WO2014201614A1 - 上行控制信息传输方法、用户设备和基站 - Google Patents
上行控制信息传输方法、用户设备和基站 Download PDFInfo
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- WO2014201614A1 WO2014201614A1 PCT/CN2013/077351 CN2013077351W WO2014201614A1 WO 2014201614 A1 WO2014201614 A1 WO 2014201614A1 CN 2013077351 W CN2013077351 W CN 2013077351W WO 2014201614 A1 WO2014201614 A1 WO 2014201614A1
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- Prior art keywords
- ofdm symbol
- uplink subframe
- carried
- ack
- nack
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
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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
- H04L5/0001—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
Definitions
- the present invention relates to the field of communications technologies, and in particular, to an uplink control information transmission method, a user equipment, and a base station. Background technique
- the base station performs uplink channel estimation and demodulation by using an Uplink (UL) Demodulation Reference Signal (DMRS) transmitted by a User Equipment (UE). Used to assist in uplink timing, signal-to-noise ratio estimation, and channel measurement.
- UL Uplink
- DMRS Demodulation Reference Signal
- UE User Equipment
- the UE sends a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) and a UL DMRS to the base station, where the PUSCH is used to carry uplink data, and the UE may also send Uplink Control Information (UCI), where the UCI includes Channel Quality Indicator (CQI) / Precoding Matrix Indicator (PMI), Rank Indicator (RI), Acknowledgement (ACK), and Negative Confirmation (Negative Acknowledgement, referred to as: NACK).
- CQI Channel Quality Indicator
- PMI Precoding Matrix Indicator
- RI Rank Indicator
- ACK Acknowledgement
- NACK Negative Confirmation
- the technology of the small cell appears in the prior art. Since the coverage of the small cell is small and the mobile speed of the UE is low, the channel quality of the UE in the small cell and the channel time-frequency domain correlation are good, so the UE is usually only in the direction.
- the base station of the small cell transmits the 4th symbol of the uplink subframe, that is, the symbol 3, transmits the UL DMRS, the 3rd, 5th, 10th and 12th symbols, that is, the symbols 2, 4, 9 and 11, send the ACK and At least one of the NACKs, the second, sixth, eighth, and eleventh symbols, that is, the symbols 1, 5, 7, and 10, transmit the RI, and the eleventh symbol of the uplink subframe in which the UL DMRS was originally transmitted, that is, At symbol 10, data is transmitted to allow more resources to be used for transmitting data, thereby improving resource utilization and spectral efficiency.
- the embodiment of the present invention provides an uplink control information transmission method, a user equipment, and a base station, which are used to carry a UCI in a position adjacent to a UL DMRS in an uplink subframe, thereby improving demodulation performance of the base station to the UCI, thereby improving Data transfer rate and network throughput.
- the embodiment of the present invention provides an uplink control information transmission method.
- a resource element RE in an orthogonal frequency division multiplexing OFDM symbol in an uplink subframe is used.
- Carrying the UL DMRS; the method includes: the user equipment UE carries the uplink control information UCI to the RE in the uplink subframe according to the first UL DMRS pattern, and carries the OFDM symbol where the RE of the UCI is located Adjacent to an OFDM symbol in which the RE that carries the UL DMRS is located; the UE sends an uplink subframe that carries the UCI to the base station.
- the UL DMRS is carried on an RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, a second An OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; in the uplink subframe, the ACK And at least one of the NACK and the NACK are carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, The 7th OFDM symbol, the 8th OFDM symbol, and the 9th OFDM symbol.
- the user equipment UE according to the first uplink demodulation reference signal UL DMRS pattern, uplink control information UCI
- the bearer is carried on the resource-free RE in the uplink subframe, including: the UE carries the RI to an RE of the first OFDM symbol; the UE sends the ACK At least one of the NACK and the NACK is carried on the RE of the second OFDM symbol; the UE carries at least one of the data of the CQI, the PMI, and the PUSCH to the first RE, where the first RE is un-beared
- the UE carries the RI to the RE of the first OFDM symbol
- the UE first carries the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol according to the set sequence, and then divides the RI by the first part.
- the UE carries at least one of the ACK and the NACK to the second
- the RE of the OFDM symbol includes: the UE first carries the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol and the 5th OFDM of the uplink subframe according to the set sequence And transmitting, on the RE of the symbol, the second part of the at least one of the ACK and the NACK except the first part to the first OFDM symbol and the seventh symbol of the uplink subframe are not carried.
- the that the UE carries the RI to the RE of the first OFDM symbol The UE first carries the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol according to the set sequence, and then divides the RI by the first a second part other than the part is carried to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol; the UE carries at least one of the ACK and the NACK to the
- the RE of the OFDM symbol includes: the UE carries at least one of the ACK and the NACK to the RE of the OFDM symbol that does not carry the RI according to the set sequence.
- the third OFDM symbol does not carry the RE of the RI
- the fifth OFDM symbol does not carry the RE of the RI
- the RE of the seventh OFDM symbol that does not carry the RI the RE of the seventh OFDM symbol that does not carry the RI.
- the UE carries the RI to the RE of the first OFDM symbol
- the UE carries the RI to the RE of the 1st OFDM symbol of the uplink subframe, the RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the 7th OFDM according to the set order On the RE of the symbol; the UE carrying the at least one of the ACK and the NACK to the RE of the second OFDM symbol, including: the UE first performing the ACK and the NACK according to the set order
- the first part of the at least one is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the at least one of the ACK and the NACK is divided by the first part
- the second part of the second OFDM symbol carried in the uplink subframe does not carry the RE of the RI, the RE of the second OFDM symbol that does not carry the RI
- the UE in an eighth possible implementation manner of the foregoing aspect, the that, by the UE, the RI is carried on the RE of the first OFDM symbol, The UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then divides the RI by the first part.
- the UE carries at least one of the ACK and the NACK to the second
- the RE of the OFDM symbol includes: the UE first carries the first part of the at least one of the ACK and the NACK to the RE and the third OFDM symbol of the uplink subframe according to the set sequence. And transmitting, on the RE of the 5 OFDM symbols, the second part of the OFDM and the NACK, except the first part, to the RE of the 2nd OFDM symbol of the uplink subframe and the 6th On the RE of the OFDM symbol.
- the UE carries the RI to the RE of the first OFDM symbol
- the UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then divides the RI by the first part.
- the UE carries at least one of the ACK and the NACK to the second
- the RE of the OFDM symbol includes: the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol of the uplink subframe, and the third OFDM symbol according to the set sequence RE, RE of the 5th OFDM symbol and RE of the 6th OFDM symbol.
- the UE In conjunction with the fourth possible implementation of the first aspect, the tenth possible implementation in the first aspect In the current mode, the UE carries the RI to the RE of the first OFDM symbol, including: the UE carries the RI to the first OFDM symbol of the uplink subframe according to the set sequence.
- the UE carries at least one of the ACK and the NACK to the second OFDM symbol
- the RE includes: the UE first carries the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol and the 5th OFDM symbol of the uplink subframe according to the set sequence On the RE, the second part except the first part of the at least one of the ACK and the NACK is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol on.
- the user equipment UE sends uplink control information according to the first uplink demodulation reference signal UL DMRS pattern.
- the UCI is carried on the resource-free RE in the uplink subframe, including: the UE carries the RI to the RE of the first OFDM symbol; and the UE uses the data of the CQI, the PMI, and the PUSCH At least one of the ACK and the NACK are not carried on the RE that does not carry the UL DMRS; and the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol, And covering at least one of CQI, PMI, and PUSCH data carried on the RE of the second OFDM symbol.
- the that the UE carries the RI to the RE of the first OFDM symbol includes: Transmitting, by the UE, the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol according to the set sequence, and then deleting the RI
- the second part other than the first part is carried to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol;
- the UE carries at least one of the ACK and the NACK to the At least one of CQI, PMI, and PUSCH data carried on the RE of the second OFDM symbol, and the UE includes the ACK in the set order.
- the second part other than the part carries the first OFDM symbol and the seventh symbol of the uplink subframe
- the RE of the RI is not carried on the RE, and the RE and the 3rd OFDM symbol carried in the 1st OFDM symbol are covered.
- the that the UE carries the RI to the RE of the first OFDM symbol includes: Transmitting, by the UE, the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol according to the set sequence, and then dividing the RI by the RI The second part except the first part is carried to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol; the UE carries at least one of the ACK and the NACK to the And at least one of the CQL PMI and the PUSCH data carried on the RE of the second OFDM symbol, including: the UE according to the set sequence At least one of the ACK and the NACK is carried in the first OFDM symbol of the uplink subframe, the RE that does not carry the RI, the RE that does not carry the RI in the third OFDM symbol, and
- the that the UE carries the RI to the RE of the first OFDM symbol includes: The UE carries the RI to the RE of the first OFDM symbol of the uplink subframe, the RE of the second OFDM symbol, the RE of the sixth OFDM symbol, and the seventh OFDM symbol according to the set sequence.
- the UE On the RE; the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol, and covers the data of the CQI, PMI, and PUSCH carried on the RE of the second OFDM symbol At least one of the foregoing, the UE first first carries the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the 5th according to the set sequence Carrying, on the RE of the OFDM symbol, the second part except the first part of the ACK and the NACK is carried in the first OFDM symbol of the uplink subframe, and the RI is not carried.
- the second OFDM symbol does not carry the RE of the RI
- the sixth OFDM symbol does not carry the
- the RE of the RI and the RE of the 7th OFDM symbol that are not carried by the RI are overwritten and carried over the first RE of OFDM symbol, RE of 2nd OFDM symbol, RE of 3rd OFDM symbol, RE of 5th OFDM symbol, RE of 6th OFDM symbol, CQI on RE of 7th OFDM symbol, PMI And at least one of the PUSCH data.
- the that the UE carries the RI to the RE of the first OFDM symbol includes: Transmitting, by the UE, the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then deleting the RI
- the second part other than the first part is carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol
- the UE carries at least one of the ACK and the NACK to the At least one of the CQI, the PMI, and the PUSCH data that is carried on the RE of the second OFDM symbol, and includes: the UE first according to the set order
- the first part of the at least one of the ACK and the NACK is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the at
- the second part other than the first part is carried to The RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and covers the RE carried in the second OFDM symbol, the RE of the third OFDM symbol, and the fifth OFDM At least one of the symbol RE and the CQI, PMI, and PUSCH data on the RE of the sixth OFDM symbol.
- the UE is configured to carry the RI to the RE of the first OFDM symbol, including: Transmitting, by the UE, the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then deleting the RI
- the second part other than the first part is carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol;
- the UE carries at least one of the ACK and the NACK to the At least one of the CQI, the PMI, and the PUSCH data carried on the RE of the second OFDM symbol, and the UE is in the order of the setting, At least one of the ACK and the NACK is carried to the RE of the 2nd OFDM symbol of the uplink subframe, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol
- the RI is carried on the RE of the first OFDM symbol, including: The UE carries the RI to the RE of the first OFDM symbol, the RE of the 7th OFDM symbol, the RE of the 8th OFDM symbol, and the ninth OFDM symbol of the uplink subframe according to the set sequence.
- the UE On the RE; the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol, and covers the data of the CQI, PMI, and PUSCH carried on the RE of the second OFDM symbol At least one of the foregoing, the UE first carries the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the 5th according to the set sequence And transmitting, on the RE of the OFDM symbol, the second part except the first part of the ACK and the NACK to the RE of the 2nd OFDM symbol and the 6th OFDM symbol of the uplink subframe On the RE, and overwrite the bearer in the second OFDM symbol RE, RE third data OFDM symbols, the CQI on the RE and RE 6 OFDM symbols fifth OFDM symbols, the PMI in the PUSCH, and at least one.
- the setting is in the order of: from the last carrier of the uplink subframe to the first carrier, in each carrier according to the first OFDM symbol
- the order of the REs to the REs on the last OFDM symbol carries data on the REs in the uplink subframe, the data including at least one of the UCI, and the UL DMRS.
- the method further includes: sending, by the UE, an indication to the base station And the indication information is used to indicate the RI, and the location of the RE occupied by at least one of the ACK and the NACK in the time-frequency resource of the uplink subframe.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- the embodiment of the present invention further provides an uplink control information transmission method, where an orthogonal frequency division multiplexing OFDM in an uplink subframe is used in a first uplink demodulation reference signal UL DMRS pattern.
- the RE in the symbol is used to carry the UL DMRS.
- the method includes: receiving, by the base station, an uplink subframe sent by the user equipment UE, where the resource element RE of the uplink subframe is according to the first uplink demodulation reference signal UL DMRS
- the mode carries the uplink control information UCI, where the OFDM symbol carrying the RE of the UCI is adjacent to the OFDM symbol in which the RE that carries the UL DMRS is located; and the base station acquires the bearer in the uplink according to the first UL DMRS pattern.
- the UCI in a subframe.
- the UL DMRS is carried on an RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes an RE of 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, a second An OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; in the uplink subframe, the ACK And at least one of the NACK and the NACK are carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, The 7th OFDM symbol, the 8th OFDM symbol, and the 9th OFDM symbol.
- the base station obtains the foregoing that is carried in the uplink subframe
- the UCI the base station acquires the RI that is carried on the RE of the first OFDM symbol, and the base station acquires at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol;
- the base station acquires at least one of the CQI, the PMI, and the data in the PUSCH that are carried on the first RE, where the first RE is not carrying the UL DMRS, does not carry the RI, and does not carry the ACK. Or NACK RE.
- the acquiring, by the base station, the RI that is carried in the RE of the first OFDM symbol includes: the base station acquiring an RE of a second OFDM symbol and a sixth OFDM carried in the uplink subframe a first portion of the RI on the RE of the symbol, and the RI of the RE of the first OFDM symbol and the RE of the seventh OFDM symbol carried in the uplink subframe except the first portion
- the second part the base station acquiring the at least one of the ACK and the NACK that is carried on the RE of the second OFDM symbol
- the method includes: acquiring, by the base station, a third OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE and the RE of the 5th OFDM symbol, and an RE of the 1st OFDM symbol and the RE of the 7th OFDM symbol carried in the uplink subframe a second portion of the at least one of the
- the acquiring, by the base station, the RI that is carried on the RE of the first OFDM symbol includes: Determining, by the base station, a first part of the RI that is carried on an RE of a second OFDM symbol of the uplink subframe and an RE of a sixth OFDM symbol, and a first OFDM symbol carried in the uplink subframe a second portion of the RI on the RE of the RE and the 7th OFDM symbol except the first portion; the base station acquiring the ACK and the NACK carried in the RE of the second OFDM symbol At least one of the following: the base station acquires an RE of the first OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and an RE of the seventh OFDM symbol that are carried in the uplink subframe At least one of the ACK and the NACK.
- the acquiring, by the base station, the RI that is carried on the RE of the first OFDM symbol includes: The base station acquires the RI that is carried in the RE of the first OFDM symbol of the uplink subframe, the RE of the second OFDM symbol, the RE of the sixth OFDM symbol, and the RE of the seventh OFDM symbol; Obtaining, by the base station, at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol, where: the base station acquires an RE and a fifth OFDM of a third OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE of the symbol, and an RE of the first OFDM symbol, an RE of the second OFDM symbol, and an RE of the sixth OFDM symbol carried in the uplink subframe And a second portion of the at least one of the ACK and the NACK on the RE of the 7th OFDM symbol except the
- the acquiring, by the base station, the RI that is carried on the RE of the first OFDM symbol includes: Obtaining, by the base station, a first part of the RI carried on an RE of a first OFDM symbol of the uplink subframe and an RE of a seventh OFDM symbol, and an eighth OFDM symbol carried in the uplink subframe a second part of the RI on the RE of the RE and the 9th OFDM symbol except the first part; the base station acquiring the ACK and NACK carried in the RE of the second OFDM symbol At least one of: the base station acquires a first part of the at least one of the ACK and the NACK that is carried on the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and is carried in a second portion of the at least one of the ACK and the NACK on the RE of the second OFDM symbol of the uplink subframe and the ACK and the N
- the acquiring, by the base station, the RI that is carried on the RE of the first OFDM symbol includes: Obtaining, by the base station, a first part of the RI carried on an RE of a first OFDM symbol of the uplink subframe and an RE of a seventh OFDM symbol, and an eighth OFDM symbol carried in the uplink subframe a second part of the RI on the RE of the RE and the 9th OFDM symbol except the first part; the base station acquiring the ACK and NACK carried in the RE of the second OFDM symbol At least one of the following: the base station acquires an RE of a second OFDM symbol, an RE of a third OFDM symbol, an RE of a fifth OFDM symbol, and an RE of a sixth OFDM symbol that are carried in the uplink subframe At least one of the ACK and the NACK.
