WO2018201969A1 - 下行信道传输、接收方法、装置、基站及终端 - Google Patents
下行信道传输、接收方法、装置、基站及终端 Download PDFInfo
- Publication number
- WO2018201969A1 WO2018201969A1 PCT/CN2018/084663 CN2018084663W WO2018201969A1 WO 2018201969 A1 WO2018201969 A1 WO 2018201969A1 CN 2018084663 W CN2018084663 W CN 2018084663W WO 2018201969 A1 WO2018201969 A1 WO 2018201969A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- downlink control
- control channel
- physical downlink
- group common
- common physical
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
Definitions
- the present disclosure relates to the field of communications, and in particular, to a downlink channel transmission and reception method, apparatus, base station, and terminal.
- the mobile Internet is subverting the traditional mobile communication business model, providing users with an unprecedented experience, which has a profound impact on all aspects of people's work and life.
- the further development of the mobile Internet will bring about a thousand times increase in mobile traffic in the future, and promote a new round of changes in mobile communication technologies and industries.
- the Internet of Things has expanded the range of services for mobile communications, from human-to-human communication to the intelligent interconnection of people and things, things and things, making mobile communication technology penetrate into a wider range of industries and fields.
- massive device connectivity and diverse IoT services will also bring new technical challenges to mobile communications.
- the related LTE FDD system uses a frame structure type 1 (FS1).
- FS1 frame structure type 1
- the uplink and downlink transmissions use different carrier frequencies, and both the uplink and downlink transmissions use the same frame structure.
- a 10ms-length radio frame contains 10 1ms subframes, each of which is divided into two 0.5ms long slots.
- the TTI duration of uplink and downlink data transmission is 1 ms.
- the related LTE TDD system uses a frame structure type 2 (FS2).
- FS2 frame structure type 2
- uplink and downlink transmissions use different subframes or different time slots on the same frequency.
- Each 10 ms radio frame in FS2 consists of two 5 ms half frames, each of which contains five subframes of 1 ms length.
- the subframes in FS2 are classified into three types: a downlink subframe, an uplink subframe, and a special subframe, and each subframe includes at least one downlink subframe and at least one uplink subframe, and at most one special subframe.
- the PDCCH (physical downlink control channel) of the LTE system is used to carry scheduling information and other control information. There may be multiple PDCCHs in the control region of each downlink subframe, and the size of the control region is determined by a PCFICH (Physical Control Format Indicator Channel).
- the transmission of one control channel occupies one CCE (control channel element) or multiple consecutive CCEs, and each CCE consists of 9 REGs (resource element groups).
- the UE monitors the PDCCH candidate set in the non-DRX subframe, that is, attempts to decode each PDCCH in the search space according to the downlink control information format DCI (Downlink Control Information) format to be monitored.
- DCI Downlink Control Information
- an EPDCCH (Enhanced Physical Downlink Control Channel, Enhanced Physical Downlink Control Channel) is introduced in Rel-11.
- the EPDCCH is transmitted in a data area in a subframe, and cannot occupy the transmission space of the PDCCH.
- the terminal in which the EPDCCH is configured detects the received EPDCCH in the physical resource block set PRB (Physical Resource Block) set configured in each subframe.
- PRB Physical Resource Block
- the TTI length is fixed to 1 ms, and one or more PDCCHs are transmitted on the first N OFDM symbols of each TTI or a set of physical resource blocks in the data region are transmitted on the PRB pair or in multiple consecutive
- the UE blindly checks its own PDCCH on the CSS (Common Search Space) or USS (UE Specific Search Space) according to the information obtained.
- the UE In a future mobile communication system, it is necessary to introduce a group common physical downlink control channel group common PDCCH that schedules or notifies a group of terminal related information.
- group common PDCCH that schedules or notifies a group of terminal related information.
- the technical problem to be solved by the present disclosure is to provide a downlink channel transmission and reception method, an apparatus, a base station, and a terminal, and how to transmit a group common PDCCH for scheduling or notifying a group of terminal related information in the related art. There is no clear solution, causing the terminal to not know how to receive the group common PDCCH.
- an embodiment of the present disclosure provides a downlink channel transmission method, which is applied to a base station, and includes: indicating, by display or implicit manner, a transmission period of a group common physical downlink control channel.
- the sending period of the public physical downlink control channel of the group is indicated in an implicit manner, including: determining, by using a protocol, a sending period of the public physical downlink control channel of the group.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the method further includes: determining, according to the protocol, the sending period and the starting slot position of the group common physical downlink control channel, and determining the sending time slot; A group common physical downlink control channel is transmitted on the transmission slot.
- the sending period of the public physical downlink control channel of the group is indicated by the manner of displaying, including: sending, by using broadcast signaling, a sending period of the common physical downlink control channel of the group to notify all terminals in the coverage of the base station.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or notifying, by using broadcast signaling, a starting time slot position sent by the group common physical downlink control channel, to notify the base station All terminals within coverage.
- the initial slot position sent by the group public physical downlink control channel is determined by the protocol, or the initial slot position sent by the group common physical downlink control channel is notified by broadcast signaling to all terminals in the coverage of the base station. And the method further includes: determining a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel; and sending a group common physical downlink control channel on the sending time slot.
- the sending period of the public physical downlink control channel of the group is indicated by the manner of displaying, and the sending period of the group common physical downlink control channel corresponding to the terminal is notified to the corresponding terminal by using the high layer signaling.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or, by using high layer signaling, notifying the corresponding offset value sent by the group common physical downlink control channel corresponding to the terminal terminal.
- the method further includes: determining, according to the sending period and the starting slot position of the group common physical downlink control channel, the sending slot; Sending the group common physical downlink control channel on the sending time slot; or notifying the corresponding terminal by the offset value sent by the group common physical downlink control channel corresponding to the terminal by the high layer signaling, further comprising: performing public physical downlink control according to the group A transmission period and an offset value of the channel determine a transmission slot; and send a group common physical downlink control channel on the transmission slot.
- the sending the group common physical downlink control channel on the sending time slot includes: if the first sending time slot is a full uplink time slot, after the first sending time slot, the distance from the first sending time slot
- the group common physical downlink control channel is transmitted on the latest downlink transmission slot.
- the embodiment of the present disclosure further provides a downlink channel transmission apparatus applied to a base station, including: an indication module, configured to indicate a transmission period of a group common physical downlink control channel by using a display or an implicit manner.
- the indication module includes: a first determining unit, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel.
- the device further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the device further includes: a second determining module, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel The start time slot position determines a transmission time slot; and the sending module is configured to send the group common physical downlink control channel on the sending time slot.
- a second determining module configured to determine, by using a protocol, a sending period of the group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel The start time slot position determines a transmission time slot; and the sending module is configured to send the group common physical downlink control channel on the sending time slot.
- the indication module includes: a first notification unit, configured to notify, by using broadcast signaling, a transmission period of the group common physical downlink control channel to all terminals in the coverage of the base station.
- the device further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a first notification module, configured to perform group common physical downlink control by using broadcast signaling The starting slot position of the channel transmission, notifying all terminals in the coverage of the base station.
- a first determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a first notification module configured to perform group common physical downlink control by using broadcast signaling The starting slot position of the channel transmission, notifying all terminals in the coverage of the base station.
- the device further includes: a third determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or a starting time slot sent by the group common physical downlink control channel by using broadcast signaling a location, after notifying all the terminals in the coverage of the base station, determining a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel;
- a sending module configured to send a group common physical downlink control channel on the sending time slot.
- the indication module includes: a second notification unit, configured to notify the corresponding terminal of the sending period of the group common physical downlink control channel corresponding to the terminal by using the high layer signaling.
- the device further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a second notification module, configured to use a higher layer signaling to associate the group corresponding to the terminal The offset value sent by the physical downlink control channel is notified to the corresponding terminal.
- a first determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a second notification module configured to use a higher layer signaling to associate the group corresponding to the terminal The offset value sent by the physical downlink control channel is notified to the corresponding terminal.
- the device further includes: a fourth determining module, configured to determine, according to the initial slot position sent by the group common physical downlink control channel, a sending period and a starting time slot according to the group common physical downlink control channel a location, determining a transmission time slot; or transmitting, by using the high layer signaling, an offset value sent by the group common physical downlink control channel corresponding to the terminal to the corresponding terminal, according to the sending period and the partial transmission of the common physical downlink control channel of the group The value is changed to determine a transmission time slot; and the sending module is configured to send the group common physical downlink control channel on the sending time slot.
- a fourth determining module configured to determine, according to the initial slot position sent by the group common physical downlink control channel, a sending period and a starting time slot according to the group common physical downlink control channel a location, determining a transmission time slot; or transmitting, by using the high layer signaling, an offset value sent by the group common physical downlink control channel corresponding to the terminal to the corresponding terminal, according to
- the sending module includes: a sending unit, configured to: after the first sending time slot, a downlink sending time slot that is closest to the first sending time slot, if the first sending time slot is a full uplink time slot
- the upper public voice control channel is transmitted on the group.
- the embodiment of the present disclosure further provides a base station, including a first memory, a first processor, and a computer program stored on the first memory and operable on the first processor, wherein the first processor performs the The computer program implements the steps in the above-described downlink channel transmission method applied to the base station.
- the embodiment of the present disclosure further provides a downlink channel receiving method applied to a terminal, including: determining, by using a display or an implicit manner, a sending period of a group common physical downlink control channel.
- the determining, by the protocol, the sending period of the common physical downlink control channel of the group includes: determining, by using a protocol, a sending period of the group common physical downlink control channel.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the method further includes: determining, according to the protocol, the sending period and the starting slot position of the group common physical downlink control channel, determining a group common physical downlink a receive slot of the control channel;
- a receiving group common physical downlink control channel is detected on the receiving time slot.
- the sending period of the common physical downlink control channel of the group is determined by the manner of the display, including: determining, by using the broadcast signaling sent by the base station, the sending period of the group common physical downlink control channel.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or determining, by using broadcast signaling sent by the base station, a starting time slot position sent by the group common physical downlink control channel.
