CN114630332A - Frequency spectrum sharing method and system for indoor passive system and active system same-frequency networking - Google Patents

Frequency spectrum sharing method and system for indoor passive system and active system same-frequency networking Download PDF

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Publication number
CN114630332A
CN114630332A CN202011442902.2A CN202011442902A CN114630332A CN 114630332 A CN114630332 A CN 114630332A CN 202011442902 A CN202011442902 A CN 202011442902A CN 114630332 A CN114630332 A CN 114630332A
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bandwidth
consumption information
passive
passive system
target
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陈兴
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Shanghai Huawei Technologies Co Ltd
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Shanghai Huawei Technologies Co Ltd
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Priority to PCT/CN2021/134938 priority patent/WO2022121759A1/en
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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
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

The application discloses a frequency spectrum sharing method and a frequency spectrum sharing system for indoor passive system and active system co-frequency networking. When a system accessed by user equipment in the same-frequency networking is a passive system, the passive system utilizes a first bandwidth and/or a shared bandwidth to process services accessed to the user equipment of the passive system; and when the system accessed by the user equipment in the same-frequency networking is an active system, the active system processes the service of the user equipment accessed to the active system by using the second bandwidth and/or the shared bandwidth. The services of the passive system are not limited to being implemented on the first bandwidth, nor are the services of the active system limited to being implemented on the second bandwidth. The spectrum resource sharing can be realized through the shared bandwidth configured in the target bandwidth, and the spectrum efficiency is improved. Under the condition that loads of a passive system and an active system are uneven or the loads are greatly changed, the communication experience of users can be guaranteed through bandwidth sharing.

Description

Frequency spectrum sharing method and system for indoor passive system and active system same-frequency networking
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a system for sharing frequency spectrums of a co-frequency networking of an indoor passive system and an active system.
Background
In the global scope, mobile communication has been rapidly developed and popularized, and a wireless network has covered most of areas, so that the requirements of people are met and the lives of people are enriched. Since most of the wireless base stations are deployed outdoors and are affected by the propagation capacity of wireless signals, the coverage effect of the wireless signals indoors is generally worse than outdoors, and the indoor environment is always the main place for user complaints.
The development of Mobile Broadband (MBB) services has driven a rapid rise in data service requirements. Data traffic tends to come more from indoor environments. With this trend, the problem of poor indoor coverage of wireless networks exacerbates the need for improving and increasing the quality and capacity of wireless networks in indoor environments. For large indoor scenes such as airports, gymnasiums and the like, on one hand, the acquisition of the site of the outdoor base station is difficult, and on the other hand, even if the outdoor base station is deployed, due to the large indoor building area, the complex environment, the multiple partitions and the like, the propagation attenuation of wireless signals is serious, and the mobile communication coverage and capacity requirements of the indoor scenes cannot be well met.
For pain spots with poor indoor coverage, operators have started to deploy indoor passive systems, such as Distributed Antenna Systems (DAS), in the 3G/4G era. A typical topology of a DAS is shown in fig. 1. Through continuous modification, the current DAS can generally support a 2.6GHz band, and therefore an operator having a New Radio (NR) of 2.6GHz or a band below 2.6GHz can directly feed in by using an NR Radio Remote Unit (RRU), so that the problem of indoor NR coverage is quickly solved, modification of a front end is not needed, and the cost is relatively low.
However, the traditional passive system has the problems of limited capacity and relatively poor experience, and cannot meet the capacity demand of some specific scenes or local areas. Mainstream cellular equipment manufacturers in the industry, such as Huawei, Zhongxing, Ericsson, etc., have introduced their active system solutions. The digital intermediate frequency or baseband signals are digitally pulled away through an optical fiber or an Ethernet cable, and wireless RF signals are transmitted and received after the digital processing is carried out at the active head end, so that the digital room division is realized. For example: hua is Lampsite, Zhongxing Qcell and Ericsson Radio Dot.
For some buildings where passive systems are built, direct feeding through the NR RRUs may already solve the NR coverage problem for the entire building. By superimposing active systems on local floors or local areas, the capacity problem of these local floors or local areas can be solved. FIG. 2 is a schematic diagram of a DAS superimposed with a digitizing room subsystem. However, the NR spectrum of the operator is relatively limited, which may cause the problem that the NR DAS and the superimposed NR digital room subsystem interfere with each other after being overlapped. In order to further solve the interference problem, the following two technical solutions can be adopted:
1. passive system and active system pilot frequency network deployment: for example, a 2.6GHz passive system and a 4.9GHz active system are networked overlappingly.
2. Fixed spectrum division: for example, a mobile 2.6GHz has a bandwidth of 160MHz, a passive system feed adopts the first 100MHz, and an active system built by superposition adopts the last 60 MHz. The frequency points of the passive system and the active system are staggered, and interference is avoided.
Although the two technical schemes can avoid interference between the passive system and the active system, the spectrum resources of the networking cannot be fully utilized, and the communication experience of the user is difficult to ensure under the scenes of uneven load or large load change of some passive systems and active systems.
Disclosure of Invention
The application provides a frequency spectrum sharing method and a frequency spectrum sharing system for indoor passive system and active system co-frequency networking, so that the frequency spectrum efficiency of the indoor passive system and the active system co-frequency networking is improved, and the communication experience of a user is improved.
