WO2018201830A1 - Procédé et dispositif de configuration de ressources, support de stockage et processeur - Google Patents

Procédé et dispositif de configuration de ressources, support de stockage et processeur Download PDF

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Publication number
WO2018201830A1
WO2018201830A1 PCT/CN2018/081466 CN2018081466W WO2018201830A1 WO 2018201830 A1 WO2018201830 A1 WO 2018201830A1 CN 2018081466 W CN2018081466 W CN 2018081466W WO 2018201830 A1 WO2018201830 A1 WO 2018201830A1
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Prior art keywords
interleaving
scheduling time
unit
control channel
aggregated
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PCT/CN2018/081466
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English (en)
Chinese (zh)
Inventor
弓宇宏
郝鹏
左志松
张晨晨
刘文豪
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中兴通讯股份有限公司
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Publication of WO2018201830A1 publication Critical patent/WO2018201830A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • 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
    • 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
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular to a resource configuration method, apparatus, storage medium, and processor.
  • 5G fifth generation mobile communication
  • a 5G communication system is considered to be implemented in a higher and wider frequency band (e.g., above 3 GHz) in order to achieve higher data rates.
  • the characteristics of high-frequency communication are that it has relatively serious path loss and penetration loss, and its spatial transmission is closely related to the atmosphere. Due to the extremely short wavelength of the high-frequency signal, a large number of small antenna arrays can be applied, so that the beamforming technology can obtain a more accurate beam direction, and the advantages of the narrow beam technology can improve the coverage of the high-frequency signal and compensate for the transmission loss.
  • a major feature of communication is considered to be implemented in a higher and wider frequency band (e.g., above 3 GHz) in order to achieve higher data rates.
  • the characteristics of high-frequency communication are that it has relatively serious path loss and penetration loss, and its spatial transmission is closely related to the atmosphere. Due to the extremely short wavelength of the high-frequency signal, a large number of small antenna arrays can be applied, so that the beamforming technology can obtain a more accurate beam direction, and the advantages of the narrow beam
  • the downlink control channel includes two types: one is a physical downlink control channel (Physical Downlink Control Channel, PDCCH for short), and is located before or before a subframe. In several symbols configured as control channel regions, channel estimation and demodulation of the control channel are performed according to a cell-specific reference signal (Cell-specific Reference Signal, CRS for short), and the PDCCH only supports a discrete transmission type.
  • PDCCH Physical Downlink Control Channel
  • CRS Cell-specific Reference Signal
  • the former, the enhanced resource element group (eREG) that constitutes the ePDCCH is placed in one layer for beamforming transmission, and the latter separates the different eREGs that constitute the ePDCCH into the configured A physical resource block set (referred to as a PRB set) for transmitting an ePDCCH.
  • the resource scattering of the PDCCH is mainly performed by interleaving, that is, the data stream of the PDCCH is outputted in a suitable matrix in the form of traveling, column switching, and listed, and is sequentially mapped to the physical resource.
  • the resource scatter of the ePDCCH is defined by a table, for example, by using a table, which eREGs on which PRBs of a discrete transmission ePDCCH should be composed, wherein different PRBs correspond to different indexes, and different eREGs in each PRB also have Different indexes. Therefore, the ePDCCH multiplexes the localized ePDCCH and the distributed ePDCCH into the same PRB set by means of resource definition.
  • the design of the 5G communication system needs to be oriented to various scenarios, various use cases, and requires good forward compatibility.
  • an analog beamforming system since the analog beam that can be supported in one symbol is limited by the number of radio links, it cannot support omnidirectional, and it is difficult to interleave if different analog symbols are different between different symbols. Otherwise, the receiving quality of the terminal may be poor or even unacceptable.
  • the transmission design of the control channel in the NR needs to consider the requirements of the above 5G system and the limitations imposed by the analog beam.
  • the NR system requires users with different bandwidth capabilities, when the system bandwidth is relatively small, it is inevitable to support simultaneous transmission of the discrete NR-PDCCH and the centralized NR-PDCCH on the resources corresponding to one control resource set.
  • the use of interleaving technology makes it difficult to localize the localized ePDCCH. Therefore, how to implement the interleaving technology so that the transmission of the localized ePDCCH and the distributed ePDCCH can meet at least the above requirements becomes a problem that needs to be solved in the current NR discussion.
  • 5G communication systems are required to support aggregated time slots, and such aggregated time slots are likely to be proprietary to each terminal, that is, some of the scheduling terminals at the same time are time slot aggregation, and some It is not time slot aggregation. In this case, how to design the control channel region in the aggregation slot becomes a problem.
  • a resource configuration method including: configuring a transmission type of at least one scheduling time unit of N scheduling time units, wherein the N is a positive integer.
  • a resource configuration apparatus including: a first configuration module configured to configure one or more interleaving areas for a control resource set, wherein an interleaving unit in the interleaving area is An interleaving operation is performed in the interleaved area, where the interleaved area is a subset of resources corresponding to the control resource set.
  • a resource configuration apparatus including: a second configuration module configured to configure a transmission type of at least one of the N scheduling time units, wherein the N is a positive integer .
  • a base station including: a first processor, configured to configure one or more interleaving areas for a control resource set, wherein an interleaving unit in the interleaving area is in the An interleaving operation is performed in the interleaved area, where the interleaved area is a subset of the resources corresponding to the control resource set.
