CN111867019B - Information transmission method, device, related equipment and storage medium - Google Patents

Information transmission method, device, related equipment and storage medium Download PDF

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Publication number
CN111867019B
CN111867019B CN201910365357.2A CN201910365357A CN111867019B CN 111867019 B CN111867019 B CN 111867019B CN 201910365357 A CN201910365357 A CN 201910365357A CN 111867019 B CN111867019 B CN 111867019B
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information
search space
indication information
control channel
saving
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CN111867019A (en
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胡丽洁
杨拓
王飞
王启星
李男
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Priority to PCT/CN2020/085335 priority patent/WO2020221026A1/en
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    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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)
  • Telephone Function (AREA)

Abstract

The invention discloses an information transmission method, an information transmission device, network equipment, a terminal and a storage medium. The method comprises the following steps: the network equipment sends indication information; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.

Description

Information transmission method, device, related equipment and storage medium
Technical Field
The present invention relates to the field of wireless communications, and in particular, to an information transmission method, an information transmission apparatus, a related device, and a storage medium.
Background
In the research of energy saving of a new air interface (NR) terminal, an idea of an energy saving signal is proposed, and the energy saving signal can instruct the terminal to perform corresponding energy saving operation. The power save signal can be transmitted based on the structure of the control channel. In order to realize the indication function of the energy saving signal, a corresponding search space needs to be configured for the energy saving control channel. For this problem, there has not been an effective solution in the related art.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide an information transmission method, an information transmission apparatus, a related device, and a storage medium.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides an information transmission method, which is applied to network equipment and comprises the following steps:
sending indication information; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
In the foregoing solution, when the indication information is sent, the method includes:
the indication information is carried by Radio Resource Control (RRC) configuration information.
In the foregoing solution, when the indication information is carried by RRC configuration information, the method further includes:
the indication information is set in a control channel configuration Information Element (IE) in RRC signaling.
In the above scheme, the indication information indicates an identifier of a search space of the control channel carrying the energy saving information, or indicates the terminal to detect the control channel carrying the energy saving information.
In the foregoing solution, when the indication information is carried by RRC configuration information, the method further includes:
the indication information is set in a search space configuration in RRC signaling.
In the above scheme, the indication information is located in an information field of which the search space type is common in the search space IE, and the indication information is in a Downlink Control Information (DCI) format of a control channel carrying energy saving information.
In the above scheme, the indication information is located in an information field of the search space IE where the search space type is exclusive to the user.
In the above solution, the position of the indication information in the search space IE satisfies one of the following:
the indication information is in an information domain at the same level as the search space Id; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space or the existence of the indication information indicates that the terminal detects the control channel carrying energy-saving information;
the indication information searches information fields with the same level as the DCI format in an information field with a dedicated user space type in a search space IE; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space or the presence of the indication information indicates that the UE detects the control channel carrying energy-saving information;
the indication information searches information fields with the space type being exclusive to users in the search space IE, wherein the information fields have the same level as the DCI format, and the indication information is the DCI format of the control channel carrying the energy-saving information.
The indication information is in an enumerated value range of a DCI format in an information domain with a search space type exclusive to a user in a search space IE, and the indication information is the DCI format of the control channel carrying the energy-saving information.
The embodiment of the invention also provides an information transmission method, which is applied to a terminal and comprises the following steps:
receiving indication information;
and determining a search space of a control channel carrying energy-saving information by using the indication information.
In the foregoing solution, the receiving the indication information includes:
receiving RRC configuration information; the RRC configuration information carries the indication information.
In the foregoing solution, when receiving the RRC configuration information, the method includes:
the indication information is obtained at a control channel configuration IE in RRC signaling.
In the foregoing solution, the determining a search space of a control channel carrying energy saving information by using the indication information includes:
determining a search space of the control channel carrying the energy-saving information by using the identifier of the search space of the control channel carrying the energy-saving information indicated by the indication information;
alternatively, the first and second electrodes may be,
and determining to detect the control channel carrying the energy-saving information by using the indication information, and determining a search space of the control channel carrying the energy-saving information based on the configured search space.
In the foregoing solution, when receiving the RRC configuration information, the method includes:
the indication information is obtained in a search space configuration in RRC signaling.
In the above scheme, the indication information is a DCI format of a control channel carrying energy saving information; the determining the search space of the control channel carrying the energy-saving information according to the indication information includes:
and determining the search space with the indication information in the information domain with the common search space type in the search space IE as the search space of the energy-saving control channel.
