CN107306146A - Port and the collocation method and device of wave beam - Google Patents

Port and the collocation method and device of wave beam Download PDF

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Publication number
CN107306146A
CN107306146A CN201610244655.2A CN201610244655A CN107306146A CN 107306146 A CN107306146 A CN 107306146A CN 201610244655 A CN201610244655 A CN 201610244655A CN 107306146 A CN107306146 A CN 107306146A
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port
wave beam
terminal
node
parameter
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CN107306146B (en
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王小鹏
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ZTE Corp
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ZTE Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/088Hybrid systems, i.e. switching and combining using beam selection

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

Abstract

The invention provides a kind of port and the collocation method and device of wave beam, this method includes:First node determines the maximum wave beam number M on port sum N and each port;The parameter K and/or parameter J of configuration are sent to terminal by first node by high-level signaling or physical layer signaling;During first node and terminal carry out wave beam training, J port set of first node receiving terminal feedback, the corresponding port index of each port set, and each corresponding wave beam in port;First node is determined to distribute to the port index of each terminal, and wave beam corresponding with each port, and the port index of determination and wave beam are sent into each terminal by high-level signaling or physical layer signaling.By the present invention, the problem of there is unreasonable port assignment, relatively low system effectiveness and larger wave beam training expense is solved in correlation technique.

Description

Port and the collocation method and device of wave beam
Technical field
The present invention relates to the communications field, in particular to a kind of port and the collocation method and device of wave beam.
Background technology
With the continuous progress of radiotechnics, various radio traffics are emerged in multitude, and radio traffic institute according to The frequency spectrum resource of support is limited, and bandwidth demand is continuously increased in face of people, what traditional business correspondence was mainly used Frequency spectrum resource shows extremely nervous situation between 300MHz~3GHz, can not meet the need of future wireless system Ask.
In future wireless system, it will use the load higher than the carrier frequency that forth generation (4G) communication system is used Wave frequency rate is communicated, such as 28GHz, 45GHz etc., and this high frequency channel has Free propagation loss larger, Easily by oxygen absorption, declined the shortcomings of influenceing big by rain, the covering performance of high frequency communication system has been had a strong impact on, in order to protect High-frequency communication is demonstrate,proved with there is approximate SINR, it is necessary to ensure the antenna gain of high-frequency communication in LTE system coverage. Fortunately, because the corresponding carrier frequency of high-frequency communication has shorter wavelength, it is possible to guarantor unit's area It is upper to accommodate more antenna elements, and more antenna elements mean that day can be improved using the method for wave beam forming Line gain, so as to ensure the covering performance of high-frequency communication.
Yet with number of antennas is more and the reason such as cost, the wave beam forming of high band is typically using mixed-beam figuration The number of form, i.e. system port (also referred to as RF (Radio Frequency) chain) is less than antenna (a period of time) number Mesh, a port several a period of time of correspondence, each port can adjust the amplitude and phase in each correspondence a period of time in radio-frequency head Position, so as to generate different wave beams in radio-frequency head.If base band has multiple ports, each port can correspond to one Individual radio frequency beam, and multiple ports can also further do base band wave beam forming.This base band adds the mixed-beam of radio frequency The wave beam forming that the form of figuration is used with current LTE system still has significant difference, and most significant difference is LTE Wave beam forming in system is the wave beam forming of base band, the wave beam forming without radio-frequency head.
Radio frequency beam figuration for base band wave beam forming, one be exactly the characteristics of important same port different frequencies Rate resource can only correspond to a radio frequency weight vector (radio frequency beam), and such restrictive condition brings all to system call It is more inconvenient, that is to say, that if system only one of which port, there are two users for needing to dispatch, if the two users Optimal radio frequency weight vector is inconsistent, then synchronization is (in LTE, corresponding to an OFDM (Orthogonal Frequency Division Multiplexing, referred to as OFDM) symbol), all frequencies in bandwidth Rate resource can only distribute to same user, even if frequency resource has residue, and another user can not also use.When being When system has multiple ports, this problem is just more serious, because radio frequency weight vector of the different user on all of the port is all Identical probability is just lower, and if all RF chains of a user occupancy, is also unfavorable for the resource between different user Multiplexing, is very poorly efficient for whole system.Therefore, RF chains can be regarded as in radio frequency system resource according to Need to distribute to different users.
And in the case where introducing radio frequency beam, transmitting-receiving two-end is when data transmission is carried out, it is necessary to carry out wave beam instruction Practice to complete the functions such as wave beam alignment, wave beam tracking and beam switchover.Have when system has on multiple RF chains, each RF During multiple radio frequency weight vectors, the time overhead and computing cost that system carries out wave beam training are all higher.For correlation technique In above mentioned problem, not yet there is effective solution at present.
The content of the invention
The invention provides a kind of port and the collocation method and device of wave beam, at least to solve to have port in correlation technique Unreasonable distribution, system effectiveness are relatively low and wave beam trains the problem of expense is larger.
According to another aspect of the present invention there is provided a kind of port and the collocation method of wave beam, including:First node is true Maximum wave beam number M on fixed end mouthful sum N and each port, wherein, a pair of each port and radio frequency chain 1 Should, and each port is corresponding with one group of wave beam;The parameter K and/or parameter J of configuration are passed through high level by the first node Signaling or physical layer signaling are sent to terminal, wherein, the K represents that the first node distributes to terminal during data transfer Port number, K port constitute a port group, and the J represents that terminal needs the quantity of port set fed back; During the first node and terminal carry out wave beam training, the first node receives J of the terminal feedback Port set, the corresponding port index of each port set, and the corresponding wave beam in each port;The first node determines to divide The port index of each terminal of dispensing, and wave beam corresponding with each port, and the port index of determination and wave beam are led to Cross high-level signaling or physical layer signaling is sent to each terminal.
Further, the first node determines parameter K and J by the information of at least one of:It is linked into described The terminal number of one node;It is linked into the position of the terminal of the first node;It is linked into the terminal of the first node Channel condition information;It is linked into the demand levels of the data of the terminal of the first node.
Further, the value of the K and the value of the J meet following all conditions:The value of the K and institute The value for stating J is respectively to be more than or equal to 1, and the integer of the value less than or equal to the N;The value of the K multiplies It is less than or equal to the value of the N with the result of the value of the J;The value of the N is compared with the value of the K Result be integer;The value of the K is more than or equal to result of the value of the N compared with P value, wherein, The P is to have the terminal number of demand data under the first node.
Further, methods described also includes:In the first node parameter K and the ginseng are sent to the terminal During number J, the parameter K and the parameter J is separately configured to each terminal in the first node.
Further, the first node is separately configured the parameter K and the parameter J to each terminal and included:It is described N number of RF chains are divided into N/K groups by first node according to K value, wherein, the RF chain cables in each group divided Draw what is be to determine, the terminal selects J packet to be fed back according to the RF chain indexs of determination from the packet divided.
Further, methods described also includes:The first node sends the parameter K and parameter J to terminal In one, wherein, the parameter not sent by the first node is determined by terminal by below equation:K*J=N.
Further, the first node carries out wave beam training with the terminal includes:On the different beams of same port, The first node sends pilot tone to carry out between different port, each port different beams by time division way to the terminal Training;Or, on different ports, the first node sends pilot tone by frequency division or code division mode to the terminal To carry out the training between different port, each port different beams.
According to a further aspect of the invention there is provided a kind of port and the collocation method of wave beam, including:Terminal receives the The maximum wave beam number M on port sum N and each port that one node is sent, wherein, each port and radio frequency Chain is corresponded, and each port is corresponding with one group of wave beam;Terminal receives first node and passes through physical layer signaling or high-rise letter The two parameter K and parameter J sent are made, wherein, the K represents that the first node distributes to terminal during data transfer Port number, K port constitute a port group, and the J represents that terminal needs the quantity of port set fed back; The terminal carries out the result of wave beam training according to the first node and the terminal, and J are fed back to the first node Port set, the corresponding port index of each port set, the corresponding wave beam in each port, and channel condition information;It is described Terminal receives the configuration information of port and wave beam that the first node passes through physical layer signaling or high-level signaling transmission.