  • a terminal comprising: a first communication device configured to receive first configuration information of one or more interleaved regions configured for a control resource set, wherein the interleaved region The interleaving unit performs an interleaving operation in the interleaving region, the interleaving region being a subset of resources corresponding to the control resource set.
  • a base station comprising: a second processor configured to configure a transmission type of at least one of the N scheduling time units, wherein the N is a positive integer.
  • a terminal comprising: a second communication device configured to receive configuration information of a transmission type of at least one of the N scheduling time units, wherein the N is positive Integer.
  • a storage medium comprising a stored program, wherein the program is executed while performing the method of any of the above alternative embodiments.
  • a processor for running a program wherein the program is executed to perform the method of any of the above alternative embodiments.
  • one or more interleaving regions are configured for a control resource set, wherein the interleaving unit in the interleaving region performs an interleaving operation in the interleaving region, where the interleaving region is a resource corresponding to the control resource set a subset of the scheduling time unit; or configuring a transmission type of at least one of the N scheduling time units.
  • FIG. 1 is a flowchart 1 of a resource configuration method according to an embodiment of the present invention.
  • FIG. 2 is a second flowchart of a resource configuration method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a manner 1 of configuring an interleaving area of a control resource set according to a specific embodiment
  • FIG. 4 is a schematic diagram of a second configuration manner of an interleaving area of a control resource set according to a first embodiment of the present invention
  • FIG. 5 is a schematic diagram 1 of interleaving of an interleaved area according to a second embodiment of the present invention.
  • FIG. 6 is a second schematic diagram of interleaving of an interleaved area according to a second embodiment of the present invention.
  • FIG. 7 is an interlaced schematic diagram 1 of an interleaved area according to a third embodiment of the present invention.
  • FIG. 8 is a second schematic diagram of interleaving of an interleaved area according to a third embodiment of the present invention.
  • FIG. 9 is a schematic diagram of the existence type 1 according to a fourth embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a presence type 2 according to a fourth embodiment of the present invention.
  • FIG. 11 is a schematic diagram of 8-bit common signaling according to a fifth embodiment
  • FIG. 12 is a schematic diagram of 6-bit common signaling according to a fifth embodiment
  • FIG. 13 is a schematic diagram of 10-bit common signaling according to a fifth embodiment
  • FIG. 14 is a schematic structural diagram of hardware components of a resource configuration apparatus according to an embodiment of the present invention.
  • a mobile communication network including but not limited to a 5G mobile communication network
  • the network architecture of the network may include a network side device (for example, a base station) and a terminal.
  • a network side device for example, a base station
  • an information transmission method that can be run on the network architecture is provided. It should be noted that the operating environment of the foregoing information transmission method provided in the embodiment of the present application is not limited to the foregoing network architecture.
  • FIG. 1 is a flowchart 1 of a resource configuration method according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 configuring one or more interleaving regions for one control resource set.
  • Step S104 the interleaving unit in the interleaving area performs an interleaving operation in the interleaving area, where the interleaving area is a subset of resources corresponding to the control resource set.
  • the execution body of the above steps may be a base station or the like, but is not limited thereto.
  • the method of the above embodiment is a technical solution for the problem of resource reuse of the distributed control channel in the centralized localized and distributed manner.
  • the base station configures one or more interleaving areas for the terminal by using the high layer signaling and/or the physical layer dynamic signaling for the control resource set, where the one or more interleaving areas respectively perform an interleaving operation, where the multiple interleaving areas correspond to There may or may not overlap between resources.
  • an overlap of resources is allowed in the plurality of interleaved regions.
  • the resource corresponding to the interleaved area is a subset of the resource corresponding to the control resource set, where the subset includes a corpus, that is, the interleaved area may also be equal to the resource corresponding to the control resource set.
  • the interleaving region is one of: one or more physical resource blocks corresponding to the control resource set in the frequency domain and corresponding time domain resources; and the control resource set is One or more symbols in the time domain and their corresponding frequency domain resource components; one in the frequency domain consisting of one or more physical resource blocks in the control resource set, and one in the time domain from the control resource set Or consisting of a plurality of symbols; consisting of one or more resource element groups REG in the control resource set; consisting of one or more control channel elements CCEs in the control resource set; one or more of the control resource sets A bundled resource element group consisting of REGs.
  • one REG of the NR-PDCCH is defined as a PRB in the frequency domain, and the CCE in the time domain is one OFDM symbol, and the CCE is composed of N REGs, where N is an integer greater than 1.
  • the CCE is the basic allocation unit of the control channel.
  • a bundled REG (bundled REG) consists of M REGs, where M is an integer greater than one.
  • all REGs in a bundled REG use the same beam or precoding weight.
  • the interleaving unit included in the interleaving region obtains a corresponding interleaved unit mapping pattern after performing an interleaving operation on the interleaving region.
  • the “interlaced area” in the present embodiment is equivalent to “at least one of the one or more interleaved areas” in step S102.
  • the interleaving pattern that is, the mapping pattern of the interleaving unit in the time-frequency domain in the interleaving area after the interleaving operation.
  • the data flow of the control channel is sequentially mapped according to the physical index of the interleaved interleaved unit from the smallest to the largest.
  • the equivalent is that the data flow corresponding to the control channel is interleaved in the same manner, and the index of the interleaved unit before interleaving is from small to large. Map.
  • the interleaving unit is one of: one REG; one CCE; one bundled REG; one continuous stream of modulation symbols.
