CN110351005B - Communication operation method and communication equipment - Google Patents

Communication operation method and communication equipment Download PDF

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CN110351005B
CN110351005B CN201810300677.5A CN201810300677A CN110351005B CN 110351005 B CN110351005 B CN 110351005B CN 201810300677 A CN201810300677 A CN 201810300677A CN 110351005 B CN110351005 B CN 110351005B
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spreading factor
information bits
intermediate information
tbs
cqi
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CN110351005A (en
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邢艳萍
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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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
    • 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
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

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  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a communication operation method and communication equipment, wherein the method comprises the following steps: obtaining a TBS, a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; and performing communication operation according to the TBS, the CQI table or the MCS table. The embodiment of the invention can be suitable for a symbol-level spread spectrum mechanism, thereby improving the communication performance of a communication system.

Description

Communication operation method and communication equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication operation method and a communication device.
Background
Various parameters exist in the communication system, as well as various tables, such as: transport Block Size (TBS), Modulation and Coding Scheme (MCS) table, Channel Quality Indicator (CQI) table, and the like. The MCS table may include MCS number, Modulation Order (Qm), Code Rate (CR), and Spectral Efficiency (SE), and the CQI table may include: CQI number, Qm, CR, and SE. However, currently, in the research of New Radio (NR) non-orthogonal multiple access (non-orthogonal multiple access) technologies, a class of non-orthogonal multiple access technologies employs a symbol-level spreading mechanism at a transmitting end, for example: and spreading the modulated complex value symbols by adopting a spreading sequence, and then mapping the symbols to time frequency resources for sending. Due to the spreading rate, if the communication system also uses the currently determined TBS, MCS table or CQI table, the communication performance of the communication system is low.
Disclosure of Invention
The embodiment of the invention provides a communication operation method and communication equipment, aiming at solving the problem of low communication performance of a communication system.
To achieve the above object, a communication operation method includes:
acquiring a Transport Block Size (TBS), a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectral efficiency in the CQI table corresponds to the spreading factor, the spectral efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
and performing communication operation according to the TBS, the CQI table or the MCS table.
Optionally, the spreading factor is defined in a protocol or notified by a network side.
Optionally, the obtaining the TBS includes:
calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of a data channel by the spreading factor; or
And calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
Optionally, the calculating the number of the intermediate information bits according to the resource number calculation result includes:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Optionally, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
Optionally, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
Optionally, the performing a communication operation according to the CQI table or the MCS table includes:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
Optionally, the same CQI table or the same MCS table corresponds to the same spreading factor.
Optionally, the obtaining the CQI table or the MCS table includes:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
Optionally, the performing a communication operation according to the TBS, the CQI table, or the MCS table includes:
according to the TBS, carrying out data transmission; or
Selecting table entry content in the CQI table, and sending the table entry content to an opposite terminal; or
And selecting table item content in the MCS table, and sending the table item content to an opposite terminal.
An embodiment of the present invention further provides a communication device, including:
an obtaining module, configured to obtain a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, a spectrum efficiency in the CQI table corresponds to the spreading factor, a spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
and the operation module is used for carrying out communication operation according to the TBS, the CQI table or the MCS table.
Optionally, the obtaining module is configured to calculate a number of intermediate information bits according to a resource number calculation result, and determine a TBS corresponding to the number of intermediate information bits, where the resource number calculation result is a calculation result obtained by dividing the number of resources of the data channel by the spreading factor; or
The acquisition module is used for calculating the number of intermediate information bits according to the number of resources of a data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
Optionally, the calculating the number of the intermediate information bits according to the resource number calculation result includes:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Optionally, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
Optionally, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
An embodiment of the present invention provides a communication device, including: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor,
the processor is used for reading the program in the memory and executing the following processes:
obtaining a TBS, a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
the transceiver is used for carrying out communication operation according to the TBS, the CQI table or the MCS table;
alternatively, the first and second electrodes may be,
the transceiver is configured to acquire a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, the spectral efficiency in the CQI table corresponds to the spreading factor, the spectral efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
and performing communication operation according to the TBS, the CQI table or the MCS table.