Further, the terminal carries out the result of wave beam training according to the first node and the terminal, to described the One port set of node feeding back J, the corresponding port index of each port set, the corresponding wave beam in each port, and channel Status information includes:The handling capacity reached when the terminal is according to K port assignment terminal transmission data, according to K Individual port is one group, and the wave beam corresponding to each port in J groups and every group of group is fed back altogether;Wherein, first group of feedback Content include terminal throughput it is maximum when corresponding K port index and each port on wave beam, second group of feedback it is interior Hold include handling capacity it is second largest when corresponding K port index and each port on wave beam, or second group of feedback content Including corresponding K port index when terminal throughput is maximum in addition to first K port and the wave beam on each port; By that analogy, J groups feedback content include handling capacity J it is big when corresponding K port index and each port on ripple Beam, or J groups feedback content include corresponding K port rope when terminal throughput is maximum in addition to the port of first J-1 group Draw and each port on wave beam.
Further, the channel condition information includes at least one of:Each port set institute in J port set is right The channel quality indicator CQI information answered, P code book index MI information, order instruction RI information.
According to a further aspect of the invention there is provided a kind of port and the collocation method of wave beam, including:First node is true Maximum wave beam number M on fixed end mouthful sum N, and each port;The first node passes through physical layer signaling or height Layer signaling sends terminal parameter Msub, or, parameter K and parameter Msub, wherein, K represents base station during data transfer Distribute to UE port number, MsubRepresent the wave beam number on each port in base station during wave beam training;The first segment Point determines the beam index of each port during wave beam training, and carries out wave beam training with terminal;The first node is received eventually The corresponding wave beam of K port index and each port of feedback is held, and the port and wave beam are passed through into physical layer signaling or height Layer signaling is sent to terminal.
Further, the first node determines parameter K and M by the condition of at least one ofsub:It is linked into described The terminal number of first node;It is linked into the position of the terminal of the first node;It is linked into the terminal of the first node Channel condition information;It is linked into the demand levels of the data of the user of the first node;The first node is each held Maximum wave beam number on mouth.
Further, terminal parameter M is notified by physical layer signaling or high-level signaling in the first nodesubWhen, K ginsengs Number is determined by below equation:
Terminal parameter M is notified by physical layer signaling or high-level signaling in the first nodesubAnd during parameter K, institute State first node and be separately provided parameter K, and configuration parameter M for each terminalsubIt is all identical for all terminals.
Further, during wave beam training is carried out, on the different beams of same port, the first node leads to Cross time division way and send pilot tone, to carry out the training between different port, each port different beams;Carrying out wave beam training During, on different ports, the first node sends pilot tone by way of frequency division or code division, to carry out Training between different port, each port different beams.
Further, the first node predefines the grouping set of port.
According to a further aspect of the invention there is provided a kind of port and the collocation method of wave beam, including:Terminal receives the The maximum wave beam number M on port sum N and each port that one node is sent, wherein, each port and radio frequency Chain is corresponded, and each port is corresponding with one group of wave beam;Terminal receives first node and passes through physical layer signaling or high-rise letter Make the parameter M sentsub, or, parameter K and Msub, wherein, K represents that UE's distributed in base station during data transfer Port number, MsubRepresent the wave beam number on each port in base station during wave beam training;The terminal according to the terminal with The result that the first node carries out wave beam training sends K port index and each port correspondence to the first node Wave beam;The terminal sends channel condition information to the first node;The terminal receives the first node and passed through Physical layer signaling or high-level signaling send the port of distribution and the configuration information of wave beam.
Further, the terminal according to K port assignment to terminal transmission data when the handling capacity that is reached, to described Wave beam when first node feedback handling capacity is maximum on corresponding K port index and each port.
Further, the channel condition information includes at least one of:Each port set institute in J port set is right The channel quality indicator CQI information answered, P code book index MI information, order instruction RI information.
According to a further aspect of the invention there is provided a kind of port and the configuration device of wave beam, applied to first node side, Including:First determining module, for determining the maximum wave beam number M on port sum N and each port, wherein, Each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;Sending module, for that will configure Parameter K and/or parameter J terminal is sent to by high-level signaling or physical layer signaling, wherein, the K represents data The first node distributes to the number of the port of terminal during transmission, and K port constitutes a port group, and the J is represented Terminal needs the quantity for the port set fed back;First receiving module, for carrying out wave beam instruction in the first node and terminal In experienced process, J port set of terminal feedback is received, the corresponding port index of each port set, and each The corresponding wave beam in port;Configuration module, for determining to distribute to the port index of each terminal, and with each port pair The wave beam answered, and the port index of determination and wave beam are sent to each terminal by high-level signaling or physical layer signaling.
According to a further aspect of the invention there is provided a kind of port and the configuration device of wave beam, applied to end side, bag Include:Second receiving module, the maximum wave beam number on port sum N and each port for receiving first node transmission M, wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;3rd receives mould Block, for receiving two parameter K and parameter J that first node is sent by physical layer signaling or high-level signaling, wherein, The K represents that first node during data transfer distributes to the number of the port of terminal, and K port constitutes a port Group, the J represents that terminal needs the quantity of the port set of feedback;Feedback module, for according to the first node and institute The result that terminal carries out wave beam training is stated, J port set, the corresponding port of each port set are fed back to the first node Index, the corresponding wave beam in each port, and channel condition information;4th receiving module, for receiving the first segment Port and the configuration information of wave beam that point is sent by physical layer signaling or high-level signaling.
According to a further aspect of the invention there is provided a kind of port and the configuration device of wave beam, applied to first node side, Including:Second determining module, for determining the maximum wave beam number M on port sum N, and each port;Second Sending module, for sending terminal parameter M by physical layer signaling or high-level signalingsub, or, parameter K and Msub, Wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent that base station is each held during wave beam training Wave beam number on mouth;3rd determining module, the beam index for determining each port during wave beam training, and and terminal Carry out wave beam training;5th receiving module, the corresponding ripple of K port index and each port fed back for receiving terminal Beam, and the port and wave beam are sent to terminal by physical layer signaling or high-level signaling.
According to a further aspect of the invention there is provided a kind of port and the configuration device of wave beam, applied to end side, bag Include:6th receiving module, the maximum wave beam number on port sum N and each port for receiving first node transmission M, wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;7th receives mould Block, the maximum wave beam number M on port sum N and each port for receiving first node transmission, wherein, often Individual port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;7th receiving module, for receiving The parameter M that first node is sent by physical layer signaling or high-level signalingsub, or, parameter K and parameter Msub, its In, K represents that UE port number, M are distributed in base station during data transfersubRepresent each port in base station during wave beam training On wave beam number;3rd sending module, the result for carrying out wave beam training according to the terminal and the first node K port index and the corresponding wave beam in each port are sent to the first node;4th sending module, for described First node sends channel condition information;8th receiving module, for receive the first node by physical layer signaling or High-level signaling sends the port of distribution and the configuration information of wave beam.
By the present invention, first node determines the maximum wave beam number M on port sum N and each port, wherein, Each port is corresponded with radio frequency chain, and each port also correspond to one group of wave beam, and then first node is by configuration Parameter K and/or J is sent to terminal by high-level signaling or physical layer signaling, wherein, K is represented first during data transfer Number of the node distribution to the port of terminal, K port constitutes a port group, and J represents that terminal needs the port fed back The quantity of group, in addition, during first node and terminal carry out wave beam training, first node receiving terminal feedback J values, the corresponding port index of each port set, and the corresponding wave beam of each port set, and first node are determined point The port index of each terminal of dispensing, and wave beam corresponding with each port, and the port index of determination and wave beam are led to Cross high-level signaling or physical layer signaling is sent to each terminal, so that port assignment is more reasonable, effectively improve Power system capacity, reduces the time overhead and computing cost of wave beam training, solves in correlation technique and there is port assignment not Rationally, system effectiveness is relatively low and wave beam trains the problem of expense is larger.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention Schematic description and description be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart one of the collocation method of port according to embodiments of the present invention and wave beam;
Fig. 2 is the flowchart 2 of the collocation method of port according to embodiments of the present invention and wave beam;
Fig. 3 is the flow chart 3 of the collocation method of port according to embodiments of the present invention and wave beam;
Fig. 4 is the flow chart four of the collocation method of port according to embodiments of the present invention and wave beam;
Fig. 5 is the structured flowchart one of the configuration device of port according to embodiments of the present invention and wave beam;
Fig. 6 is the structured flowchart two of the configuration device of port according to embodiments of the present invention and wave beam;
Fig. 7 is the structured flowchart three of the configuration device of port according to embodiments of the present invention and wave beam;
Fig. 8 is the structured flowchart four of the configuration device of port according to embodiments of the present invention and wave beam;
Fig. 9 is the mixed-beam figuration schematic diagram in the case of being grouped according to the antenna of alternative embodiment of the present invention;
Figure 10 is the mixed-beam figuration schematic diagram in the case of shared according to the antenna of alternative embodiment of the present invention;
Figure 11 is according to embodiments of the present invention 1 wave beam and user distribution schematic diagram;
Figure 12 is according to embodiments of the present invention 2 wave beam and user distribution schematic diagram;
Figure 13 is according to embodiments of the present invention 3 wave beam and user distribution schematic diagram;
Figure 14 is according to embodiments of the present invention 4 wave beam and user distribution schematic diagram;
Figure 15 is according to embodiments of the present invention 5 wave beam and user distribution schematic diagram;
Figure 16 is according to embodiments of the present invention 6 wave beam and user distribution schematic diagram;
Figure 17 is according to embodiments of the present invention 7 wave beam and user distribution schematic diagram.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing Etc. being for distinguishing similar object, without for describing specific order or precedence.
