CN112218327A - Channel quality measurement reporting method and terminal of novel wireless broadband communication system - Google Patents
Channel quality measurement reporting method and terminal of novel wireless broadband communication system Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims abstract description 47
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- 238000004891 communication Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
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- 238000010586 diagram Methods 0.000 description 15
- 230000002776 aggregation Effects 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
Abstract
The embodiment of the invention provides a channel quality measurement reporting method and a terminal of a novel wireless broadband communication system, wherein the method comprises the following steps: receiving a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period; generating quality reporting information based on the format to be reported and the channel quality data; and sending the quality reporting information to the base station. The method and the terminal provided by the embodiment of the invention are beneficial to refining the reporting granularity of the channel quality, and the base station can acquire the interference condition of each carrier resource, thereby better performing dynamic scheduling and interference avoidance.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a channel quality measurement reporting method and a channel quality measurement reporting terminal of a novel wireless broadband communication system.
Background
With the rapid development of global mobile broadband communication and the dramatic increase of mobile data traffic, the demand of frequency as a basic resource for the development of mobile communication is increasing, and the current frequency division cannot meet the development of future mobile communication. Under the environment of increasingly scarce spectrum resources, a broadband communication system for realizing the discrete comb spectrum is produced on the premise of not changing the original frequency point allocation based on the discrete narrowband carrier aggregation technology.
In a novel wireless broadband communication system supporting discrete narrowband carrier aggregation, a channel in a specific frequency band (for example, 223-235MHz frequency band) and in a unit of narrowband spectrum resources (for example, 25kHz) is called a carrier. The base station (hereinafter referred to as a new base station) in the new wireless broadband communication system supports full bandwidth, and the terminal (hereinafter referred to as a new terminal) in the new wireless broadband communication system generally supports single or partial carrier due to its own capability and service characteristics.
Since the novel terminal only supports CQI (Channel Quality Indicator) measurement on currently used carrier resources, all carriers in a full frequency band cannot be measured, and the interference condition of other carrier resources cannot be known. In addition, the CQI measurement result reported by the novel terminal is an average measurement result of multiple carriers, and the reported granularity is coarse, which is not favorable for dynamic scheduling and interference avoidance of the base station.
Disclosure of Invention
The embodiment of the invention provides a channel quality measurement reporting method and a terminal of a novel wireless broadband communication system, which are used for solving the problems that the novel terminal cannot measure and report all carriers of a full frequency band, the reporting granularity is large, and dynamic scheduling and interference avoidance of a novel base station are not facilitated.
In a first aspect, an embodiment of the present invention provides a method for measuring and reporting channel quality of a novel wireless broadband communication system, including:
receiving a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported;
if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period;
generating quality reporting information based on the format to be reported and the channel quality data;
and sending the quality reporting information to a base station.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data specifically includes:
and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in the format to be reported to generate quality reporting information.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data specifically includes:
filling any carrier group identifier to be reported into a carrier group identifier field in the format to be reported, filling channel quality data corresponding to any carrier group identifier to be reported into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group identifier to be reported;
correspondingly, the sending the quality reporting information to the base station specifically includes:
and sequentially sending the quality reporting information respectively corresponding to each carrier group identifier to be reported to a base station.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data specifically includes:
filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling the channel quality data of each carrier group corresponding to the carrier group set identifier to be reported into the channel quality field in the format to be reported, and generating quality reporting information corresponding to the carrier group set identifier to be reported;
correspondingly, the sending the quality reporting information to the base station specifically includes:
and sequentially sending the quality reporting information respectively corresponding to each carrier group set identifier to be reported to a base station.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data specifically includes:
if the channel quality data corresponding to any carrier group identifier to be reported exists, setting the reporting identifier corresponding to any carrier group identifier to be reported as reporting, otherwise, setting the reporting identifier not to be reported;
and sequentially filling the reporting identifier corresponding to each carrier group identifier to be reported into the group index domain in the format to be reported, and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported, which is reported by the reporting identifier, into the channel quality field in the format to be reported to generate quality reporting information.
Preferably, the first and second electrodes are formed of a metal,
the sequentially filling the reporting identifier corresponding to each carrier group identifier to be reported to the group index field in the format to be reported, and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported to the channel quality field in the format to be reported, so as to generate quality reporting information, specifically including:
and for any carrier group set identifier to be reported, filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling a reporting identifier corresponding to each carrier group identifier to be reported contained in any carrier group set identifier to be reported into a group index field in the format to be reported, sequentially filling channel quality data corresponding to each carrier group identifier to be reported, which is reported by the reporting identifier, into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group set identifier to be reported.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data further includes:
and if the channel quality data corresponding to any carrier group identifier to be reported is not measured, taking the special identifier field as the channel quality data corresponding to any carrier group identifier to be reported.
