CN113766679A - BBU (base band unit), communication method between BBU and RRU (remote radio unit) and networking system - Google Patents
BBU (base band unit), communication method between BBU and RRU (remote radio unit) and networking system Download PDFInfo
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- CN113766679A CN113766679A CN202111085678.0A CN202111085678A CN113766679A CN 113766679 A CN113766679 A CN 113766679A CN 202111085678 A CN202111085678 A CN 202111085678A CN 113766679 A CN113766679 A CN 113766679A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 title claims abstract description 28
- 230000006855 networking Effects 0.000 title claims abstract description 25
- 102100022734 Acyl carrier protein, mitochondrial Human genes 0.000 claims abstract description 9
- 101000678845 Homo sapiens Acyl carrier protein, mitochondrial Proteins 0.000 claims abstract description 9
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
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- 101100240462 Homo sapiens RASAL2 gene Proteins 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/04—Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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Abstract
The invention belongs to the technical field of communication equipment, in particular to a BBU (base band unit), a communication method between the BBU and an RRU (remote radio unit) and a networking system, aiming at the problem that the convergence mode of a scattering mode in the prior art can reduce the network speed along with the increase of access points, the following scheme is proposed, and the method comprises the following steps: the method comprises the steps that a BBU and an RRU are arranged, and a carried antenna feeder system is added to transmit signals to a client side and achieve an interaction function, wherein a BBU baseband processing unit is arranged at a transmitting end of the BBU, and an RRU remote unit is arranged at a transmitting end of the RRU; the set of control system comprises a core network, a BBU and an RRU, wherein the core network part comprises an AMF serving as a control core and a UPF serving as a user plane core, and the control plane of the AMF is respectively provided with an RRC and a PDCP-C; SDAP and PDCP-U are arranged under the control of a user plane core UPF, and then the SDAP and the PDCP-U interact with each other and transmit signals to RLC-MAC-PHY of a BBU end. The invention increases the data processing capacity and the user plane processing capacity, increases the forwarding bandwidth and the number of interfaces and increases various indexes.
Description
Technical Field
The invention relates to the technical field of communication systems, in particular to a BBU (base band unit), a communication method between the BBU and an RRU (remote radio unit) and a networking system.
Background
The 5G NR BBU is used for realizing a 5G NR base station processing unit, centrally controlling and managing the whole base station system, realizing direct access and data interaction with a 5G core network, realizing NGAP and XnAP interfaces, and simultaneously realizing 5GNR access network protocol stack functions, RRC, PDCP, SDAP, RLC, MAC and PHY protocol layer functions and baseband processing functions.
The searched Chinese patent No. CN202011045023.6 discloses a data transmission method of a wireless networking system and the wireless networking system, the method comprises the following steps: dividing a superframe into a reserved time slot, an exclusive broadcast beacon time slot and an exclusive receiving time slot of a sink node; broadcasting a beacon frame of the sink node in an exclusive broadcast beacon time slot of the sink node; receiving a data packet of an acquisition node in an exclusive receiving time slot of a sink node; judging whether the acquisition node is a first non-network-connected node or a network-connected node; if the node is the first node which does not access the network, setting a first network access configuration parameter and writing the first network access configuration parameter into the next beacon frame; if the node is the accessed node; however, the communication mode can weaken the signal strength and is not beneficial to the setting of multiple users in the field.
Disclosure of Invention
The invention provides a BBU (base band unit), a communication method between the BBU and an RRU (remote radio unit) and a networking system, aiming at solving the problem that the network speed is reduced along with the increase of access points in a convergence mode of a scattering mode in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a communication method between a BBU unit and a RRU comprises the following steps:
the method comprises the following steps: the method comprises the steps that a BBU and an RRU are arranged, and a carried antenna feeder system is added to transmit signals to a client side and achieve an interaction function, wherein a BBU baseband processing unit is arranged at a transmitting end of the BBU, and an RRU remote unit is arranged at a transmitting end of the RRU;
step two: the set of control system comprises a core network, a BBU and an RRU, wherein the core network part comprises an AMF serving as a control core and a UPF serving as a user plane core, and the control plane of the AMF is respectively provided with an RRC and a PDCP-C;
the SDAP and the PDCP-U are arranged under the control of a user plane core UPF, and then the SDAP and the PDCP-U are interacted with each other, and then signals are transmitted to an RLC-MAC-PHY (radio link control-MAC-PHY) of a BBU end, and are converted into RF (radio frequency) in the RRU after information processing;
step three: and finally transmitting through the antenna feeder system.