The collocation method one of a kind of port and wave beam is provided in the present embodiment, and Fig. 1 is end according to embodiments of the present invention The flow chart one of mouth and the collocation method of wave beam, as shown in figure 1, the flow comprises the following steps:
Step S102:First node determines the maximum wave beam number M on port sum N and each port, wherein, Each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
Step S104:First node sends the parameter K and/or parameter J of configuration by high-level signaling or physical layer signaling To terminal, wherein, K represents that first node during data transfer distributes to the number of the port of terminal, and K port constitutes one Individual port set, J represents that terminal needs the quantity of the port set of feedback;
Step S106:During first node and terminal carry out wave beam training, the J of first node receiving terminal feedback Individual port set, the corresponding port index of each port set, and the corresponding wave beam in each port;
Step S108:First node determines to distribute to the port index of each terminal, and ripple corresponding with each port Beam, and the port index of determination and wave beam are sent to each terminal by high-level signaling or physical layer signaling.
By the above-mentioned steps S102 of the present invention to step S108, first node determines port sum N and each port On maximum wave beam number M, wherein, each port and radio frequency chain are corresponded, and each port also correspond to one group Wave beam, and then the parameter K and/or J of configuration is sent to terminal by first node by high-level signaling or physical layer signaling, Wherein, K represents that first node during data transfer distributes to the number of the port of terminal, and K port constitutes a port group, J represents that terminal needs the quantity of the port set of feedback, in addition, during first node and terminal carry out wave beam training, The J values of first node receiving terminal feedback, the corresponding port index of each port set, and each corresponding ripple of port set The port index of each terminal, and wave beam corresponding with each port are distributed in beam, and first node determination, and will The port index of determination is sent to each terminal with wave beam by high-level signaling or physical layer signaling, so that port assignment More rationally, power system capacity is effectively improved, reduces the time overhead and computing cost of wave beam training, solve phase The problem of there is unreasonable port assignment, relatively low system effectiveness and larger wave beam training expense in the technology of pass.
It should be noted that the first node being related in the present embodiment preferably base station.
In the optional embodiment of the present embodiment, first node in the present embodiment can be by the letter of at least one of Breath determines parameter K and J:It is linked into the terminal number of first node;It is linked into the position of the terminal of first node;Access To the channel condition information of the terminal of first node;It is linked into the demand levels of the data of the terminal of first node.
In addition, the value for the K being related in the present embodiment and J value meet following all conditions:K value and J Value be respectively be more than or equal to 1, and less than or equal to N value integer;K value is multiplied by J value As a result it is less than or equal to N value;Result of the N value compared with K value is integer;K value be more than or Result of the value compared with P value equal to N, wherein, P is to have the terminal number of demand data under first node.
In the optional embodiment of the present embodiment, the method for the present embodiment can also include:In first node to the end End send the parameter K and parameter J when, the first node to each terminal be separately configured the parameter K and The parameter J, the mode of the configuration can be in concrete application scene:First node will be N number of according to K value RF chains are divided into N/K groups, wherein, what the RF chain indexs in each group divided were to determine, and then terminal can root J packet is selected to be fed back from the packet divided according to the RF chain indexs of determination.
In addition, in another optional embodiment of the present embodiment, first node sends parameter K and parameter J to terminal In one, wherein, the parameter not sent by first node is determined by terminal by below equation:K*J=N.
And, carrying out wave beam training for first node and the terminal being related in the present embodiment includes:In same port On different beams, first node sends pilot tone to carry out different port, the different ripples in each port by time division way to terminal The training of interfascicular;Or, on different ports, first node sends pilot tone to enter by frequency division or code division mode to terminal Training between row different port, each port different beams.
Fig. 2 is the flowchart 2 of the collocation method of port according to embodiments of the present invention and wave beam, as shown in Fig. 2 the party The step of method, includes:
Step S202:Terminal receives the maximum wave beam number M on port sum N and each port that first node is sent, Wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
Step S204:Terminal receives two the parameters K and J that first node is sent by physical layer signaling or high-level signaling, Wherein, K represents that first node during data transfer distributes to the number of the port of terminal, and K port constitutes a port group, J represents that terminal needs the quantity of the port set of feedback;
Step S206:Terminal carries out the result of wave beam training according to first node and terminal, and J end is fed back to first node Mouthful group, the corresponding port index of each port set, the corresponding wave beam in each port, and channel condition information;
Step S208:Terminal receives matching somebody with somebody for port and wave beam that first node passes through physical layer signaling or high-level signaling transmission Confidence ceases.
In the optional embodiment of the present embodiment, the terminal being related in step S208 is according to first node and terminal The result of wave beam training is carried out, J port set is fed back to first node, the corresponding port index of each port set, each The corresponding wave beam in port, and channel condition information mode, can be in concrete application scene:Terminal is according to K The handling capacity reached during port assignment terminal transmission data, is one group according to K port, J groups and every group is fed back altogether Wave beam in group corresponding to each port;Wherein, first group of feedback content includes corresponding K during terminal throughput maximum Wave beam on individual port index and each port, the content of second group of feedback include handling capacity it is second largest when corresponding K hold Stomochord draw and each port on wave beam, or the content of second group of feedback includes the terminal throughput in addition to first K port Wave beam when maximum on corresponding K port index and each port;By that analogy, J groups feedback content includes handling up Wave beams of flow control J when big on corresponding K port index and each port, or J groups feedback content include removing preceding J-1 Wave beam when terminal throughput is maximum outside individual group of port on corresponding K port index and each port.
Wherein, the channel condition information being related in the present embodiment includes at least one of:It is each in J port set Channel quality indicator CQI information, P code book index MI information corresponding to port set, order instruction RI information.
It should be noted that above-mentioned Fig. 1 and Fig. 2 are described respectively based on complete wave beam from first node side and end side The port of training and the allocation plan of wave beam.The present embodiment additionally provide a kind of simplified wave beam training port and wave beam it is anti- Feedback scheme, embodiment as shown in Figure 3 and Figure 4, being also is introduced respectively from first node side and end side respectively.
Fig. 3 is the flow chart 3 of the collocation method of port according to embodiments of the present invention and wave beam, as shown in figure 3, the party The step of method, includes:
Step S302:First node determines the maximum wave beam number M on port sum N, and each port;
Step S304:First node sends terminal parameter M by physical layer signaling or high-level signalingsub, or, parameter K And parameter Msub, wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent wave beam instruction Wave beam number when practicing on each port in base station;
Step S306:First node determines the beam index of each port during wave beam training, and carries out wave beam instruction with terminal Practice;
Step S308:The corresponding wave beam of K port index and each port of first node receiving terminal feedback, and will The port and wave beam are sent to terminal by physical layer signaling or high-level signaling.
It should be noted that the first node determines parameter K and M by the condition of at least one ofsub:It is linked into The terminal number of one node;It is linked into the position of the terminal of first node;It is linked into the channel status of the terminal of first node Information;It is linked into the demand levels of the data of the user of first node;Maximum wave beam number on each port of first node.
In addition, in the optional embodiment of the present embodiment, being notified in first node by physical layer signaling or high-level signaling Terminal parameter MsubWhen, K parameter is determined by below equation:It is logical by physical layer signaling or high-level signaling in first node Know terminal parameter MsubDuring with parameter K, first node is separately provided parameter K, and configuration parameter M for each terminalsub It is all identical for all terminals.
