CN109392154A - A kind of signal sends, signal acceptance method and relevant device - Google Patents

A kind of signal sends, signal acceptance method and relevant device Download PDF

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Publication number
CN109392154A
CN109392154A CN201710690893.0A CN201710690893A CN109392154A CN 109392154 A CN109392154 A CN 109392154A CN 201710690893 A CN201710690893 A CN 201710690893A CN 109392154 A CN109392154 A CN 109392154A
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CN
China
Prior art keywords
control channel
channel resource
resource collection
information
terminal equipment
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CN201710690893.0A
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Chinese (zh)
Inventor
张永平
成艳
夏金环
冯淑兰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201710690893.0A priority Critical patent/CN109392154A/en
Priority to PCT/CN2018/099165 priority patent/WO2019029523A1/en
Publication of CN109392154A publication Critical patent/CN109392154A/en
Pending legal-status Critical Current

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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
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Abstract

This application discloses a kind of signals to send, signal acceptance method and relevant device, for solving due to the possible demodulation of first order down control channel unsuccessfully bring robustness problem and the excessive problem of signaling overheads.The application method includes: the network equipment to first terminal equipment transmission configuration information, and the configuration information includes the configuration parameter of control channel resource collection and the monitoring period of Downlink Control Information；The network equipment determines demodulated reference signal port according to the configuration parameter of the control channel resource collection and the user identifier of the first terminal equipment；The network equipment generates Downlink Control Information and the first demodulation reference information；The sending time unit that the network equipment is indicated according to the monitoring period, on the running time-frequency resource of the control channel resource collection, the Downlink Control Information and the first demodulation reference information are sent to the first terminal equipment by the demodulated reference signal port.

Description

A kind of signal sends, signal acceptance method and relevant device
Technical field
This application involves wireless communication field more particularly to a kind of transmissions of signal, signal acceptance method and relevant device.
Background technique
It newly eats dishes without rice or wine in (new radio, NR) in the 5th generation Wireless Access Systems standard, the basic unit on frequency domain is one Subcarrier, subcarrier spacing can be 15KHz, 30KHz etc..The basic time unit of downgoing time scheduling of resource is one in NR A timing slot can be divided into control area and data area, Physical Downlink Shared Channel (physical in one timing Downlink shared channel, PDSCH) it is transmitted on the data area of slot, it is slot carrying key data transmission Down channel；Physical Downlink Control Channel (physical downlink control channel, PDCCH) is slot's It is transmitted on control area, is the down channel that slot carries main signalling, in order to be properly received PDSCH, need first to demodulate PDCCH.Demodulated reference signal (demodulation reference signal, DMRS) is for demodulating NR-PDCCH.
In the technical discussion of NR, the structure of two-stage down control channel is discussed.In the knot of two-stage down control channel In structure, the relevant parameter of demodulation second level down control channel is contained in first order down control channel, such as send mould Formula, receiving port, resource location etc., first order down control channel are sent using fixed single port mode, and terminal is demodulating After first order down control channel, parameter necessary to second level down control channel demodulates can be obtained, including under the second level Row control channel sends used port, and terminal can be carried out under the second level on corresponding port based on relevant parameter The demodulation of row control channel.At least there are problems that following two above by Two-stage control channel architecture: first, due to using Two-stage down control channel, if the demodulation failure of first order down control channel, terminal will be unable to determine to be come using which port Carry out the demodulation of second level down control channel；Second, due to the demodulation in relation to second level down control channel including port Parameter needs to notify by downlink signaling.
Summary of the invention
This application provides a kind of transmission of signal, signal Receiving and relevant devices, for solving due under the first order The possible demodulation failure bring robustness problem of row control channel and the excessive problem of signaling overheads.
In a first aspect, the embodiment of the present application provides a kind of signaling method, comprising:
The network equipment sends configuration information to first terminal equipment, and the configuration information includes control channel resource collection The monitoring period of configuration parameter and Downlink Control Information, the configuration parameter of the control channel resource collection include being used to indicate Parameter at least one of below: the frequency domain position of the control channel resource collection, the control channel resource collection it is orthogonal The primary sign of frequency division multiplexing, the duration of the control channel resource collection, the size and downlink of resource unit group packet Control information sender formula；
The network equipment is according to the configuration parameter of the control channel resource collection and the use of the first terminal equipment Family mark, determines demodulated reference signal port；
The network equipment generates Downlink Control Information and the first demodulation reference information；
The sending time unit that the network equipment is indicated according to the monitoring period, in the control channel resource collection Running time-frequency resource on, the Downlink Control Information is sent to the first terminal equipment by the demodulated reference signal port With the first demodulation reference information.
From above technical scheme as can be seen that the application has the following advantages:
The network equipment and terminal device are the configuration parameter and terminal device by controlling resource collection when determining port Mark calculate obtain, do not need additional Signalling exchange, which solves in the prior art (two-step evolution channel architecture) by In the excessive problem of the possible demodulation failure bring robustness problem of first order down control channel and signaling overheads.
Therefore, this application provides a kind of signaling methods, for sending the first demodulation reference information and downlink control Information.
In one possible implementation, the sending time unit of monitoring period instruction includes monitoring in the period at least One time quantum, time quantum are the time for sending one-unit message, and the running time-frequency resource of control channel resource collection is by network Equipment is according to the frequency location of control channel resource collection, the primary sign of the orthogonal frequency division multiplexing of control channel resource collection It is determined with the duration of resource collection.
In this kind of implementation, relevant processing is carried out according to the sending time unit of monitoring period instruction, is conducive to The network equipment and terminal device avoid excessive processing, can save electric energy.
In one possible implementation, the network equipment generates the first demodulation reference information, comprising:
The network equipment generates the first scrambling parameter and the second scrambling parameter, wherein the first scrambling parameter network equipments configuration To first terminal device configuration, the first scrambling parameter is used to generate the first demodulated reference signal for first terminal equipment, and second To second terminal equipment, the second scrambling parameter is used to generate second for second terminal equipment scrambling parameter network equipments configuration Demodulation reference information；
The above method further include: after the network equipment generates the first scrambling parameter and the second scrambling parameter, the network equipment Send the first scrambling parameter and the second scrambling parameter to first terminal equipment, first terminal equipment using the first scrambling parameter into Row channel estimation, first terminal equipment carry out Interference Estimation using the second scrambling parameter；The network equipment is according to the second scrambling parameter The second demodulation reference information is generated, also, the network equipment sends the first scrambling parameter, the second scrambling ginseng to second terminal equipment Several and the second demodulation reference information.
In this kind of implementation, by configuring two scrambling parameters i.e. the first scrambling parameter and the second scrambling parameter, energy Enough so that first terminal equipment obtains the interference signal of second terminal equipment, and interference measurement is realized based on this, and interfered Inhibit and eliminates.
In one possible implementation, the network equipment is whole according to the configuration parameter of control channel resource collection and first The user identifier of end equipment determines demodulated reference signal port, comprising:
The configuration parameter of network equipment control channel resource collection and the user identifier of first terminal equipment, determine that port is reflected Value is penetrated, and port mapping value and demodulated reference signal port have one-to-one relationship；
In turn, the network equipment determines demodulated reference signal port according to port mapping value.
In this kind of implementation, the network equipment sends the demodulated reference signal port that Downlink Control Information uses and control The configuration parameter of channel resource set and the user identifier of terminal device correspond.
In one possible implementation, comprising:
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index of the resource unit group of the starting point of the control channel resource collection frequency domain position It is worth, includes at least one resource unit group, the corresponding index of each resource unit group in the control channel resource collection Value, each resource unit group are made of at least one control channel element,For in the control channel resource collection Control channel element number, nRNTIFor the user identifier of the first terminal equipment,For the control channel resource The control channel element number of the Downlink Control Information, N are used for transmission in setportFor candidate demodulated reference signal end Mouth number；
Or, the port mapping value n ' satisfaction:
Wherein, nOS, lowFor the primary sign of the OFDM symbol of the control channel resource collection, For the duration of the control channel resource collection, nRNTIFor the user identifier of the first terminal equipment,For institute State the control channel element number that the Downlink Control Information is used for transmission in control channel resource collection, NportIt is candidate Demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, ntypeFor the index value of the Downlink Control Information sending method,For the resource unit group packet Size, nRNTIFor the user identifier of the first terminal equipment,To be used to pass in the control channel resource collection The control channel element number of the defeated Downlink Control Information, NportFor candidate demodulated reference signal port number.
In this kind of implementation, due to the configuration parameter of control channel resource collection and user's mark of first terminal equipment Knowledge is specifically, therefore, the demodulated reference signal end of down control channel to be sent in the same control channel resource collection Mouth is fixed, therefore can be realized the channel estimation in the same control channel resource collection and control for multiple downlink and believe The detection of breath saves electric energy so as to reduce the power consumption of terminal device.
Second aspect, the embodiment of the present application provide a kind of signal acceptance method, comprising:
First terminal equipment receives the configuration information that the network equipment is sent, and the configuration information includes control channel resource set The configuration parameter of conjunction and the monitoring period of Downlink Control Information, the configuration parameter of the control channel resource collection include being used for Indicate at least one of following parameter: the frequency domain position of the control channel resource collection, the control channel resource collection is just The primary sign of friendship frequency division multiplexing symbol, the duration of the control channel resource collection, the size of resource unit group packet, With Downlink Control Information sending method；
The sending time unit that the first terminal equipment is indicated according to the monitoring period, in the control channel resource On the running time-frequency resource of set, the signal for carrying Downlink Control Information is received by the demodulated reference signal port and carries the The signal of one demodulation reference information；
The first terminal equipment is believed according to the first scrambling parameter, the second scrambling parameter and the first demodulation reference of the carrying The signal of breath detects the signal for carrying Downlink Control Information, obtains the downlink control letter of the first terminal Breath.
