CN109962765A

CN109962765A - A kind of method and device by PDSCH transmission wireless signal

Info

Publication number: CN109962765A
Application number: CN201810151871.1A
Authority: CN
Inventors: 秦城; 徐凯; 孙彦良
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-12-22
Filing date: 2018-02-14
Publication date: 2019-07-02
Anticipated expiration: 2038-02-14
Also published as: CN109962765B

Abstract

This application discloses a kind of method and devices by PDSCH transmission wireless signal.In the application, the network equipment and terminal device can appoint preset rules set and select from preset rules set a kind of for determining the mode of the preset rules of TCI state, and then the network equipment is when determining that this sends the duration being spaced between the wireless signal of DCI and the PDSCH to be sent carrying of PDCCH carrying greater than a certain preset value, a kind of preset rules are selected from preset rules set, and the TCI state according to determined by the preset rules selected, send the wireless signal of PDSCH carrying.Terminal device can also select a kind of preset rules, and the TCI state according to determined by the preset rules selected in preset rules set, receive the wireless signal of PDSCH carrying.By neatly choosing the preset rules for determining TCI state, actual channel variation can be preferably adapted to, promotes transmission quality.

Description

A kind of method and device by PDSCH transmission wireless signal

This application claims submission on December 22nd, 2017 Patent Office of the People's Republic of China, application No. is 201711398743.9, invention names The referred to as priority of the Chinese patent application of " a kind of the wave beam indicating means and equipment of PDSCH ", entire contents are by drawing With being incorporated in present specification.Just for the sake of Compact representations, not in present specification, original text repeats entire contents again One time.

Technical field

This application involves field of communication technology more particularly to a kind of method and devices by PDSCH transmission wireless signal.

Background technique

In Next-Generation Wireless Communication Systems, communication equipment can use multi-antenna technology carry out wireless signal transmission and It receives.Specifically, transmitting terminal, which can use more antennas, generates the directional beam with directive property, sent by directional beam Wireless signal, as much as possible guarantee wireless signal in high-frequency range can normal transmission, correspondingly, receiving end can use more Root antenna, which is generated, sends the directional beam that the directional beam used when the wireless signal matches with transmitting terminal to receive this wirelessly Signal.Therefore, for receiving end, need to know in advance that wireless signal to be received is sent using which kind of directional beam , the wireless signal can just be correctly received.

Currently, the transmission of each wireless signal of the network equipment in the downstream direction, requires to carry out terminal device Wave beam instruction, so which kind of directional beam terminal device, which is known using, receives wireless signal.Wherein, shared for downlink physical The wave beam of the wireless signal transmitted on channel (physical downlink shared channel, PDSCH) indicates that network is set Standby is usually to pass through downlink physical control channel (physical downlink before sending wireless signal by PDSCH Control channel, PDCCH) Downlink Control Information (downlink control information, DCI) is sent, In, a kind of transmission configuration instruction (transmission configuration indicator, TCI) state is carried in DCI, The TCI state is used to indicate used directional beam when the wireless signal sended and received on PDSCH.However, due to terminal The DCI needs of equipment demodulation PDCCH carrying take a certain time, if the network equipment sends DCI by PDCCH and passes through PDSCH It sends the duration being spaced between wireless signal and is less than the duration that the DCI of terminal device demodulation PDCCH carrying is spent, then network When equipment sends wireless signal by PDSCH, terminal device because that can not get the TCI state carried in DCI, Jin Erwu in time Method confirmation receives the wireless signal on PDSCH using which kind of directional beam.

For above situation, the network equipment can preassign a kind of TCI state and be indicated to terminal device in existing scheme, It sends DCI by PDCCH in the network equipment and sends the duration being spaced between wireless signal by PDSCH and be less than preset value (institute Preset value is stated by the ability of the DCI of terminal device demodulation PDCCH carrying to determine) when, the network equipment is according to preassigned TCI State sends wireless signal by PDSCH, and correspondingly, terminal device also according to preassigned TCI state, passes through PDSCH Receive wireless signal.And it is this fixedly by the way of preassigned TCI state, it is difficult to adapt to actual channel variation feelings Condition, so that the transmission quality by PDSCH transmission wireless signal is poor.

Summary of the invention

The application provides a kind of method and device of the wireless signal of transmission PDSCH carrying, passes through PDSCH transmission to be promoted Transmission quality when wireless signal.

In a first aspect, providing a kind of method of the wireless signal of transmission PDSCH carrying, this method can be held by the network equipment Row, the network equipment is, for example, base station.This method comprises: the network equipment determine the first duration less than the first preset value, described first It is spaced between the wireless signal that the network equipment described in Shi Changwei this DCI and PDSCH to be sent for sending PDCCH carrying are carried Duration；Further, the network equipment determines the second duration, a length of this transmission of the network equipment of described second when The duration being spaced between the DCI of PDCCH carrying and the last DCI for sending PDCCH carrying；When second duration is less than second When preset value, the network equipment is according to the first TCI state indicated in the last DCI for sending PDCCH carrying, hair The wireless signal for sending PDSCH to carry；When second duration is greater than or equal to second preset value, the network equipment root According to preassigned 2nd TCI state, the wireless signal of PDSCH carrying is sent.

In the above method, after the network equipment determines the first duration less than the first preset value, that is, determines and held in transmission PDSCH It, can be according to transmitting twice after terminal device possibly can not demodulate the DCI of PDCCH carrying in time when the wireless signal of load The duration being spaced between PDCCH, neatly to choose TCI state.When being spaced smaller between transmission PDCCH twice, in use First TCI state of PDCCH instruction, conversely, using preassigned 2nd TCI state.It can to choose TCI state Mode it is more flexible, and choose TCI state have preferable timeliness, and then using choose TCI state it is corresponding Directional beam when transmitting the wireless signal on PDSCH, can preferably promote the transmission performance of wireless signal on PDSCH.

Wherein, the value of first preset value can be determined by the ability of the DCI of terminal device demodulation PDCCH carrying, For example, the value of first preset value can be understood as duration needed for terminal device demodulates the DCI of PDCCH carrying.Institute The value for stating the second preset value can be determined according to information such as the channel status of terminal device.

In a kind of possible design, the network equipment can make an appointment with terminal device first preset value, Second preset value and the preset rules for determining TCI state.Wherein, described for determining the default rule of TCI state It then include using the first TCI state indicated in the last DCI for receiving PDCCH carrying and using preassigned second TCI state.Specifically, the network equipment can send the instruction message for carrying second preset value to terminal device； And the network equipment sends the instruction message carried for determining the preset rules of TCI state to the terminal device； And the network equipment receives the instruction message for carrying first preset value from the terminal device.Wherein, on Stating instruction message can be high-level signaling, such as wireless heterogeneous networks (radio resource control, RRC) signaling etc..

In above-mentioned design, the network equipment and terminal device can pass through PDSCH transmission wireless signal by making an appointment When the configuration information that uses, the network equipment and terminal device can be made to select in a like fashion to choose transmission PDSCH carrying The TCI state used when wireless signal, to keep the consistency of the selection result of the network equipment and terminal device.

Second aspect, provides a kind of method of the wireless signal of transmission PDSCH carrying, and this method can be held by terminal device Row.This method comprises: the terminal device determines the first duration, a length of this reception of the terminal device of described first when The duration being spaced between the DCI of PDCCH carrying and the last DCI for receiving PDCCH carrying；When first duration is less than When one preset value, the first TCI state indicated in the DCI that the terminal device is carried according to the last reception PDCCH, The wireless signal of PDSCH carrying is monitored in preset duration；When first duration is greater than or equal to first preset value, institute Terminal device is stated according to preassigned 2nd TCI state, the wireless signal of PDSCH carrying is monitored in the preset duration.

Wherein, the preset duration is duration needed for the terminal device demodulates the DCI of PDCCH carrying, when described default Long, described first preset value and preset rules for determining TCI state are that the terminal device and the network equipment appoint in advance It sets；The preset rules for determining TCI state include indicating using in the last DCI for receiving PDCCH carrying First TCI state and the preassigned 2nd TCI state of use.

In the above method, in order to avoid terminal device can not receive in time during demodulating the DCI of PDCCH carrying The DCI of PDSCH carrying, terminal device can predefine a kind of TCI shape according to the duration being spaced between PDCCH is transmitted twice State, and the wireless signal carried on PDSCH is monitored according to predetermined TCI state.Specifically, terminal device can be two When being spaced smaller between secondary transmission PDCCH, the first TCI state indicated using last PDCCH, conversely, using preassigning The 2nd TCI state.This mode for choosing TCI state is more flexible, and the TCI state chosen has preferable timeliness, And then when using the corresponding directional beam of TCI state chosen to transmit the wireless signal on PDSCH, can preferably it be promoted The transmission performance of the upper wireless signal of PDSCH.

In a kind of possible design, terminal device can determine whether listened to PDSCH in the preset duration The wireless signal of carrying；If the terminal device has listened to the wireless signal of PDSCH carrying, institute in the preset duration Terminal device is stated to continue to receive the wireless signal of PDSCH carrying according to the first TCI state or the 2nd TCI state；If The terminal device does not hear the wireless signal of PDSCH carrying in the preset duration, then the terminal device is according to institute The TCI state indicated in the DCI that this receives PDCCH carrying is stated, the wireless signal of PDSCH carrying is received.

In above-mentioned design, terminal device judges whether to have listened to the wireless signal of PDSCH carrying in preset duration, can be with It determines after the DCI that unsuccessful demodulation goes out PDCCH carrying, is to continue with and continues to use the first TCI state or the 2nd TCI state, still adopt The wireless signal of PDSCH carrying is received with the TCI state indicated in the DCI carried in the PDCCH demodulated.Wherein, pre- If the case where having listened to the wireless signal of PDSCH carrying in duration corresponds to the network equipment in above-mentioned first aspect and determines first The case where duration is less than the first preset value, the network equipment can be synchronous using the first TCI state with terminal device in this case Or the 2nd TCI state, the TCI state used when can not only accurately determine out the wireless signal for receiving PDSCH carrying, also The TCI state that can be used with the network equipment is consistent.

The third aspect, provides a kind of method of the wireless signal of transmission PDSCH carrying, and this method can be held by the network equipment Row, the network equipment is, for example, base station.This method comprises: the network equipment determine the first duration less than the first preset value, described first It is spaced between the wireless signal that the network equipment described in Shi Changwei this DCI and PDSCH to be sent for sending PDCCH carrying are carried Duration；The network equipment is sent according to the TCI state of last update at least one preconfigured TCI state The wireless signal of PDSCH carrying.

In the above method, after the network equipment determines the first duration less than the first preset value, that is, determines and held in transmission PDSCH It, can be according to preconfigured after terminal device possibly can not demodulate the DCI of PDCCH carrying in time when the wireless signal of load The TCI state of last update at least one TCI state, to transmit the wireless signal of PDSCH carrying.Due to carry out It is generally based on the measurement result of downlink reference signal when the update of TCI state, therefrom chooses the preferable downlink ginseng of measurement result Signal is examined to update TCI state, therefore the TCI state updated can well adapt to current channel status.Therefore, using nearest The TCI state once updated can make the directional beam for determining to be used for transmission the wireless signal on PDSCH more excellent, can Promote the transmission performance of wireless signal on PDSCH.

In a kind of possible design, the network equipment can be by matching in advance described in the preparatory instruction terminal equipment of high-level signaling The mode of any one TCI state at least one the described TCI state of at least one TCI state and update set.High level letter Enable for example, RRC signaling etc..In this way, the network equipment and terminal device can be adopted in a like fashion to choose TCI state, so that The TCI state used when the wireless signal of transmission PDSCH carrying is consistent.

In a kind of possible design, the network equipment is to be updated in updating at least one preconfigured TCI state After TCI state, it can also indicate that terminal device updates the TCI state to be updated.Specific indicating mode can pass through high level Signaling indicates that high-level signaling is, for example, RRC signaling or media access control (media access control, MAC) signaling. In this way, the network equipment can make the two last update with the synchronous update for carrying out TCI state of instruction terminal equipment TCI state is consistent, and promotes reliability.

Fourth aspect, provides a kind of method of the wireless signal of transmission PDSCH carrying, and this method can be held by terminal device Row.This method comprises: TCI state of the terminal device according to last update at least one preconfigured TCI state, The wireless signal of PDSCH carrying is monitored in preset duration.

Wherein, the preset duration is duration needed for the terminal device demodulates the DCI of PDCCH carrying；When described default At least one long, described TCI state and the terminal device update any one TCI at least one described TCI state The mode of state is that the terminal device and the network equipment have been made an appointment.

In the above method, in order to avoid terminal device can not receive in time during demodulating the DCI of PDCCH carrying The DCI of PDSCH carrying, terminal device can also choose TCI state from preconfigured TCI state and hold on PDSCH to monitor The wireless signal of load.Because therefrom choosing in the measurement result for carrying out being generally based on downlink reference signal when the update of TCI state The preferable downlink reference signal of measurement result updates TCI state, therefore uses the TCI state of last update, can be preferable The current channel status of adaptation promoted so that determining that the directional beam for the wireless signal being used for transmission on PDSCH is more excellent The transmission performance of the upper wireless signal of PDSCH.

