CN218959131U - Networking architecture and base station - Google Patents
Networking architecture and base station Download PDFInfo
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- CN218959131U CN218959131U CN202223049288.0U CN202223049288U CN218959131U CN 218959131 U CN218959131 U CN 218959131U CN 202223049288 U CN202223049288 U CN 202223049288U CN 218959131 U CN218959131 U CN 218959131U
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Abstract
The embodiment of the application provides a networking architecture and a base station, wherein the networking architecture comprises a first baseband processing unit, a second baseband processing unit, an antenna and N first remote radio units; the first baseband processing unit is equipment of a first operator, the second baseband processing unit and N first remote radio units are equipment of a second operator, and the N first remote radio units support a first network system; the first baseband processing unit is connected with the N first remote radio units, and the second baseband processing unit is connected with the N first remote radio units; the first baseband processing unit is connected with the second baseband processing unit; the remote radio unit is connected with the antenna. Thus, the first baseband processing unit of the first operator and the second baseband processing unit of the second operator share the remote radio unit, and the first operator can not need to add a new remote radio unit, so that network signal coverage of each operator is realized on the basis of saving equipment resources and further reducing construction cost.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a networking architecture and a base station.
Background
As communication technology advances, users may need to use networks of different operators in the same area.
In some implementations, when implementing network signal coverage of both the a operator and the B operator in the same area, a baseband processing unit (building base band unite, BBU) and a remote radio unit (radio remote unit, RRU) corresponding to the a operator, and a BBU and a RRU corresponding to the B operator need to be newly added.
However, the network signal coverage thus achieved increases construction costs and also increases construction complexity.
Disclosure of Invention
The networking architecture and the base station are beneficial to saving equipment resources, reducing construction complexity and reducing construction cost.
In a first aspect, the present application provides a networking architecture, where the networking architecture includes a first baseband processing unit, a second baseband processing unit, an antenna, and N first remote radio units; the first baseband processing unit is equipment of a first operator, the second baseband processing unit and N first remote radio units are equipment of a second operator, and the N first remote radio units support a first network system;
the first baseband processing unit is connected with the N first remote radio units, and the second baseband processing unit is connected with the N first remote radio units;
the first baseband processing unit is connected with the second baseband processing unit;
the N first remote radio units are connected with the antenna.
In one possible implementation manner, the first baseband processing unit includes a first main control board, a first baseband board and a second baseband board, the second baseband processing unit includes a second main control board and a third baseband board, the first baseband board and the third baseband board support the first network system, and the second baseband board supports the second network system;
the first baseband processing unit is connected with the N first remote radio units through a first baseband board, and the second baseband processing unit is connected with the N first remote radio units through a third baseband board;
the first baseband processing unit is connected with the second baseband processing unit through a first main control board and a second main control board.
In one possible implementation manner, the networking architecture further includes N second remote radio units, where the N second remote radio units support a second network system;
the first baseband processing unit is connected with the N second remote radio units through the second baseband board.
In one possible implementation manner, N is 3, the first baseband board is connected to the first remote radio unit, the second first remote radio unit and the third first remote radio unit, and the first remote radio unit, the second first remote radio unit and the third first remote radio unit are connected to the third baseband board;
the second baseband board is respectively connected with the first second remote radio unit, the second remote radio unit and the third second remote radio unit.
In one possible implementation, the first main control board and the second main control board are connected through a clock information interconnection line.
In one possible implementation, the N first remote units and the N second remote units are connected to the antenna through a combiner.
In one possible implementation, the first network system is a 4G system and the second network system is a 3G system.
In one possible implementation, the first baseband processing unit is configured to provide a first network signal, and the second baseband processing unit is configured to provide a second network signal.
In one possible implementation manner, the first baseband processing unit further includes a first configuration module, where the first configuration module is configured to configure a first clock information interconnection serial port command; the second baseband processing unit further comprises a second configuration module, and the second configuration module is used for configuring a second clock information interconnection serial port command.