- the acquiring, by the base station, the RI that is carried on the RE of the first OFDM symbol includes: The base station acquires the RI that is carried in the RE of the first OFDM symbol of the uplink subframe, the RE of the seventh OFDM symbol, the RE of the eighth OFDM symbol, and the RE of the ninth OFDM symbol; Obtaining, by the base station, at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol, where: the base station acquires an RE and a fifth OFDM of a third OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK in the RE of the symbol, and at least one of the ACK and NACK carried on the RE of the 2nd OFDM symbol and the 6th OFDM symbol of the uplink subframe a second portion of one other than the first portion.
- the indication information is used to indicate that the RI and the location of the RE occupied by at least one of the ACK and the NACK in the time-frequency resource of the uplink subframe; the base station acquires the bearer in the first OFDM symbol
- the RI on the RE includes: the base station acquiring, according to the indication information, the RI carried on an RE of the first OFDM symbol; and the base station acquiring, on the RE of the second OFDM symbol At least one of the ACK and the NACK, the base station acquiring, according to the indication information, at least one of the ACK and the NACK carried on the RE of the second OFDM symbol.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- the embodiment of the present invention further provides an uplink control information transmission method, in a first uplink demodulation reference signal UL DMRS pattern, a resource in an orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe
- the element RE is used to carry the UL DMRS, or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, two of the second uplink subframes All the OFDM symbols are used to carry the UL DMRS.
- the method includes: the user equipment UE receives the trigger information sent by the base station, where the trigger information is used to trigger the UE to send the first according to the first UL DMRS pattern.
- the second uplink subframe is sent to the base station.
- the trigger information is downlink control information DCI, where the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE according to the Transmitting the first uplink subframe into a UL DMRS pattern to transmit the second uplink subframe according to the second UL DMRS pattern.
- the trigger information is a DCI indication corresponding to the uplink subframe, and a channel status information request CSI request in the DCI indication is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe to transmitting the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, where the format of the PDCCH is used for uplink Scheduled DCI format.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel (PUCCH), and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the first uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the embodiment of the present invention further provides an uplink control information transmission method, where resources in one orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe are in a first uplink demodulation reference signal UL DMRS pattern.
- the element RE is used to carry the UL DMRS, or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, two of the second uplink subframes All the OFDM symbols are used to carry the UL DMRS.
- the method includes: the base station sends the trigger information to the user equipment UE, where the trigger information is used to trigger the UE to send the first according to the first UL DMRS pattern.
- the trigger information is downlink control information DCI, where the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE according to the Transmitting the first uplink subframe into a UL DMRS pattern to transmit the second uplink subframe according to the second UL DMRS pattern.
- the trigger information is a DCI indication corresponding to the uplink subframe
- a channel status information request CSI request in the DCI indication is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe into a basis
- the second UL DMRS pattern transmits the second uplink subframe.
- the DCI indication is carried in a physical downlink control channel PDCCH, where the format of the PDCCH is used for uplink Scheduled DCI format.
- the DCI format used for uplink scheduling includes at least one of the following: DCI format 0 or DCI format 4 .
- the first uplink subframe is a subframe that carries a physical uplink control channel (PUCCH), and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the first uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel (PUCCH), and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the embodiment of the present invention provides a user equipment UE, in a first uplink demodulation reference signal UL DMRS pattern, a resource element RE in an orthogonal frequency division multiplexing OFDM symbol in an uplink subframe is used for carrying
- the UE includes: a bearer unit, configured to carry uplink control information UCI to an RE in the uplink subframe according to the first UL DMRS pattern, and carry an OFDM symbol in which the RE of the UCI is located And a sending unit, configured to send, by the carrying unit, an uplink subframe that is sent by the bearer unit and that carries the UCI to the base station.
- the UL DMRS is carried on an RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of the following: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, 2 OFDM symbols, a 3rd OFDM symbol, a 5th OFDM symbol, a 6th OFDM symbol, a 7th OFDM symbol, an 8th OFDM symbol, and a 9th OFDM symbol; in the uplink subframe, At least one of the ACK and the NACK is carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM Symbol, 7th OFDM symbol, 8th OFDM symbol, and 9th OFDM symbol.
- the carrying unit is specifically configured to carry the RI to an RE of the first OFDM symbol, Carrying at least one of the ACK and the NACK to the RE of the second OFDM symbol, and carrying at least one of the data of the CQI, the PMI, and the PUSCH to the first RE, where the first RE is The RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or NACK.
- the carrying unit is specifically configured to first carry the first part of the RI to the Carrying the second part of the RI except the first part to the first part of the uplink subframe, and the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol The RE of the OFDM symbol and the RE of the 7th OFDM symbol; and, in the set order, first transmit the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe And transmitting, on the RE of the fifth OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the first OFDM symbol and the seventh symbol of the uplink subframe
- the RE of the RI is not carried in the RE.
- the carrying unit is specifically configured to carry the first part of the RI to the bearer in the set sequence And transmitting, in the RE of the second OFDM symbol and the RE of the sixth OFDM symbol, the second part of the RI except the first part to the first part of the uplink subframe The RE of the OFDM symbol and the RE of the 7th OFDM symbol; and carrying the at least one of the ACK and the NACK to the 1st OFDM symbol of the uplink subframe is not carried according to the set order
- the RE of the RI, the third OFDM symbol does not carry the RI
- the RE, the 5th OFDM symbol does not carry the RE of the RI and the RE of the 7th OFDM symbol that does not carry the RI.
- the carrying unit is specifically configured to carry the RI to the uplink subframe according to a set sequence
- the first part of the at least one is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the at least one of the ACK and the NACK is divided by the first part
- the second part of the second OFDM symbol carried in the uplink subframe does not carry the RE of the RI, the RE of the second OFDM symbol that does not carry the RI, and the sixth OFDM symbol
- the carrying unit is specifically configured to first carry the first part of the RI to the Transmitting the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and transmitting the second part of the RI except the first part to the eighth of the uplink subframe The RE of the OFDM symbol and the RE of the ninth OFDM symbol; and first transmitting the first part of the at least one of the ACK and the NACK to the third OFDM symbol of the uplink subframe according to the set order RE of the RE and the 5th OFDM symbol, and then carrying the second part of the ACK and the NACK except the first part to the RE of the 2nd OFDM symbol of the uplink subframe And on the RE of the sixth OFDM symbol.
- the carrying unit is specifically configured to first carry the first part of the RI to the Transmitting the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and transmitting the second part of the RI except the first part to the eighth of the uplink subframe And the RE of the OFDM symbol and the RE of the ninth OFDM symbol; and carrying at least one of the ACK and the NACK to the RE of the second OFDM symbol of the uplink subframe, and the third The RE of the OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol.
- the bearer unit is specifically configured to carry the RI to the RE of the first OFDM symbol, the RE of the seventh OFDM symbol, and the eighth OFDM symbol of the uplink subframe according to the set sequence.
- RE and the RE of the ninth OFDM symbol ; and first carrying the first part of the at least one of the ACK and the NACK to the RE and the third OFDM symbol of the uplink subframe according to the set order And transmitting, on the RE of the 5 OFDM symbols, the second part except the first part of the ACK and the NACK, and the 6th of the 2nd OFDM symbol of the uplink subframe On the RE of the OFDM symbol.
- the carrying unit is specifically configured to carry the RI to the RE of the first OFDM symbol Transmitting at least one of the CQI, PM, and PUSCH data to an RE that does not carry the UL DMRS and an RE that does not carry the RI, and carries at least one of the ACK and the NACK to the At least one of CQI, PMI, and PUSCH data carried on the RE of the second OFDM symbol is covered on the RE of the second OFDM symbol.
- the carrying unit is specifically used by the UE to first perform the first part of the RI according to a set sequence Carrying the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and carrying the second part of the RI except the first part to the uplink subframe
- the RE of the 1st OFDM symbol and the RE of the 7th OFDM symbol ; and first transmit the first part of the at least one of the ACK and the NACK to the 3rd OFDM symbol of the uplink subframe according to the set order Carrying, on the RE of the RE and the 5th OFDM symbol, carrying the second part except the first part of the ACK and the NACK to the 1st OFDM symbol and the first part of the uplink subframe
- the REs of the RI are not carried in the 7 symbols, and the REs carried in the 1st OFDM symbol, the RE of the 3rd OFDM symbol, the RE
- the carrying unit is specifically configured to first carry the first part of the RI according to a set sequence Carrying the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and carrying the second part of the RI except the first part to the uplink subframe
- the carrying unit is specifically configured to carry the RI to the uplink according to a set sequence
- the carrying unit is specifically configured to first carry the first part of the RI according to a set sequence And to the RE of the first OFDM symbol and the RE of the seventh OFDM symbol of the uplink subframe, and the second part of the RI except the first part is carried to the first subframe of the uplink subframe 8 REs of OFDM symbols and REs of ninth OFDM symbols; and first transmitting the first part of at least one of the ACK and NACK to the third of the uplink subframes in the set order And transmitting, by the RE of the OFDM symbol and the RE of the fifth OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the second OFDM symbol of the uplink subframe RE and the RE of the sixth OFDM symbol, and covering the RE carried in the second OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM
- the carrying unit is specifically configured to first carry the first part of the RI according to a set sequence And to the RE of the first OFDM symbol and the RE of the seventh OFDM symbol of the uplink subframe, and the second part of the RI except the first part is carried to the first subframe of the uplink subframe 8 RE of the OFDM symbol and RE of the 9th OFDM symbol; and carrying at least one of the ACK and the NACK to the RE of the 2nd OFDM symbol of the uplink subframe according to the set order
- the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the RE of the sixth OFDM symbol and covers the RE carried in the second OFDM symbol, the RE of the third OFDM symbol, and the fifth At least one of the RE of the OFDM symbol and the CQI, PMI, and PUSCH data on the RE of the sixth OFDM symbol.
- the carrying unit is specifically configured to carry the RI to the uplink according to a set sequence
- the first part of at least one of the NACKs is carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the first part of the ACK and the NACK are divided by the first part
- the second part is carried on the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and covers the RE and the 3rd OFDM carried in the 2nd OFDM symbol At least one of a symbol RE, an RR of a fifth OFDM symbol, and a CQI, a PMI, and a
- the setting is in the order of: from the last carrier of the uplink subframe to the first carrier, in each carrier according to the first OFDM symbol
- the order of the REs to the REs on the last OFDM symbol carries data on the REs in the uplink subframe, the data including at least one of the UCI, and the UL DMRS.
- the sending unit is further configured to The base station sends the indication information, where the indication information is used to indicate the RI, and the location of the RE occupied by at least one of the ACK and the NACK in the time-frequency resource of the uplink subframe.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- an embodiment of the present invention provides a base station, where an RE in an orthogonal frequency division multiplexing OFDM symbol in an uplink subframe is used to carry the UL DMRS in a first uplink demodulation reference signal UL DMRS pattern.
- the base station includes: a receiving unit, configured to receive an uplink subframe sent by the user equipment UE, where the resource element RE of the uplink subframe carries uplink control information UCI according to the first uplink demodulation reference signal UL DMRS pattern And the OFDM symbol of the RE that carries the UCI is adjacent to the OFDM symbol where the RE that carries the UL DMRS is located, and the acquiring unit is configured to acquire, according to the first UL DMRS pattern, the bearer received by the receiving unit according to the first UL DMRS pattern.
- the UCI in the uplink subframe configured to receive an uplink subframe sent by the user equipment UE, where the resource element RE of the uplink subframe carries uplink control information UCI according to the first uplink demodulation reference signal UL DMRS pattern And the OFDM symbol of the RE that carries the UCI is adjacent to the OFDM symbol where the RE that carries the UL DMRS is located, and the acquiring unit is configured to acquire, according to the first UL
- the UL DMRS is carried on a RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes an RE of 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, a second An OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; in the uplink subframe, the ACK And at least one of the NACK and the NACK are carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, The 7th OFDM symbol, the 8th OFDM symbol, and the 9th OFDM symbol.
- the acquiring unit is specifically configured to acquire the RI that is carried on an RE of the first OFDM symbol Obtaining at least one of the ACK and the NACK carried on the RE of the second OFDM symbol, and acquiring at least one of the CQI, the PMI, and the data in the PUSCH that are carried on the first RE,
- the first RE is an RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or NACK.
- the acquiring unit is specifically configured to acquire a RE of the second OFDM symbol carried in the uplink subframe And the first part of the RI on the RE of the 6th OFDM symbol, and the RI carried in the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol a second portion other than the first portion; and acquiring a first portion of at least one of the ACK and the NACK carried on the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and And a second portion other than the first portion of the at least one of the ACK and the NACK that are carried on the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol.
- the acquiring unit is specifically configured to acquire an RE of the second OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 6th OFDM symbol, and the RI carried in the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol a second part other than the first part; and acquiring an RE of the 1st OFDM symbol carried in the uplink subframe, an RE of the 3rd OFDM symbol, an RE of the 5th OFDM symbol, and an RE of the 7th OFDM symbol At least one of the ACK and the NACK.
- the acquiring unit is specifically configured to acquire the RI that is carried on the RE of the first OFDM symbol
- the base station includes, by the base station, the RE that is carried in the first OFDM symbol of the uplink subframe, the RE of the second OFDM symbol, the RE of the sixth OFDM symbol, and the RE of the second OFDM symbol.
- the RE of the 1st OFDM symbol, the RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the RE of the 7th OFDM symbol a second portion of at least one of the ACK and the NACK except the first portion.
- the acquiring unit is specifically configured to acquire the RI that is carried on an RE of the first OFDM symbol
- the base station acquires a first part of the RI that is carried in the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and is carried in the eighth part of the uplink subframe.
- the acquiring unit is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 7th OFDM symbol, and the RI carried on the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol a second part other than the first part; and acquiring the RE of the 2nd OFDM symbol carried in the uplink subframe, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol At least one of the ACK and the NACK.
- the acquiring unit is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe And an RE of the 7th OFDM symbol, an RE of the 8th OFDM symbol, and the RI of the RE of the 9th OFDM symbol; and acquiring the RE and the 5th of the 3rd OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK in the RE of the OFDM symbol, and the ACK and NACK carried on the RE of the 2nd OFDM symbol and the 6th OFDM symbol of the uplink subframe a second portion of at least one other than the first portion.
- the receiving unit is further configured to receive, by the UE, Instructing information, where the indication information is used to indicate a location of an RI occupied by at least one of the RI and the ACK and the NACK in a time-frequency resource of the uplink subframe; And acquiring, by the indication information received by the receiving unit, the RI that is carried on the RE of the first OFDM symbol; acquiring, according to the indication information received by the receiving unit, the bearer in the At least one of the ACK and the NACK on the RE of the two OFDM symbols.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- the embodiment of the present invention further provides a user equipment UE, in a first uplink demodulation reference signal UL DMRS pattern, a resource in an orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe.
- the element RE is used to carry the UL DMRS, or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, two of the second uplink subframes All the OFDM symbols are used to carry the UL DMRS.
- the UE includes: a receiving unit, configured to receive trigger information sent by the base station, where the trigger information is used to trigger the UE to send according to the first UL DMRS pattern.
- the sending unit configured to use, according to the trigger information received by the receiving unit, according to the second UL DMRS
- the mode transmits the uplink control information UCI to the second uplink subframe and sends the uplink control information to the base station.
- the trigger information is downlink control information
- the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to be converted according to the second UL DMRS pattern. Sending the second uplink subframe.
- the trigger information is a DCI indication corresponding to the uplink subframe
- a channel status information request CSI request in the DCI indication is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe to transmitting the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, where the format of the PDCCH is used for uplink Scheduled DCI format.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a bearer physics a subframe of the uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the first uplink subframe; the trigger information is further used to indicate that the UE is in the first uplink subframe The scheduling information of the PUSCH is transmitted.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the embodiment of the present invention further provides a base station, where the first uplink demodulation reference signal UL
- a resource element RE in one orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe is used to carry a UL DMRS, or a partial RE in two OFDM symbols in a first uplink subframe is used.
- the base station includes: a sending unit, configured to the user equipment UE Transmitting the triggering information, where the triggering information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern; a unit, configured to receive the
- the acquiring unit configured to acquire, according to the second UL DMRS pattern, the bearer in the second uplink subframe received by the receiving unit, according to the second UL DMRS pattern.
- the UCI configured to acquire, according to the second UL DMRS pattern, the bearer in the second uplink subframe received by the receiving unit, according to the second UL DMRS pattern.
- the trigger information is downlink control information DCI, where the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE according to the Transmitting, by the UL DMRS pattern, the first uplink subframe to be according to the second UL
- the DMRS pattern transmits the second uplink subframe.
- the trigger information is a DCI indication corresponding to the uplink subframe
- a channel status information request CSI request in the DCI indication is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe to transmitting the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, where the format of the PDCCH is used for uplink Scheduled DCI format.
