CN111835479A - Information transmission and receiving method, terminal and network side equipment - Google Patents

Information transmission and receiving method, terminal and network side equipment Download PDF

Info

Publication number
CN111835479A
CN111835479A CN201910590725.3A CN201910590725A CN111835479A CN 111835479 A CN111835479 A CN 111835479A CN 201910590725 A CN201910590725 A CN 201910590725A CN 111835479 A CN111835479 A CN 111835479A
Authority
CN
China
Prior art keywords
pusch
mapped
mapping
dmrs
symbol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910590725.3A
Other languages
Chinese (zh)
Other versions
CN111835479B (en
Inventor
李娜
鲁智
沈晓冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN201910590725.3A priority Critical patent/CN111835479B/en
Priority to PCT/CN2020/097974 priority patent/WO2021000774A1/en
Publication of CN111835479A publication Critical patent/CN111835479A/en
Application granted granted Critical
Publication of CN111835479B publication Critical patent/CN111835479B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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

Landscapes

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

Abstract

The invention provides an information transmission and receiving method, a terminal and network side equipment, and relates to the technical field of communication. The information transmission method is applied to the terminal and comprises the following steps: and sending a scheduling request SR through a physical uplink shared channel PUSCH. According to the scheme, the SR is sent through the PUSCH, so that the terminal can timely transmit the SR when the SR transmission requirement exists, and the SR transmission delay is reduced.