  • the interleaving operation described in the present invention is equivalent to the following two forms: 1) the physical interleaving unit (the time-frequency resources corresponding to the consecutive resource units of the index are also continuous) are interleaved by the specified interleaving method,
  • the obtained interleaved unit pattern is called a logical interleaving unit pattern (characteristically, the resource unit index is unchanged, but the time-frequency resources corresponding to consecutive resource units of the index are often broken and discontinuous), and then the data stream is according to the resource.
  • the cell index is sequentially mapped on the resource unit in ascending order.
  • the data stream is interleaved by a specified interleaving method according to a basic interleaving unit (possibly every X consecutive modulation symbols in the data stream, where X is fixed), and the scattered data stream is obtained, which will be broken up.
  • the data stream is mapped in order from the smallest to the largest of the physical resource unit indexes.
  • the interleaving operation is performed by at least one of the following methods: Method 1: Matrix interleaving; Method 2: matrix interleaving and a specified resource offset.
  • the method 1 includes: specifying a matrix of a specified size, sequentially writing the interleaved units in rows according to a preset interleaving unit order, then performing column switching according to a predefined manner, and finally reading out by columns.
  • the position of the read interleaved unit in the time-frequency domain is the interleaved pattern.
  • null characters are added before or after the interleaving unit.
  • the preset sequential interleaving unit order is an order in which all interleaving units are in a small to large order according to their physical indexes.
  • the method 2 includes: specifying a matrix of a specified size, sequentially writing the interleaved units in rows according to a preset interleaving unit order, then performing column switching according to a predefined manner, and finally reading out by columns.
  • the position of the read interleaved unit in the time-frequency domain is offset according to the specified resource offset, that is, the interleaved pattern.
  • the preset resource mapping order is an order of resource positions corresponding to the physical index of the interleaving unit in the interleaving area from small to large before performing the interleaving operation.
  • the value of the predetermined resource offset is signaled by at least one of: higher layer signaling, physical layer signaling.
  • a plurality of interleaving patterns are set for the interleaving area, and one of the multiple interleaving patterns is indicated to the terminal by at least one of the following: high layer signaling, physical layer signaling, and the terminal is configured according to
  • the indication of the received interlace pattern determines the location of the physical REG or physical CCE in the interleaved region in the interleaved region, thereby attempting to receive the control channel at the corresponding location.
  • the "interlaced area" herein is equivalent to "at least one of the one or more interleaved areas" in step S102.
  • Each interleaving region indicates that different interleaving regions may have different interleaving patterns.
  • the multiple interleaving patterns have at least one of the following distinguishing features: the size of the matrix in which the interleaving pattern is generated by the interleaving matrix is different; the order of column exchanges in the interleaving pattern is different through the interleaving matrix; The value of the resource offset performed after the interleaving pattern obtained by the interleaving matrix is different.
  • the interlace pattern includes at least one of the following: one or more interleaving units included in any one CCE are uniformly distributed in one of the symbols of the interleaved area in a frequency domain discrete manner (ie, only performed Dissipating in the frequency domain, and when there are multiple CCEs in the one symbol, the frequency domain resources occupied by the multiple CCEs are continuous; one or more interleaving units included in any one CCE are dispersed in the frequency domain The manner is evenly distributed in one of the symbols of the interleaved area, and when there are multiple CCEs in the one symbol, the plurality of CCEs are also uniformly distributed in the frequency domain discrete manner in the one symbol or symbol Concentrating; one or more interleaving units included in any one CCE are evenly distributed in the interleaving area in a time-frequency domain discrete manner (ie, simultaneous time-frequency domain scattering is performed, so that one or more CCEs are included The interleaving units are uniformly distributed in the frequency domain and are
  • the number of modulation symbols included in the one continuous modulation symbol stream is equal to one of: the number of REs other than the DMRS in one REG; and the REs other than the DMRS in one CCE Number; the number of REs in a bundled REG other than DMRS.
  • the one or more interleaved regions include at least one interleaved region as a non-interleaved region.
  • the interleaving unit of the non-interleaved area does not perform an interleaving operation, and the area is mainly used for transmission of a centralized control channel transmission type.
  • a resource configuration method including:
  • the interleaving region includes one of: one or more physical resource blocks corresponding to the control resource set in the frequency domain and a time domain resource corresponding to the physical resource block; Controlling, by the resource set, one or more symbols corresponding to the time domain and a frequency domain resource corresponding to the symbol; a frequency domain of one or more physical resource blocks in the control resource set, and the control resource set
  • the time domain of one or more symbols is composed in common; consists of one or more resource element groups REG in the control resource set; consists of one or more control channel elements CCE in the control resource set; Concentrated one or more bundled resource element groups REG.
  • the interleaving unit comprises one of: one or more REGs; one or more CCEs; one or more bundled REGs; and a continuous stream of modulation symbols.
  • the number of modulation symbols included in the one continuous modulation symbol stream is equal to one of: the number of resource elements RE except one demodulation reference signal DMRS in one REG; The number of REs other than the DMRS; the number of REs other than the DMRS in a bundled REG.
  • the interleaving unit in the interleaving region performs an interleaving operation in the interleaving region, including: an interleaving unit included in the interleaving region obtains a corresponding interlace after performing an interleaving operation on the interleaving region Unit mapping pattern.
  • the interleaving operation is performed by at least one of: matrix interleaving; matrix interleaving and predetermined resource offsetting.