Can be seen that from the above technical method the application has the following advantages:
The network equipment and terminal device are the configuration parameter and terminal device by controlling resource collection when determining port Mark calculate obtain, do not need additional Signalling exchange, which solves in the prior art (two-step evolution channel architecture) by In the excessive problem of the possible demodulation failure bring robustness problem of first order down control channel and signaling overheads.
In one possible implementation, the sending time unit of monitoring period instruction includes monitoring in the period at least One time quantum, time quantum are the time for sending one-unit message, and the running time-frequency resource of control channel resource collection is by network Equipment is according to the frequency location of control channel resource collection, the primary sign of the orthogonal frequency division multiplexing of control channel resource collection It is determined with the duration of resource collection.
In this kind of possible implementation, relevant processing is carried out according to the sending time unit of monitoring period instruction, Be conducive to the network equipment and terminal device avoids excessive processing, electric energy can be saved.
In one possible implementation, above-mentioned signal acceptance method further include:
First terminal equipment receives the first scrambling parameter and the second scrambling parameter that the network equipment is sent；
First terminal equipment generates the first demodulation reference information according to the first scrambling parameter, and the first scrambling parameter is used to be the One terminal device generates the first demodulation reference information, and the second scrambling parameter is used to generate the second demodulation ginseng for second terminal equipment Examine information；
First terminal equipment generates the second demodulation reference information according to the second scrambling parameter；First demodulation reference information and The running time-frequency resource that two demodulation reference information occupy partly or entirely is overlapped.
In this kind of possible implementation, joined by configuring two scrambling parameters i.e. the first scrambling parameter and the second scrambling Number enables to first terminal equipment to obtain the interference signal of second terminal equipment, and realizes interference measurement based on this, goes forward side by side Row AF panel and elimination.
In one possible implementation, first terminal equipment according to the first scrambling parameter, the second scrambling parameter and is taken Signal with the first demodulation reference information detects the signal for carrying Downlink Control Information, obtains the downlink of first terminal Control information, comprising:
First terminal equipment carries out channel according to the signal of the first demodulation reference information of the first demodulation reference information and carrying Estimation, obtains channel estimation results；
Further, first terminal equipment is according to the second demodulation reference information and the signal for carrying the first demodulation reference information Interference Estimation is carried out, Interference Estimation result is obtained；
Still further, first terminal equipment is according to channel estimation results, Interference Estimation as a result, to downlink control letter is carried The signal of breath is detected, and the Downlink Control Information of first terminal is obtained.
In this kind of possible design, by the first demodulation reference information and the second demodulation reference information, is enabled to One terminal device obtains the interference signal of second terminal equipment, and realizes interference measurement based on this, and carry out AF panel and disappear It removes, to preferably receive Downlink Control Information.
In one possible implementation, above-mentioned signal acceptance method further include:
The configuration parameter of network equipment control channel resource collection and the user identifier of first terminal equipment, determine that port is reflected Value is penetrated, and port mapping value and demodulated reference signal port have one-to-one relationship；
In turn, the network equipment determines demodulated reference signal port according to port mapping value.
In this kind of possible design, the network equipment sends the demodulated reference signal port that Downlink Control Information uses and control The configuration parameter of channel resource set processed and the user identifier of terminal device correspond.
In one possible implementation, comprising:
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index of the resource unit group of the starting point of the control channel resource collection frequency domain position It is worth, includes at least one resource unit group, the corresponding index of each resource unit group in the control channel resource collection Value, each resource unit group are made of at least one control channel element,For in the control channel resource collection Control channel element number, the number of control channel element is by the resource unit group in the control channel resource collection Packet mapping obtains, nRNTIFor the user identifier of the first terminal equipment,To be used in the control channel resource collection In the control channel element number for transmitting the Downlink Control Information, NportFor candidate demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, nOS, lowFor the primary sign of the OFDM symbol of the control channel resource collection, For the duration of the control channel resource collection, nRNTIFor the user identifier of the first terminal equipment,For institute State the control channel element number that the Downlink Control Information is used for transmission in control channel resource collection, NportIt is candidate Demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, ntypeFor the index value of the Downlink Control Information sending method,For the resource unit group packet Size, nRNTIFor the user identifier of the first terminal equipment,To be used to pass in the control channel resource collection The control channel element number of the defeated Downlink Control Information, NportFor candidate demodulated reference signal port number.
In this kind of possible implementation, due to the configuration parameter and first terminal equipment of control channel resource collection User identifier is specifically, therefore, the demodulation reference of down control channel to be sent in the same control channel resource collection Signal port is fixed, therefore can be realized the channel estimation in the same control channel resource collection for multiple downlink The detection of information is controlled, so as to reduce the power consumption of terminal device, saves electric energy.
The third aspect, the application provide a kind of device, which can be terminal, the chip being also possible in terminal.It should Device has the function of realizing each embodiment of above-mentioned first aspect.The function can be by hardware realization, can also be by hard Part executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
In a kind of possible design, when the device is terminal, terminal includes: processing unit and communication unit, described Processing unit for example can be processor, and the communication unit for example can be transceiver, and the transceiver includes radio frequency electrical Road, optionally, the terminal further include storage unit, which for example can be memory.When terminal includes that storage is single When first, the storage unit is for storing computer executed instructions, which connect with the storage unit, the processing unit The computer executed instructions for executing storage unit storage, so that the terminal executes the wireless of above-mentioned first aspect any one Communication means.
In alternatively possible design, when the device is the chip in terminal, chip includes: processing unit and communication Unit, the processing unit for example can be processor, the communication unit for example can be input/output interface, pin or Circuit etc..The computer executed instructions of storage unit storage can be performed in the processing unit, so that the chip in the terminal executes State the wireless communications method of first aspect any one.Optionally, the storage unit is the storage unit in the chip, Such as register, caching, the storage unit can also be the storage unit positioned at the chip exterior in the terminal, Such as read-only memory (read-only memory, ROM) or the other kinds of static storage of static information and instruction can be stored Equipment, random access memory (random access memory, RAM) etc..
Wherein, the processor that any of the above-described place mentions, can be a general central processor (CPU), and microprocessor is special Determine application integrated circuit (application-specific integrated circuit, ASIC), or one or more use In the integrated circuit that the program for controlling above-mentioned first aspect wireless communications method executes.
The third aspect, the application provide a kind of device, which can be base station, the chip being also possible in base station.It should Device has the function of realizing each embodiment of above-mentioned second aspect.The function can be by hardware realization, can also be by hard Part executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
Fourth aspect, the application provide a kind of device, which can be terminal, the chip being also possible in terminal.It should Device has the function of realizing each embodiment of above-mentioned first aspect.The function can be by hardware realization, can also be by hard Part executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
5th aspect, the embodiment of the present application provides a kind of computer readable storage medium, for being stored as above-mentioned terminal Computer software instructions used in equipment allow computer to execute above-mentioned first aspect when run on a computer Any one of signaling method.
6th aspect, the embodiment of the present application provides a kind of computer program product comprising instruction, when it is in computer When upper operation, computer is allowed to execute the signaling method of any one of above-mentioned first aspect.
7th aspect, the embodiment of the present application provides a kind of computer readable storage medium, for being stored as above-mentioned terminal Computer software instructions used in equipment allow computer to execute above-mentioned first aspect when run on a computer Any one of signal acceptance method.
Eighth aspect, the embodiment of the present application provide a kind of computer program product comprising instruction, when it is in computer When upper operation, computer is allowed to execute the signal acceptance method of any one of above-mentioned first aspect.
9th aspect, the embodiment of the present application provide a kind of chip system, which includes processor, are used for network Equipment realizes function involved in above-mentioned aspect, for example, for example generate or handle data involved in the above method and/ Or information.In a kind of possible design, the chip system further includes memory, and the memory is set for saving network Standby necessary program instruction and data.The chip system, can be made of chip, also may include chip and other deviding devices Part.
Tenth aspect, the embodiment of the present application provide a kind of chip system, which includes processor, for supporting First terminal equipment realizes function involved in above-mentioned aspect, for example, for example receiving or handling involved in the above method Data and/or information.In a kind of possible design, the chip system further includes memory, the memory, for protecting Deposit the necessary program instruction of first terminal equipment and data.The chip system can be made of chip, also may include chip With other discrete devices.
Detailed description of the invention
Fig. 1 is a system scenarios schematic diagram in the application；
Fig. 2 is down time-frequency resource grid schematic diagram in the application；
Fig. 3 is that resource collection structural schematic diagram is controlled in the application；
Fig. 4 is a kind of structural schematic diagram of resource unit group in the application；
Fig. 5 is the continous way resource impact schematic diagram of CCE to REG in the application；
The distributed resource that Fig. 6 is CCE to REG in the application maps schematic diagram；
Fig. 7 is one embodiment schematic diagram of signal reception in the application, signaling method；
Fig. 8 is another embodiment schematic diagram of signal reception in the application, signaling method；
Fig. 9 is one embodiment schematic diagram of device in the application.
Specific embodiment
This application provides a kind of transmission of signal, signal Receiving and relevant devices, for solving due under the first order The possible demodulation failure bring robustness problem of row control channel and the excessive problem of signaling overheads.