Description

Information transmission and receiving method, terminal and network side equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information transmission method, an information reception method, a terminal, and a network device.
Background
When a User Equipment (UE, also called a terminal) supports only one service type, the UE sends a Scheduling Request (SR) to Request a base station to allocate Uplink transmission resources to the UE only when there is no Uplink Shared Channel (UL-SCH) resource, and when the UE has the UL-SCH resource, the UE may send a Buffer Status Report (BSR) through a Physical Uplink Shared Channel (PUSCH) to Request resources for new data arrival. There is no SR and PUSCH with UL-SCH collision (transmission time overlap). In a New Radio (NR) system, the PUSCH may have different Orthogonal Frequency Division Multiplexing (OFDM) symbol lengths (2-14 OFDM symbols), the Physical Uplink Control CHannel (PUCCH) for transmitting the SR may be a short PUCCH (1/2 OFDM symbol length) or a long PUCCH (4-14 OFDM symbol length), and the period of the SR may be as small as 2 symbols and as large as 1 to multiple slots.
When the UE supports different service types simultaneously, and the delay and reliability requirements corresponding to different services are different (e.g., mobile broadband enhanced (eMBB) and ultra-high-reliability ultra-low delay communications (URLLC)), the UE may have UL-SCH resources of one service (e.g., eMBB) and another service data arrives (e.g., URLLC), and due to the requirement of low delay, transmission of BSR on PUSCH may increase delay, or due to longer processing time of BSR (several tens to several hundreds of bits of BSR, maximum 4 bits of SR) may not reach transmission on PUSCH, so it may be considered to transmit SR to request uplink transmission resources of another service. However, if the PUSCH is completely dropped and only the SR is transmitted, it may cause a decrease in uplink throughput. In addition, when the Medium Access Control (MAC) layer notifies the physical layer that the SR is to be sent, the PUSCH may already start transmission, and therefore how to implement transmission of the SR becomes an urgent issue to be solved.
Disclosure of Invention
Embodiments of the present invention provide an information transmission and reception method, a terminal, and a network side device, so as to solve the problem of how to perform data transmission to ensure communication reliability when there are PUSCH and SR transmission requirements at the same time.
In a first aspect, an embodiment of the present invention provides an information transmission method, applied to a terminal, including:
and sending a scheduling request SR through a physical uplink shared channel PUSCH.
In a second aspect, an embodiment of the present invention provides an information receiving method, applied to a network side device, including:
and receiving a scheduling request SR through a physical uplink shared channel PUSCH.
In a third aspect, an embodiment of the present invention provides a terminal, including:
and the sending module is used for sending the scheduling request SR through a physical uplink shared channel PUSCH.
In a fourth aspect, an embodiment of the present invention provides a terminal, where the terminal includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the information transmission method described above.
In a fifth aspect, an embodiment of the present invention provides a network side device, including:
and the receiving module is used for receiving the scheduling request SR through a physical uplink shared channel PUSCH.
In a sixth aspect, an embodiment of the present invention provides a network-side device, where the network-side device includes: a memory, a processor and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the above-mentioned information receiving method.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores thereon a computer program, and the computer program, when executed by a processor, implements the steps of the above-mentioned information transmission method or the steps of the above-mentioned information reception method.
The invention has the beneficial effects that:
according to the scheme, the SR is sent through the PUSCH, so that the terminal can timely transmit the SR when the SR transmission requirement exists, and the SR transmission delay is reduced.
Drawings
Fig. 1 is a schematic flow chart of an information transmission method according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a specific distribution of REs occupied by an SR;
FIG. 3 is a second schematic diagram illustrating the distribution of REs occupied by SR;
FIG. 4 is a third schematic diagram illustrating the distribution of REs occupied by SR;
FIG. 5 shows a fourth exemplary distribution of REs occupied by SR;
fig. 6 shows one of the time domain position diagrams of the start of PUSCH transmission SR;
fig. 7 shows a second time domain position diagram of the start of PUSCH transmission SR;
FIG. 8 shows a fifth exemplary distribution of REs occupied by SR;
FIG. 9 shows a sixth exemplary distribution of REs occupied by SR;
fig. 10 shows a schematic PRB distribution for SR transmission on PUSCH;
fig. 11 is a flowchart illustrating an information receiving method according to an embodiment of the present invention;
fig. 12 is a block diagram of a terminal according to an embodiment of the present invention;
fig. 13 is a block diagram showing the configuration of a terminal according to an embodiment of the present invention;
fig. 14 is a block diagram of a network device according to an embodiment of the present invention;
fig. 15 is a block diagram showing a configuration of a network device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
In describing the embodiments of the present invention, a description will first be given of a conventional technique related to the embodiments of the present invention as follows.
Future fifth Generation (5 Generation, 5G) mobile communication systems need to accommodate more diverse scenarios and service demands than previous mobile communication systems. Main scenes of a New Radio (NR) include mobile broadband enhancement (eMBB), large-scale internet of things (mtc), and ultra-high-reliability ultra-low-latency communication (URLLC), and these scenes impose requirements on a system such as high reliability, low latency, large bandwidth, and wide coverage.
1. Uplink Scheduling Request (Scheduling Request, SR)
If User Equipment (UE, also called terminal) does not have uplink data to transmit, the base station does not need to allocate uplink resources to the UE, otherwise, the resources are wasted. Therefore, the UE needs to tell the base station whether there is uplink data to transmit, so that the base station can decide whether to allocate uplink resources to the UE.
The UE tells the base station whether uplink resources are needed for uplink shared channel (UL-SCH) transmission through the SR, but does not tell the base station how much uplink data needs to be sent (this is reported through a Buffer Status Report (BSR)). After receiving the SR, the base station allocates how many uplink resources to the UE depends on the implementation of the base station, and it is a common practice to allocate at least enough resources for the UE to send a BSR. The UE needs to tell the base station through the BSR how much data in its uplink buffer needs to be sent, so that the base station can determine how much uplink resources to allocate to the UE.
The base station does not know when the UE needs to transmit uplink data, i.e., when the UE will transmit the SR. Therefore, the base station needs to detect whether there is an SR report on the allocated SR resources. The SR is transmitted on a Physical Uplink Control CHannel (PUCCH) resource, and the PUCCH resource transmitting the SR is transmitted through an Information Element (IE): configured in an uplink scheduling request resource identifier (schedulingRequestResourceId) field of an uplink scheduling request resource configuration (schedulingRequestResourceConfig). The resource of the SR is configured periodically, and different periods represent different time delay requirements. One UE may configure multiple SRs and through IE: the uplink scheduling request resource id (scheduling request id) identifies that different SRs correspond to different logical channels (priority of data).
2. Physical Uplink Shared Channel (PUSCH)
The PUSCH may be used to carry the UL-SCH and Uplink Control Information (UCI). When the method is used for bearing the UL-SCH, namely the PUSCH with the UL-SCH, the UE sends uplink data through the PUSCH, at this time, the UE already has uplink resources to send the data, so the UE does not need to send the SR, at this time, if the PUSCH collides with the PUCCH, the PUCCH is the PUCCH bearing Hybrid Automatic Repeat Request (HARQ-ACK)/Channel State Information (CSI), and the UE multiplexes the data, the HARQ-ACK and the CSI on the PUSCH for transmission. The PUSCH may also be used only for carrying aperiodic CSI (a-CSI)/semi-persistent CSI (SP-CSI), that is, PUSCH without UL-SCH, that is, when the base station allocates a PUSCH resource, the resource is indicated to be used only for transmitting CSI information, and is not used for transmitting UL-SCH, since the PUSCH at this time is not used for transmission of traffic data, when the PUSCH without UL-SCH collides with SR, the UE will discard the PUSCH and transmit SR on the PUCCH resource corresponding to SR.