In a second aspect, the present application provides a base station comprising a networking architecture as in the first aspect or any one of the possible implementations of the first aspect.
In the application, the first baseband processing unit and the second baseband processing unit are used for controlling the information source of the remote radio unit, namely the first baseband processing unit of the first operator and the second baseband processing unit of the second operator share the remote radio unit, and the first operator can not need to add the remote radio unit, so that equipment resources are saved, the workload of equipment maintenance during maintenance is reduced, the construction cost is further reduced, and meanwhile, network signal coverage of each operator is realized on the basis of rapid networking deployment application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic diagram of a networking architecture according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a networking architecture according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of connection between an RRU and an antenna according to an embodiment of the present application.
Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that the terms "first," "second," "third," "fourth," "fifth," and "sixth," etc. in the description and claims of the present utility model are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As communication technology advances, users may need to use networks of multiple operators in the same area.
In some implementations, when implementing network signal coverage of both the a operator and the B operator in the same area, a baseband processing unit (building base band unite, BBU) and a remote radio unit (radio remote unit, RRU) corresponding to each operator, and a BBU and a RRU corresponding to the B operator need to be newly added.
Wherein, BBU can be used for signal modulation, RRU can be used for carrying out radio frequency processing to the signal.
For example, to realize 3G/4G network signal coverage of the first operator, a set of 3G BBU and 9 3G RRUs need to be added, and a set of 4G BBU and 9 4G RRUs need to be added; to achieve 3G/4G network signal coverage for the second operator, a certain number of BBUs for 4G and RRUs for 4G also need to be added.
However, the network signal coverage of each operator is realized by each operator by each input of a plurality of BBUs and a plurality of RRUs, the input amount of equipment is large, and the installation and use of a large amount of equipment also increase the construction complexity and the workload of equipment maintenance during maintenance, thereby increasing the construction cost.
In view of this, the embodiment of the application proposes a networking architecture, which shares RRU through BBUs of each operator, so as to achieve co-building sharing of networks of each operator on the basis of saving equipment resources and reducing construction cost, thereby achieving network signal coverage of each operator.
The networking architecture provided herein is described below by taking several embodiments as examples, and the same or similar concepts or processes may not be described in further detail in some embodiments.
Exemplary, fig. 1 shows a first networking architecture schematic provided in an embodiment of the present application. As shown in fig. 1, the network architecture includes a first baseband processing unit BBU 101, a second baseband processing unit BBU 102, a first remote radio unit RRU103, and an antenna 104; the first baseband processing unit BBU 101 is a device of a first operator, the second baseband processing unit BBU 102 and the first remote radio unit RRU103 are devices of a second operator, the first remote radio unit RRU103 supports a first network system, the number of the first remote radio units RRU103 may be N, where N may be an integer greater than 1, for example, N may be a value such as 3 or 6.
The antenna 104 may be a leaky coaxial cable (also referred to as a leaky cable), and has functions of transmitting signals and receiving signals.
The first network system is a network type. The first network system may be a 4G system, for example. In the embodiment of the present application, the signal coverage schemes of the first operator and the second operator may be different. Exemplary, to achieve low cost signal coverage, a first operator employs long term evolution (long term evolution, LTE), wideband code division multiple access (wideband code division multiple access, WCDMA) and new air interface (NR); the second operator employs LTE, CDMA800 and NR. The data bearer of the first operator adopts NR and LTE, and the voice bearer adopts WCDMA and long term evolution voice bearer (VoLTE); the data bearers of the second operator employ NR and L1800 (which may also be referred to as LTE 1800); the voice bearer employs CDMA800 and VoLTE.
