminal needs to be inquired after the cell is switched.
Illustratively, the indication message may be measurementcapalltyonlypcellrelated, which may be indicated by 1 bit false (f) or true (t).
Step 510: and recording the measurement capability information.
The network device queries according to the capability information reported by the terminal (step 402), and associates the frequency band and frequency band combination related to the main cell in the frequency band capabilities reported by the terminal with the measurement capability sequence related to the main cell reported by the terminal in step 509(a), thereby determining the measurement capability of the frequency band and frequency band combination where the current main cell is located, and recording the measurement capability.
According to the indication information MeasurementCapablyOnlyPcell related in the capability information reported by the terminal: true, the network device can know that the measurement capability reported by the terminal only reports the measurement capability of the frequency band and the frequency band combination related to the main cell. Therefore, the network device needs to correspond the frequency band capability and the frequency band combination capability related to the current primary cell in the capability information reported by the terminal before to the measurement capability related to the current primary cell only in step 509(a), so as to determine the measurement capability of the frequency band and the frequency band combination where the current primary cell is located. And the network equipment records the measurement capability information reported by the terminal, and does not need to inquire the measurement capability of the terminal after re-accessing/switching to the cell with the same frequency band of the main cell.
In the embodiment, the reporting of the frequency band capability supported by the terminal is omitted, and the reporting of the frequency band combination capability only related to the Pcell is omitted, so that the message volume reported by the measurement capability can be further saved, and the success rate of reporting the measurement capability is improved. According to the embodiment of the application, the reporting of a large number of other frequency band combinations irrelevant to the main cell is omitted in the measurement capability message, and the information of the frequency bands and the frequency band combinations supported by the terminal is utilized in the capability message reported by the terminal, so that the information of the partial fields is not reported any more. The network device inquires according to the reported terminal capability information, and the measurement capability reported by the terminal corresponds to the frequency band and frequency band capability sequence reported by the terminal in the capability information, so as to determine the measurement capability of the frequency band and frequency band combination of the main cell. The message volume reported by the measuring capacity can be further saved, and the success rate of reporting the measuring capacity is improved.
As shown in fig. 6, the chip or chip system 1400 includes a baseband processor 1401, a transceiver or interface 1402, a memory 1403, and the like, where the interface 1402 is configured to receive a code instruction and send the received code instruction to the processor 1401, and the processor 1401 runs the received code instruction sent by the interface to execute the method and apparatus for improving reporting measurement capability in the present embodiment.
It is clear to those skilled in the art that the embodiments of the present application can be implemented in hardware, or firmware, or a combination thereof. When implemented in software, the functions described above may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. Taking this as an example but not limiting: the computer-readable medium may include RAM, ROM, an Electrically Erasable Programmable Read Only Memory (EEPROM), a compact disc read-Only memory (CD-ROM) or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Furthermore, the method is simple. Any connection is properly termed a computer-readable medium. For example, if software is transmitted from a website, a server, or other remote source using a coaxial cable, a fiber optic cable, a twisted pair, a Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, the coaxial cable, the fiber optic cable, the twisted pair, the DSL, or the wireless technologies such as infrared, radio, and microwave are included in the fixation of the medium. Disk and disc, as used in accordance with embodiments of the present application, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
In short, the above description is only an example of the present application, and is not intended to limit the scope of the present application. Any modifications, equivalents, improvements and the like made in accordance with the disclosure of the present application are intended to be included within the scope of the present application.

Claims (24)

1. A network system comprising a terminal and a network device, wherein the terminal is camped on a first cell, comprising:
the network device is configured to:
sending a first capability query message to a terminal;
receiving first capability information sent by the terminal; the first capability information includes: a frequency band and frequency band combination related to a first cell supported by the terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, measurement capability related to the first cell, and indication information; the measurement capability only reports whether the terminal needs to measure the gap or not when performing the inter-frequency or inter-system measurement under the scene of the first cell frequency band or the frequency band combination related to the first cell; the indication information is used for informing the network device, and the measurement capability reported by the first capability information only includes the measurement capability of the frequency band and the frequency band combination related to the first cell;
determining whether a measurement gap needs to be allocated when the terminal performs pilot frequency or inter-system measurement according to the first capability information;
the terminal is configured to:
receiving the first capability query message sent by the network equipment;
and sending the first capability information to the network equipment.