The invention provides an information transmission and receiving method, a terminal and network side equipment, aiming at the problem of how to transmit data to ensure the reliability of communication when the PUSCH and SR transmission requirements exist at the same time.
As shown in fig. 1, an embodiment of the present invention provides an information transmission method, which is applied to a terminal, and includes:
step 101, a scheduling request SR is sent through a physical uplink shared channel PUSCH.
Note that, the method of transmitting the SR via the PUSCH is: the SR is transmitted in a punching mode on the PUSCH, and the SR is transmitted in the punching mode, so that the reliable transmission of the SR is ensured, and the influence on the PUSCH transmission can be reduced.
In general, when the SR with the first priority collides with the PUSCH time domain resource with the second priority (that is, there are both PUSCH with the second priority and SR transmission requirements with the first priority), the SR with the first priority is transmitted on the PUSCH in a puncturing manner, specifically, the first priority is higher than the second priority, that is, when the SR with the high priority collides with the PUSCH time domain resource with the low priority, the SR is transmitted on the PUSCH in a puncturing manner.
The following describes a specific implementation process of the embodiment of the present invention from different puncturing manners.
Method one, puncturing in Resource Element (RE) units
In this case, the specific implementation manner of step 101 is:
determining the number of coded modulation symbols mapped by each layer of the SR in the PUSCH and the RE position mapped by the coded modulation symbols of each layer;
and sending the SR through the PUSCH according to the number of the coded modulation symbols mapped by each layer and the RE position mapped by the coded modulation symbols mapped by each layer.
It should be noted that one coded modulation symbol is mapped on one RE, that is, the number of coded modulation symbols mapped by the SR in each layer in the PUSCH refers to the number of REs occupied by the SR in the PUSCH.
Further, the determination method of the number of coded modulation symbols mapped by each layer specifically includes: and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
It should be noted that the offset is determined by one of the following methods:
a11, configured by Radio Resource Control (RRC);
a12, indicated by Downlink Control Information (DCI);
a13, the offset is the same as the offset when a hybrid automatic repeat request acknowledgement (HARQ-ACK) is transmitted on a PUSCH;
in this case, the offset used for determining the number of coded modulation symbols mapped by each layer according to the protocol convention is the same as the offset when the HARQ-ACK is transmitted on the PUSCH, and further, the offset when the HARQ-ACK is transmitted on the PUSCH may be configured by RRC or indicated by DCI; it should be further noted that the HARQ-ACK mentioned in this case refers to a high priority HARQ-ACK.
For example, when Mbit SR (M ═ log2(k +1), where k denotes the number of SRs overlapping the PUSCH time domain resource, and in particular, k denotes k different SR configurations, if one SR configuration has multiple candidate positions overlapping the PUSCH time domain resource, and k is equal to 1), when transmitting on PUSCH, the number of REs occupied by SR, that is, the number of coded modulation symbols (Q ″) mapped per layer by SR in PUSCH is determined according to the number of bits of SR, the offset (betaoffset), and the RE resources available for PUSCH other than DMRS (that is, the number of REs available on PUSCH for transmitting SR), and the number of REs occupied by SR'SR). Wherein, the betaoffset is used to control the number of REs occupied by SR in puncturing on PUSCH, and the parameter may be RRC configuration or DCIThe indication may be a separate configuration or indication, or may be the same as the corresponding beta offset when the HARQ-ACK is transmitted on the PUSCH, wherein if the HARQ-ACK is of different types or priorities, the SR uses the beta offset corresponding to the HARQ-ACK of the higher priority or the beta offset with the largest value.
For example, the following formula can be used to determine the number of coded modulation symbols mapped by SR per layer in PUSCH with UL-SCH:
Figure BDA0002115950950000061
wherein, Q'SRThe number of coded modulation symbols mapped for each layer of SR in PUSCH; o isSRA number of bits that is SR; l isSRWhen the number of bits of the SR is less than or equal to 11 bits, L is the number of Cyclic Redundancy Check (CRC) bits corresponding to the SRSR＝0；
Figure BDA0002115950950000062
Indicated by RRC configuration or DCI; cUL-SCHNumber of code blocks (codes) of UL-SCH which is PUSCH transmission; k if DCI for scheduling PUSCH contains CBGTI indication field and indicates that r-th code block is not transmittedrNot equal to 0, otherwise, KrThe r-th code block size of UL-SCH on PUSCH is represented;
Figure BDA0002115950950000063
is the number of REs available for UCI transmission on OFDM symbol l in PUSCH transmission,
Figure BDA0002115950950000064
Figure BDA0002115950950000065
representing the total number of OFDM symbols contained in the CG-PUSCH transmission, including the symbols used for the DMRS; for OFDM symbols containing DMRS, if SR cannot be mapped on DMRS OFDM symbol, then
Figure BDA0002115950950000066
If SR can be mapped on DMRS OFDM symbol
Figure BDA0002115950950000067
For OFDM symbols that do not contain a DMRS,
Figure BDA0002115950950000068
l0indicating an OFDM symbol index where CG-UCI starts mapping, namely an index of a first symbol without DMRS after the first DMRS;
Figure BDA0002115950950000071
represents the bandwidth of the PUSCH transmission, counted in subcarriers (subcarriers);
Figure BDA0002115950950000072
the subcarrier used for the phase tracking pilot signal (PTRS) in the OFDM symbol l in PUSCH transmission.
Further, the determining manner of the RE position mapped by the coded modulation symbol of each layer is specifically as follows:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
specifically, the mapping rule includes one of the following items:
b11, mapping the SR starting from the first position of the PUSCH;
specifically, the first position corresponds to a starting symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
it should be further noted that, this case is specifically implemented by one of the following:
b111, when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH, the SR is mapped on a first RE in the DMRS OFDM symbol, and the first RE is other REs except the RE occupied by the DMRS;
that is, in this case, the SR may be mapped on the DMRS OFDM symbol, but when the SR is mapped in the DMRS OFDM symbol, the SR cannot be mapped on the REs occupied by the DMRS, and only the REs not occupied by the DMRS can be selected for mapping.
B112, the SR is mapped to other OFDM symbols except the DMRS OFDM symbol;
note that in this case, the SR cannot be mapped onto the DMRS OFDM symbol.
B12, mapping the SR from the first available non-DMRS OFDM symbol after the first DMRS OFDM symbol of the PUSCH;
it should be further noted that, this case is specifically implemented by one of the following:
b121, the SR can be mapped on the RE occupied by the HARQ-ACK;
that is, in this case, when the SR performs mapping, it does not need to consider whether HARQ-ACK is already mapped on the PUSCH, and even if the HARQ-ACK is already mapped, the SR may occupy REs used by the HARQ-ACK.
B122, the SR cannot be mapped on the RE occupied by the HARQ-ACK;
that is, in this case, when the SR performs mapping, the mapping of HARQ-ACK needs to be considered, and if there is HARQ-ACK transmission on PUSCH, the SR may not occupy the REs used by HARQ-ACK.
For example, assuming that an M-bit SR is transmitted on a PUSCH, 15 modulation coding symbols, that is, 15 REs, are mapped to each layer, and when the SR cannot puncture PUSCH DMRS symbols and HARQ-ACK is not transmitted on the PUSCH, a specific distribution manner of REs occupied by the SR is as shown in fig. 2; when the SR cannot punch the PUSCH DMRS symbol and there is HARQ-ACK on the PUSCH, the HARQ-ACK starts mapping from the first available non-DMRS OFDM symbol after the first DMRS symbol and needs to occupy 16 REs, the SR cannot punch the REs where the HARQ-ACK is located, and the specific distribution manner of the REs occupied by the SR is shown in fig. 3; when the SR can puncture the PUSCH DMRS symbol and there is HARQ-ACK on the PUSCH, the HARQ-ACK starts mapping from the first available non-DMRS OFDM symbol after the first DMRS symbol and needs to occupy 16 REs, the SR can puncture the REs occupied by the HARQ-ACK, and the specific distribution manner of the REs occupied by the SR is shown in fig. 4; when the SR can puncture the PUSCH DMRS symbol and there is HARQ-ACK on the PUSCH, the HARQ-ACK starts mapping from the first available non-DMRS OFDM symbol after the first DMRS symbol and needs to occupy 16 REs, the SR may not puncture the REs where the HARQ-ACK is located, and the specific distribution manner of the REs occupied by the SR is shown in fig. 5.