The first aspect of the application provides a frequency spectrum sharing method for indoor passive system and active system same-frequency networking, wherein the passive system and the active system of the same-frequency networking both support a target frequency band; in a target bandwidth corresponding to the target frequency band, a first former bandwidth is configured as a private bandwidth of the passive system, a second later bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system; the method comprises the following steps:
when a system accessed by user equipment in the same-frequency networking is the passive system, the passive system utilizes the first bandwidth and/or the shared bandwidth to process services accessed to the user equipment of the passive system;
and when the system accessed by the user equipment in the same-frequency networking is the active system, the active system processes the service of the user equipment accessed to the active system by using the second bandwidth and/or the shared bandwidth.
Optionally, the above method further comprises:
the active system obtains first resource consumption information of the passive system on the target bandwidth;
and the passive system obtains second resource consumption information of the active system to the target bandwidth.
Optionally, the first consumption information of the resource of the target bandwidth by the passive system includes at least one of:
the passive system carries out first consumption information of the current resources of the target bandwidth, first consumption information of the historical resources of the target bandwidth, or first consumption information of the predicted resources of the target bandwidth; the resource first consumption information of the passive system for predicting the target bandwidth is obtained according to the resource first consumption information of the passive system for the target bandwidth history;
the second consumption information of the resources of the target bandwidth by the active system includes at least one of the following:
second consumption information of the current resources of the target bandwidth by the active system, second consumption information of historical resources of the target bandwidth by the active system, or second consumption information of predicted resources of the target bandwidth by the active system; and the second resource consumption information of the active system for predicting the target bandwidth is obtained by predicting according to the second resource consumption information of the active system for the history of the target bandwidth.
Optionally, the resource first consumption information includes: bandwidth occupancy; the resource second consumption information includes: bandwidth occupation.
Optionally, the bandwidth occupation amount in the first consumption information of the resource includes: bandwidth occupancy for the first bandwidth and bandwidth occupancy for the shared bandwidth; the bandwidth occupation amount in the second resource consumption information comprises: bandwidth utilization of the second bandwidth and bandwidth utilization of the shared bandwidth.
Optionally, the resource first consumption information further includes: the number of user equipment accessing the passive system; the resource second consumption information further includes: a number of user equipments accessing the active system.
Optionally, after the passive system obtains the resource second consumption information of the target bandwidth by the active system, the method further includes:
and the passive system configures the availability of the passive system for the shared bandwidth according to the first resource consumption information and/or the second resource consumption information.
Optionally, the configuring, by the passive system, the availability of the passive system for the shared bandwidth according to the first resource consumption information specifically includes:
when the bandwidth occupation amount of the passive system to the target bandwidth is smaller than or equal to a first threshold value, the passive system configures the passive system not to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the shared bandwidth to the first bandwidth;
when the bandwidth occupation amount of the passive system to the target bandwidth is larger than a second threshold value, the passive system configures the passive system to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the first bandwidth to the shared bandwidth; the second threshold value is greater than or equal to the first threshold value.
Optionally, after the active system obtains the resource first consumption information of the passive system for the target bandwidth, the method further includes:
and the active system configures the availability of the active system to the shared bandwidth according to the first resource consumption information and/or the second resource consumption information.
Optionally, the active system is configured with a higher frequency point camping priority than the passive system.
Optionally, the passive system comprises: a distributed antenna system DAS; the active system includes: a digital room subsystem.
Optionally, a sum of the first bandwidth and the shared bandwidth is greater than the second bandwidth.
Optionally, the first bandwidth is larger than the shared bandwidth, and the second bandwidth is larger than the shared bandwidth.
Optionally, the first bandwidth is equal to the second bandwidth.
A second aspect of the present application provides a same-frequency networking communication system, including: passive and active systems;
the passive system and the active system both support a target frequency band; in a target bandwidth corresponding to the target frequency band, a first former bandwidth is configured as a private bandwidth of the passive system, a second later bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system;
the passive system is used for processing the service of the user equipment accessed to the passive system by the first bandwidth and/or the shared bandwidth;
the active system is used for processing the service of the user equipment accessed to the active system at the second bandwidth and/or the shared bandwidth.
Optionally, the passive system is communicatively connected with the active system;
the active system is further used for obtaining resource first consumption information of the passive system on the target bandwidth;
the passive system is further configured to obtain resource second consumption information of the target bandwidth by the active system.
Optionally, the first consumption information of the resource of the target bandwidth by the passive system includes at least one of:
the passive system carries out first consumption information of the current resources of the target bandwidth, first consumption information of the historical resources of the target bandwidth, or first consumption information of the predicted resources of the target bandwidth; the first resource consumption information of the passive system for predicting the target bandwidth is obtained by predicting according to the first resource consumption information of the passive system for the target bandwidth history;
the second consumption information of the resources of the target bandwidth by the active system includes at least one of the following:
second consumption information of the current resources of the target bandwidth by the active system, second consumption information of historical resources of the target bandwidth by the active system, or second consumption information of predicted resources of the target bandwidth by the active system; and the second resource consumption information of the active system for predicting the target bandwidth is obtained by predicting according to the second resource consumption information of the active system for the history of the target bandwidth.
Optionally, the resource first consumption information includes: bandwidth occupancy; the resource second consumption information includes: bandwidth occupation.
Optionally, the resource first consumption information further includes: the number of user equipment accessing the passive system; the resource second consumption information further includes: a number of user equipments accessing the active system.
