CN106330279A - Network architecture and resource configuration method - Google Patents
Network architecture and resource configuration method Download PDFInfo
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- CN106330279A CN106330279A CN201510379860.5A CN201510379860A CN106330279A CN 106330279 A CN106330279 A CN 106330279A CN 201510379860 A CN201510379860 A CN 201510379860A CN 106330279 A CN106330279 A CN 106330279A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/06—Hybrid resource partitioning, e.g. channel borrowing
Abstract
A network architecture disclosed by the embodiment of the present invention is used to support a multiple input multiple output (MIMO) technology and improve the data business capacity, and comprises an antenna remote unit and a radio remote unit (RRU). The antenna remote unit is configured with N ports, the RRU comprises M radio channels, and N is a positive integer greater than 1 and less than or equal to M. At least two ports in the N ports are ports of different types, the antenna remote unit is connected with the M radio channels in the RRU via the N ports, and any one port corresponds to at least one radio channel.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of network architecture and resource allocation method.
Background technology
The data service of current 80% occurs in indoor, provides service in the indoor deployment network architecture for indoor user, promotes network performance, improves Consumer's Experience.
At present, a kind of internal home network framework is as it is shown in figure 1, include baseband processing unit (BBU, Building Base band Unit), Remote Radio Unit (RRU, Radio Remote Unit), power splitter and antenna pulling away unit, wherein, BBU is (English: Fiber) connecting RRU, RRU and pass through the external power splitter of radio frequency feed line, power splitter is by power-sharing by optical fiber, and connecting antenna pulling away unit unit Ant0～AntN by radio frequency feed line, N is positive integer.If Fig. 2 is indoor network coverage schematic diagram corresponding for Fig. 1, all of antenna pulling away unit is only made into a port, can only send identical signal, it is impossible to support multiple-input and multiple-output (MIMO, Multiple-Input Multiple-Out-put) technology, cause data service capacity limited.
Summary of the invention
Embodiments provide a kind of network architecture and resource allocation method, be used for supporting MIMO technology, promote data service capacity.
First aspect present invention provides a kind of network architecture, including: antenna pulling away unit, radio frequency remote unit RRU；
Described antenna pulling away cell location has N number of port, described RRU to include M radio-frequency channel, and N is the positive integer more than 1 and less than or equal to M, and at least two port in described N number of port is different types of port；
Described antenna pulling away unit is connected with M radio-frequency channel in described RRU by described N number of port, any one port at least one radio-frequency channel corresponding.
In conjunction with first aspect, in the implementation that the first is possible,
Comprising two distinct types of port in described N number of port, the different types of port interleaving of the two configures.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second is possible,
Described antenna pulling away unit includes N strip antenna, the corresponding described port of the every strip antenna in described N strip antenna；
Or, described antenna pulling away unit includes N number of antenna sets, and the corresponding described port of each antenna sets in described N number of antenna sets, described each antenna sets includes that at least two strip antennas, described at least two strip antennas are adjacent or interconnected antenna.
In conjunction with the implementation that the second of first aspect is possible, in the implementation that the third is possible, when described antenna pulling away unit includes N number of antenna sets, the described network architecture also includes N number of power splitter；
Each power splitter in described N number of power splitter, is connected with an antenna sets in described N number of antenna sets by feeder line, and the port corresponding by one antenna sets is connected with M radio-frequency channel in described RRU.
In conjunction with first aspect, in the 4th kind of possible implementation, the described network architecture also includes:
Baseband processing unit BBU and hub HUB；
Described HUB is connected with described BBU and described RRU respectively；
Wherein, it is connected by optical fiber between described HUB with described BBU, is connected by netting twine between described HUB with described RRU.
In conjunction with first aspect, in the 5th kind of possible implementation,
Described antenna pulling away unit is connected by feeder line between described RRU.
Second aspect present invention provides a kind of method that application network framework realizes resource distribution, the described network architecture network architecture as described in relation to the first aspect, it is characterised in that described method includes:
Determine the passage group that user equipment (UE) is carried out resource distribution, described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, comprising M second channel in described second channel group, N is the positive integer more than 1 and less than or equal to M；
Described passage group according to determining carries out resource distribution to described UE.
In conjunction with second aspect, in the implementation that the first is possible, described according to the described passage group determined, described UE carried out resource distribution and includes:
When described UE being carried out resource distribution according to described first passage group, obtain the signal power of reference signal SRS corresponding on the described UE N number of first passage in described first passage group；
Signal power according to described SRS determines the first passage meeting preset requirement；
The described first passage meeting preset requirement configures resource to described UE.
In conjunction with second aspect, in the implementation that the second is possible, described according to the described passage group determined, described UE carried out resource distribution and includes:
When described UE being carried out resource distribution according to described second channel group, obtain the channel information of SRS corresponding on described UE M second channel in described second channel group；
Channel information according to described SRS determines the second channel meeting preset requirement；
The described second channel meeting preset requirement configures resource to described UE.
In conjunction with the implementation that the second of second aspect is possible, in the implementation that the third is possible, described on the described second channel meeting preset requirement to described UE configuration resource before, also include:
Channel information according to described SRS calculates the characteristic vector of described UE.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation, the described signal message according to described SRS calculates the characteristic vector of described UE and includes:
Described BBU decomposes the signal message of described SRS by singular value decomposition algorithm SVD, calculates the characteristic vector of described UE.
In conjunction with the first of second aspect or second aspect to the 4th kind of any one possible implementation, in the 5th kind of possible implementation, described include to described UE configuration resource on the described second channel meeting preset requirement:
Choosing a UE from described UE according to User Priority principle, a described UE is the UE that priority first is high；
The described second channel meeting preset requirement configures resource to a described UE.