Specifically, in fig. 2 to fig. 5, the diagonal boxes are REs occupied by DMRS, the grid boxes are REs occupied by SRs, the vertical boxes are REs occupied by HARQ-ACK, the blank boxes are REs occupied by UL-SCH, and the grid bold black boxes are REs occupied by HARQ-ACK.
It should be noted that, in the present invention, if Channel State Information (CSI) is mapped on the PUSCH, the SR may be mapped on an RE where the CSI is located.
It should be further noted that the mapping rule further includes one of the following items:
b21, if the number of REs available for SR transmission on the PUSCH is greater than the number of SR to-be-mapped coded modulation symbols on the first OFDM symbol, mapping the SR to-be-mapped coded modulation symbols on the PUSCH first OFDM symbol in a distributed mapping manner;
it should be noted that the first OFDM symbol refers to any one OFDM symbol.
B22, if the number of the mappable SR coding bits of the PUSCH is greater than the number of the SR to-be-mapped coding bits on the second OFDM symbol, mapping the SR to-be-mapped coding bits on the second OFDM symbol of the PUSCH in a distributed mapping manner;
note that the second OFDM symbol refers to any one OFDM symbol.
It should be noted that, the number of SR to-be-mapped coded bits in the implementation of B22 may be calculated from the number of SR to-be-mapped coded modulation symbols, specifically, the number of SR to-be-mapped coded bits is equal to the number of SR to-be-mapped coded modulation symbols × modulation order (Q)m) X PUSCH number of transmission layers (N)L) (ii) a It should be noted that B11 and B12 are two different implementation expressions, and are intended to be the same.
For example, if the number of usable REs of the PUSCH on a certain OFDM symbol is greater than the remaining number of REs that need to be punctured in the SR, the SR punctures PUSCH REs in a distributed manner. Specifically, if the SR has M remaining coded modulation symbols to be mapped, and N REs are available on the PUSCH fdm symbol l for SR transmission, the coded modulation symbol of the SR is mapped every d REs on the REs available for SR transmission, where d is floor (N/M), for example, the non-DMRS OFDM symbol that is first available after the DMRS in fig. 2, the RE bit 12 that is available for SR transmission, and 15 REs are needed for SR, and when d is 1, that is, each RE maps the coded modulation symbol of the SR, and on the following symbol, the SR still has 3 coded modulation symbols remaining, and when 12 REs are available on the PUSCH, d is 4, for example, in fig. 4, on the first symbol of the SR mapping, that is, the DMRS symbol, and when 6 non-DMRS REs are available on the symbol, that is 6 REs, that is SR can be mapped, and when 15 coded modulation symbols need to be mapped, therefore, d is 1, there are still 9 coded modulation symbols left in the SR in the first OFDM symbol after the DMRS OFDM symbol, and since the SR can puncture the REs occupied by HARQ-ACK, at this time, 12 REs in the symbol on the PUSCH can be used for transmitting the SR, then d is 1.
Mode two, puncturing along with SR transmission format
In this case, the specific implementation manner of step 101 is:
according to the transmission format of the SR on the PUCCH, mapping the SR on the PUSCH; and transmitting the PUSCH mapped with the SR.
In this case, the SR is transmitted in a format for transmission on the PUCCH in a certain Physical Resource Block (PRB) allocated to the PUSCH, that is, in what format the SR is transmitted on the PUCCH, and the SR is also transmitted in the PUSCH in a punctured manner in the same format.
It should be further noted that, since the SR corresponds to multiple candidate resource locations, but each candidate resource location does not necessarily perform SR transmission, the terminal sends the SR to the network side device at the candidate resource location only when there is a data transmission requirement, and further, the implementation manner of step 101 is:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is sent through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
That is, when one PUSCH overlaps with a plurality of candidate transmission positions configured for one SR, the terminal transmits the SR once through the PUSCH only when the corresponding candidate position is an actual SR (positive SR).
For example, as shown in fig. 6 and 7, the SR period is 2 symbols, and the time domain symbol length of the PUCCH corresponding to the SR is 2; the symbol length of PUSCH is 8, and PUSCH overlaps with 4 candidate transmission positions of SR. When the SR is negative at all candidate transmission positions (i.e., the candidate transmission positions have no SR transmission), the terminal does not need to transmit the SR, and thus does not need to puncture the PUSCH to transmit the SR. When a certain candidate transmission position is a positive SR, the UE transmits the SR on the PUSCH, and because the terminal needs to transmit the SR on the PUSCH when the physical layer SR is the positive SR, the terminal may already start or will start to transmit the PUSCH, so the PUSCH cannot be stopped, a rate matching mode cannot be adopted (the UE is ready for data transmission on the PUSCH and cannot or does not have enough time to prepare data again), and the SR can be transmitted only in a punching mode; if the candidate transmission position indicated by the slashed box in fig. 6 and 7 has SR transmission, then SR puncturing transmission is performed in the time domain of the PUSCH corresponding to the candidate transmission position; the horizontal line box is a candidate transmission position where SR is not transmitted, the grid box is a time domain start position of PUSCH corresponding to an actual transmission position of SR (i.e., a candidate transmission position where SR is actually transmitted), and the slashed box represents the actual transmission position of SR.
Third mode, SR is modulated on a certain list DMRS/certain DMRS of PUSCH for transmission
In the method, the positive SR is transmitted through the REs occupied by the DMRS on the PUSCH, and specifically, the DMRS sequence may be modulated by using an SR modulation symbol, or whether the positive SR exists is indicated by using a different DMRS sequence. Meanwhile, if a plurality of DMRS OFDM symbols exist on the PUSCH, the SR can be modulated on one or partial DMRS OFDM symbols.
In the following, by taking the first method as an example, when the SR starts to perform puncturing mapping on the PUSCH from the OFDM symbol position corresponding to the SR PUCCH. As shown in fig. 8 and 9, the SR period is 2 symbols, the symbol length of the SR PUCCH is 1, and the SR is transmitted punctured on the PUSCH from the corresponding OFDM symbol position (corresponding to the second OFDM symbol of the PUSCH) when the first SR candidate transmission position SR is positive in the portion overlapping with the PUSCH. Fig. 8 and 9 are schematic diagrams of SR-not-able-to-puncture DMRS symbols, and SR-able-to-use mapping of REs other than DMRS REs on DMRS symbols, respectively; in fig. 8 and 9, the diagonal boxes are REs occupied by DMRSs, the grid boxes are REs occupied by SRs, the horizontal boxes indicate candidate transmission positions of SRs, and there is no SR transmission at the positions, the vertical boxes indicate actual transmission positions of SRs, and the black boxes indicate time-domain start positions of PUSCH corresponding to the actual transmission positions of SRs.
For example, in the second mode, when the SR PUCCH collides with the PUSCH time domain resource, if the SR is a positive SR, the terminal transmits the PUCCH using the partial PRB allocated by the PUSCH at the symbol position of the SR PUCCH. That is, the terminal transmits the SR on a partial PRB of the PUSCH in the same transmission scheme as that on the original PUCCH (excluding the PRB resource block position), that is, if the SR PUCCH is PUCCH format 0, the SR is transmitted in PUCCH format 0, and a certain PRB of the PUSCH is used, for example, as shown in fig. 10, the terminal transmits the SR using the first PRB or the last PRB allocated, the vertical line box in fig. 10 is the PRB transmitting the SR, the horizontal line box is the candidate transmission position where the SR is not transmitted, and the grid box is the time domain start position of the PUSCH corresponding to the candidate transmission position where the SR is actually transmitted. It is noted that, at this time, if the PUCCH corresponds to multiple OFDM symbols, then the UE uses consecutive OFDM symbols when transmitting on the PUSCH, i.e., the UE may puncture DMRS symbols, including DMRS REs.
