CN110048819B - Information sending and receiving method, network equipment and user equipment - Google Patents

Information sending and receiving method, network equipment and user equipment Download PDF

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Publication number
CN110048819B
CN110048819B CN201810036193.4A CN201810036193A CN110048819B CN 110048819 B CN110048819 B CN 110048819B CN 201810036193 A CN201810036193 A CN 201810036193A CN 110048819 B CN110048819 B CN 110048819B
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rmsi
rmsi control
control resource
resources
synchronization block
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CN110048819A (en
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倪吉庆
周伟
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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/CN2019/070497 priority patent/WO2019137314A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/0008—Wavelet-division
    • 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
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04W72/04—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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses an information sending and receiving method, a network device, a user device, a communication device and a storage medium, wherein the method comprises the following steps: sending control information in control resources where the remaining system information RMSI control resource set is located, wherein the control information is at least used for indicating the position of time-frequency resources where the remaining system information RMSI is located; wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.

Description

Information sending and receiving method, network equipment and user equipment
Technical Field
The present invention relates to information processing technology in the field of communications, and in particular, to an information transmitting and receiving method, a network device, a user device, a communication device, and a storage medium.
Background
In the current 5G standardization, a synchronization block (SS block) contains synchronization signals and system broadcast information. The default period is 20ms when the terminal is used for initial cell selection, and the terminal synchronization period can be configured to be 5ms, 10ms or 20ms after the terminal is accessed into the system. Unlike LTE, the 5G standard defines a variety of subcarrier spacings due to the increased range of application bandwidths. For both the sync channel and the broadcast channel (such as shown in fig. 1), 15kHz, 30kHz subcarrier spacing is used below 6GHz, and 120kHz, 240kHz subcarrier spacing is used above 6 GHz. On the other hand, as the carrier frequency is increased, the path loss and the fading are increased, and in order to ensure a certain coverage area of a cell, the concept of beamforming is introduced in the 5G standard. However, the signal width after beamforming is limited, and omni-directional coverage cannot be achieved.
Disclosure of Invention
The present invention is directed to an information sending and receiving method, a network device, a user equipment, a communication device, and a storage medium, which are used to solve the above-mentioned problems in the prior art.
In order to achieve the above object, the present invention provides an information sending method, applied to a network device, the method including:
sending control information in the control resource where the RMSI control resource set is located, wherein the control information is at least used for indicating the position of the time-frequency resource where the rest system information RMSI is located;
wherein the number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block. And the number of beams corresponding to the RMSI control resource sets is the same as the number of beams corresponding to the synchronization blocks, and each RMSI control resource set is associated with one synchronization block, and the two are at least spatial quasi co-located qcleds.
The invention provides an information receiving method, which is applied to terminal equipment and comprises the following steps:
receiving control information sent by a network side in a control resource where an RMSI control resource set is located, wherein the control information is at least used for indicating the position of a time-frequency resource where the rest system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The present invention provides a network device, comprising:
a transmission unit, configured to send control information in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The present invention provides a network device, comprising:
a first communication interface, configured to send control information in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The invention provides a terminal device, which comprises:
a receiving unit, configured to receive control information sent by a network side in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The present invention provides a terminal device, including:
a second communication interface, configured to receive control information sent by a network side in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The present invention provides a communication device comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method when running the computer program.
The present invention provides a storage medium having a computer program stored thereon, wherein the computer program realizes the steps of the aforementioned method when executed by a processor.
The invention provides an information sending and receiving method, network equipment, user equipment, communication equipment and a storage medium, wherein the number of wave beams corresponding to an RMSI control resource set and the number of wave beams corresponding to a synchronous block are mutually corresponding, and control information is sent in the control resources of the RMSI control resource set to indicate the time-frequency resources of the rest system information; therefore, the transmission mode of transmitting the residual system information by adopting a multi-beam scanning mode is realized, and thus, the omni-directional coverage in a cell can be effectively realized to improve the coverage performance in the system.