Optionally, the passive system is further configured to configure the availability of the passive system for the shared bandwidth according to the resource first consumption information and/or the resource second consumption information.
Optionally, the passive system is specifically configured to:
when the bandwidth occupation amount of the passive system to the target bandwidth is determined to be smaller than or equal to a first threshold value, configuring the passive system not to use the shared bandwidth, and/or scheduling the service of the passive system originally allocated to the shared bandwidth to the first bandwidth;
when the bandwidth occupation amount of the passive system to the target bandwidth is larger than a second threshold value, the passive system configures the passive system to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the first bandwidth to the shared bandwidth; the second threshold value is greater than or equal to the first threshold value.
Optionally, the active system is configured with a higher frequency point camping priority than the passive system.
Optionally, the passive system comprises: a distributed antenna system DAS; the active system includes: a digital room subsystem.
According to the technical scheme, the embodiment of the application has at least the following advantages:
the application provides a frequency spectrum sharing method for common-frequency networking of an indoor passive system and an active system and a common-frequency networking communication system. A passive system and an active system of the same-frequency networking support a target frequency band; in a target bandwidth corresponding to the target frequency band, the first bandwidth is configured as a private bandwidth of the passive system, the second bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system; the method comprises the following steps: when a system accessed by user equipment in the same-frequency networking is a passive system, the passive system utilizes a first bandwidth and/or a shared bandwidth to process services accessed to the user equipment of the passive system; and when the system accessed by the user equipment in the same-frequency networking is an active system, the active system processes the service of the user equipment accessed to the active system by using the second bandwidth and/or the shared bandwidth. In the technical solution provided by the present application, the service of the passive system is not limited to be implemented on the first bandwidth, and the service of the active system is not limited to be implemented on the second bandwidth. The spectrum resource sharing can be realized through the shared bandwidth configured in the target bandwidth, so that the spectrum efficiency is effectively improved. Under the condition that loads of a passive system and an active system are uneven or the loads are greatly changed, the communication experience of users can be guaranteed through bandwidth sharing.
Drawings
FIG. 1 is a diagram of a typical topology of a DAS;
FIG. 2 is a schematic diagram of a DAS in superimposition with a digitizing room subsystem;
fig. 3 is a schematic diagram of configuring a bandwidth for indoor passive system and active system co-frequency networking according to an embodiment of the present application;
fig. 4 is a flowchart of a frequency spectrum sharing method for co-frequency networking of an indoor passive system and an active system according to an embodiment of the present application;
fig. 5 is a flowchart of another spectrum sharing method for intra-indoor passive system and active system co-frequency networking according to an embodiment of the present application;
fig. 6 is a schematic diagram illustrating mutual resource consumption information between an active system and a passive system according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of bandwidths that can be used by the passive system and the active system, respectively, when the passive system is not available for sharing the bandwidth.
Detailed Description
Based on the foregoing, when the passive system and the active system are overlapped and networked, there is a problem of communication interference. In order to solve the problem, although the technical scheme of dividing staggered frequency points by fixed frequency spectrums in different-frequency networking or same-frequency networking is adopted, the interference problem can be solved to a certain extent, the frequency spectrum resources cannot be utilized to the maximum extent, and the waste of the frequency spectrum resources is caused. In addition, the two technical schemes are difficult to ensure the communication experience of users in the scene that the loads of the passive system and the active system are uneven or the load changes are large.
For example, a mobile 2.6GHz band has a 160MHz bandwidth, a passive system feed uses the first 100MHz, and an active system in a stacked configuration uses the last 60 MHz. In the unbalanced scenario, the active system is more heavily loaded and the passive system is less loaded, the last 60MHz of the 160MHz bandwidth is already insufficient for the active system, while the first 100MHz is more than enough for the passive system. At this time, due to the limitation of the latter 60MHz bandwidth, the service request of the user equipment accessing the active system has to be delayed to be processed, resulting in a degraded user experience. Furthermore, the load of passive systems as well as the load of active systems tends to vary over time. For example, the fixed spectrum division manner at time t1 can meet the respective requirements of the two systems, but at time t2, the load of the passive system decreases and the load of the active system increases sharply, which affects the communication experience of the user.
In order to solve the problems of low frequency spectrum efficiency and poor user communication experience, the inventor provides a frequency spectrum sharing method for common-frequency networking of an indoor passive system and an active system and a common-frequency networking communication system in the application through research. Specific implementations of the method and the communication system are described below with reference to embodiments and drawings, respectively.
The networking format of the passive system and the active system can be referred to fig. 2. Before introducing a spectrum sharing method for indoor passive system and active system co-frequency networking, first, bandwidth configuration in the embodiment of the present application is introduced and described.
In the embodiment of the application, both a passive system and an active system of the same-frequency networking support a target frequency band. In the target bandwidth corresponding to the target frequency band, the former first bandwidth is configured as the private bandwidth of the passive system, the latter second bandwidth is configured as the private bandwidth of the active system, and the bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as the shared bandwidth of the passive system and the active system.
As an example, the target frequency band is 2.6GHz, which corresponds to a target bandwidth from 2515MHz to 2675 MHz. Fig. 3 is a schematic diagram of configuring a bandwidth for intra-indoor passive system and active system co-frequency networking according to an embodiment of the present application. As shown in fig. 3, the first bandwidth is from 2515MHz to 2575 MHz; the shared bandwidth is from 2575MHz to 2615 MHz; the second bandwidth is from 2615MHz to 2675 MHz.