Optionally, the obtaining the TBS includes:
calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of a data channel by the spreading factor; or
And calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
Optionally, the calculating the number of the intermediate information bits according to the resource number calculation result includes:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, includes:
by the formula Ninfo＝NRE·R·Qmv/N calculation of the number of intermediate information bitsNumber calculation result, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Optionally, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
Optionally, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
Optionally, the performing a communication operation according to the CQI table or the MCS table includes:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
Optionally, the same CQI table or the same MCS table corresponds to the same spreading factor.
Optionally, the obtaining the CQI table or the MCS table includes:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the communication operation method provided in the embodiments of the present invention.
In the embodiment of the invention, a TBS, a CQI table or an MCS table is obtained, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; and performing communication operation according to the TBS, the CQI table or the MCS table. The spectrum efficiency in the spectrum efficiency of the CQI table and the MCS table, and the TBS corresponding to the spreading factor can be suitable for a symbol-level spreading mechanism, thereby improving the communication performance of a communication system.
Drawings
Fig. 1 is a flowchart of a communication operation method according to an embodiment of the present invention;
fig. 2 is a block diagram of a communication device according to an embodiment of the present invention;
fig. 3 is a block diagram of another communication device provided in an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The communication operation method provided by the embodiment of the present invention may be applied to communication Equipment, where the communication Equipment may be a terminal, and the terminal may be a User Equipment (UE) or other terminal Equipment, for example: terminal side equipment such as a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or a Wearable Device (Wearable Device) is not limited to a specific type of terminal in the embodiments of the present invention. Or the communication device may be a network side device, and the network side device may be a base station, for example: macro station, LTE eNB, 5G NR NB, etc.; the network side device may also be a small station, such as a Low Power Node (LPN), pico, femto, or an Access Point (AP); the base station may also be a network node that is composed of a Central Unit (CU) and a plurality of Transmission Reception Points (TRPs) whose management is and controls. It should be noted that, in the embodiment of the present invention, the specific type of the network-side device is not limited.
Referring to fig. 1, fig. 1 is a flowchart of a communication operation method according to an embodiment of the present invention, as shown in fig. 1, including the following steps:
101. obtaining a TBS, a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
102. and performing communication operation according to the TBS, the CQI table or the MCS table.
The TBS may be obtained by calculation, or a TBS defined in an acquisition protocol, and the CQI table or the MCS table may be a CQI table or an MCS table defined in the acquisition protocol, or a CQI table or an MCS table pre-configured by the communication device in advance, that is, a CQI table or an MCS table pre-stored locally may be obtained, which is not limited in this respect.
The TBS may be associated with a spreading factor, and the TBS may be acquired based on the spreading factor, or may be associated with a spreading factor as defined in a protocol in which the TBS and the spreading factor exist. The correspondence between the spectrum efficiency in the CQI table or the MCS table and the spreading factor may be determined according to the spreading factor, or a correspondence relationship defined in a spreading factor existence protocol between the spectrum efficiency and the spreading factor.
In the embodiment of the present invention, the TBS, the CQI table, and the MCS table used in the communication device may be the TBS, the CQI table, and the MCS table in step 101. Of course, in a certain scenario, the TBS used in the communication device may be the TBS defined in step 101, or the CQI table used in the communication device may be the CQI table defined in step 101, or the MCS table used in the communication device may be the MCS table defined in step 101, and the like, which is not limited thereto.
The performing communication operations according to the TBS may include performing data transmission according to the TBS, for example: the communication device (terminal or network side device) transmits or receives data in the TBS as a transmission unit. Alternatively, the communication operation performed according to the TBS may be that a communication device (e.g., a terminal or a network side device) performs corresponding resource allocation according to the TBS. It should be noted that, in the embodiment of the present invention, what kind of communication operation is performed according to the TBS is not limited, and any communication operation using the TBS in the communication system should be regarded as the protection scope of the present invention.
The performing of the communication operation according to the CQI table may include: selecting table entry content in the CQI table, and sending the table entry content to an opposite end, for example: the communication device (e.g., the terminal) may select corresponding entry content according to the measurement result and report the entry content to the network side device, where the entry content may be a CQI number, or a modulation order, a code rate, or spectrum efficiency corresponding to a certain CQI number. Or, the performing of the communication operation according to the CQI table may be that a communication device (e.g., a network side device) determines a corresponding modulation order, a corresponding code rate, and a corresponding spectral efficiency according to a CQI number reported by the terminal, and then performs resource allocation or performs communication operations such as data transmission according to the determined modulation order, the determined code rate, and the determined spectral efficiency. It should be noted that, in the embodiment of the present invention, it is not limited to perform such a communication operation according to the CQI table, and any communication operation using the CQI table in the communication system may be regarded as the protection scope of the present invention.