Further, the first baseband processing unit BBU 101 and the N first remote radio units RRU103 may be connected through optical fibers, and the second baseband processing unit BBU 102 may also be connected to the N first remote radio units RRU103 through optical fibers, that is, the first baseband processing unit BBU 101 and the second baseband processing unit BBU 102 share the N first remote radio units RRU 103. Further, the first baseband processing unit BBU 101 is connected to the second baseband processing unit BBU 102. Further, the first remote radio unit RRU103 and the antenna 104 may be connected by a feeder line. In this way, the first baseband processing unit BBU 101 and the second baseband processing unit BBU 102 can control the information source of the first remote radio unit RRU103, that is, the first baseband processing unit BBU 101 of the first operator and the second baseband processing unit BBU 103 of the second operator share the first remote radio unit RRU103, and the first operator can not add the first remote radio unit RRU, so that the equipment resource is saved, the workload of equipment maintenance during maintenance is reduced, the construction cost is further reduced, and meanwhile, network signal coverage of each operator can be realized on the basis of rapid networking deployment application.
Optionally, the first baseband processing unit BBU includes a first master control board (universal main processing & transmission unit, UMPT) (may also be referred to as a universal master transmission board), a first baseband board (universal baseBand processing unit, UBBP) (may also be referred to as a universal baseband processing board) and a second baseband board UBBP, the second baseband processing unit BBU includes a second master control board UMPT and a third baseband board UBBP, the first baseband board UBBP and the third baseband board UBBP support a first network system, and the second baseband board UBBP supports a second network system;
the first baseband processing unit BBU is connected with the N RRUs through a first baseband board UBP, and the second baseband processing unit BBU is connected with the N RRUs through a third baseband board UBP;
the first baseband processing unit BBU and the second baseband processing unit BBU are connected through a first main control board UMPT and a second main control board UMPT.
The second network system is a network type. The second network format may be different from the first network format. The second network system may be a 3G system, for example.
In the embodiment of the application, a first baseband board UBBP in a first baseband processing unit BBU is connected with N first remote radio units RRU through an optical fiber, so that the first baseband processing unit BBU is connected with N first remote radio units RRU, and a second baseband board UBBP in a second baseband processing unit BBU is connected with N first remote radio units RRU through an optical fiber, so that the second baseband processing unit BBU is connected with N first remote radio units RRU; moreover, the first main control board UMPT in the first baseband processing unit BBU is connected with the second main control board UMPT in the second baseband processing unit BBU, so that the first baseband processing unit BBU and the second baseband processing unit BBU are connected. Therefore, the first baseband processing unit BBU and the second baseband processing unit BBU can share the first RRU, so that equipment resources are saved.
In one possible implementation, the networking architecture may further include N second remote radio units RRU, where the N second remote radio units RRU support a second network system; the first baseband processing unit BBU is connected with N second remote radio units RRU through a second baseband board UBP.
In this embodiment of the present utility model, the first baseband processing unit BBU may further include a second remote radio unit RRU, where the second remote radio unit RRU supports a second network system, so that the first baseband processing unit BBU may further support one network system, thereby implementing 3G/4G network signal coverage of the first operator.
In order to describe the networking architecture provided in the embodiments of the present application in more detail, the networking architecture provided in the embodiments of the present application is further described below with reference to fig. 2 by taking N as 3 as an example. Exemplary, fig. 2 shows a second networking architecture diagram provided in an embodiment of the present application. As shown in fig. 2, the network architecture includes a first baseband processing unit BBU 200, a second baseband processing unit BBU201, a plurality of remote radio units RRU, and an antenna. The first baseband processing unit BBU 200 may include a first master control board UMPT 202, a first baseband board UBBP 204 and a second baseband board UBBP 205, the second baseband processing unit BBU201 may include a second master control board UMPT 203 and a third baseband board UBBP 206, and the plurality of remote radio units RRU may include N first remote radio units RRU and N second remote radio units RRU.