- the DCI format used for uplink scheduling includes at least one of the following: DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the first uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel (PUCCH), and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second uplink.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the embodiment of the present invention further provides a user equipment UE, in a first uplink demodulation reference signal UL DMRS pattern, a resource element RE in one orthogonal frequency division multiplexing OFDM symbol in one uplink subframe is used for Carrying the UL DMRS;
- the UE includes: a processor, configured to carry uplink control information UCI to the RE in the uplink subframe according to the first UL DMRS pattern, and carry the OFDM where the RE of the UCI is located The symbol is adjacent to the OFDM symbol in which the RE that carries the UL DMRS is located; the transmitter is configured to send, by the processor, an uplink subframe that carries the UCI to the base station.
- the UL DMRS is carried on an RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, a second An OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; in the uplink subframe, the ACK And at least one of the NACKs is carried below Less than two REs of the second OFDM symbol: 1st OFDM symbol, 2nd OFDM symbol, 3rd OFDM symbol, 5th OFDM symbol, 6th OFDM symbol, 7th OFDM symbol, 8th OFDM symbol and ninth OFDM symbol.
- the processor is specifically configured to carry the RI to an RE of the first OFDM symbol; Carrying at least one of the ACK and the NACK to the RE of the second OFDM symbol; and carrying at least one of the data of the CQI, the PM, and the PUSCH to the first RE, where the first RE is An RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or NACK.
- the processor is specifically configured to first carry the first part of the RI to the Transmitting the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and carrying the second part of the RI except the first part to the first part of the uplink subframe And the RE of the OFDM symbol and the RE of the 7th OFDM symbol; and, in the set order, first transmit the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe And transmitting, on the RE of the fifth OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the first OFDM symbol and the seventh symbol of the uplink subframe
- the RE of the RI is not carried in the RE.
- the processor is specifically configured to carry the first part of the RI to the bearer according to the set sequence And transmitting, in the RE of the second OFDM symbol and the RE of the sixth OFDM symbol, the second part of the RI except the first part to the first part of the uplink subframe The RE of the OFDM symbol and the RE of the 7th OFDM symbol; and carrying the at least one of the ACK and the NACK to the 1st OFDM symbol of the uplink subframe is not carried according to the set order
- the RE of the RI, the third OFDM symbol does not carry the RE of the RI, the fifth OFDM symbol does not carry the RE of the RI, and the RE of the seventh OFDM symbol that does not carry the RI.
- the processor is configured to carry the RI to the uplink subframe according to a set sequence RE of the first OFDM symbol, RE of the second OFDM symbol, and the sixth OFDM The RE of the symbol and the RE of the 7th OFDM symbol; and first transmitting the first part of the at least one of the ACK and the NACK to the 3rd OFDM symbol of the uplink subframe according to the set order Carrying, on the RE of the RE and the 5th OFDM symbol, carrying the second part except the first part of the ACK and the NACK to be carried in the 1st OFDM symbol of the uplink subframe
- the RE of the RI, the RE that does not carry the RI in the second OFDM symbol, the RE that does not carry the RI in the sixth OFDM symbol, and the RI that does not carry the RI in the seventh OFDM symbol On RE.
- the processor is specifically configured to first carry the first part of the RI to the Transmitting the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and then carrying the second part of the RI except the first part to the eighth of the uplink subframe The RE of the OFDM symbol and the RE of the ninth OFDM symbol; and first transmitting the first part of the at least one of the ACK and the NACK to the third OFDM symbol of the uplink subframe according to the set order RE of the RE and the 5th OFDM symbol, and then carrying the second part of the at least one of the ACK and the NACK except the first part to the RE of the 2nd OFDM symbol of the uplink subframe And on the RE of the sixth OFDM symbol.
- the processor is specifically configured to first carry the first part of the RI to the Transmitting the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and then carrying the second part of the RI except the first part to the eighth of the uplink subframe And the RE of the OFDM symbol and the RE of the ninth OFDM symbol; and carrying at least one of the ACK and the NACK to the RE of the second OFDM symbol of the uplink subframe, and the third The RE of the OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol.
- the processor is configured to carry the RI to the uplink subframe according to a set sequence
- the first part of at least one of the at least one is carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol
- the ACK and the NACK are The second portion of at least one of the first portion except the first portion is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol.
- the processor is specifically configured to carry the RI to the RE of the first OFDM symbol Transmitting at least one of the data of the CQI, the PMI, and the PUSCH to an RE that does not carry the UL DMRS and an RE that does not carry the RI, and carries at least one of the ACK and the NACK to the At least one of CQI, PMI, and PUSCH data carried on the RE of the second OFDM symbol is covered on the RE of the second OFDM symbol.
- the processor is specifically configured to first carry the first part of the RI according to a set sequence And the second part of the RI except the first part is carried to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol 1 RE of the OFDM symbol and RE of the 7th OFDM symbol; and first carrying the first part of the at least one of the ACK and the NACK to the 3rd OFDM symbol of the uplink subframe according to the set order Carrying, on the RE of the RE and the 5th OFDM symbol, carrying the second part except the first part of the ACK and the NACK to the 1st OFDM symbol and the 7th of the uplink subframe
- the REs of the RI are not carried in the symbols, and cover the REs of the first OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the second OFDM symbol. At least CQI, PMI,
- the processor is specifically configured to first carry the first part of the RI according to a set sequence Carrying the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and carrying the second part of the RI except the first part to the uplink subframe And the RE of the first OFDM symbol and the RE of the seventh OFDM symbol; and carrying at least one of the ACK and the NACK to the first OFDM symbol of the uplink subframe according to the set order
- the RE that carries the RI, the RE that does not carry the RI in the third OFDM symbol, the RE that does not carry the RI in the fifth OFDM symbol, and the RI in the seventh OFDM symbol are not carried.
- the RE that is carried in the first OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the second OFDM symbol are covered.
- the processor is specifically configured to carry the RI to the uplink according to a set sequence
- the processor is specifically configured to first carry the first part of the RI according to a set sequence And to the RE of the first OFDM symbol and the RE of the seventh OFDM symbol of the uplink subframe, and the second part of the RI except the first part is carried to the first subframe of the uplink subframe 8 REs of OFDM symbols and REs of ninth OFDM symbols; and first transmitting the first part of at least one of the ACK and NACK to the third of the uplink subframes in the set order And transmitting, by the RE of the OFDM symbol and the RE of the fifth OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the second OFDM symbol of the uplink subframe RE and the RE of the sixth OFDM symbol, and covering the RE carried in the second OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol
- the processor is specifically configured to first carry the first part of the RI according to a set sequence And the second part of the RI except the first part is carried to the uplink subframe to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol.
- the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol carrying at least one of the ACK and the NACK to the 2nd OFDM symbol of the uplink subframe according to the set order RE, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the RE of the sixth OFDM symbol, and covers the RE carried in the second OFDM symbol, the RE of the third OFDM symbol, At least one of the RE of the 5th OFDM symbol and the CQI, PMI, and PUSCH data on the RE of the 6th OFDM symbol.
- the processor is specifically configured to carry the RI to the uplink according to a set sequence
- the first part of at least one of the NACKs is carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the first part of the ACK and the NACK are divided
- the second part is carried on the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and covers the RE and the 3rd OFDM carried in the 2nd OFDM symbol
- the setting is in the order of: from the last carrier of the uplink subframe to the first carrier, in each carrier according to the first OFDM symbol
- the order of the REs to the REs on the last OFDM symbol carries data on the REs in the uplink subframe, the data including at least one of the UCI, and the UL DMRS.
- the transmitter is further configured to send to the base station
- the indication information is used to indicate the RI, and the location of the RE occupied by at least one of the ACK and the NACK in the time-frequency resource of the uplink subframe.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- the embodiment of the present invention further provides a base station, where an RE in an orthogonal frequency division multiplexing OFDM symbol in an uplink subframe is used to carry the UL in a first uplink demodulation reference signal UL DMRS pattern.
- the base station includes: a receiver, configured to receive an uplink subframe sent by the user equipment UE, where the resource element RE of the uplink subframe carries uplink control information according to the first uplink demodulation reference signal UL DMRS pattern a UCI, where the OFDM symbol carrying the RE of the UCI is adjacent to an OFDM symbol in which the RE of the UL DMRS is located, and a processor, configured to acquire, according to the first UL DMRS pattern, a bearer received at the receiver according to the first UL DMRS pattern. Said UCI in the uplink subframe.
- the UL DMRS is carried on an RE of a fourth OFDM symbol of the uplink subframe, and the uplink subframe includes an RE of 14 OFDM symbols.
- the RE of the UL DMRS and the UCI are not carried. Also carried is at least one of: a channel quality indicator CQI, a precoding matrix indicator PMI, and data in a physical uplink shared channel PUSCH.
- the UCI includes the following At least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on an RE of at least two first OFDM symbols: a first OFDM symbol, a second An OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; in the uplink subframe, the ACK And at least one of the NACK and the NACK are carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, The 7th OFDM symbol, the 8th OFDM symbol, and the 9th OFDM symbol
- the processor is specifically configured to acquire the RI that is carried on an RE of the first OFDM symbol Obtaining at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol, and acquiring at least one of the CQI, the PMI, and the data in the PUSCH that are carried on the first RE, where The first RE is not carrying the UL DMRS, and does not carry the RI and And the RE of the ACK or NACK is not carried.
- the processor is specifically configured to acquire an RE of a second OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 6th OFDM symbol, and the RI carried in the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol a second portion other than the first portion; and acquiring a first portion of at least one of the ACK and the NACK carried on the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and And a second part other than the first part of the at least one of the ACK and the NACK of the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol.
- the processor is specifically configured to acquire an RE of a second OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 6th OFDM symbol, and the RI carried in the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol a second part other than the first part; and acquiring an RE of the first OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and an RE of the seventh OFDM symbol carried in the uplink subframe At least one of the ACK and the NACK.
- the processor is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe The RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the RI of the RE of the 7th OFDM symbol; and acquires the RE and the 5th of the 3rd OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE of the OFDM symbol, and an RE of the first OFDM symbol, an RE of the second OFDM symbol, and a sixth OFDM symbol carried in the uplink subframe And a second portion of the at least one of the ACK and the NACK on the RE of the 7th OFDM symbol except the first portion.
- the processor is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 7th OFDM symbol, and the RI carried on the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol a second part other than the first part; and acquiring the third one carried in the uplink subframe a first portion of at least one of the OFDM and the NACK on the RE of the OFDM symbol and the RE of the 5th OFDM symbol, and the RE of the 2nd OFDM symbol and the 6th OFDM symbol carried in the uplink subframe a second portion of the at least one of the ACK and NACK on the RE other than the first portion.
- the processor is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe And the first part of the RI on the RE of the 7th OFDM symbol, and the RI carried on the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol a second part other than the first part; and acquiring an RE of the 2nd OFDM symbol carried in the uplink subframe, an RE of the 3rd OFDM symbol, an RE of the 5th OFDM symbol, and an RE of the 6th OFDM symbol At least one of the ACK and the NACK.
- the processor is specifically configured to acquire an RE of the first OFDM symbol that is carried in the uplink subframe The RE of the 7th OFDM symbol, the RE of the 8th OFDM symbol, and the RI of the RE of the 9th OFDM symbol; and acquires the RE and the 5th of the 3rd OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK in the RE of the OFDM symbol, and the ACK and NACK carried on the RE of the 2nd OFDM symbol and the 6th OFDM symbol of the uplink subframe a second portion of at least one other than the first portion.
- the receiver is further configured to receive, by the UE, Instructing information, the indication information is used to indicate a location of the RE of the RI and at least one of the ACK and the NACK in a time-frequency resource of the uplink subframe;
- the processor is specifically configured to receive according to the Obtaining the RI received on the RE of the first OFDM symbol by the indication information received by the device, and acquiring, according to the indication information received by the receiver, the bearer on the RE of the second OFDM symbol At least one of ACK and NACK.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, Resource block group.
- the embodiment of the present invention further provides a user equipment UE, where the first uplink demodulation parameter In the UL DMRS pattern, a resource element RE in one orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe is used to carry a UL DMRS, or a part of two OFDM symbols in a first uplink subframe.
- the RE is used to carry the UL DMRS; in the second UL DMRS pattern, all REs of the two OFDM symbols in one second uplink subframe are used to carry the UL DMRS; the UE includes: a receiver, configured to receive And receiving the trigger information sent by the base station, where the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern, and send the second uplink sub-frame according to the second UL DMRS pattern. And a transmitter, configured to send the uplink control information UCI to the second uplink subframe according to the trigger information received by the receiver, and send the uplink control information UCI to the base station according to the second UL DMRS pattern.
- the trigger information is downlink control information DCI;
- the DCI includes a 1-bit indicator bit, and the 1-bit indicator bit is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe to transmitting the second uplink subframe according to the second UL DMRS pattern.
- the trigger information is a DCI indication corresponding to the uplink subframe
- the channel status information requesting the CSI request in the DCI indication is used to trigger the UE according to the Transmitting the first uplink subframe to the first UL DMRS pattern to transmit the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, where the format of the PDCCH is DCI format for uplink scheduling.
- the DCI format used for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the first frame.
- the uplink information is transmitted on the uplink subframe.
- the trigger information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second Transmitting on an uplink subframe; the trigger information is further used to indicate that the UE is in The second uplink subframe sends scheduling information of the PUSCH.
- the embodiment of the present invention further provides a base station, in a first uplink demodulation reference signal UL DMRS pattern, a resource element RE in an orthogonal frequency division multiplexing OFDM symbol in a first uplink subframe Carrying a UL DMRS, or a partial RE of two OFDM symbols in a first uplink subframe is used to carry a UL DMRS; in the second UL DMRS pattern, two OFDM symbols in a second uplink subframe All the REs are used to carry the UL DMRS; the base station includes: a transmitter, configured to send, to the user equipment UE, trigger information, where the trigger information is used to trigger the UE to send the first according to the first UL DMRS pattern An uplink subframe is configured to send the second uplink subframe according to the second UL DMRS pattern, and a receiver is configured to receive the second uplink subframe that is sent by the UE according to the second UL DMRS pattern; a processor, configured to acquire
- the trigger information is downlink control information DCI;
- the DCI includes a 1-bit indicator bit, and the 1-bit indicator bit is used to trigger the UE according to the Transmitting, by the first UL DMRS pattern, the first uplink subframe to transmitting the second uplink subframe according to the second UL DMRS pattern.
- the trigger information is a DCI indication corresponding to the uplink subframe
- the channel status information requesting the CSI request in the DCI indication is used to trigger the UE according to the Transmitting the first uplink subframe to the first UL DMRS pattern to transmit the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, and the format of the PDCCH is DCI format for uplink scheduling.
- the DCI format for uplink scheduling includes at least one of the following: DCI format 0 or DCI Format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the first frame.
- the uplink information is transmitted on the uplink subframe.
- the trigger information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot simultaneously be in the second
- the uplink information is transmitted on the uplink subframe.
- the trigger information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the UCI is carried on the RE in the uplink subframe according to the first UL DMRS pattern, and the OFDM symbol carrying the UCI RE and the UL DMRS are carried.
- the OFDM symbol in which the RE is located is adjacent to each other; the UE transmits the uplink subframe that carries the UCI to the base station, because the UCI is carried in a position adjacent to the UL DMRS in one uplink subframe, thereby improving the demodulation performance of the base station to the UCI. This in turn increases data transfer rates and network throughput.
- FIG. 1 is a schematic diagram of a UCI transmission format in the prior art
- Embodiment 1 of an uplink control information transmission method according to the present invention
- Embodiment 2 is a flowchart of Embodiment 2 of an uplink control information transmission method according to the present invention.
- Embodiment 4 is a flowchart of Embodiment 4 of an uplink control information transmission method according to the present invention.
- Embodiment 5 is a flowchart of Embodiment 5 of an uplink control information transmission method according to the present invention.
- FIG. 6 is a first schematic diagram of a UCI transmission format provided by the present invention.
- FIG. 8 is a second schematic diagram of a UCI transmission format provided by the present invention.
- Embodiment 7 of an uplink control information transmission method according to the present invention.
- FIG. 10 is a third schematic diagram of a UCI transmission format provided by the present invention.
- Embodiment 8 is a flowchart of Embodiment 8 of an uplink control information transmission method according to the present invention.
- FIG. 12 is a fourth schematic diagram of a UCI transmission format provided by the present invention.
- 14 is a fifth schematic diagram of a UCI transmission format provided by the present invention.
- 15 is a flowchart of Embodiment 10 of an uplink control information transmission method according to the present invention.
- FIG. 16 is a sixth schematic diagram of a UCI transmission format provided by the present invention.