The performing the communication operation according to the MCS table may include: selecting table entry content in the MCS table, and sending the table entry content to an opposite end, for example: the communication device (e.g., a network side device) may select entry content in the MCS table and notify the entry content to the terminal, and may also perform corresponding resource configuration, and the like, where the entry content may be an MCS number, or a modulation order, a code rate, or a spectrum efficiency corresponding to a certain MCS number. Alternatively, the communication operation performed according to the MCS table may be that a communication device (e.g., a terminal) determines a corresponding modulation order, a corresponding code rate, and a corresponding spectral efficiency according to the MCS number notified by the network side device, and then performs a communication operation such as data transmission according to the determined modulation order, the determined code rate, and the determined spectral efficiency. In the embodiment of the present invention, it is not limited to performing the communication operation according to the MCS table, and any communication operation using the MCS table in the communication system may be regarded as the protection scope of the present invention.
It should be noted that, in the embodiment of the present invention, since the spreading factor may be 1, that is, the embodiment of the present invention is applicable to both the case where the spreading and non-spreading mechanisms coexist, and the correct TBS, MCS and/or CQI table is used when switching between the spreading and non-spreading mechanisms dynamically or semi-statically, so as to improve the communication performance.
In the above steps, the spectrum efficiency in the spectrum efficiency of the CQI table and the MCS table, and the TBS and the spreading factor correspond to each other, so that the method can be applied to a symbol-level spreading mechanism, and further improve the communication performance of the communication system.
As an optional implementation, the spreading factor is defined in a protocol or notified by a network side.
In this embodiment, the spreading factor may be defined in a protocol or notified by a network side, so that the flexibility of the spreading factor may be improved to adapt to different communication services or communication scenarios. Of course, the spreading factor may be pre-configured.
As an optional implementation manner, the obtaining the TBS includes:
and calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of the data channel by the spreading factor.
Wherein, the calculating of the number of the intermediate information bits according to the resource number calculation result may be based on
The calculation formula of the number of the intermediate information bits is calculated, for example: by using Ninfo＝NRE/SF·R·QmV, wherein NinfoFor the number of intermediate information bits, NREIs the number of resources of the data channel, SF is the spreading factor, NREthe/SF is the calculation result of the number of resources, R is the code rate, QmAnd upsilon is the modulation order and the number of the code words. In addition, the TBS for determining the number of the intermediate information bits may be obtained by quantizing the number of the intermediate information bits. Assuming that the existing TBS calculation method in NR is used, this embodiment comprises the following steps:
determining the number N of available REs within a PRBRE；
Determining the number N of available REs for a data channelRE，NRE＝min(156,N'RE)·nPRBWherein n isPRBFor the number of PRBs allocated to the data channel, min () is a minimum function;
calculating the number N of intermediate information bitsinfo，Ninfo＝NRE/SF·R·Qm·υ；
To NinfoQuantization is performed to determine TBS.
In this embodiment, the calculated result obtained by dividing the number of resources of the data channel by the spreading factor can implement that the determined TBS can be applied to a symbol-level spreading mechanism, thereby improving the communication performance of the communication system.
Of course, in this embodiment, the calculating the number of the intermediate information bits according to the result of the resource number calculation may also include:
using the formula Ninfo＝NRE·R·Qmupsilon/N calculates the number of intermediate information bits, where NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Alternatively, the number of the intermediate information bits corresponding to the TBS is Ninfo＝NRE·R·Qmupsilon/N. Further, optionally, by default, υ 1, N may be usedinfo＝NRE·R·Qmand/N. Of course, the above v may have other values, and is not limited thereto.
As an optional implementation manner, the obtaining the TBS includes:
and calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
Wherein, according to the resource number of the data channel, the number of the intermediate information bits can be calculated by using a calculation formula according to the number of the intermediate information bits, for example: by using Ninfo＝NRE·R·QmThe number of bits of the intermediate information is obtained through upsilon calculation, or the calculation result of the number of bits can be obtained through a formula Ninfo＝NRE·R·QmAnd v/N, and then dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, thereby determining the TBS corresponding to the calculation result of the number of the intermediate information bits, for example: and quantizing the calculation result of the number of the intermediate information bits to obtain the TBS suitable for the symbol-level spread spectrum mechanism, thereby improving the communication performance of the communication system.