In a kind of possible design, terminal device can determine whether listened to PDSCH in the preset duration The wireless signal of carrying；If the terminal device has listened to the wireless signal of PDSCH carrying, institute in the preset duration Terminal device continuation is stated according to the TCI state of the last update, receives the wireless signal of PDSCH carrying；If the end End equipment does not hear the wireless signal of PDSCH carrying in the preset duration, then the terminal device is according to this reception PDCCH carrying DCI in the TCI state that indicates, receive the wireless signal of PDSCH carrying.

5th aspect, provides a kind of method of the wireless signal of transmission PDSCH carrying, and this method can be held by the network equipment Row, the network equipment such as base station.This method comprises: the network equipment determines the first duration less than the first preset value, when described first A length of network equipment this send PDCCH carrying DCI and PDSCH to be sent carrying wireless signal between be spaced when It is long；The network equipment selects a kind of preset rules from preset rules set；The preset rules set includes at least two Preset rules, every kind of preset rules are for determining TCI state；The network equipment is according to determined by the preset rules selected TCI state sends the wireless signal of PDSCH carrying.

In the above method, after the network equipment determines the first duration less than the first preset value, that is, determines and held in transmission PDSCH It, can be neatly from default rule after terminal device possibly can not demodulate the DCI of PDCCH carrying in time when the wireless signal of load It then chooses a kind of preset rules in set to be used to determine TCI state, to hold according to determining TCI state to transmit PDSCH When the wireless signal of load, current channel status can be preferably adapted to, promotes the transmission performance of wireless signal on PDSCH.

Wherein, the network equipment and the terminal device can make an appointment first preset value, described default Regular collection and the mode that a kind of preset rules are selected from the preset rules set, so that the network equipment and terminal device The preset rules of selection are consistent.Specifically, can be as the network equipment by presetting rule described in high-level signaling instruction terminal equipment Then gather and select from the preset rules set a kind of mode of preset rules.High-rise letter can be passed through by terminal device Enable the first preset value described in the instruction network equipment.

In a kind of possible design, the network equipment before selecting a kind of preset rules in preset rules set, The preset rules set comprising at least two preset rules can also be created, and sends instruction to the terminal device and disappears Breath, the instruction message include the preset rules set comprising at least two preset rules and from the preset rules The mode of a preset rules is selected in set.Wherein, the instruction message can be high-level signaling, and the high-level signaling is for example For RRC signaling.

It wherein, can also include the priority set at least two preset rules in the instruction message；Wherein, The TCI state according to determined by the preset rules of different priorities, transmission PDSCH carrying wireless signal when transmission quality not Together.According to actual needs so as to the network equipment, the preset rules of different priorities are chosen.

In a kind of possible design, the preset rules set may include following at least two preset rules: use Last time sends the first TCI state indicated in the DCI that PDCCH is carried；Using preassigned 2nd TCI state；Using pre- The TCI state of last update at least one the TCI state first configured.

Between in view of the network equipment, this is sent between the DCI of PDCCH carrying and the last DCI for sending PDCCH carrying Every time longer situation under, since channel may have occurred apparent variation, if continuing to use last PDCCH carrying The TCI state indicated in DCI, it may be difficult to be adapted to current channel situation, therefore additionally provide alternatively possible design.

In alternatively possible design, the preset rules set can also include:

According to the second duration, TCI state is determined；Wherein, when second duration is less than the second preset value, using upper one The first TCI state indicated in the secondary DCI for sending PDCCH carrying, when second duration is greater than or equal to the second preset value, Using preassigned 2nd TCI state；When described second a length of network equipment this send PDCCH carrying DCI with Last time sends the duration being spaced between the DCI that PDCCH is carried；

Using the TCI state of last update at least one preconfigured TCI state.

In above-mentioned design, by configuring at least two preset rules in preset rules set, it can make the network equipment can To select required preset rules from preset rules set according to actual needs, to be passed according to determining TCI state When the wireless signal of defeated PDSCH carrying, current channel status can be preferably adapted to, so that transmission performance is more excellent.

The mode for selecting a kind of preset rules from preset rules set for the network equipment possible is set a kind of In meter, the network equipment can select preconfigured preset rules from preset rules set.Also, it is preconfigured pre- If rule can be notified by high-level signaling or dynamic signaling to terminal device.High-level signaling is, for example, RRC signaling, dynamic signaling For example, DCI.Specifically, preconfigured preset rules can be the specified preset rules using a certain default or refer to Surely the preset rules of some priority are used.Specifically being pre-configured with any preset rules can come according to actual needs really It is fixed.

In the case that above-mentioned design can be applied to select a kind of preset rules from preset rules set for the first time.Such case Lower network equipment and terminal device use preconfigured preset rules, can make the wireless communication of the two transmission PDSCH carrying Number when the preset rules that use be consistent.

In alternatively possible design, the preceding n times that the network equipment can be fed back according to the terminal device are received The reception quality information when wireless signal of PDSCH carrying, selects a kind of preset rules from preset rules set, N be greater than Zero integer.

Specifically, the preceding n times that the network equipment can be fed back according to the terminal device receive the wireless of PDSCH carrying Reception quality information when signal determines and meets the switching conditions of preset rules, and then the network equipment can be from described pre- If selecting a kind of preset rules in the second preset rules in regular collection in addition to the first preset rules, the described first default rule It is then the last preset rules selected from the preset rules set.Wherein, the network equipment is from the default rule It, can be according to described second when then selecting a kind of preset rules in the second preset rules in set in addition to the first preset rules The priority of preset rules, selects a kind of preset rules from second preset rules, according to different priorities in the application Preset rules determined by TCI state, transmission quality is different when the wireless signal of transmission PDSCH carrying.

Wherein, the reception quality information comprises at least one of the following: the terminal device receives the wireless of PDSCH carrying Read really symbol (acknowledgement, ACK) and/or non-acknowledgement character (negative are fed back during signal Acknowledge, NACK)；The Reference Signal Received Power of reference signal on the PDSCH of the terminal device measurement (reference signal receiving power, RSRP) or channel quality indicate (channel quality Indicator, CQI).

The switching condition of the preset rules be it is following any one: the number of the ACK is less than the first preset times；Institute The number for stating NACK is greater than or equal to the second preset times；The average value of the RSRP is less than the first default average value；It is described The average value of CQI is less than the second default average value；The RSRP is greater than third preset times less than the number of the first preset threshold； The CQI is greater than the 4th preset times less than the number of the second preset threshold.

Above-mentioned design can be applied to it is non-a kind of preset rules are selected from preset rules set for the first time in the case where.This feelings Under condition, when the network equipment selects preset rules every time, the transmission of the wireless signal of last transmission PDSCH carrying can be considered Quality condition, so that TCI state determined by the preset rules of selection, can preferably meet current channel status situation, Reach better transmission performance.

6th aspect, provides a kind of method of the wireless signal of transmission PDSCH carrying, and this method can be held by terminal device Row.This method comprises: terminal device selects a kind of preset rules from preset rules set；The preset rules set includes extremely Few two kinds of preset rules, every kind of preset rules are for determining TCI state, and further, the terminal device is according to selecting TCI state determined by preset rules monitors the wireless signal of PDSCH carrying in preset duration.

Wherein, the preset duration is duration needed for the terminal device demodulates the DCI of PDCCH carrying；When described default Long, the described preset rules set and select a kind of mode of preset rules for the terminal device from preset rules set It has made an appointment with the network equipment.

In the above method, in order to avoid terminal device can not receive in time during demodulating the DCI of PDCCH carrying The DCI of PDSCH carrying, terminal device can also select a kind of default from the preset rules set made an appointment with the network equipment Rule, and PUSCH is monitored according to the preset rules of selection.It, can be neatly from default rule by configuring preset rules set Preset rules then are selected in set, thus when transmitting the wireless signal of PDSCH carrying according to determining TCI state, it can be with Current channel status is preferably adapted to, so that transmission performance is more excellent.

In a kind of possible design, whether the terminal device can determine and listen in the preset duration The wireless signal of PDSCH carrying；If the terminal device has listened to the wireless communication of PDSCH carrying in the preset duration Number, then the terminal device continues the TCI state according to determined by selected preset rules, receives PDSCH carrying Wireless signal；If the terminal device does not hear the wireless signal of PDSCH carrying, the terminal in the preset duration The TCI state indicated in the DCI that equipment is carried according to this received PDCCH, receives the wireless signal of PDSCH carrying.

In above-mentioned design, terminal device judges whether to have listened to the wireless signal of PDSCH carrying in preset duration, can be with It determines after the DCI that unsuccessful demodulation goes out PDCCH carrying, is to continue with TCI state determined by the preset rules continued to use and selected, Or the wireless signal of PDSCH carrying is received using the TCI state indicated in the DCI carried in the PDCCH demodulated.Its In, listened in preset duration PDSCH carrying wireless signal the case where correspond to it is above-mentioned 5th aspect in the network equipment Determine the case where the first duration is less than the first preset value, the network equipment can be synchronous using selection with terminal device in this case TCI state determined by preset rules out uses when can not only accurately determine out the wireless signal for receiving PDSCH carrying TCI state, additionally it is possible to the TCI state used with the network equipment is consistent.

In a kind of possible design, the preset rules set includes following at least two preset rules: using upper one The first TCI state indicated in the secondary DCI for receiving PDCCH carrying；Using preassigned 2nd TCI state；Using matching in advance The TCI state of last update at least one the TCI state set.

In alternatively possible design, the preset rules set includes:

According to the first duration, TCI state is determined；Wherein, when first duration is less than the first preset value, using upper one The first TCI state indicated in the secondary DCI for receiving PDCCH carrying, when first duration is greater than or equal to the first preset value, Using preassigned 2nd TCI state；When described first a length of terminal device this receive PDCCH carrying DCI with Last time receives the duration being spaced between the DCI that PDCCH is carried；

Using the TCI state of last update at least one preconfigured TCI state.

Wherein, each preset rules can respectively correspond a priority in the preset rules set, according to difference TCI state determined by the preset rules of priority, transmission quality when transmitting the wireless signal of PDSCH carrying are different.

The mode for selecting a kind of preset rules from preset rules set for the terminal device possible is set a kind of In meter, the terminal device can select preconfigured preset rules from preset rules set, described preconfigured pre- If rule is that the terminal device and the network equipment have been made an appointment.

In alternatively possible design, the terminal device can receive the wireless signal of PDSCH carrying according to preceding n times When reception quality information, select a kind of preset rules from preset rules set, N is the integer greater than zero.

Specifically, the quality of reception when terminal device can receive the wireless signal of PDSCH carrying according to preceding n times is believed Breath determines the switching condition for meeting preset rules, and then the terminal device removes first from the preset rules set and presets A kind of preset rules are selected in the second preset rules other than rule, first preset rules are last from the default rule The preset rules then selected in set.Wherein, the terminal device is removing the first preset rules from the preset rules set It, can be according to the priority of second preset rules, from institute when selecting a kind of preset rules in the second preset rules in addition It states and selects a kind of preset rules in the second preset rules.The TCI according to determined by the preset rules of different priorities in the application State, transmission quality is different when transmitting the wireless signal of PDSCH carrying.

Wherein, the reception quality information comprises at least one of the following: the terminal device receives the wireless of PDSCH carrying The correct response instruction ACK and/or wrong responses command N ACK fed back during signal；The terminal device measurement The Reference Signal Received Power RSRP or channel quality indicator (CQI) of reference signal on PDSCH.

Above-mentioned design can be applied to it is non-a kind of preset rules are selected from preset rules set for the first time in the case where.This feelings Under condition, when terminal device selects preset rules every time, the transmission of the wireless signal of last transmission PDSCH carrying can be considered Quality condition, so that TCI state determined by the preset rules of selection, can preferably meet current channel status situation, Reach better transmission performance.

7th aspect, provides a kind of communication device, and the communication device has the network for realizing that above-mentioned first aspect is related to Functions of the equipments, the function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with the network equipment in above-mentioned first aspect and the arbitrarily possible design of above-mentioned first aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what the network equipment in the arbitrarily possible design of above-mentioned first aspect and first aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Save realize network equipment function involved in any possible design in above-mentioned first aspect and first aspect must Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that the network equipment executes in the arbitrarily possible design of above-mentioned first aspect and first aspect.

Eighth aspect, provides a kind of communication device, and the communication device has the terminal for realizing that above-mentioned second aspect is related to Functions of the equipments, the function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with terminal device in above-mentioned second aspect and the arbitrarily possible design of above-mentioned second aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what terminal device in the arbitrarily possible design of above-mentioned second aspect and second aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Save realize terminal function involved in any possible design in above-mentioned second aspect and second aspect must Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that terminal device executes in the arbitrarily possible design of above-mentioned second aspect and second aspect.

9th aspect, provides a kind of communication device, and the communication device has the network for realizing that the above-mentioned third aspect is related to Functions of the equipments, the function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with the network equipment in the above-mentioned third aspect and the arbitrarily possible design of the above-mentioned third aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what the network equipment in the arbitrarily possible design of the above-mentioned third aspect and the third aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Save realize network equipment function involved in any possible design in the above-mentioned third aspect and the third aspect must Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that the network equipment executes in the arbitrarily possible design of the above-mentioned third aspect and the third aspect.