Preferably, the generating quality reporting information based on the format to be reported and the channel quality data further includes:
filling the carrier type identifier corresponding to the carrier type into a carrier type identifier field in the format to be reported; the carrier type identification field is a logic channel ID or a P/C domain;
and if the last byte of the report format is not aligned, filling bits to the vacancy of the last byte.
Preferably, the receiving the channel quality reporting indication sent by the base station further includes:
and receiving carrier grouping configuration information sent by the base station.
In a second aspect, an embodiment of the present invention provides a terminal, including:
an indication receiving unit, configured to receive a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported;
a channel quality measuring unit, configured to measure channel quality data of a working carrier corresponding to the carrier information to be reported if the carrier type corresponding to the carrier information to be reported is a working carrier; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period;
a quality reporting information generating unit, configured to generate quality reporting information based on the format to be reported and the channel quality data;
and the quality reporting information sending unit is used for sending the quality reporting information to the base station.
In a third aspect, an embodiment of the present invention provides an electronic device, including a processor, a communication interface, a memory, and a bus, where the processor and the communication interface, the memory complete communication with each other through the bus, and the processor may call a logic instruction in the memory to perform the steps of the method provided in the first aspect.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the steps of the method as provided in the first aspect.
According to the channel quality measurement reporting method and the terminal of the novel wireless broadband communication system, the information of the carrier to be reported is obtained through the channel quality reporting indication, so that the channel quality data of the working carrier or the non-working carrier is measured and reported, the base station can know the interference condition of each carrier resource, and dynamic scheduling and interference avoidance are better performed. In addition, carrier information to be reported is obtained, carrier groups needing channel quality reporting are determined, and the division of the carrier groups is beneficial to refining the reporting granularity of the channel quality, so that the dynamic scheduling of the base station is further optimized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a channel quality measurement reporting method of a novel wireless broadband communication system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a format to be reported that includes a channel quality field according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a format to be reported, which includes a carrier group identifier field and a channel quality field according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a format to be reported, which includes a carrier group set identifier field and a channel quality field according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a format to be reported, which includes a group index field and a channel quality field according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a format to be reported, which includes a carrier group set identifier field, a group index field, and a channel quality field according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the novel wireless broadband communication system supporting discrete narrow-band carrier aggregation, the novel terminal only supports the quality measurement of currently used carrier resources, all carriers in a full frequency band cannot be measured, the CQI measurement result reported by the novel terminal is the average measurement result of a plurality of carriers, the reported granularity is thick, and the dynamic scheduling and interference avoidance of a novel base station are not facilitated. Therefore, the embodiment of the invention provides a channel quality measurement reporting method of a novel wireless broadband communication system. Fig. 1 is a schematic flow chart of a method for reporting channel quality measurement in a wireless broadband communication system according to an embodiment of the present invention, where as shown in fig. 1, an execution subject of the method is a terminal in the system, that is, a new terminal, and the method includes:
The base station is a novel base station in a novel wireless broadband communication system supporting discrete narrowband carrier aggregation. When the base station needs to obtain the channel quality measurement result, a channel quality reporting indication can be sent to the terminal to indicate the channel quality obtained by the terminal reporting measurement.
In order to refine the reporting granularity, full bandwidth carriers or partial bandwidth carriers are grouped in advance to obtain a plurality of carrier groups, and a carrier group identifier to be reported included in the channel quality reporting indication is an identifier of a carrier group that needs to be reported with channel quality, where the carrier group identifier to be reported may be a group name or a group number of the carrier group to be reported, and the embodiment of the present invention is not limited specifically to this. On the basis of grouping full-bandwidth carriers or partial-bandwidth carriers to obtain a plurality of carrier groups, for convenience of measurement and reporting, the carrier groups can be further grouped to obtain a plurality of carrier group sets, and each carrier group set comprises a plurality of carrier groups. The identifier of the carrier group set to be reported is an identifier of the carrier group set to be subjected to channel quality reporting, where the identifier of the carrier group set to be reported may be a set name or a set number of the carrier group set to be reported, and the embodiment of the present invention is not particularly limited to this. In addition, the channel quality reporting indication also includes a format to be reported. The format to be reported is the format adopted by the terminal specified by the base station when reporting the channel quality measurement result.