Of course, the frequency spectrum sharing method for the indoor passive system and the active system same-frequency networking provided by the embodiment of the application can also be applied to the same-frequency networking of other target frequency bands. For example, a target frequency band of 2.1 GHz. Fig. 3 is an example, and the target frequency band and the target bandwidth are not limited herein.
The number of channels of the active system is usually greater than or equal to the number of channels of the passive system. For example, a passive system employs 1T1R (indicating that the passive system includes 1 transmit channel and 1 receive channel), and an active system employs 4T4R (indicating that the active system includes 4 transmit channels and 4 receive channels). Generally, the strength of the signal transmitted and received by the active system is higher than that of the signal transmitted and received by the passive system. Compared with the aforementioned current fixed spectrum division scheme, the shared bandwidth is set on one side of the passive system (fixedly allocated 100MHz) in the example of fig. 3, and the private second bandwidth of 60MHz is included in the active system, so that the active system is guaranteed to have a more sufficient guaranteed bandwidth.
In the example of fig. 3, the first bandwidth is 60MHz, the shared bandwidth is 40MHz, and the second bandwidth is 60 MHz. The sum of the first bandwidth and the shared bandwidth is greater than the second bandwidth. The first bandwidth and the second bandwidth are both greater than the shared bandwidth. The first bandwidth is equal to the second bandwidth. The bandwidth configuration of fig. 3 is only an example, and the value is not a limitation on the bandwidth configuration. For example, the first bandwidth 50MHz, the shared bandwidth 50MHz, and the second bandwidth 60MHz may also be configured. The configuration schemes for the first bandwidth, the second bandwidth and the shared bandwidth may be set according to actual requirements.
The above describes the configuration of the target bandwidth. The spectrum sharing method is described below with reference to the drawings and the embodiments. Fig. 4 is a flowchart of a spectrum sharing method for co-frequency networking of an indoor passive system and an active system according to an embodiment of the present application. As shown in fig. 4, the method includes:
step 401: determining a system accessed by the user equipment in the same-frequency networking, and executing a step 402 when the system accessed by the user equipment in the same-frequency networking is determined to be the passive system; and when determining that the system accessed by the user equipment in the same-frequency networking is the active system, executing step 403.
In the technical scheme provided by the embodiment of the application, the same-frequency networking comprises the following steps: passive systems and active systems. As an example, a passive system may include a conventional DAS; the active systems may include digitizing room subsystems such as LampSite, zhongxing Qcell, ericsson Radio Dot, and the like. The specific composition of each of the passive system and the active system is not limited herein.
At the same time, a user equipment can access only one of the passive system and the active system, and the accessed system processes the service request sent by the user equipment. In a possible implementation manner of this step, the system to which the user equipment is connected may be determined by the user equipment. In another possible implementation manner, the system accessed by the user equipment can be determined through the same-frequency networking including the passive system and the active system.
Step 402: and the passive system processes the service accessed to the user equipment of the passive system by utilizing the first bandwidth and/or the shared bandwidth.
Since both the first bandwidth and the shared bandwidth are available to the passive system, if the system to which the user equipment accesses is a passive system, the passive system may allocate the traffic requested to be processed by the user equipment to the first bandwidth or the shared bandwidth by itself. In addition, in some implementation scenarios, if the amount of traffic requested to be processed by the user equipment is large, and the idle bandwidth remaining in the first bandwidth or the idle bandwidth remaining in the shared bandwidth is small, the passive system may also jointly process the traffic of the user equipment accessed to the passive system by using the first bandwidth and the shared bandwidth.
Step 403: and the active system processes the service accessed to the user equipment of the active system by utilizing the second bandwidth and/or the shared bandwidth.
Since both the second bandwidth and the shared bandwidth are available to the active system, if the system accessed by the user equipment is an active system, the active system can allocate the service requested to be processed by the user equipment to the second bandwidth or the shared bandwidth by itself. In addition, in some implementation scenarios, if the amount of traffic requested to be processed by the user equipment is large, and the idle bandwidth remaining in the second bandwidth or the idle bandwidth remaining in the shared bandwidth is small, the active system may also jointly process the traffic of the user equipment accessed to the active system by using the second bandwidth and the shared bandwidth.
The method for sharing frequency spectrums of indoor passive system and active system same-frequency networking provided by the embodiment of the application is described above. In the spectrum sharing method provided by the application, the services of the passive system are not limited to be realized on the first bandwidth, and the services of the active system are not limited to be realized on the second bandwidth. The spectrum resource sharing can be realized through the shared bandwidth configured in the target bandwidth, so that the spectrum efficiency is effectively improved. Under the condition that loads of a passive system and an active system are uneven or the loads are greatly changed, the communication experience of users can be guaranteed through bandwidth sharing.
In the technical solution provided in the embodiment of the present application, in consideration of the respective load change scenarios of the passive system and the active system, in order to maximize the utilization of spectrum resources in the load change scenario, the method for sharing the spectrum of the indoor passive system and the active system in the same-frequency networking further includes steps 404 and 406, as shown in fig. 5:
step 404: and the active system and the passive system mutually transmit the resource consumption information of the active system and the passive system to the target bandwidth.