In the above scheme, the obtaining the indication information in the search space configuration in the RRC signaling includes:
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
In the above scheme, when the indication information is obtained in an information field whose search space type is exclusive to the user in the search space IE, the method includes one of:
acquiring the indication information in an information domain at the same level as the search space Id; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; determining a search space of a control channel carrying energy-saving information by using the DCI format;
searching the enumeration value range of the DCI format in the information domain with the exclusive user space type in the search space IE to obtain the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; and determining a search space of a control channel carrying energy-saving information by using the DCI format.
An embodiment of the present invention further provides an information transmission apparatus, including:
a transmitting unit configured to transmit the instruction information; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
In the above scheme, the apparatus further comprises: and the processing unit is used for carrying the indication information through RRC configuration information.
An embodiment of the present invention further provides an information transmission apparatus, including:
a receiving unit for receiving the indication information;
and the determining unit is used for determining the search space of the control channel carrying the energy-saving information by utilizing the indication information.
In the foregoing solution, the receiving unit is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information.
An embodiment of the present invention further provides a network device, including: a first processor and a first communication interface; wherein the content of the first and second substances,
the first communication interface is used for sending indication information under the control of the first processor; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
In the foregoing solution, the first processor is configured to carry the indication information through RRC configuration information.
An embodiment of the present invention further provides a terminal, including:
the second communication interface is used for receiving the indication information;
and the second processor is used for determining the search space of the control channel carrying the energy-saving information by utilizing the indication information.
In the foregoing solution, the second communication interface is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information.
An embodiment of the present invention further provides a network device, including: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is configured to execute the steps of any one of the methods of the network device side when running the computer program.
An embodiment of the present invention further provides a terminal, including: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is configured to execute the steps of any of the above-mentioned methods of the terminal side when running the computer program.
An embodiment of the present invention further provides a storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of any one of the methods in the network device side, or implements the steps of any one of the methods in the terminal side.
According to the information transmission method, the information transmission device, the related equipment and the storage medium provided by the embodiment of the invention, the network equipment sends the indication information; the terminal receives the indication information; and determining a search space of the control channel carrying the energy-saving information by using the indication information, and indicating the terminal to detect the search space of the control channel carrying the energy-saving information by sending the indication information, so that the configuration of the search space of the energy-saving control channel can be realized.
Drawings
Fig. 1 is a flowchart illustrating a method for transmitting information at a terminal side according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a method of information transmission according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an information transmission apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another information transmission apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a network device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a terminal structure according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an information transmission system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
First, there is an explanation as follows:
the functions performed by the power saving signal may include one or more of the following:
indicating whether the terminal needs to detect a control channel during a next Discontinuous Reception (DRX) duration (on duration);
indicating whether the terminal detects the control channel in a next period of time or is in a sleep state in the next period of time;
indicating a maximum number of multiple-input multiple-output (MIMO) streams used by the terminal;
a minimum slot offset value indicating uplink and downlink data scheduling of the terminal for a next period of time, i.e., K0, K2; may also include a minimum value of the Physical Downlink Shared Channel (PDSCH) to hybrid automatic repeat request (HARQ) ACK slot offset value K1;
indicating activation or deactivation of a secondary cell (Scell) of carrier aggregation, or indicating triggering and reporting of aperiodic Channel State Information (CSI) measurement;
indicating a handover of a bandwidth part (BWP).
The power saving signal may be transmitted based on a structure of a control channel, and particularly, the power saving signal may be transmitted based on a structure of a PDCCH. By detecting the energy-saving signal of the PDCCH structure to implement the above-mentioned function indication, a corresponding search space needs to be configured for the PDCCH carrying the energy-saving signal.
Based on this, in various embodiments of the present invention, by transmitting the indication information, the terminal is instructed to detect the search space of the control channel carrying the energy saving information.
By adopting the scheme of the embodiment of the invention, the configuration of the energy-saving control channel searching space can be realized by sending the indication information.
The embodiment of the invention provides an information transmission method, which is applied to network equipment (such as a base station and the like), and comprises the following steps:
sending indication information; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
The control channel carrying the energy saving information may also be referred to as an energy saving control channel.