Step 120, if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; and if the carrier type is a non-working carrier, measuring the channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period.
Specifically, after receiving the channel quality reporting indication, carrier information to be reported may be extracted from the channel quality reporting indication, so as to determine a carrier group or a carrier group set that needs to be reported. Here, the carrier group to be reported may be one group or multiple groups, and the set of the carrier group to be reported may be one set or multiple sets.
For any carrier group or carrier group set to be reported, the carrier type of the carrier group or carrier group set to be reported can be determined to be a working carrier or a non-working carrier through the carrier type of the carrier group or carrier group set to be reported carried in the channel quality reporting indication or self-judgment. The working carrier refers to a carrier supported by a terminal, the non-working carrier is relative to the working carrier, and all or part of the rest carriers except the working carrier in the novel wireless broadband communication system.
If the carrier group or the carrier group set to be reported is a working carrier, the terminal does not need to carry out carrier adjustment and can directly carry out channel quality measurement on the carrier group or the carrier group set to be reported so as to obtain channel quality data; if the carrier group or the carrier group set to be reported is a non-working carrier, the terminal needs to adjust the carrier to the non-working carrier and measure the channel quality data of the non-working carrier when the terminal is in a non-service transmission period, that is, the terminal has no service transmission. Here, the Channel Quality data may be represented by a CQI (Channel Quality Indicator) value or may be represented by other parameters such as a Signal to Interference plus Noise Ratio (SINR).
Specifically, after the channel quality test is completed, the channel quality data may be filled into a format to be reported, so as to obtain quality reporting information. Here, the quality reporting information, i.e., the information format, is a format to be reported, and includes information of channel quality data corresponding to a carrier group or a set of carrier groups to be reported.
Specifically, after the quality reporting information is obtained, the quality reporting information is sent to the base station, so that the base station can accurately extract channel quality data corresponding to each carrier group or carrier group set to be reported from the quality reporting information based on the format to be reported. Here, the transmission of the quality report information may be implemented by a Media Access Control (MAC) Control unit (CE).
The method provided by the embodiment of the invention obtains the information of the carrier to be reported through the channel quality reporting indication, thereby realizing the measurement and reporting of the channel quality data of the working carrier or the non-working carrier, and leading the base station to know the interference condition of each carrier resource, thereby better carrying out dynamic scheduling and interference avoidance. In addition, carrier information to be reported is obtained, carrier groups needing channel quality reporting are determined, and the division of the carrier groups is beneficial to refining the reporting granularity of the channel quality, so that the dynamic scheduling of the base station is further optimized.
Based on the foregoing embodiment, in the method, step 130 specifically includes: and filling the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in the format to be reported in sequence to generate quality reporting information.
Fig. 2 is a schematic structural diagram of a format to be reported, which includes a channel quality field according to an embodiment of the present invention, in fig. 2, Oct represents an 8-bit byte (octet), and one byte includes 8 bits (bit), where LCID is a logical channel ID and a field length is 3 bits; the P/C field is used to indicate whether the quality Report information specifically reports a PHR (Power Headroom Report) or a CQI, and the field length is 2 bits. The channel quality field is the field labeled CQI in fig. 2. The CQI is used to indicate channel quality data, i.e., CQI values, corresponding to the carrier group identifiers to be reported, and the length of the CQI field corresponding to each carrier group identifier to be reported is 6 bits, and the CQI field is arranged according to the size sequence of the carrier group identifiers to be reported. In fig. 2, the length of the channel quality field is 8 × k bits, that is, the channel quality reporting indicator includes k to-be-reported carrier group indicators in total, and the corresponding quality reporting information includes a channel quality field formed by the lengths of k CQI fields. R is a padding bit, is set to be 0 and is padded for realizing byte alignment in channel report information.
Based on any of the above embodiments, in the method, step 130 specifically includes: filling any carrier group mark to be reported into a carrier group mark field in a format to be reported, filling channel quality data corresponding to the carrier group mark to be reported into the channel quality field in the format to be reported, and generating quality reporting information corresponding to the carrier group mark to be reported.
Fig. 3 is a schematic structural diagram of a format to be reported, which includes a carrier Group identification field and a channel quality field according to an embodiment of the present invention, where in fig. 3, a Group ID, that is, a carrier Group identification field, is used to indicate a carrier Group corresponding to channel quality data included in quality reporting information. In the format to be reported shown in fig. 3, the carrier group identifier field is used to carry any carrier group identifier to be reported, and the subsequent channel quality field is used to carry channel quality data corresponding to the carrier group identifier to be reported, that is, one carrier group identifier to be reported corresponds to one quality report information.