It should be noted that, in order to ensure that the terminal and the network side device understand in a consistent manner, in which manner the terminal sends the SR, the network side device also receives the SR in a corresponding manner.
It should be noted that, the embodiment of the present invention provides a method for SR puncturing transmission on a PUSCH, so as to ensure that a terminal can transmit a high priority SR in time when there is a high priority SR transmission requirement, reduce a high priority SR transmission delay, reduce an influence on PUSCH transmission, and improve the effectiveness of a communication system.
As shown in fig. 11, an information receiving method provided in an embodiment of the present invention is applied to a network device, and includes:
step 1101, receiving a scheduling request SR through a physical uplink shared channel PUSCH.
Optionally, the implementation manner of step 1101 is:
determining the number of coded modulation symbols mapped by each layer of the SR in the PUSCH and the resource element RE position mapped by the coded modulation symbols of each layer;
and receiving the SR through the PUSCH according to the number of the coded modulation symbols mapped by each layer and the RE position mapped by the coded modulation symbols mapped by each layer.
Further, the determining method of the number of coded modulation symbols mapped by the SR in each layer in the PUSCH includes:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
Further, the determining method of the resource element RE position mapped by the coded modulation symbol of each layer includes:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises at least one of the following:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
Specifically, the mapping the SR from the first position of the PUSCH includes one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
Specifically, the mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal, DMRS, orthogonal frequency division multiplexing, OFDM symbol of the PUSCH, including one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
Further, the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
Optionally, the implementation manner of step 1101 is:
mapping the SR on a PUSCH according to a transmission format of the SR on a Physical Uplink Control Channel (PUCCH);
and receiving the PUSCH mapped with the SR.
Specifically, the receiving a scheduling request SR via a physical uplink shared channel PUSCH includes:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is received through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
It should be noted that all the descriptions regarding the network side device in the above embodiments are applicable to the embodiment of the information receiving method, and the same technical effects can be achieved.
As shown in fig. 12, an embodiment of the present invention provides a terminal 1200, including:
a sending module 1201, configured to send a scheduling request SR through a physical uplink shared channel PUSCH.
Optionally, the sending module 1201 includes:
a first determining unit, configured to determine the number of coded modulation symbols mapped by the SR in each layer in the PUSCH and the resource element RE position mapped by the coded modulation symbols in each layer;
and a first sending unit, configured to send the SR via the PUSCH according to the number of coded modulation symbols mapped to each layer and the RE position mapped to the coded modulation symbol of each layer.
Further, the first determining unit determines the number of coded modulation symbols mapped by the SR in each layer of the PUSCH in a manner that:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
Optionally, the offset is determined by one of:
configured by radio resource control, RRC;
indicated by downlink control information DCI;
the offset is the same as when the hybrid automatic repeat request acknowledgement HARQ-ACK is transmitted on the PUSCH.
Further, the first determining unit determines the resource element RE position mapped by the coded modulation symbol of each layer in a manner that:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises one of the following items:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
Specifically, an implementation of mapping the SR from the first position of the PUSCH includes one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
Specifically, starting from the first available non-DMRS OFDM symbol after the first demodulation reference signal DMRS orthogonal frequency division multiplexing OFDM symbol of the PUSCH, an implementation of mapping of the SR includes one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
Further, the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
Optionally, the sending module 1201 includes:
a first mapping unit, configured to map, according to a transmission format of an SR on a physical uplink control channel, PUCCH, the SR on the PUSCH;
a first transmission unit, configured to transmit the PUSCH mapped with the SR.
Further, the sending module 1201 is configured to:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is sent through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
It should be noted that the terminal embodiment is a terminal corresponding to the information transmission method applied to the terminal, and all implementation manners of the above embodiments are applicable to the terminal embodiment, and the same technical effects as those of the terminal embodiment can also be achieved.
Fig. 13 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present invention.
The terminal 130 includes but is not limited to: radio frequency unit 1310, network module 1320, audio output unit 1330, input unit 1340, sensor 1350, display unit 1360, user input unit 1370, interface unit 1380, memory 1390, processor 1311, and power supply 1312. Those skilled in the art will appreciate that the terminal configuration shown in fig. 13 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The radio frequency unit 1310 is configured to send a scheduling request SR through a physical uplink shared channel PUSCH.
The terminal of the embodiment of the invention sends the SR through the PUSCH so as to ensure that the terminal can transmit the SR in time when the SR transmission requirement exists, thereby reducing the SR transmission delay, reducing the influence on the PUSCH transmission and improving the effectiveness of a communication system.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 1310 may be configured to receive and transmit signals during a message transmission or a call, and specifically, receive downlink data from a network-side device and then process the received downlink data to the processor 1311; in addition, the uplink data is sent to the network side equipment. Generally, radio frequency unit 1310 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio unit 1310 may also communicate with a network and other devices through a wireless communication system.
The terminal provides the user with wireless broadband internet access, such as helping the user send and receive e-mails, browse web pages, and access streaming media, through the network module 1320.
The audio output unit 1330 may convert audio data received by the radio frequency unit 1310 or the network module 1320 or stored in the memory 1390 into an audio signal and output as sound. Also, the audio output unit 1330 may also provide audio output related to a specific function performed by the terminal 130 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 1330 includes a speaker, a buzzer, a receiver, and the like.
The input unit 1340 is used to receive an audio or video signal. The input Unit 1340 may include a Graphics Processing Unit (GPU) 1341 and a microphone 1342, and the Graphics Processing Unit 1341 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frame may be displayed on the display unit 1360. The image frames processed by the graphics processor 1341 may be stored in the memory 1390 (or other storage medium) or transmitted via the radio frequency unit 1310 or the network module 1320. The microphone 1342 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication network side device via the radio frequency unit 1310 in case of the phone call mode.