  • performing the interleaving operation by a method of matrix interleaving includes: writing, by the interleaving unit, a matrix of a predetermined size row by row according to a preset interleaving unit order; The interleaving unit performs column switching, and the interleaving unit reads out column by column; and the interleaved units read out column by column are sequentially mapped to the interleaving area in a pre-ordered order according to a preset resource mapping order. in.
  • performing the interleaving operation by a method of matrix interleaving and a predetermined resource offset comprising: writing the interleaving unit row by row into a matrix of a predetermined size according to a preset interleaving unit order; according to a predefined column After performing column switching on the interleaving unit, the interleaving unit is read out column by column in a preset order; and the interleaved units read out column by column are sequentially mapped to the foregoing according to a preset resource mapping order.
  • the position of the interleaving unit in the time-frequency domain in the interleaving area is globally offset in the frequency domain or the time domain according to the predetermined resource offset, where the amount of the overall offset is equal to The value of the predetermined resource offset.
  • the value of the predetermined resource offset sent by at least one of the following signaling is received: higher layer signaling, physical layer signaling.
  • the control resources of the centralized transmission are received in the interleaved area.
  • the control resource is preferably a control channel.
  • FIG. 2 is a second flowchart of a resource configuration method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 determining a transmission type of at least one scheduling time unit of the N scheduling time units.
  • Step S204 configuring a transmission type of at least one of the N scheduling time units.
  • the technical solution in this embodiment includes: configuring a transmission type of at least one scheduling time unit of the N scheduling time units.
  • the time unit used by the base station to schedule services may be a time slot, a micro time slot, a symbol, a subframe, or a frame.
  • the N scheduling time units include one or more of the following features: the N scheduling time units are N scheduling time units in a time domain; the N scheduling time units are an aggregation a subsequent scheduling time unit; at least one aggregated scheduling time unit exists in the N scheduling time units. It should be added that the aggregated scheduling time unit described in this application file is composed of one or more scheduling time units. For example, N time slots form an aggregated slot. Preferably, the aggregated scheduling time unit becomes a new, larger scheduling time unit.
  • the transmission types of the N scheduling time units are configured by subbands.
  • the transmission type of the N scheduling time units includes one or more of the following: whether a control channel region exists in the N scheduling time units; and each scheduling time in the N scheduling time units a size of a control channel region within the unit; a location of a control channel region within each of the N scheduling time units; a presence type of the control channel region of the N scheduling time units; the N Whether the scheduling time unit is an aggregated scheduling time unit; whether there is an aggregated scheduling time unit in the N scheduling time units; an index or a location of the aggregated scheduling time unit existing in the N scheduling time units; An index or a location of a scheduling time unit included in the scheduling time unit aggregated in the N scheduling time units; a number of scheduling time units included in the scheduling time unit aggregated in the N scheduling time units; the N scheduling times An index or location of a first scheduling time unit included in a scheduling time unit aggregated in the unit; the N scheduling time units
  • the composition of the aggregated scheduling time unit (used to indicate whether each symbol direction included in the scheduling time unit of the aggregati
  • the size of the control channel region is the number of symbols included in the control channel region.
  • the existence type of the control channel region in the N scheduling time units includes: exists in the first scheduling time unit of the N scheduling time units, or exists in each scheduling time unit of the N scheduling time units.
  • the type of the control channel area of the aggregated scheduling time unit includes at least two types: the control channel area of the aggregated scheduling time unit is allowed to exist in the scheduled time unit of the aggregation. In a scheduling time unit; the control channel region of the aggregated scheduling time unit is allowed to exist in each scheduling time unit within the aggregated scheduling time unit.
  • the transmission type of the N time units is configured by at least one of the following: high layer signaling, physical layer signaling.
  • high layer signaling For example, dynamically configuring the control channel region in the N scheduling time units by using physical layer signaling, and configuring the size of each control channel region by using high layer signaling.
  • the physical layer signaling is public signaling or terminal-specific signaling.
  • the public signaling is mainly carried in a common control channel
  • the terminal-specific signaling is mainly carried in a terminal-specific control channel.
  • the physical layer signaling is a common control signaling and is carried in a common control channel.
  • the physical layer signaling of the control channel is carried in a common control channel.
  • the common control channel is located in a first scheduling time unit in the aggregated scheduling time unit; or the common control channel is located in a first scheduling time unit of the N scheduling time units in.
  • a resource configuration method on a terminal side including: receiving configuration information of a transmission type of at least one of the N scheduling time units.
  • the configuration information of the transmission type of the N scheduling time units is received by subband. That is, the configuration information of each sub-band is separately received on a plurality of transmission sub-bands.
  • the transmission type of the N scheduling time units includes one or more of the following: whether a control channel region exists in the N scheduling time units; and each scheduling time in the N scheduling time units The size of the control channel region within the unit (preferably, the size of the control channel region is the number of symbols included in the control channel region); the location of the control channel region within each of the N scheduled time units; The existence type of the control channel region in the N scheduling time units; whether the N scheduling time units are aggregated scheduling time units; whether the aggregated scheduling time units exist in the N scheduling time units; An index or location of the aggregated scheduling time unit existing in the scheduling time unit; an index or a location of the scheduling time unit included in the scheduled scheduling time unit in the N scheduling time units; aggregation in the N scheduling time units The number of scheduling time units included in the scheduling time unit; the scheduling time unit aggregated in the N scheduling time units An index or a location of the first scheduling time unit included, and a composition structure of the scheduling time unit aggregated in the N scheduling time units (indicating that each symbol direction included in the
  • the physical layer signaling is obtained by attempting to receive a common control channel.