Fig. 6 is a schematic diagram of mutually sending resource consumption information between an active system and a passive system according to an embodiment of the present application. For the sake of distinction, in the embodiment of the present application, the resource consumption information sent by the passive system is referred to as first resource consumption information, and the resource consumption information sent by the active system is referred to as second resource consumption information. Through the execution of the step, the active system and the passive system can mutually know the resource consumption details of the target bandwidth of the other side.
The resource consumption information may include: bandwidth occupation. The number of user devices may also be included.
For example, the first resource consumption information includes: the bandwidth occupation of the first bandwidth and the shared bandwidth in the target bandwidth by the passive system further comprises the number of user equipment accessed to the passive system. The larger the bandwidth occupation of the passive system on the target bandwidth is, the more tense the frequency spectrum resources of the passive system are; the smaller the bandwidth occupation of the passive system on the target bandwidth is, the more idle the spectrum resources of the passive system are. The second resource consumption information includes: the bandwidth occupancy of the active system for the second bandwidth and the shared bandwidth in the target bandwidth further comprises the number of user equipments accessing the active system. The larger the bandwidth occupation of the active system on the target bandwidth is, the more tense the frequency spectrum resources of the active system are; and the smaller the bandwidth occupation of the active system on the target bandwidth is, the more idle the spectrum resources of the active system are.
In one possible implementation, the operation of the active system and the passive system to send resource consumption information of the target bandwidth to each other may be performed periodically. For example, every 10 seconds, the active system sends the second resource consumption information to the passive system once; every 10 seconds, the passive system sends the first resource consumption information to the active system. The transmission period (or transmission frequency) of the resource consumption information can be set according to actual requirements, and in addition, the transmission period (or transmission frequency) can also be adjusted and changed.
In some possible implementations, the resource consumption information is not limited to the current resource consumption information, but may be historical resource consumption information or resource consumption information predicted from the historical resource consumption information. As an example, the historical resource consumption information may be actual resource consumption information in past 100 transmission cycles, and the predicted resource consumption information may be resource consumption information of a current transmission cycle predicted from the actual resource consumption information in past 100 transmission cycles.
The first consumption information of the resources of the target bandwidth by the passive system comprises at least one of the following information: the method comprises the steps that first consumption information of a passive system on current resources of a target bandwidth, first consumption information of the passive system on historical resources of the target bandwidth, or first consumption information of the passive system on predicted resources of the target bandwidth; the resource first consumption information of the passive system for predicting the target bandwidth is obtained according to the resource first consumption information of the passive system for history of the target bandwidth.
And the second consumption information of the resources of the target bandwidth by the active system comprises at least one of the following information: the active system carries out second consumption information of current resources of the target bandwidth, second consumption information of historical resources of the active system on the target bandwidth, or second consumption information of predicted resources of the active system on the target bandwidth; and the resource second consumption information of the active system for predicting the target bandwidth is obtained according to the resource second consumption information of the active system for predicting the target bandwidth history.
Taking the passive system as an example, if the second resource consumption information of the target bandwidth, which is received by the passive system, of the active system only includes the historical resource consumption information of the target bandwidth, the passive system may predict the active system according to the historical resource consumption information of the target bandwidth, and obtain the predicted resource consumption information of the target bandwidth of the active system. In addition, the resource consumption information predicted by the active system on the target bandwidth can be predicted by the active system and sent to the passive system.
Step 405: and the passive system configures the availability of the passive system to the shared bandwidth according to the resource consumption of the passive system to the target bandwidth and/or the resource consumption information of the active system to the target bandwidth.
Since the passive system knows the resource consumption of itself for the target bandwidth (i.e. the first resource consumption information) and obtains the second resource consumption information through step 404, the availability of itself for the shared bandwidth may be configured according to the first resource consumption information, according to the second resource consumption information, or in combination with the first resource consumption information and the second resource consumption information.
The following describes an implementation of the passive system configuring its availability of the shared bandwidth according to the first resource consumption information.
When the bandwidth occupation amount of the passive system on the target bandwidth is smaller than or equal to a first threshold value, the passive system indicates that the spectrum resources of the passive system are idle, and at the moment, the passive system can configure the shared bandwidth which is not available to the passive system. In this way, the shared bandwidth may be maximally used by the active system. Fig. 7 is a schematic diagram of bandwidths that can be used by the passive system and the active system, respectively, when the passive system is not available for sharing the bandwidth. As shown in fig. 7, at this time, the passive system may use only the first bandwidth of the target bandwidths, and the active system may use the entire shared bandwidth and the second bandwidth. Therefore, the service experience of the user of the active system is improved. When the bandwidth occupation amount of the passive system to the target bandwidth is greater than a second threshold (the second threshold is greater than or equal to the first threshold), it indicates that the spectrum resources of the passive system are in shortage, and at this time, the passive system may configure the shared bandwidth that the passive system can use, that is, allow the passive system to use the shared bandwidth. As such, a portion of the traffic that the passive system needs to handle may be implemented over a shared bandwidth.
The following also provides an implementation manner for configuring the availability of the passive system to the shared bandwidth according to the first resource consumption information and the second resource consumption information comprehensively.
For example, when the bandwidth occupation amount of the passive system on the target bandwidth is less than or equal to the first threshold, it is further required to determine whether the bandwidth occupation amount of the active system on the target bandwidth exceeds a third threshold, if so, the passive system may configure the shared bandwidth that is not available to the passive system, otherwise, the availability of the passive system on the shared bandwidth is not switched. When the occupation amount of the passive system on the target bandwidth is larger than the second threshold value, whether the occupation amount of the passive system on the target bandwidth is smaller than the fourth threshold value or not needs to be further judged, if yes, the passive system can configure the passive system to use the shared bandwidth, and otherwise, the availability of the passive system on the shared bandwidth is not switched.