Tenth aspect, provides a kind of communication device, and the communication device has the terminal for realizing that above-mentioned fourth aspect is related to Functions of the equipments, the function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with terminal device in above-mentioned fourth aspect and the arbitrarily possible design of above-mentioned fourth aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what terminal device in the arbitrarily possible design of above-mentioned fourth aspect and fourth aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Save realize terminal function involved in any possible design in above-mentioned fourth aspect and fourth aspect must Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that terminal device executes in the arbitrarily possible design of above-mentioned fourth aspect and fourth aspect.

Tenth on the one hand, provides a kind of communication device, and the communication device has the net for realizing that above-mentioned 5th aspect is related to Network functions of the equipments, the function can also execute corresponding software realization by hardware realization by hardware.The hardware or Software includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with the network equipment in above-mentioned 5th aspect and the above-mentioned any possible design of 5th aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what the network equipment in above-mentioned 5th aspect and any possible design of the 5th aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Network equipment function involved in any possible design must in terms of saving realization the above-mentioned 5th and in terms of the 5th Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that the network equipment executes in above-mentioned 5th aspect and any possible design of the 5th aspect.

12nd aspect, provides a kind of communication device, and the communication device has the end for realizing that above-mentioned 6th aspect is related to End equipment function, the function can also execute corresponding software realization by hardware realization by hardware.The hardware or Software includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

In a kind of possible design, the communication device includes processing unit and Transmit-Receive Unit, processing unit and transmitting-receiving The function that unit executes can be executed with terminal device in above-mentioned 6th aspect and the above-mentioned any possible design of 6th aspect Method it is corresponding, it will not be described here.

In alternatively possible design, the communication device includes processor and transceiver, and the processor is controllable The transceiver receiving and transmitting signal completes what terminal device in above-mentioned 6th aspect and any possible design of the 6th aspect executed Method.

In addition, described device can also include one or more memories, the memory is used to couple with processor, Terminal function involved in any possible design must in terms of saving realization the above-mentioned 6th and in terms of the 6th Want computer program instructions and/or data.One or more of memories can be integrated with processor, can also be with Processor is separately positioned.The application does not limit.The computer program instructions of the memory storage can be performed in the processor, Complete the method that terminal device executes in above-mentioned 6th aspect and any possible design of the 6th aspect.

13rd aspect, provides a kind of communication system, the network equipment that is related to including first aspect and at least one second The terminal device that aspect is related to；Alternatively, including the network equipment that the third aspect is related to and the end that at least one fourth aspect is related to End equipment；Alternatively, including the network equipment that the 5th aspect is related to and the terminal device that at least one the 6th aspect is related to.

Fourteenth aspect provides a kind of chip, and the chip can be connected with memory, for reading and executing described deposit The program code stored in reservoir, to realize network equipment institute in the arbitrarily possible design of above-mentioned first aspect and first aspect The method being related to, alternatively, method involved in terminal device in the arbitrarily possible design of above-mentioned second aspect and second aspect, Alternatively, method involved in the network equipment in the arbitrarily possible design of the above-mentioned third aspect and the third aspect, alternatively, above-mentioned Method involved in terminal device in four aspects and the arbitrarily possible design of fourth aspect, alternatively, above-mentioned 5th aspect and Method involved in the network equipment in any possible design of 5th aspect, alternatively, above-mentioned 6th aspect and the 6th aspect are appointed Method involved in terminal device in possible design of anticipating.

15th aspect, provides a kind of computer storage medium, for storing program or instruction, when described program or instruction When running on computers, it can complete in the arbitrarily possible design of above-mentioned first aspect and first aspect involved by the network equipment And method, alternatively, method involved in terminal device in the arbitrarily possible design of above-mentioned second aspect and second aspect, or Method involved in the network equipment in person, the above-mentioned third aspect and the arbitrarily possible design of the third aspect, alternatively, the above-mentioned 4th Method involved in terminal device in aspect and the arbitrarily possible design of fourth aspect, alternatively, above-mentioned 5th aspect and the Method involved in the network equipment in any possible design of five aspects, alternatively, above-mentioned 6th aspect and the 6th aspect are any Method involved in terminal device in possible design.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of the possible network architecture provided by the present application；

Fig. 2 is a kind of schematic diagram of scheduling offset provided by the present application；

Fig. 3 is a kind of flow diagram for method by PDSCH transmission wireless signal that the embodiment of the present application one provides；

Fig. 4 a is the concrete scene schematic diagram one that the embodiment of the present application one provides；

Fig. 4 b is the concrete scene schematic diagram two that the embodiment of the present application one provides；

Fig. 5 is a kind of flow diagram for method by PDSCH transmission wireless signal that the embodiment of the present application two provides；

Fig. 6 is the concrete scene schematic diagram that the embodiment of the present application two provides；

Fig. 7 is a kind of flow diagram for method by PDSCH transmission wireless signal that the embodiment of the present application three provides；

Fig. 8 a is the concrete scene schematic diagram one that the embodiment of the present application three provides；

Fig. 8 b is the concrete scene schematic diagram two that the embodiment of the present application three provides；

Fig. 9 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 10 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 11 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 12 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 13 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 14 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 15 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 16 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 17 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 18 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 19 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application；

Figure 20 is a kind of communication apparatus structure schematic diagram provided by the embodiments of the present application.

Specific embodiment

In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into One step it is described in detail.

Hereinafter, the part term in the embodiment of the present application is explained, in order to those skilled in the art understand that.

(1) network equipment is a kind of equipment for accessing and being communicated with terminal device by air interface in net.The net Network equipment includes but is not limited to wireless access network (radio accessnetwork, RAN) equipment, such as base station, specifically, base Stand can refer to the LTE system of long term evolution (long term evolution, LTE) system or evolution (LTE-advanced, LTE-A the base station in), such as node B (NodeB, NB), evolved node B (evolved Node B, eNB), or can also be with It is next in new wireless (new radio, the NR) system of the 5th third-generation mobile communication technology (the fifth generation, 5G) For node B (next generation Node B, gNB) etc..

(2) terminal device is a kind of equipment for providing a user voice and/or data connectivity, may include various tools There is the handheld device of wireless communication function, mobile unit, wearable device, calculate equipment, unmanned plane or be connected to wireless-modulated Other processing equipments of demodulator and various forms of user equipmenies (user equipment, UE), mobile station (mobile Station, MS), terminal (terminal equipment), transfer point (transmission and receiver point, TRP transmission point, TP) etc..

(3) transmission configuration indicates TCI, can be there are many state, each TCI state can characterize the demodulation of PDSCH Reference signal (demodulation reference signal, DMRS) and at least one downlink reference signal meet space standard Co-located (quasi-colocation, QCL) relationship.The downlink reference signal, such as can be channel state information with reference to letter Number (channel state information reference signal, CSI-RS).It should be understood that when PDSCH DMRS with When downlink reference signal has QCL relationship, the transmitting-receiving wave of the transmitting-receiving wave beam and downlink reference signal of the wireless signal of PDSCH carrying Beam is identical on direction.For the network equipment, the directional beam used when sending downlink reference signal can be made The directional beam that uses can will receive descending reference for terminal device when wireless signal to send PDSCH carrying The directional beam used when the directional beam used when signal is as the wireless signal for receiving PDSCH carrying.For example, if TCI [00] DMRS and CSI-RS#1 of state representation PDSCH meets QCL relationship, then the transmitting-receiving wave of the wireless signal of PDSCH carrying The transmitting-receiving wave beam of beam and CSI-RS#1 are identical.So the QCL relationship based on each TCI state representation, terminal device can Which kind of it is inferred to reception wave beam to receive the wireless signal of PDSCH carrying using, the network equipment is also it can be inferred that using which kind of hair Wave beam is sent to send the wireless signal of PDSCH carrying.

4) term in the embodiment of the present application " system " and " network " can be used interchangeably；" multiple " refer to two or two More than, in consideration of it, " multiple " can also be interpreted as " at least two " in the embodiment of the present application；"and/or" describes affiliated partner Incidence relation, indicate may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and These three situations of B, individualism B；And unless indicated to the contrary, the embodiment of the present application refers to the sequences such as " first ", " second " Number is to be not used in the sequence for limiting multiple objects, timing, priority or important journey for distinguishing to multiple objects Degree.

It is to be appreciated that in the embodiment of the present application for ease of description, by the network equipment, this sends PDCCH carrying The duration being spaced between the wireless signal of DCI and PDSCH to be sent carrying is referred to as duration A, by this transmission of the network equipment Duration and terminal device this reception being spaced between the DCI of PDCCH carrying and the last DCI for sending PDCCH carrying The duration being spaced between the DCI of PDCCH carrying and the last DCI for receiving PDCCH carrying is referred to as duration B.It will be used to judge The preset value of the size of duration A is referred to as preset value A, and the preset value for being used to judge the size of duration B is referred to as preset value B.

Technical solution provided by the embodiments of the present application in order to better understand introduces answering for the embodiment of the present application first below Use scene.

Fig. 1 illustrates a kind of schematic diagram of possible network architecture provided by the embodiments of the present application, the network Framework is applicable to LTE system, is equally applicable to 5G NR system, with the differentiation of communication system, described in the embodiment of the present application The network architecture could be applicable to other similar communication system.It include the network equipment in the network architecture shown in FIG. 1 (for example, base Stand) and terminal device.Terminal device can be communicated with the network equipment, to be linked into wireless network or to pass through network Equipment and other terminal equipment in communication.Wherein, terminal device is referred to as uplink biography to the process of network equipment transmission wireless signal Defeated, the network equipment is referred to as downlink transfer to the process of terminal device transmission wireless signal.For downlink transfer, the network equipment can First to send descending scheduling instruction, descending scheduling instruction is used to indicate line number under terminal device receives on which resource location According to, and then the network equipment retransmits downlink data, terminal device can instruct indicated resource-niche in received descending scheduling Set reception downlink data.

In 5G NR system, the network equipment can send DCI by PDCCH to realize descending scheduling process, and then pass through PDSCH sends downlink data.Due in 5G NR system PDCCH carry wireless signal, PDSCH carrying wireless signal and Reference signal is all transmitted using directional beam, therefore the network equipment and terminal device are passing through PDCCH or PDSCH transmission When wireless signal, it is necessary first to determine the directional beam that transmission wireless signal uses.

When passing through PDSCH transmission wireless signal present application relates generally to the network equipment and terminal device, determine that transmission is wireless The process for the directional beam that signal uses.Specifically, the network equipment can by judge this send PDCCH carrying DCI with to Send whether the duration A being spaced between the wireless signal of PDSCH carrying is less than preset value A, to determine the nothing for sending PDSCH carrying The directional beam that line signal uses.Wherein, duration A is scheduling offset (scheduling offset) shown in Fig. 2.It is default Value A can demodulate according to terminal device the ability of the DCI of PDCCH carrying and be determined.

When duration A is greater than or equal to preset value A, it may be said that bright terminal device is in the wireless signal for receiving PDSCH carrying Before, the DCI that can have time enough to demodulate PDCCH carrying therefore can be used in this case with obtaining TCI state Following manner:

The TCI state indicated in the DCI that the network equipment can be carried according to PDCCH, determines and sends wireless communication by PDSCH Wave beam, the TCI state indicated in the DCI that terminal device can also be carried according to PDCCH are sent used by number, determination passes through PDSCH, which is received, receives wave beam used by wireless signal.

When duration A is less than preset value A, it may be said that bright terminal device, can before the wireless signal for receiving PDSCH carrying The DCI of PDCCH carrying can not can be demodulated in time to obtain TCI state, therefore in this case, the network equipment and terminal device Between can be sent and received wirelessly according to the preset rules made an appointment for determining TCI state, determination by PDSCH The wave beam used when signal.

Specifically, preset rules can be with are as follows: using control sets of resource units (control resource element Set, CORESET) in configure TCI state.

Specifically, the network equipment can configure a TCI state, terminal by the CORESET that high-level signaling is terminal device Equipment can determine that the DCI for receiving PDCCH carrying is adopted according to the TCI state configured in CORESET when monitoring CORESET Reception wave beam.Further, when duration A is less than preset value A, the network equipment can be according to the TCI configured in CORESET State determines the transmission wave beam used when sending the wireless signal of PDSCH carrying, and terminal device can also be according to CORESET The TCI state of middle configuration determines the reception wave beam used when receiving the wireless signal of PDSCH carrying.

But since the directional beam determined according to the TCI state configured in CORESET generally is broad beam, make With being usually unable to reach higher transmission rate when this broad beam, if therefore default always using configuring in CORESET TCI state, then the transmission rate of wireless signal may be subjected to limitation on PDSCH.

Specifically, preset rules can be with are as follows: pass through the preconfigured TCI state of high-level signaling using the network equipment.It is high Layer signaling is, for example, RRC signaling.Specifically, the network equipment can send RRC signaling to terminal device in advance, taken in the RRC signaling With preconfigured TCI state, when duration A is less than preset value A, the network equipment can according to preconfigured TCI state, Determine the transmission wave beam used when sending the wireless signal of PDSCH carrying, terminal device can also be according to preconfigured TCI State determines the reception wave beam used when receiving the wireless signal of PDSCH carrying.