  • a time slot includes 7 symbols, wherein the first 2 symbols are control regions, or a time domain of a control resource set includes 2 symbols, assuming the frequency domain of the control resource set Contains 8 PRBs.
  • the physical REG indexes in the control resource set are numbered according to the frequency domain priority principle, as shown in the left diagram of FIG. 3 or FIG. 4 (ie, the map corresponding to the “physical REG index”).
  • the number of REGs included in one CCE is equal to 4, and the number of REGs included in one CCE may actually be other positive integer values.
  • the feature of the interleaving pattern in FIG. 3 is that multiple REGs of any one of the CCEs in any one of the OFDM symbols are uniformly scattered in the frequency domain and are also located in the symbol after being broken up.
  • the advantage of such interleaving is that it facilitates the pipeline operation of controlling signaling and data services, which is advantageous for reducing control and data processing delays, for example, the control channel composed of REGs on the first OFDM symbol does not extend to the second OFDM symbol. Therefore, the UE only needs to receive its own control channel from the first OFDM symbol, thereby preparing for transmission or reception of data, and then starting to transmit or receive data.
  • each symbol of a control resource set is an interleaving area, and two interleaving areas are interleaved by the same interleaving method, and The value of the resource offset corresponding to the interleaved mapping pattern is also the same, for example, the offset value is 0.
  • the result of the corresponding interleaving is that the two REGs adjacent to each other on one subcarrier are still adjacent after interleaving.
  • the advantage of such interleaving is that, as shown in the rightmost figure in FIG.
  • the REG on the second symbol is cyclically shifted Q resource units by the interleaved mapping pattern in the specified order of the resources (for example, the frequency domain is from low to high), as shown in the “logical REG index” in the figure.
  • the REG on the second symbol is cyclically shifted by 2 resource units (the resource unit here is preferably an interleaved unit) after being interleaved with respect to the REG pattern of the first symbol.
  • the advantage of such interleaving is that, as shown in the rightmost graph in Figure 6 (that is, the graph labeled "CCE Index"), different REGs on the same CCE are evenly dispersed into different symbols, which is beneficial to obtain more diversity. The gain is beneficial to enhance the coverage of the channel.
  • a plurality of interleaving areas are configured for one control resource set, and different interleaving areas may be subjected to different interleaving processes, and different interleaving patterns may be configured, and some interleaving areas may not be interleaved (ie, no interleaving processing is performed).
  • the interleaved area may be configured on a CCE level, for example, one interlaced area is composed of one or more consecutive physical CCEs.
  • FIG. 7 is a schematic diagram of interleaving of an interleaving area according to Embodiment 3 of the present invention.
  • an interleaving area of a control resource set is an entire interleaving area, and an interleaving unit is two REGs adjacent in the time domain ( That is a bundled REG).
  • the result of the interleaving is that a bundled REG is uniformly dispersed into the frequency domain resources corresponding to the control resource set in any one CCE.
  • FIG. 8 is a schematic diagram of interleaving of an interleaving area according to Embodiment 3 of the present invention.
  • a control resource set includes an area, and a first area is composed of CCEs 3 to 4, and a second area is composed of
  • the control resource set consists of the remaining CCEs except CCE3 and CCE4, where the second area is the interleaved area of the control resource set, and the first area is the non-interleaved area. That is, the interleaving unit in the first region does not perform the interleaving operation, and the interleaving unit in the second region performs the interleaving operation as shown in the figure.
  • the base station When the base station configures the control resource set for UE1 and UE2, but the control channel transmission type configured by UE1 is localized transmission, and the transmission type configured by UE2 is distributed transmission, the base station can perform the control channel of UE1 in the non-interleaved area. Transmission, transmitting the control channel of UE2 in the interleaved area. Correspondingly, UE1 receives the control channel in the non-interleaved area, and UE2 receives the control channel in the interleaved area. In this way, the purpose of multiplexing centralized transmission and discrete transmission multiplexing on resources corresponding to the same control resource set is achieved.
  • the base station can configure the interleaving area according to the aggregation level and resource allocation of the centralized control channel transmission. For example, when the aggregation level is 1 and needs to be transmitted on the time-frequency resource where the CCE3 is located, the non-interleaved area is composed only of CCEs. The interleaved area consists of the remaining CCEs. Preferably, the division of the interleaved area and the non-interleaved area can be dynamically notified to the terminal by signaling.
  • the network side indicates the existence type of the control channel region in the aggregation time slot to the terminal through the common control channel, where the existence type includes the following two types:
  • FIG. 9 is a schematic diagram of the presence type 1 according to Embodiment 4 of the present invention.
  • the aggregation slot is assumed.
  • the terminal assumes that only the control channel may exist in slot 0 in the aggregation slot.
  • the terminal performs blind detection of the control channel only in the first time slot (time slot 0) in the aggregation time slot, that is, only attempts to receive the control channel in time slot 0, and in other time slots (time slots 1-3) Blind detection of the control channel is not performed.