For example: in TBS calculation, the number N of intermediate information bits is determinedinfo＝NRE·R·Qmupsilon/SF, wherein NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmTo modulate the orderNumber, upsilon is the number of code words, and SF is the spreading factor. Assuming that the existing TBS calculation method in NR is used, this embodiment comprises the following steps:
determining the number N 'of available REs within one PRB'RE；
Determining the number N of available REs for a data channelRE，NRE＝min(156,N'RE)·nPRBWherein n isPRBFor the number of PRBs allocated to the data channel, min () is a minimum function;
calculating the number N of intermediate information bitsinfo，Ninfo＝NRE·R·Qm·υ/SF；
To NinfoQuantization is performed to determine TBS.
Optionally, the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits includes:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Alternatively, the calculation result of the number of the intermediate information bits corresponding to the TBS is Ninfo＝NRE·R·Qmupsilon/N. Further, optionally, by default, υ 1, N may be usedinfo＝NRE·R·Qmand/N. Of course, the above v may have other values, and is not limited thereto.
It should be noted that, in this embodiment, the existing calculation methods in NR may be used for calculating the number of resources of the data channel, the number of the intermediate information bits, and the TBS, but in this embodiment, the parameters used are different, so that the method is applicable to a symbol-level spreading mechanism, and further improves the communication performance of the communication system. For example: and the number of the resources of the data channel adopted in the calculation is the number of the resources of the data channel divided by the spreading factor, or the number of the intermediate information bits is the number of the intermediate information bits divided by the spreading factor. Of course, in the embodiment of the present invention, the calculation is not limited to the conventional calculation method in NR, and other methods for calculating TBS may be adopted, which is not limited thereto.
As an optional implementation manner, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate.
The product of the modulation order and the code rate may be located in the same row in the MCS table or the CQI table, or the product of the modulation order and the code rate in the same modulation and coding combination, and the obtained spectrum efficiency is the spectrum efficiency of the row or the modulation and coding combination, where each modulation and coding combination includes the modulation order and the code rate.
For example: can be represented by formula
Figure GDA0003349647290000111
The spectral efficiency is calculated. Wherein Q ismFor the modulation order, CR is the code rate, SF is the spreading factor, and SE is the spectral efficiency.
In this embodiment, the spectrum efficiency in the MCS table or the CQI table may be calculated by dividing the efficiency value by the spreading factor, so that the MCS table or the CQI table is suitable for a symbol-level spreading mechanism, thereby improving the communication performance of the communication system.
As an optional embodiment, the spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function is an efficiency value divided by the spreading factor, and the efficiency value is a product of a modulation order multiplied by a code rate.
Wherein the function may be
Figure GDA0003349647290000121
Wherein Q ismFor the modulation order, CR is the code rate, SF is the spreading factor, and SE is the spectral efficiency.
In this embodiment, the spectrum efficiency in the MCS table or the CQI table may be a function of the spreading factor, so that the compatibility of the MCS table or the CQI table may be improved, because different spreading factors may be applied to the MCS table or the CQI table, for example: the communication devices (e.g., the originating and receiving ends) may determine the corresponding spectral efficiency based on the spreading factor employed. Of course, if no spreading is used, SF is 1, i.e., SE is QmCR, CQI tables are the same, and are not described again. For example: the MCS expression is used as an example, and may be specifically as shown in fig. 1, where the CQI table is the same.
Table 1:
Figure GDA0003349647290000122
Figure GDA0003349647290000131
as an optional implementation manner, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors, where each modulation and coding combination includes a modulation order and a code rate.
The above-mentioned at least two spectrum efficiencies corresponding to the same modulation and coding combination may be understood as that there are multiple spectrum efficiencies in the MCS table or the CQI table for the modulation and coding combination, and the above-mentioned at least two spectrum efficiencies corresponding to different spreading factors may be understood as that different spectrum efficiencies correspond to different spreading factors, for example: with the spectrum efficiency, the same modulation order and code rate described in the above embodiment, different spectrum efficiencies can be obtained with different spreading factors.
