CN106301695B - A kind of uplink control channel method for transmitting signals - Google Patents
A kind of uplink control channel method for transmitting signals Download PDFInfo
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- CN106301695B CN106301695B CN201510251589.7A CN201510251589A CN106301695B CN 106301695 B CN106301695 B CN 106301695B CN 201510251589 A CN201510251589 A CN 201510251589A CN 106301695 B CN106301695 B CN 106301695B
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- base station
- bits
- pucch format
- control channel
- uplink control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of uplink control channel method for transmitting signals, it is characterized in that, this method comprises: when the terminal needs to send signal, if it is determined that the carrier number of scheduling and the product M of downlink subframe number are greater than 20 bits, and it is not more than 64 bits, then the corresponding load of signal to be sent forms 120 bits after accelerating matching by convolutional encoding, and it modulates and to form 60 symbols, it is mapped to 12 subcarriers of the initial position corresponding position for the first PUCCH format configuration, on 5 OFDF symbols, and after carrying out the orthogonal spectrum expansion that spreading factor is 2, base station is sent to by uplink control channel.The technical solution can send the load for being greater than 20 bits by uplink control channel.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of uplink control channel method for transmitting signals.
Background technique
The work of carrier wave Aggregation standardization starts from 3GPP Rel-10, could support up the polymerization of 5 carrier waves of downlink, Rel-11
By the TDD carrier wave polymerization under the framework extension to different uplink-downlink configurations of carrier wave polymerization, Rel-12 expands to the carrier wave of FDD-TDD
Polymerization.The technology that LTE uses unauthorized frequency range is introduced in Rel-13, so as to expand to 5GHz unauthorized for the carrier wave polymerization of LTE
Frequency range is possibly realized, and the wlan standard IEEE802.11ac in 5GHz frequency range has supported the bandwidth of 80MHz and 160MHz,
In addition, having had new frequency range that can polymerize in identical frequency range more other than frequency range widely applied in present LTE system
A carrier wave, such as 3.5GHz frequency range, it is therefore necessary to carrier wave polymerization be extended beyond into 5 carrier waves, to more effectively utilize
Frequency spectrum.
After the carrier number number of polymerization is extended to more than 5, if physical uplink control channel (Physical
Uplink Control Channel, PUCCH) still sent on main carrier, uplink control channel load can increase very much.?
In FDD system, since most 32 descending carriers polymerize, each most two transmission blocks of carrier wave, the ACK/NACK bit needed
Preferably at most 64 bits, likewise, in a tdd system, by taking time slot proportion 2 as an example, even if using space bundling, needing
ACK/NACK bit has at most also reached 128 bits.
And the ACK/NACK that the PUCCH format 3 in existing LTE system could support up 20 bits is sent, and cannot
The ACK/NACK for being greater than 20 bits is supported to send.
Therefore the expense for needing to consider to reduce control channel, or new PUCCH format is designed to support more bits
HARQ ACK/NACK send.
Summary of the invention
In view of this, the application provides a kind of uplink control channel method for transmitting signals, uplink control must not be passed through with solution
Channel processed sends the problem of load for being greater than 20 bits.
In order to solve the above technical problems, the technical solution of the application is achieved in that
A kind of uplink control channel method for transmitting signals, which is characterized in that this method comprises:
The end that base station configures the initial position of the first PUCCH format according to loading condition, and this base station is notified to service
End；
When terminal receives the initial position that base station notice is the first PUCCH format configuration, stored；
When the terminal needs to send signal, however, it is determined that the carrier number of scheduling and the product M of downlink subframe number are greater than 20
Bit, and be not more than 64 bits, then the corresponding load of signal to be sent forms 120 ratios after accelerating matching by convolutional encoding
Spy, and modulate and to form 60 symbols, 12 sons for being mapped to the initial position corresponding position for the first PUCCHformat configuration carry
Wave is sent to base station by uplink control channel in 5 OFDM symbols, and after carrying out the orthogonal spectrum expansion that spreading factor is 2.
As can be seen from the above technical solution, the application uses the PUCCH by the way that a kind of new PUCCH format is arranged
Format, which is sent, is greater than 20 bits, and is not more than the load of 64 bits, and therefore, embodiment provided by the present application can pass through uplink
Control channel sends the load for being greater than 20 bits.
Detailed description of the invention
Fig. 1 is that PUCCH resource distributes schematic diagram in the embodiment of the present application；
Fig. 2 is the ACK/NACK bit number schematic diagram with space bunding；
Fig. 3 is uplink control channel method for transmitting signals flow diagram in the embodiment of the present application；
Fig. 4 is that symbol when the first PUCCH format is used to map schematic diagram in the embodiment of the present application；
Fig. 5 is that symbol when the 2nd PUCCH format is used to map schematic diagram in the embodiment of the present application.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples,
Technical solution of the present invention is described in detail.
A kind of uplink control channel method for transmitting signals is provided in the embodiment of the present application, two kinds of difference format are arranged in base station
To support 20 bits or more, 128 bit ACK/NACK below to send.
