WO2011147263A1 - Uci信息传输的配置方法和设备 - Google Patents
Uci信息传输的配置方法和设备 Download PDFInfo
- Publication number
- WO2011147263A1 WO2011147263A1 PCT/CN2011/074050 CN2011074050W WO2011147263A1 WO 2011147263 A1 WO2011147263 A1 WO 2011147263A1 CN 2011074050 W CN2011074050 W CN 2011074050W WO 2011147263 A1 WO2011147263 A1 WO 2011147263A1
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- WIPO (PCT)
- Prior art keywords
- terminal device
- uplink
- carrier
- base station
- uplink component
- Prior art date
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Classifications
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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
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and a device for configuring UCI information transmission. Background technique
- FIG. 1 shows a CA (Carrier Aggregation) technology, which aggregates some spectrums allocated to an existing system and supplies them into a large-bandwidth multi-carrier system for use in a long-term evolution multi-carrier system. It can be asymmetrically configured, that is, the user may occupy N > 1 carrier for downlink transmission, and M > 1 carrier for uplink transmission, as shown in Figure 2.
- CA Carrier Aggregation
- UCI (Uplink Control Information) information includes CQI (Channel Quality Indicator) / PMI (Precording Matrix Indicator) / RI ( Rank Indicator) and ACK (Acknowledgement Confirm) /NACK ( Negative Acknowledgement) feedback.
- CQI Cholog Quality Indicator
- PMI Precording Matrix Indicator
- RI Rank Indicator
- ACK Acknowledgement Confirm
- NACK Negative Acknowledgement
- the UCI information can be transmitted on the PUCCH (Physical Uplink Control Channel) or on the PUSCH (Physical Uplink Shared Channel). Channel) is multiplexed with data.
- the aperiodic reporting of the CQI/PMI/RI information is transmitted in the PUSCH and triggered by the lbit CQI request information in the UL grant (Uplink grant).
- the UE When the UE detects that the information bit is set to 1 in the UL grant, the UE organizes the relevant CQI/PMI/RI information according to the pre-configured feedback mode to be multiplexed to The transmission is performed in the PUSCH, otherwise it is not transmitted.
- the periodic reporting of CQI/PMI/RI information is transmitted in the PUCCH according to a pre-configured reporting period.
- the ACK/NACK feedback information is compatible with the LTE system, and the LTE-A system supports UCI transmission on PUCCH and/or PUSCH.
- the LTE-A system currently determines that a maximum of five carriers can be supported for aggregation, that is, one UE can simultaneously have multiple PUSCH scheduled transmissions in the same uplink subframe.
- the LTE-A system has determined that UCI information can only be transmitted on one PUSCH in one uplink subframe. Therefore, when the UE transmits the UCI using the PUSCH in one uplink subframe, it is necessary to determine which PUSCH to use for UCI transmission.
- the embodiment of the invention provides a method and a device for configuring UCI information transmission, which solves the problem of which PUSCH information is transmitted in the multi-PUSCH scenario.
- an embodiment of the present invention provides a method for configuring UCI information transmission, including:
- the terminal device selects an uplink member carrier in its own set of uplink component carriers according to a pre-agreed selection rule or a received carrier selection indication information sent by the base station;
- an embodiment of the present invention further provides a terminal device, including: a selecting module, configured to select an uplink component carrier in the set of uplink component carriers according to the pre-agreed selection rule or the carrier selection indication information sent by the received base station;
- an embodiment of the present invention further provides a configuration method for UCI information transmission, including:
- the base station selects an uplink component carrier in the uplink component carrier set of the terminal device according to a pre-agreed selection rule or according to a configuration situation of the terminal device and a current scheduling situation;
- the base station receives UCI information transmitted by the terminal device by using the selected PUSCH on the uplink component carrier.
- a base station including:
- a selecting module configured to select an uplink component carrier in an uplink component carrier set of the terminal device according to a pre-defined selection rule or according to a configuration situation of the terminal device and a current scheduling situation;
- a receiving module configured to receive UCI information transmitted by the terminal device by using a PUSCH on the uplink component carrier selected by the selecting module.
- the embodiment of the invention has the following advantages:
- the UE when the UE has multiple PUSCH scheduling transmissions in one uplink subframe, the UE transmits the UCI information on one PUSCH, and the solution is solved.
- the LTE-A system when multiple PUSCH transmissions exist simultaneously in one uplink subframe, how does the UE transmit only on one PUSCH?