In this embodiment, it is possible to implement that the same modulation coding combination corresponds to at least two spectrum efficiencies, so that compatibility of the communication system can be improved.
For example: in the MCS table and/or CQI table, different spectrum efficiencies are defined for the same modulation and coding combination, and different spreading factors are defined, including a mode in which the spreading factor is equal to 1, i.e., no spreading is performed.
In particular, spectral efficiency
Figure GDA0003349647290000141
Wherein Q ismFor the modulation order, CR is the code rate, SF is the spreading factor, and SE is the spectral efficiency. Taking the MCS table as an example, as shown in table 2, where the spectrum efficiency 2 corresponds to the spectrum efficiency in the case that the spreading factor is equal to 4. A plurality of columns with spreading factors greater than 1 may be included in the same MCS table and/or CQI table, and further description is omitted here. The communication devices (originating and receiving) may determine the corresponding spectral efficiency based on the spreading factor employed.
Table 2:
Figure GDA0003349647290000142
Figure GDA0003349647290000151
as an optional implementation manner, in the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation and coding combinations, and the at least two modulation and coding combinations correspond to different spreading factors, where each modulation and coding combination includes a modulation order and a code rate.
The above-mentioned at least two modulation and coding combinations corresponding to the same spectrum efficiency may be understood as that the spectrum efficiency has a plurality of modulation and coding combinations in the MCS table or the CQI table, and the above-mentioned at least two modulation and coding combinations corresponding to different spreading factors may be understood as that different modulation and coding combinations correspond to different spreading factors, for example: with the spectrum efficiency and the same spectrum efficiency described in the above embodiments, different modulation and coding combinations, that is, different modulation orders and code rates, can be corresponded by different spreading factors.
In this embodiment, it is possible to implement that the same spectrum efficiency corresponds to at least two modulation and coding combinations, so that compatibility of the communication system can be improved.
For example: in the MCS and/or CQI tables, different modulation and coding combinations are defined for the same spectral efficiency and for different spreading factors. In particular, the amount of the solvent to be used,
Figure GDA0003349647290000161
wherein Q ismFor the modulation order, CR is the code rate and SF is the spreading factor. Take MCS table as an example, as shown in Table 3, wherein the modulation order Qm1Modulation coding combination and modulation order Q under non-spread spectrum corresponding to code rate R1m2And code rate R2 corresponds to a modulation coding combination at a spreading factor of 4,
Figure GDA0003349647290000162
the communication devices (the transmitting side and the receiving side) can determine the corresponding modulation and coding combination according to the adopted spreading factor and the indicated MCS number or CQI number.
Table 3:
Figure GDA0003349647290000163
Figure GDA0003349647290000171
optionally, in this embodiment, the performing a communication operation according to the CQI table or the MCS table includes:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
In this embodiment, it can be realized that communication devices (e.g., a transmitting end and a receiving end) can determine corresponding modulation and coding combinations according to the adopted spreading factor and the indicated MCS number or CQI number, thereby improving compatibility of the communication system to adapt to different service or scenario requirements.
In an alternative embodiment, the same CQI table or the same MCS table corresponds to the same spreading factor.
In this embodiment, it may be implemented that separate MCS tables and/or CQI tables are defined for different spreading factors, i.e. only the same spreading factor is used in the same or the same MCS table or the same CQI table. Therefore, errors in the use of the MCS table or the CQI table are avoided, and the selection is only needed according to the MCS number or the CQI number instead of the spreading factor after the MCS table or the CQI table is determined, so that the processing efficiency is improved.
Optionally, in this embodiment, the obtaining a CQI table or an MCS table includes:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
In this embodiment, one or more CQI tables may be predefined in the communication device or protocol, one or more MCS tables may be predefined in the communication device or protocol, and different CQI tables or MCS tables correspond to different spreading factors.
In this embodiment, it can be realized that the communication devices (e.g., the transmitting end and the receiving end) can determine the corresponding MCS table and/or CQI table according to the adopted spreading factor.
In the above embodiments, it may be implemented that the independent MCS table and/or CQI table is defined based on the spread spectrum transmission scheme. Further, separate tables are defined for different spreading factors, or the same table is defined but for different spectral efficiency or modulation coding combinations. For the method of defining different spectrum efficiencies corresponding to different spreading factors or defining modulation code combinations corresponding to different spreading factors in the same table, reference may be made to the embodiments shown in tables 1 to 3, which are not described herein again.