In conjunction with the first of second aspect or second aspect to the 4th kind of any one possible implementation, in the 6th kind of possible implementation, described include to described UE configuration resource on the described second channel meeting preset requirement:
Choosing the 2nd UE and the 3rd UE from described UE according to User Priority principle, described 2nd UE is the UE that priority first is high, and described 3rd UE is the UE that priority second is high；
Calculate the inner product of the characteristic vector of described 2nd UE and described 3rd UE；
When the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, the described second channel meeting preset requirement configures resource to described 2nd UE and described 3rd UE.
In conjunction with the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation, described on the described second channel meeting preset requirement to described 2nd UE and described 3rd UE configuration resource after, also include:
According to strengthening ZF EZF algorithm, the characteristic vector of described 2nd UE and the 3rd UE is carried out ZF, and by the maps feature vectors of described 2nd UE and the 3rd UE after ZF to the described second channel meeting preset requirement.
Third aspect present invention provides the device of a kind of resource distribution, including: processing module；
Described processing module, for determining the passage group that user equipment (UE) is carried out resource distribution, described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, comprising M second channel in described second channel group, N is the positive integer more than 1 and less than or equal to M；
Described processing module, is additionally operable to the described passage group according to determining and described UE is carried out resource distribution.
In conjunction with the third aspect, in the implementation that the first is possible,
Described processing module, specifically for when described UE being carried out resource distribution according to described first passage group, obtain the signal power of reference signal SRS corresponding on the described UE N number of first passage in described first passage group, and determine the first passage meeting preset requirement according to the signal power of described SRS, and configure resource to described UE on the described first passage meeting preset requirement.
In conjunction with the third aspect, in the implementation that the second is possible,
Described processing module, specifically for when described UE being carried out resource distribution according to described second channel group, obtain the channel information of SRS corresponding on described UE M second channel in described second channel group, and determine the second channel meeting preset requirement according to the channel information of described SRS, and configure resource to described UE on the described second channel meeting preset requirement.
In conjunction with the implementation that the second of the third aspect is possible, in the implementation that the third is possible,
Described processing module, is additionally operable on the described second channel meeting preset requirement, before described UE configuration resource, calculate the characteristic vector of described UE according to the channel information of described SRS.
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation,
Described processing module, specifically for being decomposed the signal message of described SRS by singular value decomposition algorithm SVD, calculates the characteristic vector of described UE.
In conjunction with the first of the third aspect or the third aspect to the 4th kind of any one possible implementation, in the 5th kind of possible implementation,
Described processing module, specifically for choosing a UE from described UE according to User Priority principle, a described UE is the UE that priority first is high, and configures resource to a described UE on the described second channel meeting preset requirement.
In conjunction with the first of the third aspect or the third aspect to the 4th kind of any one possible implementation, in the 6th kind of possible implementation,
Described processing module, specifically for choosing the 2nd UE and the 3rd UE from described UE according to User Priority principle, described 2nd UE is the UE that priority first is high, described 3rd UE is the UE that priority second is high, calculate the inner product of the characteristic vector of described 2nd UE and described 3rd UE, when the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, the described second channel meeting preset requirement configures resource to described 2nd UE and described 3rd UE.
In conjunction with the 6th kind of possible implementation of the third aspect, in the 7th kind of possible implementation,
Described processing module, it is additionally operable on the described second channel meeting preset requirement after described 2nd UE and described 3rd UE configuration resource, according to strengthening ZF EZF algorithm, the characteristic vector of described 2nd UE and the 3rd UE is carried out ZF, and by the maps feature vectors of described 2nd UE and the 3rd UE after ZF to the described second channel meeting preset requirement.
Applying above technical scheme, the network architecture includes antenna pulling away unit, radio frequency remote unit RRU；Antenna pulling away cell location has N number of port, described RRU includes M radio-frequency channel, N is the positive integer more than 1 and less than or equal to M, at least two port in described N number of port is that antenna pulling away unit described in different types of port is connected with M radio-frequency channel in described RRU by described N number of port, any one port at least one radio-frequency channel corresponding.Corresponding can send a kind of signal by the port of any one type, utilize N number of port of antenna pulling away cell location to send multiple different signal, thus support MIMO technology, effectively promote data service capacity.
Accompanying drawing explanation
Fig. 1 is a structural representation of the network architecture in prior art；
Fig. 2 is a schematic diagram of the network coverage in prior art；
Fig. 3 is an embodiment schematic diagram of the network architecture in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of the network architecture in the embodiment of the present invention；
Fig. 5 is an embodiment schematic diagram of the method for resource distribution in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of the method for resource distribution in the embodiment of the present invention；
Fig. 7 is another embodiment schematic diagram of the method for resource distribution in the embodiment of the present invention；
Fig. 8 is an embodiment schematic diagram of the device of resource distribution in the embodiment of the present invention；
Fig. 9 is another embodiment schematic diagram of the device of resource distribution in the embodiment of the present invention；
Figure 10 a-10b is a structural representation of the network architecture in the embodiment of the present invention under application scenarios and corresponding network coverage schematic diagram；
Figure 11 a-11b is another structural representation of the network architecture in the embodiment of the present invention under application scenarios and corresponding network coverage schematic diagram.
Detailed description of the invention
Embodiments provide a kind of network architecture and resource allocation method, be used for supporting MIMO technology, promote data service capacity.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of protection of the invention.
The (if present) such as term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " " the 4th " is for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the signal of so use can exchange in the appropriate case, in order to the embodiments described herein can be implemented with the order in addition to the content except here illustrating or describe.In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include the most clearly listing or for intrinsic other step of these processes, method, product or equipment or unit.
It should be noted that the term used in embodiments of the present invention is only merely for describing the purpose of specific embodiment, and it is not intended to be limiting the present invention." a kind of ", " described " and " being somebody's turn to do " of singulative used in the embodiment of the present invention and appended claims is also intended to include most form, unless context clearly shows that other implications.
nullVarious technology described herein can be used for various communication system，Including 2G、3G communication system and next generation communication system，Such as global mobile communication (GSM，Global system for mobile commu nication) etc. 2G communication system，WCDMA (WCDMA，wideband code division multiple access)，TD SDMA (TD-SCDMA，Time division-synchroniz ation code division multiple access) etc. 3G communication system，Long Term Evolution (LTE，Long-t erm evolution) next generation communication system such as communication system and follow-up evolution system thereof.