Below in conjunction with the attached drawing in the application, the technical solution in the application is clearly and completely described, is shown So, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.
The description and claims of this application and term " first ", " second ", " third ", " in above-mentioned attached drawing The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should Understand that the data used in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to herein Sequence other than diagram or the content of description is implemented.In addition, term " includes " and " having " and their any deformation, meaning Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, product or setting It is standby those of to be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these mistakes The intrinsic other step or units of journey, method, product or equipment.
The application is used for wireless communication system, such as: global mobile communication (Global System of Mobile Communication, GSM) system, CDMA (Code Division Multiple Access, CDMA) system, broadband CDMA (Wideband Code Division Multiple Access Wireless, WCDMA) system, general packet Wireless traffic (General Packet Radio Service, GPRS) system, Universal Mobile Communication System (Universal Mobile Telecommunications System, UMTS), particularly for LTE system and its evolution system, nothing of new generation Line communication system (new generation, NR).
The application combination terminal device describes each embodiment, and terminal device can be referred to as user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal) intelligent terminal etc., The terminal device can be led to through wireless access network (Radio Access Network, RAN) and one or more core nets Letter.For example, terminal device can be mobile phone (or being " honeycomb " phone), computer with mobile terminal etc., eventually End equipment can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device and future 5G Terminal device in network, they exchange voice or data with wireless access network.To the explanation of terminal device: in the application, eventually End equipment can also include relaying Relay and what base station can carry out data communication can be seen as terminal device, the application It is middle to be introduced with UE in general sense.
In addition, the application combination network equipment describes each embodiment.The network equipment can be long term evolution (Long Term Evolution, LTE) system or authorization auxiliary access long term evolution (Authorized auxiliary access Long-term evolution, LAA-LTE) (Evolutional Node B referred to as can be for evolved base station in system ENB or e-NodeB) macro base station, micro-base station (also referred to as " small base station "), femto base station, access website (Access Point, ) or transmission website (Transmission Point, TP) or gNodeB (new generation Node B, base of new generation AP Stand) etc..
It is as shown in Figure 1 the system scenarios figure of the application, the network equipment is base station gNB, terminal user's terminal UE, with two UE in figure, i.e. UE1 and UE2 are as example.GNB is communicated with UE1 and UE2 respectively.
In NR physical layer, as shown in Fig. 2, downlink system bandwidth is usedIt indicates, wherein DL indicates downlink The unit of the abbreviation of downlink, downlink system bandwidth is resource block (Resource Block, RB), and each RB is by frequency domain 6 or 7 continuous orthogonal frequency division multiplexing (orthogonal frequency-division in 12 continuous subcarriers and time domain Multiplexing, OFDM) symbol composition, OFDM symbol is a concept of time, in Fig. 2 by taking 7 OFDM symbols as an example, money Each element on the grid of source is known as a resource unit (resource element, RE), and RE is the smallest physical resource, Include a subcarrier in an OFDM symbol.
The basic time unit of scheduling downlink resource is a slot s lot in NR, the time span of a slot is 6,7, 12 or 14 OFDM symbol length, in a slot, the running time-frequency resource of scheduling is made of 1 RB or 2 adjacent RB, and one Control area and data area can be divided into slot, PDCCH is transmitted on the control area running time-frequency resource of slot, and PDSC exists It is transmitted on the data area running time-frequency resource of slot, wherein Downlink Control Information (the downlink control carried in PDCCH Information, DCI) in comprising downlink resource distribute information, downlink resource distribution information is used to indicate transmission PDSCH Location information of the RB on frequency domain.
In the control area of a slot, there are at least one control resource collection (control resource set, CORESET), CORESET is in time domain including the running time-frequency resource including continuous multiple RB on 1 to 3 OFDM symbol, frequency domain Set, is illustrated in figure 3 a structural schematic diagram of CORESET, in Fig. 3 by taking two CORESET as an example, two of them Size of the CORESET in time domain and frequency domain can be different, and UE detects PDCCH by CORESET, in addition, PDSCH is located at Data area in Fig. 3.
NR-PDCCH uses at least one (such as 1,2,4,8) control channel element (control channel Elements, CCE) it is transmitted, i.e., the time-frequency resource maps of NR-PDCCH are the structure based on CCE, resource unit group (resource element group, REG) is the basic resources unit of CCE, and each CCE includes a certain number of REG compositions (such as a CCE is made of 4 or 6 REG).One REG by a RB (i.e. 12 continuous subcarriers) on frequency domain and when An OFDM symbol composition, i.e., be made of RE continuous on 12 frequency domains on domain.Each REG includes carrying for demodulating NR The RE of the DMRS sequence of the PDCCH and RE of carrying control channel DCI coded identification, a kind of possible REG structure as shown in Figure 4.
The time-frequency resource maps of NR-PDCCH are the structures based on CCE, and therefore, the time-frequency resource maps of NR-PDCCH are The mapping of CCE to REG resource, wherein CCE to REG resource is mapped with the following two kinds mode: continous way Localized and point Cloth Distributed.For the mapping mode of continuous CCE to REG, mapping of the REG of CCE on frequency domain is formed It is continuous, and for the mapping mode of distributed CCE to REG, forming mapping of the REG of CCE on frequency domain is then not Continuously.
Illustrate different CCE to REG mapping modes and different resource unit group packet size REG below by the mode of diagram Resource impact situation when Bundling size, so-called resource unit group packet REG bundling are by continuous on frequency domain Continuous at least two REG composition at least two REG or time domain.Assuming that NR-PDCCH resource is made of 2 CCE, it is right It is respectively 0 and 1 that it, which is numbered, i.e. the index of CCE0 and the corresponding REG of CCE1, CCE0 and CCE1 are respectively 0-5,6-11；This When, when REG bundling is made of 6 REG continuous on frequency domain, i.e. when REG Bundling size is 6, PDCCH money It is as shown in Figure 5 that source maps situation, wherein the mapping mode of CCE to REG is continous way resource impact；When REG bundling by When continuous 2 REG are formed on frequency domain, i.e. when REG Bundling size is 2, PDCCH resource maps situation such as Fig. 6 institute Show, wherein the mapping mode of CCE to REG is distributed resource mapping；In addition, for including in each REG bundling All REG are all made of identical precoding in transmitting.
Signal transmission in the embodiment of the present application, signal acceptance method in order to facilitate understanding, firstly, will be in conjunction with specific real Example is applied to be illustrated the signal transmission in the application, signal acceptance method.
As shown in fig. 7, the signal in the application is sent and one embodiment of signal acceptance method, comprising:
701, the network equipment sends configuration information to first terminal equipment.
The network equipment sends configuration information to first terminal equipment, which includes matching for control channel resource collection It sets the monitoring period of parameter and Downlink Control Information, the configuration parameter of the control channel resource collection is following including being used to indicate At least one of parameter: the frequency domain position of the control channel resource collection, the orthogonal frequency division multiplexing of control channel resource collection Primary sign, the duration of control channel resource collection, the size of resource element groups packet or Downlink Control Information sender Formula.In addition, the network equipment is first terminal device configuration control channel resource collection by high-level signaling.For example, the high level is believed Order can be wireless heterogeneous networks (Radio Resource Control, RRC) signaling or media access control control unit (Media Access Control Control Element, MAC CE).
Control channel resource collection includes the running time-frequency resource that N1 CCE is occupied, the time-frequency that each CCE is occupied in N1 CCE Resource is made of N2 REG；Control channel resource collection includes N1*N2 REG, and the index of N1*N2 REG is x, x+1 ... .x+N1*N2-1。
Illustrate above-mentioned inclusion relation with Fig. 5 and Fig. 6, the running time-frequency resource as shown in the figure for controlling resource collection: including 1 in time domain A OFDM symbol, frequency domain position as indicated, contain altogether 6 CCE occupancy running time-frequency resource, contain 36 REG, REG in total Index since 0, until 35, each CCE is made of 6 REG, and the resource mapping method of CCE to REG can be continuously Formula, as shown in figure 5, REG of the index value from 0 to 5 belongs to CCE 0, the REG of index value 6 to 11 belongs to CCE 1；CCE to REG Mapping mode be also possible to distributed, as shown in fig. 6, the size of each resource unit group packet is 2 REG, index value is 0,1,12,13,24,25 REG belongs to CCE 0, respectively corresponds the 0th, 1,2,3,4,5 REG in CCE 0；Index value be 2, 3,14,15,26,27 REG belongs to CCE 1, corresponds respectively to the 0th, 1,2,3,4,5 REG in CCE1.
Resource of the down control channel on control resource collection is sent, and control channel resource collection accounts for multiple on frequency domain Continuous or discontinuous REG accounts at least one OFDM symbol in a time slot in the time domain, when the network equipment is sent When Downlink Control Information, Downlink Control Information is sent in the resource on control channel resource collection by down control channel. Control channel resource collection in the application can be CORESET, be also possible to other resources, not do any limit to this application System.
The monitoring period of Downlink Control Information refers to where time quantum of the network equipment for sending Downlink Control Information Time cycle.In one example, the network equipment is the monitoring period of first terminal device configuration Downlink Control Information, prison The control period is used to indicate first terminal equipment and is received under network equipment transmission on the sending time unit of monitoring period instruction Row control information, wherein the sending time unit of monitoring period instruction includes at least one time quantum monitored in the period, And at least one time quantum can be continuously, be also possible to intermittent, not do any restrictions to this application.