- FIG. 1 is a schematic diagram of a single spectrum system in the prior art
- FIG. 2 is a schematic diagram of a spectrum aggregation system in the prior art
- FIG. 3 is a schematic flowchart of a method for configuring UCI information transmission according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of a method for configuring UCI information transmission on a base station side according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- the UE can work on multiple aggregated uplink component carriers at the same time. Therefore, in one uplink subframe, multiple PUSCH transmissions may exist simultaneously on multiple uplink component carriers.
- the LTE-A system supports UCI transmission on the PUSCH, and it has been determined that in one uplink subframe, UCI information is transmitted on only one PUSCH.
- the UE needs to transmit UCI information on the PUSCH, and there are multiple PUSCH transmissions in the current uplink subframe, how to determine which PUSCH transmission of the UCI information is not yet clear.
- the embodiment of the invention provides a method for configuring UCI to transmit on a PUSCH. As shown in FIG. 3, it is a schematic flowchart of a method for configuring UCI information transmission according to an embodiment of the present invention, where the method specifically includes the following steps:
- Step S301 The terminal device selects one uplink component carrier in its own uplink component carrier set according to the pre-agreed selection rule or the received carrier selection indication information sent by the base station.
- Case 1 When the terminal device and the base station pre-agreed the selection rule, the terminal device selects one uplink component carrier in its own uplink component carrier set according to the selection rule.
- Case 2 The terminal device selects an uplink member carrier in its own uplink component carrier set according to the carrier selection indication information carried in the high layer signaling sent by the received base station.
- Case 3 The terminal device selects one uplink component carrier in its own uplink component carrier set according to the carrier selection indication information carried in the received PDCCH signaling.
- the corresponding uplink component carrier selection includes the following three types:
- the pre-agreed selection rule preferentially stipulates that the terminal device selects the uplink primary carrier in the uplink component carrier set.
- the pre-agreed selection rule preferentially stipulates that when the terminal device has PUSCH transmission on the uplink primary carrier, the terminal device selects the uplink primary carrier in the uplink component carrier set.
- the pre-agreed selection rule may stipulate that the terminal device selects one uplink secondary carrier in the uplink secondary carrier with the PUSCH transmission according to the carrier number, for example, may select to have the PUSCH.
- the priority indication terminal device selects the uplink primary carrier in the uplink component carrier set.
- the specific application of the foregoing selection may be selected according to a specific configuration, and such a change does not affect the protection scope of the present invention.
- Step S302 The terminal device transmits the UCI information to the base station by using the PUSCH on the selected uplink component carrier.
- the terminal device If the terminal device has a PUSCH transmission (including a PUSCH corresponding to the PDCCH and a semi-persistent SPS PUSCH without a corresponding PDCCH) in the current uplink subframe, the terminal device passes the PUSCH direction on the selected uplink component carrier.
- the base station transmits the UCI information, and if the PUSCH transmission exists on the other uplink component carriers of the terminal device, the PUSCH of the terminal device transmits only the uplink data information on the other uplink component carriers; or
- the terminal device If the terminal device does not have a PUSCH transmission in the selected uplink component carrier in the current uplink subframe (including the case that the PUSCH scheduling indication UL grant or the lost PUSCH scheduling indication is not received), the terminal device passes the PUCCH on the uplink primary carrier.
- the UCI information is transmitted to the base station, and if there is a PUSCH transmission on the other uplink component carriers of the terminal device, the PUSCH of the terminal device on the other uplink component carriers only transmits the uplink data information.
- FIG. 4 it is a schematic flowchart of a UCI information transmission configuration method on a network side according to an embodiment of the present invention, which specifically includes the following steps:
- Step S401 The base station selects an uplink component carrier in the uplink component carrier set of the terminal device according to the pre-agreed selection rule or according to the configuration of the terminal device and the current scheduling situation.
- Case 1 When the base station and the terminal device pre-arrange the selection rule, the base station selects one uplink component carrier in the uplink component carrier set of the terminal device according to the selection rule.
- the base station selects an uplink component carrier in the uplink component carrier set of the terminal device according to the configuration of the terminal device and the current scheduling situation, and sends the carrier selection indication information to the terminal device through the high layer signaling, and notifies the result of the selection. Terminal Equipment.
- Case 3 The base station selects an uplink component carrier in the uplink component carrier set of the terminal device according to the configuration of the terminal device and the current scheduling situation, and passes the
- the PDCCH transmits carrier selection indication information to the terminal device, and notifies the terminal device of the result of the selection.
- the corresponding uplink component carrier selection includes the following three types:
- the pre-agreed selection rule preferentially agrees that the base station selects the uplink primary carrier in the uplink member carrier set of the terminal device.