2. The network system according to claim 1, wherein determining whether the terminal needs to allocate a measurement gap when performing inter-frequency or inter-system measurement according to the measurement capability in the first capability information specifically includes:
and the network equipment corresponds the measurement capability reported by the terminal to the frequency band and frequency band combination sequence supported by the terminal according to the measurement capability in the first capability information, and determines and records whether the terminal needs to allocate a measurement gap when the terminal performs different-frequency or different-system measurement on the frequency band and frequency band combination related to the first cell.
3. The network system of claim 1, wherein the network device is further configured to:
and sending a first message to the terminal, wherein the first message is used for measuring the network parameters of the second cell and comprises measurement gap information.
4. The network system of claim 1, wherein the network device is further configured to:
and sending a second message to the terminal, wherein the second message is used for measuring the network parameters of the second cell and does not comprise the measurement gap information.
5. The network system of claim 3, wherein the terminal is further configured to:
and sending a measurement report to the network equipment according to the first message.
6. The network system of claim 4, wherein the terminal is further configured to:
and sending a measurement report to the network equipment according to the second message.
7. The network system of claim 5 or 6, wherein the network device is further configured to:
according to the measurement report, instructing the terminal to perform cell switching, and switching from the first cell to the second cell;
sending a second capability query message to the terminal;
receiving second capability information sent by the terminal; the second capability information includes: a frequency band related to a first cell supported by the terminal, a frequency band and frequency band combination related to a second cell supported by the terminal, a measurement capability related to the second cell, and indication information; the measurement capability is used for indicating whether the terminal needs to measure the gap during the measurement of the different frequency or the different system; the indication information is used for informing the network equipment, and the second capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell;
determining whether a measurement gap needs to be allocated when the terminal performs pilot frequency or inter-system measurement according to the second capability information;
the terminal is further configured to:
receiving the second capability query message sent by the network device;
and sending the second capability information to the network equipment.
8. The network system according to claim 7, wherein after sending the second capability query message to the terminal, the network device is further configured to:
receiving third capability information sent by the terminal; the third capability information includes: measurement capabilities, and indication information, related to the second cell; the measurement capability is used for indicating whether the terminal needs to measure a gap or not when the terminal measures in different frequencies or different systems; the indication information is used for informing the network device, and the third capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell;
determining whether a measurement gap needs to be allocated when the terminal performs pilot frequency or inter-system measurement according to the third capability information;
the terminal is further configured to:
and sending the third capability information to the network equipment.
9. The network system according to claim 8, wherein the determining, according to the third capability information, whether the terminal needs to allocate a measurement gap when performing inter-frequency or inter-system measurement specifically includes:
and the network equipment corresponds the measurement capability reported by the terminal to the frequency band and frequency band combination capability reported by the terminal before according to the third capability information, and determines and records whether the terminal needs to allocate a measurement gap when the terminal carries out different-frequency or different-system measurement on the frequency band and frequency band combination related to the second cell.
10. The network system according to claim 8 or 9, wherein the network device is further configured to:
instructing the terminal to perform cell switching, and switching from the second cell to the first cell;
and not sending the third capability query message to the terminal.
11. The network system according to any of claims 1-6, or claim 8, or claim 9, wherein the frequency band combination comprises at least one of:
carrier Aggregation, 4G5G Dual-connection E-UTRA-NR Dual Connectivity, 5G4G Dual-connection NR-E-UTRA Dual Connectivity, independent networking standards and non-independent networking non-standards frequency band combination.
12. The network system according to any one of claims 1 to 6, or claim 8, or claim 9, wherein said indication information is measurementcapabiltyonlypcell related, wherein measurementcapabiltyonlypcell related: and True indicates that the measurement capability reported by the terminal only comprises the measurement capability of the frequency band and the frequency band combination related to the main cell.
13. The network system according to any one of claims 1 to 6, or claim 8, or claim 9, wherein the capability information comprises at least any one of InterfreqNedForGaps and InterRAT-NedForGaps.