For monitoring the setting in period, a kind of setting method: the monitoring period indicates each time slot in one section of duration Slot, each subframe subframe or each OFDM symbol, at this point, first terminal is in above-mentioned one section of duration, equipment is being controlled On the running time-frequency resource of channel resource set, on the running time-frequency resource of control channel resource, in each time slot of monitoring period instruction Down control channel demodulation is done in slot, each subframe subframe or each OFDM symbol；
Another setting method: partial time slot slot of the monitoring period instruction in one section of duration, part subframe Subframe or part OFDM symbol, at this point, first terminal equipment is in above-mentioned one section of duration, in control channel resource collection Running time-frequency resource on, only monitoring the period indicated by partial time slot slot or part subframe subframe or part OFDM Down control channel demodulation is done on symbol, slot s lot, subframe subframe or the OFDM symbol not indicated in the monitoring period On do down control channel demodulation.
The frequency location of control channel resource collection refers to controls the frequency that channel resource set occupies in system bandwidth. In one example, as shown in figure 3, control channel resource collection is CORESET, control channel resource collection is in a slot In control area there are two CORESET (CORESET1 and CORESET2), the width in CORESET1 frequency direction is The frequency of occupancy of the CORESET1 in downlink system bandwidth, in other words, the width in CORESET1 frequency direction is The frequency location of CORESET1, equally, the width in CORESET2 frequency direction are CORESET2 in downlink system bandwidth Occupancy frequency, in other words, the width in CORESET2 frequency direction is the frequency location of control channel resource collection 2, Wherein, downlink system bandwidth is whole frequency ranges in frequency direction shown in Fig. 3.
The primary sign of the orthogonal frequency division multiplexed of control channel resource collection refers to the time for starting to transmit Downlink Control Information OFDM symbol where unit.In one example, as shown in Figure 1, each RB is carried by 12 on frequency domain continuous sons 7 continuous OFDM symbols on wave and time domain are followed successively by first OFDM symbol and the 7th OFDM symbol from left to right.When Downlink Control Information starts to transmit in third OFDM symbol from left to right, then third OFDM symbol is exactly control letter from left to right The primary sign of road resource collection.
The duration of control channel resource collection, which refers to, is used for transmission institute used in downlink control channel information sometimes Between unit.In one example, or as shown in Figure 1, from time domain, if control channel resource collection accounts for a left side in the time domain First OFDM symbol is played to third OFDM symbol from left to right, then the duration of control channel resource collection is three OFDM Symbol.
The configuration parameter of control channel resource collection further includes that the size of resource element groups packet or Downlink Control Information are sent Mode.
Wherein, a resource unit group includes multiple resource units.The size of resource unit group packet refers to that control channel provides The number of the control channel element group or other control resource units on frequency domain in the set of source.For example, resource unit group packet REG bundling is made of 6 REG continuous on frequency domain, at this point, the size of resource unit group packet REG bundling is 6, For another example, when resource unit group packet REG bundling is made of 2 REG continuous on frequency domain, i.e. resource unit group packet REG Bundling size is 2.
Downlink Control Information sending method, which refers to, is carried on loading side in control channel resource collection for Downlink Control Information Formula can be and go bearing downlink to control information using continuous running time-frequency resource, is also possible to be gone using distributed running time-frequency resource Bearing downlink controls information.In one example, the time-frequency resource maps of Downlink Control Information are the structure based on CCE, downlink The time-frequency resource maps for controlling information are the mapping of control channel Elements C CE to resource unit group REG resource, CCE to REG The mapping of resource is divided into distributed mapping and continous way mapping, wherein distributed mapping refers to the same control channel element The corresponding Downlink Control Information of CCE is carried and is sent using multiple resource unit group REG, and continous way mapping refers to the same control The corresponding Downlink Control Information of channel element CCE processed is carried and is sent using a resource unit group REG, therefore, control channel The sending method of the Downlink Control Information of resource collection is distributed sending method and continous way sending method.
The distributed sending method of its down control channel and the associated description of continous way sending method are shown in above-mentioned steps 701 In to the associated description of Fig. 5 and Fig. 6, details are not described herein again.
The determination of the running time-frequency resource of control channel resource collection is as described below: each RB as shown in Figure 1 is by 12 on frequency domain 7 continuous OFDM symbols in continuous subcarrier and time domain are followed successively by first OFDM symbol and the 7th OFDM from left to right Symbol, if on the frequency location of control channel resource collection include continuous 3 RB, that is, control channel resource collection frequency domain on by Continuous 3 RB composition, the primary sign of the orthogonal frequency division multiplex OFDM of control channel resource collection are 7 shown in Fig. 1 First left OFDM symbol in continuous OFDM symbol, the duration of control channel resource collection are 3 OFDM symbols Number, then, at this point, the running time-frequency resource of control channel resource collection is determined as by being Fig. 1 in 3 RB continuous on frequency domain, time domain In first OFDM symbol is formed to third OFDM symbol from left to right running time-frequency resource.
It is sent on carrying PDCCH in addition, the Downlink Control Information in the application can be, other controls can also be carried on It is sent on channel, any restrictions is not done to this application.
702, the network equipment is according to the configuration parameter of control channel resource collection and the user identifier of first terminal equipment, really Determine demodulated reference signal port.
The network equipment determines solution according to the configuration parameter of control channel resource collection and the user identifier of first terminal equipment Adjust reference signal port.
In one example, the user of the configuration parameter of network equipment control channel resource collection and first terminal equipment marks Know, determines port mapping value, and port mapping value and demodulated reference signal port have one-to-one relationship.
Further, port mapping value is n ', and n ' satisfaction:
Wherein, nREG, lowFor the index of the resource unit group REG of the starting point of control channel resource collection frequency domain position It is worth, the index value of 6 REG in control channel resource collection in CCE from left to right is respectively 0-5, when control channel resource set When first left REG starts to transmit Downlink Control Information in conjunction frequency domain position, at this point, nREG, lowIt is 0,For control CCE number in channel resource set processed, every 3 REG map a CCE, at this point, nREG, lowIt is 2, wherein the user identifier can To be wireless network temporary labels (radio-network temporary identifier, RNTI), it is also possible to other use Family mark, does not do any restrictions to this application,To be used for transmission Downlink Control Information in control channel resource collection CCE number, NportFor candidate demodulated reference signal port number；
Or, port mapping value n ' satisfaction:
Wherein, nOS, lowFor the index of the primary sign of the orthogonal frequency division multiplex OFDM of control channel resource collection,For the OFDM symbol of the duration of control channel resource collection, nRNTI,NportWith above-mentioned formula (1) Meaning it is identical, details are not described herein again.
The configuration parameter of control channel resource collection further includes that the size of resource element groups packet or Downlink Control Information are sent At least one in mode.Wherein, the associated description of the size for resource element groups packet or Downlink Control Information sending method It is detailed in step 701.
Port mapping value n ' also meets:
Wherein, ntypeIt is each in control channel resource collection for the index value of the Downlink Control Information sending method REG has an index, which is the index for starting the REG sent in the REG for carry Downlink Control Information at first,For the size of the resource unit group packet REG bundle, at least one REG in control channel resource collection with Specific mapping relations between CCE, the size of REG bundle are the REG for including when referring to REG mapping in CCE in each CCE Number, representative value are 4 or 6, nRNTI,NportIdentical as the meaning of above-mentioned formula (1), details are not described herein again；
The demodulated reference signal port number of above-mentioned candidate, which refers to, pre-set can be used for sending Downlink Control Information Port sum.Such as: the port that the network equipment can be used for sending Downlink Control Information is respectively: 107,108,109, 110, candidate demodulated reference signal port number is 4, i.e. NportIt is 4, even if when sending Downlink Control Information, network Equipment may use: one of port in 107,108,109,110 ports is sent, candidate demodulation reference Signal port number also refers to 4.
It should be noted that port mapping value n ' in addition to meeting above three formula, can also meet according to control channel Other formula that the configuration parameter of resource collection and the user identifier of first terminal equipment determine, are not this application any Limitation.
The determination of above-mentioned port mapping value, when the network equipment emits signal and first terminal equipment receives signal, network Equipment and first terminal equipment can be realized respectively.
Further, based on port mapping value n ' is obtained later, the network equipment can be according to port mapping relationship opposite end Mouth mapping value is inquired to obtain the port numbers of demodulated reference signal port.Wherein, by taking two-port as an example, port mapping relationship It is as shown in table 1:
Table 1
n′ Port
0 7
1 8
The above method can extend to four ports, the even more ports in eight ports, in addition, above-mentioned formula only determines port A kind of method of mapping value passes through the configuration parameter of control channel resource collection and the identity of first terminal equipment for other Label does not do any restrictions the method that obtains above-mentioned port mapping value, the application.
Due to each network device services terminal device number often beyond port number, be based on the above method The port of determining DMRS necessarily will appear two kinds of results: one, multiple and different terminal devices port numbers having the same, Two, multiple and different terminal devices has different port numbers.
In one example, after the network equipment determines demodulated reference signal port numbers, under the network equipment directly passes through Row control signaling notifies demodulated reference signal port numbers to give first terminal equipment.
703, the network equipment is provided according to the sending time unit of monitoring period instruction in the time-frequency of control channel resource collection On source, Downlink Control Information and the first demodulation reference information are sent to first terminal equipment by demodulated reference signal port.
In one example, the sending time unit of monitoring period instruction includes at least one time list monitored in the period Member, time quantum are the time for sending one-unit message.