- the pre-agreed selection rule preferentially stipulates that when the base station schedules PUSCH transmission on the uplink primary carrier of the terminal device, the base station selects the uplink primary carrier in the uplink component carrier set of the terminal device.
- the preset selection rule may be used by the base station to select an uplink secondary carrier from the uplink secondary carrier that has scheduled the PUSCH transmission to the terminal device according to the carrier number. For example, an uplink secondary carrier with the smallest carrier number scheduled for PUSCH transmission may be selected.
- the base station preferentially selects the uplink primary carrier in the uplink component carrier set of the terminal device according to the configuration of the terminal device and the current scheduling situation.
- the specific application of the foregoing selection may be selected according to a specific configuration, and such a change does not affect the protection scope of the present invention.
- Step S402 The base station receives the UCI information transmitted by the terminal device by using the PUSCH on the selected uplink component carrier.
- the base station schedules a PUSCH transmission (including a PUSCH having a corresponding PDCCH and a PUSCH having no corresponding PDCCH) in the current uplink subframe, the base station receives the terminal device through the PUSCH on the selected uplink component carrier.
- UCI information transmitted and if the base station is on other uplink component carriers of the terminal device The PUSCH transmission is scheduled at the same time, and the base station receives the uplink data information only on the PUSCH of the other uplink component carriers; or
- the base station If the base station does not schedule PUSCH transmission in the selected uplink component carrier in the current uplink subframe, the base station receives the UCI information transmitted by the terminal device by using the PUCCH in the uplink primary carrier, and if the base station schedules on other uplink component carriers of the terminal device For PUSCH transmission, the base station only receives uplink data information on the PUSCH on other uplink component carriers.
- the embodiment of the invention has the following advantages:
- the UE when the UE has multiple PUSCH scheduling transmissions in one uplink subframe, the UE transmits the UCI information on one PUSCH, and the solution is solved.
- the LTE-A system when there are multiple PUSCH transmissions in one uplink subframe, how does the UE transmit UCI information only on one PUSCH?
- the technical solutions proposed in the embodiments of the present invention are described below in conjunction with specific application scenarios.
- the UE may have multiple PUSCH transmissions simultaneously on multiple uplink component carriers.
- the UE transmits UCI information on the PUSCH
- the UE needs to determine the PUSCH that specifically transmits the UCI information.
- the method for determining the PUSCH includes:
- the method is as follows: The base station and the UE pre-agreed to schedule the PUSCH on an uplink component carrier in the Uplink Common Carrier Set (UL CC Set) to transmit UCI information without additional signaling, where the priority agreement is scheduled.
- the PUSCH on the uplink primary carrier is used to transmit UCI information; when there is no PUSCH transmission on the uplink primary carrier, the base station and the UE may pre-arrange to select one uplink secondary carrier from the uplink secondary carrier with PUSCH transmission according to the carrier number, for example, The PUSCH on the uplink secondary carrier with the smallest carrier number with the PUSCH transmission is pre-agreed to transmit the UCI information.
- Method 2 The base station determines, according to the UE configuration situation and the actual scheduling situation, that the PUSCH scheduled to be transmitted on one uplink component carrier in the uplink component carrier set (UL CC Set) is used for transmitting
- the UCI information is transmitted, and the UE is semi-statically notified by the high layer signaling, wherein the PUSCH scheduled to be scheduled on the uplink primary carrier is used to transmit the UCI information.
- Method 3 The base station determines, according to the UE configuration situation and the actual scheduling situation, that the PUSCH scheduled to be transmitted on an uplink component carrier in the uplink component carrier set (UL CC Set) is used to transmit UCI information, and dynamically notifies the UE through the PDCCH, where if the uplink There is a PUSCH scheduling on the primary carrier, and the PUSCH scheduled to be scheduled on the uplink primary carrier is used to transmit UCI information.
- the specific UCI information is used in the embodiment of the present invention.
- the transmission process is as follows: Case 1: If the UE configures/agrees the PUSCH transmission UCI information on the uplink primary carrier, and the UE has PUSCH transmission on the uplink primary carrier in the current uplink subframe, the UE is on the uplink primary carrier. The PUSCH transmits the UCI information. At this time, if the UE has the PUSCH transmission on the other uplink component carriers, the PUSCH on the corresponding uplink component carrier only transmits the uplink data.