Subscriber equipment (UE, User Equipment), also referred to as mobile terminal (Mobile Terminal), mobile subscriber equipment etc., can through wireless access network (such as, RAN, Radio Access Network) communicate with one or more core net, subscriber equipment can be mobile terminal, such as mobile phone (or be referred to as " honeycomb " phone) and the computer with mobile terminal, such as, can be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or signal with wireless access network.
The technical scheme that the embodiment of the present invention provides, may be used for all kinds of indoor environment, such as places such as airport hall, exhibition room, supermarket, library, underground parking, mine, office buildings.
Referring to Fig. 3, in the embodiment of the present invention, an embodiment of the network architecture includes: antenna pulling away unit 301, radio frequency remote unit RRU 302；
Described antenna pulling away unit 301 is configured with N number of port 3011, and described RRU302 includes M radio-frequency channel 3021, and N is the positive integer more than 1 and less than or equal to M, and at least two port in described N number of port is different types of port；
In the embodiment of the present invention, different types of port correspondence sends different signals, and wherein, different types of port is specially the port that model is different, and the port that model is different can support the signal of different frequency.It addition, in some optional embodiments, different types of port can also be differently configured port, is not specifically limited herein.
Antenna pulling away unit is used to launch or receive the parts of electromagnetic wave.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, every that use electromagnetic waves to transmission information, depend on antenna pulling away unit and be operated.Additionally, in terms of transmitting energy with electromagnetic wave, the energy radiation of non-signal is also required to antenna pulling away unit.
Described antenna pulling away unit is by described N number of port with M radio-frequency channel in described RRU even
Connect, any one port at least one radio-frequency channel corresponding.
Such as: antenna pulling away unit is connected by a port and a radio-frequency channel, or antenna pulling away unit is connected with multiple radio-frequency channels by a port, depending on concrete connected mode is applied according to reality, is not specifically limited herein.
It should be noted that in the embodiment of the present invention, RRU has at least one, it is not specifically limited herein.
In the embodiment of the present invention, at least two port in N number of port is different types of port, a kind of signal corresponding can be sent by each different types of port, or the port correspondence of several same types sends a kind of signal, this N number of port is utilized to send multiple different signal, thus support MIMO technology, effectively promote data service capacity.
On the basis of embodiment illustrated in fig. 3, referring to Fig. 4, in the embodiment of the present invention, another embodiment of the network architecture includes:
Antenna pulling away unit 401, RRU402, hub HUB403 and baseband processing unit BBU404.
Described antenna pulling away unit 401 is configured with N number of port 4011, and described RRU402 includes M radio-frequency channel 4021, and N is the positive integer more than 1 and less than or equal to M, and at least two port in described N number of port is different types of port；
That is: described antenna pulling away unit is connected with M radio-frequency channel in described RRU by described N number of port, any one at least one radio-frequency channel of port correspondence.
Wherein, described antenna pulling away unit is connected by feeder line between described RRU.Feeder line can transmit the signal between antenna pulling away unit and RRU effectively, distort little, that little, capacity of resisting disturbance is lost is strong, conventional feeder line be characteristic impedance be the coaxial feeder of 50 ohm, coaxial feeder has metal screen layer, and capacity of resisting disturbance is strong, and loss is little.
Unlike the prior art, antenna pulling away cell location in the embodiment of the present invention has N number of port, so, carrying out the connection between antenna pulling away unit and RRU by feeder line, the feeder line distance needed for connection is shorter than needed in the art, generally less than 10 meters, owing to feeder line wiring cost is high, and distance meeting more than 10 meters of feeder line wiring causes power consumption penalty, and the network architecture in embodiments of the present invention not only saves the wiring cost of feeder line, and reduces the loss of feeder line power consumption.
Optionally, comprising two distinct types of port in described N number of port 4011, the different types of port interleaving of the two configures, corresponding each type of port sends a kind of signal, such as: described N number of port comprises two distinct types of port port0 and port1, port0 and port1 interconnected, such as, it is followed successively by port0, port1, port0, port1 ...., by interconnected port, the data volume of UE can be increased to a greater extent.By port0 and port1 interconnected after, respectively send two kinds of different signals, thus support MIMO technology, also reduce cost.
Optionally, described antenna pulling away unit 401 includes N strip antenna, the corresponding described port of the every strip antenna in described N strip antenna；
Such as: the most corresponding port of N strip antenna, it is assumed that the type of each port is different, then N number of port that N strip antenna is corresponding at most can send the signal that N kind is different.
Or, described antenna pulling away unit 401 includes N number of antenna sets, the corresponding described port of each antenna sets in described N number of antenna sets, described each antenna sets includes that at least two strip antennas, described at least two strip antennas are adjacent or interconnected antenna, such as, Ant0 to Ant6 is arranged in order, and selects Ant0, Ant1, Ant2, Ant3 is an antenna sets, or Ant0, Ant2, Ant4, Ant6 are an antenna sets.
Such as: be grouped by all of antenna, each antenna sets comprises at least two strip antennas, the corresponding port of each antenna sets, wherein, antenna in each antenna sets is adjacent or staggered antenna, it is assumed that each antenna sets has 2 strip antennas, such as: adjacent antenna Ant0, Ant1 is an antenna sets, Ant 2 and Ant 3 is an antenna sets, or accordingly, staggered antenna Ant0, Ant2 is an antenna sets, and Ant 1 and Ant 3 is an antenna sets.
It should be noted that the type of port corresponding to each antenna sets can be identical, it is also possible to different, it addition, in some optional embodiments, it is also possible to it is the corresponding port of multiple antenna sets, is not specifically limited herein.