But due to the network equipment by high-level signaling configure TCI state process be a relatively long-term process, because This network equipment in a longer period of time will not carry out more preconfigured TCI state after being pre-configured with a TCI state Change, can only fixedly use preconfigured TCI state.In this way, a fixed TCI state is used in a longer period of time, It may be difficult to adapt to actual channel variance situation, so that the transmission quality by PDSCH transmission wireless signal is poor.

Specifically, preset rules can be with are as follows: the TCI state indicated in the DCI carried using last time PDCCH.Specifically , when duration A is less than preset value A, the network equipment can be according to the TCI shape indicated in the last DCI for sending PDCCH carrying State determines and sends wave beam used by the wireless signal for sending PDSCH carrying, terminal device can also be received according to the last time The TCI state indicated in the DCI of PDCCH carrying determines and receives wave beam used by the wireless signal for receiving PDSCH carrying.

But between when the network equipment, this is sent between the DCI of PDCCH carrying and the last DCI for sending PDCCH carrying Every time longer situation under, since channel may have occurred apparent variation, if continuing to use last PDCCH carrying The TCI state indicated in DCI, it may be difficult to be adapted to current channel situation, lead to the biography by PDSCH transmission wireless signal Transmission quality is poor.

Can be seen that every kind of preset rules by the introduction to the above preset rules, all there is certain disadvantages when in use End, and when practical application, if the network equipment and terminal are made an appointment using a kind of preset rules, and fixedly default using this The TCI state that rule is determined realizes transmission to wireless signal on PDSCH, it is likely that so that on PDSCH wireless signal biography Defeated performance is poor.Based on this, the embodiment of the present application provides a kind of method and device by PDSCH transmission wireless signal, net The preset rules for determining TCI state can be neatly chosen between network equipment and terminal device, it can also be according to practical feelings Condition dynamically updates the preset rules of selection, and so as to preferably adapt to actual channel variance situation, promotion passes through Transmission quality when PDSCH transmission wireless signal.

In the following, the application scenarios of the embodiment of the present application in conjunction with above-mentioned introduction, to technical side provided by the embodiments of the present application Case is described in detail.

A kind of method by PDSCH transmission wireless signal shown in Figure 3, being provided for the embodiment of the present application one.It should The description process of method is as follows:

Step 301: the network equipment and terminal device are made an appointment by being used when PDSCH transmission wireless signal with confidence Breath, the configuration information includes preset value A, preset value B and the preset rules for determining TCI state.

Wherein, for determining that the preset rules of TCI state include: the indicated in the DCI carried using last time PDCCH One TCI state and the preassigned 2nd TCI state of use.The preassigned 2nd TCI state can be set to The TCI state configured in CORESET, or be set as the network equipment and pass through the preconfigured TCI state of high-level signaling.

Preset value A is the threshold value of duration A, can be used as and judges whether to indicate in the DCI using this PDCCH carrying TCI state condition.Specifically, the value of preset value A can be demodulated the ability of the DCI of PDCCH carrying by terminal device Lai really It is fixed, here, duration needed for preset value A can be understood as the DCI of terminal device demodulation PDCCH carrying.Be greater than as duration A or When equal to preset value A, it may be said that bright terminal device can have time enough before the wireless signal for receiving PDSCH carrying The DCI of this PDCCH carrying is demodulated to obtain TCI state, therefore the network equipment and terminal device can be held using this PDCCH The DCI of load；When duration A is less than preset value A, it may be said that bright terminal device, can before the wireless signal for receiving PDSCH carrying The DCI of this PDCCH carrying can not can be demodulated in time to obtain TCI state, therefore the network equipment and terminal device can be from pre- A kind of preset rules are selected in the preset rules for determining TCI state first appointed.

Preset value B is the threshold value of duration B, can be used as the DCI middle finger for judging whether can to carry using last time PDCCH The condition for the first TCI state shown.Preset value B is configurable to integer, and unit can be time slot (slot).For example, when described When preset value B is configured to 2, the duration of 2 slot can be represented.When duration B is greater than or equal to preset value B, i.e. the network equipment two When the interval of the secondary DCI for sending PDCCH carrying is longer, the channel state variations of terminal device may be more obvious, therefore uses upper The first TCI state indicated in the primary DCI for sending PDCCH carrying, possibly can not adapt to current channel status.Conversely, working as Duration B be less than preset value B when, i.e., the network equipment send twice PDCCH carrying DCI interval it is shorter when, the letter of terminal device Road state change may not be very big, therefore uses the first TCI state indicated in the last DCI for sending PDCCH carrying, It can well adapt to current channel status situation.

Specifically, the value of preset value B can be determined according to information such as the channel status of terminal device, such as according to letter The situation of change of road state updates preset value B at regular intervals.For example, the network equipment can be according to terminal device periodicity Channel state information (channel state information, the CSI) report reported, infers the channel status of terminal device Whether change, if the CSI variation that UE is reported in a period of time is unobvious, the network equipment can be configured preset value B to One biggish value is simultaneously indicated to terminal device, if the CSI variation that UE is reported in a period of time is more obvious, the network equipment can To configure a lesser value for preset value B and be indicated to terminal device.When practical application, in some extreme environments, such as In the case that UE channel state variations are violent, zero can be configured by preset value B, show that the DCI of last PDCCH carrying refers to The TCI state shown cannot function as the TCI state used when the wireless signal of this transmission PDSCH carrying.

Preset value A, preset value B and for determining TCI when it is implemented, the network equipment and terminal device are made an appointment The mode of the configuration informations such as the preset rules of state can there are many, for example, can by the network equipment by high-level signaling (such as RRC instruction) the instruction preset rules and preset value B for being used to determine TCI state, by terminal device according to own demodulation The ability of the DCI of PDCCH carrying determines preset value A, and is reported to the network equipment.For another example, can also be referred to by other equipment Show that the network equipment and terminal device pass through the configuration information, etc. that uses when PDSCH transmission wireless signal.

The network equipment and terminal device after appointing the configuration information by using when PDSCH transmission wireless signal, after It is continuous when if desired carrying out downlink data transmission, it can be based on having made an appointment by being used when PDSCH transmission wireless signal Configuration information determines which kind of mode to pass through PDSCH transmission wireless signal using.The embodiment of the present application relates generally to duration A and is less than Pass through the process of PDSCH transmission wireless signal in the case where preset value A.Wherein, step 302~step 305 is logical for the network equipment The process of PDSCH transmission wireless signal is crossed, step 306~step 311 is the mistake that terminal device passes through PDSCH transmission wireless signal Journey.Specifically, the network equipment can execute step 302~step 305, terminal device after the DCI for having sent PDCCH carrying Step 306~step 311 can be executed after the DCI for receiving PDCCH carrying.

Step 302: the network equipment determines that duration A is less than preset value A.

In this case, terminal device possibly can not demodulate this before the wireless signal for receiving PDSCH carrying in time The DCI of secondary PDCCH carrying is to obtain TCI state, therefore the network equipment can be from having made an appointment for determining TCI state A kind of preset rules are selected in preset rules.Any preset rules are specifically chosen, whether can be less than according to determining duration B pre- If value B is determined.

Step 303: the network equipment determines duration B.When duration B is less than preset value B, step 304 is executed；When duration B is big When preset value B, step 305 is executed.

Step 304: the network equipment is sent according to last the first TCI state for sending and indicating in the DCI that PDCCH is carried The wireless signal of PDSCH carrying.

Specifically, the first TCI state can characterize the DMRS of PDSCH and the first downlink reference signal meets QCL relationship.Net Network equipment can determine the transmission wave beam that the wireless signal for sending PDSCH carrying uses by the first TCI state to send under first The transmission wave beam that row reference signal uses, and then the network equipment can send PDSCH carrying using determining transmission wave beam Wireless signal.

Step 305: the network equipment sends the wireless signal of PDSCH carrying according to preassigned 2nd TCI state.

Specifically, the 2nd TCI state can characterize the DMRS of PDSCH and the second downlink reference signal meets QCL relationship.Net Network equipment can determine the transmission wave beam that the wireless signal for sending PDSCH carrying uses by the 2nd TCI state to send under second The transmission wave beam that row reference signal uses, and then the network equipment can send PDSCH carrying using determining transmission wave beam Wireless signal.

For terminal device, terminal device is after the DCI for receiving PDCCH carrying, the DCI of demodulation PDCCH carrying It needs to expend certain time, it is assumed here that terminal device a length of preset duration when demodulating needed for the DCI of PDCCH carrying, namely Above-mentioned preset value A, then whether transmitting wireless signal on PDSCH in preset duration in order to monitor, terminal device can To select a kind of preset rules from the preset rules for determining TCI state made an appointment with the network equipment, and according to choosing The preset rules selected monitor PDSCH.For details, reference can be made to step 306~steps 311.

Step 306: terminal device determines duration B.When duration B is less than preset value B, step 307 is executed；When duration B is big When preset value B, step 308 is executed.

Step 307: terminal device is according to last the first TCI state for receiving and indicating in the DCI that PDCCH is carried, pre- If monitoring the wireless signal of PDSCH carrying in duration.

Specifically, as described in above-mentioned steps 304, the first TCI the state representation DMRS of PDSCH and the first descending reference Signal meets QCL relationship, and terminal device can determine connecing for the wireless signal use for receiving PDSCH carrying by the first TCI state Receiving wave beam is the reception wave beam for receiving the first downlink reference signal and using, and then terminal device can be using determining reception wave beam To monitor the wireless signal of PDSCH carrying.

Step 308: terminal device monitors PDSCH carrying according to preassigned 2nd TCI state in preset duration Wireless signal.

About terminal device by the 2nd TCI state, determines and receive wave beam to receive the mistake of the wireless signal of PDSCH carrying Journey, reference can be made to the content that above-mentioned steps 307 are recorded, I will not elaborate.

Step 309: terminal device determines the wireless signal that PDSCH carrying whether has been listened in the preset duration.

If terminal device has listened to the wireless signal of PDSCH carrying in the preset duration, step is continued to execute 310；Conversely, thening follow the steps 311 if terminal device does not hear the wireless signal of PDSCH carrying in the preset duration.

Step 310: terminal device continues to receive PDSCH according to the first TCI state or the 2nd TCI state and hold The wireless signal of load.

Step 311: terminal device receives the TCI state indicated in the DCI that PDCCH is carried according to described this, receives The wireless signal of PDSCH carrying.

Specifically, due to including to be used to indicate terminal device to receive the wireless of PDSCH carrying in the DCI of PDCCH carrying The time-domain resource position of signal and it is used to indicate the received wave that uses when terminal device receives the wireless signal of PDSCH carrying The TCI state of beam, therefore terminal device, before the DCI for demodulating PDCCH carrying, when can not usually confirm can start The wireless signal of PDSCH carrying is received, and wave beam is received to receive the wireless signal of PDSCH carrying using which type of.Cause This, in the embodiment of the present application, during the DCI of terminal device demodulation PDCCH carrying, i.e., terminal device can in preset duration To monitor the wireless signal of PDSCH carrying by determining the first TCI state or the 2nd TCI state.And in terminal device solution After the DCI for recalling PDCCH carrying, if terminal device listens to the wireless signal of PDSCH carrying not yet, terminal device can be with The wireless signal of PDSCH carrying is further monitored using the TCI state that indicates in the DCI of PDCCH carrying.In terminal device After the DCI for demodulating PDCCH carrying, if terminal device is held according to the first TCI state or the 2nd TCI status monitoring to PDSCH The wireless signal of load, then terminal device can continue to use the first TCI state or the 2nd TCI shape without the switching of TCI state State.The TCI state used when in this way, can not only accurately determine out the wireless signal for receiving PDSCH carrying, additionally it is possible to The TCI state that the network equipment uses is synchronised.

Above-described embodiment one is illustrated in the following, enumerating a concrete scene.Assuming that duration A is less than preset value A, preset Value B value is 2 slot, and the first TCI state indicated in the DCI of last PDCCH carrying is TCI [00] and TCI [00] Associated downlink reference signal be CSI-RS#1, preassigned 2nd TCI state be TCI [01] and TCI [01] it is associated under Row reference signal is CSI-RS#2.In slot n, the network equipment sends the DCI that PDCCH is carried to terminal device.The network equipment is true Corresponding slot is slot m, m < n when the fixed last DCI for sending PDCCH carrying.Referring to shown in Fig. 4 a, if slot n with The slot number being spaced between slot m is less than 2, then the network equipment is sent using the transmission wave beam used when sending CSI-RS#1 The wireless signal of PDSCH carrying.Referring to shown in Fig. 4 b, if the slot number being spaced between slot n and slot m is equal to 2, network Equipment is using the wireless signal for sending wave beam and sending PDSCH carrying used when sending CSI-RS#2.Correspondingly, because duration A is small The time of the DCI of PDCCH carrying should be demodulated earlier than terminal device at the beginning of preset value A, PDSCH, so for For terminal device, when the slot number being spaced between slot n and slot m is less than 2, it can be adopted using when receiving CSI-RS#1 The wireless signal that wave beam monitors PDSCH carrying is received, conversely, using the reception wave beam prison used when receiving CSI-RS#2 The wireless signal for listening PDSCH to carry.Wherein, dash area shown in Fig. 4 a and Fig. 4 b is the corresponding time domain of PDSCH resource Position.