Drawings
FIG. 1 is a schematic diagram of the design of a synchronization channel and a broadcast channel according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for sending information according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an RMSI control resource set multi-beam time-frequency pattern design 1 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an RMSI control resource set multi-beam time-frequency pattern design according to an embodiment of the present invention 2;
FIG. 5 is a schematic diagram of an RMSI control resource set multi-beam time-frequency pattern design according to an embodiment of the present invention 3;
fig. 6 is a schematic diagram 1 of a network device according to an embodiment of the present invention;
fig. 7 is a schematic diagram 2 of a network device structure according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
The first embodiment,
The embodiment of the invention provides an information sending method, which is applied to network equipment and comprises the following steps: sending control information in the control resource where the RMSI control resource set is located, wherein the control information is at least used for indicating the position of the time-frequency resource where the rest system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block.
The sending of the control information in the control resource where the RMSI control resource set is located may be sending the RMSI in a sending period of the remaining system information RMSI.
Correspondingly, the number of beams corresponding to the RMSI control resource set may be the same as the number of beams corresponding to the synchronization block in one synchronization period, and the number of beams corresponding to the RMSI control resource set included in the transmission period of the RMSI control resource set may be the same as the number of beams corresponding to the synchronization block in the one synchronization period. Wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed.
Specifically, as shown in fig. 2, the method includes:
step 201: the number of the wave beams corresponding to the RMSI control resource set in the RMSI sending period is the same as that of the wave beams corresponding to the synchronous block in the synchronous block sending period; wherein the sending period of the RMSI is a positive integer multiple of the sending period of the synchronization block; each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed; the number of ports of each set of RMSI control resources is the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule;
step 202: and sending control information in the control resource where the RMSI control resource set is located, wherein the control information is at least used for indicating the position of the time-frequency resource where the rest system information RMSI is located.
The scheme provided by the embodiment can support that the terminal continues to read the RMSI control resource set to acquire the time-frequency position of the remaining system information after completing synchronization and reading the broadcast information, and further acquires the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal recognizes the beam direction of the RMSI control resource set and receives the beam correctly.
RMSI controls resource set multi-beam design, its basic idea mainly includes:
control information is sent in the control resources where the RMSI control resource set is located, and the control information indicates the time-frequency position where the rest system information is located;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the transmission period of the RMSI is a positive integer multiple of the transmission period of the synchronization block.
For example, the number of beams corresponding to the RMSI control resource set in one period may be the same as the number of beams corresponding to the synchronization block in one period, and specifically includes:
the period of the set of RMSI control resources is an integer multiple of the period of the synchronization block; for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
In addition, each set of RMSI control resources is associated with one synchronization block and both are at least spatially quasi co-located qcleds.
RMSI control resource set multi-beam time-frequency pattern design specifically includes:
designing one, the number of ports of each set of RMSI control resources is the same as the number of ports of one synchronization block; and the ports in the control resources where each RMSI control resource set is located are sequentially associated with the ports in one synchronization block according to a characteristic rule. In a transmission period of one RMSI, the set of RMSI control resources and the associated synchronization block are transmitted in the same time slot, respectively.
Two sets of RMSI control resources are respectively positioned in the first two OFDM symbols in a time slot containing two synchronous blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
Specifically, in a transmission period of one RMSI control resource set, the RMSI control resource set is set in the first two symbols in the first slot containing two synchronization blocks, respectively;
wherein the beam corresponding to the set of RMSI control resources corresponds to a beam of a synchronization block in the first slot.
The time slot (i.e. the time slot containing the RMSI control resource sets) contains two synchronization blocks, the first two symbols of the time slot have one RMSI control resource set respectively, and the beam of each RMSI control resource set corresponds to the beam of one synchronization block in the time slot;
as shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
That is, in one RMSI transmission period, two sets of RMSI control resources are set in one slot containing two synchronization blocks;
wherein the beams of the two sets of RMSI control resources are associated with beams corresponding to two synchronization blocks within the time slot, respectively.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
the set of RMSI control resources and associated synchronization blocks are transmitted in different time slots, respectively.
