CN110149701A - A kind of uplink information transmission and equipment - Google Patents

A kind of uplink information transmission and equipment Download PDF

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Publication number
CN110149701A
CN110149701A CN201810144560.2A CN201810144560A CN110149701A CN 110149701 A CN110149701 A CN 110149701A CN 201810144560 A CN201810144560 A CN 201810144560A CN 110149701 A CN110149701 A CN 110149701A
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resource
pusch
coding rate
shared channel
block size
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CN110149701B (en
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杜滢
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China Academy of Information and Communications Technology CAICT
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China Academy of Information and Communications Technology CAICT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

This application discloses a kind of uplink information transmission and equipment, comprising: terminal device is by determining the first transport block size corresponding with first resource unit collection in Physical Uplink Shared Channel；And in the case where first transport block size is not more than encoder bit rate threshold value relative to the efficient coding rate of first resource, Uplink Shared Channel is transmitted in the first resource.In this way, terminal device is after determining uplink size, uplink size determined by judging relative to the efficient coding rate of first resource whether be not more than encoder bit rate threshold value, and in the case where the judgment result is yes, transmit Uplink Shared Channel on the first resource.Once however judging result be it is no, terminal device can use other strategy transmission Uplink Shared Channels, and then effectively solve the problems, such as how terminal device transmits uplink information, effectively improve the transmission performance and efficiency of transmission of new generation of wireless communication system.

Description

Uplink information transmission method and device
Technical Field
The present application relates to the field of wireless communication technologies, and in particular, to a method and device for transmitting uplink information.
Background
With the development of mobile communication technology, a new generation of wireless communication technology (e.g., 5G communication technology) will have higher frequency utilization and energy efficiency, and also have significant improvements in communication security and user experience.
In the new generation wireless communication technology, a Physical Uplink Shared Channel (PUSCH) resource is used to transmit an Uplink Shared Channel (UL-SCH) including a Channel transmitted from a terminal device to a network device. Besides, the PUSCH resource may transmit a Demodulation Reference Signal (DMRS), a phase tracking Reference Signal (PT-RS), a Sounding Reference Signal (SRS), and the like, which are used for demodulating data on the PUSCH. In addition, there may be some resources included in the PUSCH for DMRS transmission with other terminal devices that transmit uplink information by MU-MIMO with the terminal device. Uplink control information may also be transmitted in the PUSCH. When 2-bit and less than 2-bit HARQ-ACK information is transmitted in the PUSCH, the HARQ-ACK information punctures the UL-SCH transmitted in the PUSCH. When more than 2 bits of HARQ-ACK and/or other channel state information are transmitted in the PUSCH, the uplink control information carries out rate matching on UL-SCH data transmitted in the PUSCH. On the PUSCH, the resource elements mapped by the uplink control information rate-matched to the UL-SCH data are not available for UL-SCH data transmission.
Generally, a terminal device transmits UCI in a Physical Uplink Control Channel (PUCCH). However, if the terminal device is simultaneously scheduled to transmit the PUSCH channel within the time of the PUCCH and the PUCCH channel and the PUSCH are not contiguous in the frequency domain, the power efficiency of the terminal device is low if the terminal device simultaneously transmits the PUCCH channel and the PUSCH channel. And if the PUCCH channel and the PUSCH channel are relatively far apart in frequency, there may also be intermodulation interference with each other. Therefore, if the terminal device is scheduled to transmit the PUSCH channel during the time that the terminal device transmits UCI information while the terminal device does not support simultaneous transmission of the PUCCH channel and the PUSCH channel, the terminal device transmits UCI in the PUSCH channel. The terminal device does not support simultaneous transmission of the PUCCH channel and the PUSCH channel, may not support the capability of the terminal device itself, or may indicate, through the configuration information, that the terminal device is not allowed to simultaneously transmit the PUSCH and the PUCCH. Then the terminal device may transmit one of the PUCCH and PUSCH and discard the other channel. In the new generation wireless communication technology, how a terminal device transmits uplink information under the condition that a PUCCH channel and a PUSCH channel are overlapped becomes an urgent problem to be solved.
Disclosure of Invention
In view of this, embodiments of the present application provide an uplink information transmission method and device, so as to solve a problem how a terminal device transmits uplink information.
The embodiment of the application provides an uplink information transmission method, which comprises the following steps:
the method comprises the steps that terminal equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH);
and under the condition that the effective coding rate of the first transport block size relative to the first resource is not greater than the threshold value of the coding rate, the terminal equipment transmits the uplink shared channel on the first resource.
The embodiment of the application provides an uplink information transmission method, which comprises the following steps:
the terminal equipment determines the size of a transmission block corresponding to a target resource unit set in a Physical Uplink Shared Channel (PUSCH);
and the terminal equipment transmits the uplink shared channel on the PUSCH according to the size of the transmission block.
The embodiment of the application provides an uplink information transmission method, which comprises the following steps:
the network equipment receives an uplink shared channel transmitted by the terminal equipment on a first resource;
the uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
An embodiment of the present application further provides an uplink information transmission device, including:
a determining unit, configured to determine a first transport block size corresponding to a first resource unit set in a physical uplink shared channel PUSCH;
and a sending unit, configured to transmit the uplink shared channel on the first resource when the first transport block size is not greater than the coding rate threshold relative to the effective coding rate of the first resource.