- the determining, by using the protocol, the starting time slot position sent by the group public physical downlink control channel, or determining the starting time slot position sent by the group common physical downlink control channel by using the broadcast signaling sent by the base station, the method further includes: And a start time slot of the common physical downlink control channel, determining a receive time slot of the group common physical downlink control channel; and detecting the receive group common physical downlink control channel on the receive time slot.
- the sending period of the common physical downlink control channel of the group is determined by the manner of the display, including: determining, by using the high layer signaling sent by the base station, the sending period of the group common physical downlink control channel.
- the method further includes: determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or determining, by using the high layer signaling sent by the base station, an offset value sent by the group common physical downlink control channel.
- the method further includes: determining, according to the sending period and the starting slot position of the group common physical downlink control channel, the group common physical downlink control channel. Receiving a time slot; detecting a receiving group common physical downlink control channel on the receiving time slot; or determining, by using the high layer signaling sent by the base station, the offset value sent by the group common physical downlink control channel, further comprising: according to the group The transmission period and the offset value of the common physical downlink control channel determine the receiving time slot of the group common physical downlink control channel; and detect the receiving group common physical downlink control channel on the receiving time slot.
- the detecting the common physical downlink control channel of the receiving group on the receiving time slot includes: if the first receiving time slot is a full uplink time slot, after the first receiving time slot, the distance from the first receiving time The receiving group common physical downlink control channel is detected on the latest downlink receiving slot of the slot.
- the method further includes: determining, according to a sending period of the group common physical downlink control channel, a data valid time of the group common physical downlink control channel.
- the data valid time of the group common physical downlink control channel is determined according to the sending period of the group common physical downlink control channel, including: starting with the time slot of the received first common physical downlink control channel, and passing through a station
- the time of the sending period is determined as the data valid time of the first group of common physical downlink control channels; or the time slot of the received first group of common physical downlink control channels is started, and the second time is received next time.
- the time elapsed before the group of the common physical downlink control channel is determined as the data valid time of the first group of common physical downlink control channels; or the time slot of the received first common physical downlink control channel is started.
- the time elapsed before receiving the instruction to change the group common physical downlink control channel sent by the base station is determined as the data valid time of the first group of common physical downlink control channels.
- An embodiment of the present disclosure provides a downlink channel receiving apparatus that is applied to a terminal, and includes: a fifth determining module, configured to determine, by using a display or an implicit manner, a sending period of a group common physical downlink control channel.
- the fifth determining module includes: a second determining unit, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel.
- the device further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the device further includes: a seventh determining module, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel The start slot position determines a receive slot of the group common physical downlink control channel, and the receiving module is configured to detect the receive group common physical downlink control channel on the receive slot.
- a seventh determining module configured to determine, by using a protocol, a sending period of the group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel The start slot position determines a receive slot of the group common physical downlink control channel
- the receiving module is configured to detect the receive group common physical downlink control channel on the receive slot.
- the fifth determining module includes: a third determining unit, configured to determine, by using broadcast signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the device further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or an eighth determining module, configured to determine a group by using broadcast signaling sent by the base station The starting time slot position sent by the common physical downlink control channel.
- the device further includes: a ninth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determining, by using broadcast signaling sent by the base station, a group common physical downlink control channel sending After the start slot position, determining a receive slot of the group common physical downlink control channel according to a transmit period and a start slot position of the group common physical downlink control channel; and a receiving module, configured to be in the receive slot The common physical downlink control channel of the receiving group is detected.
- the fifth determining module includes: a fourth determining unit, configured to determine, by using the high layer signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the device further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a tenth determining module, configured to determine, by using a high layer signaling sent by the base station, The offset value sent by the group common physical downlink control channel.
- a sixth determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a tenth determining module configured to determine, by using a high layer signaling sent by the base station, The offset value sent by the group common physical downlink control channel.
- the device further includes: an eleventh determining module, configured to determine, according to a protocol, a starting time slot position sent by the group common physical downlink control channel, according to a sending period and a start of the group common physical downlink control channel a slot position, determining a receiving time slot of the group common physical downlink control channel; or determining, by using the high layer signaling sent by the base station, the offset value sent by the group common physical downlink control channel, according to the sending of the group common physical downlink control channel The period and the offset value determine a receiving time slot of the group common physical downlink control channel, and the receiving module is configured to detect the receiving group common physical downlink control channel on the receiving time slot.
- an eleventh determining module configured to determine, according to a protocol, a starting time slot position sent by the group common physical downlink control channel, according to a sending period and a start of the group common physical downlink control channel a slot position, determining a receiving time slot of the group common physical downlink control channel; or determining, by using the high layer
- the receiving module includes: a receiving unit, configured to: after the first receiving time slot, the downlink receiving time slot closest to the first receiving time slot, if the first receiving time slot is a full uplink time slot The common physical downlink control channel of the receiving group is detected.
- the device further includes: a twelfth determining module, configured to determine, after the sending period of the group common physical downlink control channel, the data of the group public physical downlink control channel is valid according to the sending period of the group common physical downlink control channel time.
- the twelfth determining module is configured to: start with a time slot in which the received first common physical downlink control channel is located, and determine, according to a time of the sending period, the first group of public physical downlinks The data valid time of the control channel; or the time elapsed from the time slot in which the received first common physical downlink control channel is received, and the time elapsed before the next second common physical downlink control channel is received, determined as Determining the data valid time of the first group of common physical downlink control channels; or starting from the time slot in which the received first common physical downlink control channel is located, and receiving the instruction to change the group common physical downlink control channel sent by the base station The time elapsed before is determined as the data valid time of the first group of common physical downlink control channels.
- An embodiment of the present disclosure provides a terminal, including a second memory, a second processor, and a computer program stored on the second memory and operable on the second processor, wherein the second processor executes the computer
- the steps in the above-described downlink channel receiving method applied to the terminal are implemented in the program.
- An embodiment of the present disclosure provides a non-transitory computer readable storage medium comprising programs and instructions stored on the non-transitory computer readable storage medium, wherein the programs and instructions are executed by a computer processor
- the computer processor implements the above-described downlink channel receiving method applied to a base station.
- An embodiment of the present disclosure provides a non-transitory computer readable storage medium comprising programs and instructions stored on the non-transitory computer readable storage medium, wherein the programs and instructions are executed by a computer processor
- the computer processor implements the above-described downlink channel receiving method applied to the terminal.
- the downlink channel transmission method of the embodiment of the present disclosure indicates the transmission period of the group common physical downlink control channel group common PDCCH in a display or implicit manner, so that the terminal can display or hide through
- the mode of the group common PDCCH is confirmed, so that the group common PDCCH sent by the base station is effectively received, and the network performance is improved.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- FIG. 1 is a flowchart of a downlink channel transmission method according to the present disclosure
- FIG. 2 is a schematic diagram of a transmission period of a group common PDCCH according to the disclosure.
- 3 is another schematic diagram of a transmission period of a group common PDCCH according to the disclosure.
- FIG. 4 is another schematic diagram of a transmission period of a group common PDCCH according to the disclosure.
- FIG. 5 is a flowchart of a method for receiving a downlink channel according to the present disclosure
- FIG. 6 is a schematic structural diagram of a downlink channel transmission apparatus according to the present disclosure.
- FIG. 7 is a schematic structural diagram of a base station according to the present disclosure.
- FIG. 8 is a schematic structural diagram of a downlink channel receiving apparatus according to the present disclosure.
- FIG. 9 is a schematic structural diagram of a terminal according to the present disclosure.
- a method for transmitting a downlink channel applied to a base station including: Step 101, indicating, by displaying or implicitly, sending a group of common physical downlink control channels. cycle.
- the group common physical downlink control channel group common PDCCH is a PDCCH valid for a group of terminals, and only a specific UE can receive the group common PDCCH.
- the downlink channel transmission method of the embodiment of the present disclosure indicates the transmission period of the group common PDCCH control channel group common PDCCH in a display or implicit manner, so that the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, Therefore, the group common PDCCH sent by the base station is effectively received, which improves network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the step of the foregoing step 101 includes: Step 1011, determining, by using a protocol, a sending period of a group common physical downlink control channel.
- the base station may determine a transmission period of the group common physical downlink control channel group common PDCCH by using a protocol.
- the sending period of the group common PDCCH is predefined in the protocol, and is fixed, that is, the base station performs a fixed transmission period for all terminals.
- the group common PDCCH is sent, and all terminals receive their corresponding group common PDCCH according to the fixed transmission period.
- One of the transmission periods has a time interval for the time between the two adjacent group common PDCCHs sent by the base station, for example, N time slots, and N is a positive integer greater than or equal to 1.
- the method of the embodiment of the present disclosure further includes: Step 1012, determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the base station may determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel group common PDCCH, and further, in combination with the sending period, determine a sending time slot of the group common PDCCH.
- the starting time slot position sent by the group common PDCCH is predefined in the protocol, and is fixed. That is, the base station starts to send the group common PDCCH at a fixed starting time slot position for all terminals, and all terminals are in the fixed The starting slot position starts to receive the group common PDCCH.
- the method further includes: determining a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel determined by the protocol; and sending a group public physical downlink on the sending time slot Control channel.
- the base station can accurately determine the sending time slots of the group common PDCCH according to the fixed sending period and the fixed starting time slot position of the group common PDCCH determined by the protocol, and then send the group common PDCCH on the sending time slots.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the fixed sending period and the fixed starting time slot position of the group common PDCCH determined by the protocol, and then detect and receive the group common PDCCH on the receiving time slots.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is S
- the sending time slot of the group common PDCCH can be determined.
- the slot numbers are S, S+N, S+2N, S+3N... in order.
- the sending the group common physical downlink control channel on the sending time slot includes: if the first sending time slot is a full uplink time slot, after the first sending time slot, from the first sending time
- the group common physical downlink control channel is transmitted on the latest downlink transmission slot of the slot.