  • FIG. 10 is a schematic diagram of the presence type 2 according to the fourth embodiment of the present invention. As shown in FIG. 10, it is assumed that the aggregation time slot is included. There are 4 time slots in which a control channel area may exist in each time slot. The terminal needs to assume that there may be a control channel in each time slot of the aggregation slot. The terminal performs a blind detection operation of the control channel in each time slot in the aggregation time slot, unless there is other signaling indicating that there is no control channel of the terminal in one or several time slots or the terminal is not required to go. Blind detection.
  • the number of symbols included in the first time slot in the aggregation time slot or the control channel area in each time slot is notified by higher layer signaling.
  • the network side may indicate the location of the aggregation time slot, the number of time slots included in the aggregation time slot, and the start time slot of the aggregation time slot, in addition to indicating the foregoing information to the terminal through the common control channel. Information such as location, composition of aggregated time slots, and so on.
  • the network side terminal indicates the existence type of the control channel region in the current N consecutive time slots, wherein the presence type refers to whether the resources occupied by the control channel region and/or the control channel region exist in the N time slots.
  • the resources occupied by the control channel region include frequency domain resources included in the control channel region (such as which PRBs or subbands in the frequency domain are composed) and/or time domain resources (the number of symbols included in the time domain, when The location of the symbols included in the domain, etc.).
  • the network side may indicate to the terminal the number of symbols included in the control channel region in each of the four slots by common control signaling. Assuming that the number of symbols included in the control channel region does not exceed three, the network side needs to indicate the control channel region in one slot by 2 bits, and the four states included in the two bits respectively control the channel region including 0 symbols and 1 Four cases of symbols, 2 symbols, and 3 symbols, as shown in Table 1, Table 1 is a table indicating the control channel area of each time slot with 2 bits according to the specific embodiment 5. Therefore, in the case where N is equal to 4 time slots, a total of 8 bits are required to indicate a control channel region in each time slot, for example, as shown in FIG. 11, FIG. 11 is a schematic diagram of 8-bit common signaling according to a specific embodiment 5, wherein preference is made. The value of N may be fixed or signaled by higher layer signaling or MAC layer signaling.
  • the network side may indicate the value of N to the terminal through common control signaling, and indicate whether there is a control channel region in each of the N time slots. For example, if the value range of N is ⁇ 1, 2, 4, 8 ⁇ , the four states that require 2-bit common control signaling respectively indicate different values (configurations) of N, as shown in Table 2, for example.
  • Table 2 is a table indicating different values of N by 2-bit signaling according to a specific embodiment 5. Each time slot requires 1 bit (including two states 0 or 1) to indicate whether a control channel region exists in a single time slot, and Table 3 indicates whether there is any time slot in each time slot according to the specific embodiment 5
  • the table of the control channel area is as shown in Table 3.
  • FIG. 12 is a schematic diagram of 6-bit common signaling according to a specific embodiment 5.
  • the resources included in the control channel region are predefined or are notified by higher layer signaling.
  • the network side indicates the value of N to the terminal through common control signaling, and the resources of the control channel region in each slot (such as the number of symbols included). For example, if the value of N ranges from ⁇ 1, 2, 4, 8 ⁇ , the four states that require 2-bit common control signaling respectively indicate different values (configurations) of N, as shown in Table 1. It is also necessary to pass 2-bit common control signaling (assuming that the number of symbols included in the control channel region of each slot does not exceed 3), and the four states corresponding thereto indicate that the number of symbols included in a single slot is 0 symbols. 1, 1 symbol, 2 symbols, 3 symbols, as shown in Table 2.
  • FIG. 13 is a 10-bit common signaling according to Embodiment 5.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • a storage medium such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a resource configuration device is also provided, which is used to implement the foregoing embodiments and preferred embodiments, and is not described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • a resource configuration apparatus including: a first configuration module configured to configure one or more interleaving areas for a control resource set, wherein an interleaving unit in the interleaving area is An interleaving operation is performed in the interleaved area, where the interleaved area is a subset of resources corresponding to the control resource set.
  • the performing the interleaving operation by the method of matrix interleaving and the predetermined resource offset comprises: writing the interleaving unit row by row into a matrix of a predetermined size according to a preset interleaving unit order; After the interleaving unit performs column switching, the interleaving unit is read out column by column in a preset order; and the interleaved units that are read out column by column are sequentially mapped into the interleaving area according to a preset resource mapping order.
  • the value of the predetermined resource offset is notified by at least one of the following: high layer signaling, physical layer signaling.
  • a plurality of interleaving patterns are set for the interleaving area, and one of the multiple interleaving patterns is indicated to the terminal by at least one of the following signaling: high layer signaling and physical layer signaling.
  • the plurality of interleaving patterns have at least one of the following distinguishing features: the sizes of the interleaving matrices that generate the plurality of interleaving patterns are different; in the process of generating the plurality of interleaving patterns through the interlacing matrix, The order in which the interleaving matrices are column-switched is different; in the process of obtaining the plurality of interleaving patterns through the interlacing matrix, different resource offset values are used.
  • At least one of the one or more interleaved regions is configured as a non-interleaved region, wherein the interleaving operation is prohibited in the non-interleaved region.
  • a resource configuration apparatus including: a first receiving module configured to receive first configuration information of one or more interleaving areas configured for a control resource set, wherein The interleaving unit in the interleaving region performs an interleaving operation in the interleaving region, the interleaving region being a subset of the resources corresponding to the control resource set.