- FIG. 18 is a first schematic diagram of a first uplink subframe sent by a UE according to a first UL DMRS pattern in FIG. 17;
- FIG. 19 is a second schematic diagram of a first uplink subframe sent by the UE according to the first UL DMRS pattern in FIG. 17;
- 20 is a schematic diagram of a second uplink subframe sent by the UE according to the second UL DMRS pattern in FIG. 17;
- Embodiment 12 is a flowchart of Embodiment 12 of an uplink control information transmission method according to the present invention.
- FIG. 22 is a schematic structural diagram of Embodiment 1 of a UE according to the present invention.
- Embodiment 3 of a UE according to the present invention is a schematic structural diagram of Embodiment 3 of a UE according to the present invention.
- Embodiment 1 of a base station is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
- FIG. 25 is a schematic structural diagram of Embodiment 3 of a base station according to the present invention.
- FIG. 26 is a schematic structural diagram of Embodiment 4 of a UE according to the present invention.
- FIG. 27 is a schematic structural diagram of Embodiment 6 of a UE according to the present invention.
- FIG. 28 is a schematic structural diagram of Embodiment 4 of a base station according to the present invention.
- FIG. 29 is a schematic structural diagram of Embodiment 6 of a base station according to the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
- the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
- the transmission format of UCI in one subframe is as shown in Figure 1.
- at least one of the RI, the ACK, and the NACK in the UCI is carried on both sides of the UL DMRS, so that the base station can perform channel estimation more accurately, and ensure demodulation performance of at least one of ACK, NACK, and RI, and further Increase data transfer rates and Network throughput.
- Embodiment 1 of an uplink control information transmission method is a flowchart of Embodiment 1 of an uplink control information transmission method according to the present invention. As shown in FIG. 2, the method in this embodiment may be performed by a user equipment (User Equipment, UE for short), and the method in this embodiment may include :
- UE User Equipment
- the S10K UE is based on the first uplink demodulation reference signal (Uplink Demodulation Reference signal (Uplink Demodulation Reference).
- UL DMRS Uplink Control Information
- RE Resource Element
- OFDM Orthogonal Frequency Division Multiplexing
- the UE sends the uplink subframe that carries the UCI to the base station.
- the REs in one OFDM symbol in one uplink subframe are used to carry the UL DMRS; in some application scenarios, the UL DMRS sent by the UE to the base station may be appropriately reduced, that is, the UE.
- the UL DMRS may be transmitted to the base station in the RE of one OFDM symbol in one uplink subframe, that is, the RE in one OFDM symbol in one uplink subframe in the first UL DMRS pattern transmits one UL DMRS, which is the first in this embodiment.
- the UL DMRS style can be a style of UL DMRS overhead reduction.
- the UE may appropriately reduce the transmitted UL DMRS to the base station, that is, the UE sends the UL DMRS on the RE of one OFDM symbol in one uplink subframe, and the uplink subframe may be The uplink subframe of the first UL DMRS pattern is adopted.
- the UE needs to send the UCI to the base station through the uplink subframe, the UE carries the UCI to the RE that adopts the uplink subframe according to the first UL DMRS pattern, and carries the OFDM symbol and the bearer where the RE of the UCI is located.
- the OFDM symbols in which the REs of the UL DMRS are located are adjacent.
- the UE sends the uplink subframe that carries the UCI to the base station, that is, the UE sends all the information in the time-frequency resource of the uplink subframe that carries the UCI to the base station.
- the base station may acquire the UCI carried on the RE of the OFDM symbol in the uplink subframe of the first UL DMRS pattern, because the OFDM symbol carrying the RE of the UCI in one uplink subframe and the RE carrying the UL DMRS are located The OFDM symbols are adjacent, so that the demodulation performance of the base station to UCI can be improved.
- the UE carries the UCI to the RE in the uplink subframe according to the first UL DMRS pattern, and the OFDM carrying the UCI RE is located.
- the symbol is adjacent to the OFDM symbol in which the RE that carries the UL DMRS is located; the UE transmits the uplink subframe that carries the UCI to the base station, because the UCI is carried in a position adjacent to the UL DMRS in one uplink subframe, thereby improving the base station pair.
- UCI's demodulation performance which in turn increases data transfer rates and network throughput.
- FIG. 3 is a flowchart of Embodiment 2 of an uplink control information transmission method according to the present invention.
- the method in this embodiment may be performed by a network side device (for example, a base station), and the method in this embodiment may include:
- the S20K base station receives the uplink subframe sent by the UE, and the RE of the uplink subframe carries the UCI according to the first UL DMRS pattern, and the OFDM symbol of the RE carrying the UCI is adjacent to the OFDM symbol of the RE carrying the UL DMRS.
- the base station acquires, according to the first UL DMRS pattern, a UCI carried in an uplink subframe.
- the RE in one OFDM symbol in one uplink subframe is used to carry the UL DMRS; the base station may receive the uplink subframe sent by the UE, and one OFDM symbol in the uplink subframe
- the RE is used to carry the UL DMRS. This is because the UL DMRS sent by the UE to the base station can be appropriately reduced in some application scenarios. For example, when the UE has a serving cell as a small cell, the UE can appropriately reduce the sent to the base station.
- the UL DMRS that is, the RE of the OFDM symbol of the UE in one uplink subframe transmits the UL DMRS
- the uplink subframe may be an uplink subframe adopting the first UL DMRS pattern.
- the first UL DMRS pattern in this embodiment may be a UL DMRS overhead reduction style.
- the UCI sent by the UE to the base station is also transmitted through the uplink subframe, and the OFDM symbol of the RE carrying the UCI is adjacent to the OFDM symbol where the RE carrying the UL DMRS is located, and then the base station can be according to the first UL DMRS pattern.
- the base station can be according to the first UL DMRS pattern.
- the uplink control information transmission method provided by the second embodiment of the present invention receives the uplink subframe that is sent by the UE by using the base station, and carries the UCI according to the first UL DMRS pattern on the RE of the uplink subframe, and the OFDM symbol and the bearer UL where the RE carrying the UCI is located.
- the OFDM symbol in which the RE of the DMRS is located is adjacent; the base station acquires the UCI carried in the uplink subframe according to the first UL DMRS pattern. Since the UCI is carried in a position adjacent to the UL DMRS in one uplink subframe, the demodulation performance of the base station to the UCI is improved, thereby improving the data transmission rate and the network throughput.
- the UL DMRS carries the fourth OFDM symbol (OFDM symbol) in the uplink subframe.
- the uplink subframe includes REs of 14 OFDM symbols.
- the time-frequency resource corresponding to one uplink subframe may include REs of 14 OFDM symbols, which are: 1st OFDM symbol (OFDM symbol 0), 2nd OFDM symbol (OFDM symbol 1), and 3rd OFDM symbol (OFDM symbol 2), 4th OFDM symbol (OFDM symbol 3), 5th OFDM symbol (OFDM symbol 4), 6th OFDM symbol (OFDM symbol 5), 7th OFDM symbol (OFDM symbol) 6), 8th OFDM symbol (OFDM symbol 7), ninth OFDM symbol (OFDM symbol 8), 10th OFDM symbol (OFDM symbol 9), 11th OFDM symbol (OFDM symbol 10), 12th OFDM symbol (OFDM symbol 11), 13th OFDM symbol (OFDM symbol 12), 14th OFDM symbol (OFDM symbol 13).
- the UE may carry one UL DMRS transmitted through the one uplink subframe to the RE of the fourth OFDM symbol of the uplink subframe.
- the base station can acquire the UL DMRS carried on the RE of the 4th OFDM symbol of the uplink subframe.
- the RE that does not carry the UL DMRS and the UCI further carries at least one of the following: a channel quality indicator CQI, a precoding matrix indicator, and a physical uplink shared channel PUSCH.
- the UCI of this embodiment includes at least one of the following: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in an uplink subframe, the RI is carried on the RE of at least two first OFDM symbols below : a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol; In the uplink subframe, at least one of the ACK and the NACK is carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, The sixth OFDM symbol, the seventh OFDM symbol, the eighth OFDM symbol, and the ninth OFDM symbol.
- the UCI of the embodiment may include an RI, and at least one of an ACK and a NACK, and the UE may carry the RI, and at least one of the ACK and the NACK into the uplink subframe, to form an uplink after the UCI is carried.
- Subframe the base station can acquire the RI, and at least one of the ACK and the NACK in the uplink subframe after the UCI is carried.
- the uplink control information transmission method provided by the third embodiment of the present invention is performed by the UE according to the first UL.
- the DMRS pattern carries the UCI to the RE in the uplink subframe, and the OFDM symbol in which the RE carrying the UCI is located is adjacent to the OFDM symbol in which the RE that carries the UL DMRS is located; and the uplink subframe that carries the UCI is sent to the base station.
- the base station may receive the uplink subframe that is sent by the UE, and the RE of the uplink subframe carries the UCI according to the first UL DMRS pattern, and the OFDM symbol of the RE that carries the UCI is adjacent to the OFDM symbol of the RE that carries the UL DMRS;
- a UL DMRS pattern acquires the UCI carried in the uplink subframe. Since the UCI is carried in a position adjacent to the UL DMRS in one uplink subframe, the demodulation performance of the base station to the UCI is improved, thereby improving the data transmission rate and the network throughput.
- Embodiment 4 is a flowchart of Embodiment 4 of an uplink control information transmission method according to the present invention. As shown in FIG. 4, the method in this embodiment may include:
- the S40K UE carries the RI onto the RE of the first OFDM symbol.
- the RE in one OFDM symbol in one uplink subframe is used to carry the UL DMRS; in the uplink subframe, the UE carries the RI in the UCI to the UL DMRS OFDM symbol.
- the UL DMRS OFDM symbol is an OFDM symbol carrying a UL DMRS
- the UL DMRS OFDM symbol is a fourth OFDM symbol, and thus at least two adjacent to the fourth OFDM symbol
- An OFDM symbol may be: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbols.
- the UE carries at least one of CQI, PMI, and PUSCH data to the un-bearing
- the UL DMRS RE is on and not on the RI RE.
- the UE carries the RI to the RE of the first OFDM symbol, and the UE carries at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS in the uplink subframe and the RI that does not carry the RI.
- all REs of the uplink subframe are carried by at least one of UL DMRS, RI, CQI, PMI, and PUSCH data.
- the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol, and covers at least one of the CQI, the PMI, and the PUSCH data carried on the RE of the second OFDM symbol.
- the UE after the UE carries at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS and the RE that does not carry the RI, the UE will be in the ACK and the NACK.
- the at least two second symbols adjacent to the symbol may be: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, a fifth OFDM symbol, a sixth OFDM symbol, a seventh OFDM symbol, 8 OFDM symbols and 9th OFDM symbols.
- the UE may carry at least one of the ACK and the NACK to the RE of the second OFDM symbol that does not carry the RI, but carries the data of the CQI, the PMI, and the PUSCH, when at least one of the ACK and the NACK is carried on the RE At least one of the CQI, PMI, and PUSCH data on the RE is overwritten.
- the UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires an RI that is carried on the RE of the first OFDM symbol.
- the base station acquires at least one of an ACK and a NACK carried on the RE of the second OFDM symbol.
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE.
- the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the eNB may acquire the RI carried in the RE of the first OFDM symbol, and may acquire at least one of the ACK and the NACK carried on the RE of the second OFDM symbol, and may also Obtaining at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the order of execution of S406, S407, and S408 is not limited in the embodiment of the present invention.
- the implementation process of S401-S403 may be: the UE carries the RI to the RE of the first OFDM symbol; the UE carries at least one of the ACK and the NACK to the second. On the RE of the OFDM symbol; the UE carries at least one of the CQI, the PMI, and the PUSCH data to the first RE, where the first RE is an RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or the NACK.
- the UE carries the RI to the RE of the first OFDM symbol, and carries at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS. Transmitting at least one of the ACK and the NACK to the RE of the second OFDM symbol, and covering at least one of the CQI, PM, and PUSCH data carried on the RE of the second OFDM symbol, and The uplink subframe that carries the UCI is sent to the base station.
- the base station After receiving the uplink subframe, the base station acquires an RI that is carried on the RE of the first OFDM symbol, and acquires at least one of an ACK and a NACK that are carried on the RE of the second OFDM symbol, and acquires the CQI carried on the first RE. At least one of data in the PMI and the PUSCH. Since uci is carried in a position adjacent to the UL DMRS in an uplink subframe, the demodulation performance of the base station to the UCI is improved, thereby improving the data transmission rate and the network throughput.
- FIG. 5 is a flowchart of Embodiment 5 of the method for transmitting uplink control information according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
- the S50K UE first carries the first part of the RI to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol according to the set sequence, and then carries the second part of the RI except the first part. Up to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol.
- the REs in one OFDM symbol in one uplink subframe are used to carry the UL DMRS; in the uplink subframe, the UE first carries the first part of the RI according to the set sequence. To the RE of the 2nd OFDM symbol and the 6th OFDM symbol, and then carry the second part (ie, the remaining RI) except the first part of the RI to the 1st OFDM symbol and the 7th according to the set order On the RE of OFDM symbols.
- the first part of the RI is the complete RI.
- the second part of the RI except the first part is 0, and the UE does not need to carry the second part of the RI except the first part to the RE of the 1st OFDM symbol and the 7th OFDM symbol.
- the UE carries at least one of CQI, PMI, and PUSCH data to an RE that does not carry the UL DMRS and an RE that does not carry the RI.
- the specific implementation process of S502 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the specific implementation process of S502 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the UE first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set sequence, and then the ACK and the NACK are The second part of the at least one other than the first part is carried on the first OFDM symbol of the uplink subframe and the RE of the seventh symbol that does not carry the RI, and covers the first OFDM symbol. At least one of RE, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the CQI, PMI, and PUSCH data on the RE of the second OFDM symbol.
- the UE in the uplink subframe, first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol and the 5th OFDM symbol according to the set sequence;
- the sequence carries at least one of the ACK and the NACK except for the second part other than the first part (that is, at least one of the remaining ACK and NACK) to the first OFDM symbol and the second OFDM symbol that does not carry the RI
- the ACK and the NACK does not carry all the REs of the 3rd OFDM symbol and the 5th OFDM symbol or at least one of the ACK and the NACK is just carried to all of the 3rd OFDM symbol and the 5th OFDM symbol
- the first part of the at least one of the ACK and the NACK is at least one of the complete ACK and the NACK
- the second part of the ACK and the NACK except the first part is 0, and the UE does not need to A second portion of at least one of the ACK and the NACK except the first portion is carried on the RE of the 1st OFDM symbol and the 7th OFDM symbol.
- the UE carries at least one of UL DMRS, RI, CQI, PMI, PUSCH data, and ACK and NACK into the uplink subframe, and may form a UCI transmission format as shown in FIG. 6.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 6, and then the uplink subframe after the UCI is transmitted to the base station.
- Figure 6 is only for For example, the embodiment of the present invention is not limited to the UCI transmission format shown in FIG. 6.
- S504 The UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires a first part of the RI that carries the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and the RE and the seventh of the first OFDM symbol carried in the uplink subframe. A second portion of the RI on the RE of the OFDM symbol except the first portion.
- the base station acquires a first part of at least one of an ACK and a NACK carried on an RE of a third OFDM symbol of an uplink subframe and an RE of a fifth OFDM symbol, and a first OFDM symbol carried in an uplink subframe.
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire, according to the UCI transmission format shown in FIG. 6, the first part that is carried on the RE of the second OFDM symbol and the RE of the sixth OFDM symbol, and the RE that is carried in the first OFDM symbol. And the second part except the first part of the RI on the RE of the 7th OFDM symbol, if the RE of the 1st OFDM symbol and the RE of the 7th OFDM symbol do not carry the RI, Acquiring an RI of the first OFDM symbol and the RE of the seventh OFDM symbol; and acquiring at least one of the ACK and the NACK carried in the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol a part, and a second part other than the first part of the at least one of the ACK and the NACK carried on the RE of the 1st OFDM symbol and the RE of the 7th OFDM symbol, if the RE and the first OFDM symbol At least one of ACK and NACK is not carried on the RE of the 7 OFDM symbols, and at least
- the implementation process of the S501-S503 may be: the UE first carries the first part of the RI to the RE of the second OFDM symbol of the uplink subframe according to the set sequence. On the RE of the sixth OFDM symbol, the second part of the RI except the first part is carried on the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol; the UE is in the set order First, the first part of at least one of the ACK and the NACK is carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the first part of the ACK and the NACK are divided by the first part.
- the second part is carried to the first OFDM symbol of the uplink subframe and the RE of the second symbol that does not carry the RI; the UE carries at least one of the CQI, the PMI, and the PUSCH data to the first RE,
- the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the uplink control information transmission method provided by the fifth embodiment of the present invention because the UCI is carried in a position adjacent to the UL DMRS in an uplink subframe, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network. Throughput.
