CN111769924A - Signal transmission method, device and equipment - Google Patents

Signal transmission method, device and equipment Download PDF

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Publication number
CN111769924A
CN111769924A CN201910330382.7A CN201910330382A CN111769924A CN 111769924 A CN111769924 A CN 111769924A CN 201910330382 A CN201910330382 A CN 201910330382A CN 111769924 A CN111769924 A CN 111769924A
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CN
China
Prior art keywords
transmission
beams
different
energy
saving signal
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Granted
Application number
CN201910330382.7A
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Chinese (zh)
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CN111769924B (en
Inventor
王加庆
郑方政
高秋彬
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Datang Mobile Communications Equipment Co Ltd
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Telecommunications Science and Technology Research Institute Co Ltd
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Publication date
Application filed by Telecommunications Science and Technology Research Institute Co Ltd filed Critical Telecommunications Science and Technology Research Institute Co Ltd
Priority to CN202310930155.4A priority Critical patent/CN116846528A/en
Priority to KR1020217033624A priority patent/KR20210138089A/en
Priority to US17/600,570 priority patent/US20220174604A1/en
Priority to EP20783757.6A priority patent/EP3952477A4/en
Priority to PCT/CN2020/081072 priority patent/WO2020200004A1/en
Priority to TW109110472A priority patent/TWI809261B/en
Publication of CN111769924A publication Critical patent/CN111769924A/en
Application granted granted Critical
Publication of CN111769924B publication Critical patent/CN111769924B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Studio Devices (AREA)
  • Traffic Control Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention provides a signal transmission method, a signal transmission device and signal transmission equipment, and solves the problem of how to transmit energy-saving signals based on wave beams. The signal transmission method of the invention comprises the following steps: configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal; transmitting the power saving signal on the at least one transmit beam. The invention can realize the transmission of the energy-saving signal based on the wave beam, ensure that the subsequent terminal can execute the corresponding event according to the indication of the received energy-saving signal and achieve the aim of saving the electric quantity of the terminal.

Description

Signal transmission method, device and equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a signal transmission method, apparatus, and device.
Background
In high frequency band communication, in order to meet the requirement of coverage or throughput, currently, a terminal performs beam scanning based on an SSB (Synchronization Signal Block), after determining a received beam, the terminal implicitly reports selected beam information to a base station through a Preamble sequence carried by a PRACH (Physical Random Access Channel), and the base station transmits necessary configuration information to the terminal on the beam reported by the terminal.
If the power saving signal is transmitted in a high frequency band, the power saving signal also faces the problem of multi-beam transmission. The PDCCH (Physical Downlink Control Channel) or PDSCH (Physical Downlink Shared Channel) for data scheduling is different in that PDCCH/PDSCH can be transmitted multiple times, and there are beam management and beam recovery mechanisms in the process, and a transmission beam for a power saving signal may change with the movement of the UE, but there is no beam recovery mechanism, so there is no solution at present how to transmit the power saving signal based on the beam.
Disclosure of Invention
The invention aims to provide a signal transmission method, a signal transmission device and signal transmission equipment, which are used for solving the problem of how to transmit energy-saving signals based on beams.
In order to achieve the above object, an embodiment of the present invention provides a signal transmission method, applied to a network device, including:
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
Wherein configuring at least one transmit beam comprises:
one transmission beam is configured through high layer signaling or physical layer signaling.
Wherein configuring at least one transmit beam comprises:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
Wherein configuring at least one transmit beam comprises:
configuring at least two transmission resources, wherein the transmission resources are resources corresponding to the energy-saving signals;
at least one transmission beam is configured for each of the transmission resources.
Wherein configuring at least two transmission resources comprises:
at least two transmission resources are configured through higher layer signaling.
The energy-saving signal is based on a physical downlink control channel; the method further comprises the following steps:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Wherein the different transmission beams correspond to different reference signals and comprise one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
Wherein transmitting the energy-saving signal on the at least one transmission beam comprises:
selecting a target transmit beam from the at least one transmit beam;
transmitting the power saving signal on the target transmission beam.
Wherein transmitting the energy-saving signal on the at least one transmission beam comprises:
transmitting the energy saving signal through the same transmission beam of the at least two transmission beams on at least two first time units;
alternatively, the first and second electrodes may be,
and on at least two first time units, the energy-saving signals are respectively transmitted through different transmission beams of the at least two transmission beams, and the different first time units correspond to different transmission beams.
Wherein the method further comprises:
at least two second time units are configured, and different second time units correspond to different transmission resources.
Wherein configuring at least two second time units comprises:
at least two second time units are configured through high layer signaling, physical layer signaling or pre-convention.
Wherein transmitting the energy-saving signal on the at least one transmission beam comprises:
and transmitting the energy-saving signal through at least one transmission beam corresponding to the transmission resource on at least two second time units and on the transmission resource corresponding to each of the at least two second time units.
Wherein, still include:
the terminal is configured with a priori information for the terminal to detect the transmit beam over a time unit, the time unit including a first time unit or a second time unit.
The configuring, for a terminal, prior information used for the terminal to detect a transmission beam in a time unit includes:
and configuring prior information used for detecting the sending beam on the time unit for the terminal through high-layer signaling, physical layer signaling or pre-convention.
In order to achieve the above object, an embodiment of the present invention further provides a signal transmission method, applied to a terminal, including:
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
Wherein the transmit beam comprises one transmit beam;
receiving a power-saving signal transmitted by a network device on at least one transmission beam, comprising:
and receiving the energy-saving signal transmitted on the transmission beam by the network equipment on a receiving beam corresponding to the transmission beam.
The transmission beams comprise at least two transmission beams, and the at least two transmission beams correspond to the same energy-saving signal;
after receiving the energy-saving signal transmitted by the network device on at least one transmission beam, the method further includes:
a selected target transmit beam of the at least two transmit beams is determined by the network device.
Wherein determining a selected target transmission beam of the at least two transmission beams by the network device comprises:
detecting reference signals corresponding to the transmission beams, wherein different transmission beams correspond to different reference signals;
and if the reference signal is detected, determining that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network equipment in the at least two transmission beams.
Wherein, the receiving the energy-saving signal transmitted by the network device on at least one transmission beam comprises:
and receiving the energy-saving signals transmitted on the corresponding transmitting beams through at least two receiving beams respectively in the same first time unit.
Wherein, the receiving the energy-saving signal transmitted by the network device on at least one transmission beam comprises:
receiving energy-saving signals sent by the at least two sending wave beams on at least two first time units respectively, wherein different first time units correspond to different sending wave beams;
determining a selected target transmit beam of the at least two transmit beams by the network device, comprising:
performing signal detection on the at least two transmitting beams based on a predetermined mode, a base station configuration mode or a random selection mode;
and if the energy-saving signal is detected, determining that the transmitting beam corresponding to the energy-saving signal is a target transmitting beam selected by the network equipment in the at least two transmitting beams.