Optionally, when described antenna pulling away unit 401 includes N number of antenna sets, the described network architecture also includes N number of power splitter；
Each power splitter in described N number of power splitter, is connected with an antenna sets in described N number of antenna sets by feeder line, and the port corresponding by one antenna sets is connected with M radio-frequency channel in described RRU.
Described HUB403 is connected with described BBU404 and described RRU402 respectively；
Wherein, it is connected by optical fiber between described HUB with described BBU, the interference can being substantially reduced on different passage between UE by fiber-optic transfer.
Being connected by netting twine between described HUB with described RRU, the insulation distance between netting twine is little, and it is little to take up an area space, underground laying and do not take up an area face space above, do not affected by ambient contamination, transmission speed is high.Netting twine in the embodiment of the present invention can be to surpass 5 class line cat5e or 6 class twisted-pair feeder cat6 etc., is not specifically limited herein, and wherein, the transmission speed of cat5e may be up to 1000Mbps.
It should be noted that in the embodiment of the present invention, RRU has at least one, a RRU is to there being a HUB.
It is described further below and realizes signal stream from BBU to the active link of antenna pulling away unit according to this network architecture:
Described M radio-frequency channel 4021 is for sending the first signal by described N number of port 4011 to described antenna pulling away unit 401；Wherein, corresponding can send a kind of signal by a port, or the port correspondence of several same type sends a kind of signal, owing at least two port in described N number of port is different types of port, therefore, can support to comprise the first signal of at least two different frequency by described N number of port.
Described antenna pulling away unit 401, for receiving described first signal by the described N number of port 4011 described M radio-frequency channel 4021 from described RRU402.
In the embodiment of the present invention, antenna pulling away unit can receive identical signal by N number of port from described RRU, it is also possible to receives different signals, is not specifically limited herein.
Described HUB403, for receiving secondary signal, and described M the radio-frequency channel 4021 described secondary signal being sent in described RRU402 from described BBU404, described secondary signal process is formed described first signal by described M radio-frequency channel 4021；
In the embodiment of the present invention, HUB has the forwarding capability of signal, receives secondary signal, and described M the radio-frequency channel described secondary signal being sent in described RRU from described BBU, and M radio-frequency channel forms the first signal after being amplified described secondary signal processing.
Described BBU404 is for sending described secondary signal to described HUB403.
Additionally, when described antenna pulling away unit 401 includes N number of antenna sets, described power splitter, for by the described port that one antenna sets is corresponding be sent respectively to one antenna sets after the power-sharing that described radio-frequency channel 4021 receives described at least two strip antennas.
Forgoing describe signal stream from BBU to the active link of antenna pulling away unit, signal stream active link from antenna pulling away unit to BBU be further illustrated below:
Described antenna pulling away unit 401, is additionally operable to send the 3rd signal by the described N number of port 4011 described M radio-frequency channel 4021 in described RRU402, and described 3rd signal is the signal that described antenna pulling away unit 401 obtains from described UE；
Described M radio-frequency channel 4021, is additionally operable to receive described 3rd signal by described N number of port 4011 from described antenna pulling away unit 401, and the 4th signal formed after described 3rd signal processing is sent to described HUB403；
Described HUB403, is additionally operable to receive from described radio-frequency channel 4021 described 4th signal, and described 4th signal is sent to described BBU404；
Described BBU404, be additionally operable to from described HUB403 receive described 4th signal, and described 4th signal is demodulated wait process.
Additionally, when described antenna pulling away unit 401 includes N number of antenna sets, described power splitter, for the power set by least two strip antennas described in one antenna sets, and the power after being gathered by the described port that one antenna sets is corresponding is sent to described radio-frequency channel 4021.
In the embodiment of the present invention, at least two port in N number of port is different types of port, a kind of signal corresponding can be sent by each different types of port, or the port correspondence of several same types sends a kind of signal, any two adjacent port in N number of port is different types of port, any different types of port interleaving configures, thus increase the data volume of UE, this N number of port is utilized to send multiple different signal, or receive multiple difference or identical signal, thus support MIMO technology, effectively promote data service capacity.
On the basis of Fig. 3 and embodiment illustrated in fig. 4, referring to Fig. 5, an embodiment of the method for resource distribution in the embodiment of the present invention, the method for this resource distribution is that the network architecture of application drawing 3 or embodiment illustrated in fig. 4 realizes.Described embodiment includes:
501, determine user equipment (UE) is carried out the passage group of resource distribution；
Described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, comprising M second channel in described second channel group, N is the positive integer more than 1 and less than or equal to M；
In actual applications, with specific reference to which kind of passage group, UE is carried out resource distribution, refer to the disposal ability of BBU, the data volume of current network or the data volume etc. of current UE, such as, according to second channel, UE is carried out resource distribution when the data volume of current network is bigger, when the data volume of current network is less, according to first passage, UE is carried out resource distribution.
502, according to the passage group determined, UE is carried out resource distribution.
BBU carries out resource distribution to UE successively according to the priority orders of UE.
In the embodiment of the present invention, first BBU determines the passage group that UE carries out resource distribution, described BBU carries out resource distribution according to the described passage group determined to described UE, described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, described second channel group comprises M second channel, N is the positive integer more than 1 and the positive integer less than or equal to M, multiple different signal all can be sent by first passage group or second channel group, thus support MIMO technology, effectively promote data service capacity.
On the basis of embodiment illustrated in fig. 5, referring to Fig. 6 further, in the embodiment of the present invention, another embodiment of the method for resource distribution includes:
601, when UE being carried out resource distribution according to first passage group, the signal power of reference signal SRS corresponding on the UE N number of first passage in first passage group is obtained；
Owing to first passage group is according to determined by the N number of port in antenna pulling away unit, i.e. obtain the signal power that UE has the SRS of correspondence on each port.