- the base station sends the group common PDCCH in the latest downlink time slot after the time slot, thereby ensuring the smooth transmission of the group common PDCCH.
- the base station can send the group common PDCCH according to the fixed transmission period determined by the protocol, and the terminal can effectively receive the group common PDCCH according to the fixed transmission period determined by the protocol, thereby improving network performance.
- the step of the foregoing step 101 includes: Step 1013: notify, by using broadcast signaling, a sending period of the common physical downlink control channel of the group to notify all terminals in the coverage of the base station.
- the base station notifies all terminals that the transmission period of the group common PDCCH is sent by the broadcast signaling, that is, the base station sends the group common PDCCH to all the terminals according to the transmission period of the broadcast signaling notification, and all the terminals transmit according to the broadcast signaling notification.
- the period receives its own corresponding group common PDCCH.
- the broadcast signaling may be system information such as an MIB (Master Information Block) and/or an SIB (System Information Block).
- MIB Master Information Block
- SIB System Information Block
- the base station can adjust the sending period of sending the group common PDCCH according to actual service requirements or deployment scenarios.
- One of the transmission periods has a time interval for the time between the two adjacent group common PDCCHs sent by the base station, for example, N time slots, and N is a positive integer greater than or equal to 1.
- the base station notifies all terminals that the transmission period of the group common PDCCH is sent by using the broadcast signaling, and the base station may also notify the base station to send the start time slot position of the group common PDCCH by using a protocol. .
- the details are described below.
- the method of the embodiment of the present disclosure further includes step 1014 and/or step 1015.
- Step 1014 Determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the base station may determine the starting time slot position sent by the group common PDCCH by using a protocol, and further determine the sending time slot of the group common PDCCH in combination with the sending period.
- the starting time slot position sent by the group common PDCCH is predefined in the protocol, and is fixed. That is, the base station starts to send the group common PDCCH at a fixed starting time slot position for all terminals, and all terminals are in the fixed The starting slot position starts to receive the group common PDCCH.
- step 1015 the initial slot position sent by the group common physical downlink control channel is notified by broadcast signaling to all terminals in the coverage of the base station.
- the base station notifies all terminals of the start time slot position of the group common PDCCH by using broadcast signaling, and the base station can determine the transmission time slot of the group common PDCCH according to the start time slot position and the transmission period.
- the base station starts to send the group common PDCCH for all the terminals according to the starting time slot position notified by the broadcast signaling, and all the terminals start receiving the corresponding group common PDCCH according to the starting time slot position notified by the broadcast signaling. .
- the method further includes: determining a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel; and sending a group common physical downlink control channel on the sending time slot.
- the base station can accurately determine the transmission time slot of the group common PDCCH according to the transmission period of the group common PDCCH notified in the broadcast signaling, and according to the fixed start time slot position of the group common PDCCH determined by the protocol, and further, in these transmissions.
- the group common PDCCH is sent on the time slot.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period of the group common PDCCH notified in the broadcast signaling, and according to the fixed starting time slot position of the group common PDCCH determined by the protocol, and further, on the receiving time slots.
- the detection receives the group common PDCCH.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is S
- the sending time slot of the group common PDCCH can be determined.
- the slot numbers are S, S+N, S+2N, S+3N... in order.
- the method further includes: determining, according to the sending period and the starting time slot position of the common physical downlink control channel, the sending time slot; and sending the group common physical downlink control channel on the sending time slot.
- the base station can accurately determine the transmission slots of the group common PDCCH according to the transmission period and the start slot position of the group common PDCCH notified in the broadcast signaling, and further transmit the group common PDCCH on the transmission slots.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period and the starting time slot position of the group common PDCCH notified in the broadcast signaling, and further detect and receive the group common PDCCH on the receiving time slots.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is C
- the sending time slot of the group common PDCCH can be determined.
- the slot numbers are C, C+N, C+2N, C+3N... in order.
- the sending the group common physical downlink control channel on the sending time slot includes: if the first sending time slot is a full uplink time slot, after the first sending time slot, from the first sending time
- the group common physical downlink control channel is transmitted on the latest downlink transmission slot of the slot.
- the base station sends the group common PDCCH in the latest downlink time slot after the time slot, thereby ensuring the smooth transmission of the group common PDCCH.
- the base station can notify all terminals to send the group common PDCCH transmission period by using broadcast signaling, and the terminal can effectively receive the group common PDCCH according to the transmission period notified by the broadcast signaling, thereby improving network performance.
- the step of the foregoing step 101 includes: Step 1016: notify, by using the high layer signaling, the sending period of the group common physical downlink control channel corresponding to the terminal to the corresponding terminal.
- the high layer signaling is high layer signaling for each terminal, that is, the high layer signaling content of different terminals may be different.
- the base station sends the corresponding group common PDCCH transmission period to each terminal through the high layer signaling, and the group common PDCCH transmission period of different terminals may be different.
- the high layer signaling may be RRC signaling.
- the base station sends the corresponding group common PDCCH transmission period for each terminal through the high layer signaling, and the terminal receives the corresponding group common PDCCH according to the group common PDCCH transmission period notified by the high layer signaling.
- One of the transmission periods has a time interval for the time between the two adjacent group common PDCCHs sent by the base station, for example, N time slots, and N is a positive integer greater than or equal to 1.
- the base station notifies each terminal of the sending period of the group common PDCCH by using the high layer signaling, and the base station may also notify the transmitting time slot of the group common PDCCH by using the protocol or by using the high layer signaling. position. The details are described below.
- the method of the embodiment of the present disclosure further includes step 1017 and/or step 1018.
- Step 1017 Determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the base station may determine the starting time slot position sent by the group common PDCCH by using a protocol, and further determine the sending time slot of the group common PDCCH in combination with the sending period.
- the starting time slot position sent by the group common PDCCH is predefined in the protocol, and is fixed. That is, the base station starts to send the group common PDCCH at a fixed starting time slot position for all terminals, and all terminals are in the fixed The starting slot position starts to receive the group common PDCCH.
- step 1018 the offset value sent by the group common physical downlink control channel corresponding to the terminal is notified to the corresponding terminal by using the high layer signaling.
- the base station notifies each terminal of the start time slot position of the group common PDCCH by using the high layer signaling, and the base station can determine the transmission time slot of the group common PDCCH according to the start time slot position and the transmission period.
- the base station starts to send the group common PDCCH to each terminal according to the corresponding starting time slot position, and the terminal starts to receive the corresponding group common PDCCH according to the starting time slot position notified by the high layer signaling.
- the offset value of the group common PDCCH corresponding to the terminal is less than or equal to the corresponding sending period.
- the method further includes: determining a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel; and sending a group common physical downlink control channel on the sending time slot.
- the base station can accurately determine the transmission time slot of the group common PDCCH of each terminal according to the transmission period of the group common PDCCH of each terminal and according to the fixed start time slot position of the group common PDCCH determined by the protocol, and further The group common PDCCH is transmitted on these transmission slots.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period of the group common PDCCH notified in the high layer signaling, and according to the fixed starting time slot position of the group common PDCCH determined by the protocol, and further, on the receiving time slots.
- the detection receives the group common PDCCH.
- the base station sends the slot number of the start slot position of the group common PDCCH to S, the base station notifies the UE1 that the group common PDCCH transmission period is N1 slots, and the group common PDCCH transmission period of the UE2 is N2.
- slot, N1 and N2 are positive integers greater than or equal to 1, it can be determined that the slot number of the transmission slot of the group common PDCCH of UE1 is S+N1, S+2N1, S+3N1...;
- the slot number of the transmission slot of the common PDCCH is S+N2, S+2N2, S+3N2, .
- the method further includes: determining a sending time slot according to a sending period and an offset value of the group common physical downlink control channel; and sending a group common physical downlink control channel on the sending time slot.
- the base station can accurately determine the transmission slots of the group common PDCCH of each terminal according to the transmission period and the offset value of the group common PDCCH of each terminal, and further send the group common PDCCH on the transmission slots.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period and the offset value of the group common PDCCH notified in the high layer signaling, and further detect and receive the group common PDCCH on the receiving time slots.
- the base station transmits the offset value of the group common PDCCH of the UE1 through the RRC signaling to the S1, and the transmission period is N1, where S1 is less than or equal to N1; the base station notifies the group common PDCCH of the UE2 by the RRC signaling that the offset value is S2.
- the transmission period is N2, where S2 is less than or equal to N2; both N1 and N2 are positive integers greater than or equal to 1.
- the slot number of the sending time slot of the group common PDCCH of the UE1 is determined to be slot S1+N1, S1+2N1, S1+3N1, ..., and the slot number of the group common PDCCH transmission time slot of the UE2 is slot S2+N2, S2+2N2, S2+3N2 whil
- the sending the group common physical downlink control channel on the sending time slot includes: if the first sending time slot is a full uplink time slot, after the first sending time slot, from the first sending time
- the group common physical downlink control channel is transmitted on the latest downlink transmission slot of the slot.
- the base station sends the group common PDCCH in the latest downlink time slot after the time slot, thereby ensuring the smooth transmission of the group common PDCCH.
- the base station can notify each terminal of the sending period of the group common PDCCH by using the high layer signaling, and the terminal can effectively receive the group common PDCCH according to the sending period of the high layer signaling, thereby improving network performance.
- the terminal can detect and receive the group common PDCCH according to the sending period of the group common PDCCH, and the terminal can accurately determine the data valid time of the group common PDCCH according to the sending period of the group common PDCCH.
- the terminal can start with the time slot in which the received first common physical downlink control channel is located, and determine the data valid time of the first group of common physical downlink control channels after one time of the sending period; or The first group of public physical downlink control is determined by the time slot of the received first common physical downlink control channel, and the time elapsed until the next second common physical downlink control channel is received.