Wherein, the receiving the energy-saving signal transmitted by the network device on at least one transmission beam comprises:
and receiving, on at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
Wherein, after determining that the transmission beam corresponding to the energy saving signal is a target transmission beam selected by the network device among the at least two transmission beams, the method further includes:
demodulating and decoding a target energy-saving signal corresponding to the target transmission beam;
after the target energy-saving signal is successfully demodulated and decoded, instructing a terminal to execute a target event, wherein the target event comprises: wake up the receiver or enter a sleep mode.
In order to achieve the above object, an embodiment of the present invention further provides a network device, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor;
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
Wherein the processor, when executing the program, further implements the steps of:
one transmission beam is configured through high layer signaling or physical layer signaling.
Wherein the processor, when executing the program, further implements the steps of:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
Wherein the processor, when executing the program, further implements the steps of:
configuring at least two transmission resources, wherein the transmission resources are resources corresponding to the energy-saving signals;
at least one transmission beam is configured for each of the transmission resources.
Wherein the processor, when executing the program, further implements the steps of:
at least two transmission resources are configured through higher layer signaling.
The energy-saving signal is based on a physical downlink control channel; the processor, when executing the program, further implements the steps of:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Wherein the different transmission beams correspond to different reference signals and comprise one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
Wherein the processor, when executing the program, further implements the steps of:
selecting a target transmit beam from the at least one transmit beam;
transmitting the power saving signal on the target transmission beam.
Wherein the processor, when executing the program, further implements the steps of:
transmitting the energy saving signal through the same transmission beam of the at least two transmission beams on at least two first time units;
alternatively, the first and second electrodes may be,
and on at least two first time units, the energy-saving signals are respectively transmitted through different transmission beams of the at least two transmission beams, and the different first time units correspond to different transmission beams.
Wherein the processor, when executing the program, further implements the steps of:
at least two second time units are configured, and different second time units correspond to different transmission resources.
Wherein the processor, when executing the program, further implements the steps of:
at least two second time units are configured through high layer signaling, physical layer signaling or pre-convention.
Wherein the processor, when executing the program, further implements the steps of:
and transmitting the energy-saving signal through at least one transmission beam corresponding to the transmission resource on at least two second time units and on the transmission resource corresponding to each of the at least two second time units.
Wherein the processor, when executing the program, further implements the steps of:
the terminal is configured with a priori information for the terminal to detect the transmit beam over a time unit, the time unit including a first time unit or a second time unit.
Wherein the processor, when executing the program, further implements the steps of:
and configuring prior information used for detecting the sending beam on the time unit for the terminal through high-layer signaling, physical layer signaling or pre-convention.
In order to achieve the above object, an embodiment of the present invention further provides a network device, including:
a first configuration module for configuring at least one transmit beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
a transmitting module, configured to transmit the energy-saving signal on the at least one transmission beam.
Wherein the first configuration module comprises:
a first configuration unit, configured to configure a transmission beam through a higher layer signaling or a physical layer signaling.
Wherein the first configuration module comprises:
a second configuration unit, configured to configure at least two transmission beams through a higher layer signaling or a physical layer signaling.
Wherein the first configuration module comprises:
a third configuration unit, configured to configure at least two transmission resources, where the transmission resources are resources corresponding to the energy saving signal;
a fourth configuration unit, configured to configure at least one transmission beam for each of the transmission resources.
The third configuration unit is specifically configured to configure at least two transmission resources through a higher layer signaling.
The energy-saving signal is based on a physical downlink control channel; the network device further includes:
and a second configuration module configured to configure reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Wherein the different transmission beams correspond to different reference signals and comprise one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
Wherein, the sending module includes:
a selecting unit configured to select a target transmission beam from the at least one transmission beam;
a first transmitting unit, configured to transmit the energy saving signal on the target transmission beam.
Wherein, the sending module includes:
a second transmitting unit, configured to transmit the energy saving signal through a same transmission beam of the at least two transmission beams in at least two first time units;
alternatively, the first and second electrodes may be,
a third sending unit, configured to send the energy saving signal through different sending beams of the at least two sending beams in at least two first time units, where the different first time units correspond to different sending beams.
Wherein, still include:
and a third configuration module, configured to configure at least two second time units, where different second time units correspond to different transmission resources.
Wherein the third configuration module comprises:
a fifth configuration unit, configured to configure at least two second time units through high layer signaling, physical layer signaling, or pre-convention.
Wherein, the sending module includes:
and a fourth transmitting unit, configured to transmit the energy saving signal through at least one transmission beam corresponding to the transmission resource in at least two second time units and in the transmission resource corresponding to each of the at least two second time units.
Wherein, still include:
a fourth configuration module, configured to configure, for the terminal, prior information used for the terminal to detect the transmission beam in a time unit, where the time unit includes the first time unit or the second time unit.
Wherein the fourth configuration module comprises:
a sixth configuration unit, configured to configure, for the terminal, prior information used for the terminal to detect the transmission beam in the time unit through high-layer signaling, physical layer signaling, or pre-engagement.
In order to achieve the above object, an embodiment of the present invention further provides a terminal, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor;
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
Wherein the transmit beam comprises one transmit beam; the processor, when executing the program, further implements the steps of:
and receiving the energy-saving signal transmitted on the transmission beam by the network equipment on a receiving beam corresponding to the transmission beam.
The transmission beams comprise at least two transmission beams, and the at least two transmission beams correspond to the same energy-saving signal; the processor, when executing the program, further implements the steps of:
a selected target transmit beam of the at least two transmit beams is determined by the network device.
Wherein the processor, when executing the program, further implements the steps of:
detecting reference signals corresponding to the transmission beams, wherein different transmission beams correspond to different reference signals;
and if the reference signal is detected, determining that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network equipment in the at least two transmission beams.
Wherein the processor, when executing the program, further implements the steps of:
and receiving the energy-saving signals transmitted on the corresponding transmitting beams through at least two receiving beams respectively in the same first time unit.
Wherein the processor, when executing the program, further implements the steps of:
receiving energy-saving signals sent by the at least two sending wave beams on at least two first time units respectively, wherein different first time units correspond to different sending wave beams;
performing signal detection on the at least two transmitting beams based on a predetermined mode, a base station configuration mode or a random selection mode;
and if the energy-saving signal is detected, determining that the transmitting beam corresponding to the energy-saving signal is a target transmitting beam selected by the network equipment in the at least two transmitting beams.
Wherein the processor, when executing the program, further implements the steps of:
and receiving, on at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
Wherein the processor, when executing the program, further implements the steps of:
demodulating and decoding a target energy-saving signal corresponding to the target transmission beam;
after the target energy-saving signal is successfully demodulated and decoded, instructing a terminal to execute a target event, wherein the target event comprises: wake up the receiver or enter a sleep mode.
In order to achieve the above object, an embodiment of the present invention further provides a terminal, including:
and the receiving module is used for receiving the energy-saving signal sent by the network equipment on at least one sending beam.