The terminal 130 also includes at least one sensor 1350, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 1361 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 1361 and/or the backlight when the terminal 130 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 1350 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 1360 is used to display information input by the user or information provided to the user. The Display unit 1360 may include a Display panel 1361, and the Display panel 1361 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 1370 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 1370 includes a touch panel 1371 and other input devices 1372. Touch panel 1371, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 1371 (e.g., operations by a user on or near touch panel 1371 using a finger, a stylus, or any other suitable object or attachment). The touch panel 1371 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 1311, receives a command from the processor 1311, and executes the command. In addition, the touch panel 1371 may be implemented by various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1371, the user input unit 1370 may include other input devices 1372. Specifically, the other input devices 1372 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, touch panel 1371 can be overlaid on display panel 1361, and when touch panel 1371 detects a touch operation on or near the touch panel, the touch panel is transmitted to processor 1311 to determine the type of the touch event, and then processor 1311 provides a corresponding visual output on display panel 1361 according to the type of the touch event. Although in fig. 13, the touch panel 1371 and the display panel 1361 are implemented as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 1371 and the display panel 1361 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 1380 is an interface for connecting an external device to the terminal 130. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 1380 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 130 or may be used to transmit data between the terminal 130 and an external device.
Memory 1390 may be used to store software programs and various data. The memory 1390 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 1390 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 1311 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 1390 and calling data stored in the memory 1390, thereby performing overall monitoring of the terminal. Processor 1311 may include one or more processing units; preferably, the processor 1311 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It is to be appreciated that the modem processor described above may not be integrated into processor 1311.
Terminal 130 may also include a power supply 1312 (e.g., a battery) for powering the various components, and preferably, power supply 1312 may be logically coupled to processor 1311 via a power management system such that the functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the terminal 130 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 1311, a memory 1390, and a computer program stored in the memory 1390 and capable of running on the processor 1311, where the computer program, when executed by the processor 1311, implements each process of the information transmission method embodiment applied to the terminal side, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the information transmission method embodiment applied to the terminal side, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
As shown in fig. 14, an embodiment of the present invention further provides a network side device 1400, which includes:
a receiving module 1401, configured to receive a scheduling request SR through a physical uplink shared channel PUSCH.
Optionally, the receiving module 1401 includes:
a second determining unit, configured to determine the number of coded modulation symbols mapped by the SR in each layer in the PUSCH and the resource element RE position mapped by the coded modulation symbol in each layer;
and a receiving unit, configured to receive the SR via the PUSCH according to the number of coded modulation symbols mapped to each layer and the RE position mapped to the coded modulation symbol of each layer.
Specifically, the manner for determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH by the second determining unit is as follows:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
Specifically, the manner for determining the resource element RE position mapped by the coded modulation symbol of each layer by the second determining unit is as follows:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises at least one of the following:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
Further, the implementation of mapping the SR starting from the first location of the PUSCH includes one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
Further, starting from the first available non-DMRS OFDM symbol after the first demodulation reference signal, DMRS, orthogonal frequency division multiplexing, OFDM symbol of the PUSCH, an implementation of the mapping of the SR is made, including one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
Further, the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
Optionally, the receiving module 1401 includes:
a second mapping unit, configured to map the SR on a PUSCH according to a transmission format of the SR on a physical uplink control channel, PUCCH;
a second receiving unit, configured to receive the PUSCH to which the SR is mapped.
Specifically, the receiving module 1401 is configured to:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is received through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
An embodiment of the present invention further provides a network side device, including: the information receiving method applied to the network side device comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein when the computer program is executed by the processor, each process in the information receiving method embodiment applied to the network side device is realized, the same technical effect can be achieved, and in order to avoid repetition, the details are not repeated.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process in the information receiving method embodiment applied to the network-side device, and can achieve the same technical effect, and is not described herein again to avoid repetition. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Fig. 15 is a structural diagram of a network side device according to an embodiment of the present invention, which can implement details of the information receiving method described above and achieve the same effect. As shown in fig. 15, the network-side device 1500 includes: a processor 1501, a transceiver 1502, a memory 1503, and a bus interface, wherein:
the processor 1501, which is configured to read the program in the memory 1503, executes the following processes:
the scheduling request SR is received by the transceiver 1502 through a physical uplink shared channel PUSCH.
In fig. 15, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 1501, and various circuits, represented by memory 1503, linked together. 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 1502 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.
Alternatively, the processor 1501, which is configured to read the program in the memory 1503, executes the following processes:
determining the number of coded modulation symbols mapped by each layer of the SR in the PUSCH and the resource element RE position mapped by the coded modulation symbols of each layer;
and receiving the SR through the PUSCH according to the number of the coded modulation symbols mapped by each layer and the RE position mapped by the coded modulation symbols mapped by each layer.
Specifically, the processor 1501 is configured to read a program in the memory 1503, which is used to determine the number of coded modulation symbols mapped by SR in each layer of PUSCH, and execute the following procedures:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
Specifically, the processor 1501, configured to read the program in the memory 1503, for determining the resource element RE position mapped by the coded modulation symbol of each layer, executes the following processes:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises at least one of the following:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
Further, the mapping the SR starting from the first location of the PUSCH comprises one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
Further, mapping the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal, DMRS, orthogonal frequency division multiplexing, OFDM symbol of the PUSCH, including one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
Further, the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
Alternatively, the processor 1501, which is configured to read the program in the memory 1503, executes the following processes:
mapping the SR on a PUSCH according to a transmission format of the SR on a Physical Uplink Control Channel (PUCCH);
and receiving the PUSCH mapped with the SR.
Alternatively, the processor 1501, which is configured to read the program in the memory 1503, executes the following processes:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is received through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
The network side device may be a Base Transceiver Station (BTS) in Global System for mobile communications (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolved Node B (evolved Node B, eNB or eNodeB) in LTE, a relay Station or Access point, or a Base Station in a future 5G network, and the like, which is not limited herein.
While the preferred embodiments of the present invention have been described, 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 following claims.