In addition, during wave beam training is carried out, on the different beams of same port, first node passes through time-division side Formula sends pilot tone, to carry out the training between different port, each port different beams;During wave beam training is carried out, On different ports, first node sends pilot tone by way of frequency division or code division, to carry out different port, each Training between the different beams of port.
And, the first node in the present embodiment can also predefine the grouping set of port.And then terminal is in feedback, A best port set can only be looked for be fed back, and feed back every in the set of this port in the grouping set determined Preferred wave beam on individual port.
Fig. 4 is the flow chart four of the collocation method of port according to embodiments of the present invention and wave beam, as shown in figure 4, the party The step of method, includes:
Step S402:Terminal receives the maximum wave beam number M on port sum N and each port that first node is sent, Wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
Step S404:Terminal receives the parameter M that first node is sent by physical layer signaling or high-level signalingsub, or, Parameter K and parameter Msub, wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent ripple Wave beam number during Shu Xunlian on each port in base station;
Step S406:The result that terminal carries out wave beam training according to terminal and first node sends K to first node and held Stomochord draws and the corresponding wave beam in each port;
Step S408:Terminal sends channel condition information to first node;
Step S410:Terminal receives port and the wave beam that first node sends distribution by physical layer signaling or high-level signaling Configuration information.
In the optional embodiment of the present embodiment, terminal according to K port assignment to terminal transmission data when reached Handling capacity, to corresponding K port index during first node feedback handling capacity maximum and the wave beam on each port.The letter Channel state information includes at least one of:The channel quality indicator (CQI) corresponding to each port set in J port set Information, P code book index MI information, order instruction RI information.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-described embodiment Method the mode of required general hardware platform can be added to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Understood based on such, technical scheme is substantially in other words to existing The part for having technology to contribute can be embodied in the form of software product, and the computer software product is stored in one In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions are make it that a station terminal equipment (can To be mobile phone, computer, server, or network equipment etc.) perform method described in each embodiment of the invention.
Additionally provide the configuration device of a kind of port and wave beam in the present embodiment, the device be used for realize above-described embodiment and Preferred embodiment, had carried out repeating no more for explanation.As used below, term " module " can be realized The combination of the software and/or hardware of predetermined function.Although the device described by following examples is preferably realized with software, But hardware, or the realization of the combination of software and hardware is also that may and be contemplated.
Fig. 5 is the structured flowchart one of the configuration device of port according to embodiments of the present invention and wave beam, and the device is applied to the One node side, as shown in figure 5, the device includes:First determining module 52, for determining port sum N and every Maximum wave beam number M on individual port, wherein, each port is corresponded with radio frequency chain, and each port and one Group wave beam correspondence;First sending module 54, is of coupled connections with the first determining module 52, for by the parameter K of configuration and / or parameter J terminal is sent to by high-level signaling or physical layer signaling, wherein, K represents during data transfer first node point The number of the port of dispensing terminal, K port constitutes a port group, and J represents that terminal needs the number of the port set of feedback Amount;First receiving module 56, is of coupled connections with the first sending module 54, for carrying out wave beam in first node and terminal During training, J port set of receiving terminal feedback, the corresponding port index of each port set, and each hold The corresponding wave beam of mouth;Configuration module 58, is of coupled connections with the first receiving module 56, for determining to distribute to each terminal Port index, and wave beam corresponding with each port, and by the port index of determination and wave beam by high-level signaling or Physical layer signaling is sent to each terminal.
Fig. 6 is the structured flowchart two of the configuration device of port according to embodiments of the present invention and wave beam, and the device is applied to eventually Side, as shown in fig. 6, the device includes:Second receiving module 62, the port sum for receiving first node transmission Maximum wave beam number M on N and each port, wherein, each port is corresponded with radio frequency chain, and each end Mouth is corresponding with one group of wave beam;3rd receiving module 64, is of coupled connections with the second receiving module 62, for receiving first segment Parameter K and parameter J that point is sent by physical layer signaling or high-level signaling, wherein, K represents first segment during data transfer Point distributes to the number of the port of terminal, and K port constitutes a port group, and J represents that terminal needs the port set fed back Quantity;Feedback module 66, is of coupled connections with the second receiving module 64, for entering traveling wave according to first node and terminal Shu Xunlian result, J port set, the corresponding port index of each port set, each port pair are fed back to first node The wave beam answered, and channel condition information;4th receiving module 68, is of coupled connections with feedback module 66, for receiving Port and the configuration information of wave beam that first node is sent by physical layer signaling or high-level signaling.
Fig. 7 is the structured flowchart three of the configuration device of port according to embodiments of the present invention and wave beam, and the device is applied to the One node side, as shown in fig. 7, the device includes:Second determining module 72, for determining port sum N, and often Maximum wave beam number M on individual port;Second sending module 74, is of coupled connections with the second determining module 72, for leading to Cross physical layer signaling or high-level signaling sends one parameter M of terminalsub, or two parameters K and Msub, wherein, K tables UE port number, M are distributed in base station when showing data transfersubRepresent the wave beam on each port in base station during wave beam training Number;3rd determining module 76, is of coupled connections with the second sending module 74, for determining each port during wave beam training Beam index, and with terminal carry out wave beam training;5th receiving module 78, is of coupled connections with the 3rd determining module 76, The corresponding wave beam of K port index and each port fed back for receiving terminal, and the port and wave beam are passed through into physics Layer signaling or high-level signaling are sent to terminal.
Fig. 8 is the structured flowchart four of the configuration device of port according to embodiments of the present invention and wave beam, and the device is applied to eventually Side, as shown in figure 8, the device includes:6th receiving module 802, the port for receiving first node transmission is total Maximum wave beam number M on number N and each port, wherein, each port is corresponded with radio frequency chain, and each Port is corresponding with one group of wave beam;7th receiving module 804, physical layer signaling or high-rise letter are passed through for receiving first node Make the parameter M sentsub, or, two parameters K and Msub, wherein, K represents that base station is distributed to during data transfer UE port number, MsubRepresent the wave beam number on each port in base station during wave beam training;3rd sending module 806, It is of coupled connections with the 5th receiving module 804, for carrying out the result of wave beam training according to terminal and first node to first segment Point sends K port index and the corresponding wave beam in each port;4th sending module 808, with the 3rd sending module 806 It is of coupled connections, for sending channel condition information to first node;8th receiving module 810, with the 4th sending module 808 It is of coupled connections, sends the configuration of the port distributed and wave beam by physical layer signaling or high-level signaling for receiving first node Information.
It should be noted that above-mentioned modules can be by software or hardware to realize, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this:Above-mentioned module is respectively positioned in same processor;Or, above-mentioned module distinguishes position In multiple processors.
The present invention is illustrated with reference to the alternative embodiment of the present invention;
Fig. 9 is the mixed-beam figuration schematic diagram in the case of being grouped according to the antenna of alternative embodiment of the present invention, Tu10Shi Mixed-beam figuration schematic diagram in the case of being shared according to the antenna of alternative embodiment of the present invention, as shown in Figure 9 and Figure 10, This alternative embodiment is grouped the scheme that situation is provided mainly for antenna, certainly, and when antenna is shared, this is optional The scheme of embodiment is still applicable, and simply applicability and performance can decrease.
Wherein, it is configuration and the feedback side of the high frequency downlink port (RF chains) and wave beam trained based on complete wave beam first Case;
System in this alternative embodiment, which has, M wave beam on N number of RF chains, each RF chains, base station is believed according to correlation Breath (number of users, customer location, system available resources etc.) notifies base in this cycle of each terminal according to some cycles T Preparation of standing distributes the number K of the RF chains of each terminal, and terminal needs number J (the K RF of the RF chain groups of feedback Chain is one group), the K and J of each terminal can be with different under a base station.
In a cycle T, base station can carry out wave beam training several times, and after each wave beam training terminates, terminal will be obtained Know the channel condition of all M wave beams on all N number of RF chains and each RF chains, then terminal can be big according to handling capacity It is small to base station feedback port and beam information, the content of feedback includes J maximum RF chain group of corresponding handling capacity and J Preferred wave beam in individual RF chain groups corresponding to each RF chains.Base station can be grouped to all RF chains in advance, so as to J best group can be found in the packet predefined in terminal to be fed back.
Finally, base station determines RF chains number that each terminal takes and each according to the feedback and other information of each terminal Preferred wave beam on RF chains, and terminal related information is notified, so that the follow-up downlink data that carries out is sent with receiving.