Wherein the transmit beam comprises one transmit beam; the receiving module comprises:
a first receiving unit, configured to receive, on a receiving beam corresponding to the transmission beam, an energy saving signal transmitted on the transmission beam by the network device.
The transmission beams comprise at least two transmission beams, and the at least two transmission beams correspond to the same energy-saving signal; the terminal further comprises:
and the beam determining module is used for determining a target transmission beam selected by the network equipment in the at least two transmission beams after receiving the energy-saving signal transmitted by the network equipment on the at least one transmission beam.
Wherein the beam determination module comprises:
a first detecting unit, configured to detect a reference signal corresponding to the transmission beam, where different transmission beams correspond to different reference signals;
a first beam determining unit, configured to determine, when a reference signal is detected, a transmission beam corresponding to the reference signal as a target transmission beam selected by the network device among the at least two transmission beams.
Wherein, the receiving module comprises:
and a second receiving unit, configured to receive, in the same first time unit, the energy saving signals sent on the corresponding sending beams through at least two receiving beams, respectively.
Wherein, the receiving module comprises:
a third receiving unit, configured to receive, in at least two first time units, energy saving signals sent by the at least two sending beams, respectively, where different first time units correspond to different sending beams;
the beam determination module includes:
a second detecting unit, configured to perform signal detection on the at least two transmit beams based on a predetermined, base station configuration, or random selection manner;
a second beam determining unit, configured to determine, when the energy saving signal is detected, a transmission beam corresponding to the energy saving signal as a target transmission beam selected by the network device among the at least two transmission beams.
Wherein, the receiving module comprises:
a fourth receiving unit, configured to receive, in at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
Wherein, the terminal further includes:
the demodulation and decoding module is used for demodulating and decoding the target energy-saving signal corresponding to the target transmitting beam;
an indicating module, configured to instruct a terminal to execute a target event after the target power saving signal is successfully demodulated and decoded, where the target event includes: wake up the receiver or enter a sleep mode.
In order to achieve the above object, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, realizes the steps of the signal transmission method as described above.
The technical scheme of the invention at least has the following beneficial effects:
in the above technical solution of the embodiment of the present invention, at least one transmission beam is configured; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal; and transmitting the energy-saving signal on the at least one transmitting beam, so that the transmission of the energy-saving signal based on the beam can be realized, a subsequent terminal can execute a corresponding event according to the received indication of the energy-saving signal, and the aim of saving the electric quantity of the terminal is fulfilled.
Drawings
Fig. 1 is a flowchart illustrating a signal transmission method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a second exemplary embodiment of a signal transmission method;
FIG. 3 is a block diagram of a network device according to an embodiment of the present invention;
FIG. 4 is a block diagram of a network device according to an embodiment of the present invention;
fig. 5 is a block diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a schematic flow chart of a signal transmission method provided in an embodiment of the present invention is applied to a network device, and includes:
step 101: configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
here, the network device configures at least one transmission beam, i.e., configures one or more transmission beams, for each transmission resource of the power saving signal.
It should be noted that the transmission resource of the energy saving signal specifically refers to a transmission resource of the energy saving signal.
Here, the transmission resource of the power saving signal refers to time and frequency at which the power saving signal is transmitted, but other resources such as code division resources and space resources are not excluded.
Step 102: transmitting the power saving signal on the at least one transmit beam.
In this step, specifically, the energy-saving signal is transmitted on at least one transmission beam through a transmission resource corresponding to the energy-saving signal.
In the signal transmission method of the embodiment of the invention, at least one sending beam is configured; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal; and transmitting the energy-saving signal on the at least one transmitting beam, so that the transmission of the energy-saving signal based on the beam can be realized, a subsequent terminal can execute a corresponding event according to the received indication of the energy-saving signal, and the aim of saving the electric quantity of the terminal is fulfilled.
Based on the embodiment shown in fig. 1, as a preferred implementation manner, step 101 may include:
one transmission beam is configured through high layer signaling or physical layer signaling.
In this step, specifically, a transmission beam is configured for the transmission resource of the energy saving signal through a high layer signaling or a physical layer signaling.
Preferably, the network device (e.g., the base station) may statically configure, for the terminal, the transmission Resource of the energy saving signal of the UE specific to the terminal or the UE group specific to the terminal group in a semi-static configuration or a pre-agreed manner through a Radio Resource Control (RRC) signaling, and then configure, for the energy saving signal, one transmission beam through the RRC signaling. Preferably, the power saving signal is a sequence based power saving signal. Of course, other forms of power saving signals are not excluded.
Based on the embodiment shown in fig. 1, as a preferred implementation manner, step 101 may include:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
In this step, specifically, at least two transmission beams, that is, a plurality of transmission beams, are configured for the transmission resource of the energy saving signal through a high layer signaling or a physical layer signaling.
Based on the embodiment shown in fig. 1, as a preferred implementation manner, step 101 may include:
configuring at least two transmission resources, wherein the transmission resources are resources corresponding to the energy-saving signals;
in this step, specifically, at least two transmission resources are configured through a high-level signaling.
At least one transmission beam is configured for each of the transmission resources.
Here, the higher layer signaling may include higher layer RRC signaling or MAC CE.
Of course, at least two transmission resources may also be configured through physical layer signaling. Here, the physical layer signaling may include physical layer PDCCH signaling.
It should be noted that the network device may configure a plurality of transmission resources first, and then configure at least one transmission beam for each transmission resource in the plurality of transmission resources after configuring the plurality of transmission resources.
The network equipment can also configure a transmission resource A, and after the transmission resource A is configured, at least one sending beam is configured for the transmission resource A; and then, allocating a transmission resource B, after the transmission resource B is allocated, allocating at least one sending beam for the transmission resource B, and so on until n transmission resources are allocated, and allocating at least one sending beam for each transmission resource.
Further, the energy-saving signal is an energy-saving signal based on a physical downlink control channel PDCCH, and the method may further include:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Specifically, the reference signals corresponding to different transmission beams include one of the following:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
Note that, if the sequence of the reference signal is related to the beam information, here, the sequence of the reference signal corresponding to different transmission beams may be different from the sequence of the reference information, and specifically, the beam index information included in the initial phase of the gold sequence of the sequence in which the reference signal is generated may be different from the sequence of the reference signal.
In an example, the energy-saving Signal is an energy-saving Signal based on a PDCCH, and the network device configures a plurality of transmission beams for a transmission resource of the energy-saving Signal, that is, the CORESET, and configures different DRMS (demodulation reference Signal) for different transmission beams, that is, the DRMS configured between different transmission beams is different, and specifically, the DRMS pattern configured between different transmission beams may be different.
Here, in general, the transmission beam may include a plurality of aggregation levels, where the configured DRMS pattern is different between different aggregation levels.