An embodiment of the present application further provides an uplink information transmission device, including:
a determining unit, configured to determine a transport block size corresponding to a target resource unit set in a physical uplink shared channel PUSCH;
and a sending unit, configured to transmit an uplink shared channel on the PUSCH according to the transport block size.
An embodiment of the present application provides an uplink information transmission device, including:
a receiving unit, configured to receive an uplink shared channel transmitted by a terminal device on a first resource;
the uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
The application provides at least one embodiment with the following advantages:
the terminal equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH); and transmitting the uplink shared channel on the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than the threshold value of the coding code rate. In this way, after determining the uplink transmission size, the terminal device determines whether the effective coding rate of the first resource relative to the determined uplink transmission size is not greater than the coding rate threshold, and if the determination result is yes, transmits the uplink shared channel on the first resource. However, once the determination result is negative, the terminal device may transmit the uplink shared channel by using other strategies, thereby effectively solving the problem of how to transmit the uplink information by the terminal device under the condition that the PUCCH and PUSCH channels are overlapped, and effectively improving the transmission performance and transmission efficiency of the new generation wireless communication system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of an uplink information transmission method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of an uplink information transmission method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an uplink information transmission device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an uplink information transmission device according to an embodiment of the present application.
Detailed Description
In practical application, the resource elements used for UL-SCH transmission in the PUSCH resource are the remaining resource elements except for at least one of the resource elements occupied by DMRS, PTS, SRS and UCI, however, at present, when determining the size of the uplink transport block, the terminal device only considers the resource elements occupied by the DMRS group where the DMRS transmitted by the terminal device is located and the resource elements occupied by the load configured by the higher layer signaling, the resource units occupied by other information are not considered, so that the determined uplink transport block size may be larger than the maximum bit number that the UL-SCH in the PUSCH can accommodate, the terminal device transmits the uplink shared information using the determined uplink transport block size relative to the resource, and the network device may not correctly demodulate, or cause transmission failure.
In order to make the purpose, technical solution and advantages of the present application clearer, the embodiments of the present application provide a method and device for transmitting uplink information, in which a terminal device determines a first transmission block size corresponding to a first resource unit set in a physical uplink shared channel PUSCH; and transmitting the uplink shared channel on the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than the threshold value of the coding code rate. In this way, after determining the uplink transmission size, the terminal device determines whether the effective coding rate of the first resource relative to the determined uplink transmission size is not greater than the coding rate threshold, and if the determination result is yes, transmits the uplink shared channel on the first resource. However, once the determination result is negative, the terminal device may transmit the uplink shared channel by using other strategies, thereby effectively solving the problem of how to transmit the uplink information by the terminal device under the condition that the PUCCH and PUSCH channels are overlapped, and effectively improving the transmission performance and transmission efficiency of the new generation wireless communication system.
It should be noted that "first" and "second" included in "first resource unit set" and "second resource unit set" described in the embodiments of the present application have no special meaning, and are used only for characterizing different resource unit sets. The "first" and "second" included in the "first resource" and the "second resource" described in the embodiments of the present application do not have a special meaning, and are used only for characterizing different resource units. In addition, there is no strict correspondence between the "first resource unit set" and the "first resource", and the "first resource" does not necessarily belong to the "first resource unit set", that is, the first resource may be a resource unit included in the first resource unit set, and the first resource may not be a resource unit included in the first resource unit set. There is no strict correspondence between the "second resource unit set" and the "second resource", and the "second resource" does not necessarily belong to the "second resource unit set", that is, the second resource may be a resource unit included in the second resource unit set, and the second resource may not be a resource unit included in the second resource unit set.
Various embodiments of the present application will be described in further detail with reference to the drawings attached hereto, and it should be understood that the described embodiments are only some embodiments of the present application, and not all embodiments. 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 application.
Fig. 1 is a flowchart illustrating an uplink information transmission method according to an embodiment of the present application. The method may be as follows.
Step 101: the terminal equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH).
In the embodiment of the application, the terminal device obtains indication information sent by the network device, determines an available PUSCH according to the indication information, and further determines a first transport block size corresponding to a first resource unit set in the PUSCH based on the available PUSCH.
The manner of determining the first transport block size in the embodiment of the present application includes, but is not limited to, the following manners:
first, the terminal device uses the "modulation and coding scheme" field (I) according to the available PUSCHMCS) Determining a modulation order (Q)m) And a target coding rate (R).
Note that, the preset IMCSAnd QmAnd R.
Secondly, the terminal equipment uses the layer number (v) and the total number (n) of allocated resource blocks PRB according to the available PUSCHPRB) To determine a first transport block size.
Specifically, in a first step, the number N 'of available REs within one PRB of the available PUSCH is determined'RE：
Wherein,is the number of subcarriers, N, of one PRB in the frequency domainsh symbThe number of symbols included in the PUSCH,The number of resource units occupied by the DMRS group in which the DMRS is located,Is the number of resource units corresponding to the load in one PRB configured by the high-level signaling.
Second, determine the number of available REs N 'within one PRB of the available PUSCH'REQuantized value ofWherein, N'REAndthe relationship between them satisfies a preset rule.
Thirdly, determining the number N of target REs in the available PUSCHREWhereinnPRBThe number of RBs included in the frequency domain for the PUSCH.
The fourth step, confirm the reference value N of information bit transmittedinfoWherein N isinfo＝NRE*R*Qm*υ。
Wherein v is the number of layers, QmFor a determined modulation order, R is a determined target coding rate.