Based on the high frequency port (RF chains) for simplifying wave beam training and configuration and the feedback scheme of wave beam
Base station according to the wave beam number on the numbers of RF chains, each RF chains, need the number of users P and user that dispatch The factors such as position notify terminal parameter K, wherein K to have two functions according to certain cycle T:1) K represents that data are passed UE RF chain numbers, 2 are distributed in base station when defeated) base station each RF chains when can determine that this wave beam is trained by K Upper actual wave beam number;
It is actual on each RF chains during this time wave beam training that base station and terminal are calculated according to the number of RF chains and by K Wave beam number, carry out downlink wave beam training;Then, then terminal is needed in the RF chains packet predefined, root The preferred wave beam on K RF chain and each RF chains in best one group is fed back according to the maximum principle of handling capacity, finally, Base station determines the transmission wave beam on each RF chains according to relevant feedback and metrical information, and downlink service data is carried out with terminal Transmission and reception;
Embodiment 1
In downlink transfer, it is assumed that the maximum wave beam number that base station has on 8 RF chains, each RF chains is 24, base Stand and two parameters K and J are notified to each user under base station with cycle T:Wherein K represents that base station is distributed during data transfer To UE RF chain numbers, J represents that UE needs the group number of the RF chains fed back (K RF chain is one group).Some when It is that Figure 11 is that according to embodiments of the present invention 1 wave beam and user distribution are shown at the time of sending the two parameters in the cycle to carve t0 It is intended to, as shown in figure 11, now only one of which user UE1 has data dispatch demand under base station, in only one of which user Need in the case of sending data, in order to maximize the gain for obtaining multiport, rational scheme is by all RF chains It is distributed on this user.Therefore, in moment t0, base station notifies that two parameters to UE1 are respectively, K=8, J=1.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that UE1 can know all 8 The channel condition of all 24 wave beams on individual RF chains and each RF chains, after each wave beam training terminates, UE1 is just with 8 Individual RF chains are fully allocated to oneself and are defined, and maximum throughput is can be obtained according to user, carry out excellent on each RF chains Select the information such as the feedback of wave beam, and feedback corresponding CQI, RI, PMI.
Base station determines UE distribution and scheduling scheme according to feedback and relevant information, and related news are notified into UE, And carry out the transmission of downlink data.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Embodiment 2
In downlink transfer, it is assumed that the maximum wave beam number that base station has on 4 RF chains, each RF chains is 24, base Stand and two parameters K and J are notified to each user under base station with cycle T:Wherein K represents that base station is distributed during data transfer To UE RF chain numbers, J represents that UE needs the group number of the RF chains fed back (K RF chain is one group).Some when It is that Figure 12 is that according to embodiments of the present invention 2 wave beam and user distribution are shown at the time of sending the two parameters in the cycle to carve t0 It is intended to, as shown in figure 12, now only has 2 users to have data dispatch demand, respectively UE1 under base station.UE2. In the case where complete wave beam is trained, it is assumed that arranged the relation that base station notifies two parameters K and J to UE to meet Formula is K*J=4.In moment t0, base station according to relevant information, base station notify to UE1 it is identical with UE2 parameter K and K=2, J=2 can be calculated according to the constraint of the two.And base station has predetermined that and is grouped, in K=2, RF chains point For 2 groups, it is respectively { (1,2), (3,4) } that user, can only be by group being fed back in feedback.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of all 24 wave beams on 4 RF chains and each RF chains, after each wave beam training terminates, each UE The feedback of each preferred wave beam of RF chains in RF chain groups and group just is carried out according to distributing to oneself 2 RF chain and be defined, and instead Present the information such as each RF chain groups corresponding CQI, RI, PMI.Assuming that the content of each UE feedbacks is UE1:(3-22, 4-21), (3-22,4-22) }, UE2:{ (3-4,4-3), (1-4,2-5) };Illustrate feedback letter by taking UE1 as an example The implication of breath, 3-22,4-21), (3-22,4-22) } represent for UE1, according to the packet predefined, When handling capacity is maximum, the index of corresponding RF chains is 3 and 4, and the corresponding preferred wave beam of each RF chains is respectively 22 With 21, when handling capacity is second largest, the index of corresponding RF chains is 3 and 4, and the corresponding preferred wave beam of each RF chains Respectively 22 and 22, the information such as each RF chain groups corresponding CQI, RI, PMI are also included in feedback information.UE2 The implication of feedback information is similar.
Base station is according to feedback and relevant information, and the allocative decision for determining the final RF chains of each UE is UE1:(3-22,4-21), UE2:(1-4,2-5).Because each UE preferred wave beam is preferable in space isolation, therefore, while to 2 UE hairs When sending data, can carry out the user of resource multiplex, i.e., 2 can use identical resource to carry out downlink data transmission.Connect Get off, related allocation schedule information is notified UE and carries out downlink data transmission by base station.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Embodiment 3
In downlink transfer, it is assumed that the maximum wave beam number that base station has on 4 RF chains, each RF chains is 24, base Stand and two parameters K and J are notified to each user under base station with cycle T:Wherein K represents that base station is distributed during data transfer To UE RF chain numbers, J represents that UE needs the group number of the RF chains fed back (K RF chain is one group).Some when It is that Figure 13 is that according to embodiments of the present invention 3 wave beam and user distribution are shown at the time of sending the two parameters in the cycle to carve t0 It is intended to, as shown in figure 13, now only has 4 users to have data dispatch demand, respectively UE1-UE4 under base station. In the case of complete wave beam training, base station is according to relevant information, in moment t0, and base station notifies two to UE1-UE4 Parameter is identical, and respectively K=1, J=4.And base station has predetermined that and is grouped, in K=1, RF chains are divided into 4 Group, is respectively { (1), (2), (3), (4) } that user, can only be by group being fed back in feedback, and regulation is each The common factor of multigroup RF chain indexs of UE feedbacks is empty set.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of all 24 wave beams on 4 RF chains and each RF chains, after each wave beam training terminates, each UE The feedback of each preferred wave beam of RF chains in RF chain groups and group just is carried out according to distributing to oneself 1 RF chain and be defined, and instead Present the information such as each RF chain groups corresponding CQI, RI, PMI.Assuming that the content of each UE feedbacks is UE1:(3-22), (2-22), (4-22), (1-22) }, UE2:{ (1-4), (3-4), (4-4), (2-4) }, UE3:(3-10), (1-10), (4-10), (2-10) }, UE4:{ (1-16), (4-16), (3-16), (2-16) }, using UE1 as The implication of example explanation feedback information, { (3-22), (2-22), (4-22), (1-22) } is represented for UE1, is pressed According to the packet predefined, when handling capacity is maximum, the index of corresponding RF chains is the corresponding preferred ripple of 3, RF chains 3 Beam is 22, when handling capacity is second largest, and corresponding RF chain cables are cited as 2, and corresponding preferred wave beam is 22, handling capacity the 3rd When big, corresponding RF indexes are 4, and corresponding preferred wave beam is 22, when handling capacity is the fourth-largest, corresponding RF chain cables It is cited as 1, corresponding preferred wave beam is also to include each RF chain groups corresponding CQI, RI, PMI in 22, feedback information Etc. information.The implication of other UE feedback informations is similar.
Base station determines that the allocative decision of the final RF chains of each UE is distributed to for RF chains 2 according to feedback and relevant information UE1, data transmission is carried out using wave beam 22, and RF chains 1 distribute to UE2, and data transmission, RF are carried out using wave beam 4 Chain 3 distributes to UE3, and data transmission is carried out using wave beam 10, and RF chains 4 are distributed to UE4, carried out using wave beam 16 Data are sent.Because each UE preferred wave beam is preferable in space isolation, therefore, while sending data to 4 UE When, can carry out the user of resource multiplex, i.e., 4 can use identical resource to carry out downlink data transmission.Next, Related allocation schedule information is notified UE and carries out downlink data transmission by base station.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Embodiment 4
In downlink transfer, it is assumed that the maximum wave beam number that base station has on 8 RF chains, each RF chains is 24, base Stand and two parameters K and J are notified to each user under base station with cycle T:Wherein K represents that base station is distributed during data transfer To UE RF chain numbers, J represents that UE needs the group number of the RF chains fed back (K RF chain is one group).Some when It is that Figure 14 is that according to embodiments of the present invention 4 wave beam and user distribution are shown at the time of sending the two parameters in the cycle to carve t0 It is intended to, as shown in figure 14, now lower four users in base station have data dispatch demand.In the case where complete wave beam is trained, Base station is according to relevant information, in moment t0, and base station notifies two parameters K and J of each UE value, for UE1, K=4, J=1;For other users, K=2, J=4;And base station has predetermined that and is grouped, in K=4, RF Chain is divided into 2 groups, be respectively { (1,2,3,4), (5,6,7,8) }, in K=2, RF chains be divided into 4 groups (1, 2), (3,4), (5,6), (7,8) }, user, can only be by group being fed back in feedback, and each UE of regulation The common factor of multigroup RF chain indexs of feedback is empty set.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of all 24 wave beams on 8 RF chains and each RF chains, after each wave beam training terminates, UE1 is pressed According to distribute to oneself 4 RF chain be defined carry out RF chain groups and group in each preferred wave beam of RF chains feedback, other UE The feedback of each preferred wave beam of RF chains in RF chain groups and group is carried out according to distributing to oneself 2 RF chain and being defined, except this it Outside, each UE also needs to feed back the information such as each RF chain groups corresponding CQI, RI, PMI.