Here, in practical applications, the following two types of configurations of the search space in NR are provided:
first, for the transmission of cell broadcast control information, the Common Search Space (CSS) for these information associates the type of control information with the search space through cell specific signaling PDCCH-ConfigCommon sent in a system message block (SIB). Part of this information is as follows:
PDCCH-ConfigCommon information element
Figure BDA0002047976140000071
the Residual Minimum System Information (RMSI), SIB1, other system messages (otherSI), paging (paging) and Random Access Response (RAR) associated search space IDs are designated by means of broadcast signaling, and search spaces corresponding to the information are respectively called Type0-PDCCH CSS, Type0A-PDCCH CSS, Type2-PDCCH CSS and Type1-PDCCH CSS. In addition, before the SIB issues the association, the broadcast control information is transmitted in the common search space of type0, i.e. the search space for transmitting RMSI, by default.
Secondly, for other common control information such as an interrupt transmission indication, a slot format indication, a search space Type3-PDCCH CSS where a power control command indication, etc. are located, and a user-specific search space (USS) for transmitting UE-specific control information are configured through PDCCH-Config of RRC signaling, which is as follows:
PDCCH-Config information element
Figure BDA0002047976140000081
and indicating the ID of the search space required to be detected to the terminal through the configuration signaling. The terminal can determine the time-frequency resource position, the detected DCI format, the aggregation level and the like of the PDCCH according to the corresponding search space configuration.
When designing an energy-saving signal based on the PDCCH structure, it is necessary to configure a period of a search space corresponding to the energy-saving signal, detect a position, and the like. Since the first method is suitable for the search space configuration of some broadcast control channels, the configuration of the search space of the energy saving signal is more reasonable through the second method, i.e. the RRC signaling configuration.
Based on this, in an embodiment, when the indication information is sent, the method may include:
and carrying the indication information through RRC configuration information.
Here, in actual use, as described above, the control information is generally configured by PDCCH-Config IE of RRC signaling. The indication information may also be configured via PDCCH-ConfigCommon IE of RRC signaling.
Based on this, in an embodiment, when the indication information is carried by RRC configuration information, the indication information may be set in a control channel configuration IE in RRC signaling. The indication information may indicate an identifier of a search space of the control channel carrying energy saving information, for example, the indication information is added to an IE such as PDCCH-ConfigCommon or PDCCH-Config. The indication information may also indicate the terminal to detect the control channel carrying the energy saving information, and a search space of the control channel carrying the energy saving information is configured by the network.
The manner of indicating the identifier of the search space of the control channel carrying the energy-saving information by adding the indication information to the PDCCH-Config IE is as follows:
PDCCH-Config information element
Figure BDA0002047976140000091
the manner of adding the indication information in the PDCCH-ConfigCommon IE to indicate the identifier of the search space of the control channel carrying the energy saving information is as follows:
PDCCH-ConfigCommon information element
Figure BDA0002047976140000092
Figure BDA0002047976140000101
here, SearchSpaceId indicates a search space ID for detecting a control channel carrying power saving information.
The PDCCH-Config IE is added with the indication information, and the way for indicating the terminal to detect the control channel carrying the energy-saving information is as follows:
PDCCH-Config information element
Figure BDA0002047976140000102
Figure BDA0002047976140000111
here, setupirease { powersave } indicates that a control channel carrying energy saving information is to be detected; the search space used by the specific control channel is configured by the network, and the search space used by the control channel carrying the energy-saving information is configured through the search space IE.
For the second mode, the following two categories are further classified according to the control information:
the first type is information corresponding to the common search space of type3, and the transmission of such control information corresponds to a special DCI format, so that it can be determined in which search spaces to detect such control information through the DCI format of the configured search spaces. And if the search space with the corresponding format is not configured, the corresponding control information does not need to be detected.
The second type is information corresponding to the USS. Such control information scrambled by C-RNTI, MCS-C-RNTI, SP-CSI-RNTI, or CS-RNTI(s) needs to be detected, and when the corresponding RNTI is configured for detection, detection is required in all USSs.
Based on this, in practical application, the control channel carrying the energy saving information may adopt the common search space of type3, and may also adopt USS.
Based on this, in an embodiment, when the indication information is carried by RRC configuration information, the method further includes:
the indication information is set in a search space configuration in RRC signaling.