In above-described embodiment one, the network equipment and terminal device can according to transmitting the duration being spaced between PDCCH twice, I.e. whether duration B is less than preset value B, neatly to choose the preset rules for determining TCI state.PDCCH is being transmitted twice Between when being spaced smaller, the first TCI state indicated using last PDCCH, conversely, using preassigned 2nd TCI shape State can make the mode for choosing TCI state more flexible, and the TCI state chosen has preferable timeliness, and then is adopting It when transmitting the wireless signal on PDSCH, can preferably be promoted on PDSCH with the TCI state corresponding directional beam of selection The transmission performance of wireless signal.

A kind of method by PDSCH transmission wireless signal shown in Figure 5, being provided for the embodiment of the present application two.It should The description process of method is as follows:

Step 501: the network equipment and terminal device are made an appointment by being used when PDSCH transmission wireless signal with confidence Breath, the configuration information include preset value A, at least one preconfigured TCI state and at least one described TCI of update The mode of any one TCI state in state.

Wherein, the make an appointment mode of preset value A of the network equipment and terminal device can be found in description in embodiment one.It closes The side of any one TCI state at least one preconfigured TCI state and at least one described TCI state of update Formula can be indicated to terminal device by high-level signaling by the network equipment, specifically, high-level signaling can instruct for RRC.Certainly, When it is implemented, the network equipment and terminal device can also be indicated to by other equipment.

Specifically, each TCI state characterizes the DMRS of PDSCH respectively at least one preconfigured TCI state Meet QCL relationship with a downlink reference signal namely a downlink reference signal, net has been respectively associated in each TCI state Network equipment and terminal device can be based on each TCI state, determine the hair used when the wireless signal of transmission PDSCH carrying It send wave beam or receives wave beam.Also, the network equipment and terminal device can be to any one at least one described TCI state TCI state is updated, wherein being updated to TCI state, it can be understood as updates the descending reference letter of TCI state relation Number.For example, being updated to TCI [00], it can be understood as TCI [00] associated CSI-RS#1 is changed to CSI-RS#2.

In the embodiment of the present application, the mode for updating any one TCI state at least one described TCI state can be configured Implicitly to update or explicitly updating.Implicit update is measurement result of the terminal device based on downlink reference signal, selects one The preferable downlink reference signal of measurement result updates TCI state, and the network equipment can also be reported based on terminal device The measurement result of downlink reference signal selects the preferable downlink reference signal of measurement result to update TCI state, the two base It is identical come the mode for updating TCI state in the measurement result of downlink reference signal.Explicit update is the network equipment to TCI state After being updated, the update of TCI state is carried out by high-level signaling instruction terminal equipment.For example, the network equipment can pass through RRC Layer is updated TCI [00], and is updated by RRC signaling instruction terminal equipment to TCI [00].Wherein, above-mentioned implicit The mode of update, the network equipment and terminal device can update TCI state based on the measurement result to downlink reference signal, It is indicated without additional signaling, it is possible to reduce signaling overheads.The above-mentioned mode explicitly updated, the network equipment can be with instruction terminals The synchronous update for carrying out TCI state of equipment, can make the TCI state of the two last update be consistent, and be promoted reliable Property.

The network equipment and terminal device after appointing the configuration information by using when PDSCH transmission wireless signal, after It is continuous when if desired carrying out downlink data transmission, it can be based on having made an appointment by being used when PDSCH transmission wireless signal Configuration information determines which kind of mode to pass through PDSCH transmission wireless signal using.The embodiment of the present application relates generally to duration A and is less than Pass through the process of PDSCH transmission wireless signal in the case where preset value A.Wherein, step 502~step 503 is logical for the network equipment The process of PDSCH transmission wireless signal is crossed, step 504~step 507 is the mistake that terminal device passes through PDSCH transmission wireless signal Journey.Specifically, the network equipment can execute step 502~step 503, terminal device after the DCI for having sent PDCCH carrying Step 504~step 507 can be executed after the DCI for receiving PDCCH carrying.

Step 502: the network equipment determines that duration A is less than preset value A.

In this case, terminal device possibly can not demodulate this before the wireless signal for receiving PDSCH carrying in time The DCI of secondary PDCCH carrying is to obtain TCI state, therefore the network equipment may further determine that at least one preconfigured TCI Whether there is the TCI state of update in state, and chooses a TCI state from the TCI state of update.

Step 503: the network equipment according to the TCI state of last update at least one preconfigured TCI state, Send the wireless signal of PDSCH carrying.

Specifically, the network equipment can determine the wireless communication for sending PDSCH carrying according to the TCI state of last update Number transmission wave beam used is sends the transmission used when downlink reference signal associated with the TCI state of last update Wave beam, and then the network equipment can send the wireless signal of PDSCH carrying according to determining transmission wave beam.

For terminal device, terminal device is after the DCI for receiving PDCCH carrying, the DCI of demodulation PDCCH carrying It needs to expend certain time, it is assumed here that terminal device a length of preset duration when demodulating needed for the DCI of PDCCH carrying, namely Above-mentioned preset value A, then, in order to monitor whether transmit wireless signal on PDSCH, terminal device is also in preset duration A kind of TCI state can be selected from least one preconfigured TCI state to monitor PDSCH.For details, reference can be made to steps 504 ~step 507.

Step 504: terminal device according to the TCI state of last update at least one preconfigured TCI state, The wireless signal of PDSCH carrying is monitored in preset duration.

Specifically, terminal device can determine the wireless communication for receiving PDSCH carrying according to the TCI state of last update Number reception wave beam used is receives the reception used when downlink reference signal associated with the TCI state of last update Wave beam, and then terminal device can monitor the wireless signal of PDSCH carrying according to determining reception wave beam.

Step 505: terminal device determines the wireless signal that PDSCH carrying whether has been listened in the preset duration.

If terminal device has listened to the wireless signal of PDSCH carrying in the preset duration, step can be continued to execute Rapid 506.Conversely, can continue to hold if terminal device does not hear the wireless signal of PDSCH carrying in the preset duration Row step 507.

Step 506: terminal device continues the TCI state according to last update, receives the wireless communication of PDSCH carrying Number.

Step 507: terminal device receives the TCI state indicated in the DCI that PDCCH is carried according to this, receives PDSCH The wireless signal of carrying.

In the embodiment of the present application, during the DCI of terminal device demodulation PDCCH carrying, i.e. terminal in preset duration Equipment can monitor the wireless signal of PDSCH carrying by determining the TCI state of last update.And in terminal device After the DCI for demodulating PDCCH carrying, if terminal device listens to the wireless signal of PDSCH carrying not yet, terminal device can The wireless signal of PDSCH carrying is monitored with the TCI state indicated in the DCI further using PDCCH carrying.In terminal device After the DCI for demodulating PDCCH carrying, if what terminal device had been carried according to the TCI status monitoring of last update to PDSCH Wireless signal, then terminal device can continue to use the TCI state of last update without the switching of TCI state.This Sample, the TCI state used when can not only accurately determine out the wireless signal for receiving PDSCH carrying, additionally it is possible to be set with network The standby TCI state used is synchronised.

Above-described embodiment two is illustrated in the following, enumerating a concrete scene.Referring to shown in Fig. 6, it is assumed that the network equipment For at least one preconfigured TCI state of terminal device include TCI [01], TCI [02], TCI [03].In slot m1, The network equipment sends the DCI that PDCCH is carried to terminal device, carries out CSI-RS measurement with instruction terminal equipment.Wherein, in DCI Include TCI [01] and CSI-RS#2, CSI-RS#3 to be measured, it is assumed here that the current associated descending reference letter of TCI [01] Number be CSI-RS#1.Terminal device measures above-mentioned two CSI-RS resource, the main CQI and/or RSRP for measuring CSI-RS.If Terminal device determines the measurement result highest of CSI-RS#2, i.e. CQI and/or RSRP highest, then terminal device can tie up itself Associated CSI-RS#1 is updated to CSI-RS#2 in the TCI [01] of shield, and sends feedback information to the network equipment.Wherein, it feeds back CSI resource instruction (CSI resource indicator, CRI) and here CRI=2 are included at least in information, are used to indicate The measurement result highest of CSI-RS#2.In slot m2, the feedback information of network equipment receiving terminal apparatus, according to feedback letter CRI in breath determines the measurement result highest of CSI-RS#2, and is the preconfigured TCI of terminal device by self maintained [01] associated CSI-RS#1 is updated to CSI-RS#2 in.Thus the network equipment and terminal device can be based on the sides implicitly updated The synchronous update realized to preconfigured TCI state of formula.

Certainly, when practical application, the mode explicitly updated also can be used, it may be assumed that terminal device determines the measurement of CSI-RS#2 As a result after highest, first can send feedback information to the network equipment, feedback information includes CRI and CRI=2, the network equipment according to CRI after being updated to TCI [01], can be updated TCI [01] by high-level signaling instruction terminal equipment.Specifically, High-level signaling is, for example, RRC signaling and/or MAC signaling.Thus the network equipment and terminal device can be based on the sides explicitly updated The synchronous update realized to preconfigured TCI state of formula.

Further, it is assumed that in slot n1, the update to [01] TCI is completed in the network equipment and terminal device, i.e., this When TCI [01] be associated with CSI-RS#2 come into force.In slot n2, the network equipment sends the DCI of PDCCH carrying, and in determination It needs to send downlink data to terminal device by PDSCH, and the network equipment determines that duration A is less than after preset value A, according to TCI [01] associated CSI-RS#2 sends the wireless communication of PDSCH carrying using the transmission wave beam that CSI-RS#2 is used is sent Number.Correspondingly, terminal device receive PDCCH carrying DCI after, can also according to TCI [01] associated CSI-RS#2, The wireless signal of PDSCH carrying is monitored using the reception wave beam that CSI-RS#2 is used is received.Here, suppose that slot n1 with Do not occur the renewal process to any one TCI state in preconfigured TCI state between slot n2, i.e. TCI [01] is The TCI state of last update.The size relation of above-mentioned m1, m2, n1, n2 are m1 < m2 < n1 < n2.

Subsequent, during passing through PDSCH transmission wireless signal, the network equipment and terminal device can use TCI [01], it determines and sends wave beam or receive wave beam, until the update for occurring TCI state next time.Shadow part as shown in FIG. 6 Dividing is the corresponding time-domain position of PDSCH resource.It is to be appreciated that the update of TCI state is not necessarily directed to next time The update of TCI [01] can be the update for TCI state any at least one preconfigured TCI state.Such as it can be with Preconfigured TCI [01], TCI [02], updating occurs in TCI [02] in TCI [03], that is, can determine that TCI [02] is most The TCI state of a nearly update, and then can be according to TCI [02], to make when continuing and determining the wireless signal of transmission PDSCH carrying Transmission wave beam receives wave beam.

In above-described embodiment two, the network equipment and terminal device can be according at least one preconfigured TCI states The TCI state of last update, to transmit the wireless signal of PDSCH carrying.Due to general when carrying out the update of TCI state It is the measurement result based on downlink reference signal, therefrom chooses measurement result preferable downlink reference signal and update TCI state, Therefore the TCI state updated can well adapt to current channel status.It therefore, can using the TCI state of last update So that determining that the directional beam for the wireless signal being used for transmission on PDSCH is more excellent, wireless signal on PDSCH can also be promoted Transmission performance.

A kind of method by PDSCH transmission wireless signal shown in Figure 7, being provided for the embodiment of the present application three.It should The description process of method is as follows:

Step 701: the network equipment and terminal device are made an appointment by being used when PDSCH transmission wireless signal with confidence Breath, the configuration information include preset value A, preset rules set and select a kind of preset rules from preset rules set Mode.

Wherein, the make an appointment mode of preset value A of the network equipment and terminal device can be found in description in embodiment one.It closes Select a kind of mode of preset rules that can pass through height by the network equipment in preset rules set and from preset rules set Layer is indicated to terminal device, specifically, high-level signaling can instruct for RRC.It certainly, when it is implemented, can also be by it Its equipment is indicated to the network equipment and terminal device.

In the embodiment of the present application, preset rules set includes at least two preset rules, and every kind of preset rules are for determining TCI state.Specifically, can include but is not limited to following preset rules in preset rules set:

Preset rules 1: the first TCI state indicated in the DCI using last time PDCCH carrying.Wherein, network is set For standby, the first TCI state indicated in the DCI of last PDCCH carrying, the as PDCCH of network equipment last time transmission The first TCI state indicated in the DCI of carrying.For terminal device, indicated in the DCI of last PDCCH carrying the The first TCI state indicated in the DCI of the last received PDCCH carrying of one TCI state, as terminal device.

Preset rules 2: preassigned 2nd TCI state is used.

Preset rules 3: using the TCI state of last update at least one preconfigured TCI state.

Furthermore, it is contemplated that this DCI for sending PDCCH carrying of the network equipment sends the DCI of PDCCH carrying with the last time Between in the longer situation of interval time, since channel may have occurred apparent variation, if continuing to use last PDCCH The TCI state indicated in carrying DCI, it may be difficult to be adapted to current channel situation, therefore can also increase in the embodiment of the present application Add the condition for judging whether the first TCI state indicated in the DCI that can be carried using last time PDCCH.Such case Under, preset rules set can include but is not limited to following preset rules:

Preset rules 1: according to duration B, TCI state is determined, wherein when duration B is less than preset value B, using the last time The first TCI state that indicates in the DCI of PDCCH carrying, when duration B is greater than or equal to preset value B, using preassigned the Two TCI states.