For example, the model of the first baseband processing unit BBU 200 may be BBU3910, which has 11 slots in its frame. The first master control board UMPT 202 may be a single board of the type UMPTb1, and one first master control board UMPT 202 occupies one slot of the first baseband processing unit BBU 200; the first baseband board UBBP 204 and the second baseband board UBBP 205 may be single boards of type UBBPd 1. The first baseband processing unit BBU 200 may be provided with a plurality of baseband boards UBBP, for example the first baseband processing unit BBU 200 may be provided with two baseband boards UBBP of the type UBBPd 1. The first baseband board UBBP 204 and the second baseband board UBBP 205 occupy one slot of the first baseband processing unit BBU 200, respectively. The first baseband processing unit BBU may further include a FAN module (FAN) 207 and a universal power and environment interface module (universal power and environment interface unit, UPEU) 208, where the FAN 207 and UPEU 208 occupy one slot of the first baseband processing unit BBU 200, respectively. The distribution of the slots occupied by the first master control board UMPT 202, the first baseband board UBBP 204, the second baseband board UBBP 205, the FAN 207, and the UPEU 208 in the frame of the first baseband processing unit BBU 200 may be as shown in fig. 2. The two baseband boards UBBP may support different network formats, for example, the first baseband board UBBP 204 supports a 4G network of the first operator, and the second baseband board UBBP 205 supports a 3G network of the first operator, so as to implement 3G/4G network sharing of the first operator.
And, the model of the second baseband processing unit BBU201 may be BBU5900, and there are 11 slots in its frame. The second master control board UMPT 203 may be a single board of the type UMPTb9, and one second master control board UMPT 203 occupies one slot of the second baseband processing unit BBU 201; the third baseband board UBBP 206 may be a single board of type UBBPe 6. The second baseband processing unit BBU201 may be provided with a plurality of baseband boards UBBP, for example, the second baseband processing unit BBU201 may be provided with four baseband boards UBBP of UBBPe6 type, and the four baseband boards UBBP occupy four slots of the second baseband processing unit BBU 201. The second baseband processing unit BBU201 may further include a FAN 209 and a UPEU210, where the FAN 209 and the UPEU210 occupy one slot of the second baseband processing unit BBU201 respectively. The distribution of the slots occupied by the second master control board UMPT 203, the third baseband board UBBP 206, the FAN 209, and the UPEU210 in the frame of the second baseband processing unit BBU201 may be as shown in fig. 2. The third baseband board UBBP 206 may support a 4G network of the second operator, so as to implement signal coverage of the 4G network of the second operator.
And, the type of the remote radio unit RRU may be RRU5501. The remote radio unit RRU can support 3G frequency 1800MHz (1.8 GHz), 3G frequency 2100MHz (2.1 GHz), 4G frequency 1800MHz, 4G frequency 2100MHz and the like. For example, the first remote radio unit RRU may support a 4G system, and the second remote radio unit RRU may support a 3G system.
As shown in fig. 2, the first baseband board UBBP 204 is respectively connected to the first remote radio unit RRU211, the second first remote radio unit RRU 212, the third first remote radio unit RRU 213, and the third baseband board UBBP 206 is also respectively connected to the first remote radio unit RRU211, the second first remote radio unit RRU 212, and the third first remote radio unit RRU 213; the second baseband board UBBP 205 is connected to the first second remote radio unit RRU 214, the second remote radio unit RRU 215, and the third second remote radio unit RRU 216, respectively. Also, the first master UMPT 202 of the first baseband processing unit BBU 200 may be connected to the second master UMPT 203 of the second baseband processing unit BBU201 through a clock information (clock information, CI) interconnect. And the RRU is connected with the antenna.