Here, when the control channel carrying the energy saving information adopts a common search space of type3, the indication information may use a special DCI format x-y, and in the search space configuration, when the search space type is common (expressed as common in english), if the corresponding DCI format x-y is configured, it indicates that the terminal needs to perform detection on the control channel carrying the energy saving information at a time-frequency resource location corresponding to the search space; for example, dci-Format x-y is added after the existing dci-Format2-3 to indicate that the control channel carrying the energy saving information is detected in the common search space.
Based on this, in an embodiment, the indication information is located in an information field of which the search space type is common in the search space IE; the indication information is a DCI format of a control channel carrying energy-saving information.
The manner of setting the indication information in the search space IE is as follows:
SearchSpace
The IE SearchSpace defines how/where to search for PDCCH candidates.Each search space is associated with one ControlResourceSet.
SearchSpace information element
Figure BDA0002047976140000121
Figure BDA0002047976140000131
Figure BDA0002047976140000141
here, the energy-saving signal is transmitted in the common search space, which has the advantage of saving network resources, and multiple terminals can share the energy-saving signal, and in the information carried by the energy-saving signal, different terminals can share the same energy-saving indication information, and also different terminals can occupy different information fields to transmit the energy-saving indication information.
And when the control channel carrying the energy-saving information adopts the USS, configuring whether the search space detects the energy-saving signal in the search space configuration.
Based on this, in an embodiment, the indication information is located in an information field of the search space IE, where the search space type is specific to the user.
Here, specific implementations of the configuration may be classified into the following three types:
first, a field is added to the search space IE to set the indication information, and the position of the field can be collocated in the SearchSpace IE with SearchSpace id, controlResourceSetId, monitongslotperiodicityandoffset, duration, monitongsymbols within slot, nrofCandidates, that is, on the same level as these fields, as follows:
SearchSpace information element
Figure BDA0002047976140000142
Figure BDA0002047976140000151
Figure BDA0002047976140000161
it should be noted that the position of the added field may be any position juxtaposed to the above field, and the name of the field is not limited to the exemplary name (powersavingdetection).
That is, the indication information is in the same level of information domain as the search space Id; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space; of course, in practical application, the existence of the indication information may also indicate that the terminal detects the control channel carrying the energy saving information, that is, the indication information is set in the corresponding position of the search space, that is, the indication information indicates that the control channel carrying the energy saving information is detected in the corresponding search space, instead of adopting a form taking a value as BOOLEAN.
Second, when the searchSpaceType field is ue-specific, a field is added to the dci-Formats to set the indication information, as follows:
Figure BDA0002047976140000162
Figure BDA0002047976140000171
among them, it should be noted that: the name of the domain is also not limited to the name of the example (powersavingdetection).
That is, the indication information searches the information field with the same level as the DCI format in the information field with the user-specific space type in the search space IE; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space; of course, in practical application, the existence of the indication information may also indicate that the terminal detects the control channel carrying the energy saving information, that is, the indication information is set in the corresponding position of the search space, that is, the indication information indicates that the control channel carrying the energy saving information is detected in the corresponding search space, instead of adopting a form taking a value as BOOLEAN.
Thirdly, when the searchSpaceType is ue-specific, in addition to adding a DCI format m-n corresponding to energy saving information to the DCI-Formats, an arrangement is as follows:
Figure BDA0002047976140000172
that is to say, the indication information searches, in the search space IE, an information field whose space type is the same level as the DCI format in an information field dedicated to the user, and the indication information is the DCI format of the control channel carrying the energy saving information.
Another setting is as follows:
Figure BDA0002047976140000173
that is to say, the indication information is in an enumerated value range of a DCI format in an information domain whose search space type is exclusive to a user in a search space IE, and the indication information is the DCI format of the control channel carrying the energy saving information.
And the UE detects that the DCI format m-n exists in the search space, and detects a control channel carrying the energy-saving channel in the search space.
And the USS is adopted by adopting the indication information, so that the service characteristics of the user can be better adapted. This is because: at present, the related art supports that each BWP configures 10 search spaces, that is, there may be multiple user-specific search spaces, in this case, the terminal cannot distinguish which user-specific search space is used for detecting the power saving signal, and the most direct way is to detect the power saving signal in all UE-specific search spaces, which may lead to frequent detection of the power saving signal. This problem can be solved well by arranging the indication information in the search space.
Correspondingly, an embodiment of the present invention provides an information transmission method, which is applied to a terminal, and as shown in fig. 1, the method includes:
step 101: receiving indication information;
specifically, receiving RRC configuration information; the RRC configuration information carries the indication information.