- FIG. 7 is a flowchart of Embodiment 6 of an uplink control information transmission method according to the present invention. As shown in FIG. 7, the method in this embodiment may include:
- the S60K UE first carries the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol according to the set sequence, and then the second part of the RI except the first part It is carried to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol.
- the specific implementation process of the S601 is similar to the specific implementation process of the S501 in the fifth embodiment of the present invention.
- the specific implementation process of the S601 is similar to the specific implementation process of the S501 in the fifth embodiment of the present invention.
- the UE carries at least one of CQI, PMI, and PUSCH data to the un-bearing
- the UL DMRS RE is on and not on the RI RE.
- the specific implementation process of S602 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the specific implementation process of S602 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the UE carries at least one of the ACK and the NACK to the uplink according to the set sequence.
- the data of the CQI, PMI, and PUSCH on the RE of the first OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the RE of the seventh OFDM symbol are covered. At least one of them.
- the UE carries the UL DMRS, the RI, the CQI, the PMI, the PUSCH data, and at least one of the ACK and the NACK into the uplink subframe, and may form a UCI transmission format as shown in FIG. 8.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 8, and then the uplink subframe after the UCI is transmitted to the base station.
- FIG. 8 is only used for illustrative purposes, and the embodiment of the present invention is not limited to the UCI transmission format shown in FIG. 8.
- S604 The UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires a first part of the RI that carries the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and the RE and the seventh of the first OFDM symbol that is carried in the uplink subframe. A second portion of the RI on the RE of the OFDM symbol except the first portion.
- the base station acquires at least one of an RE of the first OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and an ACK and a NACK of the RE of the seventh OFDM symbol. .
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire the first part of the RI carried on the RE of the second OFDM symbol and the RE of the sixth OFDM symbol according to the UCI transmission format shown in FIG. 8, and is carried in the first OFDM symbol.
- the second part except the first part of the RI on the RE of the seventh OFDM symbol if the RE of the first OFDM symbol and the RE of the seventh OFDM symbol do not carry the RI, the first part may not be from the first Obtaining RI on the RE of the OFDM symbol and the RE of the 7th OFDM symbol; and acquiring the RE, the 3rd OFDM carried in the 1st OFDM symbol At least one of a symbolized RE, an 5th OFDM symbol's RE, and an ACK and a NACK on the RE of the 7th OFDM symbol; CQI, PMI, and C may also be obtained from REs that do not carry UL DMRS, RI, ACK, and NACK At least one of the data in the PUSCH.
- the implementation process of the S601-S603 may be: the UE first carries the RE of the second OFDM symbol carried in the uplink subframe to the first part of the RI according to the set sequence. And the second part of the RI except the first part is carried on the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol; The order of setting, carrying at least one of the ACK and the NACK to the first OFDM symbol of the uplink subframe, the RE that does not carry the RI, the third OFDM symbol, the RE that does not carry the RI, and the fifth OFDM symbol are not The RE that carries the RI and the RE that does not carry the RI in the seventh OFDM symbol; the UE carries at least one of the CQI, the PMI, and the PUSCH data to the first RE, where the first RE is an un-bearing UL DMRS, An RE that carries an RI and does not carry an ACK or NACK
- the uplink control information transmission method provided by the sixth embodiment of the present invention because the UCI is carried in a position adjacent to the UL DMRS in an uplink subframe, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network. Throughput.
- FIG. 9 is a flowchart of Embodiment 7 of the method for transmitting uplink control information according to the present invention. As shown in FIG. 9, the method in this embodiment may include:
- the S70K UE carries the RI to the RE of the first OFDM symbol of the uplink subframe, the RE of the second OFDM symbol, the RE of the sixth OFDM symbol, and the RE of the second OFDM symbol according to the set order.
- the UE carries at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS and the RE that does not carry the RI.
- the specific implementation process of S702 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the specific implementation process of S702 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the UE first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set sequence. And transmitting the second part except the first part of the ACK and the NACK to the RE of the first OFDM symbol of the uplink subframe that does not carry the RI, and the second OFDM symbol does not carry the RI.
- RE the RE of the 6th OFDM symbol that does not carry the RI
- RE of the 7th OFDM symbol covers the RE of the 1st OFDM symbol and the RE of the 2nd OFDM symbol
- the UE in the uplink subframe, first carries at least one of the ACK and the NACK to all the REs of the 3rd OFDM symbol and the 5th OFDM symbol according to the set sequence; Carrying at least one of the ACK and the NACK except the first part (ie, the remaining ACK and/or NACK) to the 1st OFDM symbol, the 2nd OFDM symbol, the 6th OFDM symbol, and the 7th
- the OFDM symbol does not carry the RI on the RE; and covers the bearer in the 1st OFDM symbol, the 2nd OFDM symbol, the 3rd OFDM symbol, the 5th OFDM symbol, the 6th OFDM symbol, and the 7th At least one of CQI, PMI, and PUSCH data on the RE of the OFDM symbol.
- the ACK and the NACK does not carry all the REs of the 3rd OFDM symbol and the 5th OFDM symbol or at least one of the ACK and the NACK is carried to all of the 3rd OFDM symbol and the 5th OFDM symbol
- the first part of the at least one of the ACK and the NACK is at least one of the complete ACK and the NACK
- the second part of the ACK and the NACK except the first part is 0, and the UE does not need to
- a second portion of at least one of the ACK and the NACK except the first portion is carried on the RE of the 1st OFDM symbol, the 2nd OFDM symbol, the 6th OFDM symbol, and the 7th OFDM symbol.
- the UE carries the data of the UL DMRS, the RI, the CQI, the PMI, the PUSCH, and the ACK and the NACK to the uplink subframe that adopts the first UL DMRS pattern, and may be formed as shown in FIG. UCI transmission format.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 10, and then the uplink subframe after the UCI is transmitted to the base station.
- FIG. 10 is for illustrative purposes only, and the embodiment of the present invention is not limited to the UCI transmission format shown in FIG.
- the UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the specific implementation manners of S704 and S705 are similar to the specific implementation processes of S404 and S405 in the fourth embodiment of the method of the present invention. For details, refer to related descriptions in the foregoing embodiments, and details are not described herein again. .
- the base station acquires an RE of the first OFDM symbol, an RE of the second OFDM symbol, a RE of the sixth OFDM symbol, and an RI of the RE of the seventh OFDM symbol that are carried in the uplink subframe.
- the base station acquires a first part of at least one of an ACK and a NACK carried on an RE of a third OFDM symbol of an uplink subframe and an RE of a fifth OFDM symbol, and a first OFDM symbol carried in an uplink subframe.
- the second portion of the RE, the RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the ACK and the NACK of the RE of the 7th OFDM symbol except the first part.
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire the RE that is carried in the first OFDM symbol, the RE of the second OFDM symbol, the RE of the sixth OFDM symbol, and the seventh OFDM symbol according to the UCI transmission format shown in FIG. RI on the RE; may also acquire the first part of at least one of the ACK and the NACK carried on the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the RE carried in the 1st OFDM symbol, a second part other than the first part of the RE of the 2 OFDM symbols, the RE of the 6th OFDM symbol, and the ACK and the NACK of the RE of the 7th OFDM symbol, if the RE of the 3rd OFDM symbol And the RE of the 5th OFDM symbol does not carry at least one of the ACK and the NACK, and may not be the RE of the 1st OFDM symbol, the RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the 7th At least one of ACK and NACK is acquired on the REs
- the implementation process of the S701-S703 may be: the UE carries the RI of the first OFDM symbol of the uplink subframe to the second OFDM according to the set sequence. Symbolic RE, RE of the 6th OFDM symbol, and 7th OFDM symbol On the RE, the UE first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set order, and then ACK and NACK The second part other than the first part of at least one of the first OFDM symbols of the uplink subframe does not carry the RE of the RI, the RE of the second OFDM symbol that does not carry the RI, and the sixth OFDM An RE of the RI is not carried in the symbol and an RE of the 7th OFDM symbol that does not carry the RI; the UE carries at least one of the data of the CQI, the PMI, and the PUSCH
- the uplink control information transmission method provided by the seventh embodiment of the present invention because the UCI is carried in a position adjacent to the UL DMRS in an uplink subframe, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network. Throughput.
- FIG. 11 is a flowchart of Embodiment 8 of the method for transmitting uplink control information according to the present invention. As shown in FIG. 11, the method in this embodiment may include:
- the S80K UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then carries the second part of the RI except the first part. Up to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol.
- the UE in the uplink subframe, the UE first carries the first part of the RI to the RE of the first OFDM symbol and the seventh OFDM symbol according to the set sequence; then, the RI is divided according to the set order.
- the second part (ie the remaining RI) outside the first part is carried onto the RE of the 8th OFDM symbol and the 9th OFDM symbol. If the RI does not carry all the REs of the 1st OFDM symbol and the 7th OFDM symbol or the RI is just carried on all REs of the 1st OFDM symbol and the 7th OFDM symbol, the first part of the RI is a complete RI.
- the second part of the RI except the first part is 0, and the UE does not need to carry the second part of the RI except the first part to the RE of the 8th OFDM symbol and the 9th OFDM symbol.
- the UE carries at least one of CQI, PMI, and PUSCH data to an RE that does not carry the UL DMRS and an RE that does not carry the RI.
- the specific implementation process of the S802 is similar to the specific implementation process of the S402 in the fourth embodiment of the present invention.
- the UE first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set sequence, and then the ACK and the NACK are The second part of the at least one other than the first part is carried on the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and covers the RE carried in the second OFDM symbol, At least one of an RE of 3 OFDM symbols, an RE of a 5th OFDM symbol, and a CQI, a PMI, and a PUSCH data on an RE of a 6th OFDM symbol.
- the UE in the uplink subframe, first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol and the 5th OFDM symbol according to the set sequence; The sequence of carrying at least one of the ACK and the NACK except the first part (ie, the remaining ACK and/or NACK) to the RE of the 2nd OFDM symbol and the 6th OFDM symbol; and overwriting At least one of CQI, PMI, and PUSCH data carried on the REs of the second OFDM symbol, the third OFDM symbol, the fifth OFDM symbol, and the second OFDM symbol.
- the first part of the at least one of the ACK and the NACK is at least one of the complete ACK and the NACK, and the second part of the ACK and the NACK except the first part is 0, and the UE does not need to A second portion of at least one of the ACK and the NACK except the first portion is carried to the RE of the second symbol and the sixth symbol.
- the UE carries at least one of UL DMRS, RI, CQI, PMI, PUSCH data, and ACK and NACK into the uplink subframe, and may form a UCI transmission format as shown in FIG.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 12, and then the uplink subframe after the UCI is transmitted to the base station.
- FIG. 10 is for illustrative purposes only, and the embodiment of the present invention is not limited to the UCI transmission format shown in FIG.
- S804 The UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires a first part of the RI that carries the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and the RE and the ninth of the eighth OFDM symbol that is carried in the uplink subframe. A second portion of the RI on the RE of the OFDM symbol except the first portion.
- the base station acquires a first part of at least one of an ACK and a NACK carried on an RE of a third OFDM symbol of an uplink subframe and an RE of a fifth OFDM symbol, and a second OFDM symbol carried in an uplink subframe.
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire, according to the UCI transmission format shown in FIG. 12, the first part of the RI carried on the RE of the first OFDM symbol and the RE of the seventh OFDM symbol, and the eighth OFDM symbol. And the second part of the RI on the RE of the 9th OFDM symbol except the first part, if the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol do not carry the RI, the Obtaining RI on the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol; and acquiring the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and carrying the second OFDM symbol
- the ACK and the NACK on the RE of the RE and the sixth OFDM symbol may not be from the second if the RE of the second OFDM symbol and the RE of the sixth OFDM symbol do not carry at least one of the ACK and the NACK.
- Acquiring at least one of ACK and NACK on the RE of the OFDM symbol and the RE of the 6th OFDM symbol; may also acquire the data in the CQI, the PMI, and the PUSCH from the REs that do not carry the UL DMRS, the RI, and the ACK and the NACK at least one.
- the implementation process of the S801-S803 may be: the UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe according to the set sequence. On the RE of the 7th OFDM symbol, the second part of the RI except the first part is carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; the UE is in the set order First, the first part of at least one of the ACK and the NACK is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then And transmitting, by the second part of the OFDM and the NACK, the second part except the first part to the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol; the data of the CQI, the PMI, and the PUSCH by the UE At least one of the bearers is carried on the first RE,
- the uplink control information transmission method provided in Embodiment 8 of the present invention is in an uplink subframe.
- the UCI is carried in a position adjacent to the UL DMRS, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network throughput.
- Embodiment 9 of an uplink control information transmission method according to the present invention. As shown in FIG. 13, the method in this embodiment may include:
- the UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol according to the set sequence, and then the second part of the RI except the first part. It is carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol.
- the specific implementation process of the S901 is similar to the specific implementation process of the S801 in the eighth embodiment of the present invention.
- the specific implementation process of the S801 in the eighth embodiment of the present invention is similar to the specific implementation process of the S801 in the eighth embodiment of the present invention.
- the UE carries at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS and the RE that does not carry the RI.
- the specific implementation process of S902 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the specific implementation process of S902 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the UE carries at least one of the ACK and the NACK to the RE of the second OFDM symbol of the uplink subframe, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the sixth according to the set sequence.
- On the RE of the OFDM symbol and covers the CQI, PMI, which are carried in the RE of the 2nd OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol, and At least one of the PUSCH data.
- the UE carries at least one of UL DMRS, RI, CQI, PMI, PUSCH data, and ACK and NACK into an uplink subframe, and may form a UCI transmission format as shown in FIG. 14.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 14, and then the uplink subframe after the UCI is transmitted to the base station.
- Figure 14 only For illustrative purposes, embodiments of the present invention are not limited to the UCI transmission format shown in FIG.
- S904 The UE sends the uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires a first part of the RI that carries the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and the RE and the ninth of the eighth OFDM symbol that is carried in the uplink subframe. A second portion of the RI on the RE of the OFDM symbol except the first portion.
- the base station acquires at least one of an RE of the second OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and an ACK and a NACK of the RE of the sixth OFDM symbol. .
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire, according to the UCI transmission format shown in FIG. 14, the first part of the RI carried on the RE of the first OFDM symbol and the RE of the seventh OFDM symbol, and the eighth OFDM symbol. And the second part of the RI on the RE of the 9th OFDM symbol except the first part, if the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol do not carry the RI, the Obtaining RI on the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol; and acquiring the RE carried in the 2nd OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the 6th At least one of ACK and NACK on the RE of the OFDM symbol; at least one of the CQI, the PMI, and the data in the PUSCH may also be acquired from the RE that carries the UL DMRS, the RI, and the ACK and the NACK.
- the implementation process of the S901-S903 may be: the UE first carries the first part of the RI to the RE of the first OFDM symbol of the uplink subframe according to the set sequence. On the RE of the 7th OFDM symbol, the second part of the RI except the first part is carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol Up; the UE carries at least one of the ACK and the NACK to the RE of the 2nd OFDM symbol of the uplink subframe, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the 6th OFDM according to the set order On the RE of the symbol; the UE carries at least one of the data of the CQI, the PMI, and the PUSCH to the first RE, where the first RE is an RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or the NACK.
- the uplink control information transmission method provided by the ninth embodiment of the present invention because the UCI is carried in a position adjacent to the UL DMRS in an uplink subframe, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network. Throughput.
- FIG 15 is a flowchart of Embodiment 10 of the method for transmitting uplink control information according to the present invention. As shown in Figure 15, the method in this embodiment may include:
- the S100K UE carries the RI to the RE of the first OFDM symbol of the uplink subframe, the RE of the seventh OFDM symbol, the RE of the eighth OFDM symbol, and the RE of the ninth OFDM symbol in the set order.
- the UE carries at least one of CQI, PMI, and PUSCH data to an RE that does not carry the UL DMRS and an RE that does not carry the RI.
- the specific implementation process of S1002 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the specific implementation process of S1002 is similar to the specific implementation process of S402 in Embodiment 4 of the method of the present invention.
- the UE first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set sequence, and then the ACK and the NACK are
- the second part of the at least one other than the first part is carried on the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and covers the RE carried in the second OFDM symbol
- the third part At least one of an RE of an OFDM symbol, an RE of a fifth OFDM symbol, and a CQI, a PMI, and a PUSCH data on an RE of a sixth OFDM symbol.
- the UE in the uplink subframe, first carries the first part of at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol and the 5th OFDM symbol according to the set sequence; The order of carrying at least one of the ACK and the NACK except for the second part other than the first part (ie, at least one of the remaining ACK and NACK) to the RE of the 2nd OFDM symbol and the 6th OFDM symbol; Covering the second OFDM symbol, At least one of CQI, PMI, and PUSCH data on the third OFDM symbol, the fifth OFDM symbol, and the RE of the seventh OFDM symbol.