The set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
Specifically, in one RMSI transmission period, the set of RMSI control resources with the same beam direction and the synchronization block are transmitted in different time slots, respectively. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Individual RMSI control resourceSet of where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M;
the M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulating a control channel and a data channel, and finally acquiring the remaining system information; the scheme realizes a multi-beam scanning mode, and can effectively realize omni-directional coverage in a cell so as to improve the coverage performance of the system.
Example II,
The embodiment of the invention provides an information sending method, which is applied to terminal equipment and comprises the following steps: control information sent in the control resource where the RMSI control resource set is located, wherein the control information is at least used for indicating the position of the time-frequency resource where the rest system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block.
Specifically, the set of RMSI control resources may be received within one RMSI transmission period; the set of RMSI control resources is used at least to indicate remaining system information RMSI;
the number of the RMSI control resource sets contained in the transmission period of the RMSI control resource set is the same as the number of the beams of the synchronization block in one synchronization period.
Specifically, the sending period of the RMSI is a positive integer multiple of the synchronization period.
The scheme provided by the embodiment can support that the terminal continues to read the RMSI control resource set to acquire the time-frequency position of the remaining system information after completing synchronization and reading the broadcast information, and further acquires the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal identifies the beam direction of the RMSI control resource set and correctly receives the beam.
RMSI control resource set multi-beam design, its basic idea mainly includes:
control information is sent in the control resources where the RMSI control resource set is located, and the control information indicates the time-frequency position where the rest system information is located;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the number of beams corresponding to the RMSI control resource set in one period is the same as the number of beams of the synchronization block in one period, which specifically includes:
the period of the set of RMSI control resources is an integer multiple of the period of the synchronization block; for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
In addition, each set of RMSI control resources is associated with one synchronization block and both are at least spatially quasi co-located qcleds.
RMSI control resource sets multi-beam time-frequency pattern design, the number of ports of each RMSI control resource set being the same as the number of ports in the one synchronization block; and the ports in the control resources where each RMSI control resource set is located are sequentially associated with the ports in one synchronization block according to a characteristic rule.
The method specifically comprises the following steps:
in the design of the method, firstly,
the number of ports of each set of RMSI control resources is the same as the number of ports of the one synchronization block; and the ports in the control resources where each RMSI control resource set is located are sequentially associated with the ports in one synchronization block according to a characteristic rule. In a transmission period of one RMSI, the set of RMSI control resources and the associated synchronization block are transmitted in the same time slot, respectively.
Two sets of RMSI control resources are respectively positioned in the first two OFDM symbols in a time slot containing two synchronous blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
Specifically, a time slot containing two sets of RMSI control resources contains two synchronization blocks, the first two symbols of the time slot have one set of RMSI control resources, and the beam domain of each set of RMSI control resources corresponds to the beam of one synchronization block in the time slot;
as shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
That is, in one RMSI transmission period, two sets of RMSI control resources are set in one slot containing two synchronization blocks.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
the sets of RMSI control resources and associated synchronization blocks are transmitted in different time slots, respectively.
The set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
Specifically, in one RMSI transmission period, the RMSI control resource sets and the synchronization blocks with the same beam direction are transmitted in different time slots, respectively. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Each RMSI controls a set of resources, where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M;
the M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulation of the control channel and the data channel, and finally acquire the remaining system information; the scheme realizes the transmission of the residual system information in a multi-beam scanning mode, and can effectively realize the omni-directional coverage in the cell so as to improve the coverage performance of the system.
Example III,
An embodiment of the present invention provides a network device, as shown in fig. 6, including:
a transmission unit 61, configured to send control information in a control resource where the RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where the remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block.