- Case 2 If the UE configures/agrees the PUSCH transmission UCI information on the uplink primary carrier, and the UE does not have the PUSCH transmission on the uplink primary carrier in the current uplink subframe, the UE uses the PUCCH to transmit the UCI on the uplink primary carrier. Information; At this time, if the UE has PUSCH transmission on other uplink component carriers, the corresponding uplink component carrier
- the PUSCH only transmits uplink data.
- Case 3 If the UE configures/agrees that there is a PUSCH transmission on the uplink primary carrier, the PUSCH transmits the UCI information on the uplink primary carrier, and in the current uplink subframe, the UE does not have the PUSCH transmission on the uplink primary carrier, The UE transmits the UCI information on the PUSCH on the uplink secondary carrier with the minimum carrier number of the PUSCH transmission. At this time, if the UE has the PUSCH transmission on the other uplink component carriers, the PUSCH on the corresponding uplink component carrier only transmits the uplink data.
- Case 4 If the UE configures/agrees the PUSCH transmission UCI information on one uplink component carrier except the uplink primary carrier, and in the current uplink subframe, the UE is on the uplink If there is a PUSCH transmission on the component carrier, the UE transmits the UCI information on the PUSCH of the uplink component carrier. In this case, if the UE has the PUSCH transmission on the other uplink component carriers, the PUSCH on the corresponding uplink component carrier only transmits the uplink data.
- Case 5 If the UE configures/agrees the PUSCH transmission UCI information on one uplink component carrier except the uplink primary carrier, and the UE does not have PUSCH transmission on the uplink component carrier in the current uplink subframe, the UE is The UCI information is transmitted on the uplink primary carrier by using the PUCCH. In this case, if the UE has PUSCH transmission on other uplink component carriers, the PUSCH on the corresponding uplink component carrier only transmits uplink data.
- the embodiment of the invention has the following advantages:
- the embodiment of the present invention when the UE has multiple PUSCH scheduling transmissions in one uplink subframe, the UE transmits the UCI information on one PUSCH, and the solution is solved.
- the embodiment of the present invention when there are multiple PUSCH transmissions in one uplink subframe, how does the UE transmit UCI information only on one PUSCH?
- the embodiment of the present invention further provides a terminal device, and a schematic structural diagram thereof is shown in FIG. 5, which specifically includes:
- the selecting module 51 is configured to select an uplink component carrier in the set of uplink component carriers according to the pre-agreed selection rule or the carrier selection indication information sent by the received base station;
- the transmitting module 52 is configured to transmit UCI information to the base station by using the PUSCH on the uplink component carrier selected by the selecting module 51.
- the selecting module 51 selects an uplink component carrier in its own uplink component carrier set according to the selection rule.
- the pre-agreed selection rule preferentially appoints that the terminal device selects the uplink primary carrier in the uplink member carrier set;
- the pre-agreed selection rule preferentially stipulates that when the terminal device has a PUSCH transmission on the uplink primary carrier, the terminal device selects the uplink primary carrier in the uplink component carrier set. Wave.
- the terminal device further includes:
- the receiving module 53 is configured to receive carrier selection indication information carried by the base station by using the high layer signaling, or to receive carrier selection indication information carried by the base station by using the PDCCH signaling.
- the carrier selection indication information carried in the high-level signaling received by the receiving module 53 or the carrier selection indication information carried in the PDCCH signaling preferentially instructs the terminal device to select an uplink primary carrier in the uplink component carrier set.
- transmission module 52 is specifically used for:
- the transmission module 52 transmits the UCI information to the base station through the PUSCH on the selected uplink component carrier, and if the terminal device has other uplinks.
- a PUSCH transmission exists on the component carrier, and the PUSCH of the other uplink component carrier of the transmission module 52 transmits only the uplink data information; or
- the transmission module 52 transmits the UCI information to the base station through the PUCCH on the uplink primary carrier, and if other uplink members of the terminal device There is a PUSCH transmission on the carrier, and the PUSCH on the other uplink component carriers of the transmission module 52 only transmits uplink data information.
- an embodiment of the present invention further provides a base station, and a schematic structural diagram thereof is shown in FIG. 6, which specifically includes:
- the selecting module 61 is configured to select an uplink component carrier in the uplink component carrier set of the terminal device according to the pre-agreed selection rule or according to the configuration of the terminal device and the current scheduling situation;
- the receiving module 62 is configured to receive UCI information transmitted by the terminal device by using the PUSCH on the uplink component carrier selected by the selecting module 61.
- the selecting module 61 selects one uplink component carrier in its own uplink component carrier set according to the selection rule.