Based on the embodiment shown in fig. 1, as a preferred implementation, step 102 may include:
selecting a target transmit beam from the at least one transmit beam;
in this step, specifically, the network device may select a target transmission beam from the at least one transmission beam according to the channel transmission quality of the terminal.
For example, the network device obtains the channel transmission quality of the channel environment in which the terminal is located, which is reported by the terminal, and the network device selects a target transmission beam, which is adapted to the channel transmission quality of the terminal, from the at least one transmission beam according to the channel transmission quality of the terminal.
Here, the target transmission beam adapted to the channel transmission quality of the terminal, that is, the target transmission beam, enables the power saving signal transmitted by the network device to reach the direction of the receiver of the terminal with better signal quality.
Transmitting the power saving signal on the target transmission beam.
As an optional implementation manner, in an embodiment that the network device configures at least two transmission beams through higher layer signaling or physical layer signaling, step 102 may include:
transmitting the power saving signal through the same transmission beam of the at least two transmission beams over at least two first time units.
In this step, the energy saving signal is transmitted at a plurality of positions (preferably, a plurality of first time units) using the same transmission beam.
For example, when the network device (e.g., a base station) obtains the channel quality information reported by the terminal, the network device may transmit the energy-saving signal on the plurality of first time units by using the selected transmission beam (i.e., the same transmission beam) of the at least two transmission beams. Thus, the energy-saving signal transmitted by the network equipment can reach the direction of the receiver of the terminal with better signal quality.
As yet another alternative implementation, step 102 may include:
and on at least two first time units, the energy-saving signals are respectively transmitted through different transmission beams of the at least two transmission beams, and the different first time units correspond to different transmission beams.
In this step, different first time units correspond to different transmission beams, that is, the first time units and the transmission beams have a corresponding relationship.
For example, when the network device (e.g., a base station) does not obtain the channel quality information reported by the terminal, the network device may send the energy-saving signal by using different transmission beams in the at least two transmission beams, so that it is at least ensured that the terminal receives the energy-saving signal.
Configuring at least two transmission resources based on network equipment, wherein the transmission resources are resources corresponding to the energy-saving signals; as an optional implementation manner, the method may further include, in an embodiment that at least one transmission beam is configured for each transmission resource:
at least two second time units are configured, and different second time units correspond to different transmission resources.
In this step, specifically, at least two second time units are configured through a high-level signaling, a physical-layer signaling, or a pre-appointment.
For example, the transmission time unit (i.e., the second time unit) of the energy saving signal corresponding to each transmission resource is configured through higher layer RRC signaling or MAC CE or pre-agreed.
Based on this, further, step 102 may include:
and transmitting the energy-saving signal through at least one transmission beam corresponding to the transmission resource on at least two second time units and on the transmission resource corresponding to each of the at least two second time units.
It should be noted that, since the transmission beams of the base station on different transmission resources are different, the second time unit is the sum of the time for transmitting the energy-saving signal through the transmission beam and the time for switching the beam of the network device. That is, the second time unit includes reserved time for the network device to switch beams, in addition to time for transmitting the power saving signal through the transmission beam.
Generally, the time of the second time unit is greater than the time of the first time unit in the above embodiments.
In an example, when the power saving signal is a PDCCH-based power saving signal, a network device (e.g., a base station) configures T control resource sets, CORESET, for the PDCCH-based power saving signal, and configures W transmission beams for each CORESET, where W ≧ 1 and W is a positive integer.
The network device may sequentially transmit the same power saving signal through the respective corresponding transmission beams at different second time units on different CORESET.
For example, T ═ 2or 3, W ═ 1, the network device may define each transmission time unit (i.e., the second time unit) as K OFDM symbols in advance, and each K OFDM symbol, and the network device transmits the power saving signal once through the corresponding transmission beam on one core set.
It should be noted that since the transmission beams of the network device are different on different CORESET, the K OFDM symbols include the reserved time for the beam switching of the network device.
When W >1, that is, more than one transmission beam is configured on each core set, the network device sequentially transmits the energy-saving signal on the W transmission beams corresponding to the current core set, or transmits the energy-saving signal on the W transmission beams corresponding to the current core set, which are greater than or equal to 1 and less than W transmission beams, on each transmission time unit, that is, K OFDM symbols.
The power saving signals transmitted on the plurality of CORESET and the plurality of transmission beams corresponding thereto are the same power saving signal.
Further, in order to implement the above steps and improve the accuracy of receiving the power saving signal by the terminal, the method further includes:
the terminal is configured with a priori information for the terminal to detect the transmit beam over a time unit, the time unit including a first time unit or a second time unit.
Specifically, the step may specifically include:
and configuring prior information used for detecting the sending beam on the time unit for the terminal through high-layer signaling, physical layer signaling or pre-convention.
Here, the a priori information of the transmission beams includes at least, but is not limited to: a correspondence between time units and transmit beams. That is, different time units correspond to different transmission beams, and here, the different transmission beams may be obtained by network device configuration (specifically, semi-static configuration through RRC signaling) or static configuration pre-agreed with the terminal. In this way, the terminal can detect for different beams respectively.
In the signal transmission method of the embodiment of the invention, at least one sending beam is configured; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal; and transmitting the energy-saving signal on the at least one transmitting beam, so that the transmission of the energy-saving signal based on the beam can be realized, a subsequent terminal can execute a corresponding event according to the received indication of the energy-saving signal, and the aim of saving the electric quantity of the terminal is fulfilled.
As shown in fig. 2, a schematic flow chart of a signal transmission method provided in an embodiment of the present invention is applied to a terminal, and includes:
step 201: and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
In this step, the at least one transmission beam includes one or more transmission beams.
It should be noted that, the network device configures at least one sending beam for the transmission resource corresponding to the energy saving signal, and after the configuration is completed, the network device may notify the terminal through a high layer signaling or a physical layer signaling. The terminal learns at least one sending beam configured by the network equipment, and for each sending beam, the terminal has a corresponding receiving beam.
That is, in this step, specifically, the energy-saving signal transmitted by the network device on at least one transmission beam may be received through the reception beam.
According to the signal transmission method provided by the embodiment of the invention, the energy-saving signal sent by the network equipment on at least one sending wave beam is received, so that the transmission of the energy-saving signal based on the wave beam can be realized, the terminal can be ensured to execute the corresponding event according to the indication of the received energy-saving signal, and the purpose of saving the electric quantity of the terminal is achieved.
Based on the embodiment shown in fig. 2, as a preferred implementation manner, the transmitting beam includes a transmitting beam, and step 201 may include:
and receiving the energy-saving signal transmitted on the transmission beam by the network equipment on a receiving beam corresponding to the transmission beam.
Here, since the network device configures one transmission beam for the transmission resource corresponding to the energy saving signal, the terminal knows the transmission beam through signaling notification of the network device, and for the transmission beam, the terminal has a corresponding reception beam. Therefore, the energy-saving signal can be accurately received by the terminal on the receiving beam corresponding to the transmitting beam, resources can be saved, and the complexity of the terminal can be reduced.