Specifically, in one RMSI transmission period, the control information may be transmitted in the RMSI control resource set; the control information is at least used for indicating remaining system information RMSI;
the number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block. Wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed.
Wherein, the sending period of the RMSI is a positive integer multiple of the synchronous sending period;
the scheme provided by this embodiment can support the terminal to continue reading the control information in the control resource where the RMSI control resource set is located after completing synchronization and reading the broadcast information, so as to obtain the time-frequency position of the remaining system information, and further obtain the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal recognizes the beam direction of the RMSI control resource set and receives the beam correctly.
The network device may further include, for the RMSI control resource set multi-beam design: a processing unit 52, configured to control, through the control information sent in the RMSI control resource set, the control information indicates a time-frequency position where remaining system information is located;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the number of beams corresponding to the RMSI control resource set in one period may be the same as the number of beams corresponding to the synchronization block in one period, and specifically includes:
the period of the set of RMSI control resources is an integer multiple of the period of the synchronization block; for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
RMSI control resource set multi-beam time-frequency pattern design specifically includes:
designing one, the processing unit 62 controls the number of ports of each RMSI control resource set to be the same as the number of ports in the one synchronization block; and the corresponding port in the control resource of each RMSI control resource set is sequentially associated with the port in one synchronous block according to a characteristic rule.
And two sets of RMSI control resources are respectively located in the first two OFDM symbols in a time slot containing two synchronization blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
The time slot (i.e. the time slot containing the RMSI control resource sets) contains two synchronization blocks, the first two symbols of the time slot have one RMSI control resource set respectively, and the beam of each RMSI control resource set corresponds to the beam of one synchronization block in the time slot;
as shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
In one transmission period of the RMSI, two sets of RMSI control resources are set in one slot containing two synchronization blocks.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 OFDM symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
a processing unit 62, configured to control the sets of RMSI control resources and the associated synchronization blocks to be transmitted in different time slots, respectively. And controlling the set of RMSI control resources to be located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
In one RMSI transmission period, the RMSI control resource sets with the same beam direction and the synchronization blocks are respectively transmitted in different time slots. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Each RMSI controls a set of resources, where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M;
the M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulation of the control channel and the data channel, and finally acquire the remaining system information; the scheme adopts a multi-beam scanning mode to transmit the residual system information, and can effectively realize the omni-directional coverage in the cell so as to improve the coverage performance of the system.
Example four,
An embodiment of the present invention provides a network device, as shown in fig. 7, including:
a first communication interface 71, configured to send control information in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block. Each set of RMSI control resources is associated with one synchronization block and both are at least spatially quasi co-located qcleds.
Wherein the transmission period of the RMSI control resource set is an integer multiple of the transmission period of the synchronization block.
The scheme provided by the embodiment can support that the terminal continues to read the RMSI control resource set to acquire the time-frequency position of the remaining system information after completing synchronization and reading the broadcast information, and further acquires the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal identifies the beam direction of the RMSI control resource set and correctly receives the beam.
The network device may further include, for the RMSI control resource set multi-beam design: a processing unit 52, configured to control, through the control information sent in the control resource where the RMSI control resource set is located, the control information indicates a time-frequency position where remaining system information is located;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the number of beams of the sets of RMSI control resources in a period is the same as the number of beams of the synchronization blocks in a period, characterized in that each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The method specifically comprises the following steps:
the period of RMSI transmission is integral multiple of the period of synchronous block transmission; for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
The network device further includes:
a first processor 72 for controlling the number of ports of each set of RMSI control resources to be the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule.