602, determine according to the signal power of SRS and meet the first passage of preset requirement；
When the signal power that BBU judges SRS meets preset requirement, then the first passage corresponding to the signal power of the SRS meeting preset requirement is the first passage meeting preset requirement.
Such as: when the signal power that BBU judges SRS corresponding on any one first passage for UE meets preset requirement, then at corresponding first passage, UE is carried out resource distribution.
Or, when BBU judges that the signal power difference of SRS corresponding on any two first passage meets preset requirement, then on two corresponding first passages, UE is carried out resource distribution.
603, on the first passage meet preset requirement, resource is configured to described UE.
After BBU determines the first passage meeting preset requirement, choosing UE according to User Priority principle, such as, the User Priority of general voice call is higher than the User Priority of web page browsing, after choosing UE, then on the first passage meet preset requirement, configure resource to described UE.
In the embodiment of the present invention, when UE being carried out resource distribution according to first passage group, BBU obtains the signal power of reference signal SRS corresponding on the UE N number of first passage in first passage group, BBU determines the first passage meeting preset requirement according to the signal power of SRS, and BBU configures resource to described UE on the first passage meet preset requirement.Owing to first passage group comprising N number of first passage, different signals can be received and dispatched by N number of first passage, thus support MIMO technology, effectively promote data service capacity.
On the basis of embodiment illustrated in fig. 6, referring to Fig. 7 further, in the embodiment of the present invention, another embodiment of the method for resource distribution includes:
701, when UE being carried out resource distribution according to second channel group, the channel information of SRS corresponding on UE M second channel in second channel group is obtained；
In embodiments of the present invention, the channel information utilizing SRS calculates the characteristic vector of UE and determines the second channel meeting preset requirement.
702, the channel information according to SRS calculates the characteristic vector of UE；
Optionally, BBU decomposes the signal message of described SRS by singular value decomposition algorithm SVD, calculate the characteristic vector of described UE, this feature vector can be as the fixed reference feature that UE carries out resource distribution according to priority orders, such as: when the inner product of the characteristic vector of UE1 and UE2 is less than predetermined threshold value, then BBU preferentially carries out resource distribution to UE1 and UE2.
703, determine according to the channel information of SRS and meet the second channel of preset requirement；
Wherein, value that the signal message of this SRS comprises channel quality indication (CQI) information and channel is lost, such as: when channel quality indication (CQI) information is more than predetermined threshold value, and channel is lost value when being N, it is determined that the second channel that the signal message of this SRS is corresponding is the second channel meeting preset requirement.
In the embodiment of the present invention, step 702 does not limits with the sequencing of step 703.
704, on the second channel meet preset requirement, resource is configured to UE.
In some optional embodiments, the second channel meet preset requirement includes to UE configuration resource:
BBU chooses a UE according to User Priority principle from described UE, and a described UE is the UE that priority first is high；
Described BBU configures resource to a described UE on the second channel meet preset requirement.
In some optional embodiments, the second channel meet preset requirement includes to UE configuration resource:
Described BBU chooses described 2nd UE and the 3rd UE according to User Priority principle from described UE, and described 2nd UE is the UE that priority first is high, and described 3rd UE is the UE that priority second is high；
Described BBU calculates the inner product of the characteristic vector of described 2nd UE and described 3rd UE；
When the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, described BBU configures resource to described 2nd UE and described 3rd UE on the described second channel meeting preset requirement.
In some optional embodiments, on the described second channel meeting preset requirement after described 2nd UE and described 3rd UE configuration resource, described BBU carries out ZF according to EZF algorithm to the characteristic vector of described 2nd UE and the 3rd UE, and by the maps feature vectors of described 2nd UE and the 3rd UE after ZF to the described second channel meeting preset requirement.
In the embodiment of the present invention, when UE being carried out resource distribution according to second channel group, BBU obtains the channel information of SRS corresponding on UE M second channel in second channel group, BBU calculates the characteristic vector of UE according to the channel information of SRS, BBU determines the second channel meeting preset requirement according to the signal message of SRS, BBU configures resource to UE on the second channel meet preset requirement, owing to second channel group comprising M second channel, different signals can be received and dispatched by M second channel, thus support MIMO technology, effectively promote data service capacity.
For ease of preferably implementing the above-mentioned correlation technique of the embodiment of the present invention, relevant apparatus for coordinate said method is also provided below.
Referring to Fig. 8, an embodiment of the device 800 of resource distribution in the embodiment of the present invention includes: processing module 801；
Described processing module 801, for determining the passage group that user equipment (UE) is carried out resource distribution, described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, comprising M second channel in described second channel group, N is the positive integer more than 1 and less than or equal to M；
Described processing module 801, is additionally operable to the described passage group according to determining and described UE is carried out resource distribution.
Optionally, described processing module 801, specifically for when described UE being carried out resource distribution according to described first passage group, obtain the signal power of reference signal SRS corresponding on the described UE N number of first passage in described first passage group, and determine the first passage meeting preset requirement according to the signal power of described SRS, and configure resource to described UE on the described first passage meeting preset requirement.
Optionally, described processing module 801, specifically for when described UE being carried out resource distribution according to described second channel group, obtain the channel information of SRS corresponding on described UE M second channel in described second channel group, and determine the second channel meeting preset requirement according to the channel information of described SRS, and configure resource to described UE on the described second channel meeting preset requirement.
Optionally, described processing module 801, it is additionally operable on the described second channel meeting preset requirement, before described UE configuration resource, calculate the characteristic vector of described UE according to the channel information of described SRS.
Optionally, described processing module 801, specifically for being decomposed the signal message of described SRS by singular value decomposition algorithm SVD, calculate the characteristic vector of described UE.
Optionally, described processing module 801, specifically for choosing a UE from described UE according to User Priority principle, a described UE is the UE that priority first is high, and configures resource to a described UE on the described second channel meeting preset requirement.