- the first part of the at least one of the ACK and the NACK is at least one of the complete ACK and the NACK, and the second part of the ACK and the NACK except the first part is 0, and the UE does not need to A second portion of at least one of the ACK and the NACK except the first portion is carried to the RE of the 2nd OFDM symbol and the 6th OFDM symbol.
- the UE carries the UL DMRS, the RI, the CQI, the PMI, the PUSCH data, and at least one of the ACK and the NACK into the uplink subframe, and may form a UCI transmission format as shown in FIG. 16.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 16, and then the uplink subframe after the UCI is transmitted to the base station.
- FIG. 16 is for illustrative purposes only, and the embodiment of the present invention is not limited to the UCI transmission format shown in FIG. 16.
- S1004 The UE sends an uplink subframe that carries the UCI to the base station.
- the base station receives an uplink subframe sent by the UE.
- the base station acquires the RE of the first OFDM symbol, the RE of the seventh OFDM symbol, the RE of the eighth OFDM symbol, and the RI of the RE of the ninth OFDM symbol that are carried in the uplink subframe.
- the base station acquires a first part of at least one of an ACK and a NACK carried in an RE of a third OFDM symbol of an uplink subframe and an RE of a fifth OFDM symbol, and a second OFDM symbol carried in an uplink subframe And a second portion other than the first portion of at least one of the ACK and the NACK on the RE of the sixth OFDM symbol.
- the base station acquires at least one of CQI, PMI, and PUSCH data carried on the first RE, where the first RE is an RE that does not carry a UL DMRS, does not carry an RI, and does not carry an ACK or a NACK.
- the base station may acquire the RE that is carried in the first OFDM symbol, the RE of the seventh OFDM symbol, and the RE of the eighth OFDM symbol according to the UCI transmission format shown in FIG. And an RI on the RE of the ninth OFDM symbol; a first part of at least one of the ACK and the NACK carried in the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the second part carried The second part of the OFDM symbol and the ACK and the NACK on the RE of the 6th OFDM symbol except for the first part, if the RE of the 2nd OFDM symbol and the RE of the 6th OFDM symbol are not carried Having at least one of ACK and NACK, at least one of ACK and NACK may not be acquired from the RE of the 2nd OFDM symbol and the RE of the 6th OFDM symbol; the UL DMRS, the RI, and the ACK may also be unsupported At least one of CQI, PMI, and data in the PUSCH is acquired in the RE of the
- the implementation process of the S1001-S1003 may be: the UE carries the RI of the first OFDM symbol of the uplink subframe to the RE of the seventh OFDM according to the set sequence. The RE of the symbol, the RE of the 8th OFDM symbol, and the RE of the 9th OFDM symbol; the UE first carries the first part of at least one of the ACK and the NACK to the 3rd OFDM symbol of the uplink subframe according to the set order The RE of the RE and the 5th OFDM symbol, and the second part except the first part of at least one of the ACK and the NACK is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the 6th OFDM symbol The UE carries at least one of the CQI, the PMI, and the PUSCH data to the first RE, where the first RE is an RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or the NACK.
- the uplink control information transmission method provided by Embodiment 10 of the present invention is in an uplink subframe.
- the UCI is carried in a position adjacent to the UL DMRS, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network throughput.
- the order of setting is as follows: in the order from the last carrier of the uplink subframe to the first carrier, The carriers carry data on the REs in the uplink subframe in order from the RE on the first OFDM symbol to the RE on the last OFDM symbol, and the data includes at least one of UCI, and UL DMRS.
- the UE may further send indication information to the base station, where the indication information is used to indicate the RI, and the location of the RE occupied by at least one of the ACK and the NACK in the time-frequency resource of the uplink subframe.
- the base station can receive the indication information sent by the UE; and then the base station can obtain the indication information according to the indication information. Taking the RI carried on the RE of the first OFDM symbol; and acquiring at least one of the ACK and the NACK carried on the RE of the second OFDM symbol according to the indication information.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, and a resource block group.
- FIG. 17 is a flowchart of Embodiment 11 of the method for transmitting uplink control information according to the present invention. As shown in FIG. 17, the method in this embodiment may be performed by a UE, and the method in this embodiment may include:
- the S110K UE receives the trigger information sent by the base station, and the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern.
- the UE sends the UCI to the second uplink subframe according to the trigger information according to the trigger information, and sends the UCI to the base station according to the second UL DMRS pattern.
- an uplink subframe may include an RE of 14 OFDM symbols, and in some application scenarios, the UL DMRS sent by the UE to the base station may be appropriately reduced, for example, in the first UL DMRS pattern, a first uplink subframe.
- the RE in one OFDM symbol is used to carry the UL DMRS (as shown in FIG. 18), or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS, that is, the two OFDM symbols.
- Each of the symbols has a part of REs for carrying UL DMRS (as shown in FIG. 19), and the first UL DMRS pattern in this embodiment may be a UL DMRS overhead reduction pattern.
- the two OFDM symbols occupied by the two UL DMRSs are not carried.
- the UL DMRS RE is empty.
- all REs of the two OFDM symbols in one second uplink subframe are used to carry the UL DMRS (as shown in FIG. 20), in this embodiment.
- the second UL DMRS style can be of the Normal UL DMRS style.
- the UE may appropriately reduce the transmitted UL DMRS to the base station, and the uplink subframe may be a first uplink subframe that is sent according to the first UL DMRS pattern.
- the uplink subframe is a second uplink subframe that is sent according to the second UL DMRS pattern.
- FIG. 18, FIG. 19, and FIG. 20 are only for exemplification, and the embodiment of the present invention is not limited to the first uplink subframe that is sent according to the first UL DMRS pattern shown in FIG. 18 and FIG. 19, and The second uplink subframe transmitted according to the second UL DMRS pattern shown in FIG. 20 is limited.
- the base station when the UE is configured to send the first uplink subframe to the base station according to the first UL DMRS pattern, if the UE needs to send the UCI to the base station, the base station sends the trigger information to the UE, where the trigger information is used to trigger the UE according to the first
- the UL DMRS pattern sends the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern, so after receiving the trigger information, the UE carries the UCI to the second according to the trigger information according to the second UL DMRS pattern.
- the uplink subframe is sent to the base station, that is, the UE carries the UCI to all the two OFDM symbols in the uplink subframe of the UL DMRS, and the location adjacent to the two OFDM symbols is sent to the base station.
- the embodiment of the present invention can form a UCI transmission format as shown in FIG. 1.
- the UCI is carried in the uplink subframe by using the UCI transmission format shown in FIG. 1, and then the uplink subframe after the UCI is transmitted to the base station.
- the UE receives the trigger information sent by the base station, and the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to be sent according to the second UL DMRS pattern.
- a second uplink subframe the UE sends the UCI bearer to the second uplink subframe according to the trigger information according to the second UL DMRS pattern, and sends the UCI that is sent to the base station to all the REs of the two OFDM symbols for carrying the UL.
- the UCI is carried in a position adjacent to the two OFDM symbols, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network throughput.
- FIG. 21 is a flowchart of Embodiment 12 of the method for transmitting uplink control information according to the present invention. As shown in FIG. 21, the method in this embodiment may be performed by a network side device (for example, a base station), and the method in this embodiment may include:
- the S120K base station sends the trigger information to the UE, where the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern.
- S1202 The base station receives a second uplink subframe that is sent by the UE according to the second UL DMRS pattern. S1203. The base station acquires, according to the second UL DMRS pattern, the UCI carried in the second uplink subframe.
- an uplink subframe may include an RE of 14 OFDM symbols, and in some application scenarios, the UL DMRS sent by the UE to the base station may be appropriately reduced, for example, in the first UL DMRS pattern, a first uplink subframe.
- the RE in one OFDM symbol is used to carry the UL DMRS (as shown in FIG.
- the first UL DMRS pattern in this embodiment may be a UL DMRS overhead reduction pattern. It should be noted that, in a case where a part of the two OFDM symbols in the first UL DMRS pattern is used to carry the UL DMRS, the two OFDM symbols occupied by the two UL DMRSs are not carried.
- the UL DMRS RE is empty.
- the second UL DMRS style can be of the Normal UL DMRS style.
- the UE may appropriately reduce the transmitted UL DMRS to the base station, and the uplink subframe may be a first uplink subframe that is sent according to the first UL DMRS pattern.
- the uplink subframe is a second uplink subframe that is sent according to the second UL DMRS pattern. It should be noted that, FIG.
- FIG. 18, FIG. 19, and FIG. 20 are only for exemplification, and the embodiment of the present invention is not limited to the first uplink subframe that is sent according to the first UL DMRS pattern shown in FIG. 18 and FIG. 19, and The second uplink subframe transmitted according to the second UL DMRS pattern shown in FIG. 20 is limited.
- the base station when the UE is configured to send the first uplink subframe to the base station according to the first UL DMRS pattern, if the UE needs to send the UCI to the base station, the base station sends the trigger information to the UE, where the trigger information is used to trigger the UE according to the first
- the UL DMRS pattern sends the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern, so after receiving the trigger information, the UE carries the UCI to the second according to the trigger information according to the second UL DMRS pattern.
- the uplink subframe is sent to the base station, that is, the UE carries the UCI to all the two OFDM symbols in the uplink subframe of the UL DMRS, and the location adjacent to the two OFDM symbols is sent to the base station.
- the transmission format of UCI is shown in Figure 1. Therefore, the base station can acquire the UCI transmitted by the UE from the position adjacent to the two OFDM symbols used by the entire RE for carrying the UL DMRS in the uplink subframe according to the second UL DMRS pattern.
- the base station sends the trigger information to the UE, where the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to be sent according to the second UL DMRS pattern.
- the second uplink subframe is received by the UE according to the second UL DMRS pattern; the base station acquires the UCI carried in the second uplink subframe according to the second UL DMRS pattern.
- the base station can be in the uplink subframe with the two The UCI is acquired at the adjacent position of the OFDM, thereby improving the demodulation performance of the base station to the UCI, thereby improving the data transmission rate and the network throughput.
- the trigger information in the foregoing embodiment may be implemented in three possible manners as follows.
- the trigger information is downlink control information (Downlink)
- the DCI includes a 1-bit indicator bit
- the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern.
- the triggering information is added to the UCI sent by the base station to the UE, and the 1-bit indicator bit can be added to the DCI.
- the 1-bit indicator bit is set to a value, the UE can be used to trigger the UE to send the first according to the first UL DMRS pattern.
- the uplink subframe is changed to send the second uplink subframe according to the second UL DMRS pattern, and the UE sends the first uplink subframe according to the first UL DMRS pattern to be converted according to the second UL DMRS according to the set value of the 1-bit indicator bit.
- the pattern sends a second uplink subframe.
- the trigger information of this embodiment is to display an indication in the dynamic DCI.
- the trigger information is a DCI indication corresponding to the uplink subframe
- a Channel State Information (CSI) request in the DCI indication is used to trigger the UE to send according to the first UL DMRS pattern.
- the CSI request is a non-zero value for triggering the UE to send the first uplink subframe according to the first UL DMRS pattern to be converted according to the second
- the UL DMRS pattern transmits a second uplink subframe.
- the DCI indication is carried in a Physical Downlink Control Channel (PDCCH), and the format of the PDCCH is a DCI format for uplink scheduling, for example, a DCI format for uplink scheduling includes a DCI format 0 or a DCI format. 4.
- the trigger information of this embodiment is an implicit indication.
- the first uplink subframe is a subframe that carries a physical uplink control channel (PUCCH), and the PUCCH and the physical uplink shared channel (Physical Uplink Shared Channel, referred to as:
- the PUSCH may not be transmitted on the first uplink subframe at the same time; the trigger information is further used to indicate scheduling information that the UE sends the PUSCH in the first uplink subframe.
- the trigger information of this embodiment is an implicit indication.
- the second uplink subframe is a subframe that carries the PUCCH, and the PUCCH and the PUSCH cannot be simultaneously transmitted on the second uplink subframe.
- the trigger information is further used to indicate that the UE is in the second uplink subframe.
- the scheduling information of the PUSCH is transmitted.
- the trigger information of this embodiment is implicit
- FIG. 22 is a schematic structural diagram of Embodiment 1 of a UE according to the present invention. As shown in FIG. 22, in the first uplink demodulation reference signal UL DMRS pattern, one orthogonal frequency division multiplexing in one uplink subframe is used in this embodiment.
- the resource element RE in the OFDM symbol is used to carry the UL DMRS.
- the UE in this embodiment may include: a bearer unit 11 and a sending unit 12, where the bearer unit 11 is configured to send uplink control information according to the first UL DMRS pattern.
- the UCI is carried on the RE in the uplink subframe, and the OFDM symbol carrying the RE of the UCI is adjacent to the OFDM symbol in which the RE of the UL DMRS is located; the sending unit 12 is configured to receive the bearer from the bearer unit 11.
- the uplink subframe after the UCI is sent to the base station.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- the UE in this embodiment is further configured to carry the UL DMRS on the RE of the fourth OFDM symbol of the uplink subframe, on the basis of the apparatus structure shown in FIG.
- the uplink subframe includes 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI further carries at least one of the following: a channel quality indicator CQI, a precoding matrix indication ⁇ , and data in the physical uplink shared channel PUSCH.
- the UCI includes at least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on the RE of at least two first OFDM symbols: 1st OFDM symbol, second OFDM symbol, third OFDM symbol, fifth OFDM symbol, sixth OFDM symbol, seventh OFDM symbol, eighth OFDM symbol, and ninth OFDM symbol; In the subframe, at least one of the ACK and the NACK is carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, and a fifth OFDM symbol , a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol.
- the bearer unit 11 is specifically configured to carry the RI to the RE of the first OFDM symbol, and carry at least one of the ACK and the NACK to the RE of the second OFDM symbol, and At least one of the data of the CQI, the PMI, and the PUSCH is carried on the first RE, where the first RE is not carrying the UL DMRS, and the RI is not carried and is not carried.
- RE of ACK or NACK is specifically configured to carry the RI to the RE of the first OFDM symbol, and carry at least one of the ACK and the NACK to the RE of the second OFDM symbol, and At least one of the data of the CQI, the PMI, and the PUSCH is carried on the first RE, where the first RE is not carrying the UL DMRS, and the RI is not carried and is not carried.
- the bearer unit 11 is specifically configured to first carry the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the sixth according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol; And transmitting, in the set sequence, the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the ACK and A second portion of the at least one of the NACKs except the first portion is carried to the first OFDM symbol of the uplink subframe and the RE of the seventh symbol that does not carry the RI.
- the bearer unit 11 is configured to first carry the first part of the RI to the RE and the second OFDM symbol of the uplink subframe according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol; And transmitting, according to the set, the at least one of the ACK and the NACK to the first OFDM symbol of the uplink subframe, the RE that does not carry the RI, and the third OFDM symbol not carrying the The RE of the RI, the 5th OFDM symbol does not carry the RE of the RI and the RE of the 7th OFDM symbol that does not carry the RI.
- the bearer unit 11 is configured to carry the RI to the RE of the first OFDM symbol and the second OFDM symbol of the uplink subframe according to the set sequence.
- the bearer unit 11 is specifically configured to first carry the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the seventh according to the set sequence. On the RE of the OFDM symbol, and then the RI except the first part Two parts are carried to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; and first, the first part of at least one of the ACK and the NACK is first in the set order Carrying the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol of the uplink subframe, and carrying the second part of the at least one of the ACK and the NACK except the first part to The RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol.
- the bearer unit 11 is specifically configured to first carry the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the seventh according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; In the sequence of setting, at least one of the ACK and the NACK is carried to the RE of the 2nd OFDM symbol of the uplink subframe, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the 6th On the RE of OFDM symbols.
- the bearer unit 11 is configured to carry the RI to the RE of the first OFDM symbol and the seventh OFDM symbol of the uplink subframe according to the set sequence.
- the RE of the OFDM symbol and the RE of the sixth OFDM symbol are configured to carry the RI to the RE of the first OFDM symbol and the seventh OFDM symbol of the uplink subframe according to the set sequence.
- RE, the RE of the 8th OFDM symbol, and the RE of the 9th OFDM symbol and first carrying the first part of the at least one of the ACK and the NACK to the first part of the uplink
- the bearer unit 11 is specifically configured to carry the RI to the RE of the first OFDM symbol; and carry at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS.
- Upcoming and not carrying the RE of the RI; and carrying at least one of the ACK and the NACK to the RE of the second OFDM symbol, and covering the CQI carried on the RE of the second OFDM symbol At least one of the data of the PMI and the PUSCH.