The fifth step, confirm the reference value N of information bit transmittedinfoQuantized value N ofi'nfo。
Sixthly, determining the nearest to and not less than N'infoTransport block size TBS as first transport block sizeCun.
Step 102: an effective coding rate of the first transport block size relative to the first resource is calculated.
In the embodiment of the present application, it is assumed that the first transport block size is TBS1Then the first transport block size corresponds to an effective coding rate of
Wherein L isCRC_1Is the length of the cyclic check code, Q, corresponding to the first transport block sizemIs the modulation order used on the PUSCH, MREIs the number of resource elements included in the first resource in the PUSCH.
Due to the corresponding UL-SCH transmitted on the PUSCH, its coding rate cannot be greater than RmaxThat is, the maximum value of the information bit number of the UL-SCH which can be accommodated on the first resource of the PUSCH is MRE*Qm*Rmax。
It should be noted that, in this embodiment of the present application, the "effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold", and the "effective coding rate of the first transport block size relative to the first resource is not greater than the coding rate threshold", which is a condition for determining whether the first resource can carry the uplink shared channel transmitted according to the first transport block size. The conditions may also be described in other ways. For example, "the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold" may be replaced with "the first transport block size is greater than the threshold of the effective number of bits that the first resource can carry"; "the effective coding rate of the first transport block size relative to the first resource is not greater than the coding rate threshold" may be replaced by "the first transport block size is not greater than a threshold of an effective number of bits that the first resource can carry". The threshold value of the number of valid bits that the first resource can carry corresponds to MRE*Qm*Rmax. This condition isThe description of the above does not limit the scope of the present invention.
Step 103: judging whether the effective coding rate of the first transmission block size relative to the first resource is greater than a coding rate threshold value, if not, executing a step 104; otherwise, step 105 is performed.
In the embodiment of the application, channel coding is generally used in the wireless communication system to ensure the reliability of transmission. If the code rate of the used channel coding is too high, the receiver of the communication is difficult to decode correctly, and the original information sent by the sender cannot be obtained. Therefore, when designing a wireless communication system, a maximum value of the coding rate used in the communication process, that is, a coding rate threshold is generally set.
For example, if Turbo coding is used, the coding rate threshold is 0.932; if LDPC coding is used, the coding rate threshold is 8/9 or 948/1024, etc. Or, optionally, the coding rate threshold is 1. In the embodiment of the present application, the coding rate threshold is not specifically limited, and may be determined according to the actual needs of the communication system.
Step 104: and under the condition that the effective coding rate of the first transport block size relative to the first resource is not greater than the threshold value of the coding rate, the terminal equipment transmits the uplink shared channel on the first resource.
Step 105: the terminal device discards the PUSCH if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold.
In this embodiment of the present application, preferably, when the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold, the terminal device discards the PUSCH and sends a physical uplink control channel PUCCH, where the PUCCH and the PUSCH overlap in time.
Specifically, in the case where the PUCCH and PUSCH channels overlap, whether the terminal device transmits the PUSCH depends on whether the occupation of the PUSCH resources by the UCI affects the transmission of the UL-SCH.
If the resource occupied by the UCI is too large, so that the size of a transmission block corresponding to the UL-SCH is smaller than a transmission block threshold value, the terminal equipment is not suitable for transmitting the UCI on the PUSCH, but under the condition that the priority of the UCI is higher than that of the UL-SCH, the terminal equipment transmits the UCI on the PUCCH and discards the PUSCH.
The terminal equipment can only send one of the physical uplink shared channel and the physical uplink control channel under the condition that the terminal equipment is not allowed to send the physical uplink shared channel and the physical uplink control channel simultaneously. Then the way to consider both channels to carry the content is to carry UCI information, which should be sent in PUCCH channel, in PUSCH. However, if the carrying of the UCI causes the UL-SCH in the physical uplink shared channel not to be transmitted, the terminal device transmits the two channels with higher priority according to the priority order, and discards the two channels with lower priority. And if the priority of the UL-SCH is higher, the terminal equipment sends a PUSCH, does not carry UCI in the PUSCH, and discards the PUCCH. And if the priority of the UCI is higher, the terminal equipment sends a PUCCH, the PUCCH carries the UCI, and the PUSCH is discarded.
In this embodiment, another processing manner is further provided, that is, when the first transport block size is larger than the coding rate threshold relative to the effective coding rate of the first resource, the terminal device determines a second transport block size corresponding to a second resource unit set in the PUSCH, where the second resource unit set is smaller than the first resource unit set;
and the terminal equipment transmits the uplink shared channel on the first resource of the PUSCH according to the second transmission block size.
The first resource unit set is determined according to resource units contained in the PUSCH except for a resource unit occupied by a demodulation reference signal and a resource unit occupied by a load configured by a higher layer signaling;
the second resource unit set is determined according to resource units contained in the PUSCH and excluding resource units occupied by a demodulation reference signal, resource units occupied by a load configured by a high-level signaling, and resource units contained in a reference resource unit set, where the reference resource unit set includes at least one of resource units occupied by a phase tracking reference signal of the PUSCH, resource units occupied by a sounding reference signal, resource units occupied by uplink control information, and resource units occupied by demodulation reference signals corresponding to the PUSCH transmitted by other terminal devices except the terminal device.