It can be understood that there may be a plurality of baseband boards UBBP in the first baseband processing unit BBU 200, baseband boards UBBP in the second baseband processing unit BBU201, and remote radio units RRU, but in practical application, a part of the baseband boards UBBP may be used for standby, and no connection occurs. For example, four baseband boards UBBP in the second baseband processing unit BBU shown in fig. 2, three of which are used as standby, are not connected to the remote radio unit RRU; nine RRUs are provided, three RRUs are used for standby, and the RRUs are not connected with the first baseband board UBP or the second baseband board UBP; alternatively, the three remote radio units RRU may be connected to other baseband boards UBBP in use. For example, when the second baseband processing unit BBU includes a baseband board UBBP supporting CDMA800 frequencies, the baseband board may be connected to N remote radio units RRU supporting CDMA800 frequencies.
In the embodiment of the application, the baseband processing unit BBU supporting the 4G frequency of the first operator and the baseband processing unit BBU supporting the 4G frequency of the second operator are used for sharing the networking architecture of the sub-frame of the baseband processing unit BBU supporting the 3G frequency of the first operator, namely, the first baseband processing unit BBU and the second baseband processing unit BBU share the RRU supporting the 4G network system, so that the product interconnectivity is fully utilized, the RRU can simultaneously open the 3G/4G network of the first operator and the 4G network of the second operator, and therefore, on the basis of at least saving one set of RRU supporting the 4G frequency of the first operator and one set of BBU supporting the 4G frequency of the first operator and optical fiber resources, the 3G/4G network signal of the first operator and the 4G network of the second operator are shared and opened.
Optionally, the N first remote radio units RRU and the N second remote radio units RRU are connected to the antenna through a combiner.
In this embodiment, each remote radio unit RRU may be connected to an antenna through a combiner.
Fig. 3 is a schematic diagram illustrating connection between an RRU and an antenna according to an embodiment of the present application. As shown in fig. 3, the remote radio units RRU may, for example, have a remote radio unit RRU supporting an 800MHz frequency of the second operator, a remote radio unit RRU supporting a 4G frequency of the first operator and a 4G frequency of the second operator, a remote radio unit RRU supporting a 5G frequency of the second operator, and a remote radio unit RRU supporting a 5G frequency of the first operator, where the remote radio units RRU are connected to a combiner (point of interface, POI) of the second operator, and the combiner is connected to an antenna through a feeder, where the antenna may be 175 meters, for example.
In the embodiment of the application, the signals in multiple frequency bands are combined by the combiner and then sent to the antenna for transmission, so that the mutual influence among the signals in each path can be reduced as much as possible, and the feeder line resource is saved.
In an exemplary embodiment, when implementing network signal coverage of each operator, the first baseband processing unit BBU outputs a 3G carrier signal and a 4G carrier signal of the first operator, the second baseband processing unit BBU outputs a 4G carrier signal of the second operator, and after the 3G carrier signal and the 4G carrier signal of the first operator and the 4G carrier signal of the second operator enter the remote radio unit RRU, the network signal coverage of the first operator and the 4G network signal coverage of the second operator are performed by performing processing such as filtering, digital-to-analog conversion, protocol processing, mixing, radio frequency amplification, and the like, and then transmitting the network signal through an antenna.
The embodiment of the application also provides a base station, which comprises the networking architecture in the embodiment.
The base station in the embodiment of the utility model adopts the baseband processing unit BBU supporting the 4G frequency of the first operator and the baseband processing unit BBU supporting the 4G frequency of the second operator to share the frame, namely the first baseband processing unit BBU and the second baseband processing unit BBU share the RRU supporting the 4G network system, so that the frame structure of the common source common drain cable of different network systems fully utilizes the product interconnectivity, so that the RRU can simultaneously open the 3G/4G network of the first operator and the 4G network of the second operator, thereby at least saving a set of RRU supporting the 4G frequency of the first operator, and realizing the sharing and opening of the 3G/4G network of the first operator and the 4G network of the second operator on the basis of at least saving a set of RRU supporting the 4G frequency of the first operator and optical fiber resources.
Next, a description is given of an activation step of the base station in the embodiment of the present application.