In this embodiment, the MCS table is taken as an example, and as shown in table 4, the transmission scheme corresponding to the spreading factor of 4 is used. The communication devices (the transmitting end and the receiving end) can determine the corresponding MCS table and/or CQI table according to the employed spreading factor.
Table 4:
Figure GDA0003349647290000191
Figure GDA0003349647290000201
it should be noted that various optional implementations described in the embodiments of the present invention may be implemented in combination with each other, or may be implemented separately, and are not limited thereto.
In the embodiment of the invention, a TBS, a CQI table or an MCS table is obtained, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; and performing communication operation according to the TBS, the CQI table or the MCS table. The spectrum efficiency in the spectrum efficiency of the CQI table and the MCS table, and the TBS corresponding to the spreading factor can be suitable for a symbol-level spreading mechanism, thereby improving the communication performance of a communication system.
Referring to fig. 2, fig. 2 is a structural diagram of a communication device according to an embodiment of the present invention, and as shown in fig. 2, the communication device 200 includes:
an obtaining module 201, configured to obtain a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, a spectrum efficiency in the CQI table corresponds to the spreading factor, a spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
an operation module 202, configured to perform a communication operation according to the TBS, the CQI table, or the MCS table.
Optionally, the spreading factor is defined in a protocol or notified by a network side.
Optionally, the obtaining module 201 is configured to calculate a number of intermediate information bits according to a resource number calculation result, and determine a TBS corresponding to the number of intermediate information bits, where the resource number calculation result is a calculation result obtained by dividing the number of resources of the data channel by the spreading factor; or
The obtaining module 201 is configured to calculate a number of intermediate information bits according to a resource number of a data channel, divide the number of intermediate information bits by the spreading factor to obtain a calculation result of the number of intermediate information bits, and determine a TBS corresponding to the calculation result of the number of intermediate information bits.
Optionally, the calculating the number of the intermediate information bits according to the resource number calculation result includes:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Optionally, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
Optionally, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
Optionally, the operation module 202 is configured to select, according to the spreading factor and an indicated CQI number, a modulation and coding combination corresponding to the spreading factor from at least two modulation and coding combinations corresponding to the CQI number, and perform a communication operation by using the selected modulation and coding combination, where the at least two modulation and coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
The operation module 202 is configured to select, according to the spreading factor and an indicated MCS number, a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number, and perform a communication operation by using the selected modulation coding combination, where the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
Optionally, the same CQI table or the same MCS table corresponds to the same spreading factor.
Optionally, the obtaining module 201 is configured to obtain, according to the adopted spreading factor, a CQI table or an MCS table corresponding to the spreading factor.
Optionally, the operation module 202 is configured to perform data transmission according to the TBS; or
The operation module 202 is configured to select entry content in the CQI table and send the entry content to an opposite end; or
The operation module 202 is configured to select entry content in the MCS table and send the entry content to an opposite end.
It should be noted that, in this embodiment, the communication device 200 may be a communication device of any implementation manner in the method embodiment in the present embodiment, and any implementation manner of the communication device in the method embodiment in the present embodiment may be implemented by the communication device 200 in this embodiment, so as to achieve the same beneficial effects, and details are not described here again.
Referring to fig. 3, fig. 3 is a structural diagram of another communication device according to an embodiment of the present invention, and as shown in fig. 3, the communication device includes: a transceiver 310, a memory 320, a processor 300, and a computer program stored on the memory 320 and executable on the processor, wherein:
the processor 300 is used for reading the program in the memory and executing the following processes:
obtaining a TBS, a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
the transceiver 310 is configured to perform a communication operation according to the TBS, the CQI table, or the MCS table;
alternatively, the first and second electrodes may be,
the transceiver 310 is configured to acquire a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, the spectral efficiency in the CQI table corresponds to the spreading factor, the spectral efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1;
and performing communication operation according to the TBS, the CQI table or the MCS table.
Among other things, the transceiver 310 may be used to receive and transmit data under the control of the processor 300.
In FIG. 3, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 300 and memory represented by memory 320. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 310 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.
The processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 may store data used by the processor 300 in performing operations.