Based on the embodiment shown in fig. 2, as a preferred implementation manner, the transmission beams include at least two transmission beams, and the at least two transmission beams correspond to the same energy saving signal; after step 201, the method may further comprise:
a selected target transmit beam of the at least two transmit beams is determined by the network device.
It should be noted that, since the terminal does not know which transmission beam the network device transmits the energy-saving signal on, and cannot know which reception beam the terminal can receive the energy-saving signal on, in order to determine the reception beam receiving the energy-saving signal, reduce power consumption, and improve the success rate of demodulating and decoding the energy-saving signal, it is necessary to determine the target transmission beam selected by the network device in the at least two transmission beams.
Accordingly, as an optional implementation manner, in the case that the energy saving signal is an energy saving signal based on the PDCCH, and the network device configures a reference signal for the transmission beam, the determining, by this step, a target transmission beam selected by the network device among the at least two transmission beams may specifically include:
detecting reference signals corresponding to the transmission beams, wherein different transmission beams correspond to different reference signals;
in this step, in particular, the hypothetical detection is performed on the DMRS of the PDCCH-based energy-saving signal corresponding to each transmission beam, and preferably, the detection may be performed by using simple sequence correlation.
And if the reference signal is detected, determining that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network equipment in the at least two transmission beams.
Specifically, if only one reference signal is detected, the transmission beam corresponding to the reference signal is determined to be a target transmission beam selected by the network device from the at least two transmission beams.
If at least two reference signals are detected, determining that a transmission beam corresponding to a target reference signal in the at least two reference signals is a target transmission beam selected by the network device from the at least two transmission beams, preferably, the channel transmission quality corresponding to the target reference signal is greater than a preset threshold value.
In this step, the terminal detects the reference signal, determines that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network device among the at least two transmission beams, performs demodulation and decoding of the energy saving signal on the energy saving signal received in the target reception beam corresponding to the target transmission beam, and otherwise does not perform demodulation and decoding of the energy saving signal. Therefore, the power consumption can be reduced, and the success rate of demodulating and decoding the energy-saving signal is improved.
Here, in a case that the transmission beam includes at least two transmission beams, and the at least two transmission beams correspond to the same energy saving signal, as an optional implementation manner, step 201 may include:
and receiving the energy-saving signals transmitted on the corresponding transmitting beams through at least two receiving beams respectively in the same first time unit.
It should be noted that, this implementation corresponds to a situation in which the network device configures at least two transmission beams for the transmission resource of the energy saving signal, and configures a reference signal for the transmission beams, where different transmission beams correspond to different reference signals.
Taking an example in the method of the network device side as an example, the following description continues to describe the behavior of the corresponding terminal side, that is, the energy saving signal is an energy saving signal based on the PDCCH, the network device configures a plurality of transmission beams for the energy saving signal control resource set CORESET, and configures different DRMS for different transmission beams, that is, configured DRMS are different between different transmission beams. When a network device (e.g., a base station) transmits an energy-saving signal on a selected beam, and a terminal first receives a plurality of energy-saving signals corresponding to the transmission beams, such as high-frequency analog beams, preferably, the terminal receives the energy-saving signals transmitted by the respective N transmission beams through N reception beams on the same first time unit, where N is greater than or equal to 2, and N is a positive integer.
Then, a hypothesis test is performed on the DMRS of the PDCCH-based energy-saving signal corresponding to each transmission beam, the test is preferably performed using simple sequence correlation, and if the terminal detects the DMRS corresponding to the transmission beam at the corresponding beam receiving position, the terminal performs a complex channel decoding operation.
Here, the receiving of the energy saving signals transmitted on the corresponding transmission beams by the at least two reception beams in the same first time unit means that the terminal receives the energy saving signals transmitted on the corresponding transmission beams by the at least two reception beams in the same first time unit.
It should be noted that the terminal is capable of receiving multiple beams in the same first time unit, and generally requires that the terminal have the capability, for example, that the antenna of the terminal has multiple panels.
As a further alternative implementation, step 101 may include:
receiving energy-saving signals sent by the at least two sending wave beams on at least two first time units respectively, wherein different first time units correspond to different sending wave beams;
further optionally, determining a target transmission beam selected by the network device among the at least two transmission beams may specifically include:
performing signal detection on the at least two transmitting beams based on a predetermined mode, a base station configuration mode or a random selection mode;
and if the energy-saving signal is detected, determining that the transmitting beam corresponding to the energy-saving signal is a target transmitting beam selected by the network equipment in the at least two transmitting beams.
It should be noted that, this implementation manner corresponds to a situation in which the network device configures at least two transmission beams for the transmission resource of the energy saving signal, and transmits the energy saving signal through different transmission beams of the at least two transmission beams in at least two first time units, respectively.
That is to say, the network device selects one of the multiple transmission beams to transmit the energy saving signal in the multiple transmission time units, and accordingly, the terminal detects different transmission beams at multiple MOs (Monitoring opportunities) of the energy saving signal according to a predetermined, base station configuration, or random selection manner, for example, the base station configures corresponding relationships between different first time units (e.g., different MOs) and the transmission beams by RRC signaling semi-static configuration or a predetermined static configuration manner between the base station and the terminal, so that the terminal can detect different beams.
It should be noted that, the MO is from the perspective of the terminal, and from the perspective of the network device, that is, the opportunity to transmit the energy saving signal, since the MO and the energy saving signal are in a complete one-to-one correspondence relationship, no distinction is made here.
More specifically, the base station configures M transmission beams for the transmission resource of the energy saving signal, for example, M may be configured for CORESET corresponding to the energy saving signal based on the PDCCH, where, for example, M is 2. The base station selects one transmission beam according to the channel environment of the UE, and transmits the energy-saving signal at a plurality of transmission opportunities, or the base station transmits the energy-saving signal at a plurality of transmission beams at different first time units (such as a plurality of energy-saving signal transmission opportunities). And the terminal receives the energy-saving signals on the plurality of MOs by adopting different sending wave beams according to the base station respectively. That is, the terminal performs hypothesis testing on a plurality of MOs for a plurality of beam transmission directions.
Here, the direction of the beam detected by the terminal in the MO may be configured semi-statically by the RRC signaling of the base station or statically in a pre-agreed manner, or the base station may randomly select one beam to transmit.
For example, the MO with odd index, the terminal assumes that the transmission beam of the base station is transmission beam 1, and then detects the energy saving signal; index is MO of even number, the terminal assumes that the sending beam of the base station is the sending beam 2, and then detects the energy-saving signal; when there is no a priori information about how to detect the transmission beam, the terminal may randomly alternate to test the transmission beam, for example, the current MO may assume that the transmission beam is 1 or 2, and the next MO may assume that the transmission beam is 2or 1.