In other possible implementation manners, the passive system may also configure its availability for the shared bandwidth according to the occupation of the spectrum resources by the passive system and the active system, respectively, in a future period of time.
For example, when it is predicted that the bandwidth occupation amount of the passive system on the target bandwidth is less than or equal to a first threshold value within a future period of time (the time length may be set according to actual requirements), and the bandwidth occupation amount of the active system on the target bandwidth exceeds a third threshold value, the passive system may configure the shared bandwidth that is not available to the passive system. When the occupation amount of the passive system on the target bandwidth is predicted to be larger than the second threshold value in a future period of time, and the occupation amount of the active system on the bandwidth of the target bandwidth is predicted to be smaller than the fourth threshold value, the passive system can configure the shared bandwidth to be used by the passive system.
The following provides an implementation manner for configuring the availability of the passive system to the shared bandwidth according to the second resource consumption information.
When the second resource consumption information indicates that the bandwidth occupation amount of the active system to the target bandwidth exceeds a fifth threshold value, the spectrum resource shortage of the active system is represented, and the passive system can configure that the passive system cannot be used for the shared bandwidth, so that the active system can use the shared bandwidth as much as possible. When the second resource consumption information indicates that the bandwidth occupation amount of the active system to the target bandwidth is lower than a sixth threshold (the sixth threshold is smaller than or equal to a fifth threshold), it indicates that the spectrum resources of the active system are relatively abundant, and the passive system does not need to give way to all shared bandwidths, so the passive system can configure itself to be available to the shared bandwidths.
It should be noted that specific values of the first threshold, the second threshold, the third threshold, the fourth threshold, the fifth threshold, and the sixth threshold may be set according to an actual scene and an actual requirement. The numerical values are not limited herein.
In addition to configuring the availability of shared bandwidth, the passive system can also improve the utilization rate of spectrum resources or reduce the bandwidth occupation of the shared bandwidth by allocating and scheduling services. For example, when the bandwidth occupation amount of the passive system on the target bandwidth is less than or equal to the first threshold, the passive system schedules a part of or all of the traffic of the passive system originally allocated to the shared bandwidth to the first bandwidth, and the saved shared bandwidth can be used by the active system to a greater extent. When the bandwidth occupation of the passive system on the target bandwidth is greater than the second threshold value, the passive system can also schedule the service originally allocated to a part of the passive system of the first bandwidth to the shared bandwidth.
Typically, active system configurations are always available for shared bandwidth given that the strength of the active system receive and transmit signals is stronger compared to the strength of the passive system receive and transmit signals. However, considering that the passive system may also have a load surge and need to handle a large amount of traffic, in this embodiment of the present application, the availability of the active system for the shared bandwidth is also freely configurable, as shown in step 406 below.
Step 406: and the active system configures the availability of the active system to the shared bandwidth according to the resource consumption of the active system to the target bandwidth and/or the resource consumption information of the passive system to the target bandwidth.
Similarly to the passive system in step 405, the active system may also configure its availability for the shared bandwidth according to the first resource consumption information, according to the second resource consumption information, or according to the first resource consumption information and the second resource consumption information in combination, on the premise that its resource consumption (i.e., the second resource consumption information) for the target bandwidth is known and the first resource consumption information is obtained through step 404. The relevant implementation manner of this step may refer to step 405, and is not described herein again. In addition, the active system may also reduce occupation of the shared bandwidth by scheduling traffic or share traffic to the shared bandwidth.
In the above embodiments, the passive system and the active system implement their own configuration of the shared bandwidth availability according to the resource consumption information sent by each other. In this way, under the situation that the loads of the passive system and the active system are uneven or the loads of the passive system and the active system are changed, the spectrum resources can be dynamically shared by configuring (or switching) the available or unavailable shared bandwidth. Therefore, the frequency spectrum resources are utilized to the maximum extent, and the frequency spectrum efficiency is improved.
In the above embodiments, the bandwidth occupation amount in the resource consumption information is used as a main basis for dynamically implementing spectrum resource sharing. Of course, in other implementations, the configuration decision on the availability of the shared bandwidth may also be implemented in combination with the number of user equipments accessing the passive system and/or the number of user equipments accessing the relevant system.
In order to reduce the consumption of the passive system user equipment on the frequency spectrum resources as much as possible, so that the user equipment of the active system can occupy the shared bandwidth more frequently, the higher frequency point residence priority of the active system can be configured, and the lower frequency point residence priority of the passive system can be configured. In this way, the ue can access the active system preferentially, and has an opportunity to experience the service on the shared bandwidth.
Based on the frequency spectrum sharing method for the indoor passive system and the active system with the same frequency networking provided by the embodiment, correspondingly, the application also provides a communication system with the same frequency networking. The layout of the communication system can be seen in fig. 2.
The same-frequency networking communication system provided by the embodiment of the application comprises the following components: passive systems and active systems. The passive system and the active system both support a target frequency band; in a target bandwidth corresponding to the target frequency band, the first bandwidth is configured as a private bandwidth of the passive system, the second bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system.