Step 102: and determining a search space of a control channel carrying energy-saving information by using the indication information.
In an embodiment, the receiving the indication information includes:
receiving RRC configuration information; the RRC configuration information carries the indication information.
In an embodiment, when receiving the RRC configuration information, the method may include:
the indication information is obtained at a control channel configuration IE in RRC signaling.
Here, in an embodiment, the determining, by using the indication information, a search space of a control channel carrying energy saving information includes:
determining a search space of the control channel carrying the energy-saving information by using the identifier of the search space of the control channel carrying the energy-saving information indicated by the indication information;
alternatively, the first and second electrodes may be,
and determining to detect the control channel carrying the energy-saving information by using the indication information, and determining a search space of the control channel carrying the energy-saving information based on the configured search space.
In an embodiment, when receiving the RRC configuration information, the method includes:
the indication information is obtained in a search space configuration in RRC signaling.
In an embodiment, the indication information is a DCI format of a control channel carrying energy saving information; the determining the search space of the control channel carrying the energy-saving information according to the indication information includes:
and determining the search space with the indication information in the information domain with the common search space type in the search space IE as the search space of the energy-saving control channel.
In an embodiment, the obtaining the indication information in the search space configuration in the RRC signaling includes:
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
In an embodiment, when the indication information is obtained in a search space IE within an information field for which the search space type is user-specific, the method comprises one of:
acquiring the indication information in an information domain at the same level as the search space Id; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; determining a search space of a control channel carrying energy-saving information by using the DCI format;
searching the enumeration value range of the DCI format in the information domain with the exclusive user space type in the search space IE to obtain the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; and determining a search space of a control channel carrying energy-saving information by using the DCI format.
An embodiment of the present invention provides an information transmission method, as shown in fig. 2, the method includes:
step 201: the network equipment sends indication information;
step 202: the terminal receives the indication information; and determining a search space of a control channel carrying energy-saving information by using the indication information.
It should be noted that, the specific processing procedures of the network device and the terminal have been described in detail above, and are not described herein again.
According to the scheme provided by the embodiment of the invention, the network equipment sends the indication information; the terminal receives the indication information; and determining a search space of the control channel carrying the energy-saving information by using the indication information, and indicating the terminal to detect the search space of the control channel carrying the energy-saving information by sending the indication information, so that the configuration of the search space of the energy-saving control channel can be realized.
In addition, the USS is adopted as the indication information, so that the service characteristics of the user can be better adapted.
In order to implement the method according to the embodiment of the present invention, an information transmission apparatus is provided in an embodiment of the present invention, and is disposed on a network device, as shown in fig. 3, the apparatus includes:
a transmitting unit 31 for transmitting the instruction information; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
In an embodiment, as shown in fig. 3, the apparatus may further include: a processing unit 32, configured to carry the indication information through RRC configuration information.
In an embodiment, the processing unit 32 sets the indication information in a control channel configuration IE in RRC signaling.
In an embodiment, the processing unit 32 sets the indication information in a search space configuration in RRC signaling.
In practical application, the sending unit 31 may be implemented by a communication interface in an information transmission device; the processing unit 32 may be implemented by a processor in an information transmission device.
In order to implement the method on the terminal side according to the embodiment of the present invention, an embodiment of the present invention provides an information transmission apparatus, which is disposed on a terminal, and as shown in fig. 4, the apparatus includes:
a receiving unit 41 configured to receive indication information;
a determining unit 42, configured to determine a search space of a control channel carrying energy saving information by using the indication information.
In an embodiment, the receiving unit 41 is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information.
In an embodiment, the determining unit 42 is further configured to obtain the indication information at a control channel configuration IE in RRC signaling.
In an embodiment, the determining unit 42 is further configured to obtain the indication information in a search space configuration in RRC signaling.
In an embodiment, the indication information is a DCI format of a control channel carrying energy saving information; the determining unit 42 is specifically configured to:
and determining the search space with the indication information in the information domain with the common search space type in the search space IE as the search space of the energy-saving control channel.
In an embodiment, the determining unit 42 is specifically configured to:
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
In an embodiment, when the indication information is located in an information field of the search space IE, where the search space type is specific to the user, the determining unit 42 is specifically configured to perform one of the following operations:
acquiring the indication information in an information domain at the same level as the search space Id; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; determining a search space of a control channel carrying energy-saving information by using the DCI format;
searching the enumeration value range of the DCI format in the information domain with the exclusive user space type in the search space IE to obtain the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; and determining a search space of a control channel carrying energy-saving information by using the DCI format.
In practical application, the receiving unit 41 may be implemented by a communication interface in an information transmission device; the determination unit 42 may be implemented by a processor in the information transmission apparatus.
It should be noted that: in the information transmission device provided in the above embodiment, when the information transmission process is performed, only the division of each program module is illustrated, and in practical applications, the process distribution may be completed by different program modules according to needs, that is, the internal structure of the device may be divided into different program modules to complete all or part of the process described above. In addition, the information transmission apparatus and the information transmission method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiments and are not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method on the network device side in the embodiment of the present invention, an embodiment of the present invention provides a network device, as shown in fig. 5, where the network device 50 includes:
a first communication interface 51 capable of performing information interaction with a terminal;
and the first processor 52 is connected with the first communication interface 51 to implement information interaction with a terminal, and is configured to execute a method provided by one or more technical solutions of the network device side when running a computer program. And the computer program is stored on the first memory 53.
Specifically, the first communication interface 51 is configured to send indication information under the control of the first processor 52; and the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information.
In an embodiment, the first processor 52 is configured to carry the indication information through RRC configuration information.
In an embodiment, the first processor 52 sets the indication information in a control channel configuration IE in RRC signaling.
In an embodiment, the first processor 52 sets the indication information in a search space configuration in RRC signaling.
It should be noted that: the specific processing procedures of the first processor 52 and the first communication interface 51 can be understood with reference to the above-described methods.
Of course, in practice, the various components in the network device 50 are coupled together by a bus system 54. It will be appreciated that the bus system 54 is used to enable communications among the components. The bus system 54 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 54 in fig. 5.
The first memory 53 in the embodiment of the present invention is used to store various types of data to support the operation of the network device 50. Examples of such data include: any computer program for operating on network device 50.
The method disclosed in the above embodiments of the present invention may be applied to the first processor 52, or implemented by the first processor 52. The first processor 52 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the first processor 52. The first Processor 52 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The first processor 52 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 53, and the first processor 52 reads the information in the first memory 53 and, in conjunction with its hardware, performs the steps of the foregoing method.
In an exemplary embodiment, the network Device 50 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
Based on the hardware implementation of the program module, and in order to implement the method on the terminal side in the embodiment of the present invention, an embodiment of the present invention provides a terminal, as shown in fig. 6, where the terminal 60 includes:
the second communication interface 61 can perform information interaction with the network equipment;
and the second processor 62 is connected to the second communication interface 61 to implement information interaction with a network device, and is configured to execute the method provided by one or more technical solutions of the terminal side when running a computer program. And the computer program is stored on the second memory 63.
Specifically, the second communication interface 61 is configured to receive indication information;
the second processor 62 is configured to determine a search space of a control channel carrying energy saving information by using the indication information.
In an embodiment, the second communication interface 61 is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information.
In an embodiment, the second processor 62 is further configured to obtain the indication information at a control channel configuration IE in RRC signaling.
In an embodiment, the second processor 62 is further configured to obtain the indication information in a search space configuration in RRC signaling.
In an embodiment, the indication information is a DCI format of a control channel carrying energy saving information; the second processor 62 is specifically configured to:
and determining the search space with the indication information in the information domain with the common search space type in the search space IE as the search space of the energy-saving control channel.
In an embodiment, the second processor 62 is specifically configured to:
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
In an embodiment, when the indication information is located in an information field of the search space IE, where the search space type is user-specific, the second processor 62 is specifically configured to perform one of the following operations:
acquiring the indication information in an information domain at the same level as the search space Id; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with the space type being exclusive to a user in the search space IE, wherein the information domain has the same level as the DCI format, and acquiring the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; determining a search space of a control channel carrying energy-saving information by using the DCI format;
searching the enumeration value range of the DCI format in the information domain with the exclusive user space type in the search space IE to obtain the indication information; the indication information is a DCI format of a control channel carrying energy-saving information; and determining a search space of a control channel carrying energy-saving information by using the DCI format.
It should be noted that: the specific processing of the second processor 62 and the second communication interface 61 can be understood with reference to the above-described method.
Of course, in practice, the various components in the terminal 60 are coupled together by a bus system 64. It will be appreciated that the bus system 64 is used to enable communications among the components. The bus system 64 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 64 in fig. 6.