  • the interleaving region includes one of: one or more physical resource blocks corresponding to the control resource set in the frequency domain and a time domain resource corresponding to the physical resource block; Controlling, by the resource set, one or more symbols corresponding to the time domain and a frequency domain resource corresponding to the symbol; a frequency domain of one or more physical resource blocks in the control resource set, and the control resource set
  • the time domain of one or more symbols is composed in common; consists of one or more resource element groups REG in the control resource set; consists of one or more control channel elements CCE in the control resource set; Concentrated one or more bundled resource element groups REG.
  • the interleaving unit comprises one of: one or more REGs; one or more CCEs; one or more bundled REGs; and a continuous stream of modulation symbols.
  • the number of modulation symbols included in the one continuous modulation symbol stream is equal to one of: the number of resource elements RE except one demodulation reference signal DMRS in one REG; The number of REs other than the DMRS; the number of REs other than the DMRS in a bundled REG.
  • the interleaving unit on the one or more interleaving regions performs an interleaving operation, including: the interleaving unit included in the interleaving region performs an interleaving operation on the interleaving region according to a specified interleaving pattern.
  • the specified interleaving pattern is obtained by at least one of: matrix interleaving; matrix interleaving and predetermined resource offset.
  • the interleaving pattern is obtained by a matrix interleaving method, including: writing, by the interleaving unit, a matrix of a predetermined size row by row according to a preset interleaving unit order; and the interleaving unit according to a predefined manner.
  • the interleaving unit is read out column by column in a preset order; and the interleaving unit after column-by-column readout is sequentially mapped into the interleaving area according to a preset resource mapping order to obtain the An interleaving pattern of the interleaving unit in the interleaved region.
  • the interleaving pattern is obtained by a method of matrix interleaving and a predetermined resource offset, including: writing the interleaving unit row by row into a matrix of a predetermined size according to a preset interleaving unit order; according to a predefined manner After performing column switching on the interleaving unit, the interleaving unit is read out column by column in a preset order; and the interleaved units read out column by column are sequentially mapped to the interleaving area according to a preset resource mapping order.
  • the value of the predetermined resource offset sent by at least one of the following signaling is received: higher layer signaling, physical layer signaling.
  • the plurality of interleaving patterns have at least one of the following distinguishing features: the sizes of the interleaving matrices that generate the plurality of interleaving patterns are different; in the process of generating the plurality of interleaving patterns through the interlacing matrix, The order in which the interleaving matrices are column-switched is different; in the process of obtaining the plurality of interleaving patterns through the interlacing matrix, different resource offset values are used.
  • the interleaving pattern includes at least one of: one or more interleaving units included in any one of the control channel elements CCE are uniformly distributed in the interleaved area in a frequency domain discrete manner.
  • the frequency domain resources occupied by the multiple CCEs are continuous; and one or more interleaving units included in any one of the CCEs in the control resource set Uniformly distributed in one of the symbols of the interleaved region in a frequency domain discrete manner, and when there are multiple CCEs in the one symbol, the plurality of CCEs are evenly distributed in the symbol or in a frequency domain discrete manner a subset of symbols; one or more interleaving units included in any one of the CCEs are uniformly distributed in the interleaved region in a time-frequency domain discrete manner, and when there are multiple CCEs in the interleaved region, The time-frequency domain resources occupied by the multiple CCEs are continuous;
  • obtaining configuration information that at least one of the one or more interleaved regions is a non-interleaved region and determining that the interleaved unit in the non-interleaved region does not perform an interleaving operation, and attempting to The control resources of the centralized transmission are received in the interleaved area.
  • a resource configuration apparatus including: a second configuration module configured to configure a transmission type of at least one of the N scheduling time units, wherein the N is a positive integer .
  • the N scheduling time units include one or more of the following features: the N scheduling time units are N scheduling time units in a time domain; the N scheduling time units are an aggregation a subsequent scheduling time unit; at least one aggregated scheduling time unit exists in the N scheduling time units.
  • the transmission types of the N scheduling time units are configured by subbands.
  • the transmission type of the N scheduling time units includes one or more of the following: whether a control channel region exists in the N scheduling time units; and each scheduling time in the N scheduling time units a size of a control channel region within the unit; a location of a control channel region within each of the N scheduling time units; a presence type of the control channel region of the N scheduling time units; the N Whether the scheduling time unit is an aggregated scheduling time unit; whether there is an aggregated scheduling time unit in the N scheduling time units; an index or a location of the aggregated scheduling time unit existing in the N scheduling time units; An index or a location of a scheduling time unit included in the scheduling time unit aggregated in the N scheduling time units; a number of scheduling time units included in the scheduling time unit aggregated in the N scheduling time units; the N scheduling times An index or location of a first scheduling time unit included in a scheduling time unit aggregated in the unit; the N scheduling time units
  • the composition structure of the scheduling time unit of the aggregation; the existence type of the control channel area of the scheduling time unit
  • the type of the control channel area of the aggregated scheduling time unit includes at least two types: the control channel area of the aggregated scheduling time unit is allowed to exist in the scheduled time unit of the aggregation. In a scheduling time unit; the control channel region of the aggregated scheduling time unit is allowed to exist in each scheduling time unit within the aggregated scheduling time unit.
  • the transmission type of at least one of the N time units is configured by at least one of the following: high layer signaling, physical layer signaling.
  • the physical layer signaling of the control channel is carried in a common control channel.
  • the common control channel is located in a first scheduling time unit in the aggregated scheduling time unit; or the common control channel is located in a first scheduling time unit of the N scheduling time units in.