In one example, the running time-frequency resource of control channel resource collection is by the network equipment according to control channel resource collection Frequency location, control channel resource collection orthogonal frequency division multiplex OFDM primary sign number and control channel resource The number of OFDM symbol determines in the duration of set, in addition, the running time-frequency resource of control channel resource collection can also root It is determined according to the configuration parameter of control resource collection using other methods of determination, any restrictions is not done to this application.
The determination of the running time-frequency resource of control channel resource collection is detailed in the associated description in above-mentioned steps 701, herein to this It repeats no more.
In one example, the network equipment generates the first scrambling parameter and the second scrambling parameter, the first scrambling parameter are used for The first demodulated reference signal is generated for first terminal equipment, the second scrambling parameter is used to generate the second solution for second terminal equipment Adjust reference information.Second terminal equipment includes at least one terminal device in the application, and equally, the second scrambling parameter can wrap Include at least one scrambling parameter, wherein the network equipment is each the second scrambling parameter of terminal equipment configuration in second terminal equipment In a scrambling parameter, any limit is not done to the quantity of second terminal equipment and the quantity of the second scrambling parameter in the application System.
In one example, after the network equipment generates the first scrambling parameter and the second scrambling parameter, the network equipment to First terminal equipment sends the first scrambling parameter and the second scrambling parameter, and first terminal equipment is carried out using the first scrambling parameter Channel estimation, first terminal equipment carry out Interference Estimation using the second scrambling parameter, and specific descriptions see below step 704.
In one example, the network equipment generates Downlink Control Information and the first demodulation reference information, wherein the first demodulation Reference information is for assisting first terminal equipment to receive Downlink Control Information.Wherein, the first demodulation reference information can be DMRS is also possible to other signals, does not do any restrictions to this application.
In one example, the network equipment generates demodulated reference signal sequence, the as first solution according to the first scrambling parameter Reference information is adjusted, specific generation method is as follows:
Firstly, the network equipment generates demodulated reference signal sequence initial value according to the first scrambling parameter, wherein the first scrambling Parameter isWherein, SCID is the abbreviation that scrambling parameter identifies scrambling ID, and demodulated reference signal sequence is initial Value is cinit, then cinitWithMeet:
Wherein, nsIt is the index of slot s lot,It is taken under It is whole；
DMRS sequence can be pseudo noise (pseudo noise, PN) sequence, be also possible to other sequences, to this Any restrictions are not done in application.The method for generating PN sequence based on scrambling parameter is illustrated below, according to demodulation reference The generation method that signal initial value generates PN sequence is specific as follows:
PN sequence is indicated with c (n), wherein n=0,1 ..., MPN- 1, wherein MPNFor the length of PN sequence；
C (n)=(x1(n+NC)+x2(n+NC)) mod 2, wherein NC=1600, x1It is a m-sequence, x1(n+31)= (x1(n+3)+x1(n)) 2 mod, initial value x1(0)=1, x1(n)=0, n=1,2 ..., 30, and x2Initial value be then By cinitIt determines:C (n) sequence of above-mentioned generation is used directly as DMRS sequence.
In one example, the network equipment is according to the second scrambling parameterGenerate demodulated reference signal sequence, as the Two demodulation reference information, wherein generation method and the above-mentioned network equipment are according to the first scrambling parameter the second demodulation reference sequence of generation The method of column is similar, and details are not described herein again.In addition, the network equipment adds to the first scrambling parameter of second terminal equipment transmission, second Disturb parameter and the second demodulation reference information.
In one example, the network equipment sends the first scrambling parameter, the second scrambling parameter and the to second terminal equipment Two demodulation reference information.Wherein, the second demodulation reference information can be DMRS, be also possible to other signals, not to this application Do any restrictions.
In one example, the running time-frequency resource whole or portion that the first demodulation reference information and the second demodulation reference information occupy Divide overlapping, wherein the running time-frequency resource of control channel resource collection includes the running time-frequency resource that demodulation reference information occupies herein.
704, first terminal equipment according to the first scrambling parameter, the second scrambling parameter and carries the first demodulation reference information Signal detects the signal for carrying Downlink Control Information, obtains the Downlink Control Information of first terminal equipment.
First terminal equipment receives the configuration information that the network equipment is sent, the description of the configuration information such as above-mentioned steps 701 Similar, details are not described herein again.
The sending instant that first terminal equipment is indicated according to the monitoring period, in the running time-frequency resource of control channel resource collection On, the signal for the carrying Downlink Control Information that the network equipment is sent is received by demodulated reference signal port and carries the first solution Adjust the signal of reference information, wherein the determination of demodulated reference signal port is similar with the determination method in above-mentioned steps 702, right Details are not described herein again for this.
Wherein, the signal for carrying the first demodulation reference information refers to: the network equipment sends the first solution to first terminal equipment When adjusting reference information, precoding is carried out to the first demodulation reference information using pre-coding matrix, above-mentioned pre-coding matrix is basis Channel state information between the network equipment and first terminal equipment obtains, and the downlink control with transmission first terminal equipment The pre-coding matrix used when information processed is identical, obtains the signal after coding, traveling to by wireless channel after transmission Up to terminal device, it should be noted that the signal of incoming terminal equipment contains the ambient heat of response and the superposition of wireless channel Noise caused by noise and the network equipment and terminal device circuitry, the mixed signal that this terminal device receives are exactly Carry the signal of the first demodulation reference breath.Similarly, the network equipment to second terminal equipment send the second demodulation reference information with it is upper It is similar to state process.Wherein, detailed description can be found in the side that the downgoing control signal of first terminal is hereinafter obtained to first terminal Associated description in method.
In addition, carrying the description class of the signal of Downlink Control Information and the signal of above-mentioned the first demodulation reference of carrying information Seemingly, and the phase that can be found in the hereinafter method of the downgoing control signal to first terminal acquisition first terminal is described in detail Description is closed, details are not described herein again to this.
In one example, first terminal equipment receives the first scrambling parameter and the second scrambling ginseng that the network equipment is sent Number；
Further, first terminal equipment generates the first demodulation reference information according to the first scrambling parameter, also, first is whole End generates the second demodulation reference information according to the second scrambling parameter.
In one example, first terminal equipment according to the first demodulation reference information and carries the first demodulation reference information Signal carries out channel estimation, obtains channel estimation results.
Channel estimation is specific as follows: for example, the signal for the carrying demodulated reference signal that first terminal equipment receives are as follows: r =HP1s1+HP2s2+n0；Wherein, H indicates the channel matrix between the network equipment and first terminal equipment, P1Indicate that base station is sent The pre-coding matrix used when the Downlink Control Information of first terminal equipment, s1It is to control to believe with the downlink of first terminal equipment The associated first demodulation reference information of manner of breathing, P2It indicates to make when the network equipment sends the Downlink Control Information of second terminal equipment Pre-coding matrix, s2It is the second demodulation reference information associated with the Downlink Control Information of second terminal equipment, for For first terminal equipment, in the carrying demodulated reference signal signal received, HP2s2It is interference signal, n0Indicate noise；
First terminal equipment is according to the first scrambling parameterGenerate the first demodulation reference information sequence s1, specific raw It is detailed in the associated description in above-mentioned steps 703 at method, details are not described herein again to this, and first terminal equipment is according to s1When passing through Domain related operation carries out channel estimation and obtains channel estimation results HP1, further first terminal equipment needs estimate according to channel Count obtained HP1Detection for Downlink Control Information.
Further, first terminal equipment is according to the second demodulation reference information and the signal for carrying the first demodulation reference information Interference Estimation is carried out, Interference Estimation result is obtained.
Interference Estimation is specific as follows: similar with above-mentioned channel estimation, first terminal is according to the second scrambling parameterIt generates Second demodulation reference information sequence s2, specific generation method is detailed in the associated description in above-mentioned steps 703, herein to this It repeats no more, then, first terminal equipment is according to s2By time-domain related calculation, carries out Interference Estimation and obtain Interference Estimation knot Fruit HP2。
Still further, first terminal equipment is according to channel estimation results, Interference Estimation as a result, to downlink control letter is carried The signal of breath is detected, and the Downlink Control Information of first terminal is obtained.
It is similar with above-mentioned carrying demodulated reference signal, the signal for the carrying Downlink Control Information that first terminal receives are as follows: Y=HP1x1+HP2x2+n0, H indicates the channel matrix between the network equipment and first terminal equipment, P1Indicate that base station sends first The pre-coding matrix used when the Downlink Control Information of terminal, x1It is the Downlink Control Information of first terminal, P2Indicate base station hair The pre-coding matrix used when sending the Downlink Control Information of second terminal equipment, x2, it is the downlink control letter of second terminal equipment Breath, for first terminal equipment, HP2x2It is interference signal；
In turn, the HP that first terminal equipment obtains Interference Estimation2Singular value SVD decomposition is carried out, it is empty to choose therein zero Between vectorIt obtainsThe HP finally obtained according to channel estimation1AndIt obtains to the end Receive signalWherein
It is understood that the method similar with above-mentioned first terminal also can be used for second terminal equipment Obtain the Downlink Control Information of second terminal.
In the present embodiment, the network equipment and terminal device are the configuration ginsengs by controlling resource collection when determining port Several and terminal device mark, which calculates, to be obtained, and does not need additional Signalling exchange, which solves the prior art (two-step evolutions Channel architecture) in due to first order down control channel possible demodulation failure bring robustness problem and signaling overheads Excessive problem.
For each terminal device, the corresponding demodulated reference signal port of each control channel resource collection, Therefore, the estimated result that first terminal equipment carries out that a channel estimation obtains can be used in the same control channel resource Downlink Control Information in set carries out repeated detection.