As a preferred solution in the present invention, the BBU function index includes indexes such as a maximum cell number, a carrier bandwidth, a user plane processing capability, a signaling processing capability, a forward transmission bandwidth and the number of interfaces, and a backward transmission bandwidth and the number of interfaces.
A BBU unit, a communication method between the BBU and the RRU and a BBU in a networking system comprise a body shell 4 with a cavity in a cuboid box structure, wherein the body shell 4 is in a flat structure as a whole, a plurality of indicator lamps and recording ports are reserved on the front of the body shell 4, 4 RJ-45100/1000 BASE-T interfaces are reserved in the front of the body shell 4, 2 USB 3.0 interfaces are arranged beside the RJ-45100/1000 BASE-T interface, 4 10G SFP + Ethenet Port interfaces and power keys are arranged beside the USB 3.0 interface, VGA interfaces and PLUG interfaces are respectively arranged on two sides of the back of the body shell 4, 6 Adaptive Speed Fans are arranged between the VGA interfaces, L-shaped fixing plates are fixed on the front of the body shell close to the two sides, and screw holes are formed on the front of the L-shaped fixing plates, the spiro union has fastening bolt in the screw, the fuselage shell is close to the back with the both sides outer wall of L shape fixed plate homonymy and passes through the fix with screw horned iron locating plate to can fix the fuselage shell of BBU on the mounted position that reserves in advance or the support frame that is used for fixed fuselage specially through fastening bolt and angle iron locating plate when using, improve the convenience of installation.
As a preferable scheme in the invention, a horizontally arranged guide groove is formed in one side of the body shell close to the angle iron positioning plate, so that when the device is used and is installed, the guide groove in the side surface of the body shell is clamped and connected along a preset rail and horizontally pushed into the installation groove, and the stability of the device is improved.
As the preferable scheme of the invention, four screw holes are formed in the side surface of the machine body shell close to the angle iron positioning plate, and heat dissipation holes which are parallel to each other at equal intervals are formed in one side close to the screw holes.
As a preferable scheme in the invention, four vertical rods which are parallel to each other and vertically distributed are arranged on the periphery of the machine body shell to form an integral supporting frame, and a fixing lath is fixed on one side of the front end, opposite to the two vertical rods.
According to the preferable scheme, the surfaces of the two fixing laths are provided with limiting insertion holes which are distributed equidistantly, the distance between every two adjacent limiting insertion holes is equal to the thickness of the shell of the machine body, the two vertical rods on the rear side are rear side vertical rods, a partition plate which is equal in height and distributed equidistantly is fixed between the two rear side vertical rods and used for fixing the angle iron positioning plate, and six L-shaped clamping plates are fixed on the rear side of the shell of the machine body at the gap of Adaptive Speed Fans.
To sum up, the beneficial effect in this scheme is:
1. according to the BBU, the BBU and RRU communication method and the networking system, when the BBU, the BBU and RRU communication method and the networking system are used, the BBU body shell can be fixed at a preset installation position or on a support frame specially used for fixing the BBU body shell, and the installation convenience is improved;
2. according to the BBU, the communication method between the BBU and the RRU and the networking system, when the BBU, the RRU and the networking system are arranged, when the BBU, the RRU and the networking system are used and are installed, only the guide groove on the side surface of the machine body shell 4 needs to be clamped and connected along the preset track and then horizontally pushed into the installation groove, and therefore the stability of the device is improved;
3. according to the BBU, the communication method between the BBU and the RRU and the networking system, the BBU and the RRU are arranged, and the antenna feeder system is carried to transmit signals to the client and realize an interaction function, so that the data processing capacity and the user plane processing capacity are increased, and the forward bandwidth and the number of interfaces are increased to increase various indexes.
Drawings
Fig. 1 is a schematic flow structure diagram of a BBU unit and a communication method between the BBU and the RRU according to the present invention;
fig. 2 is a functional flow diagram of a BBU unit, a communication method between the BBU and the RRU, and a networking system according to the present invention;
fig. 3 is a schematic diagram of a BBU unit, a communication method between the BBU and the RRU, and a rear side structure of the BBU in the networking system according to the present invention;
fig. 4 is a schematic structural diagram of a BBU unit, a communication method between the BBU and the RRU, and a front side of the BBU in the networking system according to the present invention;
fig. 5 is a schematic three-dimensional structure diagram of a BBU unit, a communication method between the BBU and the RRU, and a BBU in a networking system according to the present invention.