Embodiment 4 will be illustrated by two optional embodiments below;
Optional embodiment 1
Assuming that the content of each UE feedbacks is UE1:{ (5-22,6-23,7-22,8-21) }, UE2:(1-4, 2-5), (5-3,6-5), (7-4,8-4), (3-4,4-3) }, UE3:(5-3,6-5), (1-3,2-5), (3-4, 3-4), (7-4,8-3) }, UE4:{ (3-16,4-15), (7-16,8-16), (1-17,2-15), (5-15,6-16) }, With UE1, the implication of feedback information is illustrated exemplified by UE2, { (5-22,6-23,7-22,8-21) } is represented for UE1 For, when handling capacity is maximum, the index of RF chains is 5,6,7,8, and the corresponding preferred wave beam of each RF chains is respectively 22,23,22, and 21.{ (1-4,2-5), (5-3,6-5), (7-4,8-4), (3-4,4-3) } represent for For UE2, when handling capacity is maximum, the index of corresponding RF chains is 1,2, and corresponding preferred beam index is 4 Hes 5, when handling capacity is second largest, corresponding RF chain cables are cited as 5 and 6, and corresponding preferred beam index is 3 and 5, is handled up When measuring the third-largest, corresponding RF indexes are 7 and 8, and the index of corresponding preferred wave beam is 4 and 4, and handling capacity is the fourth-largest When, corresponding RF chain cables are cited as 3 and 4, and corresponding preferred beam index is 4 and 3.In addition, also being wrapped in feedback information Include the information such as each RF chain groups corresponding CQI, RI, PMI.The implication of other UE feedback informations is similar.
Base station determines that the allocative decision of the final RF chains of each UE and corresponding wave beam is as follows according to feedback and relevant information: It is (5-22,6-23,7-22,8-21) that the RF chains and each RF chains correspondence that UE1 is used, which send wave beam, and UE2 is used RF chains and the corresponding wave beam that sends of each RF chains be (1-4,2-5), UE3 do not dispatch at this moment, and UE4 makes RF chains and the corresponding wave beam that sends of each RF chains is (3-16,4-15).It is excellent due to each scheduled UE Select wave beam preferable in space isolation, therefore, while when sending data to 3 UE, resource multiplex, i.e., 3 can be carried out Individual user can use identical resource to carry out downlink data transmission.Next, base station notifies related allocation schedule information UE simultaneously carries out downlink data transmission.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Optional embodiment 2
Assuming that the content of each UE feedbacks is UE1:{ (1-22,2-23,3-22,4-21) }, UE2:(1-4, 2-5), (5-3,6-5), (7-4,8-4), (3-4,4-3) }, UE3:(5-3,6-5), (1-3,2-5), (3-4, 3-4), (7-4,8-3) }, UE4:{ (3-16,4-15), (7-16,8-16), (1-17,2-15), (5-15,6-16) }, The implication of each UE feedback information and sub- embodiment 1 are similar.
Base station determines that the allocative decision of the final RF chains of each UE and corresponding wave beam is as follows according to feedback and relevant information: It is (1-22,2-23,3-22,4-21) that the RF chains and each RF chains correspondence that UE1 is used, which send wave beam, and UE2 is used RF chains and each RF chains it is corresponding send wave beam be (5-3,6-5), RF chains and each RF chains pair that UE3 is used The transmission wave beam answered is (5-3,6-5), RF chains and each RF chains that UE4 is used be corresponding send wave beam for (7-16, 8-16).The RF chains and wave beam that wherein UE2 and UE3 are used are all identical, and progress resource multiplex effect is poor, therefore UE2 Dispatched simultaneously with UE3, but different frequency resources are distributed on same ofdm symbols, can so avoid two use Directly disturb at family.But UE2, UE3 isolate preferably with the preferred wave beam of other two users in space, therefore, and this three Group user, which can carry out group user of resource multiplex, i.e., 3, can use identical resource to carry out downlink data transmission.Next, Related allocation schedule information is notified UE and carries out downlink data transmission by base station.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Embodiment 5
In downlink transfer, it is assumed that the maximum wave beam number that base station has on 8 RF chains, each RF chains is 24, base Stand and two parameters K and J are notified to each user under base station with cycle T:Wherein K represents that base station is distributed during data transfer To UE RF chain numbers, J represents that UE needs the group number of the RF chains fed back (K RF chain is one group).Some when It is that Figure 15 is that according to embodiments of the present invention 5 wave beam and user distribution are shown at the time of sending the two parameters in the cycle to carve t0 It is intended to, as shown in figure 15, now have many consumers data scheduling request under base station.Situation about being trained in complete wave beam Under, base station is according to relevant information, in moment t0, and base station notifies two parameters K and J of each UE value.And base station Have predetermined that and be grouped, in K=1, RF chains are divided into 8 groups, be respectively (1), (2), (3), (4), (5), (6), (7), (8) }, during K=2, RF chains are divided into 4 groups:{ (1,2), (3,4), (5,6), (7,8) }. During K=4, RF chains are divided into 2 groups:{ (1,2,3,4), (5,6,7,8) }, during K=8, RF chains are divided into 1 group { (1,2,3,4,5,6,7,8) }.User, can only be by group being fed back in feedback.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of all 24 wave beams on 8 RF chains and each RF chains, after each wave beam training terminates, each UE Just according to distribute to oneself K (each UE K values can be by different) individual RF chains be defined progress RF chain groups and group in The feedback of each preferred wave beam of RF chains, and feed back the information such as each RF chain groups corresponding CQI, RI, PMI.Each UE feeds back the corresponding preferred wave beam of K RF chain in J RF chain group and each RF chain groups according to handling capacity size.
Because number of users is more, base station is according to feedback and relevant information, it is first determined dispatch those UE, then true again RF chains and corresponding preferred wave beam that each fixed UE is finally distributed, in the assignment procedure, if conditions permit, as far as possible The multiplexing of running time-frequency resource is carried out to improve resource utilization.Preferred wave beam on the candidate RF chains and RF chains of different user If identical, these users can dispatch simultaneously, only using different frequency resources.When number of users is more, In order to take into account the justice between user, different users can not be dispatched in the same time.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch K and J value.
Embodiment 6
In downlink transfer, it is assumed that the maximum wave beam number that sends that base station is had on 8 RF chains, each RF chains is 24, Base station notifies a parameter M with cycle T to each user under base stationsubOr two parameters K and Msub, wherein K UE RF chain numbers, M are distributed in base station during expression data transfersubRepresent each RF in base station during the training of this wave beam Actual wave beam number on chain.Sometime t0 is that Figure 16 is according to the present invention at the time of sending the two parameters in the cycle The wave beam and user distribution schematic diagram of embodiment 6, as shown in figure 16, now only have 2 users to have data tune under base station Degree demand, respectively UE1 and UE2.In the case where simplifying wave beam training, base station is according to relevant information, at the moment T0, base station only notifies mono- parameter M of UE1 and UE2sub=12.Following time T data are calculated according to formula 1 to pass The RF chain number K=4 of defeated time-division provisioned user, the beam index for RF 1~RF of chain chains 4 that base station is determined is 1~12 in addition, The beam index of RF 5~RF of chain chains 8 is 13~24, and base station has predetermined that and is grouped, in K=4, RF chains It is divided into 2 groups, is respectively { (1,2,3,4), (5,6,7,8) }, user, can only be anti-by group progress in feedback Feedback.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of 12 wave beams actual use on 8 RF chains and each RF chains, after each wave beam training terminates, Each UE just carries out the feedback of each preferred wave beam of RF chains in RF chain groups and group according to K values, and feeds back each RF chain groups The information such as corresponding CQI, RI, PMI.Assuming that the content of each UE feedbacks is UE1:(5-22,6-22,7-21, 8-22) }, UE2:{ (1-5,2-4,3-4,4-5) }, illustrates the implication of feedback information by taking UE1 as an example, (5-22, 6-22,7-21,8-22) } represent for UE1, it is right when handling capacity is maximum according to the packet predefined The index for the RF chains answered is 5,6,7,8, during corresponding preferred wave beam is respectively 22,22,21,22, feedback information Also include corresponding CQI, RI, the information such as PMI.The implication of other UE feedback informations is similar.