Correspondingly, step 140 specifically includes: and sequentially sending the quality reporting information corresponding to each carrier group identifier to be reported to the base station.
Specifically, if the channel quality reporting indication includes a plurality of carrier group identifiers to be reported, a plurality of quality reporting information are correspondingly generated, and each quality reporting information needs to be sent to the base station.
Based on any of the above embodiments, in the method, step 130 specifically includes: and filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, and sequentially filling channel quality data of each carrier group corresponding to the carrier group set identifier to be reported into a channel quality field in the format to be reported to generate quality reporting information corresponding to the carrier group set identifier to be reported.
Fig. 4 is a schematic structural diagram of a format to be reported, which includes a carrier Group Set identification field and a channel quality field according to an embodiment of the present invention, where in fig. 4, a Group Set ID, that is, a carrier Group Set identification field, is used to indicate a carrier Group Set corresponding to channel quality data included in quality reporting information. In the format to be reported shown in fig. 4, the carrier group set identifier field is used for carrying any carrier to be reportedGroup set identification followed by channel quality field, i.e. CQI1、CQI2、…、CQIlAnd is configured to sequentially carry channel quality data of each carrier group corresponding to the carrier group identifier to be reported.
When generating quality reporting information corresponding to any carrier group set identifier to be reported, it is necessary to sequentially fill each carrier group in the carrier group set to be reported into a channel quality field according to the sequence of carrier group numbers from small to large.
Correspondingly, step 140 specifically includes: and sequentially sending the quality reporting information corresponding to each carrier group set identifier to be reported to the base station.
Specifically, in the quality reporting information generated based on the to-be-reported format shown in fig. 4, one to-be-reported carrier group set identifier corresponds to one quality reporting information. If the channel quality reporting indication includes a plurality of carrier group set identifiers to be reported, a plurality of quality reporting information is correspondingly generated, and each quality reporting information needs to be sent to the base station.
According to any of the above embodiments, the method further includes, before step 130: and if the channel quality data corresponding to any carrier group identifier to be reported is not measured, taking the special identifier field as the channel quality data corresponding to the carrier group identifier to be reported.
Specifically, before generating the quality reporting information based on the format to be reported and the channel quality data, it needs to be determined whether channel quality data corresponding to the carrier group identifier to be reported is measured: and if the channel quality data corresponding to the carrier group identifier to be reported is not measured, taking the special identifier field as the channel quality data corresponding to the carrier group identifier to be reported. Here, the special identification field represents an unavailable measurement result, the special identification field is filled into a format to be reported as channel quality data, quality reporting information is generated and sent to the base station, and the base station can identify the special identification field and thus acquire that a corresponding carrier group to be reported represents the unavailable measurement result.
For example, in the to-be-reported format shown in fig. 2, it is necessary to fill the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in sequence, and if the measurement result corresponding to any carrier group identifier to be reported is not available, the special identifier field is filled into the to-be-reported format as the channel quality data, so as to ensure that the channel quality data corresponding to each carrier group identifier to be reported in the channel quality field is filled in sequence, thereby avoiding that the base station cannot obtain a correct measurement result due to sequence disorder when analyzing the channel quality data corresponding to each carrier group identifier to be reported because of lack of channel quality data corresponding to a certain carrier group identifier to be reported.
Based on any of the above embodiments, in the method, step 130 specifically includes:
step 131, if there is channel quality data corresponding to any carrier group identifier to be reported, setting the reporting identifier corresponding to the carrier group identifier to be reported as reporting, otherwise, setting the reporting identifier as not reporting.
Specifically, the reporting identifier is used to indicate whether to fill channel quality data corresponding to the carrier group identifier to be reported into the format to be reported reporting base station. And aiming at any carrier group mark to be reported, if the channel quality data of the carrier group mark to be reported is obtained through measurement, the reporting mark is set to be reported, and if the channel quality data of the carrier group mark to be reported is not obtained through measurement, the reporting mark is set not to be reported.
Step 132, sequentially filling the reporting identifier corresponding to each carrier group identifier to be reported into the group index field in the format to be reported, and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in the format to be reported, thereby generating quality reporting information.