- the bearer unit 11 is specifically configured to: first, according to the set sequence, the UE carries the first part of the RI to the RE of the second OFDM symbol of the uplink subframe. And transmitting, on the RE of the sixth OFDM symbol, the second part of the RI except the first part to the RE of the first OFDM symbol and the seventh OFDM of the uplink subframe The RE of the symbol is first; and the first part of the at least one of the ACK and the NACK is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set order, And transmitting, by the second part except the first part, the second part of the ACK and the NACK to the first OFDM symbol of the uplink subframe and the RE of the seventh symbol that does not carry the RI Up, and covering the data of the CQI, PMI, and PUSCH carried on the RE of the first OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OF
- the bearer unit 1 is specifically configured to first carry the first part of the RI to the RE of the second OFDM symbol of the uplink subframe according to the set sequence. And the RE of the sixth OFDM symbol, and the second part of the RI except the first part is carried to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol And carrying at least one of the ACK and the NACK to the RE of the first OFDM symbol of the uplink subframe that does not carry the RI, and the third OFDM symbol is not in the order of the setting.
- the RE that carries the RI, the RE that does not carry the RI in the fifth OFDM symbol, and the RE that does not carry the RI in the seventh OFDM symbol, are overwritten on the first OFDM symbol. At least one of the RE, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the CQI, PMI, and PUSCH data on the RE of the OFDM symbol.
- the bearer unit 1 is specifically configured to carry the RI to the RE of the first OFDM symbol of the uplink subframe, and the second OFDM according to the set sequence. a RE of the symbol, an RE of the 6th OFDM symbol, and an RE of the 7th OFDM symbol; and first carrying the first part of the at least one of the ACK and the NACK to the uplink in the order of the setting Transmitting the RE of the 3rd OFDM symbol of the frame and the RE of the 5th OFDM symbol, and carrying the second part of the at least one of the ACK and the NACK except the first part to the uplink subframe
- the RE of the RI in the first OFDM symbol, the RE that does not carry the RI in the second OFDM symbol, the RE that does not carry the RI in the sixth OFDM symbol, and the seventh OFDM symbol And not carrying the RE of the RI, and covering the RE of the first OFDM symbol, the RE of the second OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth
- the bearer unit 11 is specifically configured to first carry the first part of the RI to the RE and the first OFDM symbol of the uplink subframe according to the set sequence. And transmitting, on the RE of the 7 OFDM symbols, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; And in the order of the setting, first transmitting the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then The second part of the at least one of the ACK and the NACK except the first part is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and covers the bearer At least one of the CQI, the PMI, and the PUSCH data on the RE of the second OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM
- the bearer unit 11 is specifically configured to first carry the first part of the RI to the RE and the first OFDM symbol of the uplink subframe according to the set sequence. And transmitting, on the RE of the 7 OFDM symbols, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; And transmitting at least one of the ACK and the NACK to the RE of the 2nd OFDM symbol of the uplink subframe, the RE of the 3rd OFDM symbol, and the RE of the 5th OFDM symbol according to the set order On the RE of the sixth OFDM symbol, and covering the CQI carried on the RE of the second OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol At least one of the data of the PMI, and the PUSCH.
- the bearer unit 11 is configured to carry the RI to the RE of the first OFDM symbol of the uplink subframe, and the seventh OFDM symbol according to the set sequence. And the RE of the 8th OFDM symbol and the RE of the 9th OFDM symbol; and first carrying the first part of the at least one of the ACK and the NACK to the uplink subframe according to the set order Carrying, on the RE of the third OFDM symbol and the RE of the fifth OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the second part of the uplink subframe
- the RE of the OFDM symbol and the RE of the 6th OFDM symbol and cover the RE carried in the 2nd OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the 6th OFDM Symbolic RE on CQI, PMI And at least one of the PUSCH data.
- the setting is in the order of: from the last carrier of the uplink subframe to the first carrier, in each carrier according to the RE from the first OFDM symbol to the last OFDM symbol.
- the order of the REs carries data on the REs in the uplink subframe, the data including at least one of the UCI, and the UL DMRS.
- the sending unit 12 is further configured to send the indication information to the base station, where the indication information is used to indicate the RI, and the RE of the at least one of the ACK and the NACK is in a time frequency of the uplink subframe. The location in the resource.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, and a resource block group.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- FIG. 23 is a schematic structural diagram of Embodiment 3 of a UE according to the present invention. As shown in FIG. 23, in the first uplink demodulation reference signal UL DMRS pattern, one orthogonal frequency division multiplexing OFDM in one uplink subframe is used in this embodiment.
- the RE in the symbol is used to carry the UL DMRS; the UE in this embodiment may include: a processor 21 and a transmitter 22, where the processor 21 is configured to carry the uplink control information UCI according to the first UL DMRS pattern to On the RE in the uplink subframe, the OFDM symbol in which the RE carrying the UCI is located is adjacent to the OFDM symbol in which the RE that carries the UL DMRS is located; the transmitter 22 is configured to receive the UCI obtained by the processor 21. The subsequent uplink subframe is sent to the base station.
- the UL DMRS is carried on the RE of the 4th OFDM symbol of the uplink subframe, and the uplink subframe includes 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI further carries at least one of the following: a channel quality indicator CQI, a precoding matrix indication ⁇ , and data in the physical uplink shared channel PUSCH.
- the UCI includes at least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on the RE of at least two first OFDM symbols: 1st OFDM symbol, second OFDM symbol, third OFDM symbol, fifth OFDM symbol, sixth OFDM symbol, seventh OFDM symbol, eighth OFDM symbol, and ninth OFDM symbol; In the subframe, the ACK and the NACK are One less is carried on the RE of at least two second OFDM symbols: 1st OFDM symbol, 2nd OFDM symbol, 3rd OFDM symbol, 5th OFDM symbol, 6th OFDM symbol, 7th OFDM Symbol, 8th OFDM symbol and 9th OFDM symbol.
- the processor 21 is specifically configured to carry the RI to an RE of the first OFDM symbol; and carry at least one of the ACK and the NACK to an RE of the second OFDM symbol; At least one of the data of the CQI, the PMI, and the PUSCH is carried on the first RE, where the first RE is an RE that does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or NACK.
- the processor 21 is specifically configured to first carry the first part of the RI to the RE of the second OFDM symbol of the uplink subframe and the sixth according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol; And transmitting, in the set sequence, the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the ACK and A second portion of the at least one of the NACKs except the first portion is carried to the first OFDM symbol of the uplink subframe and the RE of the seventh symbol that does not carry the RI.
- the processor 21 is configured to: carry the first part of the RI to the RE of the second OFDM symbol of the uplink subframe, and the first part, according to the set sequence. And transmitting, by the RE of the 6 OFDM symbols, the second part of the RI except the first part to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol; And performing, according to the set, the at least one of the ACK and the NACK to the first OFDM symbol of the uplink subframe, the RE that does not carry the RI, and the third OFDM symbol not carrying the The RE of the RI, the 5th OFDM symbol does not carry the RE of the RI and the RE of the 7th OFDM symbol that does not carry the RI.
- the processor 21 is configured to carry the RI to the RE of the first OFDM symbol and the second OFDM symbol of the uplink subframe according to the set sequence.
- RE, the RE of the sixth OFDM symbol, and the RE of the seventh OFDM symbol and first carrying the first part of the at least one of the ACK and the NACK to the uplink subframe according to the set order On the RE of the third OFDM symbol and the RE of the fifth OFDM symbol, And carrying the second part except the first part of the ACK and the NACK to the RE of the RI and the second OFDM that are not carried in the first OFDM symbol of the uplink subframe
- the RE of the RI is not carried in the symbol, the RE of the 6th OFDM symbol that does not carry the RI, and the RE of the 7th OFDM symbol that does not carry the RI.
- the processor 21 is specifically configured to first carry the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the seventh according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; According to the set sequence, the first part of the at least one of the ACK and the NACK is first carried to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then A second part other than the first part of at least one of the ACK and the NACK is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol.
- the processor 21 is specifically configured to first carry the first part of the RI to the RE of the first OFDM symbol of the uplink subframe and the seventh according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; And transmitting at least one of the ACK and the NACK to the RE of the second OFDM symbol of the uplink subframe, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the first On the RE of 6 OFDM symbols.
- the processor 21 is configured to carry the RI to the RE of the first OFDM symbol and the seventh OFDM symbol of the uplink subframe according to the set sequence.
- RE, the RE of the 8th OFDM symbol, and the RE of the 9th OFDM symbol and first transmitting the first part of the at least one of the ACK and the NACK to the first part of the uplink subframe according to the set order And transmitting, by the RE of the 3 OFDM symbols and the RE of the 5th OFDM symbol, the second part of the at least one of the ACK and the NACK except the first part to the second part of the uplink subframe
- the RE of the OFDM symbol and the RE of the sixth OFDM symbol are configured to carry the RI to the RE of the first OFDM symbol and the seventh OFDM symbol of the uplink subframe according to the set sequence.
- RE, the RE of the 8th OFDM symbol, and the RE of the 9th OFDM symbol and first transmitting the first part of the at least one of the ACK and the NACK to the first part of the uplink
- the processor 21 is specifically configured to carry the RI to the RE of the first OFDM symbol; and carry at least one of the CQI, the PMI, and the PUSCH data to the RE that does not carry the UL DMRS. Up and down on the RE that does not carry the RI; and the ACK and NACK At least one of the signals is carried on the RE of the second OFDM symbol and covers at least one of CQI, PMI, and PUSCH data carried on the RE of the second OFDM symbol.
- the processor 21 is specifically configured to first carry the first part of the RI to the RE and the second OFDM symbol of the uplink subframe according to the set sequence. And transmitting, by the RE of the 6 OFDM symbols, the second part of the RI except the first part to the RE of the 1st OFDM symbol of the uplink subframe and the RE of the 7th OFDM symbol; And transmitting, in the set sequence, the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and then the ACK And a second part other than the first part of at least one of the NACK and the first part of the uplink subframe is carried over the first OFDM symbol of the uplink subframe and the RE of the seventh symbol that does not carry the RI, and is covered At least one of the CQI, the PMI, and the PUSCH data carried in the RE of the first OFDM symbol, the RE of the third OFDM symbol,
- the processor 21 is configured to: first, according to the set sequence, carry the first part of the RI to the RE of the second OFDM symbol of the uplink subframe. And transmitting, on the RE of the sixth OFDM symbol, the second part of the RI except the first part to the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol And carrying at least one of the ACK and the NACK to the RE of the first OFDM symbol of the uplink subframe that does not carry the RI, and the third OFDM symbol is not carried in the order of the setting.
- An RE having the RI, an RE that does not carry the RI in the fifth OFDM symbol, and an RE that does not carry the RI in the seventh OFDM symbol, and covers the bearer in the first OFDM symbol At least one of the RE, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the CQI, PMI, and PUSCH data on the RE of the OFDM symbol.
- the processor 21 is configured to: carry the RI to the RE of the first OFDM symbol of the uplink subframe, and the second OFDM symbol according to the set sequence.
- the RE that does not carry the RI in the first OFDM symbol that is partially carried in the uplink subframe, the RE that does not carry the RI in the second OFDM symbol, and the sixth OFDM symbol do not carry the
- the RE of the RI and the RE of the 7th OFDM symbol do not carry the RI, and cover the RE of the first OFDM symbol, the RE of the second OFDM symbol, and the RE of the third OFDM symbol At least one of an RE of the fifth OFDM symbol,
- the processor 21 is specifically configured to first carry the first part of the RI to the RE and the first OFDM symbol of the uplink subframe according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; And in the order of the setting, first transmitting the first part of the at least one of the ACK and the NACK to the RE of the third OFDM symbol of the uplink subframe and the RE of the fifth OFDM symbol, and then And the second part of the at least one of the ACK and the NACK except the first part is carried on the RE of the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol, and covers the bearer At least one of the CQI, the PMI, and the PUSCH data on the RE of the second OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the RE of the
- the processor 21 is specifically configured to first carry the first part of the RI to the RE and the first OFDM symbol of the uplink subframe according to the set sequence. And transmitting, by the RE of the OFDM symbol, the second part of the RI except the first part to the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; And transmitting at least one of the ACK and the NACK to the RE of the 2nd OFDM symbol of the uplink subframe, the RE of the 3rd OFDM symbol, and the RE of the 5th OFDM symbol according to the set order On the RE of the sixth OFDM symbol, and covering the CQI carried on the RE of the second OFDM symbol, the RE of the 3rd OFDM symbol, the RE of the 5th OFDM symbol, and the RE of the 6th OFDM symbol At least one of the data of the PMI, and the PUSCH.
- the processor 21 is specifically configured to: carry the RI to the RE of the first OFDM symbol of the uplink subframe, and the seventh OFDM symbol according to the set sequence. RE, the RE of the 8th OFDM symbol, and the RE of the 9th OFDM symbol; And carrying the first part of the at least one of the ACK and the NACK to the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol according to the set sequence, and then The second part of the at least one of the ACK and the NACK except the first part is carried to the RE of the 2nd OFDM symbol of the uplink subframe and the RE of the 6th OFDM symbol, and is overwritten by At least one of an RE of the second OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and a CQI, a PMI, and a PUSCH data on the RE of the sixth OFDM symbol.
- the setting is in the order of: from the last carrier of the uplink subframe to the first carrier, in each carrier according to the RE from the first OFDM symbol to the last OFDM symbol.
- the order of the REs carries data on the REs in the uplink subframe, the data including at least one of the UCI, and the UL DMRS.
- the transmitter 22 is further configured to send, to the base station, indication information, where the indication information is used to indicate the RI, and that an RE of at least one of the ACK and the NACK is in a time frequency of the uplink subframe. The location in the resource.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, and a resource block group.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- FIG. 24 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
- the base station in this embodiment may include: a receiving unit 31 and an obtaining unit 32, where the receiving unit 31 is configured to receive an uplink subframe sent by the user equipment UE, and the uplink subframe
- the RRC symbol carrying the RE of the UCI is adjacent to the OFDM symbol in which the RE carrying the UL DMRS is located, according to the first uplink demodulation reference signal UL DMRS pattern.
- the obtaining unit 32 is configured to acquire, according to the first UL DMRS pattern, the UCI that is carried in the uplink subframe received by the receiving unit 31.
- the base station in this embodiment may be used to perform the technical solution executed by the base station in the foregoing method embodiment of the present invention, and the implementation principle and the technical effect are similar.
- the relevant records in the examples are not described here.
- the base station in this embodiment is further configured on the basis of the apparatus shown in FIG. 24, and the UL DMRS is carried on the RE of the fourth OFDM symbol of the uplink subframe.
- the uplink subframe includes REs of 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI further carries at least one of the following: a channel quality indicator CQI, a precoding matrix indication ⁇ , and data in the physical uplink shared channel PUSCH.
- the UCI includes at least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on the RE of at least two first OFDM symbols: 1st OFDM symbol, second OFDM symbol, third OFDM symbol, fifth OFDM symbol, sixth OFDM symbol, seventh OFDM symbol, eighth OFDM symbol, and ninth OFDM symbol; In the subframe, at least one of the ACK and the NACK is carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, and a fifth OFDM symbol , a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol.
- the obtaining unit 32 is specifically configured to acquire the RI that is carried on the RE of the first OFDM symbol, and acquire at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol. And acquiring at least one of the CQI, the PMI, and the data in the PUSCH that are carried on the first RE, where the first RE is not carrying the UL DMRS, does not carry the RI, and does not carry the ACK or NACK RE.
- the acquiring unit 32 is specifically configured to acquire a first part of the RI that is carried in an RE of a second OFDM symbol of the uplink subframe and an RE of a sixth OFDM symbol, and Transmitting a second part of the RI of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol except the first part; and acquiring the bearer in the uplink subframe a first part of at least one of the ACK and the NACK on the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the RE and the 7th of the 1st OFDM symbol carried in the uplink subframe a second portion of the at least one of the ACK and NACK on the RE of the OFDM symbol except the first portion.
- the acquiring unit 32 is specifically configured to acquire the RI of the RE of the second OFDM symbol and the RE of the sixth OFDM symbol that are carried in the uplink subframe. a first part, and a second part of the RI that is carried on the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol except the first part; At least one of an RE of the first OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and the ACK and NACK on the RE of the seventh OFDM symbol of the uplink subframe.
- the acquiring unit 32 is specifically configured to acquire the RI that is carried on the RE of the first OFDM symbol, where: the base station acquires the first one that is carried in the uplink subframe. An RE of an OFDM symbol, an RE of a second OFDM symbol, an RE of a sixth OFDM symbol, and the RI of an RE of a seventh OFDM symbol; and acquires a third OFDM symbol carried in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE and the RE of the fifth OFDM symbol, and an RE of the first OFDM symbol carried in the uplink subframe, an RE of the second OFDM symbol, and a second a second portion other than the first portion of at least one of the RE of the 6 OFDM symbols and the ACK and the NACK of the RE of the second OFDM symbol.