It should be noted that the memory 320 is not limited to only being on the communication device, and the memory 320 and the processor 300 may be separated in different geographical locations.
Optionally, the spreading factor is defined in a protocol or notified by a network side.
Optionally, the obtaining the TBS includes:
calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of a data channel by the spreading factor; or
And calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
Optionally, the calculating the number of the intermediate information bits according to the resource number calculation result includes:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
Optionally, the spectrum efficiency in the MCS table or the CQI table is a calculation result obtained by dividing an efficiency value by the spreading factor, where the efficiency value is a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
Optionally, in the MCS table or the CQI table, the same modulation and coding combination corresponds to at least two spectrum efficiencies, and the at least two spectrum efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
Optionally, the performing a communication operation according to the CQI table or the MCS table includes:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
Optionally, the same CQI table or the same MCS table corresponds to the same spreading factor.
Optionally, the obtaining the CQI table or the MCS table includes:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
Optionally, the performing a communication operation according to the TBS, the CQI table, or the MCS table includes:
according to the TBS, carrying out data transmission; or
Selecting table entry content in the CQI table, and sending the table entry content to an opposite terminal; or
And selecting table item content in the MCS table, and sending the table item content to an opposite terminal.
It should be noted that, the communication device in this embodiment may be a communication device in any implementation manner in the method embodiment in the embodiment of the present invention, and any implementation manner of the communication device in the method embodiment in the embodiment of the present invention may be implemented by the communication device in this embodiment to achieve the same beneficial effects, and details are not described here.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the communication operation method provided by the embodiments of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the processing method of the information data block according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (24)

1. A method of communication operation, comprising:
acquiring a Transport Block Size (TBS), a Channel Quality Indication (CQI) table or a Modulation and Coding Scheme (MCS) table, wherein the TBS corresponds to a spreading factor, the spectral efficiency in the CQI table corresponds to the spreading factor, the spectral efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; wherein, the obtaining the TBS includes: determining corresponding TBS through calculation according to the number of resources and the spreading factor;
and performing communication operation according to the TBS, the CQI table or the MCS table.
2. The method of claim 1, wherein the spreading factor is defined in a protocol or signaled by a network side.
3. The method of claim 1 or 2, wherein said determining the corresponding TBS by calculation based on the number of resources and the spreading factor comprises:
calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of a data channel by the spreading factor; or
And calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
4. The method of claim 3, wherein said calculating the number of intermediate information bits based on the resource number calculation comprises:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
5. The method of claim 1, wherein spectral efficiency in the MCS table or the CQI table is a calculation result of dividing an efficiency value by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
6. The method of claim 1, 2 or 5, wherein in the MCS table or the CQI table, the same modulation coding combination corresponds to at least two spectral efficiencies, and the at least two spectral efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
7. The method of claim 6, wherein the performing a communication operation according to the CQI table or MCS table comprises:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
8. The method of claim 1, 2 or 5, characterized in that the same CQI table or the same MCS table corresponds to the same spreading factor.
9. The method of claim 8, wherein the obtaining a CQI table or an MCS table comprises:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
10. The method of claim 1, 2 or 5, wherein the performing a communication operation according to the TBS, CQI table or MCS table comprises:
according to the TBS, carrying out data transmission; or
Selecting table entry content in the CQI table, and sending the table entry content to an opposite terminal; or
And selecting table item content in the MCS table, and sending the table item content to an opposite terminal.
11. A communication device, comprising:
an obtaining module, configured to obtain a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, a spectrum efficiency in the CQI table corresponds to the spreading factor, a spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; wherein, the obtaining the TBS includes: determining corresponding TBS through calculation according to the number of resources and the spreading factor;
and the operation module is used for carrying out communication operation according to the TBS, the CQI table or the MCS table.