Based on the embodiment shown in fig. 2, as a preferred implementation manner, step 201 may include:
and receiving, on at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
It should be noted that, in the implementation manner, at least two transmission resources are configured corresponding to the network device side, where the transmission resources are resources corresponding to the energy saving signals; a situation in which at least one transmission beam is configured for each of the transmission resources.
Taking an example in the method of the network device side as an example, the behavior of the corresponding terminal side is continuously explained, that is, when the energy saving signal is an energy saving signal based on the PDCCH, the network device (e.g., the base station) configures T control resource sets CORESET for the energy saving signal based on the PDCCH, and configures W transmission beams for each CORESET, where W is greater than or equal to 1, and W is a positive integer. The network device may sequentially transmit the same power saving signal through the respective corresponding transmission beams at different second time units on different CORESET.
Accordingly, the terminal receives the transmitted power saving signals on different CORESET and corresponding different beams thereof at the corresponding transmission time unit (i.e., the second time unit).
It should be noted that from the terminal node angle, as long as the terminal demodulates and decodes the energy saving signal on one beam corresponding to one CORESET, the subsequent beam scanning can be stopped.
In another implementation mode, a terminal detects a DMRS corresponding to a PDCCH on a beam corresponding to different CORESETs, performs demodulation and decoding only if the DMRS is detected, and does not perform demodulation and decoding if the DMRS is not detected; if the base station detects a plurality of DMRS sequences, a PDCCH-based energy-saving signal corresponding to a DMRS sequence with better channel transmission quality is selected for demodulation and decoding.
As an optional implementation manner, after determining the selected target transmission beam of the at least two transmission beams, the method may further include:
demodulating and decoding a target energy-saving signal corresponding to the target transmission beam;
in this step, after determining the target transmission beam selected by the network device among the at least two transmission beams, the target energy-saving signal corresponding to the target transmission beam is demodulated and decoded, and other transmission beams are not demodulated and decoded, so that not only can the power consumption of the terminal be reduced, but also the success rate of demodulating and decoding the energy-saving signal can be improved.
After the target energy-saving signal is successfully demodulated and decoded, instructing a terminal to execute a target event, wherein the target event comprises: wake up the receiver or enter a sleep mode.
In this step, it should be noted that the target time includes, but is not limited to: wake up the receiver or enter a sleep mode.
According to the signal transmission method provided by the embodiment of the invention, the energy-saving signal sent by the network equipment on at least one sending wave beam is received, so that the transmission of the energy-saving signal based on the wave beam can be realized, the terminal can be ensured to execute the corresponding event according to the indication of the received energy-saving signal, and the purpose of saving the electric quantity of the terminal is achieved.
As shown in fig. 3, an embodiment of the present invention further provides a network device, including: a transceiver 310, a memory 320, a processor 300 and a program stored on the memory and executable on the processor, the processor 300 being configured to read the program in the memory 320 and execute the following processes:
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
Where in fig. 3, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 300 and memory represented by memory 320. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 310 may be a number of elements including a transmitter and a transceiver providing a means for communicating with various other apparatus over a transmission medium. The processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 may store data used by the processor 300 in performing operations.
Optionally, the processor 300 further implements the following steps when executing the program:
one transmission beam is configured through high layer signaling or physical layer signaling.
Optionally, the processor executes the program to further implement the following steps:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
Optionally, the processor 300 further implements the following steps when executing the program:
configuring at least two transmission resources, wherein the transmission resources are resources corresponding to the energy-saving signals;
at least one transmission beam is configured for each of the transmission resources.
Optionally, the processor 300 further implements the following steps when executing the program:
at least two transmission resources are configured through higher layer signaling.
Optionally, the power saving signal is a power saving signal based on a physical downlink control channel; the processor 300 further implements the following steps when executing the program:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Optionally, the different transmission beams correspond to different reference signals and include one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
Optionally, the processor 300 further implements the following steps when executing the program:
selecting a target transmission beam from the at least one transmission beam according to the channel transmission quality of the terminal;
transmitting the power saving signal on the target transmission beam.
Optionally, the processor 300 further implements the following steps when executing the program:
transmitting the energy saving signal through the same transmission beam of the at least two transmission beams on at least two first time units;
alternatively, the first and second electrodes may be,
and on at least two first time units, the energy-saving signals are respectively transmitted through different transmission beams of the at least two transmission beams, and the different first time units correspond to different transmission beams.
Optionally, the processor 300 further implements the following steps when executing the program:
at least two second time units are configured, and different second time units correspond to different transmission resources.
Optionally, the processor 300 further implements the following steps when executing the program:
at least two second time units are configured through high layer signaling, physical layer signaling or pre-convention.
Optionally, the processor 300 further implements the following steps when executing the program:
and transmitting the energy-saving signal through at least one transmission beam corresponding to the transmission resource on at least two second time units and on the transmission resource corresponding to each of the at least two second time units.
Optionally, the processor 300 further implements the following steps when executing the program:
the terminal is configured with a priori information for the terminal to detect the transmit beam over a time unit, the time unit including a first time unit or a second time unit.
Optionally, the processor 300 further implements the following steps when executing the program:
and configuring prior information used for detecting the sending beam on the time unit for the terminal through high-layer signaling, physical layer signaling or pre-convention.
As shown in fig. 4, the present invention further provides a network device, including:
a first configuration module 401 for configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
a sending module 402, configured to send the energy-saving signal on the at least one sending beam.
In the network device of the embodiment of the present invention, the first configuration module 401 may include:
a first configuration unit, configured to configure a transmission beam through a higher layer signaling or a physical layer signaling.
In the network device of the embodiment of the present invention, the first configuration module 401 includes:
a second configuration unit, configured to configure at least two transmission beams through a higher layer signaling or a physical layer signaling.
In the network device of the embodiment of the present invention, the first configuration module 401 includes:
a third configuration unit, configured to configure at least two transmission resources, where the transmission resources are resources corresponding to the energy saving signal;
a fourth configuration unit, configured to configure at least one transmission beam for each of the transmission resources.
In the network device of the embodiment of the present invention, the third configuration unit is specifically configured to configure at least two transmission resources through a high-level signaling.
Optionally, the power saving signal is a power saving signal based on a physical downlink control channel; the network device of the embodiment of the invention further comprises:
and a second configuration module configured to configure reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
Optionally, the different transmission beams correspond to different reference signals and include one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
In the network device of the embodiment of the present invention, the sending module 402 includes:
a selecting unit configured to select a target transmission beam from the at least one transmission beam;
a first transmitting unit, configured to transmit the energy saving signal on the target transmission beam.
In the network device of the embodiment of the present invention, the sending module 402 includes:
a second transmitting unit, configured to transmit the energy saving signal through a same transmission beam of the at least two transmission beams in at least two first time units;
alternatively, the first and second electrodes may be,
a third sending unit, configured to send the energy saving signal through different sending beams of the at least two sending beams in at least two first time units, where the different first time units correspond to different sending beams.