The second memory 63 in the embodiment of the present invention is used to store various types of data to support the operation of the terminal 60. Examples of such data include: any computer program for operating on the terminal 60.
The method disclosed in the above embodiments of the present invention may be applied to the second processor 62, or implemented by the second processor 62. The second processor 62 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the second processor 62. The second processor 62 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 62 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 63, and the second processor 62 reads the information in the second memory 63 and, in conjunction with its hardware, performs the steps of the foregoing method.
In an exemplary embodiment, the terminal 60 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.
It will be appreciated that the memories (first memory 53, second memory 63) of embodiments of the present invention may be either volatile or non-volatile memories, and may include both volatile and non-volatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The described memory for embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an information transmission system, as shown in fig. 7, where the system includes:
a network device 71 for transmitting the indication information;
a terminal 72, configured to receive the indication information; and determining a search space of a control channel carrying energy-saving information by using the indication information.
It should be noted that the specific processing procedures of the network device 71 and the terminal 72 have been described in detail above, and are not described herein again.
In an exemplary embodiment, the present invention further provides a storage medium, specifically a computer-readable storage medium, for example, a first memory 53 storing a computer program, which is executable by the first processor 52 of the network device 50 to complete the steps of the aforementioned terminal-side method. For another example, the second memory 63 stores a computer program, which can be executed by the second processor 62 of the terminal 60 to perform the steps of the network device side method. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In addition, the technical solutions described in the embodiments of the present invention may be arbitrarily combined without conflict.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (13)

1. An information transmission method applied to a network device includes:
sending indication information; the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information; wherein, when the indication information is sent, the method comprises the following steps:
the indication information is carried through RRC configuration information;
when the indication information is carried through the RRC configuration information, the method further comprises:
setting the indication information in a control channel configuration information element IE in RRC signaling;
alternatively, the first and second electrodes may be,
setting the indication information in a search space configuration in RRC signaling; the indication information is located in an information field of which the search space type is common in the search space IE, the indication information is in a downlink control information format of a control channel carrying energy-saving information, or the indication information is located in an information field of which the search space type is exclusive to a user in the search space IE.
2. The method of claim 1, wherein when the indication information is set in a control channel configuration Information Element (IE) in RRC signaling, the indication information indicates an identifier of a search space of the control channel carrying energy saving information, or indicates a terminal to detect the control channel carrying energy saving information.
3. The method according to claim 1, wherein when the indication information is located in an information field of a search space IE with a search space type specific to a user, the location of the indication information in the search space IE satisfies one of:
the indication information is in an information domain at the same level as the search space Id; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space or the existence of the indication information indicates that the terminal detects the control channel carrying energy-saving information;
the indication information searches an information domain with a special user space type in a search space IE, and the information domain has the same level as the downlink control information format; the indication information indicates whether a control channel carrying energy-saving information is detected in a corresponding search space or the presence of the indication information indicates that the UE detects the control channel carrying energy-saving information;
the indication information is an information domain with a special user space type in a search space IE and the information domain has the same level with a downlink control information format, and the indication information is the downlink control information format of the control channel carrying the energy-saving information;
the indication information is in an enumeration value range of a downlink control information format in an information domain with a search space type exclusive to a user in a search space IE, and the indication information is in the downlink control information format of the control channel carrying the energy-saving information.
4. An information transmission method is applied to a terminal, and comprises the following steps:
receiving indication information;
determining a search space of a control channel carrying energy-saving information by using the indication information; wherein the content of the first and second substances,
the receiving indication information includes:
receiving RRC configuration information; the RRC configuration information carries the indication information;
when the RRC configuration information is received, the method comprises the following steps:
obtaining the indication information at a control channel configuration IE in RRC signaling;
alternatively, the first and second electrodes may be,
obtaining the indication information in a search space configuration in RRC signaling; wherein the content of the first and second substances,
when the indication information is obtained in the search space configuration in the RRC signaling, the determining, by using the indication information, the search space of the control channel carrying the energy saving information includes:
determining a search space with indication information in an information domain with a common search space type in the search space IE as an energy-saving control channel search space; the indication information is a downlink control information format of a control channel carrying energy-saving information;
alternatively, the first and second electrodes may be,
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
5. The method as claimed in claim 4, wherein the determining the search space of the control channel carrying the energy saving information by using the indication information when obtaining the indication information at the control channel configuration IE in the RRC signaling comprises:
determining a search space of the control channel carrying the energy-saving information by using the identifier of the search space of the control channel carrying the energy-saving information indicated by the indication information;
alternatively, the first and second electrodes may be,
and determining to detect the control channel carrying the energy-saving information by using the indication information, and determining a search space of the control channel carrying the energy-saving information based on the configured search space.
6. The method according to claim 4, wherein when obtaining the indication information in an information field of which search space type is user-specific in a search space IE, the method comprises one of:
acquiring the indication information in an information domain at the same level as the search space Id; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with a special user space type and the same level of downlink control information format in a search space IE to acquire the indication information; judging whether to detect a control channel carrying energy-saving information in a corresponding search space or not by using the indication information, or determining to detect the control channel carrying energy-saving information when the indication information is acquired;
searching an information domain with a special space type for a user in the search space IE, wherein the information domain has the same level as the downlink control information format, and acquiring the indication information; the indication information is a downlink control information format of a control channel carrying energy-saving information; determining a search space of a control channel carrying energy-saving information by using the downlink control information format;
searching an enumeration value range of a downlink control information format in an information domain with a special user space type in the search space IE to obtain the indication information; the indication information is a downlink control information format of a control channel carrying energy-saving information; and determining a search space of a control channel carrying energy-saving information by using the downlink control information format.
7. An information transmission apparatus, comprising:
a transmitting unit configured to transmit the instruction information; the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information; wherein the content of the first and second substances,
the device further comprises: the processing unit is used for bearing the indication information through RRC configuration information;
the processing unit sets the indication information in a control channel configuration information element IE in an RRC signaling; or, the indication information is set in the search space configuration in the RRC signaling; the indication information is located in an information field of which the search space type is common in the search space IE, the indication information is in a downlink control information format of a control channel carrying energy-saving information, or the indication information is located in an information field of which the search space type is exclusive to a user in the search space IE.
8. An information transmission apparatus, comprising:
a receiving unit for receiving the indication information;
a determining unit, configured to determine a search space of a control channel carrying energy saving information by using the indication information; wherein the content of the first and second substances,
the receiving unit is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information;
the receiving unit is further configured to: obtaining the indication information at a control channel configuration IE in RRC signaling;
alternatively, the first and second electrodes may be,
obtaining the indication information in a search space configuration in RRC signaling;
wherein the receiving unit is specifically configured to:
determining a search space with indication information in an information domain with a common search space type in the search space IE as an energy-saving control channel search space; the indication information is a DCI format of a control channel carrying energy-saving information
Alternatively, the first and second electrodes may be,
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
9. A network device, comprising: a first processor and a first communication interface; wherein the content of the first and second substances,
the first communication interface is used for sending indication information under the control of the first processor; the indication information is used for the terminal to determine the search space of the control channel carrying the energy-saving information;
the first processor is configured to carry the indication information through RRC configuration information; wherein the content of the first and second substances,
the first processor is configured to set the indication information in a control channel configuration information element, IE, in RRC signaling;
alternatively, the first and second electrodes may be,
setting the indication information in a search space configuration in RRC signaling; the indication information is located in an information field of which the search space type is common in the search space IE, the indication information is in a downlink control information format of a control channel carrying energy-saving information, or the indication information is located in an information field of which the search space type is exclusive to a user in the search space IE.
10. A terminal, comprising:
the second communication interface is used for receiving the indication information;
a second processor, configured to determine a search space of a control channel carrying energy saving information by using the indication information; wherein the content of the first and second substances,
the second communication interface is specifically configured to:
receiving RRC configuration information; the RRC configuration information carries the indication information;
wherein the second communication interface is configured to obtain the indication information at a control channel configuration IE in RRC signaling;
alternatively, the first and second electrodes may be,
obtaining the indication information in a search space configuration in RRC signaling;
the second processor to:
determining a search space with indication information in an information domain with a common search space type in the search space IE as an energy-saving control channel search space; the indication information is a downlink control information format of a control channel carrying energy-saving information;
alternatively, the first and second electrodes may be,
and obtaining the indication information in an information domain with a search space type exclusive to the user in the search space IE.
11. A network device, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is adapted to perform the steps of the method of any one of claims 1 to 3 when running the computer program.
12. A terminal, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is adapted to perform the steps of the method of any of claims 4 to 6 when running the computer program.
13. 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 method of any one of claims 1 to 3, or carries out the steps of the method of any one of claims 4 to 6.
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