- the UEs UE1, UE2, and UE3 need to detect and receive the corresponding group common PDCCH1 in slots 0, slot N, slot 2N, etc.; the UEs UE4 and UE5 need to detect and receive the corresponding slots in slot 0, slot N, slot 2N, etc. Group common PDCCH2.
- the terminal After receiving the group common PDCCH, the terminal sends the received data according to the received group common PDCCH before receiving the slot of the next group common PDCCH; or, after receiving the group common PDCCH, the terminal successfully receives the group common PDCCH after the next successful reception.
- the received data is sent according to the successfully received group common PDCCH; or, after receiving the group common PDCCH, the terminal sends the received data according to the successfully received group common PDCCH before the base station notifies the change of the relevant parameters.
- the base station may select to send the group common PDCCH in the first downlink slot after the slot.
- the terminal learns that the slot where the group common PDCCH transmission location is located is a full uplink, and the first downlink slot after the slot detects the received group common PDCCH. For example, the base station notifies the terminal that the slot N is a full uplink slot, and the base station does not send the group common PDCCH in the slot N, and the terminal does not detect the receive group common PDCCH in the slot N.
- the base station sends a group common PDCCH in slot N+2, and the terminal detects the received group common PDCCH in slot N+2.
- Figure 3 shows that the slot containing the downlink resource after slot N.
- the base station needs to detect and receive the group common PDCCH through the high-level signaling configuration terminal, for example, the UE1, UE2, and the UE3 need to detect and receive the group common PDCCH1, and the terminal UE4 and the UE5 need to detect and receive the group common PDCCH2.
- the base station notifies the transmission location of the terminal group common PDCCH by broadcast signaling. It is assumed that the base station notifies the group common PDCCH to transmit in slot S, slot S+N, slot S+2N... through the MIB and/or SIB, and the terminal determines in slot S, slot S+N, slot S+ through MIB and/or SIB.
- the 2N detection receives its corresponding group common PDCCH.
- the terminal needs to detect and receive the group common PDCCH in slots 0, slot N, slot 2N, slot 3N, and so on. as shown in picture 2.
- the UEs UE1, UE2, and UE3 need to detect and receive the corresponding group common PDCCH1 in slots 0, slot N, slot 2N, etc.; the UEs UE4 and UE5 need to detect and receive the corresponding slots in slot 0, slot N, slot 2N, etc.
- the terminal After receiving the group common PDCCH, the terminal sends the received data according to the received group common PDCCH before receiving the slot of the next group common PDCCH; or, after receiving the group common PDCCH, the terminal successfully receives the group common PDCCH after the next successful reception.
- the received data is sent according to the successfully received group common PDCCH; or, after receiving the group common PDCCH, the terminal sends the received data according to the successfully received group common PDCCH before the base station notifies the change of the relevant parameters.
- the starting offset position S of the group common PDCCH is a predefined value in the protocol, and the base station only needs to notify the terminal by broadcast signaling to detect the transmission period N of the received group common PDCCH.
- the base station can adjust the transmission period of the group common PDCCH through broadcast signaling according to the service status. For example, the base station notifies the terminal through broadcast signaling, and the transmission period of the group common PDCCH is adjusted from N to 2N.
- the base station may select to send the group common PDCCH in the first downlink slot after the slot.
- the terminal learns that the slot where the group common PDCCH transmission location is located is a full uplink, and the first downlink slot after the slot detects the received group common PDCCH. For example, the base station notifies the terminal that the slot N is a full uplink slot, and the base station does not send the group common PDCCH in the slot N, and the terminal does not detect the receive group common PDCCH in the slot N.
- the base station sends the group common PDCCH in slot N+2, and the terminal detects the received group common PDCCH in slot N+2.
- Figure 3 shows that the slot containing the downlink resource after slot N.
- the base station needs to detect and receive the group common PDCCH through the high-level signaling configuration terminal, for example, the UE1, UE2, and the UE3 need to detect and receive the group common PDCCH1, and the terminal UE4 and the UE5 need to detect and receive the group common PDCCH2.
- the base station notifies the sending location of the terminal group common PDCCH through high layer signaling.
- the base station notifies the sending location of the group common PDCCH by the high layer signaling, and may adopt different schemes as follows.
- the starting time slot position at which the base station sends the group common PDCCH is a predefined position in the protocol, for example, the starting time slot position is slot S.
- the base station notifies the transmission period of the group common PDCCH corresponding to the terminal by using the high layer signaling, for example, the transmission period of the group common PDCCH1 is N1, and the transmission period of the group common PDCCH2 is N2.
- the UEs UE1, UE2, and UE3 learn that the slot of the group common PDCCH1 that they need to receive is slot S, slot S+N1, slot S+2N1, slot S+3N1, ...
- the terminal is in slot S+N1, slot S+2N1, Slots such as slot S+3N1 try to detect the received group common PDCCH1; the terminals UE4 and UE5 know that the slot of the common common PDCCH2 they need to receive is slot S, slot S+N2, slot S+2N2, slot S+3N2... terminal in slot S+N2, slot S+2N2, slot S+3N2 and other slots attempt to detect and receive group common PDCCH2.
- the base station notifies the terminal of the offset value of the corresponding group common PDCCH transmission and the transmission period by using the high layer signaling.
- the base station configures the offset value of the group common PDCCH1 of the UE1, the UE2, and the UE3 through the RRC signaling to be S1 slots, and the transmission period is N1, where S1 is less than or equal to N1; the base station configures the group common PDCCH of the UE4 and the UE5 through RRC signaling.
- the offset value is S2 slots, and the transmission period is N2, where S2 is less than or equal to N2.
- the UEs UE1, UE2, and UE3 learn that the transmission slot of the group common PDCCH1 that they need to receive is slot S1+N1, slot S1+2N1, slot S1+3N1... the terminal is in slot S1+N1, slot S1+2N1, slot S1+ 3N1 and other slots try to detect the received group common PDCCH1; the terminal UE4 and UE5 know that the transmission slot of the group common PDCCH2 that they need to receive is slot S2+N2, slot S2+2N2, slot S2+3N2... terminal in slot S2+N2, slot S2+2N2, slot S2+3N2 and other slots attempt to detect the reception of group common PDCCH2.
- the transmission period is N
- the transmission period is 2N
- the terminal After receiving the group common PDCCH, the terminal sends the received data according to the received group common PDCCH before receiving the slot of the next group common PDCCH; or, after receiving the group common PDCCH, the terminal successfully receives the group common PDCCH after the next successful reception.
- the received data is sent according to the successfully received group common PDCCH; or, after receiving the group common PDCCH, the terminal sends the received data according to the successfully received group common PDCCH before the base station notifies the change of the relevant parameters.
- the base station may select to send the group common PDCCH in the first downlink slot after the slot.
- the terminal learns that the slot where the group common PDCCH transmission location is located is a full uplink, and the first downlink slot after the slot detects the received group common PDCCH. For example, the base station notifies the terminal that the slot N is a full uplink slot, and the base station does not send the group common PDCCH in the slot N, and the terminal does not detect the receive group common PDCCH in the slot N.
- the base station sends a group common PDCCH in slot N+2, and the terminal detects the received group common PDCCH in slot N+2.
- Figure 3 shows that the slot containing the downlink resource after slot N.
- the downlink channel transmission method of the embodiment of the present disclosure indicates the transmission period of the group common PDCCH control channel group common PDCCH in a display or implicit manner, so that the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, Therefore, the group common PDCCH sent by the base station is effectively received, which improves network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- a downlink channel receiving method applied to a terminal including: Step 501, determining, by displaying or implicitly, sending a group common physical downlink control channel. cycle.
- the terminal can confirm the sending period of the group common PDCCH by displaying or implicitly, thereby effectively receiving the group common PDCCH sent by the base station, thereby improving network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the step 501 includes the following steps: Step 5011: Determine, by using a protocol, a sending period of a group common physical downlink control channel.
- the terminal can determine the transmission period of the group common PDCCH by using the protocol, and receive the group common PDCCH corresponding to the same according to the transmission period.
- the method of the embodiment of the present disclosure further includes: Step 5012, determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the terminal can determine the starting time slot position sent by the group common PDCCH by using the protocol, and further determine the receiving time slot of the group common PDCCH according to the sending period.
- the method further includes: determining, according to the sending period and the starting time slot position of the group common physical downlink control channel, the receiving time slot of the group common physical downlink control channel; The common physical downlink control channel of the receiving group is detected on the slot.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the fixed sending period and the fixed starting time slot position of the group common PDCCH determined by the protocol, and further detect and receive the group common PDCCH on the receiving time slots.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is S
- the receiving time slot of the group common PDCCH can be determined.
- the slot numbers are S, S+N, S+2N, S+3N... in order.
- the base station can send the group common PDCCH according to the fixed transmission period determined by the protocol, and the terminal can effectively receive the group common PDCCH according to the fixed transmission period determined by the protocol, thereby improving network performance.
- the step 501 includes the following steps: Step 5013: Determine, by using broadcast signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the terminal can determine the transmission period of the group common PDCCH by using the broadcast signaling, and receive the group common PDCCH corresponding to the same according to the transmission period.
- the method of the embodiment of the present disclosure further includes step 5014 and/or step 5015.
- Step 5014 Determine, by the protocol, a starting time slot position sent by the group common physical downlink control channel.
- the terminal can determine the starting time slot position sent by the group common PDCCH through the protocol, and further determine the receiving time slot of the group common PDCCH in combination with the sending period.
- Step 5015 Determine, by using broadcast signaling sent by the base station, a starting time slot position sent by the group common physical downlink control channel.
- the terminal can determine the starting time slot position sent by the group common PDCCH through broadcast signaling, and further determine the receiving time slot of the group common PDCCH in combination with the sending period.
- the method further includes: determining a receiving time slot of the group common physical downlink control channel according to the sending period and the starting time slot position of the group common physical downlink control channel; detecting on the receiving time slot Receive group common physical downlink control channel.