In the same-frequency networking communication system, a passive system is used for processing services accessed to user equipment of the passive system by using a first bandwidth and/or a shared bandwidth; in the same-frequency networking communication system, the active system is used for processing the service of the user equipment accessed to the active system by the second bandwidth and/or the shared bandwidth.
In the technical solution provided by the present application, the service of the passive system is not limited to be implemented on the first bandwidth, and the service of the active system is not limited to be implemented on the second bandwidth. The spectrum resource sharing can be realized through the shared bandwidth configured in the target bandwidth, so that the spectrum efficiency is effectively improved. Under the condition that loads of a passive system and an active system are uneven or the loads are greatly changed, the communication experience of users can be guaranteed through bandwidth sharing.
In the technical solution provided in the embodiment of the present application, in order to maximize the utilization of spectrum resources even in a load change scenario, in consideration of the respective load change scenarios of the passive system and the active system, optionally, in a same-frequency networking communication system, the passive system is in communication connection with the active system; the active system is also used for obtaining first resource consumption information of the passive system on the target bandwidth; the passive system is further configured to obtain resource second consumption information of the target bandwidth by the active system.
Optionally, the first consumption information of the resource of the target bandwidth by the passive system includes at least one of:
the method comprises the steps that a passive system carries out first consumption information on current resources of a target bandwidth, first consumption information on historical resources of the passive system on the target bandwidth, or first consumption information on predicted resources of the passive system on the target bandwidth; the resource first consumption information of the passive system for predicting the target bandwidth is obtained according to the resource first consumption information of the passive system for predicting the target bandwidth history;
and the second consumption information of the resources of the target bandwidth by the active system comprises at least one of the following information:
the active system carries out current resource second consumption information on the target bandwidth, historical resource second consumption information on the target bandwidth, or predicted resource second consumption information on the target bandwidth; and the resource second consumption information of the active system for predicting the target bandwidth is obtained according to the resource second consumption information of the active system for predicting the target bandwidth history.
Optionally, the resource first consumption information includes: bandwidth occupancy; the resource second consumption information includes: bandwidth occupation.
Optionally, the resource first consumption information further includes: the number of user equipment accessing to the passive system; the resource second consumption information further includes: the number of user equipments accessing the active system.
Optionally, the passive system is further configured to configure the availability of the passive system for the shared bandwidth according to the first consumption information of the resource and/or the second consumption information of the resource. Similarly, the active system is further configured to configure the availability of the passive system for the shared bandwidth in accordance with the resource first consumption information and/or the resource second consumption information.
Optionally, the passive system is specifically configured to:
when the bandwidth occupation amount of the passive system to the target bandwidth is determined to be smaller than or equal to a first threshold value, configuring the shared bandwidth which cannot be used by the passive system, and/or scheduling the service originally distributed to the passive system of the shared bandwidth to the first bandwidth;
when the bandwidth occupation amount of the passive system to the target bandwidth is larger than a second threshold value, the passive system configures the passive system to use the shared bandwidth, and/or dispatches the service originally distributed to the passive system with the first bandwidth to the shared bandwidth; the second threshold value is greater than or equal to the first threshold value.
Optionally, the number of transmit channels of the active system is greater than or equal to the number of transmit channels of the passive system; the number of receive channels of the active system is greater than or equal to the number of receive channels of the passive system.
Optionally, the active system is configured with a higher frequency camping priority than the passive system. In this way, the ue can access the active system preferentially, and has an opportunity to experience the service on the shared bandwidth.
Optionally, the passive system comprises: a distributed antenna system DAS; the active system includes: a digital room subsystem.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b and c may be single or plural.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (23)

1. A frequency spectrum sharing method for indoor passive system and active system same frequency networking is characterized in that the passive system and the active system of the same frequency networking both support a target frequency band; in a target bandwidth corresponding to the target frequency band, a first former bandwidth is configured as a private bandwidth of the passive system, a second later bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system; the method comprises the following steps:
when a system accessed by user equipment in the same-frequency networking is the passive system, the passive system utilizes the first bandwidth and/or the shared bandwidth to process the service of the user equipment accessed to the passive system;
and when the system accessed by the user equipment in the same-frequency networking is the active system, the active system processes the service of the user equipment accessed to the active system by using the second bandwidth and/or the shared bandwidth.
2. The method of claim 1, further comprising:
the active system obtains first resource consumption information of the passive system on the target bandwidth;
and the passive system obtains second resource consumption information of the active system to the target bandwidth.
3. The method of claim 2,
the first consumption information of the resources of the target bandwidth by the passive system comprises at least one of the following information:
the passive system carries out first consumption information of the current resources of the target bandwidth, first consumption information of the historical resources of the target bandwidth, or first consumption information of the predicted resources of the target bandwidth; the first resource consumption information of the passive system for predicting the target bandwidth is obtained by predicting according to the first resource consumption information of the passive system for the target bandwidth history;
the second consumption information of the resources of the target bandwidth by the active system includes at least one of the following:
second consumption information of the current resources of the target bandwidth by the active system, second consumption information of historical resources of the target bandwidth by the active system, or second consumption information of predicted resources of the target bandwidth by the active system; and the second resource consumption information of the active system for predicting the target bandwidth is obtained by predicting according to the second resource consumption information of the active system for the history of the target bandwidth.
4. The method of claim 2, wherein the resource first consumption information comprises: bandwidth occupancy; the resource second consumption information includes: bandwidth occupation.