The newly-installed two kinds of differences format in base station is respectively as follows: the first PUCCH format and the 2nd PUCCH format,
Different from the PUCCH format 3 in existing realization.When specific implementation, it can be used 4 to identify the first PUCCH format,
That is PUCCH format 4；The 2nd PUCCH format, i.e. PUCCH format 5 are identified using 5.It is unlimited when specific implementation
In above-mentioned realization.
Base station configures PUCCH format 3, the first PUCCH format and the 2nd PUCCH format according to loading condition
Initial position, and notify the base station service each terminal.
Terminal receive base station notice be the first PUCCH format, the 2nd PUCCH format and PUCCH
When the initial position that format 3 is configured, stored；
It is that PUCCH resource distributes schematic diagram in the embodiment of the present application referring to Fig. 1, Fig. 1.By the first PUCCH in Fig. 1
Format is set as PUCCH format 4, sets PUCCH format 5 for the 2nd PUCCH format.PUCCH
Format 3 is the PUCCH format 3 in existing realization.
Each PUCCH format configuration is given in Fig. 1 is initiated with position, is a kind of implementation, when specific implementation,
It is not limited to above-mentioned implementation.
For any terminal, when the product M of the carrier number and downlink subframe number that determine scheduling is greater than 20 bits, and it is not more than
64 bits use the first PUCCH format signal to be sent；When the carrier number and downlink subframe number for determining scheduling
Product M be greater than 64 bits, and be not more than 128 bit when, use the 2nd PUCCH format signal to be sent；Work as determination
When the carrier number of scheduling and the product M of downlink subframe number are not more than 20 bit, to be sent using PUCCH format 3
Signal.
Referring to fig. 2, Fig. 2 is the ACK/NACK bit number schematic diagram with space bunding.In Fig. 2, when terminal scheduling
Carrier number be greater than 5 when, just will appear scheduling carrier number and downlink subframe number product be greater than 20 bit the case where.
With reference to the accompanying drawing, it is described in detail in the application specific embodiment and how to realize that uplink control channel sends signal
's.
It is uplink control channel method for transmitting signals flow diagram in the embodiment of the present application referring to Fig. 3, Fig. 3.Specific step
Suddenly are as follows:
Step 301, when terminal needs to send signal, however, it is determined that the carrier number of scheduling and the product M of downlink subframe number are big
In 20 bits, and it is not more than 64 bits, then the corresponding load of signal to be sent is formed after accelerating matching by convolutional encoding
120 bits, and modulate and to form 60 symbols.
After forming 120 bits, it can also add re-modulation 60 symbols of formation after interference that can carry out specifically when modulation
QPSK modulation.
Step 302, the starting which is mapped to 60 symbols that modulation is formed as the first PUCCH format configuration
12 subcarriers of position corresponding position pass through uplink in 5 OFDM symbols, and after carrying out the orthogonal spectrum expansion that spreading factor is 2
Control channel is sent to base station.
Referring to fig. 4, Fig. 4 is that symbol when the first PUCCH format is used to map schematic diagram in the embodiment of the present application.Fig. 4
In D0 to D4 be 5 OFDM symbols being mapped to, each symbol separately includes 12 subcarriers.
In Fig. 4+1 and -1 mark be carry out spreading factor be 2 orthogonal spectrum expansion sequence.The corresponding length of first sequence
The frequency expansion sequence that degree be 10 is [+1+1+1+1+1+1+1+1+1+1], second sequence correspond to the frequency expansion sequence that length is 10 for [+
1+1+1+1+1-1-1-1-1-1].Two frequency expansion sequences shown in Fig. 4 are a kind of citing, when specific implementation, as long as two expansions
Frequency is orthogonal spectrum expansion, is not limited to two frequency expansion sequences shown in Fig. 4.
After the orthogonal spectrum expansion for carrying out spreading factor and being 2 in the embodiment of the present application, 2 users can be taken.
If terminal determines that the carrier number of scheduling and the product M of downlink subframe number are greater than 64 bits, and is not more than 128 bits,
Then the corresponding load of signal to be sent forms 240 bits after accelerating matching by convolutional encoding, and modulates and to form 120 symbols
Number, 12 subcarriers of the initial position corresponding position for the 2nd PUCCH format configuration are mapped to, in 10 OFDM symbols,
And after carrying out the spread spectrum that spreading factor is 1, base station is sent to by uplink control channel.
In the embodiment after forming 240 bits, re-modulation after interference can also be added to form 120 symbols, it is specific to modulate
When, QPSK modulation can be carried out, a user can only be multiplexed in the embodiment.
It is that symbol when the 2nd PUCCH format is used to map schematic diagram in the embodiment of the present application referring to Fig. 5, Fig. 5.Fig. 5
In D0 to D9 be 10 OFDM symbols after mapping, each symbol separately includes 12 subcarriers.
If terminal determines that the carrier number of scheduling and the product M of downlink subframe number are not more than 20 bits, letter to be sent
It number is mapped on the initial position corresponding position configured for PUCCH format 3, and base is sent to by uplink control channel
It stands.At this time it is specific compared in realization use PUCCH format 3 send signal, detailed process which is not described herein again.