Further, first terminal enables to first terminal equipment according to the first scrambling parameter and the second scrambling parameter For second terminal equipment, it can equally be made according to the interference signal that the second scrambling parameter obtains second terminal equipment The interference signal that second terminal equipment obtains first terminal equipment is obtained, therefore, terminal device can measure interference signal, and Interference elimination is carried out, to reduce interfering with each other between terminal device in nonopiate Downlink Control Information transmission.
As shown in figure 8, the signal in the application is sent and another embodiment of signal acceptance method, comprising:
801, the network equipment generates the first scrambling parameter and the second scrambling parameter.
In one example, the network equipment generates the first demodulation reference information, network equipment root according to the first scrambling parameter The second demodulated signal is generated according to the second scrambling parameter.Its specific network equipment, which generates the first demodulation according to the first scrambling parameter, joins It examines information and the network equipment and above-described embodiment is detailed according to the method that the second scrambling parameter generates the second demodulation reference information Associated description in step 703, to this, details are not described herein again.
802, the network equipment sends the first scrambling parameter and the second scrambling parameter to first terminal equipment.
After the network equipment generates the first scrambling parameter and the second scrambling parameter, the network equipment is sent out to first terminal equipment Send the first scrambling parameter and the second scrambling parameter.
803, the network equipment sends the first scrambling parameter and the second scrambling parameter to second terminal equipment.
After the network equipment generates the first scrambling parameter and the second scrambling parameter, the network equipment is sent out to second terminal equipment Send the first scrambling parameter and the second scrambling parameter.
Wherein, without limitation to the execution sequence of above-mentioned steps 802 and step 803.
804, the sending instant that the network equipment is indicated according to the monitoring period, in the running time-frequency resource of control channel resource collection On, letter is controlled to the downlink that first terminal sends the first demodulation reference information and first terminal by demodulated reference signal port Breath.
Step 804 is similar with above-mentioned steps 703, and to this, details are not described herein again.
In one example, before step 804 further include: the network equipment sends configuration information to first terminal equipment, Wherein, remaining associated description and above-mentioned steps 701, to this, details are not described herein again.
Further, the network equipment is set according to the configuration parameter of control channel resource collection, the network equipment for first terminal At least one information in the monitoring period of standby configuration and the user identifier of first terminal equipment determines first port, wherein the Single port is the network equipment and the demodulated reference signal port that first terminal equipment is transmitted into data.Remaining associated description with it is upper It is similar to state step 702, details are not described herein again to this.
805, first terminal equipment according to the first scrambling parameter, the second scrambling parameter and carries the first demodulation reference information Signal detects the signal for the Downlink Control Information for carrying first terminal, obtains the downlink control letter of first terminal equipment Breath.
This step 805 is similar with above-mentioned steps 704, and to this, details are not described herein again.
806, the sending instant that the network equipment is indicated according to the monitoring period, in the running time-frequency resource of control channel resource collection On, letter is controlled to the downlink that second terminal sends the second demodulation reference information and second terminal by demodulated reference signal port Breath.
Step 806 is similar with above-mentioned steps 703, and to this, details are not described herein again.
In one example, before step 806 further include: the network equipment sends configuration information to second terminal equipment, Wherein, remaining associated description and above-mentioned steps 701, to this, details are not described herein again.
Further, the network equipment is set according to the configuration parameter of control channel resource collection, the network equipment for second terminal At least one information in the monitoring period of standby configuration and the user identifier of second terminal equipment determines second port, wherein the Two-port netwerk is the network equipment and the demodulated reference signal port that second terminal equipment is transmitted into data.Remaining associated description with it is upper It is similar to state step 702, details are not described herein again to this.
Wherein, the execution sequence of step 804 and step 806 is without limitation.
807, second terminal equipment according to the first scrambling parameter, the second scrambling parameter and carries the second demodulation reference information Signal detects the signal for the Downlink Control Information for carrying second terminal, obtains the downlink control letter of second terminal equipment Breath.
This step 807 is similar with above-mentioned steps 704, and to this, details are not described herein again.
In the present embodiment, first terminal enables to first terminal to set according to the first scrambling parameter and the second scrambling parameter The standby interference signal for obtaining second terminal equipment according to the second scrambling parameter equally, can for second terminal equipment So that second terminal equipment obtains the interference signal of first terminal equipment, therefore, terminal device can measure interference signal, And interference elimination is carried out, to reduce interfering with each other between terminal device in nonopiate Downlink Control Information transmission.
Further, for each terminal device, the corresponding demodulation reference of each control channel resource collection Signal port, therefore, first terminal equipment, which carries out the estimated result that a channel estimation obtains, can be used in the same control Downlink Control Information in channel resource set carries out repeated detection.
Secondly, being illustrated to one embodiment of the network equipment in the application, as shown in figure 9, the dress in the application The one embodiment set, comprising:
Processing unit 901 and communication unit 902；Wherein,
Communication unit 902 is used to send configuration information to first terminal equipment, and above-mentioned configuration information includes control channel money The configuration parameter of source set and the monitoring period of Downlink Control Information, the configuration parameter of above-mentioned control channel resource collection include It is used to indicate at least one of following parameter: the frequency domain position of above-mentioned control channel resource collection, above-mentioned control channel resource set The primary sign of the orthogonal frequency division multiplexing of conjunction, the duration of above-mentioned control channel resource collection；
Processing unit 901, for the configuration parameter and above-mentioned first terminal equipment according to above-mentioned control channel resource collection User identifier, determine demodulated reference signal port；And generate Downlink Control Information and the first demodulation reference information；
Communication unit 902 is also used to the sending time unit indicated according to the above-mentioned monitoring period, provides in above-mentioned control channel On the running time-frequency resource of source set, above-mentioned downlink control is sent to above-mentioned first terminal equipment by above-mentioned demodulated reference signal port Information processed and above-mentioned first demodulation reference information.
In a kind of example, the sending time unit of above-mentioned monitoring period instruction includes at least one in the above-mentioned monitoring period A time quantum；The running time-frequency resource of above-mentioned control channel resource collection is by the above-mentioned network equipment according to above-mentioned control channel resource The frequency domain position of set, above-mentioned control channel resource collection OFDM symbol primary sign and above-mentioned control letter What the duration of road resource collection determined.
In a kind of example, above-mentioned processing unit 901 is also used to generate the first scrambling parameter and the second scrambling parameter, on The first scrambling parameter is stated for generating above-mentioned first demodulation reference information for above-mentioned first terminal equipment, above-mentioned second scrambling is joined Number is for generating the second demodulation reference information, above-mentioned first demodulation reference information and above-mentioned second demodulation for second terminal equipment The running time-frequency resource that reference information occupies completely or partially is overlapped；
Above-mentioned processing unit 901 is also used to generate above-mentioned first demodulation reference information according to above-mentioned first scrambling parameter；
Above-mentioned communication unit 902 is also used to send above-mentioned first scrambling parameter and above-mentioned the to above-mentioned first terminal equipment Two scrambling parameters；
Above-mentioned processing unit 901 is also used to generate the second demodulation reference information according to above-mentioned second scrambling parameter；
Above-mentioned communication unit 902 is also used to send above-mentioned first scrambling parameter, above-mentioned second scrambling to second terminal equipment Parameter and above-mentioned second demodulation reference information.
In a kind of example, above-mentioned processing unit 901 is also used to the configuration parameter according to above-mentioned control channel resource collection With the user identifier of above-mentioned first terminal equipment, port mapping value, above-mentioned port mapping value and above-mentioned demodulated reference signal are determined Port has one-to-one relationship；
Above-mentioned processing unit 901 is also used to determine above-mentioned demodulated reference signal port according to above-mentioned port mapping value.
In a kind of example, above-mentioned port mapping value be n ', n ' satisfaction:
Wherein, nREG, lOw is the index of the resource unit group of the starting point of above-mentioned control channel resource collection frequency domain position Value,For the control channel element number in above-mentioned control channel resource collection, nRNTIFor above-mentioned first terminal equipment User identifier,For the control channel for being used for transmission above-mentioned Downlink Control Information in above-mentioned control channel resource collection Element number, NportFor candidate demodulated reference signal port number；
Or, above-mentioned port mapping value n ' satisfaction:
Wherein, nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of above-mentioned control channel resource collection,For the number of the OFDM symbol of the duration of above-mentioned control channel resource collection, nRNTIIt is above-mentioned The user identifier of one terminal device,To be used for transmission above-mentioned Downlink Control Information in above-mentioned control channel resource collection Control channel element number, NportFor candidate demodulated reference signal port number.
As shown in figure 9, another device in the application implementation, comprising:
Processing unit 901 and communication unit 902,
Above-mentioned communication unit 902, for receiving the configuration information of network equipment transmission, above-mentioned configuration information includes control letter The configuration parameter of road resource collection and the monitoring period of Downlink Control Information, the configuration parameter of above-mentioned control channel resource collection Including being used to indicate at least one of following parameter: the frequency domain position of above-mentioned control channel resource collection, above-mentioned control channel money Gather the primary sign of orthogonal frequency division multiplexing, the duration of above-mentioned control channel resource collection in source；
Above-mentioned communication unit 902 is also used to the sending time unit indicated according to the above-mentioned monitoring period, believes in above-mentioned control On the running time-frequency resource of road resource collection, by above-mentioned demodulated reference signal port receive carry Downlink Control Information signal and Carry the signal of the first demodulation reference information；
Above-mentioned processing unit 901 is joined for being demodulated according to the first scrambling parameter, the second scrambling parameter and above-mentioned carrying first The signal for examining information detects the signal of above-mentioned carrying Downlink Control Information, obtains the downlink control letter of first terminal Breath.