Specifically, in the case that the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold, the terminal device does not use the first transport block size, but determines a second transport block size according to the size of a second resource unit set. Here, the second set of resource units is smaller than the first set of resource units. Assume that the second transport block size is TBS2Then the effective coding rate of the second transport block size corresponding to the first resource transmission of the physical uplink shared channel isWherein L isCRC_2Is the length of the cyclic check code corresponding to the second transport block size. If it is satisfied withThe terminal equipment sends the uplink shared channel on the first resource of the physical uplink shared channel according to the second transport block size.
In this embodiment, another processing manner is further provided, that is, when the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold, the terminal device transmits the uplink shared channel on the second resource of the PUSCH according to the first transport block size;
wherein the second resource is larger than the first resource.
It should be noted that the second resource includes a resource associated with the uplink control information in the physical uplink shared channel; the first resource does not include a resource associated with the uplink control information in the physical uplink shared channel.
Preferably, the method further comprises:
and the terminal equipment does not send the uplink control information in the PUSCH.
In particular, ifThe terminal device may use the first transport block size, but instead of transmitting the uplink shared channel on the first resource of the PUSCH, the uplink shared channel may be transmitted on the second resource of the PUSCH. Here, the second resource is larger than the first resource.
The number of resource units included in the second resource in the PUISCH is M'REWhen the first transmission block size is transmitted in the second resource of the PUSCH, the corresponding effective coding rate isIf it is satisfied withThe terminal device may send the uplink shared channel on the second resource of the PUSCH according to the first transport block size.
For example, the first resource differs from the second resource by: the first resource does not include a resource associated with the uplink control information on the physical uplink channel, and the second resource includes a resource associated with the uplink control information on the physical uplink channel.
Preferably, ifAnd the terminal equipment sends the uplink shared channel on the first resource of the PUSCH according to the first transport block size. At the same time, the terminalThe device also transmits uplink control information on a third resource of the PUSCH.
If it is notThe terminal equipment sends the uplink shared channel on the second resource of the physical uplink shared channel according to the first transport block size, and does not send the uplink control information. Here, the second resource includes the first resource.
That is, in the case where PUCCH and PUSCH channels overlap, whether or not the terminal device transmits UCI on PUSCH depends on whether or not the occupation of PUSCH resources by these UCI affects transmission of UL-SCH. If the resource occupied by the UCI is too large, the size of the transmission block corresponding to the UL-SCH is smaller than the threshold value of the transmission block. That is, the terminal device transmitting UCI on PUSCH affects transmission of UL-SCH. When the priority of the UL-SCH is higher than the UCI, the terminal device does not transmit the UCI on the PUSCH, and uses the resource corresponding to the UCI for transmitting the UL-SCH.
Accordingly, when the terminal device determines the transport block size on the UL-SCH, the available resources also include the resource units associated with the UCI. The resource unit associated with the UCI is not a resource unit actually used for transmission of the UCI. Instead, according to a preset rule, for resource units occupied by UCI when transmitting on PUSCH, if UCI is not transmitted on PUSCH, these resource units are still associated with UCI, but are not actually used for UCI transmission.
Preferably, in an embodiment of the present application, the method further includes:
and under the condition that the effective coding rate of the first transmission block size relative to the first resource is greater than a coding rate threshold value, the terminal equipment sends a channel with higher priority in the PUSCH and a Physical Uplink Control Channel (PUCCH), and discards a channel with lower priority in the PUSCH and the PUCCH, wherein the PUCCH and the PUSCH are overlapped in time.
According to the technical scheme provided by the embodiment of the application, the terminal equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH); and transmitting the uplink shared channel on the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than the threshold value of the coding code rate. In this way, after determining the uplink transmission size, the terminal device determines whether the effective coding rate of the first resource relative to the determined uplink transmission size is not greater than the coding rate threshold, and if the determination result is yes, transmits the uplink shared channel on the first resource. However, once the determination result is negative, the terminal device may transmit the uplink shared channel by using other strategies, thereby effectively solving the problem of how to transmit uplink information by the terminal device under the condition that the PUCCH and PUSCH channels are overlapped, and effectively improving the transmission performance and transmission efficiency of the new generation wireless communication system.
Fig. 2 is a flowchart illustrating an uplink information transmission method according to an embodiment of the present application. The method may be as follows.
Step 201: the terminal equipment determines the size of a transmission block corresponding to a target resource unit set in a Physical Uplink Shared Channel (PUSCH).
Optionally, in this embodiment of the application, the target resource unit set is determined according to resource units included in the PUSCH, except for a resource unit occupied by a demodulation reference signal, a resource unit occupied by a load configured by a higher layer signaling, and a resource unit included in a reference resource unit set.
The reference resource unit set includes at least one of a resource unit occupied by the phase tracking reference signal of the PUSCH, a resource unit occupied by the sounding reference signal, a resource unit occupied by the uplink control information, and a resource unit occupied by the demodulation reference signal corresponding to the PUSCH transmitted by other terminal devices except the terminal device.
Specifically, the uplink information transmitted on the PUSCH includes UL-SCH, DMRS, UCI.
First, the terminal device determines the number N 'of available REs within one PRB of the PUSCH'RE，
Wherein,the number of subcarriers of one PRB in the frequency domain; n is a radical ofsh symbIs the number of symbols included in the PUSCH;the number of resource units occupied by the DMRS group in which the DMRS is located;is the number of resource units corresponding to the load in one PRB configured by the high-level signaling.
Secondly, the terminal equipment determines the number N 'of available REs in one PRB of the PUSCH'REQuantized value of
Wherein, N'REAndthe relationship between them is preset.
Thirdly, the terminal equipment determines the number N of target REs in the PUSCH resourceRE。
Wherein,nPRBthe number of PRBs included in the frequency domain of the PUSCH is represented by the number of PRBs; n is a radical ofUCIThe number of resource units occupied by the uplink control information transmitted on the PUSCH is.
Fourthly, the terminal equipment determines the reference value N of the information bitinfoIs specifically Ninfo＝NRE*R*QmV, whereinAnd v is the number of layers. And determining a transmitted reference value N of information bitsinfoOf quantized value N'info。
Finally, according to NinfoAnd a preset TBS table, the terminal equipment can determine that the terminal equipment is closest to and not less than N'infoTransport block size TBS.
Note that the TBS table described in the embodiments of the present application includes a correspondence relationship between different TBSs and quantized values corresponding to information bit reference values.
Step 202: and the terminal equipment transmits the uplink shared channel on the PUSCH according to the size of the transmission block.
In this embodiment of the present application, the target resource element set includes resource elements used by the physical uplink shared channel for transmitting the uplink shared channel, but does not include resource elements used by the physical uplink shared channel for transmitting at least one of a PTS, a sounding reference signal SRS, uplink control information UCI, and a DMRS corresponding to a PUSCH transmitted by other terminal devices other than the terminal device. And the target resource unit set comprises resource units of the physical uplink shared channel for transmitting demodulation reference signals DMRS and resource units occupied by loads configured for the terminal equipment by a high-level signaling. Therefore, the transmission block on the UL-SCH determined by the terminal equipment is matched with the resource quantity of the UL-SCH, and the effective transmission of the uplink information can be ensured. The UL-SCH data transmitted on the PUSCH is not mapped to the PUSCH except resource elements such as DMRS, PTS, SRS, UCI and the like corresponding to the PUSCH transmitted by the terminal equipment. When determining the transport block size on the UL-SCH, the terminal equipment does not consider the resource unit occupied by one or more of the information, so that the determined transport block size and the resource matching degree of the UL-SCH are higher, and the effective transmission of the uplink information is ensured.
Preferably, when the uplink control information is transmitted in the physical uplink shared channel, the uplink control information and an uplink shared channel in the physical uplink shared channel multiplex resources in a rate matching manner.
Preferably, the uplink control information includes at least one of hybrid automatic repeat request acknowledgement information HARQ-ACK and channel state information CSI.
Preferably, the HARQ-ACK multiplexes resources in the physical uplink shared channel and the uplink shared channel in a rate matching manner.
Preferably, the hybrid automatic repeat request acknowledgement information HARQ-ACK is not less than 2 bits.
Preferably, in an embodiment of the present application, the method further includes:
under the condition that the ratio of the target resource unit set relative to the resource units included in the PUSCH is not less than a first threshold value, the terminal equipment determines the size of the transmission block according to a first modulation order and/or a first target coding rate;
under the condition that the ratio of the target resource unit set relative to the resource units included in the PUSCH is smaller than a first threshold, the terminal equipment determines the size of the transmission block according to a second modulation order and/or a second target coding rate;
wherein the first modulation order is greater than the second modulation order, and the first target coding rate is less than the second target coding rate.
In particular, if the terminal device uses the "modulation and coding scheme" field (I) according to the PUSCHMCS) Determining a modulation order (Q)m) And a target coding rate (R).
Wherein, IMCSAnd QmAnd R satisfy the preset corresponding relation.
The terminal equipment further uses the number of layers (v) used by the PUSCH and the total number (n) of allocated resource blocks PRBPRB) To determine the transport block size.
If the determined transport block size is TBSxThen the transmission block is paired in the first resource transmission of the physical uplink shared channelThe effective coding rate should beWherein L isCRC_xIs the length of the cyclic check code, Q, corresponding to the transport block sizemIs the modulation order, X, used on the PUSCHREIs the number of resource elements used in the PUSCH for transmission of the UL-SCH.
When the ratio of the target resource unit set to the resource units included in the PUSCH is less than a first threshold, the transport block size is TBSxIs greater than a coding rate threshold R with respect to the target set of resource unitsmaxResulting in the transmission of the transport block on the PUSCH. In this case, the terminal device may be according to IMCSDetermining modulation order Q'mDetermining a transport block size TBS ' according to the target coding rate R ' and the number of resource blocks included in the PUSCH 'x. At this time, the transport block size is TBS'xMay be not greater than a coding rate threshold R relative to the target set of resource unitsmaxAnd effective UL-SCH transmission on the PUSCH is ensured.
Optionally, Q'mGreater than QmAnd/or R' is less than R. Namely, Q'mIs equal to QmR' is less than R; or, Q'mLess than QmR' is less than R; or, Q'mGreater than QmR' is equal to R; or, Q'mGreater than QmR' is greater than R; or, Q'mGreater than QmAnd R' is less than R.
Optionally, Q'm*R’<QmR, terminal equipment according to modulation order Q'mTransport block size TBS 'determined by target coding rate R'xLess than according to modulation order QmTransport block size TBS determined by target coding rate Rx. Transport Block size is TBS'xMay be not greater than a coding rate threshold R relative to the target set of resource unitsmaxAnd effective UL-SCH transmission on the PUSCH is ensured.
Optionally, index I of modulation coding schemeMCSAnd modulation order, there are two preset relationships. I isMCSAnd QmCorresponds to or IMCSAnd Q'mAnd (7) corresponding.
If the terminal equipment uses the field of 'modulation and coding scheme' according to PUSCH (I)MCS) Determining a modulation order (Q)m) And transport block size index (I)TBS)。
Wherein, IMCSAnd Qm、ITBSSatisfy the preset corresponding relation.
The terminal equipment is further according to ITBSAnd total number of allocated resource blocks PRB (n)PRB) To determine the transport block size.
If the determined transport block size is TBSxThen the effective coding rate of the transport block in the first resource transmission of the physical uplink shared channel isWherein L isCRC_xIs the length of the cyclic check code, Q, corresponding to the transport block sizemIs the modulation order, X, used on the PUSCHREIs the number of resource elements used in the PUSCH for transmission of the UL-SCH.
When the ratio of the target resource unit set to the resource units included in the PUSCH is less than a first threshold, the transport block size is TBSxIs greater than a coding rate threshold R with respect to the target set of resource unitsmaxResulting in the transmission of the transport block on the PUSCH. In this case, the terminal device may be according to IMCSDetermining modulation order Q'm. At this time, the transport block size is TBSxHas an effective coding rate relative to the target resource unit set ofMay not be greater than the coding rate threshold RmaxAnd effective UL-SCH transmission on the PUSCH is ensured.
Under the condition that the ratio of the target resource unit set to the resource units included in the PUSCH is not less than a first threshold value, the terminal equipment according to the IMCSDetermining QmAnd determining a transport block size, and/or according to QmAnd transmitting the uplink shared channel in the target resource unit set.
Under the condition that the ratio of the target resource unit set to the resource units included in the PUSCH is smaller than a first threshold value, the terminal equipment according to the IMCSDetermining Q'mAnd determining transport block size, and/or by Q'mAnd transmitting the uplink shared channel in the target resource unit set.
Wherein Q ismAnd Q'mDifferent. Optionally, Q'mGreater than Qm。
Or, alternatively, index I of the modulation coding schemeMCSAnd the target coding rate, there are two types of preset relationships. I isMCSCorresponds to R or IMCSAnd R' correspond.
Under the condition that the ratio of the target resource unit set to the resource units included in the PUSCH is not less than a first threshold value, the terminal equipment according to the IMCSAnd determining R, and determining the size of the transmission block according to R.
Under the condition that the ratio of the target resource unit set to the resource units included in the PUSCH is smaller than a first threshold value, the terminal equipment according to the IMCSDetermining R 'and determining the size of the transmission block according to R'.
Wherein R and R' are different. Optionally, R' is less than R.
Or, alternatively, index I of the modulation coding schemeMCSAnd there are two preset relations between the modulation order and the target coding rate. I isMCSAnd QmR corresponds to, or IMCSAnd Q'mAnd R' correspond to each other.
Included with respect to PUSCH in target resource element setUnder the condition that the ratio of the resource units is not less than a first threshold value, the terminal equipment is according to IMCSDetermining QmAnd R, and according to QmAnd R determines the transport block size, and/or according to QmAnd transmitting the uplink shared channel in the target resource unit set.
Under the condition that the ratio of the target resource unit set to the resource units included in the PUSCH is smaller than a first threshold value, the terminal equipment according to the IMCSDetermining Q'mAnd R 'and according to Q'mAnd R 'determining the transport block size, and/or by Q'mAnd transmitting the uplink shared channel in the target resource unit set. Wherein Q ismAnd Q'mDifferent, and/or R and R' are different. Optionally, Q'mGreater than QmAnd/or R' is less than R.
Based on the same inventive concept, the embodiment of the present application provides an uplink information transmission method, which may be as follows:
and the network equipment receives the uplink shared channel transmitted by the terminal equipment on the first resource.
The uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
In another embodiment of the present application, the method further comprises:
the network equipment receives a Physical Uplink Control Channel (PUCCH) sent by the terminal equipment, wherein the PUCCH and the PUSCH are overlapped in time;
and the PUCCH is sent by the terminal equipment when the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold, and the PUSCH is discarded.
It should be noted that, the network device described in this embodiment of the present application may also receive the uplink shared channel sent by the terminal device under different conditions according to the foregoing manner, which is not described herein again.
Fig. 3 is a schematic structural diagram of an uplink information transmission device according to an embodiment of the present application. The uplink information transmission apparatus includes: a determining unit 301 and a transmitting unit 302, wherein:
a determining unit 301, configured to determine a first transport block size corresponding to a first resource unit set in a physical uplink shared channel PUSCH;
a sending unit 302, configured to transmit an uplink shared channel on a first resource when an effective coding rate of the first transport block size relative to the first resource is not greater than a coding rate threshold.
In another embodiment of the present application, the uplink information transmission apparatus further includes a processing unit 303, where:
the processing unit 303 is configured to discard the PUSCH if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold.
In another embodiment of the present application, the processing unit 303 is configured to transmit a physical uplink control channel, PUCCH, where the PUCCH and the PUSCH overlap in time.
In another embodiment of the present application, the determining unit 301 is further configured to determine, in a case that the first transport block size is larger than the coding rate threshold relative to the effective coding rate of the first resource, a second transport block size corresponding to a second resource unit set in the PUSCH, where the second resource unit set is smaller than the first resource unit set;
the sending unit 302 is further configured to transmit the uplink shared channel on the first resource of the PUSCH according to the second transport block size.