Optionally, described processing module 801, specifically for choosing the 2nd UE and the 3rd UE from described UE according to User Priority principle, described 2nd UE is the UE that priority first is high, described 3rd UE is the UE that priority second is high, calculate the inner product of the characteristic vector of described 2nd UE and described 3rd UE, when the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, the described second channel meeting preset requirement configures resource to described 2nd UE and described 3rd UE.
Optionally, described processing module 801, it is additionally operable on the described second channel meeting preset requirement after described 2nd UE and described 3rd UE configuration resource, according to strengthening ZF EZF algorithm, the characteristic vector of described 2nd UE and the 3rd UE is carried out ZF, and by the maps feature vectors of described 2nd UE and the 3rd UE after ZF to the described second channel meeting preset requirement.
The concrete structure of the device of resource distribution is illustrated by the embodiment shown in Fig. 8 from the angle of functional module, and the concrete structure of the device of resource distribution is illustrated by the embodiment below in conjunction with Fig. 9 from hardware point of view:
Refer to Fig. 9, one structural representation of the device 900 of the resource distribution that Fig. 9 provides for the embodiment of the present invention, including transceiver 901, memorizer 902, processor 903 and bus 904, described transceiver 901, memorizer 902 and processor 903 are connected, wherein with described bus 904:
Described transceiver 901 is used for receiving or sending data；
Described memorizer 902 is used for storing program, and described processor 903 is used for calling below described program execution and operates:
Determine the passage group that user equipment (UE) is carried out resource distribution, described passage group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to second channel group determined by M radio-frequency channel in described Remote Radio Unit, described first passage group comprises N number of first passage, comprising M second channel in described second channel group, N is the positive integer more than 1 and less than or equal to M；
Described passage group according to determining carries out resource distribution to described UE.
Described processor 903 is additionally operable to perform following operation:
When described UE being carried out resource distribution according to described first passage group, obtain the signal power of reference signal SRS corresponding on the described UE N number of first passage in described first passage group, and determine the first passage meeting preset requirement according to the signal power of described SRS, and configure resource to described UE on the described first passage meeting preset requirement.
Described processor 903 is additionally operable to perform following operation:
When described UE being carried out resource distribution according to described second channel group, obtain the channel information of SRS corresponding on described UE M second channel in described second channel group, and determine the second channel meeting preset requirement according to the channel information of described SRS, and configure resource to described UE on the described second channel meeting preset requirement.
Described processor 903 is additionally operable to perform following operation:
On the described second channel meeting preset requirement before described UE configuration resource, calculate the characteristic vector of described UE according to the channel information of described SRS.
Described processor 903 is additionally operable to perform following operation:
Decomposed the signal message of described SRS by singular value decomposition algorithm SVD, calculate the characteristic vector of described UE.
Optionally, choosing a UE according to User Priority principle from described UE, a described UE is the UE that priority first is high, and configures resource to a described UE on the described second channel meeting preset requirement.
Optionally, from described UE, the 2nd UE and the 3rd UE is chosen according to User Priority principle, described 2nd UE is the UE that priority first is high, described 3rd UE is the UE that priority second is high, calculate the inner product of the characteristic vector of described 2nd UE and described 3rd UE, when the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, the described second channel meeting preset requirement configures resource to described 2nd UE and described 3rd UE.
Optionally, on the described second channel meeting preset requirement after described 2nd UE and described 3rd UE configuration resource, according to strengthening ZF EZF algorithm, the characteristic vector of described 2nd UE and the 3rd UE is carried out ZF, and by the maps feature vectors of described 2nd UE and the 3rd UE after ZF to the described second channel meeting preset requirement.
On the basis of above example, referring to Figure 10 a-10b and Figure 11 a-11b, in the embodiment of the present invention, the embodiment of the application scenarios of the network architecture includes:
nullRefer to Figure 10 a-10b，It is respectively a structural representation drawing two network architectures and an embodiment schematic diagram of the corresponding network coverage，Wherein，Radio-frequency channel RF in RRU passes through feeder line external antenna extension unit，RF has 2，RRU has 3，HUB has one，One HUB can at least one RRU corresponding，Wherein，Figure 10 a is one corresponding for RRU one and draws two network architecture diagram，And the antenna distributed deployment in antenna pulling away unit，Antenna has 2，It is respectively Ant0 and Ant1，The port port that adjacent antenna configurations is different，In order to ensure the access of current UE，Adjacent antenna interconnected first port port0 and the second port port1，It is connected between RRU with HUB and has cat5e，It is connected between BBU with HUB and has optical fiber fiber.
When the Reference Signal Received Power ensureing in-door covering is more than-105dBm, according to Simulation Evaluation, antenna distance 10m is required under the network architecture of the prior art, in the embodiment of the present invention one draws under two network architectures, power launched by antenna is 19dBm, when the network coverage with prior art is suitable, antenna distance 15m, RRU spacing is 30m, therefore, relative to prior art, being effectively reduced the quantity of RRU, owing to RRU quantity reduces, the quantity of corresponding BBU and HUB declines accordingly, Material Cost declines, and cost of labor the most significantly declines simultaneously.
In the embodiment of the present invention one draws under two network architectures, UE is carried out to carry out resource distribution with passage corresponding for port0 with port1 during resource distribution by BBU, now can support double fluid, and only one of which port in prior art, single current can only be supported, one draws the space division multiplexing gain that can obtain single user under two network architectures, by Simulation Evaluation, can obtain the capacity gain of 30%～60% compared to existing technology.