Claims (29)

1. An information transmission method applied to a terminal is characterized by comprising the following steps:
and sending a scheduling request SR through a physical uplink shared channel PUSCH.
2. The information transmission method according to claim 1, wherein the sending a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
determining the number of coded modulation symbols mapped by each layer of the SR in the PUSCH and the resource element RE position mapped by the coded modulation symbols of each layer;
and sending the SR through the PUSCH according to the number of the coded modulation symbols mapped by each layer and the RE position mapped by the coded modulation symbols mapped by each layer.
3. The information transmission method according to claim 2, wherein the determination of the number of coded modulation symbols mapped by the SR per layer in the PUSCH includes:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
4. The information transmission method according to claim 3, wherein the offset is determined by one of:
configured by radio resource control, RRC;
indicated by downlink control information DCI;
the offset is the same as when the hybrid automatic repeat request acknowledgement HARQ-ACK is transmitted on the PUSCH.
5. The information transmission method according to claim 2, wherein the determining manner of the resource element RE position mapped by the coded modulation symbol of each layer comprises:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises one of the following items:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
6. The information transmission method according to claim 5, wherein the mapping the SR from the first position of the PUSCH comprises one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
7. The information transmission method according to claim 5, wherein the mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference Signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH, and comprises one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
8. The information transmission method according to claim 5, wherein the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
9. The information transmission method according to claim 1, wherein the sending a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
mapping the SR on a PUSCH according to a transmission format of the SR on a Physical Uplink Control Channel (PUCCH);
and transmitting the PUSCH mapped with the SR.
10. The information transmission method according to any one of claims 1 to 9, wherein the sending a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is sent through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
11. An information receiving method is applied to a network side device, and is characterized by comprising the following steps:
and receiving a scheduling request SR through a physical uplink shared channel PUSCH.
12. The information receiving method according to claim 11, wherein the receiving a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
determining the number of coded modulation symbols mapped by each layer of the SR in the PUSCH and the resource element RE position mapped by the coded modulation symbols of each layer;
and receiving the SR through the PUSCH according to the number of the coded modulation symbols mapped by each layer and the RE position mapped by the coded modulation symbols mapped by each layer.
13. The information receiving method according to claim 12, wherein the determination of the number of coded modulation symbols mapped by the SR per layer in the PUSCH includes:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
14. The information receiving method as claimed in claim 12, wherein the manner of determining the RE positions of the resource elements mapped by the coded modulation symbols of each layer comprises:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises at least one of the following:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
15. The information receiving method according to claim 14, wherein the mapping the SR from the first position of the PUSCH comprises one of:
when the SR is mapped to a demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Uplink Shared Channel (PUSCH), the SR is mapped to a first RE in the DMRS OFDM symbol, wherein the first RE is other REs except for the RE occupied by the DMRS;
the SR is mapped to other OFDM symbols except the DMRS OFDM symbol.
16. The information receiving method according to claim 14, wherein the mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal, DMRS, orthogonal frequency division multiplexing, OFDM symbol of the PUSCH, and includes one of:
the SR can be mapped on the RE occupied by the hybrid automatic repeat request-acknowledgement (HARQ-ACK);
the SR cannot be mapped on REs occupied by HARQ-ACK.
17. The information receiving method according to claim 14, wherein the mapping rule further includes one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
18. The information receiving method according to claim 11, wherein the receiving a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
mapping the SR on a PUSCH according to a transmission format of the SR on a Physical Uplink Control Channel (PUCCH);
and receiving the PUSCH mapped with the SR.
19. The information receiving method according to any one of claims 11 to 18, wherein the receiving a scheduling request SR via a physical uplink shared channel, PUSCH, comprises:
the SR corresponds to at least one candidate transmission position, and when the SR is transmitted at the first candidate transmission position, the SR transmitted at the first candidate transmission position is received through a PUSCH;
wherein the first candidate transmission position is one of the at least one candidate transmission position.
20. A terminal, comprising:
and the sending module is used for sending the scheduling request SR through a physical uplink shared channel PUSCH.
21. The terminal of claim 20, wherein the sending module comprises:
a first determining unit, configured to determine the number of coded modulation symbols mapped by the SR in each layer in the PUSCH and the resource element RE position mapped by the coded modulation symbols in each layer;
and a first sending unit, configured to send the SR via the PUSCH according to the number of coded modulation symbols mapped to each layer and the RE position mapped to the coded modulation symbol of each layer.
22. The terminal according to claim 21, wherein the first determining unit determines the number of coded modulation symbols mapped by the SR per layer in PUSCH in a manner that:
and determining the number of coded modulation symbols mapped by the SR in each layer in the PUSCH according to the bit number and the offset of the SR and the number of REs capable of being used for transmitting the SR on the PUSCH.
23. The terminal of claim 21, wherein the first determining unit determines the resource element RE position mapped by the coded modulation symbol of each layer by:
determining the RE position mapped by the code modulation symbol of each layer according to the SR mapping rule;
the mapping rule comprises one of the following items:
mapping the SR from a first position of the PUSCH, wherein the first position corresponds to an initial symbol position of a Physical Uplink Control Channel (PUCCH) where the SR is located;
mapping of the SR is performed starting from a first available non-DMRS OFDM symbol after a first demodulation reference signal (DMRS) Orthogonal Frequency Division Multiplexing (OFDM) symbol of the PUSCH.
24. The terminal of claim 23, wherein the mapping rule further comprises one of:
if the number of REs which can be used for transmitting the SR of the PUSCH is larger than the number of the code modulation symbols to be mapped of the SR on the first orthogonal frequency division multiplexing OFDM symbol, mapping the code modulation symbols to be mapped of the SR on the first OFDM symbol of the PUSCH by adopting a distributed mapping mode;
and if the number of the mapped SR coded bits of the PUSCH is larger than the number of the SR coded bits to be mapped on the second OFDM symbol, mapping the SR coded bits to be mapped on the second OFDM symbol of the PUSCH by adopting a distributed mapping mode.
25. The terminal of claim 20, wherein the sending module comprises:
a first mapping unit, configured to map, according to a transmission format of an SR on a physical uplink control channel, PUCCH, the SR on the PUSCH;
a first transmission unit, configured to transmit the PUSCH mapped with the SR.
26. A terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when being executed by the processor, carries out the steps of the information transmission method according to one of claims 1 to 10.
27. A network-side device, comprising:
and the receiving module is used for receiving the scheduling request SR through a physical uplink shared channel PUSCH.
28. A network-side device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when being executed by the processor, carries out the steps of the information receiving method according to any one of claims 11 to 19.
29. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the information transmission method according to one of claims 1 to 10 or the steps of the information reception method according to one of claims 11 to 19.
CN201910590725.3A 2019-07-02 2019-07-02 Information transmission and receiving method, terminal and network side equipment Active CN111835479B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910590725.3A CN111835479B (en) 2019-07-02 2019-07-02 Information transmission and receiving method, terminal and network side equipment
PCT/CN2020/097974 WO2021000774A1 (en) 2019-07-02 2020-06-24 Information transmission method, information reception method, terminal and network side device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910590725.3A CN111835479B (en) 2019-07-02 2019-07-02 Information transmission and receiving method, terminal and network side equipment