In another embodiment of the present application, the first set of resource elements is determined according to resource elements contained in the PUSCH, except for resource elements occupied by a demodulation reference signal and resource elements occupied by a load configured by higher layer signaling;
the second resource unit set is determined according to resource units contained in the PUSCH and excluding resource units occupied by a demodulation reference signal, resource units occupied by a load configured by a high-level signaling, and resource units contained in a reference resource unit set, where the reference resource unit set includes at least one of resource units occupied by a phase tracking reference signal of the PUSCH, resource units occupied by a sounding reference signal, resource units occupied by uplink control information, and resource units occupied by demodulation reference signals corresponding to the PUSCH transmitted by other terminal devices except the terminal device.
In another embodiment of the present application, the sending unit 302 is further configured to transmit the uplink shared channel on the second resource of the PUSCH according to the first transport block size if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold;
wherein the second resource is larger than the first resource.
In another embodiment of the present application, the second resource includes a resource associated with uplink control information in the physical uplink shared channel; the first resource does not include a resource associated with the uplink control information in the physical uplink shared channel.
In another embodiment of the present application, the sending unit 302 is further configured to not send the uplink control information in the PUSCH.
In another embodiment of the present application, the sending unit 302 is further configured to send a higher priority channel of the PUSCH and the PUCCH, and discard a lower priority channel of the PUSCH and the PUCCH, where the PUCCH and the PUSCH overlap in time, if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold.
It should be noted that the uplink information transmission device provided in the embodiment of the present application may be implemented by software, or may be implemented by hardware, and is not limited specifically here. The uplink information transmission equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH); and transmitting the uplink shared channel on the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than the threshold value of the coding code rate. In this way, after the uplink transmission size is determined, whether the effective coding rate of the first resource relative to the determined uplink transmission size is not greater than the coding rate threshold is judged, and if the judgment result is yes, the uplink shared channel is transmitted on the first resource. However, once the determination result is negative, other strategies can be adopted to transmit the uplink shared channel, so that the problem of how to transmit uplink information by the terminal device under the condition that the PUCCH and PUSCH channels are overlapped is effectively solved, and the transmission performance and the transmission efficiency of a new generation wireless communication system are effectively improved.
Based on the same inventive concept, an embodiment of the present application further provides an uplink information transmission device, including: at least one processor and a memory, the memory storing a program and configured to perform, by the at least one processor, the steps of:
determining a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH);
and transmitting the uplink shared channel on the first resource under the condition that the effective coding rate of the first transport block size relative to the first resource is not greater than the threshold value of the coding rate.
It should be noted that the processor described in the embodiment of the present application may be executed in the manner described above, and details are not described here.
Fig. 4 is a schematic structural diagram of an uplink information transmission device according to an embodiment of the present application. The uplink information transmission apparatus includes: a determining unit 401 and a transmitting unit 402, wherein:
a determining unit 401, configured to determine a transport block size corresponding to a target resource unit set in a physical uplink shared channel PUSCH;
a sending unit 402, configured to transmit an uplink shared channel on the PUSCH according to the transport block size.
In another embodiment of the present application, the target resource element set is determined according to resource elements included in the PUSCH, except for a resource element occupied by a demodulation reference signal, a resource element occupied by a load configured by a higher layer signaling, and a resource element included in a reference resource element set, where the reference resource element set includes at least one of a resource element occupied by a phase tracking reference signal of the PUSCH, a resource element occupied by a sounding reference signal, a resource element occupied by uplink control information, and a resource element occupied by a demodulation reference signal corresponding to a PUSCH transmitted by another terminal device except the terminal device.
In another embodiment of the present application, the uplink information transmission apparatus further includes a processing unit 403, where:
the processing unit 403, configured to, when a ratio of the target resource unit set to the resource units included in the PUSCH is not less than a first threshold, the terminal device determines the transport block size according to a first modulation order and/or a first target coding rate;
under the condition that the ratio of the target resource unit set relative to the resource units included in the PUSCH is smaller than a first threshold, the terminal equipment determines the size of the transmission block according to a second modulation order and/or a second target coding rate;
wherein the first modulation order is greater than the second modulation order, and the first target coding rate is less than the second target coding rate.
It should be noted that the uplink information transmission device provided in the embodiment of the present application may be implemented by software, or may be implemented by hardware, and is not limited specifically here.
Based on the same inventive concept, an embodiment of the present application further provides an uplink information transmission device, including: at least one processor and a memory, the memory storing a program and configured to perform, by the at least one processor, the steps of:
determining the size of a transmission block corresponding to a target resource unit set in a Physical Uplink Shared Channel (PUSCH);
and transmitting the uplink shared channel on the PUSCH according to the size of the transmission block.
It should be noted that the processor described in the embodiment of the present application may be executed in the manner described above, and details are not described here.
Based on the same inventive concept, an embodiment of the present application provides an uplink information transmission device, where the uplink information transmission device includes a receiving unit, where:
the receiving unit is configured to receive an uplink shared channel transmitted by the terminal device on the first resource.
The uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
In another embodiment of the present application, the receiving unit is further configured to receive a physical uplink control channel PUCCH sent by the terminal device, where the PUCCH and the PUSCH overlap in time;
and the PUCCH is sent by the terminal equipment when the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold, and the PUSCH is discarded.
It should be noted that the uplink information transmission device described in this embodiment may also receive the uplink shared channel sent by the terminal device under different conditions according to the foregoing manner, and details are not repeated here.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus (device), or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (16)

1. An uplink information transmission method, comprising:
the method comprises the steps that terminal equipment determines the size of a first transmission block corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH);
and under the condition that the effective coding rate of the first transport block size relative to the first resource is not greater than the threshold value of the coding rate, the terminal equipment transmits the uplink shared channel on the first resource.