RMSI control resource set multi-beam time-frequency pattern design specifically includes:
design one, the first processor 72 is configured to control the number of ports of each set of RMSI control resources to be the same as the number of ports of the one synchronization block; and the corresponding port in the control resource of each RMSI control resource set is sequentially associated with the port in one synchronous block according to a characteristic rule. In a transmission period of RMSI, the RMSI control resource sets and the associated synchronization blocks are respectively transmitted in the same time slot;
two sets of RMSI control resources are respectively positioned in the first two OFDM symbols in a time slot containing two synchronous blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
The time slot containing two RMSI control resource sets comprises two synchronous blocks, the first two symbols of the time slot are respectively provided with one RMSI control resource set, and the beam domain of each RMSI control resource set corresponds to the beam of one synchronous block in the time slot;
as shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
That is, in one RMSI transmission period, two sets of RMSI control resources are set in one slot containing two synchronization blocks.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
a first processor 72 configured to control the sets of RMSI control resources and the associated synchronization blocks to be transmitted in different time slots, respectively. Control the set of RMSI control resources to be located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
In one RMSI transmission period, the RMSI control resource sets with the same beam direction and the synchronization blocks are respectively transmitted in different time slots. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Each RMSI controls a set of resources, where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M;
the M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulation of the control channel and the data channel, and finally acquire the remaining system information; the scheme realizes the transmission of residual system information by adopting a multi-beam scanning mode, and can effectively realize the omni-directional coverage in the cell so as to improve the coverage performance of the system.
Example V,
An embodiment of the present invention provides a terminal device, including: a receiving unit, configured to receive control information sent by a network side in a control resource where an RMSI control resource set is located, where the control information is at least used to indicate a location of a time-frequency resource where remaining system information RMSI is located;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block.
Specifically, the set of RMSI control resources may be received within one RMSI transmission period; the set of RMSI control resources is used at least to indicate remaining system information RMSI;
the number of the RMSI control resource sets contained in the transmission period of the RMSI control resource set is the same as the number of the beams of the synchronization block in one synchronization period.
The scheme provided by the embodiment can support that the terminal continues to read the RMSI control resource set to acquire the time-frequency position of the remaining system information after completing synchronization and reading the broadcast information, and further acquires the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal identifies the beam direction of the RMSI control resource set and correctly receives the beam.
RMSI control resource set multi-beam design, its basic idea mainly includes:
controlling the control information sent in the resource set by the RMSI, wherein the control information indicates the time-frequency position of the rest system information;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the number of beams of the sets of RMSI control resources in a period is the same as the number of beams of the synchronization blocks in a period, characterized in that each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed.
The method specifically comprises the following steps:
the period of the set of RMSI control resources is an integer multiple of the period of the synchronization block; for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
RMSI control resource set multi-beam time-frequency pattern design specifically includes:
in the design of the method, firstly,
the number of ports of each set of RMSI control resources is the same as the number of ports of the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule. In a transmission period of one RMSI, the set of RMSI control resources and the associated synchronization block are transmitted in the same time slot, respectively.
Two sets of RMSI control resources are respectively positioned in the first two OFDM symbols in a time slot containing two synchronous blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
A receiving unit, configured to receive control information in two RMSI control resource sets in a timeslot, where the timeslot includes two synchronization blocks, and two symbols in front of the timeslot respectively have one RMSI control resource set, and a beam domain of each RMSI control resource set corresponds to a beam of one synchronization block in the timeslot.
As shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
That is, in one RMSI transmission period, two sets of RMSI control resources are set in one slot containing two synchronization blocks.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
the sets of RMSI control resources and associated synchronization blocks are transmitted in different time slots, respectively.
The set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
In one RMSI transmission period, the RMSI control resource sets with the same beam direction and the synchronization blocks are respectively transmitted in different time slots. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Each RMSI controls a set of resources, where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M;
the M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulation of the control channel and the data channel, and finally acquire the remaining system information; the scheme realizes a multi-beam scanning mode, transmits residual system information, and can effectively realize omni-directional coverage in a cell so as to improve the coverage performance of the system.
Example six,
An embodiment of the present invention provides a terminal device, including: a second communication interface, which receives the RMSI control resource set in the sending period of the RMSI control resource set; the set of RMSI control resources is used at least to indicate remaining system information RMSI;
wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The number of beams corresponding to the RMSI control resource set is the same as the number of beams corresponding to the synchronization block.
Specifically, the set of RMSI control resources may be received within one RMSI transmission period; the set of RMSI control resources is used at least to indicate remaining system information RMSI;
the number of the RMSI control resource sets contained in the transmission period of the RMSI control resource set is the same as the number of the beams of the synchronization block in one synchronization period. Characterized in that each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located qcleds.
The scheme provided by the embodiment can support that the terminal continues to read the RMSI control resource set to acquire the time-frequency position of the remaining system information after completing synchronization and reading the broadcast information, and further acquires the remaining system information RMSI. The RMSI control resource set is similar to the synchronization channel and the broadcast channel, and it also needs to implement omni-directional coverage in the cell by means of beam scanning, so how the terminal identifies the beam direction of the RMSI control resource set and correctly receives the beam.
RMSI control resource set multi-beam design, its basic idea mainly includes:
controlling the control information sent in the resource set by the RMSI, wherein the control information indicates the time-frequency position of the rest system information;
or, carrying the RMSI through the set of RMSI control resources; that is, the set of control resources occupied by the RMSI directly carries the remaining system information.
It should be further noted that, in one RMSI transmission period, control information is transmitted in an RMSI control resource set corresponding to at least one beam; wherein the spatial indication direction of each of the at least one beam may be the same or different, depending on the direction of the beam of the synchronization block; and the RMSI contained in the time-frequency resource indicated by each beam is the same. That is, there are sets of RMSI control resources of multiple beams in a period, each beam spatial pointing direction depends on the normal direction of the associated synchronization block, but the remaining system information contained in the time-frequency resources indicated by the set of RMSI control resources corresponding to each beam is the same.
Further, the number of beams of the sets of RMSI control resources in a period is the same as the number of beams of the synchronization blocks in a period, characterized in that each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed.
The period of the set of RMSI control resources is an integer multiple of the period of the synchronization block; the method specifically comprises the following steps:
for example, if the synchronization block period is 5ms, the period of the RMSI control resource set is an integer multiple of 5 ms; if the synchronization block period is 10ms, the period of the set of RMSI control resources is an integer multiple of 10 ms.
RMSI control resource sets multi-beam time-frequency pattern design, the number of ports of each RMSI control resource set being the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronization block according to a feature rule, specifically including:
design one,
The number of ports of each set of RMSI control resources is the same as the number of ports of the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule. In a transmission period of one RMSI, the set of RMSI control resources and the associated synchronization block are transmitted in the same time slot, respectively.
Two sets of RMSI control resources are respectively positioned in the first two OFDM symbols in a time slot containing two synchronous blocks;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
Specifically, a time slot for sending two RMSI control resource sets includes two synchronization blocks, two symbols in front of the time slot have one RMSI control resource set, and a beam domain of each RMSI control resource set corresponds to a beam of one synchronization block in the time slot;
as shown in fig. 3: the RMSI control resource sets with the same beam direction and an associated synchronization block are sent in the same time slot, the RMSI control resource sets are positioned on the first two symbols of the time slot, and the RMSI control resource set corresponding to each beam direction occupies 1 OFDM symbol. May have the same design for different subcarrier spacing and traffic scenarios.
Design two,
The set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the previous one or two OFDM symbols in a slot containing two synchronization blocks; the second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively. That is, in one RMSI transmission period, two sets of RMSI control resources are set in one slot containing two synchronization blocks.
The time slot comprises two synchronous blocks, one or two OFDM symbols before the time slot have a first RMSI control resource set, and correspond to the wave beam of one synchronous block; the middle one or two OFDM symbols have a second set of RMSI control resources and correspond to the beams of a synchronization block.
As shown in fig. 4: the RMSI control resource sets with the same beam direction and the synchronization blocks are sent in the same time slot, and each RMSI control resource set corresponding to each beam direction occupies 2 symbols. Have different designs for different subcarrier spacing and traffic scenarios.