One draws under two network architectures, BBU can also carry out resource distribution, as shown in fig. lob, an embodiment schematic diagram of 3 network coverages corresponding for RRU by passage corresponding for RF, one RRU comprises 2 RF, one corresponding passage of RF, 3 RRU can support 6 passages, therefore, the spatial degrees of freedom obtaining antenna is 6, now can carry out the spatial reuse algorithm of multi-user, by Simulation Evaluation, the capacity gain of more than 300% can be obtained compared to existing technology.
nullRefer to Figure 11 a-11b，It is respectively a structural representation drawing four network architectures and an embodiment schematic diagram of the corresponding network coverage，Radio-frequency channel RF in RRU passes through feeder line external antenna extension unit，RF has 2，RRU has 2，HUB has one，One HUB can at least one RRU corresponding，Wherein，Figure 11 a is one corresponding for RRU one and draws four network architecture diagram，And the antenna distributed deployment in antenna pulling away unit，Antenna has 4，It is respectively Ant0，Ant1，Ant2，Ant3，Power splitter divides the antennas into two-way，It is divided into the port port that the antenna configurations of two-way is different，In order to ensure the access of current UE，It is divided into the antenna interconnected first port port0 and the second port port1 of two-way，It is connected between RRU with HUB and has cat5e，It is connected between BBU with HUB and has optical fiber fiber.
Owing to power splitter makes two antennas share a power, the power of each antenna halves, it is contemplated that line loss, and each antenna power is reduced to 15dBm by 19dBm；In order to ensure and the most identical covering, through Simulation Evaluation, antenna distance is 10m, and now two RRU spacing are 40m, therefore, relative to prior art, being effectively reduced the quantity of RRU, owing to RRU quantity reduces, the quantity of corresponding BBU and HUB declines accordingly, Material Cost declines, and cost of labor significantly declines simultaneously.
In the embodiment of the present invention one draws under four network architectures, UE is carried out to carry out resource distribution with passage corresponding for port0 with port1 during resource distribution by BBU, now can support double fluid, and only one of which port in prior art, single current can only be supported, one draws the space division multiplexing gain that can obtain single user under two network architectures, by Simulation Evaluation, can obtain the capacity gain of 30%～60% compared to existing technology.
One draws under four network architectures, BBU can also carry out resource distribution, as shown in figure 11b, an embodiment schematic diagram of 2 network coverages corresponding for RRU by passage corresponding for RF, one RRU comprises 2 RF, one corresponding passage of RF, 2 RRU can support 4 passages, therefore, the spatial degrees of freedom obtaining antenna is 4, now can carry out the spatial reuse algorithm of multi-user, by Simulation Evaluation, compare DAS and can obtain the capacity gain of more than 200%.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematically, such as, the division of described unit, be only a kind of logic function to divide, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, can be stored in a computer read/write memory medium.Based on such understanding, completely or partially can embodying with the form of software product of part that prior art is contributed by technical scheme the most in other words or this technical scheme, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), the various media that can store program code such as magnetic disc or CD.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (22)
1. a network architecture, it is characterised in that including: antenna pulling away unit, Remote Radio Unit
RRU；
Described antenna pulling away cell location has N number of port, described RRU to include M radio-frequency channel, institute
State N number of port and comprise the different types of port of at least two；
Described antenna pulling away unit is by described N number of port with M radio-frequency channel in described RRU even
Connect, any one port at least one radio-frequency channel corresponding in described N number of port；
Wherein, described N and described M is positive integer, and meets N less than or equal to M.
The network architecture the most according to claim 1, it is characterised in that
When described N number of port comprises two distinct types of port, the different types of port of the two
Interconnected.
The network architecture the most according to claim 1 and 2, it is characterised in that
Described antenna pulling away unit includes N strip antenna, corresponding one of the every strip antenna in described N strip antenna
Described port；
Or, described antenna pulling away unit includes N number of antenna sets, each sky in described N number of antenna sets
The corresponding described port of line group, described each antenna sets includes at least two strip antennas, described at least two
Antenna is adjacent or interconnected antenna.
The network architecture the most according to claim 3, it is characterised in that when described antenna pulling away unit
During including N number of antenna sets, the described network architecture also includes N number of power splitter；
Each power splitter in described N number of power splitter, by feeder line and in described N number of antenna sets
Antenna sets connects, and the port corresponding by one antenna sets leads to M radio frequency in described RRU
Road connects.
The network architecture the most according to claim 1, it is characterised in that the described network architecture also includes:
Baseband processing unit BBU and hub HUB；
Described HUB is connected with described BBU and described RRU respectively；
Wherein, it is connected by optical fiber between described HUB with described BBU, described HUB and described RRU
Between connected by netting twine.
The network architecture the most according to claim 1, it is characterised in that
Described antenna pulling away unit is connected by feeder line between described RRU.
7. the method that application network framework realizes resource distribution, the described network architecture such as claim 1
To the network architecture described in 6 any one, it is characterised in that described method includes:
Determine that the passage group that user equipment (UE) carries out resource distribution, described passage group include drawing according to antenna
First passage group determined by N number of port in remote unit or according to the M in described Remote Radio Unit
Second channel group determined by individual radio-frequency channel, comprises N number of first passage, institute in described first passage group
Stating and comprise M second channel in second channel group, N is the positive integer more than 1 and less than or equal to M；
Described passage group according to determining carries out resource distribution to described UE.
Method the most according to claim 7, it is characterised in that described according to the described passage determined
Group carries out resource distribution to described UE and includes:
When described UE being carried out resource distribution according to described first passage group, obtain described UE described
The signal power of reference signal SRS corresponding on the N number of first passage in first passage group；
Signal power according to described SRS determines the first passage meeting preset requirement；
The described first passage meeting preset requirement configures resource to described UE.
Method the most according to claim 7, it is characterised in that described according to the described passage determined
Group carries out resource distribution to described UE and includes:
When described UE being carried out resource distribution according to described second channel group, obtain described UE described
The channel information of SRS corresponding on M second channel in second channel group；
Channel information according to described SRS determines the second channel meeting preset requirement；
The described second channel meeting preset requirement configures resource to described UE.
Method the most according to claim 9, it is characterised in that described described meet preset want
On the second channel asked before described UE configuration resource, also include:
Channel information according to described SRS calculates the characteristic vector of described UE.