Preset rules 2: using the TCI state of last update at least one preconfigured TCI state.

Wherein, it can be found in the description in above-described embodiment one and embodiment two about the specific descriptions of above-mentioned preset rules, Which is not described herein again.

In addition, the network equipment and terminal device can also make an appointment in preset rules set each preset rules it is excellent First grade.For example, being each default rule in preset rules set after the preset rules set can be created by the network equipment Priority is then set, and terminal device is indicated to by high-level signaling.Wherein, it is determined according to the preset rules of different priorities TCI state, transmission quality is different when the wireless signal of transmission PDSCH carrying.For example, can define higher according to priority Preset rules determined by TCI state, transmission PDSCH carrying wireless signal when wireless signal transmission rate it is higher, or Person can also define the TCI state according to determined by priority lower preset rules, the wireless signal of transmission PDSCH carrying When wireless signal robustness it is higher, etc..

In the embodiment of the present application, a kind of mode of preset rules is selected from preset rules set, can be divided into for the first time from Selected in preset rules set a kind of preset rules and it is non-selected from preset rules set for the first time a kind of preset rules this two Kind situation.It is described to select a kind of preset rules from preset rules for the first time, it can be understood as whithin a period of time for the first time from pre- If selecting a kind of preset rules in regular collection.For example, the network equipment passes through PDSCH to end in slot n~slot m End equipment has sent wireless signal three times, it is assumed that is the i.e. network in the case where duration A is greater than or equal to preset value A for the first time Equipment and terminal device can be used the TCI state indicated in the DCI that this PDCCH is carried and send wave beam and received wave to determine Beam, it is assumed that be in the case where duration A is less than preset value A, then second of network equipment and terminal device can be managed for the second time Solution is is to select a kind of preset rules from preset rules set for the first time, further, it is assumed that third time is also to be less than in duration A In the case where preset value A, then the third time network equipment and terminal device can be understood as right and wrong for the first time from preset rules set In select a kind of preset rules.

It wherein, can be using being pre-configured with for selecting the modes of preset rules a kind of from preset rules set for the first time Mode.Specifically, can be by the network equipment by the preparatory instruction terminal equipment of high-level signaling, alternatively, can also be set by network It is standby that terminal device is indicated to by dynamic signaling (such as DCI).Also, preconfigured preset rules can be to be specified using a certain The preset rules of kind default or the specified preset rules using some priority.Specifically used any preset rules can To determine according to actual needs.For example, it is higher use priority can be pre-configured with if higher to transmission rate request Preset rules.For another example, if it is higher to robustness requirement, the lower preset rules of use priority can be pre-configured with.

It, can be according to N before terminal device for a kind of non-mode for selecting preset rules from preset rules set for the first time Reception quality information when the secondary wireless signal for receiving PDSCH carrying, to select preset rules, N is the integer greater than zero.Because of end End equipment can to network equipment feedback reception PDSCH carry wireless signal when reception quality information, therefore the network equipment and Terminal device can the known reception quality information, and preset rules are selected based on the reception quality information.In this way, Every time when selecting preset rules, the transmission quality of the wireless signal of last transmission PDSCH carrying is all considered, can be made TCI state determined by the preset rules of selection can preferably meet current channel status situation.Certainly, it is embodied When, after preset rules can also being selected based on the reception quality information by the network equipment, pass through high-level signaling instruction terminal The preset rules of equipment selection, so that terminal device determines the preset rules used according to the instruction of the network equipment, to be promoted Reliability.

Also, the network equipment and terminal device be when based on the reception quality information to select preset rules, can also be with It makes an appointment according to the priority of each preset rules and selects preset rules.Specific implementation process will illustrate below Illustrate, wouldn't introduce here.

After the network equipment and terminal device appoint the configuration information by using when PDSCH transmission wireless signal, after It is continuous when if desired carrying out downlink data transmission, it can be based on having made an appointment by being used when PDSCH transmission wireless signal Configuration information determines which kind of mode to pass through PDSCH transmission wireless signal using.The embodiment of the present application relates generally to duration A and is less than Pass through the process of PDSCH transmission wireless signal in the case where preset value A.

Wherein, step 702~step 704 is the network equipment by the process of PDSCH transmission wireless signal, step 705~ Step 709 is the process that terminal device passes through PDSCH transmission wireless signal.Specifically, the network equipment can sent PDCCH carrying DCI after, execute step 702~step 704, terminal device can receive PDCCH carrying DCI after, Execute step 705~step 709.Wherein, step identical as above-described embodiment one and two in following steps, reference can be made to above-mentioned reality The associated description in example one and two is applied, is no longer discussed in detail here.

Step 702: the network equipment determines that duration A is less than preset value A.

Step 703: the network equipment selects a kind of preset rules from preset rules set.

As described in above-mentioned steps 701, the network equipment selects a kind of preset rules that can be divided into from preset rules set For the first time from selecting a kind of preset rules in preset rules set and non-select a kind of default rule from preset rules set for the first time Then both of these case.

If the network equipment is to select a kind of preset rules from preset rules set for the first time, then the network equipment can be from pre- If selecting preconfigured preset rules in regular collection.The preconfigured preset rules can be to be specified using a certain The preset rules of default or the specified preset rules using some priority.

If the network equipment selects a kind of preset rules to be non-from preset rules set for the first time, then the network equipment can root The reception quality information when wireless signal of PDSCH carrying is received according to n times before terminal device, selects one from preset rules set Kind preset rules, N are the integer greater than zero.

Wherein, reception quality information includes but is not limited to following several: terminal device receives the wireless signal of PDSCH carrying During the ACK and/or NACK that feed back；The RSRP or CQI of reference signal on the PDSCH of terminal device measurement.

Specifically, when the network equipment can be according to the wireless signal for the preceding n times reception PDSCH carrying that terminal device is fed back Reception quality information, it is determined whether meet the switching condition of preset rules.

Before terminal device n times receive PDSCH carrying wireless signal when reception quality information characterization the quality of reception compared with When poor, the network equipment can determine the switching condition for meeting preset rules, and then can be pre- except first from preset rules set If selecting a kind of preset rules in the second preset rules other than rule, wherein the first preset rules are last from default rule The preset rules then selected in set.

For example, the network equipment can detect the number for receiving ACK less than the first preset times or receive the secondary of NACK After number is greater than or equal to the second preset times, a kind of preset rules are selected from the second preset rules.

For another example, the network equipment can also the average value for detecting received RSRP less than the first default average value or After the average value of received CQI is less than the second default average value, a kind of preset rules are selected from the second preset rules.

For another example, the network equipment can also be greater than third detecting number of the received RSRP less than the first preset threshold When preset times or received CQI are greater than four preset times less than the number of the second preset threshold, from the second preset rules Select a kind of preset rules.

Wherein, above-mentioned first preset times, the second preset times, the first default average value, the second default average value, third Preset times, the 4th preset times can be what the network equipment had been made an appointment with terminal device.

Further, it when selecting preset rules, can be selected used pre- based on the priority of the second preset rules If regular.Such as, it is assumed that the lower preset rules of priority, the robust of wireless signal when transmitting the wireless signal of PDSCH carrying Property is higher, then can select the lower preset rules of priority from the second preset rules when the quality of reception is poor.

Before terminal device n times receive PDSCH carrying wireless signal when reception quality information characterization the quality of reception compared with When good, when illustrating using the last preset rules selected from preset rules set, terminal device receives the nothing of PDSCH carrying Quality of reception when line signal is preferable, therefore can continue to continue to use the last preset rules selected from preset rules set, i.e., Above-mentioned first preset rules, without switching preset rules.Certainly, when practical application, even if in the preferable situation of the quality of reception, It can also be according to actual needs, it is determined whether needs select other preset rules from preset rules set.

Step 704: network equipment TCI state according to determined by the preset rules selected sends the nothing of PDSCH carrying Line signal.

Because each preset rules can determine a kind of TCI state, so the network equipment can be based on selecting TCI state determined by preset rules determines the transmission wave beam used when sending the wireless signal of PDSCH carrying.Specific root According to TCI state, the process for sending the wireless signal of PDSCH carrying can be found in associated description in embodiment one and embodiment two.

For terminal device, terminal device is after the DCI for receiving PDCCH carrying, the DCI of demodulation PDCCH carrying It needs to expend certain time, it is assumed here that terminal device a length of preset duration when demodulating needed for the DCI of PDCCH carrying, namely Above-mentioned preset value A, then, in order to monitor whether transmit wireless signal on PDSCH, terminal device is also in preset duration A kind of preset rules can be selected from the preset rules set made an appointment with the network equipment, and according to the preset rules of selection To monitor PDSCH.For details, reference can be made to step 705~steps 709.

Step 705: terminal device selects a kind of preset rules from preset rules set.

Because terminal device and the network equipment select a kind of mode of preset rules from preset rules set to make an appointment Alright, therefore the specific implementation process of this step can be with reference to the description in above-mentioned steps 703.Although it is to be appreciated that network Equipment and terminal device are respectively as transmitting terminal and receiving end, it is understood that there may be opposite executes movement, but it is understood that the two Select the mode of preset rules can be cross-referenced.

Step 706: terminal device TCI state according to determined by the preset rules selected is monitored in preset duration The wireless signal of PDSCH carrying.

Step 707: terminal device determines the wireless signal that PDSCH carrying whether has been listened in the preset duration.

If the terminal device has listened to the wireless signal of PDSCH carrying in the preset duration, continue to execute Step 708.Conversely, continuing to hold if terminal device does not hear the wireless signal of PDSCH carrying in the preset duration Row step 709.

Step 708: terminal device continues the TCI state according to determined by selected preset rules, receives PDSCH The wireless signal of carrying.

Step 709: the TCI state indicated in the DCI that terminal device is carried according to this received PDCCH receives PDSCH The wireless signal of carrying.

Specifically, because each preset rules can determine a kind of TCI state, so terminal device can be based on choosing TCI state determined by the preset rules selected out determines the reception wave beam used when receiving the wireless signal of PDSCH carrying. With specific reference to TCI state, the process for receiving the wireless signal of PDSCH carrying can be found in that embodiment one is related in embodiment two to retouch It states.

Above-described embodiment three is illustrated in the following, enumerating concrete scene.Assuming that the network equipment appoints in advance with terminal device The priority of the preset rules and every kind of preset rules that include in the preset rules set set, as shown in table 1 below.

Table 1

Wherein, priority 1~3 is sequence from low to high.It is oriented using determined by the higher preset rules of priority Wave beam come transmit PDSCH carrying wireless signal when, receiving velocity it is higher but receive when robustness may be lower.On for example, The corresponding preset rules of priority 1 are stated, broad beam is generally using the directional beam that the TCI state configured in CORESET determines, Therefore has preferable robustness, it can be understood as transmission stability is higher.

Referring to Fig. 8 a, it is assumed that in slot m1, the network equipment by high-level signaling instruction terminal equipment use priority for 2 preset rules.The high-level signaling is, for example, that RRC reconfigures signaling.When practical application, the network equipment can also pass through dynamic Signaling (such as DCI) instruction terminal equipment uses the preset rules of priority 2.It is assumed that the preset rules of priority 2 indicated TCI state is TCI [01] and TCI [01] is associated with CSI-RS#2.

In slot m2, configuration is completed in the network equipment and terminal device, and the preset rules of confirmation priority 2 come into force.Its In, m1 > m2.In general, the configuration process that RRC reconfigures signaling is generally 10 slot, the configuration process one of dynamic signaling As be 1 slot.

After slot m2, the network equipment is if it is determined that duration A less than preset value A, then can be determined and be adopted according to TCI [01] The wireless signal of PDSCH carrying is sent with transmission wave beam when sending CSI-RS#2.Correspondingly, terminal device is receiving After the DCI of PDCCH carrying, it can also be determined according to TCI [01] and PDSCH is monitored using reception wave beam when receiving CSI-RS#2 The wireless signal of carrying.

Further, continue to use the example above, referring to Fig. 8 b, it is assumed that start in slot n1, the preset rules of priority 2 are raw Effect, i.e. TCI [01] come into force, and the network equipment sends the wireless communication of PDSCH carrying using transmission wave beam when sending CSI-RS#2 Number, correspondingly, terminal device is also using the wireless signal for receiving wave beam and monitoring PDSCH carrying when receiving CSI-RS#2.With this Meanwhile terminal device can be counted since slot n1, be received every time anti-to the network equipment when wireless signal of PDSCH carrying The number of the ACK or NACK of feedback.Correspondingly, network equipment ACK or NACK that also statistics available terminal device received every time is fed back Number.Wherein, dash area is the corresponding time-domain position of PDSCH resource in Fig. 8 a and 8b.

In slot n2, if terminal device detects that the NACK number fed back to the network equipment is greater than or equal to second in advance If number X, it is assumed here that X=3, then the preset rules of currently employed priority 2 are switched to the pre- of priority 1 by terminal device If regular.Meanwhile received NACK number also can be detected more than or equal to 3 in the network equipment, and then also will be currently employed excellent The preset rules of first grade 2 are switched to the preset rules of priority 1.It is assumed that the TCI shape that the preset rules of priority 1 indicate State is TCI [00] and TCI [00] is associated with CSI-RS#1.