- the terminal can accurately determine the receiving time slot of the group common PDCCH according to the sending period of the group common PDCCH notified in the broadcast signaling, and according to the fixed starting time slot position of the group common PDCCH determined by the protocol, and further, in the receiving The time zone is detected to receive the group common PDCCH.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is S
- the receiving time slot of the group common PDCCH can be determined.
- the slot numbers are S, S+N, S+2N, S+3N... in order.
- the method further includes: determining a receiving time slot of the group common physical downlink control channel according to the sending period and the starting time slot position of the group common physical downlink control channel; detecting on the receiving time slot Receive group common physical downlink control channel.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period and the starting time slot position of the group common PDCCH notified in the broadcast signaling, and further detect and receive the group common PDCCH on the receiving time slots.
- the sending period of the group common PDCCH is N
- N is a positive integer greater than or equal to 1
- the slot number of the starting slot position sent by the group common PDCCH is C
- the sending time slot of the group common PDCCH can be determined.
- the slot numbers are C, C+N, C+2N, C+3N... in order.
- the base station can notify all terminals to send the group common PDCCH transmission period by using broadcast signaling, and the terminal can effectively receive the group common PDCCH according to the transmission period notified by the broadcast signaling, thereby improving network performance.
- the step 501 includes the following steps: Step 5016: Determine, by using the high layer signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the terminal can determine the transmission period of the group common PDCCH by using the high layer signaling, and receive the group common PDCCH corresponding to the group according to the transmission period.
- the method of the embodiment of the present disclosure further includes step 5017 and/or step 5018.
- Step 5017 Determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the terminal can determine the starting time slot position sent by the group common PDCCH by using the protocol, and further determine the receiving time slot of the group common PDCCH according to the sending period.
- Step 5018 Determine, by using the high layer signaling sent by the base station, an offset value sent by the group common physical downlink control channel.
- the terminal can determine the offset value sent by the group common PDCCH through the high layer signaling, and further determine the receiving time slot of the group common PDCCH in combination with the sending period.
- the method further includes: determining, according to a sending period and a starting slot position of the group common physical downlink control channel, a receiving time slot of the group common physical downlink control channel; detecting on the receiving time slot Receive group common physical downlink control channel.
- the terminal can accurately determine the receiving time slot of the group common PDCCH according to the sending period of the group common PDCCH notified in the high layer signaling, and according to the fixed starting time slot position of the group common PDCCH determined by the protocol, and further, in these receiving The time zone is detected to receive the group common PDCCH.
- the base station sends the slot number of the start slot position of the group common PDCCH to S, the base station notifies the UE1 that the group common PDCCH transmission period is N1 slots, and the group common PDCCH transmission period of the UE2 is N2.
- slot, N1 and N2 are positive integers greater than or equal to 1, it can be determined that the slot number of the receive slot of the group common PDCCH of UE1 is S+N1, S+2N1, S+3N1...;
- the slot number of the receiving slot of the common PDCCH is S+N2, S+2N2, S+3N2, .
- the method further includes: determining, according to a sending period and an offset value of the group common physical downlink control channel, a receiving time slot of the group common physical downlink control channel; and detecting the receiving group on the receiving time slot.
- Common physical downlink control channel determining, according to a sending period and an offset value of the group common physical downlink control channel, a receiving time slot of the group common physical downlink control channel; and detecting the receiving group on the receiving time slot.
- the terminal can accurately determine the receiving time slots of the group common PDCCH according to the sending period and the offset value of the group common PDCCH notified in the high layer signaling, and further detect and receive the group common PDCCH on the receiving time slots.
- the base station transmits the offset value of the group common PDCCH of the UE1 through the RRC signaling to the S1, and the transmission period is N1, where S1 is less than or equal to N1; the base station notifies the group common PDCCH of the UE2 by the RRC signaling that the offset value is S2.
- the transmission period is N2, where S2 is less than or equal to N2; both N1 and N2 are positive integers greater than or equal to 1.
- the slot number of the receiving time slot of the group common PDCCH of the UE1 is determined to be slot S1+N1, S1+2N1, S1+3N1, ..., and the slot number of the group common PDCCH receiving time slot of the UE2 is slot S2+N2, S2+2N2, S2+3N2 whil
- the base station can notify each terminal of the sending period of the group common PDCCH by using the high layer signaling, and the terminal can effectively receive the group common PDCCH according to the sending period of the high layer signaling, thereby improving network performance.
- the base station if the sending time slot of the group common PDCCH is the full uplink time slot, the base station sends the group common PDCCH in the latest downlink time slot after the time slot, thereby ensuring the group common PDCCH. Smooth transmission.
- detecting the receiving group common physical downlink control channel on the receiving time slot comprising: if the first receiving time slot is a full uplink time slot, after the first receiving time slot, distance from the first receiving The receiving group common physical downlink control channel is detected on the latest downlink receiving time slot of the time slot.
- the terminal detects the received group common PDCCH in the latest downlink time slot after the time slot, thereby ensuring smooth reception of the group common PDCCH.
- the method further includes: Step 502: Determine, according to a sending period of the group common physical downlink control channel, a data valid time of the group common physical downlink control channel.
- the terminal can accurately determine the data valid time of the group common PDCCH according to the sending period of the group common PDCCH.
- the step 502 includes: starting with a time slot in which the received first common physical downlink control channel is located, and determining, according to a time of the sending period, the data of the first group of common physical downlink control channels.
- the effective time; or the time elapsed from the time slot in which the received first common physical downlink control channel is received, and the time elapsed until the next second common physical downlink control channel is received, is determined as the first group
- the data valid time of the common physical downlink control channel; or the time slot in which the received first common physical downlink control channel is located, before the instruction to change the group common physical downlink control channel sent by the base station The time is determined as the data valid time of the first group of common physical downlink control channels.
- the data valid time of the group common PDCCH is its transmission period.
- the group common PDCCH1 of the terminal is sent once every N slots, and the terminal follows the group common in the N slots including the slot that receives the group common PDCCH1.
- the information carried in the PDCCH 1 is sent and received; or the data valid time of the group common PDCCH is before the next group common PDCCH is successfully received, that is, after receiving the group common PDCCH1, the terminal successfully receives the next group common PDCCH.
- the terminal can confirm the sending period of the group common PDCCH by displaying or implicitly, thereby effectively receiving the group common PDCCH sent by the base station, thereby improving network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- a downlink channel transmission apparatus which includes: an indication module 601, configured to indicate a group public physical downlink by means of display or implicit manner. The transmission period of the control channel.
- the downlink channel transmission apparatus of the embodiment of the present disclosure indicates the transmission period of the group common PDCCH control channel group common PDCCH in a display or implicit manner, so that the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, Therefore, the group common PDCCH sent by the base station is effectively received, which improves network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the indication module 601 includes: a first determining unit, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel.
- the downlink channel transmission apparatus further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- a first determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the downlink channel transmission apparatus further includes: a second determining module, configured to determine, by using the protocol, the sending of the group common physical downlink control channel determined according to the protocol, after determining a starting slot position sent by the group common physical downlink control channel a period and a start slot position, determining a transmit slot; and a sending module, configured to send the group common physical downlink control channel on the transmit slot.
- a second determining module configured to determine, by using the protocol, the sending of the group common physical downlink control channel determined according to the protocol, after determining a starting slot position sent by the group common physical downlink control channel a period and a start slot position, determining a transmit slot.
- the indication module 601 includes: a first notification unit, configured to notify, by using broadcast signaling, a sending period of the group common physical downlink control channel to all terminals in the coverage of the base station.
- the downlink channel transmission apparatus further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a first notification module, configured to publicize the group by using broadcast signaling The starting time slot position sent by the physical downlink control channel is notified to all terminals in the coverage of the base station.
- a first determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a first notification module configured to publicize the group by using broadcast signaling The starting time slot position sent by the physical downlink control channel is notified to all terminals in the coverage of the base station.
- the downlink channel transmission apparatus further includes: a third determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or sending the group common physical downlink control channel by using broadcast signaling a slot position, after notifying all terminals in the coverage of the base station, determining a transmission slot according to a transmission period and a start slot position of the group common physical downlink control channel; and a sending module, configured to: The group public physical downlink control channel is transmitted on the transmission slot.
- the indication module 601 includes: a second notification unit, configured to notify, by using the high layer signaling, a sending period of the group common physical downlink control channel corresponding to the terminal to the corresponding terminal.
- the downlink channel transmission device further includes: a first determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a second notification module, configured to correspond to the terminal by using high layer signaling The offset value sent by the group common physical downlink control channel is notified to the corresponding terminal.
- a first determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a second notification module configured to correspond to the terminal by using high layer signaling The offset value sent by the group common physical downlink control channel is notified to the corresponding terminal.
- the downlink channel transmission apparatus further includes: a fourth determining module, configured to determine, according to the start interval of the group common physical downlink control channel, the transmission period of the common physical downlink control channel according to the protocol Determining a transmission time slot; or transmitting an offset value sent by the group common physical downlink control channel corresponding to the terminal by the higher layer signaling to the corresponding terminal, and transmitting according to the group common physical downlink control channel a period and an offset value, determining a transmission slot; and a transmitting module, configured to send the group common physical downlink control channel on the transmission slot.
- a fourth determining module configured to determine, according to the start interval of the group common physical downlink control channel, the transmission period of the common physical downlink control channel according to the protocol Determining a transmission time slot; or transmitting an offset value sent by the group common physical downlink control channel corresponding to the terminal by the higher layer signaling to the corresponding terminal, and transmitting according to the group common physical downlink control channel a period and an offset value, determining a transmission slot
- the sending module includes: a sending unit, configured to send, when the first sending time slot is a full uplink time slot, a downlink sending that is the closest to the first sending time slot after the first sending time slot
- the group public physical downlink control channel is transmitted on the time slot.