- the obtaining unit 32 is specifically configured to acquire the bearer in the first
- the RI on the RE of the OFDM symbol includes: the base station acquiring the first part of the RI that is carried on the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and the bearer And a second part other than the first part of the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol; and acquiring the bearer in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the RE and the 6th of the 2nd OFDM symbol carried in the uplink subframe a second portion of the at least one of the ACK and NACK on the RE of the OFDM symbol except the first portion.
- the acquiring unit 32 is specifically configured to acquire, by using the RE of the first OFDM symbol of the uplink subframe and the first part of the RI of the seventh OFDM symbol, and Transmitting a second part of the RI on the RE of the 8th OFDM symbol of the uplink subframe and the RE of the 9th OFDM symbol except the first part; and acquiring the bearer in the uplink subframe At least one of the RE of the second OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the ACK and NACK on the RE of the sixth OFDM symbol.
- the acquiring unit 32 is specifically configured to acquire the RE of the first OFDM symbol, the RE of the seventh OFDM symbol, the RE of the eighth OFDM symbol, and the first OFDM symbol that are carried in the uplink subframe. And the RI of the RE of the 9 OFDM symbols; and acquiring the at least one of the ACK and the NACK carried in the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol a portion, and a second portion of the at least one of the ACK and the NACK carried on the RE of the second OFDM symbol and the sixth OFDM symbol of the uplink subframe except the first portion.
- the receiving unit 31 is further configured to receive the indication information that is sent by the UE, where the indication information is used to indicate that the RI and the RE occupied by at least one of the ACK and the NACK are in a time frequency of the uplink subframe. a location in the resource; the obtaining unit 32 is specifically configured to acquire, according to the indication information received by the receiving unit 31, the RI carried on the RE of the first OFDM symbol; according to the indication received by the receiving unit Information acquires at least one of the ACK and NACK carried on the RE of the second OFDM symbol.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, and a resource block group.
- the base station in this embodiment may be used to perform the technical solution executed by the base station in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- Embodiment 3 of a base station is a schematic structural diagram of Embodiment 3 of a base station according to the present invention. As shown in FIG. 25, in the first uplink demodulation reference signal UL DMRS pattern, one orthogonal frequency division multiplexing OFDM in one uplink subframe is used in this embodiment. The RE in the symbol is used to carry the UL DMRS.
- the base station in this embodiment may include: a receiver 41 and a processor 42, where the receiver 41 is configured to receive an uplink subframe sent by the user equipment UE, and the uplink subframe
- the uplink resource control information UCI is carried on the resource element RE according to the first uplink demodulation reference signal UL DMRS pattern, and the OFDM symbol in which the RE carrying the UCI is located is adjacent to the OFDM symbol in which the RE carrying the UL DMRS is located;
- the processor 42 is configured to acquire, according to the first UL DMRS pattern, the UCI that is carried in the uplink subframe received by the receiver.
- the UL DMRS is carried on the RE of the 4th OFDM symbol of the uplink subframe, and the uplink subframe includes REs of 14 OFDM symbols.
- the RE that does not carry the UL DMRS and the UCI also carries the next At least one of the following: a channel quality indication CQI, a precoding matrix indication ⁇ , and data in a physical uplink shared channel PUSCH.
- the UCI includes at least one of: a rank indication RI, an acknowledgement ACK, and a negative acknowledgement NACK; in the uplink subframe, the RI is carried on the RE of at least two first OFDM symbols: 1st OFDM symbol, second OFDM symbol, third OFDM symbol, fifth OFDM symbol, sixth OFDM symbol, seventh OFDM symbol, eighth OFDM symbol, and ninth OFDM symbol; In the subframe, at least one of the ACK and the NACK is carried on the RE of at least two second OFDM symbols: a first OFDM symbol, a second OFDM symbol, a third OFDM symbol, and a fifth OFDM symbol , a sixth OFDM symbol, a seventh OFDM symbol, an eighth OFDM symbol, and a ninth OFDM symbol.
- the processor 42 is specifically configured to acquire the RI that is carried on the RE of the first OFDM symbol, and acquire at least one of the ACK and the NACK that are carried on the RE of the second OFDM symbol. Obtaining at least one of the CQI, the PMI, and the data in the PUSCH that are carried on the first RE, where the first RE does not carry the UL DMRS, does not carry the RI, and does not carry the ACK or NACK RE.
- the processor 42 is specifically configured to acquire a first part of the RI that is carried on an RE of a second OFDM symbol of the uplink subframe and an RE of a sixth OFDM symbol, and Transmitting a second part of the RI of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol except the first part; and acquiring the bearer in the uplink subframe a first part of at least one of the ACK and the NACK on the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the RE and the 7th of the 1st OFDM symbol carried in the uplink subframe a second portion of the at least one of the ACK and the NACK on the RE of the OFDM symbol except the first portion.
- the processor 42 is specifically configured to acquire a first part of the RI that is carried on an RE of a second OFDM symbol of the uplink subframe and an RE of a sixth OFDM symbol, and Transmitting a second part of the RI of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol except the first part; and acquiring the bearer in the uplink subframe At least one of an RE of the first OFDM symbol, an RE of the third OFDM symbol, an RE of the fifth OFDM symbol, and the ACK and NACK on the RE of the seventh OFDM symbol.
- the processor 42 is specifically configured to acquire an RE of the first OFDM symbol, an RE of the second OFDM symbol, an RE of the sixth OFDM symbol, and a first OFDM symbol that are carried in the uplink subframe. And the RI on the RE of the 7 OFDM symbols; and acquiring the at least one of the ACK and the NACK carried on the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol a part, and the ACK and the NACK carried on the RE of the 1st OFDM symbol of the uplink subframe, the RE of the 2nd OFDM symbol, the RE of the 6th OFDM symbol, and the RE of the 7th OFDM symbol a second portion of at least one other than the first portion.
- the processor 42 is specifically configured to acquire a first part of the RI that is carried by the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and Transmitting a second part of the RI of the 8th OFDM symbol of the uplink subframe and the RI of the 9th OFDM symbol except the first part; and acquiring the bearer in the uplink subframe a first portion of at least one of the ACK and the NACK on the RE of the 3rd OFDM symbol and the RE of the 5th OFDM symbol, and the RE and the 6th of the 2nd OFDM symbol carried in the uplink subframe a second portion of the at least one of the ACK and NACK on the RE of the OFDM symbol except the first portion.
- the processor 42 is specifically configured to acquire a first part of the RI that is carried by the RE of the first OFDM symbol of the uplink subframe and the RE of the seventh OFDM symbol, and Transmitting a second part of the RI of the 8th OFDM symbol of the uplink subframe and the RI of the 9th OFDM symbol except the first part; and acquiring the bearer in the uplink subframe At least one of the RE of the second OFDM symbol, the RE of the third OFDM symbol, the RE of the fifth OFDM symbol, and the ACK and NACK on the RE of the sixth OFDM symbol.
- the processor 42 acquires the RE of the 1st OFDM symbol, the RE of the 7th OFDM symbol, the RE of the 8th OFDM symbol, and the 9th OFDM that are carried in the uplink subframe.
- the RI on the RE of the symbol; and acquiring a first portion of at least one of the ACK and the NACK carried in the RE of the 3rd OFDM symbol of the uplink subframe and the RE of the 5th OFDM symbol, and And a second portion of the at least one of the ACK and the NACK that are carried on the second OFDM symbol of the uplink subframe and the RE of the sixth OFDM symbol except the first portion.
- the receiver 41 is further configured to receive the indication information sent by the UE, where the indication information is used to indicate that the RI and the RE occupied by at least one of the ACK and the NACK are in a time frequency of the uplink subframe. a location in the resource; the processor 42 is specifically configured to acquire the RI that is carried on the RE of the first OFDM symbol according to the indication information received by the receiver 41; acquire the bearer according to the indication information received by the receiver 41. At least one of the ACK and the NACK on the RE of the second OFDM symbol.
- the time-frequency resource includes at least one of the following resources: a resource block, a resource block pair, and a resource block group.
- the base station in this embodiment may be used to perform the technical solution executed by the base station in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- FIG. 26 is a schematic structural diagram of Embodiment 4 of a UE according to the present invention.
- the first uplink demodulation reference signal UL DMRS pattern an orthogonal frequency division in a first uplink subframe is used in this embodiment.
- the resource element RE in the OFDM symbol is used to carry the UL DMRS, or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, a second All the two OFDM symbols in the uplink subframe are used to carry the UL DMRS.
- the UE in this embodiment may include: a receiving unit 51 and a sending unit 52, where the receiving unit 51 is configured to receive trigger information sent by the base station.
- the triggering information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern; And receiving, by the receiving unit 51, the trigger information, and transmitting the uplink control information UCI to the second uplink subframe according to the second UL DMRS pattern, and sending the information to the base station.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- the apparatus in this embodiment is based on the apparatus structure shown in FIG. 26, in the first feasible implementation manner, the trigger information is downlink control information DCI; a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink sub-frame according to the second UL DMRS pattern. frame.
- the trigger information is a DCI indication corresponding to the uplink subframe, and the channel status information request CSI request in the DCI indication is used to trigger the UE according to the first UL DMRS. Transmitting the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH,
- the format of the PDCCH is the DCI format used for uplink scheduling.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the first uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the second uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- FIG. 27 is a schematic structural diagram of Embodiment 6 of a UE according to the present invention.
- the first uplink demodulation reference signal UL DMRS pattern an orthogonal frequency division in a first uplink subframe is used in this embodiment.
- the resource element RE in the OFDM symbol is used to carry the UL DMRS, or a part of the two OFDM symbols in a first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, a second All the two OFDM symbols in the uplink subframe are used to carry the UL DMRS.
- the UE in this embodiment may include: a receiver 61 and a transmitter 62, where the receiver 61 is configured to receive the trigger information sent by the receiving base station.
- the triggering information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern; And transmitting, according to the trigger information received by the receiver 61, the uplink control information UCI to the second uplink subframe according to the second UL DMRS pattern, and sending the uplink control information to the base station.
- the trigger information is downlink control information.
- the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to be converted according to the second UL DMRS pattern. Sending the second uplink subframe.
- the trigger information is a DCI indication corresponding to the uplink subframe
- the channel status information request CSI request in the DCI indication is used to trigger the UE according to the first UL DMRS. Transmitting the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, and the format of the PDCCH is a DCI format for uplink scheduling.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the first uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the second uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the UE in this embodiment may be used to perform the technical solution executed by the UE in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- FIG. 28 is a schematic structural diagram of Embodiment 4 of a base station according to the present invention.
- the first uplink demodulation reference signal UL DMRS pattern one orthogonal frequency division in a first uplink subframe is used in this embodiment.
- the resource element RE in the OFDM symbol is used to carry the UL DMRS, or a part of the two OFDM symbols in the first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, a All of the two OFDM symbols in the second uplink subframe are used to carry the UL DMRS.
- the base station in this embodiment may include: a sending unit 71, a receiving unit 72, and an obtaining unit 73, where the sending unit 71 is configured to use the user equipment.
- the UE sends a trigger message, The triggering information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern;
- Receiving, by the second uplink subframe that is sent by the UE according to the second UL DMRS pattern; the acquiring unit 73 is configured to acquire, according to the second UL DMRS pattern, the second uplink that is received by the receiving unit The UCI in the frame.
- the base station in this embodiment may be used to perform the technical solution executed by the base station in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- the base station in this embodiment is based on the device structure shown in FIG. 28.
- the trigger information is downlink control information DCI; a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink sub-frame according to the second UL DMRS pattern. frame.
- the trigger information is a DCI indication corresponding to the uplink subframe
- the channel status information request CSI request in the DCI indication is used to trigger the UE according to the first UL DMRS. Transmitting the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, and the format of the PDCCH is a DCI format for uplink scheduling.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the first uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the second uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the base station in this embodiment may be used to perform the execution performed by the base station in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- the details refer to related descriptions in the foregoing method embodiments of the present invention, and details are not described herein again.
- FIG. 29 is a schematic structural diagram of Embodiment 6 of a base station according to the present invention.
- the first uplink demodulation reference signal UL DMRS pattern an orthogonal frequency division in a first uplink subframe is used in this embodiment.
- the resource element RE in the OFDM symbol is used to carry the UL DMRS, or a part of the two OFDM symbols in the first uplink subframe is used to carry the UL DMRS; in the second UL DMRS pattern, a All of the two OFDM symbols in the two uplink subframes are used to carry the UL DMRS.
- the base station in this embodiment may include: a transmitter 81, a receiver 82, and a processor 83, where the transmitter 81 is used to the user equipment.
- the UE sends the trigger information, where the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink subframe according to the second UL DMRS pattern.
- the receiver 82 is configured to receive the second uplink subframe that is sent by the UE according to the second UL DMRS pattern, where the processor 83 is configured to acquire, according to the second UL DMRS pattern, a bearer received at the receiver.
- the UCI second uplink subframe may include: a transmitter 81, a receiver 82, and a processor 83, where the transmitter 81 is used to the user equipment.
- the UE sends the trigger information, where the trigger information is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to send the second uplink sub
- the trigger information is downlink control information.
- the DCI includes a 1-bit indicator bit, where the 1-bit indicator bit is used to trigger the UE to send the first uplink subframe according to the first UL DMRS pattern to be converted according to the second UL DMRS pattern. Sending the second uplink subframe.
- the trigger information is a DCI indication corresponding to the uplink subframe
- the channel status information request CSI request in the DCI indication is used to trigger the UE according to the first UL DMRS. Transmitting the first uplink subframe to send the second uplink subframe according to the second UL DMRS pattern.
- the DCI indication is carried in a physical downlink control channel PDCCH, and the format of the PDCCH is a DCI format for uplink scheduling.
- the DCI format for uplink scheduling includes DCI format 0 or DCI format 4.
- the first uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the first uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the first uplink subframe.
- the second uplink subframe is a subframe that carries a physical uplink control channel PUCCH, and the PUCCH and the physical uplink shared channel PUSCH cannot be simultaneously transmitted on the second uplink subframe.
- the triggering information is further used to indicate that the UE sends scheduling information of the PUSCH in the second uplink subframe.
- the base station in this embodiment may be used to perform the technical solution executed by the base station in the foregoing method embodiment of the present invention.
- the implementation principle and the technical effect are similar.
- the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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CN201380001991.9A CN104871619B (zh) | 2013-06-17 | 2013-06-17 | 上行控制信息传输方法、用户设备和基站 |
EP13887159.5A EP2999282B1 (en) | 2013-06-17 | 2013-06-17 | Uplink control information transmission method, user equipment and base station |
PCT/CN2013/077351 WO2014201614A1 (zh) | 2013-06-17 | 2013-06-17 | 上行控制信息传输方法、用户设备和基站 |
US14/971,668 US9888462B2 (en) | 2013-06-17 | 2015-12-16 | Uplink control information transmission method, user equipment, and base station |
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CN109923818B (zh) * | 2016-11-04 | 2021-10-26 | 高通股份有限公司 | 用于映射上行链路控制信息的系统和方法 |
CN110140401A (zh) * | 2017-01-06 | 2019-08-16 | 株式会社Ntt都科摩 | 用户装置、基站及解调用参考信号发送方法 |
CN109787712A (zh) * | 2017-11-15 | 2019-05-21 | 中国移动通信有限公司研究院 | 一种上行控制信息的发送、接收方法、终端及网络设备 |
CN110798292A (zh) * | 2018-08-02 | 2020-02-14 | 维沃移动通信有限公司 | 映射反馈信息的方法和装置 |
WO2020024790A1 (zh) * | 2018-08-02 | 2020-02-06 | 维沃移动通信有限公司 | 映射反馈信息的方法和装置 |
WO2020221205A1 (zh) * | 2019-04-29 | 2020-11-05 | 维沃移动通信有限公司 | 上行控制信息发送、接收方法、终端及网络侧设备 |
CN111278129A (zh) * | 2019-04-29 | 2020-06-12 | 维沃移动通信有限公司 | 上行控制信息发送、接收方法、终端及网络侧设备 |
CN111278129B (zh) * | 2019-04-29 | 2023-03-14 | 维沃移动通信有限公司 | 上行控制信息发送、接收方法、终端及网络侧设备 |
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EP2999282A1 (en) | 2016-03-23 |
EP2999282A4 (en) | 2016-06-29 |
US20160100398A1 (en) | 2016-04-07 |
US9888462B2 (en) | 2018-02-06 |
EP2999282B1 (en) | 2017-10-11 |
CN104871619A (zh) | 2015-08-26 |
CN104871619B (zh) | 2019-08-20 |
JP2016527758A (ja) | 2016-09-08 |
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