The network device of the embodiment of the invention further comprises:
and a third configuration module, configured to configure at least two second time units, where different second time units correspond to different transmission resources.
In the network device of the embodiment of the present invention, the third configuration module includes:
a fifth configuration unit, configured to configure at least two second time units through high layer signaling, physical layer signaling, or pre-convention.
In the network device of the embodiment of the present invention, the sending module 402 includes:
and a fourth transmitting unit, configured to transmit the energy saving signal through at least one transmission beam corresponding to the transmission resource in at least two second time units and in the transmission resource corresponding to each of the at least two second time units.
The network device of the embodiment of the invention further comprises:
a fourth configuration module, configured to configure, for the terminal, prior information used for the terminal to detect the transmission beam in a time unit, where the time unit includes the first time unit or the second time unit.
In the network device of the embodiment of the present invention, the fourth configuration module includes:
a sixth configuration unit, configured to configure, for the terminal, prior information used for the terminal to detect the transmission beam in the time unit through high-layer signaling, physical layer signaling, or pre-engagement.
The network equipment of the embodiment of the invention configures at least one transmitting beam through a first configuration module; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal; the transmitting module transmits the energy-saving signal on the at least one transmitting beam, so that the transmission of the energy-saving signal based on the beam can be realized, a subsequent terminal can execute a corresponding event according to the received indication of the energy-saving signal, and the aim of saving the electric quantity of the terminal is fulfilled.
In some embodiments of the invention, there is also provided a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
When executed by the processor, the program can implement all the implementation manners in the method embodiment applied to the network device side shown in fig. 1, and details are not described here for avoiding repetition.
As shown in fig. 5, an embodiment of the present invention further provides a terminal, including: including a memory 520, a processor 500, a transceiver 510, a bus interface, and a program stored on the memory 520 and executable on the processor 500, the processor 500 is configured to read the program in the memory 520 and execute the following processes:
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 520, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 530 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
Optionally, the transmit beam comprises one transmit beam; the processor 500 executes the program to further implement the following steps:
and receiving the energy-saving signal transmitted on the transmission beam by the network equipment on a receiving beam corresponding to the transmission beam.
Optionally, the transmission beams include at least two transmission beams, and the at least two transmission beams correspond to the same energy saving signal; the processor 500 executes the program to further implement the following steps:
a selected target transmit beam of the at least two transmit beams is determined by the network device.
Optionally, the processor 500 further implements the following steps when executing the program:
detecting reference signals corresponding to the transmission beams, wherein different transmission beams correspond to different reference signals;
and if the reference signal is detected, determining that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network equipment in the at least two transmission beams.
Optionally, the processor 500 further implements the following steps when executing the program:
and receiving the energy-saving signals transmitted on the corresponding transmitting beams through at least two receiving beams respectively in the same first time unit.
Optionally, the processor 500 further implements the following steps when executing the program:
receiving energy-saving signals sent by the at least two sending wave beams on at least two first time units respectively, wherein different first time units correspond to different sending wave beams;
performing signal detection on the at least two transmitting beams based on a predetermined mode, a base station configuration mode or a random selection mode;
and if the energy-saving signal is detected, determining that the transmitting beam corresponding to the energy-saving signal is a target transmitting beam selected by the network equipment in the at least two transmitting beams.
Optionally, the processor 500 further implements the following steps when executing the program:
and receiving, on at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
Optionally, the processor 500 further implements the following steps when executing the program:
demodulating and decoding a target energy-saving signal corresponding to the target transmission beam;
after the target energy-saving signal is successfully demodulated and decoded, instructing a terminal to execute a target event, wherein the target event comprises: wake up the receiver or enter a sleep mode.
As shown in fig. 6, an embodiment of the present invention further provides a terminal, including:
a receiving module 601, configured to receive an energy saving signal sent by a network device on at least one sending beam.
Optionally, the transmit beam comprises one transmit beam; in the terminal of the embodiment of the present invention, the receiving module 601 includes:
a first receiving unit, configured to receive, on a receiving beam corresponding to the transmission beam, an energy saving signal transmitted on the transmission beam by the network device.
Optionally, the transmission beams include at least two transmission beams, and the at least two transmission beams correspond to the same energy saving signal; the terminal of the embodiment of the invention further comprises:
and the beam determining module is used for determining a target transmission beam selected by the network equipment in the at least two transmission beams after receiving the energy-saving signal transmitted by the network equipment on the at least one transmission beam.
In the terminal of the embodiment of the present invention, the beam determining module includes:
a first detecting unit, configured to detect a reference signal corresponding to the transmission beam, where different transmission beams correspond to different reference signals;
a first beam determining unit, configured to determine, when a reference signal is detected, a transmission beam corresponding to the reference signal as a target transmission beam selected by the network device among the at least two transmission beams.
In the terminal of the embodiment of the present invention, the receiving module 601 includes:
and a second receiving unit, configured to receive, in the same first time unit, the energy saving signals sent on the corresponding sending beams through at least two receiving beams, respectively.
In the terminal of the embodiment of the present invention, the receiving module 601 includes:
a third receiving unit, configured to receive, in at least two first time units, energy saving signals sent by the at least two sending beams, respectively, where different first time units correspond to different sending beams;
the beam determination module includes:
a second detecting unit, configured to perform signal detection on the at least two transmit beams based on a predetermined, base station configuration, or random selection manner;
a second beam determining unit, configured to determine, when the energy saving signal is detected, a transmission beam corresponding to the energy saving signal as a target transmission beam selected by the network device among the at least two transmission beams.
In the terminal of the embodiment of the present invention, the receiving module 601 includes:
a fourth receiving unit, configured to receive, in at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
The terminal of the embodiment of the invention further comprises:
the demodulation and decoding module is used for demodulating and decoding the target energy-saving signal corresponding to the target transmitting beam;
an indicating module, configured to instruct a terminal to execute a target event after the target power saving signal is successfully demodulated and decoded, where the target event includes: wake up the receiver or enter a sleep mode.
The terminal of the embodiment of the invention receives the energy-saving signal sent by the network equipment on at least one sending wave beam through the receiving module, thus realizing the transmission of the energy-saving signal based on the wave beam, ensuring that the terminal can execute corresponding events according to the indication of the received energy-saving signal and achieving the purpose of saving the electric quantity of the terminal.
In some embodiments of the invention, there is also provided a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
When executed by the processor, the program can implement all the implementation manners in the embodiment of the method applied to the terminal side shown in fig. 2, and is not described herein again to avoid repetition.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (31)

1. A signal transmission method is applied to network equipment and is characterized by comprising the following steps:
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
2. The method of claim 1, wherein configuring at least one transmit beam comprises:
one transmission beam is configured through high layer signaling or physical layer signaling.
3. The method of claim 1, wherein configuring at least one transmit beam comprises:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
4. The method of claim 1, wherein configuring at least one transmit beam comprises:
configuring at least two transmission resources through a high-level signaling, wherein the transmission resources are resources corresponding to the energy-saving signals;
at least one transmission beam is configured for each of the transmission resources.