- the downlink channel transmission apparatus of the embodiment of the present disclosure indicates the transmission period of the group common PDCCH control channel group common PDCCH in a display or implicit manner, so that the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, Therefore, the group common PDCCH sent by the base station is effectively received, which improves network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the downlink channel transmission device is a device corresponding to the downlink channel transmission method, and all the implementation manners in the foregoing method embodiments are applicable to the device embodiment, and the same technical effects can be achieved.
- a base station including a first memory 720, a first processor 700, a first transceiver 710, a bus interface, and stored in the first memory 720.
- a computer program running on the first processor 700 the first processor 700 is configured to read a program in the first memory 720, and execute the following process: indicating a group public physical downlink by display or implicit manner The transmission period of the control channel.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by the first processor 700 and various circuits of the memory represented by the first memory 720. .
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- the first transceiver 710 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the first processor 700 is responsible for managing the bus architecture and the usual processing, and the first memory 720 can store data used by the first processor 700 when performing operations.
- the first processor 700 is further configured to determine, by using a protocol, a transmission period of the group common physical downlink control channel.
- the first processor 700 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the first processor 700 is further configured to determine, after determining, by using a protocol, a start time slot position sent by the group common physical downlink control channel, determine a sending period and a start time slot position of the group common physical downlink control channel determined according to the protocol. a time slot; transmitting a group common physical downlink control channel on the transmission time slot.
- the first processor 700 is further configured to notify, by using broadcast signaling, a sending period of the group common physical downlink control channel to all terminals in the coverage of the base station.
- the first processor 700 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or notify the base station to cover the initial time slot position sent by the group common physical downlink control channel by using broadcast signaling. All terminals within range.
- the first processor 700 is further configured to: determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or notify the base station by using a start time slot position sent by the group common physical downlink control channel by using broadcast signaling. After all the terminals in the coverage, the sending time slot is determined according to the sending period and the starting time slot position of the group common physical downlink control channel; and the group common physical downlink control channel is sent on the sending time slot.
- the first processor 700 is further configured to notify the corresponding terminal of the sending period of the group common physical downlink control channel corresponding to the terminal by using the high layer signaling.
- the first processor 700 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or notify, by using high layer signaling, an offset value sent by the group common physical downlink control channel corresponding to the terminal, to notify the corresponding terminal. .
- the first processor 700 is further configured to determine, by using a protocol, a start time slot position sent by the group common physical downlink control channel, and determine a sending time slot according to a sending period and a starting time slot position of the group common physical downlink control channel; Transmitting the group common physical downlink control channel on the sending time slot; or notifying the corresponding terminal by using the high-level signaling to offset the offset value sent by the group common physical downlink control channel corresponding to the terminal, according to the group common physical downlink control A transmission period and an offset value of the channel, determining a transmission slot; and transmitting a group common physical downlink control channel on the transmission slot.
- the first processor 700 is further configured to: if the first sending time slot is a full uplink time slot, send the group public physics on a downlink sending time slot that is closest to the first sending time slot after the first sending time slot. Downlink control channel.
- a non-transitory computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of: displaying or implicitly, Indicates the transmission period of the public physical downlink control channel of the group.
- a downlink channel receiving apparatus which includes: a fifth determining module 801, configured to determine a group public by display or implicit manner. The transmission period of the physical downlink control channel.
- the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, thereby effectively receiving the group common PDCCH sent by the base station, thereby improving network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the fifth determining module 801 includes: a second determining unit, configured to determine, by using a protocol, a sending period of the group common physical downlink control channel.
- the downlink channel receiving apparatus further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- a sixth determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the downlink channel receiving apparatus further includes: a seventh determining module, configured to determine, by using a protocol, a group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel by using a protocol a receiving period and a starting time slot position, determining a receiving time slot of the group common physical downlink control channel; and a receiving module, configured to detect the receiving group common physical downlink control channel on the receiving time slot.
- a seventh determining module configured to determine, by using a protocol, a group common physical downlink control channel determined according to the protocol, after determining a starting time slot position sent by the group common physical downlink control channel by using a protocol a receiving period and a starting time slot position, determining a receiving time slot of the group common physical downlink control channel
- a receiving module configured to detect the receiving group common physical downlink control channel on the receiving time slot.
- the fifth determining module 801 includes a third determining unit, configured to determine, by using broadcast signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the downlink channel receiving apparatus further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or an eighth determining module, configured to send a broadcast message by using the base station Let, determine the starting time slot position sent by the group common physical downlink control channel.
- the downlink channel receiving apparatus further includes: a ninth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determining, by using broadcast signaling sent by the base station, a group common physical downlink After receiving the starting time slot position of the control channel, determining a receiving time slot of the group common physical downlink control channel according to a sending period and a starting time slot position of the group common physical downlink control channel; and receiving a module for The receiving group common physical downlink control channel is detected on the receiving time slot.
- a ninth determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determining, by using broadcast signaling sent by the base station, a group common physical downlink After receiving the starting time slot position of the control channel, determining a receiving time slot of the group common physical downlink control channel according to a sending period and a starting time slot position of the group common physical downlink control channel; and receiving a module for The
- the fifth determining module 801 includes: a fourth determining unit, configured to determine, by using the high layer signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the downlink channel receiving apparatus further includes: a sixth determining module, configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel; or a tenth determining module, configured to send a high layer message by using the base station Let the offset value sent by the public physical downlink control channel of the group be determined.
- a sixth determining module configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel
- a tenth determining module configured to send a high layer message by using the base station Let the offset value sent by the public physical downlink control channel of the group be determined.
- the downlink channel receiving apparatus further includes: an eleventh determining module, configured to determine, according to the initial slot position sent by the group common physical downlink control channel, a sending period of the common physical downlink control channel according to the group And determining a receiving time slot of the group common physical downlink control channel, or determining, by using the high layer signaling sent by the base station, the offset value sent by the group common physical downlink control channel, according to the group common physical downlink control a transmission period and an offset value of the channel, determining a receiving time slot of the group common physical downlink control channel; and a receiving module, configured to detect the receiving group common physical downlink control channel on the receiving time slot.
- an eleventh determining module configured to determine, according to the initial slot position sent by the group common physical downlink control channel, a sending period of the common physical downlink control channel according to the group And determining a receiving time slot of the group common physical downlink control channel, or determining, by using the high layer signaling sent by the base station, the offset value sent by the group common physical down
- the receiving module includes: a receiving unit, configured to: after the first receiving time slot, a downlink receiving that is closest to the first receiving time slot, if the first receiving time slot is a full uplink time slot The receiving group common physical downlink control channel is detected on the time slot.
- the downlink channel receiving apparatus further includes: a twelfth determining module, configured to determine a group common physical downlink control channel according to a sending period of the group common physical downlink control channel, after determining a sending period of the group common physical downlink control channel The data is valid.
- a twelfth determining module configured to determine a group common physical downlink control channel according to a sending period of the group common physical downlink control channel, after determining a sending period of the group common physical downlink control channel The data is valid.
- the twelfth determining module is configured to: start with a time slot in which the received first common physical downlink control channel is located, and determine, by using a time of the sending period, the first group of public The data valid time of the physical downlink control channel; or the time elapsed from the received time slot of the first group of common physical downlink control channels, and the time elapsed until the next second common physical downlink control channel is received.
- the data valid time of the first group of common physical downlink control channels; or the received group of common physical downlink control channels sent by the base station starting from the time slot in which the received first common physical downlink control channel is located The time elapsed before the instruction is determined as the data valid time of the first group of common physical downlink control channels.
- the terminal can confirm the transmission period of the group common PDCCH by displaying or implicitly, thereby effectively receiving the group common PDCCH sent by the base station, thereby improving network performance.
- the problem of how to transmit the group common PDCCH for scheduling or notifying a group of terminal related information in the related art is solved, and there is no clear solution, so that the terminal does not know how to receive the group common PDCCH.
- the downlink channel receiving device is a device corresponding to the downlink channel receiving method, and all the implementation manners in the foregoing method embodiments are applicable to the device embodiment, and the same technical effects can be achieved.
- a terminal including a second memory 920, a second processor 900, a second transceiver 910, a user interface 930, a bus interface, and a storage device.
- a computer program on the second memory 920 and operable on the second processor 900, the second processor 900 is configured to read a program in the second memory 920, and perform the following process: determining by display or implicitly The transmission period of the common physical downlink control channel.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by the second processor 900 and various circuits of the memory represented by the second memory 920. .
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- the second transceiver 910 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 930 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the second processor 900 is responsible for managing the bus architecture and general processing, and the second memory 920 can store data used by the second processor 900 when performing operations.
- the second processor 900 is further configured to determine, by the protocol, a transmission period of the group common physical downlink control channel.
- the second processor 900 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel.
- the second processor 900 is further configured to: after determining, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, determining, according to the protocol, a sending period and a starting time slot position of the group common physical downlink control channel, determining A receiving time slot of a common physical downlink control channel; detecting a receiving group common physical downlink control channel on the receiving time slot.
- the second processor 900 is further configured to determine, by using broadcast signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the second processor 900 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determine, by using broadcast signaling sent by the base station, a starting time slot position sent by the group common physical downlink control channel.
- the second processor 900 is further configured to: determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determine, by using broadcast signaling sent by the base station, a starting time slot position sent by the group common physical downlink control channel. And determining a receiving time slot of the group common physical downlink control channel according to the sending period and the starting time slot position of the group common physical downlink control channel; and detecting the receiving group common physical downlink control channel on the receiving time slot.
- the second processor 900 is further configured to determine, by using the high layer signaling sent by the base station, a sending period of the group common physical downlink control channel.
- the second processor 900 is further configured to determine, by using a protocol, a starting time slot position sent by the group common physical downlink control channel, or determine, by using a high layer signaling sent by the base station, an offset value sent by the group common physical downlink control channel.