Designing three steps:
the set of RMSI control resources and associated synchronization blocks are transmitted in different time slots, respectively.
The set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
In one RMSI transmission period, the RMSI control resource sets with the same beam direction and the synchronization blocks are respectively transmitted in different time slots. That is, the time slot does not contain a synchronization block, and in the time slot containing the RMSI control resource set, the RMSI control resource set is set on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer. Specifically, each set of RMSI control resources occupies one OFDM symbol or two OFDM symbols.
In the design, M time slots in one residual system information broadcasting period are provided, wherein M is a positive integer; sum (n)i) Each RMSI controls a set of resources, where niIndicating the number of sets of RMSI control resources in the ith time slot, i is 1, … M; (ii) a
The M time slots are consecutive in time, or non-consecutive;
the period and slot offset of the RMSI control resource set transmission are pre-configured to be fixed or configurable through system information or higher layer signaling. In addition, the user can know the period and the time slot offset of the RMSI control resource set transmission corresponding to one secondary synchronization channel through system configuration or high layer signaling.
As shown in fig. 5: the sets of RMSI control resources and synchronization blocks with the same beam direction are sent in different time slots, which may have the same design for different subcarrier spacing and traffic scenarios.
Therefore, by adopting the scheme, the beam corresponding to the RMSI control resource set can be associated with the beam corresponding to the synchronization block, and the spatial channel has a certain degree of association due to the correspondence of the beams, so that the terminal side can acquire channel information based on the synchronization block, and the acquired channel information can be further used for demodulation of the control channel and the data channel, and finally acquire the remaining system information; the scheme realizes the transmission of residual system information by adopting a multi-beam scanning mode, and can effectively realize the omni-directional coverage in the cell so as to improve the coverage performance of the system.
Further, the present application also provides a communication device, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of one of the embodiments of the method when running the computer program. And the processor can execute the steps of the method provided in any one of the first to second embodiments, which are not described herein again.
The present application further provides a storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of any one of the first to second embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, an apparatus, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (22)

1. An information sending method is applied to a network device, and the method comprises the following steps:
the number of the wave beams corresponding to the RMSI control resource set in the sending period of the rest system information RMSI is the same as the number of the wave beams corresponding to the synchronous block in the sending period of the synchronous block; wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed;
sending control information in the control resource where the RMSI control resource set corresponding to at least one beam is located in the RMSI sending period, wherein the control information is at least used for indicating the position of the time-frequency resource where the rest system information RMSI is located; the spatial indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
2. The method of claim 1, wherein a transmission period of the RMSI is a positive integer multiple of the synchronization block transmission period.
3. The method of claim 1, wherein the number of ports per set of RMSI control resources is the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule.
4. The method of claim 1, wherein the set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
5. An information receiving method is applied to terminal equipment, and the method comprises the following steps:
receiving control information sent by a network side in a control resource where an RMSI control resource set corresponding to at least one beam is located in a transmission period of the remaining system information RMSI, wherein the control information is at least used for indicating the position of a time-frequency resource where the remaining system information RMSI is located;
the number of beams corresponding to the RMSI control resource set in the transmission period of the residual system information RMSI is the same as the number of beams corresponding to the synchronization block in the transmission period of the synchronization block; each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed; the space indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
6. The method of claim 5, wherein the transmission period of the RMSI is a positive integer multiple of the synchronization block transmission period.
7. The method of claim 5, wherein the number of ports per set of RMSI control resources is the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule.