In a kind of example, the sending time unit of above-mentioned monitoring period instruction includes at least one in the above-mentioned monitoring period A time quantum；The running time-frequency resource of above-mentioned control channel resource collection is by the above-mentioned network equipment according to above-mentioned control channel resource The frequency domain position of set, above-mentioned control channel resource collection OFDM symbol primary sign and above-mentioned control letter What the duration of road resource collection determined.
In a kind of example, above-mentioned communication unit 902 is also used to receive above-mentioned first scrambling that the above-mentioned network equipment is sent Parameter and above-mentioned second scrambling parameter；
Above-mentioned processing unit 901 is also used to generate the first demodulation reference information according to above-mentioned first scrambling parameter；
Above-mentioned processing unit 901 is also used to generate the second demodulation reference information according to above-mentioned second scrambling parameter；Above-mentioned The running time-frequency resource that one demodulation reference information and above-mentioned second demodulation reference information occupy partly or entirely is overlapped.
Above-mentioned processing unit 901 is also used to according to the first demodulation reference of above-mentioned first demodulation reference information and above-mentioned carrying The signal of information carries out channel estimation, obtains channel estimation results；
Above-mentioned processing unit 901 is also used to according to the first demodulation reference of above-mentioned second demodulation reference information and above-mentioned carrying The signal of information carries out Interference Estimation, obtains Interference Estimation result；
Above-mentioned processing unit 901 is also used to according to above-mentioned channel estimation results, above-mentioned Interference Estimation as a result, taking to above-mentioned Signal with Downlink Control Information is detected, and the Downlink Control Information of above-mentioned first terminal is obtained.
In a kind of example, above-mentioned processing unit 901 is also used to the configuration parameter according to above-mentioned control channel resource collection With the user identifier of above-mentioned first terminal equipment, port mapping value, above-mentioned port mapping value and above-mentioned demodulated reference signal are determined Port has one-to-one relationship；
Above-mentioned processing unit 901 is also used to determine above-mentioned demodulated reference signal port according to above-mentioned port mapping value.
In a kind of example, above-mentioned port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index of the resource unit group of the starting point of above-mentioned control channel resource collection frequency domain position Value,For the control channel element number in above-mentioned control channel resource collection, nRNTIFor above-mentioned first terminal equipment User identifier,For the control channel for being used for transmission above-mentioned Downlink Control Information in above-mentioned control channel resource collection Element number, NportFor candidate demodulated reference signal port number；
Or, above-mentioned port mapping value n ' satisfaction:
Wherein nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of above-mentioned control channel resource collection, For the number of the OFDM symbol of the duration of above-mentioned control channel resource collection, nRNTIFor above-mentioned first terminal The user identifier of equipment,For the control for being used for transmission above-mentioned Downlink Control Information in above-mentioned control channel resource collection Channel element number, NportFor candidate demodulated reference signal port number.
The beneficial effect of above-mentioned apparatus is similar with the description of above-mentioned Fig. 7 and Fig. 8, and to this, details are not described herein again.
In a kind of possible design, when the device is terminal, terminal includes: processing unit and communication unit, described Processing unit for example can be processor, and the communication unit for example can be transceiver, and the transceiver includes radio frequency electrical Road, optionally, the terminal further include storage unit, which for example can be memory.When terminal includes that storage is single When first, the storage unit is for storing computer executed instructions, which connect with the storage unit, the processing unit The computer executed instructions for executing storage unit storage, so that the terminal executes the wireless of above-mentioned first aspect any one Communication means.
In alternatively possible design, when the device is the chip in terminal, chip includes: processing unit and communication Unit, the processing unit for example can be processor, the communication unit for example can be input/output interface, pin or Circuit etc..The computer executed instructions of storage unit storage can be performed in the processing unit, so that the chip in the terminal executes State the wireless communications method of first aspect any one.Optionally, the storage unit is the storage unit in the chip, Such as register, caching, the storage unit can also be the storage unit positioned at the chip exterior in the terminal, Such as read-only memory (read-only memory, ROM) or the other kinds of static storage of static information and instruction can be stored Equipment, random access memory (random access memory, RAM) etc..
Wherein, the processor that any of the above-described place mentions, can be a general central processor (CPU), and microprocessor is special Determine application integrated circuit (application-specific integrated circuit, ASIC), or one or more use In the integrated circuit that the program for controlling above-mentioned first aspect wireless communications method executes.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or group Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, between device or unit Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs Purpose.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution essence of the application On all or part of the part that contributes to existing technology or the technical solution can be with the shape of software product in other words Formula embodies, which is stored in a storage medium, including some instructions are used so that a calculating Machine equipment (can be personal computer, server or the network equipment etc.) executes each embodiment the method for the application All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can be with Store the medium of program code.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, each embodiment technical proposal scope of the application that it does not separate the essence of the corresponding technical solution.

Claims (26)

1. a kind of signaling method characterized by comprising
The network equipment sends configuration information to first terminal equipment, and the configuration information includes the configuration of control channel resource collection The monitoring period of parameter and Downlink Control Information, the configuration parameter of the control channel resource collection include be used to indicate with down toward The parameter of one item missing: the frequency domain position of the control channel resource collection, the orthogonal frequency division multiplexing of the control channel resource collection Primary sign, the duration of the control channel resource collection；
The network equipment is marked according to the configuration parameter of the control channel resource collection and the user of the first terminal equipment Know, determines demodulated reference signal port；
The network equipment generates Downlink Control Information and the first demodulation reference information；
The network equipment according to it is described monitoring the period instruction sending time unit, the control channel resource collection when In frequency resource, the Downlink Control Information and described is sent to the first terminal equipment by the demodulated reference signal port First demodulation reference information.
2. signaling method according to claim 1, which is characterized in that the sending time list of the monitoring period instruction Member includes at least one time quantum in the monitoring period；The running time-frequency resource of the control channel resource collection is by the net Network equipment is accorded with according to the frequency domain position of the control channel resource collection, the orthogonal frequency division multiplexing of the control channel resource collection Number primary sign and the control channel resource collection duration determine.
3. signaling method according to claim 1 or 2, which is characterized in that the network equipment generates the first demodulation Reference information, comprising:
The network equipment generates the first scrambling parameter and the second scrambling parameter, and first scrambling parameter is used to be described first Terminal device generates the first demodulation reference information, and second scrambling parameter is used to generate the second solution for second terminal equipment Reference information is adjusted, the running time-frequency resource that the first demodulation reference information and the second demodulation reference information occupy is all or part of Overlapping；
The network equipment generates the first demodulation reference information according to first scrambling parameter；
The method also includes:
The network equipment sends first scrambling parameter and second scrambling parameter to the first terminal equipment；
The network equipment generates the second demodulation reference information according to second scrambling parameter；
The network equipment sends first scrambling parameter, second scrambling parameter and described second to second terminal equipment Demodulation reference information.
4. signaling method according to any one of claim 1 to 3, which is characterized in that the network equipment according to The user identifier of the configuration parameter of the control channel resource collection and the first terminal equipment determines the demodulation reference letter Number port, comprising:
The network equipment is marked according to the configuration parameter of the control channel resource collection and the user of the first terminal equipment Know, determine port mapping value, the port mapping value and the demodulated reference signal port have one-to-one relationship；
The network equipment determines the demodulated reference signal port according to the port mapping value.
5. signal transmitting method according to claim 4, which is characterized in that
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index value of the resource unit group of the starting point of the control channel resource collection frequency domain position,For the control channel element number in the control channel resource collection, nRNTIFor the use of the first terminal equipment Family mark,For the control channel member prime number for being used for transmission the Downlink Control Information in the control channel resource collection Mesh, NportFor candidate demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of the control channel resource collection,For institute State the number of the OFDM symbol of the duration of control channel resource collection, nRNTIFor the first terminal equipment User identifier,For the control channel element for being used for transmission the Downlink Control Information in the control channel resource collection Number, NportFor candidate demodulated reference signal port number.
6. a kind of signal acceptance method characterized by comprising
First terminal equipment receives the configuration information that the network equipment is sent, and the configuration information includes control channel resource collection The monitoring period of configuration parameter and Downlink Control Information, the configuration parameter of the control channel resource collection include be used to indicate with At least one of lower parameter: the frequency domain position of the control channel resource collection, the control channel resource collection orthogonal frequency The primary sign of multiplexing, the duration of the control channel resource collection；
The sending time unit that the first terminal equipment is indicated according to the monitoring period, in the control channel resource collection Running time-frequency resource on, pass through the demodulated reference signal port receive carry Downlink Control Information signal and carry first demodulation The signal of reference information；
The first terminal equipment is according to the first demodulation reference information of the first scrambling parameter, the second scrambling parameter and the carrying Signal detects the signal for carrying Downlink Control Information, obtains the Downlink Control Information of the first terminal.
7. signal acceptance method according to claim 6, which is characterized in that the sending time list of the monitoring period instruction Member includes at least one time quantum in the monitoring period；The running time-frequency resource of the control channel resource collection is by the net Network equipment is accorded with according to the frequency domain position of the control channel resource collection, the orthogonal frequency division multiplexing of the control channel resource collection Number primary sign and the control channel resource collection duration determine.
8. signal acceptance method according to claim 6 or 7, which is characterized in that the method also includes:
The first terminal equipment receives first scrambling parameter and second scrambling parameter that the network equipment is sent；
The first terminal equipment generates the first demodulation reference information according to first scrambling parameter；
The first terminal equipment generates the second demodulation reference information according to second scrambling parameter；First demodulation reference The running time-frequency resource that information and the second demodulation reference information occupy partly or entirely is overlapped.