- the second processor 900 is further configured to: after determining a starting time slot position sent by the group common physical downlink control channel by using a protocol, determining a group common physics according to a sending period and a starting time slot position of the group common physical downlink control channel. a receiving time slot of the downlink control channel; detecting a common physical downlink control channel of the receiving group on the receiving time slot; or determining, by using the high layer signaling sent by the base station, an offset value sent by the group common physical downlink control channel, according to the The sending period and the offset value of the common physical downlink control channel are determined, and the receiving time slot of the group common physical downlink control channel is determined; and the receiving group common physical downlink control channel is detected on the receiving time slot.
- the second processor 900 is further configured to: when the first receiving time slot is a full uplink time slot, detect a receiving group public on a downlink receiving time slot that is closest to the first receiving time slot after the first receiving time slot. Physical downlink control channel.
- the second processor 900 is further configured to determine, after the sending period of the group common physical downlink control channel, the data valid time of the group common physical downlink control channel according to the sending period of the group common physical downlink control channel.
- the second processor 900 is further configured to start with the time slot in which the received first common physical downlink control channel is located, and determine the data of the first group of common physical downlink control channels after one time of the sending period.
- the effective time; or the time elapsed from the time slot in which the received first common physical downlink control channel is received, and the time elapsed until the next second common physical downlink control channel is received, is determined as the first group
- the data valid time of the common physical downlink control channel; or the time slot in which the received first common physical downlink control channel is located, before the instruction to change the group common physical downlink control channel sent by the base station The time is determined as the data valid time of the first group of common physical downlink control channels.
- a non-transitory computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of: displaying or implicitly, The transmission period of the group common physical downlink control channel is determined.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (52)
- 一种应用于基站的下行信道传输方法,包括:通过显示或者隐式的方式,指示组公共物理下行控制信道的发送周期。
- 根据权利要求1所述的方法,其中,通过隐式的方式,指示组公共物理下行控制信道的发送周期,包括:通过协议确定组公共物理下行控制信道的发送周期。
- 根据权利要求2所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求3所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,所述方法还包括:根据所述协议确定的组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求1所述的方法,其中,通过显示的方式,指示组公共物理下行控制信道的发送周期,包括:通过广播信令将组公共物理下行控制信道的发送周期,通知所述基站覆盖范围内的所有终端。
- 根据权利要求5所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者通过广播信令将组公共物理下行控制信道发送的起始时隙位置,通知所述基站覆盖范围内的所有终端。
- 根据权利要求6所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置,或者通过广播信令将组公共物理下行控制信道发送的起始时隙位置,通知所述基站覆盖范围内的所有终端之后,所述方法还包括:根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求1所述的方法,其中,通过显示的方式,指示组公共物理下行控制信道的发送周期,包括:通过高层信令将终端对应的组公共物理下行控制信道的发送周期,通知对应的终端。
- 根据权利要求8所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者通过高层信令将终端对应的组公共物理下行控制信道发送的偏移值,通知对应的终端。
- 根据权利要求9所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,所述方法还包括:根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;在所述发送时隙上发送组公共物理下行控制信道;或者通过高层信令将终端对应的组公共物理下行控制信道发送的偏移值,通知对应的终端之后,所述方法还包括:根据所述组公共物理下行控制信道的发送周期和偏移值,确定发送时隙;在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求4、7或10所述的方法,其中,在所述发送时隙上发送组公共物理下行控制信道,包括:若第一发送时隙为全上行时隙,则在所述第一发送时隙之后,距离所述第一发送时隙最近的下行发送时隙上发送组公共物理下行控制信道。
- 一种应用于基站的下行信道传输装置,包括:指示模块,用于通过显示或者隐式的方式,指示组公共物理下行控制信道的发送周期。
- 根据权利要求12所述的装置,其中,所述指示模块包括:第一确定单元,用于通过协议确定组公共物理下行控制信道的发送周期。
- 根据权利要求13所述的装置,还包括:第一确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求14所述的装置,还包括:第二确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,根据所述协议确定的组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;发送模块,用于在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求12所述的装置,其中,所述指示模块包括:第一通知单元,用于通过广播信令将组公共物理下行控制信道的发送周期,通知所述基站覆盖范围内的所有终端。
- 根据权利要求16所述的装置,还包括:第一确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者第一通知模块,用于通过广播信令将组公共物理下行控制信道发送的起始时隙位置,通知所述基站覆盖范围内的所有终端。
- 根据权利要求17所述的装置,还包括:第三确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置,或者通过广播信令将组公共物理下行控制信道发送的起始时隙位置,通知所述基站覆盖范围内的所有终端之后,根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;发送模块,用于在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求12所述的装置,其中,所述指示模块包括:第二通知单元,用于通过高层信令将终端对应的组公共物理下行控制信道的发送周期,通知对应的终端。
- 根据权利要求19所述的装置,还包括:第一确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者第二通知模块,用于通过高层信令将终端对应的组公共物理下行控制信道发送的偏移值,通知对应的终端。
- 根据权利要求20所述的装置,还包括:第四确定模块,用于通过协议确定组公共物理下行控制信道发送的起始 时隙位置之后,根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定发送时隙;或者用于通过高层信令将终端对应的组公共物理下行控制信道发送的偏移值,通知对应的终端之后,根据所述组公共物理下行控制信道的发送周期和偏移值,确定发送时隙;发送模块,用于在所述发送时隙上发送组公共物理下行控制信道。
- 根据权利要求15、18或21所述的装置,其中,所述发送模块包括:发送单元,用于若第一发送时隙为全上行时隙,则在所述第一发送时隙之后,距离所述第一发送时隙最近的下行发送时隙上发送组公共物理下行控制信道。
- 一种基站,包括:第一存储器、第一处理器及存储在第一存储器上并可在第一处理器上运行的计算机程序,其中,所述第一处理器执行所述计算机程序时实现如权利要求1-11任一项所述下行信道传输方法中的步骤。
- 一种应用于终端的下行信道接收方法,包括:通过显示或者隐式的方式,确定组公共物理下行控制信道的发送周期。
- 根据权利要求24所述的方法,其中,通过隐式的方式,确定组公共物理下行控制信道的发送周期,包括:通过协议确定组公共物理下行控制信道的发送周期。
- 根据权利要求25所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求26所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,还包括:根据所述协议确定的组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求24所述的方法,其中,通过显示的方式,确定组公共物理下行控制信道的发送周期,包括:通过基站发送的广播信令,确定组公共物理下行控制信道的发送周期。
- 根据权利要求28所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者通过基站发送的广播信令,确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求29所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置,或者通过基站发送的广播信令,确定组公共物理下行控制信道发送的起始时隙位置之后,还包括:根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求24所述的方法,其中,通过显示的方式,确定组公共物理下行控制信道的发送周期,包括:通过基站发送的高层信令,确定组公共物理下行控制信道的发送周期。
- 根据权利要求31所述的方法,还包括:通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者通过基站发送的高层信令,确定组公共物理下行控制信道发送的偏移值。
- 根据权利要求32所述的方法,其中,通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,还包括:根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;在所述接收时隙上检测接收组公共物理下行控制信道;或者通过基站发送的高层信令,确定组公共物理下行控制信道发送的偏移值之后,还包括:根据所述组公共物理下行控制信道的发送周期和偏移值,确定组公共物理下行控制信道的接收时隙;在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求27、30或33所述的方法,其中,在所述接收时隙上检测接收组公共物理下行控制信道,包括:若第一接收时隙为全上行时隙,则在所述第一接收时隙之后,距离所述第一接收时隙最近的下行接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求24所述的方法,其中,确定组公共物理下行控制信道的发送周期之后,还包括:根据组公共物理下行控制信道的发送周期,确定组公共物理下行控制信道的数据生效时间。
- 根据权利要求35所述的方法,其中,根据组公共物理下行控制信道的发送周期,确定组公共物理下行控制信道的数据生效时间,包括:以接收到的第一组公共物理下行控制信道所在的时隙为起始,经过一个所述发送周期的时间确定为所述第一组公共物理下行控制信道的数据生效时间;或者以接收到的第一组公共物理下行控制信道所在的时隙为起始,到下一次接收到第二组公共物理下行控制信道之前所经过的时间,确定为所述第一组公共物理下行控制信道的数据生效时间;或者以接收到的第一组公共物理下行控制信道所在的时隙为起始,到接收到基站发送的更改组公共物理下行控制信道的指令之前所经过的时间,确定为所述第一组公共物理下行控制信道的数据生效时间。
- 一种应用于终端的下行信道接收装置,包括:第五确定模块,用于通过显示或者隐式的方式,确定组公共物理下行控制信道的发送周期。
- 根据权利要求37所述的装置,其中,所述第五确定模块包括:第二确定单元,用于通过协议确定组公共物理下行控制信道的发送周期。
- 根据权利要求38所述的装置,还包括:第六确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求39所述的装置,还包括:第七确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,根据所述协议确定的组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;接收模块,用于在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求37所述的装置,其中,所述第五确定模块包括:第三确定单元,用于通过基站发送的广播信令,确定组公共物理下行控制信道的发送周期。