8. The method of claim 5, wherein the set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
9. A network device, comprising:
a transmission unit configured to set the number of beams corresponding to the RMSI control resource set in the remaining system information RMSI transmission period to be the same as the number of beams corresponding to the synchronization block in the synchronization block transmission period; wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed;
the method further comprises the step of sending control information in a control resource where an RMSI control resource set corresponding to at least one beam is located in the RMSI sending period, wherein the control information is at least used for indicating the position of a time-frequency resource where the rest system information RMSI is located; the spatial indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
10. A network device, comprising:
a first communication interface configured to set a number of beams corresponding to the RMSI control resource set in a remaining system information RMSI transmission period to be the same as a number of beams corresponding to a synchronization block in a synchronization block transmission period; wherein each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed;
the method further comprises the step of sending control information in a control resource where an RMSI control resource set corresponding to at least one beam is located in the RMSI sending period, wherein the control information is at least used for indicating the position of a time-frequency resource where the rest system information RMSI is located; the spatial indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
11. The network device of claim 10, wherein a transmission period of the RMSI is a positive integer multiple of the synchronization block transmission period.
12. The network device of claim 10, wherein the network device further comprises:
a first processor configured to control the number of ports of each set of RMSI control resources to be the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule.
13. The network device of claim 10, wherein a first processor is configured to control the set of RMSI control resources to be located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
14. A terminal device, the terminal device comprising:
a receiving unit, configured to receive control information sent by a network side in a control resource where an RMSI control resource set corresponding to at least one beam is located in a remaining system information RMSI sending period, where the control information is at least used to indicate a location of a time-frequency resource where the remaining system information RMSI is located;
the number of beams corresponding to the RMSI control resource set in the transmission period of the residual system information RMSI is the same as the number of beams corresponding to the synchronization block in the transmission period of the synchronization block; each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed; the space indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
15. A terminal device, wherein the terminal device comprises:
a second communication interface, configured to receive control information sent by a network side in a control resource where an RMSI control resource set corresponding to at least one beam is located in a remaining system information RMSI sending period, where the control information is at least used to indicate a location of a time-frequency resource where the remaining system information RMSI is located;
the number of beams corresponding to the RMSI control resource set in the transmission period of the residual system information RMSI is the same as the number of beams corresponding to the synchronization block in the transmission period of the synchronization block; each set of RMSI control resources is associated with a synchronization block and both are at least spatially quasi co-located QCLed; the space indication direction of each beam in the at least one beam is determined according to the direction of the beam of the associated synchronization block, and the RMSIs contained in the time-frequency resources indicated by the RMSI control resource set corresponding to each beam are the same; and the sets of RMSI control resources and associated synchronization blocks are sent in different time slots, respectively.
16. The terminal device of claim 15, wherein the transmission period of the RMSI is a positive integer multiple of the synchronization block transmission period.
17. The terminal device of claim 15, wherein the number of ports of each set of RMSI control resources is the same as the number of ports in the one synchronization block; and the ports in each RMSI control resource set are sequentially associated with the ports in one synchronous block according to a characteristic rule.
18. The terminal device of claim 15, wherein two sets of RMSI control resources are located within the first two OFDM symbols in one slot containing two synchronization blocks, respectively;
wherein the sets of RMSI control resources occupy one OFDM symbol, respectively, and two sets of RMSI control resources are associated with two synchronization blocks in the slot in sequence.
19. The terminal device of claim 15, wherein the set of RMSI control resources comprises at least: a first set of RMSI control resources and a second set of RMSI control resources;
wherein the first set of RMSI control resources is located in the first one or two OFDM symbols in a slot containing two synchronization blocks; a second set of RMSI control resources is located in the middle one or two OFDM symbols in the slot;
wherein the first set of RMSI control resources and the second set of RMSI control resources are sequentially associated with two synchronization blocks within the time slot, respectively.
20. The terminal device of claim 15, wherein the set of RMSI control resources is located on at least one OFDM symbol; and the time slot for sending the RMSI control resource set comprises n continuous RMSI control resource sets, wherein n is a positive integer.
21. A communication device, comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 8 when running the computer program.
22. A storage medium having a computer program stored thereon, wherein the computer program realizes the steps of the method of any one of claims 1-8 when executed by a processor.
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