In the figure: 1 core network, 2 user planes, 3 control planes, 4 fuselage shells, 5L-shaped fixing plates, 6 fastening bolts, 7 guide grooves, 8L-shaped clamping plates, 9 honeycomb holes, 10 screw holes, 11 limiting jacks, 12 support frames, 13 fixing laths, 14 angle iron positioning plates, 15 partition plates and 16 rear vertical rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In this example
Referring to fig. 1-2, a BBU unit, a communication method between a BBU and an RRU, includes the following steps:
the method comprises the following steps: the method comprises the steps that a BBU and an RRU are arranged, and a carried antenna feeder system is added to transmit signals to a client side and achieve an interaction function, wherein a BBU baseband processing unit is arranged at a transmitting end of the BBU, and an RRU remote unit is arranged at a transmitting end of the RRU;
step two: the set of control system comprises a core network 1, a BBU and an RRU, wherein the core network 1 part comprises an AMF serving as a control core and a UPF serving as a user plane core, and the control plane of the AMF is respectively provided with an RRC and a PDCP-C;
the SDAP and the PDCP-U are arranged under the control of a user plane core UPF, and then the SDAP and the PDCP-U are interacted with each other, and then signals are transmitted to an RLC-MAC-PHY (radio link control-MAC-PHY) of a BBU end, and are converted into RF (radio frequency) in the RRU after information processing;
step three: and finally transmitting through the antenna feeder system.
The BBU function indexes include indexes such as maximum cell number, carrier bandwidth, user plane processing capacity, signaling processing capacity, forward transmission bandwidth and interface number, and return transmission bandwidth and interface number.
Referring to fig. 3-5, a BBU unit, a communication method between a BBU and an RRU, and a BBU in a networking system, including a body housing 4 having a rectangular box structure with a cavity inside, the body housing 4 being a flat structure as a whole, a plurality of indicator lights and recording ports reserved on the front of the body housing 4, 4 RJ-45100/1000 BASE-T interfaces reserved right in front of the body housing 4, 2 USB 3.0 interfaces arranged beside the RJ-45100/1000 BASE-T interface, 4 SFP + ethernet Port interfaces and power keys arranged beside the USB 3.0 interface, VGA interfaces and PLUG interfaces arranged on both sides of the back of the body housing 4, 6 Adaptive Speed Fans arranged between the VGA interfaces and the PLUG interfaces, an L-shaped fixing plate 5 fixed on both sides of the front of the body housing 4, and a screw hole formed on the front of the L-shaped fixing plate 5, the fastening bolts 6 are screwed in the screw holes, and the outer walls of two sides of the same side of the machine body shell 4 and the L-shaped fixing plate 5 are close to the back and are fixed with the angle iron positioning plate 14 through screws, so that the machine body shell 4 of the BBU can be fixed at a preset mounting position or on the support frame 12 specially used for fixing the machine body through the fastening bolts 6 and the angle iron positioning plate 14 when the machine body shell is used, and the convenience of installation is improved.
Wherein, fuselage shell 4 is close to one side of angle bar locating plate 14 and opens the guide way 7 that has the level to set up to can be when using, when beginning the installation, only need with the guide way of the side of fuselage shell 4 along predetermined track joint, again the horizontally push in the mounting groove can, increased the stability of device.
Wherein, the side of the machine body shell 4 near the angle iron positioning plate 14 is provided with four screw holes 10, and one side near the screw holes 10 is provided with heat dissipation holes which are parallel to each other at equal intervals.
Wherein, the periphery of the fuselage shell 4 is provided with four vertical rods which are parallel to each other and vertically distributed to form an integral supporting frame 12, and one side of the front end opposite to the two vertical rods is fixed with a fixing lath 13.