Fig. 5 is a schematic structural diagram of a format to be reported including a group index field and a channel quality field according to an embodiment of the present invention, where in fig. 5, G1、G2、…、GlSequentially representing the reporting identification, G, corresponding to each carrier group identification to be reported1、G2、…、GlI.e. constitute a group index field. The group index field is used for indicating each channel quality field of the channel quality fields in the quality reporting information to correspond to each channel quality field in sequenceThe carrier group identifier to be reported. The existence of the group index field ensures that the channel quality field only needs to be filled with the channel quality data of the carrier group identifier to be reported, and the channel quality field does not need to be filled with the channel quality data of the carrier group identifier to be reported, wherein the reporting identifier of the carrier group identifier to be reported is not reported. That is to say, the existence of the group index field enables the channel quality field to be only filled with the channel quality data of the carrier group identifier to be reported, which is obtained by measurement, and does not need to adopt a special field to replace the channel quality data of the carrier group identifier to be reported, which is obtained by non-measurement, so that the resource utilization rate is improved.
Based on any of the above embodiments, in the method, the step 132 specifically includes: and for any carrier group set identifier to be reported, filling any carrier group set identifier to be reported into a carrier group set identifier field in a format to be reported, sequentially filling reporting identifiers corresponding to each carrier group identifier to be reported contained in the carrier group set identifier to be reported into a group index field in the format to be reported, sequentially filling channel quality data corresponding to each carrier group identifier to be reported with the reporting identifier to be reported into a channel quality field in the format to be reported, and generating quality reporting information corresponding to the carrier group set identifier to be reported.
Fig. 6 is a schematic structural diagram of a format to be reported, which includes a carrier Group Set identifier field, a Group index field, and a channel quality field, according to an embodiment of the present invention, where the format to be reported shown in fig. 6 corresponds to any carrier Group Set identifier to be reported, where a carrier Group Set identifier field Group Set ID is used to indicate a carrier Group Set corresponding to channel quality data included in quality report information, and a Group index field G is used to indicate a carrier Group Set corresponding to channel quality data included in quality report information1、G2、…、GlUsed for indicating the reporting identification of each carrier group corresponding to the carrier group set identification to be reported, and the channel quality field CQI1、…、CQIlAnd the channel quality data is used for sequentially indicating that each reporting identifier in the to-be-reported carrier group set identifiers is the reported carrier group channel quality data.
According to any of the above embodiments, in the method, step 130 further includes: filling carrier type identifiers corresponding to the carrier types into carrier type identifier fields in a format to be reported; the carrier type identification field is a logical channel ID or a P/C field.
Specifically, referring to the format to be reported described in fig. 2 to fig. 6, the format to be reported may further include an LCID and/or a P/C domain. The LCID is a logical channel ID, and the P/C field is used to indicate whether the quality reporting information specifically reports a PHR or a CQI. Both LCID and P/C fields may be used as carrier type identification fields for carrying carrier type identification. Here, the carrier type identifier is a carrier type used to indicate a carrier group corresponding to the channel quality data filled into the format to be reported, and the carrier type may be an operating carrier or a non-operating carrier.
For example, when the LCID is used as the carrier type identification field, it may be defined that when the LCID value is 101, the corresponding carrier type is a working carrier, and when the LCID value is 100, the corresponding carrier type is a non-working carrier. For another example, when the P/C domain is used as the carrier type identifier field, it may be defined that when the value of the P/C domain is 00, the reported information is PHR, when the value of the P/C domain is 01, the reported information is CQI, and the corresponding carrier type is a working carrier, and when the value of the P/C domain is 11, the reported information is CQI, and the corresponding carrier type is a non-working carrier. In addition, when the LCID is used as the carrier type identifier field, the format to be reported may not include the P/C field.
In addition, if the last byte of the report format is not aligned, the padding bits are filled to the vacancy of the last byte. Referring to the structural schematic diagrams of the format to be reported shown in fig. 2 to fig. 6, the tail end of the last byte Oct n is filled with padding bits R to ensure that the bytes in the quality report information can be aligned.
According to any of the above embodiments, the method further includes, before step 110: and receiving carrier grouping configuration information sent by the base station.
Here, the carrier grouping configuration information is a grouping condition in which the full bandwidth carriers or the partial bandwidth carriers are grouped in advance, and includes a grouping condition of the carrier groups and a division condition of the carrier group set. Before performing channel quality measurement reporting, the base station side and the terminal side must unify carrier grouping configuration information, and on this basis, the carrier groups indicated by the carrier group identifiers at both ends and the carrier group set identifier are consistent with the corresponding carriers in the carrier group set.