11. methods according to claim 10, it is characterised in that the described signal according to described SRS
Information calculates the characteristic vector of described UE and includes:
Decomposed the signal message of described SRS by singular value decomposition algorithm SVD, calculate the spy of described UE
Levy vector.
12. according to the method described in any one of claim 7 to 11, it is characterised in that described described full
Include to described UE configuration resource on the second channel of foot preset requirement:
Choosing a UE, a described UE from described UE according to User Priority principle is priority
One high UE；
The described second channel meeting preset requirement configures resource to a described UE.
13. according to the method described in any one of claim 7 to 11, it is characterised in that described described
Meet and include to described UE configuration resource on the second channel of preset requirement:
Choosing the 2nd UE and the 3rd UE, described 2nd UE from described UE according to User Priority principle is
The UE that priority first is high, described 3rd UE is the UE that priority second is high；
Calculate the inner product of the characteristic vector of described 2nd UE and described 3rd UE；
When the inner product of the characteristic vector of described 2nd UE and described 3rd UE is less than predetermined threshold value, in institute
State to meet and configure resource to described 2nd UE and described 3rd UE on the second channel of preset requirement.
14. methods according to claim 13, it is characterised in that described described meet preset want
On the second channel asked after described 2nd UE and described 3rd UE configuration resource, also include:
According to strengthening ZF EZF algorithm, the characteristic vector of described 2nd UE and the 3rd UE is carried out ZF, and
The maps feature vectors of described 2nd UE after ZF and the 3rd UE is met the of preset requirement to described
On two passages.
The device of 15. 1 kinds of resource distributions, it is characterised in that including: processing module；
Described processing module, for determining the passage group that user equipment (UE) is carried out resource distribution, described logical
Road group includes according to first passage group determined by the N number of port in antenna pulling away unit or according to described
Second channel group determined by M radio-frequency channel in Remote Radio Unit, wraps in described first passage group
Containing N number of first passage, comprising M second channel in described second channel group, N is more than 1 and to be less than
Positive integer equal to M；
Described processing module, is additionally operable to the described passage group according to determining and described UE is carried out resource distribution.
16. devices according to claim 15, it is characterised in that
Described processing module, specifically for when according to described first passage group, described UE being carried out resource distribution
Time, obtain reference signal SRS corresponding on the described UE N number of first passage in described first passage group
Signal power, and determine the first passage meeting preset requirement according to the signal power of described SRS, and
The described first passage meeting preset requirement configures resource to described UE.
17. devices according to claim 15, it is characterised in that
Described processing module, specifically for when according to described second channel group, described UE being carried out resource distribution
Time, obtain the channel of SRS corresponding on described UE M second channel in described second channel group
Information, and the second channel meeting preset requirement is determined according to the channel information of described SRS, and described
Meet and configure resource to described UE on the second channel of preset requirement.
18. devices according to claim 17, it is characterised in that
Described processing module, is additionally operable to configure to described UE on the described second channel meeting preset requirement
Before resource, calculate the characteristic vector of described UE according to the channel information of described SRS.
19. devices according to claim 18, it is characterised in that
Described processing module, is believed specifically for being decomposed the signal of described SRS by singular value decomposition algorithm SVD
Breath, calculates the characteristic vector of described UE.
20. according to the device described in any one of claim 15 to 19, it is characterised in that
Described processing module, specifically for choosing a UE from described UE according to User Priority principle,
A described UE is the UE that priority first is high, and to institute on the described second channel meeting preset requirement
State a UE and configure resource.
21. according to the device described in any one of claim 15 to 19, it is characterised in that
Described processing module, specifically for according to User Priority principle choose from described UE the 2nd UE and
3rd UE, described 2nd UE is the UE that priority first is high, and described 3rd UE is that priority second is high
UE, calculates the inner product of the characteristic vector of described 2nd UE and described 3rd UE, when described 2nd UE and institute
When the inner product of the characteristic vector stating the 3rd UE is less than predetermined threshold value, meet the second of preset requirement described
Resource is configured to described 2nd UE and described 3rd UE on passage.
22. devices according to claim 21, it is characterised in that
Described processing module, is additionally operable on the described second channel meeting preset requirement to described 2nd UE
After described 3rd UE configuration resource, according to strengthening ZF EZF algorithm to described 2nd UE and the 3rd UE
Characteristic vector carry out ZF, and the maps feature vectors of described 2nd UE and the 3rd UE after ZF is arrived
On the described second channel meeting preset requirement.
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| CN110461043A (en) * | 2018-05-08 | 2019-11-15 | 大唐移动通信设备有限公司 | A kind of channel selection method, Base Band Unit and base station |
| CN110461043B (en) * | 2018-05-08 | 2020-12-04 | 大唐移动通信设备有限公司 | Channel selection method, baseband unit and base station |
| CN111934798A (en) * | 2020-08-10 | 2020-11-13 | 河北电信设计咨询有限公司 | User-centered RRU module capable of dynamically allocating channels and channel dynamic allocation method thereof |
| CN111934798B (en) * | 2020-08-10 | 2022-07-01 | 河北电信设计咨询有限公司 | User-centered RRU module capable of dynamically allocating channels and channel dynamic allocation method thereof |
| CN112351437A (en) * | 2020-09-30 | 2021-02-09 | 联想(北京)有限公司 | Data processing method and device of forwarding network |
| CN112351437B (en) * | 2020-09-30 | 2021-12-24 | 联想(北京)有限公司 | Data processing method and device of forwarding network |
| WO2024045840A1 (en) * | 2022-08-30 | 2024-03-07 | 华为技术有限公司 | Communication method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106330279B (en) | 2020-02-14 |
| WO2017000717A9 (en) | 2017-03-23 |
| CN111246492B (en) | 2021-12-10 |
| CN111246492A (en) | 2020-06-05 |
| WO2017000717A1 (en) | 2017-01-05 |
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