14. An electronic device, comprising:
one or more processors;
a memory;
a plurality of application programs;
and one or more computer programs, wherein the one or more computer programs are stored in the memory, the one or more computer programs comprising instructions which, when executed by the electronic device, cause the electronic device to perform the steps of:
receiving a first capability query message;
responding to the first capability query message, and reporting first capability information, wherein the first capability information comprises: a frequency band and frequency band combination related to a first cell supported by the electronic device, a frequency band and frequency band combination related to a second cell supported by the electronic device, a measurement capability related to the first cell, and indication information; the measurement capability only reports whether the electronic equipment needs to measure the gap or not when performing the inter-frequency or inter-system measurement under the scene of the first cell frequency band or the frequency band combination related to the first cell; the indication information is used for informing the network device, and the measurement capability reported by the first capability information only includes the measurement capability of the frequency band and the frequency band combination related to the first cell.
15. The electronic device of claim 14, wherein the instructions, when executed by the electronic device, cause the electronic device to further perform the steps of:
and receiving a first message sent by the network equipment, wherein the first message is used for measuring the network parameters of the second cell and comprises measurement gap information.
16. The electronic device of claim 15, wherein the measurement gap information is determined by the network device based on the first capability information, comprising:
and the network equipment corresponds the measurement capability reported by the electronic equipment to the frequency band and frequency band combination sequence supported by the electronic equipment according to the first capability information, and determines and records whether measurement gaps need to be allocated when the electronic equipment carries out different-frequency or different-system measurement on the frequency band and frequency band combination related to the first cell.
17. The electronic device of claim 16, wherein the instructions, when executed by the electronic device, cause the electronic device to further perform the steps of:
and sending a measurement report to the network equipment according to the first message.
18. The electronic device of claim 17, wherein the instructions, when executed by the electronic device, cause the electronic device to further perform the steps of:
switching from the first cell to the second cell;
receiving a second capability query message sent by the network equipment;
sending second capability information to the network device; the second capability information includes: a frequency band related to a first cell supported by the electronic device, a frequency band and frequency band combination related to a second cell supported by the electronic device, a measurement capability related to the second cell, and indication information; the measurement capability is used for indicating whether the electronic equipment needs to measure a gap or not when measuring in pilot frequency or a pilot system; the indication information is used for informing the network device, and the second capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell.
19. The electronic device of claim 18, wherein the instructions, when executed by the electronic device, cause the electronic device to perform: after receiving the second capability query message sent by the network device, the electronic device further executes the following steps:
sending third capability information to the network device; the third capability information includes: measurement capabilities, and indication information, related to the second cell; the measurement capability is used for indicating whether the electronic equipment needs to measure a gap during inter-frequency or inter-system measurement; the indication information is used for informing the network device, and the third capability information only reports the measurement capability of the frequency band and the frequency band combination related to the second cell.
20. The electronic device of claim 18 or 19, wherein the instructions, when executed by the electronic device, cause the electronic device to further perform the steps of:
switching from the second cell to the first cell; and not receiving a third capability query message sent by the network equipment.
21. The electronic device of any of claims 14-19, wherein the combination of frequency bands comprises at least one of:
carrier Aggregation, 4G5G Dual-connection E-UTRA-NR Dual Connectivity, 5G4G Dual-connection NR-E-UTRA Dual Connectivity, independent networking standards and non-independent networking non-standards frequency band combination.
22. The electronic device according to any of the claims 14-19, wherein said indication information is MeasurementCapabiltyOnlyPcellRelated, wherein MeasurementCapabiltyOnlyPcellRelated: true indicates that the measurement capability reported by the electronic device only includes the measurement capability of the frequency band and the frequency band combination related to the main cell.
23. The electronic device according to any of claims 14-19, wherein the capability information comprises at least any of interfreqneedleforgaps and interRAT-needleforgaps.
24. A chip system, comprising: the chip system comprises a processor and a memory, wherein instructions are stored in the memory; the instructions, when executed by the processor, cause the system-on-chip to perform the steps of:
receiving a first capability query message sent by network equipment;
responding to the first capability query message, and reporting first capability information, wherein the first capability information comprises: the method comprises the steps that a frequency band and a frequency band combination related to a first cell supported by a terminal, a frequency band and a frequency band combination related to a second cell supported by the terminal, measurement capability related to the first cell and indication information are obtained; the measurement capability only reports whether the terminal needs to measure the gap or not when performing the inter-frequency or inter-system measurement under the scene of the first cell frequency band or the frequency band combination related to the first cell; the indication information is used to inform the network device, and the measurement capability reported by the first capability information only includes the measurement capability of the frequency band and the frequency band combination related to the first cell.
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