It should be noted that there may be time delays when counting the number of NACK for the network equipment and terminal device, for example, if Slot n, terminal device have sent X time NACK, but in slot n1, n1 > n, the network equipment can just receive X time NACK, and NACK is counted on more than or equal to X times.Here in order to solve above-mentioned delay problem, terminal device can be according to mixing The sequential relationship of autonomous retransmission (hybrid automatic repeat request, HARQ) feedback, in triggering preset rules After switching condition, the preset rules that several slot are switched to priority 1 by the preset rules of priority 2 again are delayed.For example, when Divide in duplexing (frequency division duplex, FDD) system, it is general to pass through 4 after terminal device sends NACK After slot, the network equipment can just be responded, and therefore, terminal device can delay the switching that 4 slot carry out preset rules.Further After ground, the network equipment and terminal device complete the switching of preset rules, the number of the NACK of statistics is reset.What will be counted When NACK number clearing, terminal device can also delay several slot and execute clearing, synchronous with the network equipment to guarantee.

Subsequent, the network equipment is if it is determined that duration A less than preset value A, then can be determined according to TCI [00] using transmission Transmission wave beam when CSI-RS#1 sends the wireless signal of PDSCH carrying.Correspondingly, terminal device can also be according to TCI [00] it determines using the wireless signal for receiving wave beam and monitoring PDSCH carrying when receiving CSI-RS#1.

In above-described embodiment three, the network equipment and terminal device can make an appointment preset rules set, can be flexible Ground chooses a kind of preset rules from preset rules set and is used to determine TCI state, to pass according to determining TCI state When the wireless signal of defeated PDSCH carrying, current channel status can be preferably adapted to, so that transmission performance is more excellent.Also, It can also be according to the reception condition of the practical wireless signal for receiving PDSCH carrying of terminal device, selectively used in switching Preset rules, can be more in line with the reception demand of terminal device, and then reach better reception.

In the following, based on the same technical idea, communication device provided by the embodiments of the present application is introduced in conjunction with attached drawing.

The embodiment of the present application provides a kind of communication device, and described device has the net for realizing that above method embodiment one is related to The corresponding function of network equipment (for example, base station).The function can also be executed corresponding by hardware realization by hardware Software realization.The hardware or software include one or more modules corresponding with above-mentioned function.The module can be soft Part and/or hardware.

Fig. 9 shows a kind of structural schematic diagram of communication device 900 provided by the embodiments of the present application, wherein described device 900 include processor 901 and transceiver 902.Wherein, the processor 901 is configured as supporting in network equipment execution State function involved in embodiment of the method one.The transceiver 902 is configured as supporting the function of network equipment messaging.Institute Stating device 900 can also include memory 903, wherein processor 901, transceiver 902 are connected with memory 903, the memory 903 realize the necessary computer program instructions of the function of the network equipment involved in above method embodiment one for storing, The processor 901 is used to execute the computer program instructions of the memory 903 storage, complete to control 902 receiving and transmitting signal of transceiver The step of executing corresponding function at the network equipment in above method embodiment one.

Specifically, the processor 901, for determine the first duration less than the first preset value, described first when a length of institute Stating device 900, this sends the duration being spaced between the wireless signal that DCI that PDCCH is carried and PDSCH to be sent is carried；

The processor 901 is also used to determine the second duration, this transmission of a length of described device 900 of described second when The duration being spaced between the DCI of PDCCH carrying and the last DCI for sending PDCCH carrying；

The processor 901 is also used to when second duration is less than the second preset value, according to the last transmission The first TCI state indicated in the DCI of PDCCH carrying controls the wireless signal that the transceiver 902 sends PDSCH carrying；When When second duration is greater than or equal to second preset value, according to preassigned 2nd TCI state, the transmitting-receiving is controlled Device 902 sends the wireless signal of PDSCH carrying.

Wherein, specific steps performed by the processor 901 and transceiver 902 can be found in above method embodiment Associated description in the step of one network equipment is related to, I will not elaborate.

Above-mentioned apparatus 900 can also be realized that Figure 10 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 1000, the device 1000 include processing unit 1001 and Transmit-Receive Unit 1002.Wherein, it handles Unit 1001 corresponds to processor 901 described in above-mentioned apparatus 900, and Transmit-Receive Unit 1002 corresponds to institute in above-mentioned apparatus 900 The transceiver 902 stated can be respectively used to the corresponding function for the network equipment for realizing that above method embodiment one is related to, specific implementation Process can refer to the associated description in above method embodiment one and above-mentioned apparatus 900, and which is not described herein again.

The embodiment of the present application provides a kind of communication device, and described device has the end for realizing that above method embodiment one is related to The corresponding function of end equipment.The function can also execute corresponding software realization by hardware realization by hardware.Institute It states hardware or software includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

Figure 11 shows a kind of structural schematic diagram of communication device 1100 provided by the embodiments of the present application, wherein the dress Setting 1100 includes processor 1101 and transceiver 1102.Wherein, the processor 1101 is configured as supporting terminal device Execute function involved in above method embodiment one.The transceiver 1102 is configured as supporting terminal device messaging Function.Described device 1100 can also include memory 1103.Wherein, processor 1101, transceiver 1102 and memory 1103 Be connected, the memory 1103 be used for store realization above method embodiment one involved in terminal device function it is necessary based on Calculation machine program instruction, the processor 1101 are used to execute the computer program instructions of the memory 1103 storage, to control transmitting-receiving 1102 receiving and transmitting signal of device completes the step of terminal device executes corresponding function in above method embodiment one.

Specifically, the processor 1101, for determining the first duration, described first when a length of described device 1100 this Receive the duration being spaced between the DCI of PDCCH carrying and the last DCI for receiving PDCCH carrying；

The processor 1101 is also used to be connect when first duration is less than the first preset value according to the last time The first TCI state indicated in the DCI of PDCCH carrying is received, the transceiver 1102 is controlled and monitors PDSCH in preset duration The wireless signal of carrying；When first duration is greater than or equal to first preset value, according to preassigned 2nd TCI State controls the wireless signal that the transceiver 1102 monitors PDSCH carrying in the preset duration；Wherein, described default Shi Changwei described device 1100 demodulate PDCCH carrying DCI needed for duration, the preset duration, first preset value and For determining that the preset rules of TCI state are that described device 1100 and the network equipment have been made an appointment；It is described to be used to determine TCI The preset rules of state include using the first TCI state indicated in the last DCI for receiving PDCCH carrying and using pre- First the 2nd specified TCI state.

Wherein, specific steps performed by the processor 1101 and transceiver 1102 can be found in above method implementation Associated description in the step of one terminal device of example is related to, I will not elaborate.

Above-mentioned apparatus 1100 can also be realized that Figure 12 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 1200, the device 1200 include processing unit 1201 and Transmit-Receive Unit 1202.Wherein, it handles Unit 1201 corresponds to processor 1101 described in above-mentioned apparatus 1100, and Transmit-Receive Unit 1202 corresponds to above-mentioned apparatus 1100 Described in transceiver 1102, can be respectively used to realize the corresponding function of terminal device that above method embodiment one is related to, tool Body realizes that process can refer to the associated description in above method embodiment one and above-mentioned apparatus 1100, and which is not described herein again.

The embodiment of the present application provides a kind of communication device, and described device has the net for realizing that above method embodiment two is related to The corresponding function of network equipment (for example, base station).The function can also be executed corresponding by hardware realization by hardware Software realization.The hardware or software include one or more modules corresponding with above-mentioned function.The module can be soft Part and/or hardware.

Figure 13 shows a kind of structural schematic diagram of communication device 1300 provided by the embodiments of the present application, wherein the dress Setting 1300 includes processor 1301 and transceiver 1302.Wherein, the processor 1301 is configured as supporting the network equipment Execute function involved in above method embodiment two.The transceiver 1302 is configured as supporting network equipment messaging Function.Described device 1300 can also include memory 1303, wherein processor 1301, transceiver 1302 and memory 1303 Be connected, the memory 1303 be used for store realization above method embodiment two involved in the network equipment function it is necessary based on Calculation machine program instruction, the processor 1301 are used to execute the computer program instructions of the memory 1303 storage, to control transmitting-receiving 1302 receiving and transmitting signal of device completes the step of network equipment executes corresponding function in above method embodiment two.

Specifically, the processor 1301, for determine the first duration less than the first preset value, described first when a length of institute Stating device 1300, this sends the duration being spaced between the wireless signal that DCI that PDCCH is carried and PDSCH to be sent is carried；

The processor 1301 is also used to be indicated in TCI state recently according at least one preconfigured transmission configuration The TCI state once updated controls the wireless signal that the transceiver 1302 sends PDSCH carrying.

Wherein, specific steps performed by the processor 1301 and transceiver 1302 can be found in above method implementation Associated description in the step of two network equipment of example is related to, I will not elaborate.

Above-mentioned apparatus 1300 can also be realized that Figure 14 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 1400, the device 1400 include processing unit 1401 and Transmit-Receive Unit 1402.Wherein, it handles Unit 1401 corresponds to processor 1301 described in above-mentioned apparatus 1300, and Transmit-Receive Unit 1402 corresponds to above-mentioned apparatus 1300 Described in transceiver 1302, can be respectively used to realize the corresponding function of the network equipment that above method embodiment two is related to, tool Body realizes that process can refer to the associated description in above method embodiment two and above-mentioned apparatus 1300, and which is not described herein again.

The embodiment of the present application provides a kind of communication device, and described device has the end for realizing that above method embodiment two is related to The corresponding function of end equipment.The function can also execute corresponding software realization by hardware realization by hardware.Institute It states hardware or software includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

Figure 15 shows a kind of structural schematic diagram of communication device 1500 provided by the embodiments of the present application, wherein the dress Setting 1500 includes processor 1501 and transceiver 1502.Wherein, the processor 1501 is configured as supporting terminal device Execute function involved in above method embodiment two.The transceiver 1502 is configured as supporting terminal device messaging Function.Described device 1500 can also include memory 1503.Wherein, processor 1501, transceiver 1502 and memory 1503 Be connected, the memory 1503 be used for store realization above method embodiment two involved in terminal device function it is necessary based on Calculation machine program instruction, the processor 1501 are used to execute the computer program instructions of the memory 1503 storage, to control transmitting-receiving 1502 receiving and transmitting signal of device completes the step of terminal device executes corresponding function in above method embodiment two.

Specifically, the processor 1501, for according to last update at least one preconfigured TCI state TCI state, control the transceiver 1502 monitored in preset duration PDSCH carrying wireless signal；Wherein, described pre- If when a length of described device 1500 demodulate the DCI of PDCCH carrying needed for duration；The preset duration, at least one described TCI shape State and described device update the mode of any one TCI state at least one described TCI state be described device 1500 with What the network equipment had been made an appointment.

Wherein, specific steps performed by the processor 1501 and transceiver 1502 can be found in above method implementation Associated description in the step of two terminal device of example is related to, I will not elaborate.

Above-mentioned apparatus 1500 can also be realized that Figure 16 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 1600, the device 1600 include processing unit 1601 and Transmit-Receive Unit 1602.Wherein, it handles Unit 1601 corresponds to processor 1501 described in above-mentioned apparatus 1500, and Transmit-Receive Unit 1602 corresponds to above-mentioned apparatus 1500 Described in transceiver 1502, can be respectively used to realize the corresponding function of terminal device that above method embodiment two is related to, tool Body realizes that process can refer to the associated description in above method embodiment two and above-mentioned apparatus 1500, and which is not described herein again.

The embodiment of the present application provides a kind of communication device, and described device has the net for realizing that above method embodiment three is related to The corresponding function of network equipment (for example, base station).The function can also be executed corresponding by hardware realization by hardware Software realization.The hardware or software include one or more modules corresponding with above-mentioned function.The module can be soft Part and/or hardware.

Figure 17 shows a kind of structural schematic diagrams of communication device 1700 provided by the embodiments of the present application, wherein the dress Setting 1700 includes processor 1701 and transceiver 1702.Wherein, the processor 1701 is configured as supporting the network equipment Execute function involved in above method embodiment three.The transceiver 1702 is configured as supporting network equipment messaging Function.Described device 1700 can also include memory 1703, wherein processor 1701, transceiver 1702 and memory 1703 Be connected, the memory 1703 be used for store realization above method embodiment three involved in the network equipment function it is necessary based on Calculation machine program instruction, the processor 1701 are used to execute the computer program instructions of the memory 1703 storage, to control transmitting-receiving 1702 receiving and transmitting signal of device completes the step of network equipment executes corresponding function in above method embodiment three.

Specifically, the processor 1701, for determine the first duration less than the first preset value, described first when a length of institute Stating device 1700, this sends the duration being spaced between the wireless signal that DCI that PDCCH is carried and PDSCH to be sent is carried；

The processor 1701 is also used to select a kind of preset rules from preset rules set；The preset rules collection Closing includes at least two preset rules, and every kind of preset rules are for determining that transmission configuration indicates TCI state；

The processor 1701, is also used to the TCI state according to determined by the preset rules selected, and controls the transmitting-receiving Device 1702 sends the wireless signal of PDSCH carrying.