- the pre-agreed selection rule preferentially agrees that the base station selects an uplink primary carrier in the uplink component carrier set; or
- the pre-agreed selection rule preferentially stipulates that when the base station schedules PUSCH transmission on the uplink primary carrier of the terminal device, the base station selects the uplink primary carrier in the uplink component carrier set.
- the base station further includes:
- the sending module 63 is configured to: after the selecting module 61 selects an uplink component carrier in the uplink component carrier set of the terminal device according to the configuration of the terminal device and the current scheduling situation, send the uplink component carrier to the terminal device by using high layer signaling or PDCCH signaling.
- the carrier selection indication information notifies the terminal device of the result selected by the selection module 61.
- the selecting module 61 preferentially selects an uplink primary carrier in the uplink component carrier set of the terminal device according to the configuration of the terminal device and the current scheduling situation, and notifies the terminal by using the carrier selection indication information in the high layer signaling or the PDCCH signaling. device.
- receiving module 62 is specifically configured to:
- the receiving module 62 receives the UCI information transmitted by the terminal device through the PUSCH on the selected uplink component carrier, and if the base station is at the terminal The PUSCH transmission is simultaneously scheduled on the other uplink component carriers of the device, and the receiving module 62 receives the uplink data information only on the PUSCH of the other component carriers; or
- the receiving module 62 receives the UCI information transmitted by the terminal device through the PUCCH on the uplink primary carrier, and if the base station is in the terminal device The PUSCH transmission is scheduled on the other uplink component carriers, and the receiving module 62 receives the uplink data information only on the PUSCHs of other component carriers.
- the embodiment of the invention has the following advantages:
- the UE when the UE has multiple PUSCH scheduling transmissions in one uplink subframe, the UE transmits the UCI information on one PUSCH, and the solution is solved.
- the LTE-A system when an uplink When there are multiple PUSCH transmissions in a subframe, how does the UE transmit UCI information on only one PUSCH?
- a form of software product is embodied, the computer software product being stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the present invention.
- a computer device which may be a personal computer, a server, or a network device, etc.
- modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
- the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11786035.3A EP2579667B1 (en) | 2010-05-24 | 2011-05-13 | Configuration method and device for transmitting uplink control information (uci) |
KR1020127023359A KR20120125352A (ko) | 2010-05-24 | 2011-05-13 | Uci 정보 전송의 배치 방법과 장치 |
JP2013511517A JP5566531B2 (ja) | 2010-05-24 | 2011-05-13 | Uci情報伝送の配置方法と設備 |
US13/704,232 US9839012B2 (en) | 2010-05-24 | 2011-05-13 | Configuration method and device for transmitting uplink control information (UCI) |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010189258.2 | 2010-05-24 | ||
CN201010189258.2A CN102104972B (zh) | 2010-05-24 | 2010-05-24 | Uci信息传输的配置方法和设备 |
Publications (1)
Publication Number | Publication Date |
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WO2011147263A1 true WO2011147263A1 (zh) | 2011-12-01 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/CN2011/074050 WO2011147263A1 (zh) | 2010-05-24 | 2011-05-13 | Uci信息传输的配置方法和设备 |
Country Status (6)
Country | Link |
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US (1) | US9839012B2 (zh) |
EP (1) | EP2579667B1 (zh) |
JP (1) | JP5566531B2 (zh) |
KR (1) | KR20120125352A (zh) |
CN (1) | CN102104972B (zh) |
WO (1) | WO2011147263A1 (zh) |
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US9918303B2 (en) | 2012-01-17 | 2018-03-13 | Lg Electronics Inc. | Method and apparatus for transmitting uplink control information in wireless communication system |
US10568074B2 (en) | 2012-01-17 | 2020-02-18 | Lg Electronics Inc. | Method and apparatus for transmitting uplink control information in wireless communication system |
US11129149B2 (en) | 2012-01-17 | 2021-09-21 | Lg Electronics Inc. | Method and apparatus for transmitting uplink control information in wireless communication system |
Also Published As
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EP2579667B1 (en) | 2020-03-25 |
KR20120125352A (ko) | 2012-11-14 |
EP2579667A1 (en) | 2013-04-10 |
CN102104972A (zh) | 2011-06-22 |
JP5566531B2 (ja) | 2014-08-06 |
EP2579667A4 (en) | 2016-08-10 |
CN102104972B (zh) | 2014-01-29 |
JP2013531929A (ja) | 2013-08-08 |
US9839012B2 (en) | 2017-12-05 |
US20130176957A1 (en) | 2013-07-11 |
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