5. The method of claim 4, wherein the bandwidth occupation of the first consumption information of the resource comprises: bandwidth occupancy for the first bandwidth and bandwidth occupancy for the shared bandwidth; the bandwidth occupation amount in the second resource consumption information comprises: bandwidth utilization of the second bandwidth and bandwidth utilization of the shared bandwidth.
6. The method of claim 4, wherein the resource first consumption information further comprises: the number of user equipment accessing the passive system; the resource second consumption information further includes: a number of user equipments accessing the active system.
7. The method of claim 4, wherein after the passive system obtains the resource second consumption information of the target bandwidth by the active system, the method further comprises:
and the passive system configures the availability of the passive system for the shared bandwidth according to the first resource consumption information and/or the second resource consumption information.
8. The method according to claim 7, wherein the configuring, by the passive system, the availability of the shared bandwidth by the passive system according to the first consumption information of the resource specifically includes:
when the bandwidth occupation amount of the passive system to the target bandwidth is smaller than or equal to a first threshold value, the passive system configures the passive system not to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the shared bandwidth to the first bandwidth;
when the bandwidth occupation amount of the passive system to the target bandwidth is larger than a second threshold value, the passive system configures the passive system to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the first bandwidth to the shared bandwidth; the second threshold value is greater than or equal to the first threshold value.
9. The method of claim 2, wherein after the active system obtains the resource first consumption information of the target bandwidth by the passive system, the method further comprises:
and the active system configures the availability of the active system to the shared bandwidth according to the first resource consumption information and/or the second resource consumption information.
10. The method according to any of claims 1-9, wherein the active system is configured with a higher frequency camping priority than the passive system.
11. The method of any of claims 1-10, wherein the passive system comprises: a distributed antenna system DAS; the active system includes: a digital room subsystem.
12. The method of any of claims 1-11, wherein a sum of the first bandwidth and the shared bandwidth is greater than the second bandwidth.
13. The method of any of claims 1-12, wherein the first bandwidth is greater than the shared bandwidth and the second bandwidth is greater than the shared bandwidth.
14. The method of any one of claims 1-13, wherein the first bandwidth is equal to the second bandwidth.
15. A same-frequency networking communication system, comprising: passive systems and active systems;
the passive system and the active system both support a target frequency band; in a target bandwidth corresponding to the target frequency band, a first former bandwidth is configured as a private bandwidth of the passive system, a second later bandwidth is configured as a private bandwidth of the active system, and a bandwidth between the first bandwidth and the second bandwidth in the target bandwidth is configured as a shared bandwidth of the passive system and the active system;
the passive system is used for processing the service of the user equipment accessed to the passive system in the first bandwidth and/or the shared bandwidth;
the active system is used for processing the service of the user equipment accessed to the active system at the second bandwidth and/or the shared bandwidth.
16. The same-frequency networking communication system of claim 15, wherein the passive system is in communication connection with the active system;
the active system is further used for obtaining resource first consumption information of the passive system on the target bandwidth;
the passive system is further configured to obtain resource second consumption information of the target bandwidth by the active system.
17. The same-frequency networking communication system of claim 16,
the first consumption information of the resources of the target bandwidth by the passive system comprises at least one of the following information:
the passive system carries out first consumption information of the current resources of the target bandwidth, first consumption information of the historical resources of the target bandwidth, or first consumption information of the predicted resources of the target bandwidth; the resource first consumption information of the passive system for predicting the target bandwidth is obtained according to the resource first consumption information of the passive system for the target bandwidth history;
the second consumption information of the resources of the target bandwidth by the active system includes at least one of the following:
second consumption information of the current resources of the target bandwidth by the active system, second consumption information of historical resources of the target bandwidth by the active system, or second consumption information of predicted resources of the target bandwidth by the active system; and the second resource consumption information of the active system for predicting the target bandwidth is obtained by predicting according to the second resource consumption information of the active system for the history of the target bandwidth.
18. The same-frequency networking communication system according to claim 16, wherein the resource first consumption information includes: bandwidth occupancy; the resource second consumption information includes: bandwidth occupation.
19. The same-frequency networking communication system according to claim 18, wherein the resource first consumption information further includes: the number of user equipment accessing the passive system; the resource second consumption information further includes: a number of user equipments accessing the active system.
20. The same-frequency networking communication system of claim 18,
the passive system is further configured to configure the availability of the passive system for the shared bandwidth according to the first consumption information of the resource and/or the second consumption information of the resource.
21. The same-frequency networking communication system according to claim 20, wherein the passive system is specifically configured to:
when the bandwidth occupation amount of the passive system to the target bandwidth is determined to be smaller than or equal to a first threshold value, configuring the passive system not to use the shared bandwidth, and/or scheduling the service of the passive system originally allocated to the shared bandwidth to the first bandwidth;
when the bandwidth occupation amount of the passive system to the target bandwidth is larger than a second threshold value, the passive system configures the passive system to use the shared bandwidth, and/or dispatches the service of the passive system originally allocated to the first bandwidth to the shared bandwidth; the second threshold value is greater than or equal to the first threshold value.
22. The same-frequency networking communication system of any one of claims 15-21, wherein the active system is configured with a higher frequency-point residence priority than the passive system.
23. The same-frequency networking communication system according to any one of claims 15 to 22, wherein the passive system comprises: a distributed antenna system DAS; the active system includes: a digital room subsystem.
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