  • a resource configuration apparatus including: a second receiving module, configured to receive configuration information of a transmission type of at least one scheduling time unit of N scheduling time units, where the N Is a positive integer.
  • the configuration information of the transmission type of the N scheduling time units is received by subband.
  • the transmission type of the N scheduling time units includes one or more of the following: whether a control channel region exists in the N scheduling time units; and each scheduling time in the N scheduling time units a size of a control channel region within the unit; a location of a control channel region within each of the N scheduling time units; a presence type of the control channel region of the N scheduling time units; the N Whether the scheduling time unit is an aggregated scheduling time unit; whether there is an aggregated scheduling time unit in the N scheduling time units; an index or a location of the aggregated scheduling time unit existing in the N scheduling time units; An index or a location of a scheduling time unit included in the scheduling time unit aggregated in the N scheduling time units; a number of scheduling time units included in the scheduling time unit aggregated in the N scheduling time units; the N scheduling times An index or location of a first scheduling time unit included in a scheduling time unit aggregated in the unit; the N scheduling time units The composition of the scheduling time unit of the aggregation.
  • the existence type of the control channel region of the scheduling time unit aggregate aggregate
  • the type of the control channel region of the aggregated scheduling time unit includes at least one of the following: the control channel region of the aggregated scheduling time unit is allowed to exist in the scheduled time unit of the aggregation. a scheduling time unit; the control channel region of the aggregated scheduling time unit is allowed to exist in each scheduling time unit in the aggregated scheduling time unit; and is aggregated in the received N scheduling time units
  • the existence type of the control channel region of the scheduling time unit is that when the control channel region of the aggregated scheduling time unit is allowed to exist in the first scheduling time unit in the aggregated scheduling time unit, only in the aggregated
  • the control channel region of the scheduling time unit allows the blind detection control channel to exist in the first scheduling time unit in the scheduled scheduling time unit; and the control of the scheduling time unit aggregated in the received N scheduling time units
  • the existence type of the channel area is allowed for the control channel area of the scheduled time unit of the aggregation When in each scheduled time unit in the aggregated scheduling time unit, the control channel region of the aggregated scheduling time unit is allowed to be blindly detected
  • receiving configuration information of a transmission type of at least one scheduling time unit of the N scheduling time units includes: obtaining configuration information of a transmission type of N scheduling time units by receiving high layer signaling or physical layer signaling.
  • the physical layer signaling is obtained by attempting to receive a common control channel.
  • the physical layer signaling is obtained by attempting to receive a common control channel in a first scheduling time unit within the aggregated scheduling time unit; or by first in the N scheduling time units In the scheduling time unit, an attempt is made to receive a common control channel to obtain the physical layer signaling.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • a base station including: a first processor configured to configure one or more interleaving areas for a control resource set, wherein an interleaving unit in the interleaving area is in the An interleaving operation is performed in the interleaved area, where the interleaved area is a subset of the resources corresponding to the control resource set.
  • a terminal comprising: a first communication device configured to receive first configuration information of one or more interleaved regions configured for a control resource set, wherein The interleaving unit in the interleaving region performs an interleaving operation in the interleaving region, the interleaving region being a subset of the resources corresponding to the control resource set.
  • a base station comprising: a second processor configured to configure a transmission type of at least one of the N scheduling time units, wherein the N is a positive integer.
  • a terminal comprising: a second communication device configured to receive configuration information of a transmission type of at least one of the N scheduling time units, wherein the N is positive Integer.
  • a storage medium comprising a stored program, wherein the program is executed while performing the method of any of the above alternative embodiments.
  • the foregoing storage medium may include, but not limited to, a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), and a mobile hard disk.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a processor for running a program wherein the program is executed to perform the method of any of the above alternative embodiments.
  • the processor executes the technical solution in the foregoing alternative embodiment according to the stored program code in the storage medium.
  • the embodiment of the present invention further provides a resource configuration apparatus, and a hardware component structure diagram of the resource configuration apparatus.
  • the resource configuration apparatus 110 includes: at least one processor 111, a memory 112, and at least one network interface 114.
  • the various components in resource configuration device 110 are coupled together by bus system 115.
  • bus system 115 is used to implement connection communication between these components.
  • the bus system 115 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 115 in FIG.
  • the memory 112 in the embodiment of the present invention is used to store various types of data to support the operation of the resource configuration device 110.
  • Examples of such data include any computer program, such as application 1122, for operating on resource configuration device 110.
  • a program implementing the method of the embodiment of the present invention may be included in the application 1122.

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Abstract

La présente invention concerne un procédé et un dispositif de configuration de ressources, un support de stockage et un processeur. Le procédé consiste : à configurer une ou plusieurs régions d'entrelacement pour un ensemble de ressources de commande, des unités d'entrelacement dans les régions d'entrelacement réalisant des opérations d'entrelacement dans les régions d'entrelacement, les régions d'entrelacement étant un sous-ensemble de ressources correspondant à l'ensemble de ressources de commande ; ou à configurer le type de transmission d'au moins une unité de temps de planification de N unités de temps de planification. La solution technique susmentionnée résout le problème de l'état de la technique relatif à la manière de configurer des ressources de canal de commande d'un nouveau système.
PCT/CN2018/081466 2017-05-05 2018-03-30 Procédé et dispositif de configuration de ressources, support de stockage et processeur WO2018201830A1 (fr)

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