Based on any of the above embodiments, when the carrier type corresponding to the carrier group identifier to be reported is a working carrier, a suitable format to be reported may be selected from fig. 2 and 3 to generate reporting quality information and report it; when the carrier type corresponding to the carrier group identifier to be reported is a non-working carrier, a suitable format to be reported may be selected from fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6 to generate reporting quality information and report the reporting quality information.
In the method provided by the embodiment of the invention, the base station carries out grouping configuration on the working carrier and the non-working carrier, wherein the grouping configuration comprises a carrier group identifier to be reported, a carrier group set identifier to be reported and a channel quality reporting indication configured based on a format to be reported of a CQI MAC CE, and the channel quality reporting indication is sent to the terminal. And the terminal selects a proper format to be reported and reports the corresponding CQI measurement result when the CQI measurement result needs to be reported according to the indication of the base station, thereby assisting the base station to better perform dynamic scheduling and interference avoidance.
In the embodiment of the present invention, a format to be reported is further defined, including:
a CQI MAC CE format to be reported, which corresponds to the working carrier group and contains a channel quality field; reporting CQI of a working carrier group by utilizing the P/C domain indication, and reporting a plurality of groups of CQI measurement results in sequence according to the working carrier group identification, namely the group number;
a CQI MAC CE format to be reported, which corresponds to the working carrier group and comprises a carrier group identification field and a channel quality field; reporting CQI of a working carrier Group by utilizing P/C domain indication, introducing a carrier Group identification field Group ID domain to indicate working carrier Group identification, namely a Group number, and reporting a CQI measurement result of a corresponding working carrier Group;
a format to be reported of a CQI MAC CE containing a channel quality field corresponding to the non-working carrier group; reporting CQI of a non-working carrier group by utilizing the indication of a P/C domain, and reporting a plurality of groups of CQI measurement results in sequence according to the identification of the non-working carrier group, namely the size of a group number;
a format to be reported of a CQI MAC CE which is corresponding to the non-working carrier group and comprises a group index field and a channel quality field; reporting CQI of a non-working carrier Group by utilizing P/C domain indication, introducing a Group Index domain Group Index, indicating whether the CQI of the corresponding non-working carrier Group is reported or not by adopting a bitmap method, and reporting the CQI measurement result of the corresponding non-working carrier Group;
a format to be reported of a CQI MAC CE which corresponds to the non-working carrier group and comprises a carrier group set identification field and a channel quality field; the CQI of a non-working carrier Group reported by a non-working carrier Group Set is indicated by utilizing a P/C domain, a carrier Group Set identification field Group Set ID domain indication Group Set number is introduced, and a plurality of groups of CQI measurement results are reported in sequence according to the size of the non-working carrier Group number in the Set;
a format to be reported of a CQI MAC CE which corresponds to a non-working carrier group and comprises a carrier group set identification field, a group index field and a channel quality field; the CQI of a non-working carrier Group reported by a non-working carrier Group Set is indicated by utilizing a P/C domain, a carrier Group Set identification field Group Set ID domain indication Group Set number is introduced, a Group Index domain Group Index is introduced, whether the CQI of the corresponding non-working carrier Group in the Group Set is reported or not is indicated by adopting a bitmap method, and the CQI measurement result of the corresponding non-working carrier Group is reported;
a format to be reported of a CQI MAC CE which corresponds to the non-working carrier group and comprises a carrier group identification field and a channel quality field; the CQI of the non-working carrier Group is reported by utilizing the indication of the P/C domain, the identification field Group ID domain of the carrier Group is introduced to indicate the identification of the non-working carrier Group, namely the Group number, and the CQI measurement result of the corresponding non-working carrier Group is reported.
Based on any of the above embodiments, fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention, as shown in fig. 7, the terminal includes an indication receiving unit 710, a channel quality measuring unit 720, a quality reporting information generating unit 730, and a quality reporting information sending unit 740;
the indication receiving unit 710 is configured to receive a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported;
the channel quality measuring unit 720 is configured to measure channel quality data of a working carrier corresponding to the carrier information to be reported if the carrier type corresponding to the carrier information to be reported is a working carrier; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period;
the quality reporting information generating unit 730 is configured to generate quality reporting information based on the format to be reported and the channel quality data;
the quality reporting information sending unit 740 is configured to send the quality reporting information to the base station.