The surface of two fixed laths 13 is provided with limit jacks 11 distributed at equal intervals, the distance between two adjacent limit jacks 11 is equal to the thickness of the machine body shell 4, two rear vertical rods are rear vertical rods 16, a partition plate 15 which is equal in height and distributed at equal intervals is fixed between the two rear vertical rods 16 and used for fixing an angle iron positioning plate 14, and six L-shaped clamping plates 8 are fixed at the gap of the rear side of the machine body shell 4 at Adaptive Speed Fans.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A communication method between a BBU unit and a BBU and a RRU comprises the following steps:
the method comprises the following steps: the method comprises the steps that a BBU and an RRU are arranged, and a carried antenna feeder system is added to transmit signals to a client side and achieve an interaction function, wherein a BBU baseband processing unit is arranged at a transmitting end of the BBU, and an RRU remote unit is arranged at a transmitting end of the RRU;
step two: the set of control system comprises a core network (1), a BBU and an RRU, wherein the core network (1) part comprises an AMF (advanced multimedia broadcast radio frequency) serving as a control core and a UPF (unified power flow) serving as a user plane core, and an RRC (radio resource control) and a PDCP-C (packet data convergence controller-C) are respectively arranged under a control plane of the AMF;
the SDAP and the PDCP-U are arranged under the control of a user plane core UPF, and then the SDAP and the PDCP-U are interacted with each other, and then signals are transmitted to an RLC-MAC-PHY (radio link control-MAC-PHY) of a BBU end, and are converted into RF (radio frequency) in the RRU after information processing;
step three: and finally transmitting through the antenna feeder system.
2. The BBU, BBU and RRU communication method and networking system of claim 1, wherein the BBU function index includes the maximum cell number, carrier bandwidth, user plane processing capability, signaling processing capability, forward transmission bandwidth and number of interfaces, and return transmission bandwidth and number of interfaces.
3. A BBU unit, a communication method between the BBU and the RRU and a BBU in a networking system comprise a body shell (4) with a cavity in a cuboid box structure, wherein the body shell (4) is in a flat structure as a whole, a plurality of indicator lamps and a recording Port are reserved on the front side of the body shell (4), 4 RJ-45100/1000 BASE-T interfaces are reserved in the front of the body shell (4), 2 USB 3.0 interfaces are arranged beside the RJ-45100/1000 BASE-T interface, 4 10G SFP + Ethenet Port interfaces and power keys are arranged beside the USB 3.0 interface, the BBU unit is characterized in that two sides of the back side of the body shell (4) are respectively provided with a VGA interface and a PLUG interface, 6 Adaptive Speed Fans are arranged between the VGA interface and the PLUG interface, and L-shaped fixing plates (5) are fixed on two sides of the front side of the body shell (4) close to the two sides, and the front of the L-shaped fixing plate (5) is provided with a screw hole, a fastening bolt (6) is screwed in the screw hole, and the outer walls of two sides of the machine body shell (4) at the same side as the L-shaped fixing plate (5) are close to the back and are fixed with an angle iron positioning plate (14) through screws.
4. The BBU unit, the communication method between the BBU and the RRU and the BBU in the networking system according to claim 3, wherein a horizontally arranged guide groove (7) is formed in one side of the body shell (4) close to the angle iron positioning plate (14).
5. The BBU unit, the communication method between the BBU and the RRU and the BBU in the networking system according to claim 3, wherein four screw holes (10) are formed in the side surface of the body housing (4) close to the angle iron positioning plate (14), and heat dissipation holes are formed in one side close to the screw holes (10) and are parallel to each other at equal intervals.
6. The BBU unit, the communication method between the BBU and the RRU and the BBU in the networking system according to claim 3, wherein four vertical rods which are parallel to each other and vertically distributed are arranged on the periphery of the body housing (4) to form an integral supporting frame (12), and a fixing lath (13) is fixed on one side of the front end opposite to the two vertical rods.
7. The BBU unit, the communication method between the BBU and the RRU and the BBU in the networking system according to claim 6, wherein the two fixing slats (13) are provided with limiting jacks (11) distributed equidistantly on the surface, the distance between two adjacent limiting jacks (11) is equal to the thickness of the body shell (4), the two rear vertical rods are rear vertical rods (16), a partition plate (15) which is equal in height and distributed equidistantly is fixed between the two rear vertical rods (16) and used for fixing the angle iron positioning plate (14), and six L-shaped clamping plates (8) are fixed on the rear side of the body shell (4) at the gap of Adaptive Speed Fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085678.0A CN113766679A (en) | 2021-09-16 | 2021-09-16 | BBU (base band unit), communication method between BBU and RRU (remote radio unit) and networking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085678.0A CN113766679A (en) | 2021-09-16 | 2021-09-16 | BBU (base band unit), communication method between BBU and RRU (remote radio unit) and networking system |
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2021
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