Base station determines the allocation plan of the final RF chains of each UE and the wave beam on RF chains according to feedback and relevant information For UE1:{ (5-22,6-22,7-21,8-22) }, UE2:{ (1-5,2-4,3-4,4-5) }, i.e., with two UE feedback is consistent.Because two UE preferred wave beam is preferable in space isolation, therefore, while being sent to 2 UE During data, can carry out the user of resource multiplex, i.e., 2 can use identical running time-frequency resource to carry out downlink data transmission. Next, related allocation schedule information is notified UE and carries out downlink data transmission by base station.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch One parameter MsubOr two parameters K and Msub
Embodiment 7
In downlink transfer, it is assumed that the maximum wave beam number that sends that base station is had on 8 RF chains, each RF chains is 24, Base station notifies a parameter M with cycle T to each user under base stationsubOr two parameters K and Msub, wherein K UE RF chain numbers, M are distributed in base station during expression data transfersubRepresent each RF in base station during the training of this wave beam Actual wave beam number on chain.Sometime t0 is that Figure 17 is according to the present invention at the time of sending the two parameters in the cycle The wave beam and user distribution schematic diagram of embodiment 7, as shown in figure 17, now only have 4 users to have data tune under base station Degree demand, respectively UE1~UE4.In the case where simplifying wave beam training, base station is according to relevant information, in moment t0, Base station notifies UE1~UE4 two parameters K and Msub, for all UE parameters MsubBe just as and Msub=6, And for UE1 and UE2, K=2, for UE3 and UE4, K=4.In addition RF 1~RF of chain chains 4 that base station is determined Beam index be that the beam index of 1~6, RF, 5~RF of chain chains 6 is the beam index of 13~18, RF, 7~RF of chain chains 8 For 19~24.And base station has predetermined that and is grouped, in K=4, RF chains are divided into 2 groups, be respectively (1,2, 3,4), (5,6,7,8) }, K=2, RF chains are divided into 4 groups, be respectively (1,2), (3,4), (5,6), (7,8) }., can only be by group being fed back during feedback.
Carry out wave beam several times in the following cycle T time to train, the result of wave beam training is that each UE can know institute There is a channel condition of 6 wave beams actual use on 8 RF chains and each RF chains, after each wave beam training terminates, Each UE just carries out the feedback of each preferred wave beam of RF chains in RF chain groups and group according to K values, and feeds back each RF chain groups The information such as corresponding CQI, RI, PMI.Assuming that the content of each UE feedbacks is UE1:{ (7-21,8-22) }, UE2:{ (1-5,2-4,3-4,4-5) }, UE3:{ (1-3,2-4,3-3,4-4) }, UE4 { (5-16,6-16) }. Illustrate the implication of feedback information by taking UE1 as an example, { (7-21,8-22) } is represented for UE1, according to true in advance The packet set, when handling capacity is maximum, the index of corresponding RF chains is 7,8, and corresponding preferred wave beam is respectively 21, 22, also include corresponding CQI in feedback information, RI, the information such as PMI.The implication of other UE feedback informations is similar.
Base station determines the allocation plan of the final RF chains of each UE and the wave beam on RF chains according to feedback and relevant information For UE1:{ (7-21,8-22) }, this moment of UE2 does not dispatch first, UE3:{ (1-3,2-4,3-3,4-4) }, UE4 { (5-16,6-16) }.Because three UE preferred wave beam is preferable in space isolation, therefore, while to 3 When UE sends data, can carry out the user of resource multiplex, i.e., 3 can use identical running time-frequency resource to carry out lower line number According to transmission.Next, related allocation schedule information is notified UE and carries out downlink data transmission by base station.
When the next notice moment arrives, base station notifies each terminal further according to relevant informations such as the number of users for needing to dispatch One parameter MsubOr two parameters K and Msub
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can The program code for performing following steps to be arranged to storage to be used for:
Step S1:First node determines the maximum wave beam number M on port sum N and each port, wherein, often Individual port is corresponded with radio frequency chain, and each port also correspond to one group of wave beam;
Step S2:The parameter K and/or J of configuration is sent to terminal by first node by high-level signaling or physical layer signaling, Wherein, K represents that first node during data transfer distributes to the number of the port of terminal, and K port constitutes a port group, J represents that terminal needs the quantity of the port set of feedback;
Step S3:During first node and terminal carry out wave beam training, the J of first node receiving terminal feedback Value, the corresponding port index of each port set, and the corresponding wave beam of each port set;
Step S4:The port index of each terminal, and wave beam corresponding with each port are distributed in first node determination, And the port index of determination and wave beam are sent to each terminal by high-level signaling or physical layer signaling.
Alternatively, the specific example in the present embodiment may be referred to showing described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realizes that they can be concentrated on single computing device, or is distributed in multiple computing devices and is constituted Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to by they Storage is performed by computing device in the storage device, and in some cases, can be to be held different from order herein They, are either fabricated to each integrated circuit modules or will be many in them by the shown or described step of row respectively Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware Combined with software.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the technology of this area For personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (22)

1. a kind of port and the collocation method of wave beam, it is characterised in that including:
First node determines the maximum wave beam number M on port sum N and each port, wherein, Mei Geduan Mouth is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
The parameter K and/or parameter J of configuration are sent to by the first node by high-level signaling or physical layer signaling Terminal, wherein, the K represents that first node during data transfer distributes to the number of the port of terminal, K Port constitutes a port group, and the J represents that terminal needs the quantity of the port set of feedback;
During the first node and terminal carry out wave beam training, it is anti-that the first node receives the terminal J port set of feedback, the corresponding port index of each port set, and the corresponding wave beam in each port;
The port index of each terminal, and wave beam corresponding with each port are distributed in the first node determination, And the port index of determination and wave beam are sent to each terminal by high-level signaling or physical layer signaling.
2. according to the method described in claim 1, it is characterised in that the information that the first node passes through at least one of Determine parameter K and J:
It is linked into the terminal number of the first node;
It is linked into the position of the terminal of the first node;
It is linked into the channel condition information of the terminal of the first node;
It is linked into the demand levels of the data of the terminal of the first node.
3. according to the method described in claim 1, it is characterised in that the value of the K and the value of the J meet following All conditions:
The value of the K and the value of the J are respectively to be more than or equal to 1, and taking less than or equal to the N The integer of value;
The value of the K is multiplied by value of the result less than or equal to the N of the value of the J;
Result of the value of the N compared with the value of the K is integer;
The value of the K is more than or equal to result of the value of the N compared with P value, wherein, the P To there is the terminal number of demand data under the first node.
4. according to the method described in claim 1, it is characterised in that methods described also includes:
The first node to the terminal send the parameter K and parameter J when, the first node to The parameter K and the parameter J is separately configured in each terminal.
5. method according to claim 4, it is characterised in that the first node is separately configured described to each terminal Parameter K and the parameter J include:
N number of RF chains are divided into N/K groups by the first node according to K value, wherein, each group divided What interior RF chain indexs were to determine, the terminal selects J according to the RF chain indexs of determination from the packet divided Individual packet is fed back.
6. according to the method described in claim 1, it is characterised in that methods described also includes:
The first node sends one in the parameter K and parameter J to terminal, wherein, it is not described The parameter that first node is sent is determined by terminal by below equation:K*J=N.
7. according to the method described in claim 1, it is characterised in that the first node carries out wave beam training with the terminal Including:
On the different beams of same port, the first node by time division way to the terminal send pilot tone with Carry out the training between different port, each port different beams;Or,
On different ports, the first node sends pilot tone to enter by frequency division or code division mode to the terminal Training between row different port, each port different beams.