The terminal provided by the embodiment of the invention obtains the information of the carrier to be reported through the channel quality reporting indication, thereby realizing the measurement and reporting of the channel quality data of the working carrier or the non-working carrier, and leading the base station to know the interference condition of each carrier resource, thereby better carrying out dynamic scheduling and interference avoidance. In addition, carrier information to be reported is obtained, carrier groups needing channel quality reporting are determined, and the division of the carrier groups is beneficial to refining the reporting granularity of the channel quality, so that the dynamic scheduling of the base station is further optimized.
Based on any of the above embodiments, in the terminal, the quality reporting information generating unit 730 is specifically configured to:
and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in the format to be reported to generate quality reporting information.
Based on any of the above embodiments, in the terminal, the quality reporting information generating unit 730 is specifically configured to:
filling any carrier group identifier to be reported into a carrier group identifier field in the format to be reported, filling channel quality data corresponding to any carrier group identifier to be reported into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group identifier to be reported;
correspondingly, the quality reporting information sending unit 740 is specifically configured to:
and sequentially sending the quality reporting information respectively corresponding to each carrier group identifier to be reported to a base station.
Based on any of the above embodiments, in the terminal, the quality reporting information generating unit 730 is specifically configured to:
filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling the channel quality data of each carrier group corresponding to the carrier group set identifier to be reported into the channel quality field in the format to be reported, and generating quality reporting information corresponding to the carrier group set identifier to be reported;
correspondingly, the quality reporting information sending unit 740 is specifically configured to:
and sequentially sending the quality reporting information respectively corresponding to each carrier group set identifier to be reported to a base station.
Based on any of the above embodiments, in the terminal, the quality reporting information generating unit 730 includes:
a reporting identifier subunit, configured to set, if there is channel quality data corresponding to any one of the to-be-reported carrier group identifiers, a reporting identifier corresponding to the any one of the to-be-reported carrier group identifiers to be reported, and otherwise, set the reporting identifier not to be reported;
and a filling subunit, configured to sequentially fill the reporting identifier corresponding to each to-be-reported carrier group identifier into the group index field in the to-be-reported format, and sequentially fill the channel quality data corresponding to each to-be-reported carrier group identifier, which is reported by the reporting identifier, into the channel quality field in the to-be-reported format, so as to generate quality reporting information.
Based on any of the above embodiments, in the terminal, the padding subunit is specifically configured to:
and for any carrier group set identifier to be reported, filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling a reporting identifier corresponding to each carrier group identifier to be reported contained in any carrier group set identifier to be reported into a group index field in the format to be reported, sequentially filling channel quality data corresponding to each carrier group identifier to be reported, which is reported by the reporting identifier, into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group set identifier to be reported.
Based on any of the above embodiments, the terminal further includes:
and the measurement result identification unit is used for taking the special identification field as the channel quality data corresponding to any carrier group identifier to be reported if the channel quality data corresponding to any carrier group identifier to be reported is not measured.
Based on any of the above embodiments, in the terminal, the quality reporting information generating unit 730 is further configured to:
filling the carrier type identifier corresponding to the carrier type into a carrier type identifier field in the format to be reported; the carrier type identification field is a logic channel ID or a P/C domain;
and the padding bit unit is used for padding the padding bits to the vacancy of the last byte if the last byte of the report format is not aligned.
Based on any of the above embodiments, the terminal further includes:
and the carrier grouping configuration information receiving unit is used for receiving the carrier grouping configuration information sent by the base station.
Fig. 8 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 8, the electronic device may include: a processor (processor)801, a communication Interface (Communications Interface)802, a memory (memory)803 and a communication bus 804, wherein the processor 801, the communication Interface 802 and the memory 803 complete communication with each other through the communication bus 804. The processor 801 may invoke a computer program stored in the memory 803 and operable on the processor 801 to execute the method for reporting channel quality measurement of the novel wireless broadband communication system provided by the foregoing embodiments, for example, the method includes: receiving a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported; if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period; generating quality reporting information based on the format to be reported and the channel quality data; and sending the quality reporting information to a base station.
In addition, the logic instructions in the memory 803 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, is implemented to perform a channel quality measurement reporting method of a novel wireless broadband communication system provided in the foregoing embodiments, and the method includes: receiving a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported; if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period; generating quality reporting information based on the format to be reported and the channel quality data; and sending the quality reporting information to a base station.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for reporting channel quality measurement of a novel wireless broadband communication system is characterized by comprising the following steps:
receiving a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported;
if the carrier type corresponding to the carrier information to be reported is a working carrier, measuring channel quality data of the working carrier corresponding to the carrier information to be reported; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period;
generating quality reporting information based on the format to be reported and the channel quality data;
and sending the quality reporting information to a base station.