Exemplary, the embodiment of the present application provides a base station opening step, which includes:
s1: the second baseband processing unit BBU of the second operator is started to generate a second network signal.
The second network signal may be, for example, a 4G carrier signal of the second operator.
In a possible implementation, the second baseband processing unit may be configured to provide a second network signal.
S2: the first baseband processing unit BBU of the first operator is started to generate a first network signal.
The first network signal may be, for example, a 3G carrier signal and a 4G carrier signal of the first operator.
In a possible implementation, the first baseband processing unit may be configured to provide the first network signal.
It should be noted that there is no sequence between the step S1 and the step S2.
S3: the first clock information interconnection serial port parameter is configured in a first baseband processing unit BBU of a first operator, and the second clock information interconnection serial port parameter is configured in a second baseband processing unit BBU of a second operator.
In a possible implementation, the first baseband processing unit BBU may further include a first configuration module, where the first configuration module may be configured to configure a first clock information interconnection serial port parameter; the second baseband processing unit BBU may further include a second configuration module, where the second configuration module may be configured to configure a second clock information interconnection serial port parameter.
In the embodiment of the application, the first baseband processing unit BBU of the first operator is started to generate the first network signal, the second baseband processing unit BBU of the second operator is started to generate the second network signal, clock information interconnection serial port parameters of the first baseband processing unit BBU and the second baseband processing unit BBU are respectively configured to start the base station, and meanwhile the sharing and opening of the first operator 3G/4G network of the base station and the 4G network of the second operator are realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The networking architecture is characterized by comprising a first baseband processing unit, a second baseband processing unit, an antenna and N first remote radio units; the first baseband processing unit is equipment of a first operator, the second baseband processing unit and the N first remote radio units are equipment of a second operator, and the N first remote radio units support a first network system;
the first baseband processing unit is connected with the N first remote radio units, and the second baseband processing unit is connected with the N first remote radio units;
the first baseband processing unit is connected with the second baseband processing unit;
the N first remote radio units are connected with the antenna.
2. The networking architecture of claim 1, wherein the first baseband processing unit comprises a first master control board, a first baseband board and a second baseband board, the second baseband processing unit comprises a second master control board and a third baseband board, the first baseband board and the third baseband board support the first network system, and the second baseband board supports a second network system;
the first baseband processing unit is connected with the N first remote radio units through the first baseband board, and the second baseband processing unit is connected with the N first remote radio units through the third baseband board;
the first baseband processing unit is connected with the second baseband processing unit through the first main control board and the second main control board.
3. The networking architecture of claim 2, further comprising N second remote radio units, the N second remote radio units supporting the second network system;
the first baseband processing unit is connected with the N second remote radio units through the second baseband board.
4. The networking architecture according to claim 3, wherein N is 3, the first baseband board is connected to a first remote radio unit, a second first remote radio unit and a third remote radio unit, and the first remote radio unit, the second first remote radio unit and the third remote radio unit are connected to the third baseband board, respectively;
the second baseband board is respectively connected with the first second remote radio unit, the second remote radio unit and the third second remote radio unit.
5. The networking architecture of claim 4, wherein the first master control board and the second master control board are connected by a clock information interconnect.
6. The networking architecture of claim 5, wherein the N first remote units and the N second remote units are connected to the antenna through a combiner.
7. The networking architecture of claim 6, wherein the first network format is a 4G format and the second network format is a 3G format.
8. The networking architecture of any one of claims 1-7, wherein the first baseband processing unit is configured to provide a first network signal and the second baseband processing unit is configured to provide a second network signal.
9. The networking architecture of claim 8, wherein the first baseband processing unit further comprises a first configuration module configured to configure a first clock information interconnect serial port parameter; the second baseband processing unit further comprises a second configuration module, and the second configuration module is used for configuring second clock information interconnection serial port parameters.
10. A base station, characterized in that it comprises a networking architecture according to any of claims 1-9.
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