5. The method according to claim 3 or 4, wherein the power saving signal is a power saving signal based on a physical downlink control channel; the method further comprises the following steps:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
6. The method of claim 5, wherein the different transmit beams correspond to different reference signals and comprise one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
7. The method of claim 1, wherein transmitting the power save signal on the at least one transmit beam comprises:
selecting a target transmit beam from the at least one transmit beam;
transmitting the power saving signal on the target transmission beam.
8. The method of claim 3, wherein transmitting the power save signal on the at least one transmit beam comprises:
transmitting the energy saving signal through the same transmission beam of the at least two transmission beams on at least two first time units;
alternatively, the first and second electrodes may be,
and on at least two first time units, the energy-saving signals are respectively transmitted through different transmission beams of the at least two transmission beams, and the different first time units correspond to different transmission beams.
9. The method of claim 4, further comprising:
at least two second time units are configured, and different second time units correspond to different transmission resources.
10. The method of claim 9, wherein configuring at least two second time units comprises:
at least two second time units are configured through high layer signaling, physical layer signaling or pre-convention.
11. The method of claim 9, wherein transmitting the power save signal on the at least one transmit beam comprises:
and transmitting the energy-saving signal through at least one transmission beam corresponding to the transmission resource on at least two second time units and on the transmission resource corresponding to each of the at least two second time units.
12. The method of claim 8 or 9, further comprising:
the terminal is configured with a priori information for the terminal to detect the transmit beam over a time unit, the time unit including a first time unit or a second time unit.
13. The method of claim 12, wherein configuring the terminal with a priori information for the terminal to detect the transmission beam in a time unit comprises:
and configuring prior information used for detecting the sending beam on the time unit for the terminal through high-layer signaling, physical layer signaling or pre-convention.
14. A signal transmission method is applied to a terminal, and is characterized by comprising the following steps:
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
15. The signal transmission method of claim 14, wherein the transmission beam comprises one transmission beam;
receiving a power-saving signal transmitted by a network device on at least one transmission beam, comprising:
and receiving the energy-saving signal transmitted on the transmission beam by the network equipment on a receiving beam corresponding to the transmission beam.
16. The method of claim 14, wherein the transmit beams comprise at least two transmit beams, the at least two transmit beams corresponding to a same power saving signal;
after receiving the energy-saving signal transmitted by the network device on at least one transmission beam, the method further includes:
a selected target transmit beam of the at least two transmit beams is determined by the network device.
17. The method of claim 16, wherein determining the selected target transmission beam of the at least two transmission beams by the network device comprises:
detecting reference signals corresponding to the transmission beams, wherein different transmission beams correspond to different reference signals;
and if the reference signal is detected, determining that the transmission beam corresponding to the reference signal is a target transmission beam selected by the network equipment in the at least two transmission beams.
18. The method of claim 16, wherein receiving the power-saving signal transmitted by the network device on at least one transmission beam comprises:
and receiving the energy-saving signals transmitted on the corresponding transmitting beams through at least two receiving beams respectively in the same first time unit.
19. The method of claim 16, wherein receiving the power-saving signal transmitted by the network device on at least one transmission beam comprises:
receiving energy-saving signals sent by the at least two sending wave beams on at least two first time units respectively, wherein different first time units correspond to different sending wave beams;
determining a selected target transmit beam of the at least two transmit beams by the network device, comprising:
performing signal detection on the at least two transmitting beams based on a predetermined mode, a base station configuration mode or a random selection mode;
and if the energy-saving signal is detected, determining that the transmitting beam corresponding to the energy-saving signal is a target transmitting beam selected by the network equipment in the at least two transmitting beams.
20. The method of claim 16, wherein receiving the power-saving signal transmitted by the network device on at least one transmission beam comprises:
and receiving, on at least two second time units, energy saving signals sent by the network device on transmission resources corresponding to the at least two second time units respectively through at least one sending beam corresponding to the transmission resources, where the transmission resources are resources corresponding to the energy saving signals.
21. The method of claim 16, wherein determining the transmission beam corresponding to the energy-saving signal as a target transmission beam selected by the network device among the at least two transmission beams further comprises:
demodulating and decoding a target energy-saving signal corresponding to the target transmission beam;
after the target energy-saving signal is successfully demodulated and decoded, instructing a terminal to execute a target event, wherein the target event comprises: wake up the receiver or enter a sleep mode.
22. A network device, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor implements the following steps when executing the program:
configuring at least one transmission beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
transmitting the power saving signal on the at least one transmit beam.
23. The network device of claim 22, wherein the processor, when executing the program, further performs the steps of:
at least two transmission beams are configured through high layer signaling or physical layer signaling.
24. The network device of claim 22, wherein the processor, when executing the program, further performs the steps of:
configuring at least two transmission resources through a high-level signaling, wherein the transmission resources are resources corresponding to the energy-saving signals;
at least one transmission beam is configured for each of the transmission resources.
25. The network device according to claim 23 or 24, wherein the power saving signal is a power saving signal based on a physical downlink control channel; the processor, when executing the program, further implements the steps of:
and configuring reference signals for the transmission beams, wherein different transmission beams correspond to different reference signals.
26. The network device of claim 25, wherein the different transmit beams correspond to different reference signals comprising one of:
the sequences of the reference signals corresponding to different transmitting beams are the same, and the patterns are different;
the sequences of the reference signals corresponding to different transmitting beams are different, and the patterns are the same;
the sequences of the reference signals corresponding to different transmission beams are different, and the patterns are different.
27. The network device of claim 24, wherein the processor when executing the program further performs the steps of:
at least two second time units are configured, and different second time units correspond to different transmission resources.
28. A network device, comprising:
a first configuration module for configuring at least one transmit beam; the sending wave beam is a wave beam corresponding to the transmission resource of the energy-saving signal;
a transmitting module, configured to transmit the energy-saving signal on the at least one transmission beam.
29. A terminal, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor, wherein the processor when executing the program performs the steps of:
and receiving the energy-saving signal transmitted by the network equipment on at least one transmission beam.
30. A terminal, comprising:
and the receiving module is used for receiving the energy-saving signal sent by the network equipment on at least one sending beam.
31. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the signal transmission method according to one of claims 1 to 13 or the steps of the signal transmission method according to one of claims 14 to 21.
CN201910330382.7A 2019-04-02 2019-04-23 Signal transmission method, device and equipment Active CN111769924B (en)

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US17/600,570 US20220174604A1 (en) 2019-04-02 2020-03-25 Signal transmission method, apparatus, and device
EP20783757.6A EP3952477A4 (en) 2019-04-02 2020-03-25 Signal transmission method, apparatus and device
PCT/CN2020/081072 WO2020200004A1 (en) 2019-04-02 2020-03-25 Signal transmission method, apparatus and device
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