9. signal acceptance method according to claim 8, which is characterized in that the first terminal equipment is according to described first Scrambling parameter, second scrambling parameter and the signal for carrying the first demodulation reference information, control the carrying downlink The signal of information is detected, and the Downlink Control Information of the first terminal is obtained, comprising:
The first terminal equipment is according to the first demodulation reference information and the signal for carrying the first demodulation reference information Channel estimation is carried out, channel estimation results are obtained；
The first terminal equipment is according to the second demodulation reference information and the signal for carrying the first demodulation reference information Interference Estimation is carried out, Interference Estimation result is obtained；
The first terminal equipment is according to the channel estimation results, the Interference Estimation as a result, controlling the carrying downlink The signal of information is detected, and the Downlink Control Information of the first terminal is obtained.
10. signal acceptance method according to any one of claims 6 to 9, which is characterized in that set in the first terminal The standby sending time unit according to the monitoring period instruction passes through on the running time-frequency resource of the control channel resource collection The demodulated reference signal port receive the signal for carrying Downlink Control Information and the signal for carrying the first demodulation reference information it Before, further includes:
The first terminal equipment is according to the configuration parameter of the control channel resource collection and the use of the first terminal equipment Family mark, determines port mapping value, and the port mapping value and the demodulated reference signal port have one-to-one relationship；
The first terminal equipment determines the demodulated reference signal port according to the port mapping value.
11. signal acceptance method according to claim 10, which is characterized in that
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index value of the resource unit group of the starting point of the control channel resource collection frequency domain position,For the control channel element number in the control channel resource collection, nRNTIFor the use of the first terminal equipment Family mark,For the control channel member prime number for being used for transmission the Downlink Control Information in the control channel resource collection Mesh, NportFor candidate demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of the control channel resource collection,For institute State the number of the OFDM symbol of the duration of control channel resource collection, nRNTIFor the first terminal equipment User identifier,For the control channel element for being used for transmission the Downlink Control Information in the control channel resource collection Number, NportFor candidate demodulated reference signal port number.
12. a kind of device characterized by comprising processing unit and communication unit；Wherein,
The communication unit is used to send configuration information to first terminal equipment, and the configuration information includes control channel resource set The configuration parameter of conjunction and the monitoring period of Downlink Control Information, the configuration parameter of the control channel resource collection includes for referring to Show at least one of following parameter: the frequency domain position of the control channel resource collection, the control channel resource collection is just Hand over the primary sign of frequency division multiplexing, the duration of the control channel resource collection；
The processing unit, for according to the configuration parameter of the control channel resource collection and the use of the first terminal equipment Family mark, determines demodulated reference signal port；And generate Downlink Control Information and the first demodulation reference information；
The communication unit is also used to the sending time unit according to the monitoring period instruction, in the control channel resource On the running time-frequency resource of set, the downlink control letter is sent to the first terminal equipment by the demodulated reference signal port Breath and the first demodulation reference information.
13. device according to claim 12, which is characterized in that it is described monitoring the period instruction sending time unit include At least one time quantum in the monitoring period；The running time-frequency resource of the control channel resource collection is by the network equipment According to of the frequency domain position of the control channel resource collection, the OFDM symbol of the control channel resource collection What the duration of beginning symbol and the control channel resource collection determined.
14. device according to claim 12 or 13, which is characterized in that the processing unit is also used to generate first and adds Parameter and the second scrambling parameter are disturbed, first scrambling parameter is used to generate the first demodulation ginseng for the first terminal equipment Information is examined, second scrambling parameter is used to generate the second demodulation reference information, the first demodulation ginseng for second terminal equipment The running time-frequency resource that information and the second demodulation reference information occupy is examined completely or partially to be overlapped；
The processing unit is also used to generate the first demodulation reference information according to first scrambling parameter；
The communication unit is also used to send first scrambling parameter and the second scrambling ginseng to the first terminal equipment Number；
The processing unit is also used to generate the second demodulation reference information according to second scrambling parameter；
The communication unit, be also used to send to second terminal equipment first scrambling parameter, second scrambling parameter and The second demodulation reference information.
15. device described in any one of 2 to 14 according to claim 1, which is characterized in that the processing unit, it is also used to root According to the configuration parameter of the control channel resource collection and the user identifier of the first terminal equipment, port mapping value is determined, The port mapping value and the demodulated reference signal port have one-to-one relationship；
The processing unit is also used to determine the demodulated reference signal port according to the port mapping value.
16. device according to claim 15, which is characterized in that
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index value of the resource unit group of the starting point of the control channel resource collection frequency domain position,For the control channel element number in the control channel resource collection, nRNTIFor the use of the first terminal equipment Family mark,For the control channel member prime number for being used for transmission the Downlink Control Information in the control channel resource collection Mesh, NportFor candidate demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein, nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of the control channel resource collection,For institute State the number of the OFDM symbol of the duration of control channel resource collection, nRNTIFor the first terminal equipment User identifier,For the control channel element for being used for transmission the Downlink Control Information in the control channel resource collection Number, NportFor candidate demodulated reference signal port number.
17. a kind of device characterized by comprising processing unit and communication unit；
The communication unit, for receiving the configuration information of network equipment transmission, the configuration information includes control channel resource The configuration parameter of set and the monitoring period of Downlink Control Information, the configuration parameter of the control channel resource collection include being used for Indicate at least one of following parameter: the frequency domain position of the control channel resource collection, the control channel resource collection is just Hand over the primary sign of frequency division multiplexing, the duration of the control channel resource collection；
The communication unit is also used to the sending time unit according to the monitoring period instruction, in the control channel resource On the running time-frequency resource of set, the signal for carrying Downlink Control Information and carrying first are received by the demodulated reference signal port The signal of demodulation reference information；
The processing unit, for according to the first demodulation reference information of the first scrambling parameter, the second scrambling parameter and the carrying Signal, to it is described carry Downlink Control Information signal detect, obtain the Downlink Control Information of first terminal.
18. device according to claim 17, which is characterized in that it is described monitoring the period instruction sending time unit include At least one time quantum in the monitoring period；The running time-frequency resource of the control channel resource collection is by the network equipment According to of the frequency domain position of the control channel resource collection, the OFDM symbol of the control channel resource collection What the duration of beginning symbol and the control channel resource collection determined.
19. device described in 7 or 18 according to claim 1, which is characterized in that
The communication unit is also used to receive first scrambling parameter and the second scrambling ginseng that the network equipment is sent Number；
The processing unit is also used to generate the first demodulation reference information according to first scrambling parameter；
The processing unit is also used to generate the second demodulation reference information according to second scrambling parameter；First demodulation The running time-frequency resource that reference information and the second demodulation reference information occupy partly or entirely is overlapped.
20. device according to claim 19, which is characterized in that the processing unit,
It is also used to carry out channel according to the first demodulation reference information and the signal for carrying the first demodulation reference information to estimate Meter, obtains channel estimation results；
The processing unit is also used to according to the second demodulation reference information and the letter for carrying the first demodulation reference information Number carry out Interference Estimation, obtain Interference Estimation result；
The processing unit is also used to according to the channel estimation results, the Interference Estimation as a result, to the carrying downlink control The signal of information processed is detected, and the Downlink Control Information of the first terminal is obtained.
21. device described in any one of 7 to 20 according to claim 1, which is characterized in that the processing unit is also used to root According to the configuration parameter of the control channel resource collection and the user identifier of the first terminal equipment, port mapping value is determined, The port mapping value and the demodulated reference signal port have one-to-one relationship；
The processing unit is also used to determine the demodulated reference signal port according to the port mapping value.
22. device according to claim 21, which is characterized in that
The port mapping value be n ', n ' satisfaction:
Wherein, nREG, lowFor the index value of the resource unit group of the starting point of the control channel resource collection frequency domain position,For the control channel element number in the control channel resource collection, nRNTIFor the use of the first terminal equipment Family mark,For the control channel member prime number for being used for transmission the Downlink Control Information in the control channel resource collection Mesh, NportFor candidate demodulated reference signal port number；
Or, the port mapping value n ' satisfaction:
Wherein nOS, lowFor the number of the primary sign of the orthogonal frequency division multiplexing of the control channel resource collection,For institute State the number of the OFDM symbol of the duration of control channel resource collection, nRNTIFor the first terminal equipment User identifier,For the control channel element for being used for transmission the Downlink Control Information in the control channel resource collection Number, NportFor candidate demodulated reference signal port number.
23. a kind of computer program product, which is characterized in that when the computer product is run on computers, make to succeed in one's scheme Calculation machine can execute signaling method described in any one of the claims 1 to 5.
24. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing pressure inspection Computer software instructions used in device are surveyed, when the computer readable storage medium is run on computers, so that calculating Machine can execute signaling method described in any one of above-mentioned claim 1 to 5.
25. a kind of computer program product, which is characterized in that when the computer product is run on computers, make to succeed in one's scheme Calculation machine can execute signal acceptance method described in any one of the claims 6 to 11.
26. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing pressure inspection Computer software instructions used in device are surveyed, when the computer readable storage medium is run on computers, so that calculating Machine can execute signal acceptance method described in any one of above-mentioned claim 6 to 11.
CN201710690893.0A 2017-08-11 2017-08-11 A kind of signal sends, signal acceptance method and relevant device Pending CN109392154A (en)

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Application publication date: 20190226