8. a kind of port and the collocation method of wave beam, it is characterised in that including:
Terminal receives the maximum wave beam number M on port sum N and each port that first node is sent, wherein, Each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
The terminal receive two parameter K that the first node sent by physical layer signaling or high-level signaling and Parameter J, wherein, the K represents that first node during data transfer distributes to the number of the port of terminal, K Individual port constitutes a port group, and the J represents that terminal needs the quantity of the port set of feedback;
The terminal carries out the result of wave beam training according to the first node and the terminal, to the first node Feed back J port set, the corresponding port index of each port set, the corresponding wave beam in each port, and channel shape State information;
The terminal receives port and wave beam that the first node passes through physical layer signaling or high-level signaling transmission Configuration information.
9. method according to claim 8, it is characterised in that the terminal is according to the first node and the terminal The result of wave beam training is carried out, J port set, the corresponding port rope of each port set are fed back to the first node Draw, the corresponding wave beam in each port, and channel condition information include:
The handling capacity reached when the terminal is according to K port assignment terminal transmission data, be according to K port One group, the wave beam corresponding to each port in J groups and every group of group is fed back altogether;
Wherein, first group of feedback content includes corresponding K port index and each end during terminal throughput maximum Wave beam on mouth, the content of second group of feedback includes corresponding K port index and each holding when handling capacity is second largest Wave beam on mouth, or the content of second group of feedback include correspondence when terminal throughput is maximum in addition to first K port K port index and each port on wave beam;By that analogy, J groups feedback content includes handling capacity J Wave beam when big on corresponding K port index and each port, or J groups feedback content include removing preceding J-1 individual Wave beam during the outer terminal throughput maximum in the port of group on corresponding K port index and each port.
10. method according to claim 8, it is characterised in that the channel condition information includes at least one of: The channel quality indicator CQI information corresponding to each port set, P code book index MI information in J port set, Order instruction RI information.
11. a kind of port and the collocation method of wave beam, it is characterised in that including:
First node determines the maximum wave beam number M on port sum N, and each port;
The first node sends terminal parameter M by physical layer signaling or high-level signalingsub, or, parameter K and Parameter Msub, wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent wave beam instruction Wave beam number when practicing on each port in base station;
The first node determines the beam index of each port during wave beam training, and carries out wave beam training with terminal;
The corresponding wave beam of K port index and each port of first node receiving terminal feedback, and by the end Mouth and wave beam are sent to terminal by physical layer signaling or high-level signaling.
12. method according to claim 11, it is characterised in that the bar that the first node passes through at least one of Part determines parameter K and Msub
It is linked into the terminal number of the first node;
It is linked into the position of the terminal of the first node;
It is linked into the channel condition information of the terminal of the first node;
It is linked into the demand levels of the data of the user of the first node;
Maximum wave beam number on each port of first node.
13. method according to claim 11, it is characterised in that
Terminal parameter M is notified by physical layer signaling or high-level signaling in the first nodesubWhen, K parameter passes through Below equation is determined:
<mfenced open = "" close = ""> <mtable> <mtr> <mtd> <mrow> <mi>K</mi> <mo>=</mo> <mo>&amp;lsqb;</mo> <mfrac> <mi>N</mi> <mi>M</mi> </mfrac> <msup> <mi>M</mi> <mrow> <mi>s</mi> <mi>u</mi> <mi>b</mi> </mrow> </msup> <mo>&amp;rsqb;</mo> </mrow> </mtd> <mtd> <mrow> <mi>M</mi> <mo>&amp;Element;</mo> <mo>{</mo> <mn>1</mn> <mo>,</mo> <mn>2</mn> <mo>,</mo> <mo>...</mo> <mo>,</mo> <mi>M</mi> <mo>}</mo> </mrow> </mtd> </mtr> </mtable> </mfenced>
Terminal parameter M is notified by physical layer signaling or high-level signaling in the first nodesubAnd during parameter K, The first node is separately provided parameter K, and configuration parameter M for each terminalsubIt is all identical for all terminals.
14. method according to claim 11, it is characterised in that
During wave beam training is carried out, on the different beams of same port, the first node passes through the time-division Mode sends pilot tone, to carry out the training between different port, each port different beams;
During wave beam training is carried out, on different ports, the first node passes through frequency division or code division Mode send pilot tone, to carry out the training between different port, each port different beams.
15. method according to claim 11, it is characterised in that the first node predefines the set of packets of port Close.
16. a kind of port and the collocation method of wave beam, it is characterised in that including:
Terminal receives the maximum wave beam number M on port sum N and each port that first node is sent, wherein, Each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
The terminal receives the parameter M that the first node is sent by physical layer signaling or high-level signalingsub, or, Parameter K and Msub, wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent Wave beam number when wave beam is trained on each port in base station;
The terminal carries out the result of wave beam training to the first node according to the terminal and the first node Send K port index and the corresponding wave beam in each port;
The terminal sends channel condition information to the first node;
The terminal receives port and the ripple that the first node sends distribution by physical layer signaling or high-level signaling The configuration information of beam.
17. method according to claim 16, it is characterised in that the terminal is passed according to K port assignment to terminal The handling capacity reached during transmission of data, corresponding K port index when feeding back handling capacity maximum to the first node And the wave beam on each port.
18. method according to claim 16, it is characterised in that the channel condition information includes at least one of: The channel quality indicator CQI information corresponding to each port set, P code book index MI information in J port set, Order instruction RI information.
19. a kind of port and the configuration device of wave beam, applied to first node side, it is characterised in that including:
First determining module, for determining the maximum wave beam number M on port sum N and each port, its In, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
Sending module, for the parameter K and/or parameter J of configuration to be sent by high-level signaling or physical layer signaling To terminal, wherein, the K represents that first node during data transfer distributes to the number of the port of terminal, K Individual port constitutes a port group, and the J represents that terminal needs the quantity of the port set of feedback;
First receiving module, during carrying out wave beam training in the first node and terminal, receives described J port set of terminal feedback, the corresponding port index of each port set, and each corresponding wave beam in port;
Configuration module, the port index of each terminal, and wave beam corresponding with each port are distributed to for determination, And the port index of determination and wave beam are sent to each terminal by high-level signaling or physical layer signaling.
20. a kind of port and the configuration device of wave beam, applied to end side, it is characterised in that including:
Second receiving module, the maximum wave beam on port sum N and each port for receiving first node transmission Number M, wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
3rd receiving module, for receiving the parameter that the first node is sent by physical layer signaling or high-level signaling K and parameter J, wherein, the K represents that first node during data transfer distributes to the number of the port of terminal, K port constitutes a port group, and the J represents that terminal needs the quantity of the port set of feedback;
Feedback module, the result for carrying out wave beam training according to the first node and the terminal, to described the One port set of node feeding back J, the corresponding port index of each port set, the corresponding wave beam in each port, and Channel condition information;
4th receiving module, for receiving the port that the first node is sent by physical layer signaling or high-level signaling With the configuration information of wave beam.
21. a kind of port and the configuration device of wave beam, applied to first node side, it is characterised in that including:
Second determining module, for determining the maximum wave beam number M on port sum N, and each port;
Second sending module, for sending terminal parameter M by physical layer signaling or high-level signalingsub, or, parameter K and Msub, wherein, K represents that UE port number, M are distributed in base station during data transfersubRepresent wave beam instruction Wave beam number when practicing on each port in base station;
3rd determining module, the beam index for determining each port during wave beam training, and carry out wave beam with terminal Training;
5th receiving module, the corresponding wave beam of K port index and each port fed back for receiving terminal, and The port and wave beam are sent to terminal by physical layer signaling or high-level signaling.
22. a kind of port and the configuration device of wave beam, applied to end side, it is characterised in that including:
6th receiving module, the maximum wave beam on port sum N and each port for receiving first node transmission Number M, wherein, each port is corresponded with radio frequency chain, and each port is corresponding with one group of wave beam;
7th receiving module, for receiving the parameter that the first node is sent by physical layer signaling or high-level signaling Msub, or, parameter K and parameter Msub, wherein, K represents that UE port is distributed in base station during data transfer Number, MsubRepresent the wave beam number on each port in base station during wave beam training;
3rd sending module, for carrying out the result of wave beam training according to the terminal and the first node to described First node sends K port index and the corresponding wave beam in each port;
4th sending module, for sending channel condition information to the first node;
8th receiving module, is distributed for receiving the first node by physical layer signaling or high-level signaling transmission Port and the configuration information of wave beam.
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