2. The method according to claim 1, wherein the generating quality report information based on the format to be reported and the channel quality data includes:
and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported into the channel quality field in the format to be reported to generate quality reporting information.
3. The method according to claim 1, wherein the generating quality report information based on the format to be reported and the channel quality data includes:
filling any carrier group identifier to be reported into a carrier group identifier field in the format to be reported, filling channel quality data corresponding to any carrier group identifier to be reported into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group identifier to be reported;
correspondingly, the sending the quality reporting information to the base station specifically includes:
and sequentially sending the quality reporting information respectively corresponding to each carrier group identifier to be reported to a base station.
4. The method according to claim 1, wherein the generating quality report information based on the format to be reported and the channel quality data includes:
filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling the channel quality data of each carrier group corresponding to the carrier group set identifier to be reported into the channel quality field in the format to be reported, and generating quality reporting information corresponding to the carrier group set identifier to be reported;
correspondingly, the sending the quality reporting information to the base station specifically includes:
and sequentially sending the quality reporting information respectively corresponding to each carrier group set identifier to be reported to a base station.
5. The method according to claim 1, wherein the generating quality report information based on the format to be reported and the channel quality data includes:
if the channel quality data corresponding to any carrier group identifier to be reported exists, setting the reporting identifier corresponding to any carrier group identifier to be reported as reporting, otherwise, setting the reporting identifier not to be reported;
and sequentially filling the reporting identifier corresponding to each carrier group identifier to be reported into the group index domain in the format to be reported, and sequentially filling the channel quality data corresponding to each carrier group identifier to be reported, which is reported by the reporting identifier, into the channel quality field in the format to be reported to generate quality reporting information.
6. The method as claimed in claim 5, wherein the step of sequentially filling the reporting id corresponding to each group id of the carriers to be reported into the group index field in the format to be reported, and sequentially filling the channel quality data corresponding to each group id of the carriers to be reported, which is reported by the reporting id, into the channel quality field in the format to be reported, so as to generate the quality reporting information specifically includes:
and for any carrier group set identifier to be reported, filling any carrier group set identifier to be reported into a carrier group set identifier field in the format to be reported, sequentially filling a reporting identifier corresponding to each carrier group identifier to be reported contained in any carrier group set identifier to be reported into a group index field in the format to be reported, sequentially filling channel quality data corresponding to each carrier group identifier to be reported, which is reported by the reporting identifier, into a channel quality field in the format to be reported, and generating quality reporting information corresponding to any carrier group set identifier to be reported.
7. The method for reporting channel quality measurement in a wireless broadband communication system according to any one of claims 2 to 4, wherein the generating quality reporting information based on the format to be reported and the channel quality data further comprises:
and if the channel quality data corresponding to any carrier group identifier to be reported is not measured, taking the special identifier field as the channel quality data corresponding to any carrier group identifier to be reported.
8. The method of any one of claims 1 to 6, wherein the generating quality report information based on the format to be reported and the channel quality data further comprises:
filling the carrier type identifier corresponding to the carrier type into a carrier type identifier field in the format to be reported; the carrier type identification field is a logic channel ID or a P/C domain;
and if the last byte of the report format is not aligned, filling bits to the vacancy of the last byte.
9. The method for reporting channel quality measurement in a wireless broadband communication system according to any one of claims 1 to 6, wherein the receiving the channel quality reporting indicator sent by the base station further includes:
and receiving carrier grouping configuration information sent by the base station.
10. A terminal, comprising:
an indication receiving unit, configured to receive a channel quality reporting indication sent by a base station; the channel quality reporting indication comprises carrier information to be reported and a format to be reported; the carrier information to be reported comprises a carrier group identifier to be reported and/or a carrier group set identifier to be reported;
a channel quality measuring unit, configured to measure channel quality data of a working carrier corresponding to the carrier information to be reported if the carrier type corresponding to the carrier information to be reported is a working carrier; if the carrier type is a non-working carrier, measuring channel quality data of the non-working carrier corresponding to the carrier information to be reported in a non-service transmission period;
a quality reporting information generating unit, configured to generate quality reporting information based on the format to be reported and the channel quality data;
and the quality reporting information sending unit is used for sending the quality reporting information to the base station.
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