Wherein, specific steps performed by the processor 1701 and transceiver 1702 can be found in above method implementation Associated description in the step of three network equipment of example is related to, I will not elaborate.

Above-mentioned apparatus 1700 can also be realized that Figure 18 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 1800, the device 1800 include processing unit 1801 and Transmit-Receive Unit 1802.Wherein, it handles Unit 1801 corresponds to processor 1701 described in above-mentioned apparatus 1700, and Transmit-Receive Unit 1802 corresponds to above-mentioned apparatus 1700 Described in transceiver 1702, can be respectively used to realize the corresponding function of the network equipment that above method embodiment three is related to, tool Body realizes that process can refer to the associated description in above method embodiment three and above-mentioned apparatus 1700, and which is not described herein again.

The embodiment of the present application provides a kind of communication device, and described device has the end for realizing that above method embodiment three is related to The corresponding function of end equipment.The function can also execute corresponding software realization by hardware realization by hardware.Institute It states hardware or software includes one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.

Figure 19 shows a kind of structural schematic diagram of communication device 1900 provided by the embodiments of the present application, wherein the dress Setting 1900 includes processor 1901 and transceiver 1902.Wherein, the processor 1901 is configured as supporting terminal device Execute function involved in above method embodiment three.The transceiver 1902 is configured as supporting terminal device messaging Function.Described device 1900 can also include memory 1903.Wherein, processor 1901, transceiver 1902 and memory 1903 Be connected, the memory 1903 be used for store realization above method embodiment three involved in terminal device function it is necessary based on Calculation machine program instruction, the processor 1901 are used to execute the computer program instructions of the memory 1903 storage, to control transmitting-receiving 1902 receiving and transmitting signal of device completes the step of terminal device executes corresponding function in above method embodiment three.

Specifically, the processor 1901, for selecting a kind of preset rules from preset rules set；The default rule Then set includes at least two preset rules, and every kind of preset rules are for determining TCI state；

The processor 1901, is also used to the TCI state according to determined by the preset rules selected, and controls the transmitting-receiving Device 1902 monitors the wireless signal of PDSCH carrying in preset duration；

Wherein, the preset duration is duration needed for described device 1900 demodulates the DCI of PDCCH carrying；When described default Long, the described preset rules set and select a kind of mode of preset rules for described device 1900 from preset rules set It has made an appointment with the network equipment.

Above-mentioned apparatus 1900 can also be realized that Figure 20 shows provided by the embodiments of the present application a kind of logical by logic unit The structural schematic diagram of T unit 2000, the device 2000 include processing unit 2001 and Transmit-Receive Unit 2002.Wherein, it handles Unit 2001 corresponds to processor 1901 described in above-mentioned apparatus 1900, and Transmit-Receive Unit 2002 corresponds to above-mentioned apparatus 1900 Described in transceiver 1902, can be respectively used to realize the corresponding function of terminal device that above method embodiment three is related to, tool Body realizes that process can refer to the associated description in above method embodiment three and above-mentioned apparatus 1900, and which is not described herein again.

The embodiment of the present application provides a kind of communication system, the network equipment that is related to including above method embodiment one and extremely The terminal device that a few above method embodiment one is related to；Alternatively, include above method embodiment two be related to the network equipment, The terminal device being related to at least one above method embodiment two；Alternatively, including the network that above method embodiment three is related to The terminal device that equipment and at least one above method embodiment three are related to.

The application also provides a kind of chip, and the chip can be connected with memory, for reading and executing the storage The program code stored in device, to realize in above method embodiment one method involved in the network equipment or terminal device, or Person, method involved in the network equipment or terminal device in above method embodiment two, alternatively, net in above method embodiment three Method involved in network equipment or terminal device.

The application also provides a kind of computer storage medium, for storing program or instruction, when described program or instruction exist When running on computer, method involved in the network equipment or terminal device can be completed in above method embodiment one, alternatively, Method involved in the network equipment or terminal device in above method embodiment two, alternatively, network in above method embodiment three Method involved in equipment or terminal device.

It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.

The application be referring to according to the present processes, equipment (system) and computer program product flow chart and/or Block diagram describes.It should be understood that each process that can be realized by computer program instructions in flowchart and/or the block diagram and/ Or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer program instructions To general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one A machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.

Claims

1. a kind of communication device characterized by comprising processor and transceiver；

The processor, for determine the first duration less than the first preset value, a length of this transmission of described device of described first when The Downlink Control Information DCI of downlink physical control channel PDCCH carrying and downlink physical to be sent share channel PDSCH carrying The duration being spaced between wireless signal；

The processor, is also used to determine the second duration, described second when a length of described device this send PDCCH carrying The duration being spaced between DCI and the last DCI for sending PDCCH carrying；

The processor is also used to when second duration is less than the second preset value, is held according to the last PDCCH that sends The the first transmission configuration instruction TCI state indicated in the DCI of load, controls the wireless signal that the transceiver sends PDSCH carrying； When second duration is greater than or equal to second preset value, according to preassigned 2nd TCI state, the receipts are controlled Send out the wireless signal that device sends PDSCH carrying.

2. a kind of communication device characterized by comprising processor and transceiver；

The processor, for determining the first duration, described first when a length of described device this receive downlink physical control letter The duration being spaced between the Downlink Control Information DCI of road PDCCH carrying and the last DCI for receiving PDCCH carrying；

The processor is also used to when first duration is less than the first preset value, is held according to the last PDCCH that receives The the first transmission configuration instruction TCI state indicated in the DCI of load, controls the transceiver and monitors PDSCH in preset duration and hold The wireless signal of load；When first duration is greater than or equal to first preset value, according to preassigned 2nd TCI shape State controls the wireless signal that the transceiver monitors PDSCH carrying in the preset duration；

Wherein, the preset duration is duration needed for described device demodulates the DCI of PDCCH carrying, the preset duration, described the One preset value and preset rules for determining TCI state are that described device and the network equipment have been made an appointment；The use In determine the preset rules of TCI state include use the first TCI state indicated in the last DCI for receiving PDCCH carrying, with And use preassigned 2nd TCI state.

3. device as claimed in claim 2, which is characterized in that the processor is also used to:

Determine whether the transceiver has listened to the wireless signal of PDSCH carrying in the preset duration；

If the transceiver has listened to the wireless signal of PDSCH carrying in the preset duration, the processor continues According to the first TCI state or the 2nd TCI state, the wireless signal that the transceiver receives PDSCH carrying is controlled；

If the transceiver do not heard in the preset duration PDSCH carrying wireless signal, the processor according to Described this receives the TCI state indicated in the DCI that PDCCH is carried, controls the wireless communication that the transceiver receives PDSCH carrying Number.

4. a kind of communication device characterized by comprising processor and transceiver；

The processor is also used to indicate last update in TCI state according at least one preconfigured transmission configuration TCI state, control the wireless signal that the transceiver sends PDSCH carrying.

5. device as claimed in claim 4, which is characterized in that the processor is determining that the first duration is default less than first Before value, it is also used to:

TCI state to be updated at least one preconfigured TCI state is updated, and controls the transceiver instruction terminal and sets It is standby to update the TCI state to be updated.

6. a kind of communication device characterized by comprising processor and transceiver；

The processor, for indicating last update in TCI state according at least one preconfigured transmission configuration TCI state controls the transceiver and monitors the wireless signal that downlink physical shares channel PDSCH carrying in preset duration；

Wherein, the preset duration is the Downlink Control Information DCI that described device demodulates downlink physical control channel PDCCH carrying Required duration；The preset duration, at least one described TCI state and described device update at least one described TCI state In the mode of any one TCI state be what described device and the network equipment had been made an appointment.

7. device as claimed in claim 6, which is characterized in that the processor is also used to:

If the transceiver has listened to the wireless signal of PDSCH carrying in the preset duration, the processor continues According to the TCI state of the last update, the wireless signal that the transceiver receives PDSCH carrying is controlled；

If the transceiver do not heard in the preset duration PDSCH carrying wireless signal, the processor according to The TCI state indicated in the DCI of this received PDCCH carrying, controls the wireless communication that the transceiver receives PDSCH carrying Number.

8. a kind of communication device characterized by comprising processor and transceiver；

The processor is also used to select a kind of preset rules from preset rules set；The preset rules set includes extremely Few two kinds of preset rules, every kind of preset rules are for determining that transmission configuration indicates TCI state；

The processor is also used to the TCI state according to determined by the preset rules selected, and controls the transceiver and sends The wireless signal of PDSCH carrying.

9. device as claimed in claim 8, which is characterized in that the preset rules set includes following at least two default rule Then:

Using the first TCI state indicated in the last DCI for sending PDCCH carrying；

Using preassigned 2nd TCI state；

Using the TCI state of last update at least one preconfigured TCI state.

10. the device as described in claim 8~9 is any, which is characterized in that the processor, from preset rules set Before selecting a kind of preset rules, it is also used to:

Creation includes the preset rules set of at least two preset rules；

It controls the transceiver and sends instruction message to the terminal device, it includes at least two that the instruction message, which includes described, The preset rules set of preset rules and the mode that a preset rules are selected from the preset rules set.

11. the device as described in claim 8~9 is any, which is characterized in that the processor, from preset rules set When selecting a kind of preset rules, it is specifically used for:

The reception quality information when wireless signal of PDSCH carrying is received according to the preceding n times of terminal device feedback, from default A kind of preset rules are selected in regular collection, N is the integer greater than zero.

12. the device as described in claim 8~10 is any, which is characterized in that the processor, from preset rules set When selecting a kind of preset rules, it is specifically used for:

Preconfigured preset rules are selected from preset rules set.

13. device as claimed in claim 11, which is characterized in that the reception quality information comprises at least one of the following:

The terminal device feeds back to read really during receiving the wireless signal that PDSCH is carried accords with ACK and/or non-acknowledgement word Accord with NACK；

The Reference Signal Received Power RSRP of reference signal on the PDSCH of the terminal device measurement or channel quality instruction CQI。

14. device as claimed in claim 13, which is characterized in that the processor, in the preceding n times fed back according to terminal device Receive the reception quality information when wireless signal of PDSCH carrying, when selecting a kind of preset rules from preset rules set, tool Body is used for:

The reception quality information when wireless signal of PDSCH carrying is received according to the preceding n times of terminal device feedback, is determined full The switching condition of sufficient preset rules；

A kind of preset rules, institute are selected from the second preset rules in the preset rules set in addition to the first preset rules Stating the first preset rules is the last preset rules selected from the preset rules set；

Wherein, the switching condition of the preset rules be it is following any one:

The number of the ACK is less than the first preset times；

The number of the NACK is greater than or equal to the second preset times；

The average value of the RSRP is less than the first default average value；

The average value of the CQI is less than the second default average value；

The RSRP is greater than third preset times less than the number of the first preset threshold；

The CQI is greater than the 4th preset times less than the number of the second preset threshold.

15. a kind of communication device characterized by comprising processor and transceiver；

The processor, for selecting a kind of preset rules from preset rules set；The preset rules set includes at least Two kinds of preset rules, every kind of preset rules are for determining that transmission configuration indicates TCI state；

The processor is also used to the TCI state according to determined by the preset rules selected, and controls the transceiver default The wireless signal that downlink physical shares channel PDSCH carrying is monitored in duration；

Wherein, the preset duration is the Downlink Control Information DCI that described device demodulates downlink physical control channel PDCCH carrying Required duration；The preset duration, the preset rules set and a kind of preset rules are selected from preset rules set Mode is that described device and the network equipment have been made an appointment.

16. device as claimed in claim 15, which is characterized in that the preset rules set includes following at least two default Rule:

Using the first TCI state indicated in the last DCI for receiving PDCCH carrying；

Using preassigned 2nd TCI state；

Using the TCI state of last update at least one preconfigured TCI state.

17. the device as described in claim 15~16 is any, which is characterized in that the processor, from preset rules set In when selecting a kind of preset rules, be specifically used for:

The reception quality information when wireless signal of PDSCH carrying is received according to preceding n times, selects one kind from preset rules set Preset rules, N are the integer greater than zero.

18. the device as described in claim 15~16 is any, which is characterized in that the processor, from preset rules set In when selecting a kind of preset rules, be specifically used for:

Select preconfigured preset rules from preset rules set, the preconfigured preset rules be described device with What the network equipment had been made an appointment.

19. device as claimed in claim 17, which is characterized in that the reception quality information comprises at least one of the following:

The correct response instruction ACK and/or wrong responses that described device is fed back during receiving the wireless signal that PDSCH is carried Command N ACK；

The Reference Signal Received Power RSRP or channel quality indicator (CQI) of reference signal on the PDSCH of described device measurement.

20. device as claimed in claim 19, which is characterized in that the processor is receiving PDSCH carrying according to preceding n times Wireless signal when reception quality information be specifically used for when selecting a kind of preset rules from preset rules set:

The reception quality information when wireless signal of PDSCH carrying is received according to preceding n times, determines the switching item for meeting preset rules Part；

The number of the ACK is less than the first preset times；

The number of the NACK is greater than or equal to the second preset times；

The average value of the RSRP is less than the first default average value；

The average value of the CQI is less than the second default average value；