12. The communications device as claimed in claim 11, wherein the obtaining module is configured to calculate a number of intermediate information bits according to a resource number calculation result, and determine the TBS corresponding to the number of intermediate information bits, where the resource number calculation result is a calculation result obtained by dividing a resource number of a data channel by the spreading factor; or
The acquisition module is used for calculating the number of intermediate information bits according to the number of resources of a data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
13. The communications device of claim 12, wherein said calculating the number of intermediate information bits based on the resource number calculation result comprises:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
14. The communications device of claim 11, wherein spectral efficiency in the MCS table or the CQI table is a calculation of an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
15. The communication device according to claim 11 or 14, wherein in the MCS table or the CQI table, the same modulation coding combination corresponds to at least two spectral efficiencies, and the at least two spectral efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
16. A communication device, comprising: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor,
the processor is used for reading the program in the memory and executing the following processes:
obtaining a TBS, a CQI table or an MCS table, wherein the TBS corresponds to a spreading factor, the spectrum efficiency in the CQI table corresponds to the spreading factor, the spectrum efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; wherein, the obtaining the TBS includes: determining corresponding TBS through calculation according to the number of resources and the spreading factor;
the transceiver is used for carrying out communication operation according to the TBS, the CQI table or the MCS table;
alternatively, the first and second electrodes may be,
the transceiver is configured to acquire a TBS, a CQI table, or an MCS table, where the TBS corresponds to a spreading factor, the spectral efficiency in the CQI table corresponds to the spreading factor, the spectral efficiency in the MCS table corresponds to the spreading factor, and the spreading factor is an integer greater than or equal to 1; wherein, the obtaining the TBS includes: determining corresponding TBS through calculation according to the number of resources and the spreading factor;
and performing communication operation according to the TBS, the CQI table or the MCS table.
17. The communications device of claim 16, wherein said computationally determining a corresponding TBS based on a number of resources and said spreading factor comprises:
calculating the number of intermediate information bits according to the calculation result of the number of resources, and determining the TBS corresponding to the number of the intermediate information bits, wherein the calculation result of the number of resources is a calculation result obtained by dividing the number of resources of a data channel by the spreading factor; or
And calculating the number of intermediate information bits according to the number of resources of the data channel, dividing the number of the intermediate information bits by the spreading factor to obtain a calculation result of the number of the intermediate information bits, and determining the TBS corresponding to the calculation result of the number of the intermediate information bits.
18. The communications device of claim 17, wherein said calculating the number of intermediate information bits based on the resource number calculation result comprises:
using the formula Ninfo＝NRE·R·Qmv/N number of intermediate information bits, NinfoFor the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmIs a modulation order, upsilon is the number of code words, and N is the spreading factor;
the calculating the number of the intermediate information bits according to the number of the resources of the data channel, and dividing the number of the intermediate information bits by the spreading factor to obtain the number of the intermediate information bits calculation result comprises:
by the formula Ninfo＝NRE·R·QmCalculating the number of intermediate information bits by upsilon/N, wherein NinfoCalculating the result for the number of intermediate information bits, NREIs the resource number of the data channel, R is the code rate, QmAnd upsilon is the modulation order, the number of the code words is upsilon, and the spreading factor is N.
19. The communications device of claim 16, wherein spectral efficiency in the MCS table or the CQI table is a calculation of an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate; or
The spectrum efficiency in the MCS table or the CQI table is a function of the spreading factor, the function being an efficiency value divided by the spreading factor, the efficiency value being a product of a modulation order multiplied by a code rate.
20. The communication device according to claim 16 or 19, wherein in the MCS table or the CQI table, the same modulation coding combination corresponds to at least two spectral efficiencies, and the at least two spectral efficiencies correspond to different spreading factors; or
In the MCS table or the CQI table, the same spectrum efficiency corresponds to at least two modulation coding combinations, and the at least two modulation coding combinations correspond to different spreading factors;
each modulation coding combination comprises a modulation order and a code rate.
21. The communications device of claim 20, wherein said performing communications operations according to the CQI table or MCS table comprises:
according to the spreading factor and an indicated CQI number, selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the CQI number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the CQI number in the CQI table correspond to the same spectrum efficiency; or
And selecting a modulation coding combination corresponding to the spreading factor from at least two modulation coding combinations corresponding to the MCS number according to the spreading factor and the indicated MCS number, and performing communication operation by using the selected modulation coding combination, wherein the at least two modulation coding combinations corresponding to the MCS number in the MCS table correspond to the same spectrum efficiency.
22. The communication device according to claim 16 or 19, wherein the same CQI table or the same MCS table corresponds to the same spreading factor.
23. The communications device of claim 22, wherein said obtaining a CQI table or MCS table comprises:
and acquiring a CQI table or an MCS table corresponding to the spreading factor according to the adopted spreading factor.
24. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of a method of communication operations according to any one of claims 1 to 10.
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