Therefore in two kinds of PUCCH format being arranged in the embodiment of the present application, the first PUCCHformat can be propped up
The load for holding at most 64 bits is sent, and is at most multiplexed two users, and the 2nd PUCCHformat can support at most 128 bits
Load is sent, and is at most multiplexed a user.System configures the size of two kinds of PUCCH format according to different loading conditions
And initial position.The polymerization of most 32 carrier waves of downlink can be supported in this way, and uplink control channel is only needed in main carrier
Upper transmission.
In conclusion load of the application by configuring two kinds of new PUCCH format, for supporting to be greater than 20 bits
PUCCH is sent on uplink main carrier, the corresponding bit of HARQ-ACK of all descending carriers can be carried.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (3)
1. a kind of uplink control channel method for transmitting signals, which is characterized in that this method comprises:
Base station configures the initial position of the first physical uplink control channel PUCCH format format according to loading condition, and
The terminal for notifying this base station to service；
When terminal receives the initial position that base station notice is the first PUCCH format configuration, stored；
When the terminal needs to send signal, however, it is determined that the carrier number of scheduling and the product M of downlink subframe number are greater than 20 bits,
And being not more than 64 bits, then the corresponding load of signal to be sent forms 120 bits after accelerating matching by convolutional encoding, and
Modulation formed 60 symbols, be mapped to for the first PUCCH format configuration initial position corresponding position 12 subcarriers, 5
In a orthogonal frequency division multiplexi OFDM symbol, and carry out spreading factor be 2 orthogonal spectrum expansion after, sent out by uplink control channel
Give base station.
2. the method according to claim 1, wherein the method further includes:
The terminal that base station configures the initial position of the 2nd PUCCH format according to loading condition, and this base station is notified to service；
When terminal receives the initial position that base station notice is the 2nd PUCCH format configuration, stored；
When the terminal needs to send signal, however, it is determined that the carrier number of scheduling and the product M of downlink subframe number are greater than 64 bits,
And be not more than 128 bits, then the corresponding load of signal to be sent forms 240 bits after accelerating matching by convolutional encoding,
And modulate and to form 120 symbols, 12 sons for being mapped to the initial position corresponding position for the 2nd PUCCH format configuration carry
Wave is sent to base station by uplink control channel in 10 OFDM symbols, and after carrying out the spread spectrum that spreading factor is 1.
3. method according to claim 1 or 2, which is characterized in that the method further includes:
The terminal that base station configures the initial position of PUCCH format 3 according to loading condition, and this base station is notified to service；
Terminal receives the base station notice when being the initial position that PUCCH format 3 is configured, and is stored；
If it is determined that the carrier number of scheduling and the product M of downlink subframe number are not more than 20 bits, then signal to be sent is mapped to
On the initial position corresponding position configured for PUCCH format 3, and base station is sent to by uplink control channel.
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| CN201510251589.7A CN106301695B (en) | 2015-05-18 | 2015-05-18 | A kind of uplink control channel method for transmitting signals |
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| CN110140314B (en) * | 2017-01-06 | 2021-01-29 | 华为技术有限公司 | Transmission method and device of uplink control channel |
| CN109788555B (en) | 2017-11-10 | 2024-03-22 | 中兴通讯股份有限公司 | Method for determining uplink control channel scheduling unit, base station and user equipment |
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| WO2010123304A2 (en) * | 2009-04-24 | 2010-10-28 | Samsung Electronics Co., Ltd. | Multiplexing large payloads of control information from user equipments |
| CN102404092A (en) * | 2010-09-09 | 2012-04-04 | 电信科学技术研究院 | Method and equipment for allocating and determining uplink control channel resources |
| CN103178926A (en) * | 2011-12-21 | 2013-06-26 | 华为技术有限公司 | Method for transmitting control information, user device and base station |
| CN103202059A (en) * | 2010-11-09 | 2013-07-10 | 夏普株式会社 | Mobile station device, base station device, wireless communication system, wireless communication method, and integrated circuit |
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2015
- 2015-05-18 CN CN201510251589.7A patent/CN106301695B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010123304A2 (en) * | 2009-04-24 | 2010-10-28 | Samsung Electronics Co., Ltd. | Multiplexing large payloads of control information from user equipments |
| CN102404092A (en) * | 2010-09-09 | 2012-04-04 | 电信科学技术研究院 | Method and equipment for allocating and determining uplink control channel resources |
| CN103202059A (en) * | 2010-11-09 | 2013-07-10 | 夏普株式会社 | Mobile station device, base station device, wireless communication system, wireless communication method, and integrated circuit |
| CN103178926A (en) * | 2011-12-21 | 2013-06-26 | 华为技术有限公司 | Method for transmitting control information, user device and base station |
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Effective date of registration: 20211227 Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF INFORMATION AND COMMUNICATIONS Address before: 100045 Beijing city Xicheng District Yuetan Nan Street 11 Patentee before: The Research Institute of Telecommunications Transmission MIIT |