- 根据权利要求41所述的装置,还包括:第六确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者第八确定模块,用于通过基站发送的广播信令,确定组公共物理下行控制信道发送的起始时隙位置。
- 根据权利要求42所述的装置,还包括:第九确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置,或者通过基站发送的广播信令,确定组公共物理下行控制信道发送的起始时隙位置之后,根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;接收模块,用于在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求37所述的装置,其中,所述第五确定模块包括:第四确定单元,用于通过基站发送的高层信令,确定组公共物理下行控制信道的发送周期。
- 根据权利要求44所述的装置,还包括:第六确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置;或者第十确定模块,用于通过基站发送的高层信令,确定组公共物理下行控制信道发送的偏移值。
- 根据权利要求45所述的装置,还包括:第十一确定模块,用于通过协议确定组公共物理下行控制信道发送的起始时隙位置之后,根据所述组公共物理下行控制信道的发送周期和起始时隙位置,确定组公共物理下行控制信道的接收时隙;或者通过基站发送的高层信令,确定组公共物理下行控制信道发送的偏移值之后,根据所述组公共物理下行控制信道的发送周期和偏移值,确定组公共物理下行控制信道的接收时隙;接收模块,用于在所述接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求40、43或46所述的装置,其中,所述接收模块包括:接收单元,用于若第一接收时隙为全上行时隙,则在所述第一接收时隙之后,距离所述第一接收时隙最近的下行接收时隙上检测接收组公共物理下行控制信道。
- 根据权利要求37所述的装置,还包括:第十二确定模块,用于确定组公共物理下行控制信道的发送周期之后,根据组公共物理下行控制信道的发送周期,确定组公共物理下行控制信道的数据生效时间。
- 根据权利要求48所述的装置,其中,所述第十二确定模块用于:以接收到的第一组公共物理下行控制信道所在的时隙为起始,经过一个所述发送周期的时间确定为所述第一组公共物理下行控制信道的数据生效时间;或者以接收到的第一组公共物理下行控制信道所在的时隙为起始,到下一次接收到第二组公共物理下行控制信道之前所经过的时间,确定为所述第一组公共物理下行控制信道的数据生效时间;或者以接收到的第一组公共物理下行控制信道所在的时隙为起始,到接收到基站发送的更改组公共物理下行控制信道的指令之前所经过的时间,确定为所述第一组公共物理下行控制信道的数据生效时间。
- 一种终端,包括:第二存储器、第二处理器及存储在第二存储器上并可在第二处理器上运行的计算机程序,其中,所述第二处理器执行所述计算机程序时实现如权利要求24-36任一项所述下行信道接收方法中的步骤。
- 一种非易失性计算机可读存储介质,包括:在所述非易失性计算机可读存储器上存储的程序和指令,其中当所述程序和指令由计算机处理器执行时,所述计算机处理器执行根据权利要求1-11中任一项所述的方法中的步骤。
- 一种非易失性计算机可读存储介质,包括:在所述非易失性计算机可读存储器上存储的程序和指令,其中当所述程序和指令由计算机处理器执行时,所述计算机处理器执行根据权利要求24-36 中任一项所述的方法中的步骤。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/610,478 US11206652B2 (en) | 2017-05-02 | 2018-04-26 | Downlink channel transmitting method, downlink channel receiving method, devices thereof, base station and terminal |
EP18794522.5A EP3621383B1 (en) | 2017-05-02 | 2018-04-26 | Downlink channel transmission method, downlink channel reception method, base station, and terminal |
JP2019559781A JP6956202B2 (ja) | 2017-05-02 | 2018-04-26 | ダウンリンクチャネル伝送および受信方法、装置、基地局および端末 |
KR1020197035279A KR102371398B1 (ko) | 2017-05-02 | 2018-04-26 | 다운링크 채널 전송, 수신 방법, 장치, 기지국 및 단말 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710301333.1A CN108811096B (zh) | 2017-05-02 | 2017-05-02 | 一种下行信道传输、接收方法、装置、基站及终端 |
CN201710301333.1 | 2017-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018201969A1 true WO2018201969A1 (zh) | 2018-11-08 |
Family
ID=64015849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2018/084663 WO2018201969A1 (zh) | 2017-05-02 | 2018-04-26 | 下行信道传输、接收方法、装置、基站及终端 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11206652B2 (zh) |
EP (1) | EP3621383B1 (zh) |
JP (1) | JP6956202B2 (zh) |
KR (1) | KR102371398B1 (zh) |
CN (1) | CN108811096B (zh) |
WO (1) | WO2018201969A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112004268A (zh) * | 2020-10-26 | 2020-11-27 | 新华三技术有限公司 | 资源调度方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102149049A (zh) * | 2010-02-08 | 2011-08-10 | 普天信息技术研究院有限公司 | 数字集群通信系统中的集群业务实现方法和集群用户终端 |
CN103037510A (zh) * | 2011-09-30 | 2013-04-10 | 中国移动通信集团公司 | 一种增强下行控制信道资源的指示方法、系统和设备 |
GB2508595A (en) * | 2012-12-03 | 2014-06-11 | Sony Corp | A group-based PDCCH capability for machine type communication (MTC) devices |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7200405B2 (en) * | 2003-11-18 | 2007-04-03 | Interdigital Technology Corporation | Method and system for providing channel assignment information used to support uplink and downlink channels |
CN102694618B (zh) * | 2011-03-23 | 2015-05-13 | 联芯科技有限公司 | 空闲状态下失步检测方法及终端设备 |
CN104584460B (zh) | 2012-08-11 | 2019-02-22 | Lg电子株式会社 | 在无线通信系统中接收下行链路控制信道的方法和设备 |
CN103796311B (zh) * | 2012-10-30 | 2018-08-21 | 中兴通讯股份有限公司 | 一种集群半静态调度资源配置方法及基站及终端 |
EP3614601B1 (en) | 2013-01-14 | 2021-05-19 | LG Electronics Inc. | Method and user equipment for receiving downlink signal and method and base station for transmitting downlink signal |
KR101919636B1 (ko) | 2013-10-04 | 2018-11-20 | 주식회사 케이티 | 하향링크 제어 채널을 송수신하는 방법 및 그 장치 |
WO2015141833A1 (ja) * | 2014-03-20 | 2015-09-24 | シャープ株式会社 | 端末装置、および、基地局装置 |
JP6076424B1 (ja) * | 2015-08-13 | 2017-02-08 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
US10958394B2 (en) * | 2017-03-10 | 2021-03-23 | Qualcomm Incorporated | Ultra-reliable low-latency communication indication channelization designs |
-
2017
- 2017-05-02 CN CN201710301333.1A patent/CN108811096B/zh active Active
-
2018
- 2018-04-26 WO PCT/CN2018/084663 patent/WO2018201969A1/zh unknown
- 2018-04-26 JP JP2019559781A patent/JP6956202B2/ja active Active
- 2018-04-26 US US16/610,478 patent/US11206652B2/en active Active
- 2018-04-26 KR KR1020197035279A patent/KR102371398B1/ko active IP Right Grant
- 2018-04-26 EP EP18794522.5A patent/EP3621383B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102149049A (zh) * | 2010-02-08 | 2011-08-10 | 普天信息技术研究院有限公司 | 数字集群通信系统中的集群业务实现方法和集群用户终端 |
CN103037510A (zh) * | 2011-09-30 | 2013-04-10 | 中国移动通信集团公司 | 一种增强下行控制信道资源的指示方法、系统和设备 |
GB2508595A (en) * | 2012-12-03 | 2014-06-11 | Sony Corp | A group-based PDCCH capability for machine type communication (MTC) devices |
Non-Patent Citations (2)
Title |
---|
HUAWEI ET AL.: "Remaining Details on Group-common PDCCH", 3GPP TSG RAN WG 1 MEETING 91, R1-1719388, 18 November 2017 (2017-11-18), XP051369297 * |
See also references of EP3621383A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112004268A (zh) * | 2020-10-26 | 2020-11-27 | 新华三技术有限公司 | 资源调度方法及装置 |
CN112004268B (zh) * | 2020-10-26 | 2021-01-26 | 新华三技术有限公司 | 资源调度方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6956202B2 (ja) | 2021-11-02 |
EP3621383B1 (en) | 2021-09-15 |
EP3621383A4 (en) | 2020-05-06 |
KR102371398B1 (ko) | 2022-03-04 |
US20200163057A1 (en) | 2020-05-21 |
CN108811096B (zh) | 2021-05-07 |
US11206652B2 (en) | 2021-12-21 |
EP3621383A1 (en) | 2020-03-11 |
KR20200003090A (ko) | 2020-01-08 |
JP2020519128A (ja) | 2020-06-25 |
CN108811096A (zh) | 2018-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11968623B2 (en) | Method and apparatus having a discontinuous reception configuration | |
US11716611B2 (en) | Method for reporting blind decoding capability, blind decoding configuration, blind decoding method, terminal and base station | |
EP3860024B1 (en) | Methods executed by user equipment and user equipment | |
WO2018082420A1 (zh) | 一种短传输时间间隔的监听指示及监听方法、装置 | |
KR20190113796A (ko) | 라디오 시스템을 위한 동기화 신호 송신 및 수신 | |
US20140226607A1 (en) | Apparatus and Method for Communication | |
WO2020088688A1 (zh) | 资源配置方法及装置 | |
EP3198959B1 (en) | A method and device of resource allocations for scheduling assignments in device to device communications | |
JP2023500346A (ja) | 上りリンクキャンセルインディケーションの方法及びユーザ機器 | |
WO2014008830A1 (zh) | 一种盲检方式确定方法、盲检方法及装置 | |
CN111034145A (zh) | 基于具有不同可靠性的数据分组指配监测控制候选的方法和装置 | |
WO2017129035A1 (zh) | 一种下行控制信息的传输、检测方法及装置 | |
WO2019047632A1 (zh) | 用于传输下行数据的资源的确定和配置方法、终端和基站 | |
WO2017133378A1 (zh) | 一种数据传输方法、相关设备及系统 | |
WO2016138841A1 (zh) | 数据传输的方法、反馈信息传输方法及相关设备 | |
US20210337477A1 (en) | Communication method and apparatus | |
WO2019047659A1 (zh) | 一种指示以及下行控制信道检测方法、设备、装置 | |
WO2018233566A1 (zh) | 确定下行控制信道资源的方法、装置、用户设备及基站 | |
US11653363B2 (en) | Method and device for transmitting downlink channel | |
WO2018201969A1 (zh) | 下行信道传输、接收方法、装置、基站及终端 | |
CN109217996B (zh) | 无线通信方法、装置及系统 | |
WO2017167252A1 (zh) | 一种信息传输方法、终端及基站 | |
WO2018127221A1 (zh) | 一种资源指示方法及相关设备 | |
CN110547038B (zh) | 通信系统 | |
JP2018517349A (ja) | データ伝送方法及び装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18794522 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019559781 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20197035279 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2018794522 Country of ref document: EP Effective date: 20191202 |