2. The uplink information transmission method according to claim 1, wherein the method further comprises:
the terminal device discards the PUSCH if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold.
3. The uplink information transmission method according to claim 2, wherein the method further comprises:
and the terminal equipment sends a Physical Uplink Control Channel (PUCCH), and the PUCCH and the PUSCH are overlapped in time.
4. The uplink information transmission method according to claim 1, wherein the method further comprises:
the terminal device determines a second transport block size corresponding to a second set of resource units in the PUSCH, the second set of resource units being smaller than the first set of resource units, if the effective coding rate of the first transport block size relative to the first resource is greater than the coding rate threshold;
and the terminal equipment transmits the uplink shared channel on the first resource of the PUSCH according to the second transmission block size.
5. The uplink information transmission method according to claim 4,
the first resource unit set is determined according to resource units contained in the PUSCH except for a resource unit occupied by a demodulation reference signal and a resource unit occupied by a load configured by a high-level signaling;
the second resource unit set is determined according to resource units contained in the PUSCH and excluding resource units occupied by a demodulation reference signal, resource units occupied by a load configured by a high-level signaling, and resource units contained in a reference resource unit set, where the reference resource unit set includes at least one of resource units occupied by a phase tracking reference signal of the PUSCH, resource units occupied by a sounding reference signal, resource units occupied by uplink control information, and resource units occupied by demodulation reference signals corresponding to the PUSCH transmitted by other terminal devices except the terminal device.
6. The uplink information transmission method according to claim 1, wherein the method further comprises:
under the condition that the effective coding rate of the first transmission block size relative to the first resource is greater than the coding rate threshold, the terminal equipment transmits the uplink shared channel on the second resource of the PUSCH according to the first transmission block size;
wherein the second resource is larger than the first resource.
7. The uplink information transmission method according to claim 6,
the second resource comprises a resource related to uplink control information in the physical uplink shared channel; the first resource does not include a resource associated with the uplink control information in the physical uplink shared channel.
8. The uplink information transmission method according to claim 7, wherein the method further comprises:
and the terminal equipment does not send the uplink control information in the PUSCH.
9. The uplink information transmission method according to claim 1, wherein the method further comprises:
and under the condition that the effective coding rate of the first transmission block size relative to the first resource is greater than a coding rate threshold value, the terminal equipment sends a channel with higher priority in the PUSCH and a Physical Uplink Control Channel (PUCCH), and discards a channel with lower priority in the PUSCH and the PUCCH, wherein the PUCCH and the PUSCH are overlapped in time.
10. An uplink information transmission method, comprising:
the terminal equipment determines the size of a transmission block corresponding to a target resource unit set in a Physical Uplink Shared Channel (PUSCH);
and the terminal equipment transmits the uplink shared channel on the PUSCH according to the size of the transmission block.
11. The uplink information transmission method according to claim 10,
the target resource unit set is determined according to resource units contained in the PUSCH, except for a resource unit occupied by a demodulation reference signal, a resource unit occupied by a load configured by a high-level signaling, and a resource unit contained in a reference resource unit set, where the reference resource unit set contains at least one of a resource unit occupied by a phase tracking reference signal of the PUSCH, a resource unit occupied by a sounding reference signal, a resource unit occupied by uplink control information, and a resource unit occupied by a demodulation reference signal corresponding to a PUSCH transmitted by other terminal devices except the terminal device.
12. The uplink information transmission method according to claim 10, wherein the method further comprises:
under the condition that the ratio of the target resource unit set relative to the resource units included in the PUSCH is not less than a first threshold value, the terminal equipment determines the size of the transmission block according to a first modulation order and/or a first target coding rate;
under the condition that the ratio of the target resource unit set relative to the resource units included in the PUSCH is smaller than a first threshold, the terminal equipment determines the size of the transmission block according to a second modulation order and/or a second target coding rate;
wherein the second modulation order is equal to the first modulation order, and the second target coding rate is less than the first target coding rate;
or, the second modulation order is greater than the first modulation order, and the second target coding rate is equal to the first target coding rate;
or, the second modulation order is greater than the first modulation order, and the second target coding rate is less than the first target coding rate.
13. An uplink information transmission method, comprising:
the network equipment receives an uplink shared channel transmitted by the terminal equipment on a first resource;
the uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
14. An uplink information transmission apparatus, comprising:
a determining unit, configured to determine a first transport block size corresponding to a first resource unit set in a physical uplink shared channel PUSCH;
and a sending unit, configured to transmit the uplink shared channel on the first resource when the first transport block size is not greater than the coding rate threshold relative to the effective coding rate of the first resource.
15. An uplink information transmission apparatus, comprising:
a determining unit, configured to determine a transport block size corresponding to a target resource unit set in a physical uplink shared channel PUSCH;
and a sending unit, configured to transmit an uplink shared channel on the PUSCH according to the transport block size.
16. An uplink information transmission apparatus, comprising:
a receiving unit, configured to receive an uplink shared channel transmitted by a terminal device on a first resource;
the uplink shared channel determines a first transmission block size corresponding to a first resource unit set in a Physical Uplink Shared Channel (PUSCH) for the terminal equipment, and transmits the first transmission block size in the first resource under the condition that the effective coding rate of the first transmission block size relative to the first resource is not greater than a coding rate threshold.
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