Publications (2)

Publication Number Publication Date
CN111835479A true CN111835479A (en) 2020-10-27
CN111835479B CN111835479B (en) 2021-09-24

Family

ID=72912264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910590725.3A Active CN111835479B (en) 2019-07-02 2019-07-02 Information transmission and receiving method, terminal and network side equipment

Country Status (2)

Country Link
CN (1) CN111835479B (en)
WO (1) WO2021000774A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2019077702A1 (en) * 2017-10-18 2020-11-26 株式会社Ｎｔｔドコモ Terminals, communication methods and base stations
CN115088368A (en) * 2021-01-15 2022-09-20 Lg电子株式会社 Method and apparatus for transmitting and receiving signal in wireless communication system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011098136A1 (en) * 2010-02-12 2011-08-18 Nokia Siemens Networks Oy Scheduling request and ack/nack simultaneous transmission / prioritization over pucch in lte
CN102215595A (en) * 2010-04-07 2011-10-12 北京三星通信技术研究有限公司 Method for transmitting ascending scheduling requirement
CN102333341A (en) * 2010-07-13 2012-01-25 华为技术有限公司 Data transmission method, user equipment and base station
CN102948103A (en) * 2010-05-03 2013-02-27 诺基亚西门子通信公司 Feedback for inter-radio access technology carrier aggregation
CN104168098A (en) * 2008-10-20 2014-11-26 交互数字专利控股公司 Method for transmitting UL control information in WTRU using carrier aggregation and WTRU
CN105122932A (en) * 2013-03-15 2015-12-02 摩托罗拉移动有限责任公司 Method and apparatus for device-to-device communication
CN107251462A (en) * 2015-02-09 2017-10-13 瑞典爱立信有限公司 HARQ is realized on the PUSCH of multicarrier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103580816B (en) * 2012-08-03 2018-05-15 中兴通讯股份有限公司 A kind of uplink receiving method and device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104168098A (en) * 2008-10-20 2014-11-26 交互数字专利控股公司 Method for transmitting UL control information in WTRU using carrier aggregation and WTRU
WO2011098136A1 (en) * 2010-02-12 2011-08-18 Nokia Siemens Networks Oy Scheduling request and ack/nack simultaneous transmission / prioritization over pucch in lte
CN102215595A (en) * 2010-04-07 2011-10-12 北京三星通信技术研究有限公司 Method for transmitting ascending scheduling requirement
CN102948103A (en) * 2010-05-03 2013-02-27 诺基亚西门子通信公司 Feedback for inter-radio access technology carrier aggregation
CN102333341A (en) * 2010-07-13 2012-01-25 华为技术有限公司 Data transmission method, user equipment and base station
CN105122932A (en) * 2013-03-15 2015-12-02 摩托罗拉移动有限责任公司 Method and apparatus for device-to-device communication
CN107251462A (en) * 2015-02-09 2017-10-13 瑞典爱立信有限公司 HARQ is realized on the PUSCH of multicarrier

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
OPPO: "Intra-UE prioritization between SR and PUSCH", 《3GPP TSG-RAN WG2 R2-1906046》 *
QUALCOMM INCORPORATED: "Maintenance for PUCCH", 《3GPP TSG RAN WG1 MEETING R1- 1811235》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2019077702A1 (en) * 2017-10-18 2020-11-26 株式会社Ｎｔｔドコモ Terminals, communication methods and base stations
JP7010964B2 (en) 2017-10-18 2022-01-26 株式会社Ｎｔｔドコモ Terminals, communication methods and base stations
CN115088368A (en) * 2021-01-15 2022-09-20 Lg电子株式会社 Method and apparatus for transmitting and receiving signal in wireless communication system

Also Published As

Publication number Publication date
WO2021000774A1 (en) 2021-01-07
CN111835479B (en) 2021-09-24

Similar Documents

Publication Publication Date Title
CN111835480B (en) UCI transmission method, UCI receiving method, terminal and network equipment
CN109963326B (en) Control channel monitoring method, monitoring indication method, terminal and network equipment
JP7259082B2 (en) Uplink control information transmission, reception method, terminal and network side equipment
CN111182634B (en) Data transmission method, terminal and network equipment
CN111435901A (en) Hybrid automatic repeat request acknowledgement feedback method, terminal and network equipment
CN111277381B (en) Physical downlink control channel monitoring, monitoring configuration method, terminal and network equipment
AU2021269599B2 (en) Information transmission method and apparatus, and electronic device
CN111447686B (en) HARQ-ACK feedback method, terminal and network equipment
CN111181706B (en) Method and terminal for sending hybrid automatic repeat request acknowledgement
CN111835489B (en) Transmission method, configuration method, terminal and network side equipment
CN110661607A (en) Method and terminal for processing uplink conflict
CN111278004A (en) Method, terminal and network equipment for determining positions of physical downlink control channel candidates
CN111800880B (en) Transmission method of uplink control information, terminal equipment and storage medium
CN112583533B (en) HARQ-ACK feedback acquisition, transmission, terminal and network side equipment
CN112654093B (en) Information transmission and receiving method, terminal and network side equipment
CN111262668B (en) Physical uplink control channel transmission method, network side equipment and terminal
CN111835479B (en) Information transmission and receiving method, terminal and network side equipment
CN111817830B (en) Transmission and reception control method, terminal and network side equipment
CN111277380B (en) Repeated transmission method, terminal and network side equipment
CN110933751B (en) Indication method, receiving method, terminal and network equipment of uplink control information
CN111130713B (en) Transmission method, sending end equipment, receiving end equipment and network side equipment
US20220159500A1 (en) Sidelink measurement result obtaining method, sidelink measurement result sending method, and terminal
CN113163502A (en) Communication processing method and related equipment
CN111435903A (en) Information sending method, information receiving method, terminal and network equipment
CN110972299A (en) Uplink control information transmission method, terminal and network equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant