CN103079208A - Base band resource dynamic sharing method and base band resource dynamic sharing device - Google Patents
Base band resource dynamic sharing method and base band resource dynamic sharing device Download PDFInfo
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Abstract
The invention discloses a base band resource dynamic sharing method, which comprises the following steps: distributing initial base band resources for carrier frequency of each cell; and identifying the cells needing to distribute or release the base band resources and carrier frequency according to the actual requirement condition of the base band resources of each cell; and distributing or releasing the identified base band resources of the carrier frequency. The invention also discloses a base band resource dynamic sharing device. With the adoption of the base band resource dynamic sharing method and the base band resource dynamic sharing device, the base band resources are shared between the cells; and the base band resources are distributed in each cell dynamically according to the actual requirement amount of each cell, so that the base band resources between cells can be utilized to a large extent, and the base band resources are saved.
Description
Technical Field
The present invention relates to a resource sharing technology in mobile communication, and in particular, to a method and an apparatus for dynamically sharing baseband resources in a base station system.
Background
In the field of wireless communication, communication devices are gradually developing in a distributed and modular direction, and especially, establishment of protocol organizations such as Common Public Radio Interface (CPRI) and active Open Base Station Architecture (OBSAI) enables a framework in which a Baseband Unit (BBU) and a Radio frequency Unit (RRU) are separated to be rapidly developed and applied. The so-called BBU and RRU separation architecture divides a Base Transceiver Station (BTS) into two parts: BBU and RRU; wherein, the BBU is composed of Baseband processing boards (BP, Baseband Process), and a plurality of Baseband resources are gathered together to form a Baseband resource pool; the RRU is used for providing a radio frequency processing function of signals; and the BBU and the RRU are connected by adopting optical fibers to form a radio remote unit architecture.
Currently, in the method for allocating baseband resources in the industry, the baseband resources and the radio frequency resources are statically allocated, and baseband processing devices correspond to radio frequency units one to one. In a practical network environment, the distribution of traffic over time is very unbalanced, and tidal traffic phenomena often occur between different cells and sites, as shown in fig. 1, users are gathered in a large number of areas where office areas 11 are located during working hours, such as: a Central Business area (CBD) and a large number of subscribers migrating to the residential area 12 after work, this causes a large traffic flow in the communication system, so that the maximum traffic of a cell is likely to be much larger than the average traffic.
The existing baseband resource allocation method is usually configured according to the maximum service capacity of a cell, but in practice, the service cannot reach the maximum service capacity most of the time, so that the baseband resources fixedly configured for the cell are wasted by some cell baseband resources in most of the time, and meanwhile, the other cells have insufficient baseband resources.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and an apparatus for dynamically sharing baseband resources, which can share the baseband resources among cells and dynamically allocate the baseband resources according to the actual demand of the baseband resources of each cell, so that the baseband resources among the cells can be utilized to the maximum extent, thereby saving the baseband resources.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for dynamically sharing baseband resources in a base station system, which comprises the following steps:
allocating initial baseband resources to the carrier frequency of each cell; determining the cells and carrier frequencies needing to be allocated or released with the baseband resources according to the actual demand condition of the baseband resources of each cell; and allocating or releasing the baseband resources of the determined carrier frequency for the cell.
In the foregoing solution, before allocating the initial baseband resource to the carrier frequency of each cell, the method further includes: and acquiring the priority of the carrier frequency of each cell, and distributing the baseband resource to the carrier frequency of each cell according to the acquired priority of the carrier frequency of each cell and a certain distribution rule.
In the above scheme, the method further comprises: setting a common distribution threshold and a common release threshold, and setting a cycle timer;
when the cycle timer is overtime and the demand condition of the cell baseband resource reaches the common distribution threshold, determining that the cell baseband resource needs to be distributed for the corresponding cell; and when the cycle timer is overtime and the requirement condition of the cell baseband resource reaches the common release threshold, determining that the baseband resource needs to be released for the corresponding cell.
In the above scheme, the method further comprises: setting an emergency distribution threshold and an emergency release threshold;
when the demand condition of the cell baseband resource reaches an emergency distribution threshold, determining that the corresponding cell needs to be emergently distributed with the baseband resource; and when the demand condition of the cell baseband resource reaches the emergency release threshold, determining that the baseband resource needs to be emergently released for the corresponding cell.
The invention also provides a device for dynamically sharing the baseband resources in the base station system, which comprises: the system comprises a resource module, a service module and an allocation module; wherein,
the resource module comprises all baseband resources required by the execution of the business process and is used for being distributed or released by the distribution module;
the service module is used for determining the cells and carrier frequencies which need to distribute or release the baseband resources according to the actual demand condition of the baseband resources of each cell, initiating a request to the distribution module and informing the distribution module of the cells and carrier frequencies which need to distribute or release the baseband resources;
the allocation module is used for allocating initial baseband resources to the carrier frequency of each cell; and after receiving the request of the service module, allocating or releasing the baseband resource of the determined carrier frequency for the cell.
In the above scheme, the service module is provided with a common allocation threshold, a common release threshold and a cycle timer; the service module is further configured to, when the cycle timer is overtime, request allocation or release of the required baseband resource for the corresponding cell if a requirement of the baseband resource of the cell reaches a normal allocation threshold or a normal release threshold.
In the above scheme, an emergency allocation threshold and an emergency release threshold are set in the service module; the service module is further configured to request the baseband resource required for emergency allocation or emergency release for the corresponding cell when the requirement of the baseband resource of the cell reaches an emergency allocation threshold or an emergency release threshold.
In the above scheme, the resource module is further configured to notify the allocation module of a result of whether the baseband resource is successfully allocated or released when the baseband resource is allocated or released.
In the above scheme, the allocation module is further configured to obtain a priority of the carrier frequency of each cell, and allocate the baseband resource to the carrier frequency of each cell according to the obtained priority of the carrier frequency of each cell and a certain allocation rule.
The method and the device for dynamically sharing the baseband resources introduce the concept of a dynamic baseband resource pool, do not adopt the mode of fixedly distributing the baseband resources bearing the maximum service capacity for each cell in the prior art, but dynamically configure the corresponding baseband resources according to the actual requirement of the service volume of each cell, and dynamically share the baseband resources among the cells so as to realize the maximization of the utilization of the baseband resources among the cells, thereby solving the problem that the baseband resources of other cells are insufficient while the baseband resources of some cells are wasted; and, cost can be saved.
In addition, when the baseband processing board has a fault, the baseband resources can be dynamically allocated through the baseband pool, the normal baseband resources are allocated to the cell corresponding to the fault baseband processing board, and the fault baseband processing board is taken out of service, so that the base station system has good fault tolerance.
Drawings
FIG. 1 is a schematic illustration of tidal traffic phenomena;
FIG. 2 is a schematic diagram of a process for implementing a dynamic sharing method of baseband resources according to the present invention;
FIG. 3 is a schematic diagram of the structure of the baseband resource sharing apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of an application environment of a method for dynamically sharing baseband resources according to an embodiment of the present invention;
fig. 5 is a schematic view of an implementation flow of a method for dynamically sharing baseband resources according to an embodiment of the present invention.
Detailed Description
The basic idea of the invention is: and introducing a dynamic baseband resource pool, and dynamically configuring corresponding baseband resources according to the actual requirement of the service volume of each cell so as to dynamically share the baseband resources among the cells.
Fig. 2 shows an implementation flow of the baseband resource dynamic sharing method of the present invention, and as shown in fig. 2, the method includes the following steps:
step 201: allocating initial baseband resources to the carrier frequency of each cell;
here, the allocating the initial baseband resource may be allocating the initial baseband resource to the carrier frequency carrying the maximum traffic in the existing manner; or allocating initial baseband resources to the preset carrier frequency not less than the minimum carrying traffic. For example, assuming that the maximum traffic of the cell a needs 20 carrier frequencies and the minimum traffic needs 6 carrier frequencies, the initial baseband resources may be allocated to all 20 carrier frequencies, or the initial baseband resources may be allocated to carrier frequencies greater than or equal to 6 and preset, for example: initial baseband resources are allocated for 10 carrier frequencies.
In this step, the baseband resources can be allocated according to the different priorities of the carrier frequencies of the cells and a certain allocation rule; specifically, the priority of each cell carrier frequency is obtained first, and then the baseband resource is distributed to the carrier frequency of each cell according to the obtained priority of each cell carrier frequency and a certain distribution rule; wherein each cell comprises more than two cells; the certain allocation rule may be cell polling, cell preference, etc.
Step 202: determining the cells and carrier frequencies needing to be allocated or released with the baseband resources according to the actual demand condition of the baseband resources of each cell;
here, the actual demand condition of the baseband resource of each cell may be obtained based on a cell traffic statistical method or a channel occupation method, but is not limited to the above two methods.
For example, in the actual application of the Global System For mobile communications (GSM), the BTS may detect the current traffic or channel occupancy of each cell in real time and report the current traffic or channel occupancy to a Base Station Controller (BSC), and the BSC counts the current baseband resource demand of each cell according to the traffic or channel occupancy, and determines and requests the BTS to allocate or release the carrier frequency of the baseband resource according to the baseband resource demand of each cell. Such as: during initial allocation, 10 carrier frequency baseband resources are allocated to an office area and a residential area respectively, and statistics confirms that only 6 carrier frequencies are needed in the current office area and 14 carrier frequencies are needed in the residential area, so that the BSC informs the BTS to release the 4 carrier frequency baseband resources allocated to the cell corresponding to the office area, and then allocates the 4 carrier frequency baseband resources released by the office area to the 4 carrier frequencies corresponding to the residential area.
In this step, in order to prevent the problem of repeatedly requesting allocation or releasing baseband resources, that is: avoid taking place ping-pong phenomenon, can set up two thresholds in advance: a normal allocation threshold and a normal release threshold; specifically, a circulation timer can be set while setting a common allocation threshold and a common release threshold, and then when the circulation timer is overtime and the requirement condition of the cell baseband resource reaches the common allocation threshold, it is determined that the cell baseband resource needs to be allocated to the corresponding cell; when the cycle timer is overtime and the requirement condition of the cell baseband resource reaches the common release threshold, determining that the baseband resource needs to be released for the corresponding cell; in this way, frequent allocation and release of baseband resources can be avoided when temporary traffic fluctuations occur.
Further, after the baseband resources are allocated or released, the cycle timer is reset.
In addition, considering that the peak value of the traffic volume or the channel occupancy may be raised or lowered due to some special situations, another two thresholds may be set: an emergency allocation threshold and an emergency release threshold; further, when the demand condition of the cell baseband resource reaches an emergency distribution threshold, determining that the corresponding cell needs to be emergently distributed with the baseband resource; and when the demand condition of the cell baseband resource reaches the emergency release threshold, determining that the baseband resource needs to be emergently released for the corresponding cell.
Generally, the emergency allocation threshold is greater than the normal allocation threshold; the emergency release threshold is greater than the normal release threshold.
Step 203: allocating or releasing the baseband resource of the determined carrier frequency for the cell;
here, the cell is the cell that needs to allocate or release the baseband resource determined in step 202.
In order to implement the above method, the present invention further provides a device for dynamically sharing baseband resources, as shown in fig. 3, the device includes: a resource module 31, a traffic module 32 and an allocation module 33; wherein,
a resource module 31, which includes all baseband resources required for executing the service flow, is equivalent to a dynamic baseband resource pool, and is used for being allocated or released by the allocation module 33;
the service module 32 is configured to determine a cell and a carrier frequency that need to allocate or release the baseband resource according to an actual demand condition of the baseband resource of each cell, initiate a request to the allocation module 33, and notify the allocation module 33 of the cell and the carrier frequency that need to allocate or release the baseband resource;
here, when it is determined that the cell requires the baseband resource, a request for allocating the baseband resource is initiated to the allocating module 33; when the cell does not need the baseband resource, a request for releasing the baseband resource is initiated to the allocation module 33; the requests all carry the cells and carrier frequencies to be allocated or released baseband resources.
In practical applications, in order to avoid frequently requesting allocation or release of baseband resources, a common allocation threshold, a common release threshold, and a cycle timer may be set in the service module 32; the service module 32 is further configured to, when the cycle timer is overtime, request allocation or release of the required baseband resource for the corresponding cell if a requirement of the baseband resource of the cell reaches a normal allocation threshold or a normal release threshold.
In order to prevent the peak value of the traffic volume or the channel occupancy from rising or falling suddenly, another two thresholds may be set in the service module 32: an emergency allocation threshold and an emergency release threshold; correspondingly, the service module 32 is further configured to request for emergency allocation of the required baseband resource for the corresponding cell when the requirement of the baseband resource of the cell reaches the emergency allocation threshold; and when the demand condition of the cell baseband resources reaches the emergency release threshold, requesting the baseband resources required by the emergency release of the corresponding cell.
The allocating module 33 is configured to allocate initial baseband resources to carrier frequencies of each cell; after receiving the request of the service module 32, allocating or releasing the baseband resource of the determined carrier frequency for the cell; the cell is a cell determined by the service module 32 to need to allocate or release the baseband resource.
Further, the resource module 31 is further configured to notify the allocation module 33 of a result of whether the baseband resource is successfully allocated or released when the baseband resource is allocated or released;
further, the resource module 31 is further configured to report a change of the baseband resource to the service module 32 when the baseband resource is allocated or released successfully.
Further, the allocating module 33 is further configured to obtain the priority of the carrier frequency of each cell, and allocate the baseband resource to the carrier frequency of each cell according to the obtained priority of the carrier frequency of each cell and a certain allocation rule.
Fig. 4 and fig. 5 respectively show an application environment composition mechanism and an implementation flow of an embodiment of the present invention, which is implemented based on a GSM system.
As shown in fig. 4, the GSM system includes a BTS 402 and a BSC 401, the BTS 402 further includes a BBU and an RRU, in this embodiment, the service module is implemented by the BSC 401, and the allocation module and the resource module are implemented by the BTS 402.
Specifically, the BSC 401 is configured to determine, according to an actual demand condition of baseband resources of each cell, a cell and a carrier frequency that need to allocate or release the baseband resources, initiate a request for allocating or releasing the baseband resources to the BTS 402, and notify the BTS 402 of the cell and the carrier frequency that need to allocate or release the baseband resources;
the actual demand condition refers to statistics of cell traffic volume or statistics of channel occupation.
The BTS 402 is configured to allocate initial baseband resources to carrier frequencies of each cell; after receiving the request of the BSC 401, allocating or releasing the baseband resource of the determined carrier frequency to the cell requiring the baseband resource; and detecting the current telephone traffic or channel occupation of each cell and reporting to the BSC 401.
Further, the BTS 402 reports the result of whether the allocation or release was successful to the BSC 401.
In this embodiment, after the baseband resources are dynamically shared, the baseband resources can be shared among different RRU sites in different cells under the same BTS site.
In practical application, the function of dynamically sharing baseband resources can be realized by a software module, wherein one part of the software module belongs to a BBU software system, and the other part belongs to a BSC software system, that is, one part is realized in a BBU of a BTS, and the other part is realized in a BSC; the software modules may also all belong to the BBU software system, that is, all be implemented in the BBU of the BTS.
As shown in fig. 5, the implementation procedure of the baseband resource dynamic sharing method in this embodiment includes the following steps:
step 501: before initially distributing baseband resources, acquiring carrier frequency priority of each cell;
here, there may be two or more cells.
Step 502: allocating initial baseband resources to the carrier frequencies of each cell according to the acquired carrier frequency priority and a certain preset rule;
here, initial baseband resources may be allocated to the carrier frequency carrying the maximum traffic volume in each cell; initial baseband resources may also be allocated for carrier frequencies not less than the minimum requirement for each cell.
Step 503-510: and counting the demand condition of the current baseband resource of each cell, and determining whether the baseband resource needs to be allocated or released for the cell according to a set threshold value and a cycle timer.
The cycle timer is only used for a common allocation threshold and a common release threshold so as to determine whether the baseband resources need to be allocated or released when the cycle timer is up; the emergency allocation threshold and the emergency release threshold are specially set for the emergency or the emergency, so the method is not limited by the cycle timer, namely: regardless of the cycle timer setting.
Specifically, a cycle timer, a normal allocation threshold, a normal release threshold, an emergency allocation threshold, and an emergency release threshold may be preset. Of course, in practical application, only one of the normal allocation threshold and the normal release threshold, the emergency allocation threshold and the emergency release threshold, or both of them may be set according to the requirement; and when setting the normal allocation threshold and the normal release threshold, setting the cycle timer at the same time.
The demand situation of the current baseband resource of each cell may be counted based on the algorithm of the traffic of the cell, such as: calculating the Traffic volume through the occupied time/(available TCH number 900) of Traffic Channels (TCH); statistics can also be performed by using channel occupation methods, such as: the ratio of the number of occupied TCHs to the number of available TCHs within 15 minutes, but is not limited to the above two statistical methods.
The step of specifically determining whether the baseband resource needs to be allocated or released includes:
aiming at the common allocation threshold and the common release threshold, because the cycle timer is arranged at the same time, the subsequent operation is carried out according to whether the cycle timer is overtime or not, if the cycle timer is overtime, whether the demand condition of the baseband resource reaches the common allocation threshold or not and whether the demand condition of the baseband resource reaches the common release threshold or not are respectively judged, and if the demand condition of the baseband resource reaches the common allocation threshold, the needed baseband resource is allocated to the carrier frequency of the corresponding cell; and if the common release threshold is reached, releasing the needed baseband resource for the carrier frequency of the corresponding cell. If the cycle timer is not overtime, continuing to wait for the cycle timer to be overtime; if the cycle timer is overtime and does not reach any threshold value, no processing is performed.
Aiming at the emergency allocation threshold and the emergency release threshold, a cycle timer is not needed to be considered, namely, no matter whether the cycle timer is set or not, and no matter whether the set cycle timer is overtime or not, after the step 503 is executed, the steps 505 and 506 are directly executed, whether the emergency allocation threshold is reached or not and whether the emergency release threshold is reached or not are respectively judged, and if the emergency allocation threshold is reached, required baseband resources are allocated to the carrier frequency of the corresponding cell; and if the emergency release threshold is reached, releasing the required baseband resource for the carrier frequency of the corresponding cell.
In practical application, one or more of the four threshold values can be judged according to actual needs, and the judgment can be performed sequentially or simultaneously.
Further, when it is determined that the base band resources need to be allocated for the cell, it is also determined whether sufficient base band resources are available for allocation in the dynamic base band resource pool, and if sufficient idle base band resources are available, the corresponding base band resources are directly allocated; if not, whether the baseband resources reaching the emergency release threshold exist or not can be judged, if yes, the baseband resources reaching the emergency release threshold are released firstly, then the released baseband resources are distributed to the required cell, and if not, a message that the baseband resources cannot be distributed is returned to the cell.
By adopting the invention, the baseband resources can be dynamically shared, and the baseband resources can be utilized to the maximum extent. In particular, for the tidal traffic phenomenon of traffic imbalance in time distribution, which is prevalent in cities, the following are: the telephone traffic of the office area is concentrated during the working hours, and the situation that the telephone traffic of the office area is low and the telephone traffic of the residential area rises after work can be well solved. Assuming that the office area and the residential area need to configure 18 carrier frequency baseband resources at maximum and need to configure 6 carrier frequency baseband resources at minimum, then, if the scheme in the prior art is adopted, both areas need to configure corresponding baseband resources according to the carrier frequency with the maximum requirement, that is: the two regions are respectively configured with 18 carrier frequency baseband resources, and the total number of the 36 carrier frequency baseband resources is; by adopting the dynamic sharing scheme of the baseband resources, the configuration of the carrier frequency baseband resources of the two regions can be the sum of the maximum values of the carrier frequency baseband resources required by the two regions at the same time, which can be: the office area is configured with 18 carrier frequency baseband resources at working time, and the residential area is configured with 6 carrier frequency baseband resources; after work, the office area configures the baseband resource of 6 carrier frequencies, and the residential area configures the baseband resource of 18 carrier frequencies; namely: baseband resources of 24 carrier frequencies need to be configured. Obviously, the base band resource of 12 carrier frequencies is saved, and the cost is greatly reduced; and, the baseband resource of 24 carrier frequencies is maximally utilized.
The above description is only for the purpose of illustrating and explaining the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, which can be used or utilized by any person skilled in the art. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A method for dynamically sharing baseband resources in a base station system is characterized in that the method comprises the following steps:
allocating initial baseband resources to the carrier frequency of each cell;
determining the cells and carrier frequencies needing to be allocated or released with the baseband resources according to the actual demand condition of the baseband resources of each cell;
and allocating or releasing the baseband resources of the determined carrier frequency for the cell.
2. The method of claim 1, wherein before allocating the initial baseband resource for the carrier frequency of each cell, the method further comprises: and acquiring the priority of the carrier frequency of each cell, and distributing the baseband resource to the carrier frequency of each cell according to the acquired priority of the carrier frequency of each cell and a certain distribution rule.
3. The method of claim 1, further comprising: setting a common distribution threshold and a common release threshold, and setting a cycle timer;
when the cycle timer is overtime and the demand condition of the cell baseband resource reaches the common distribution threshold, determining that the cell baseband resource needs to be distributed for the corresponding cell; and when the cycle timer is overtime and the requirement condition of the cell baseband resource reaches the common release threshold, determining that the baseband resource needs to be released for the corresponding cell.
4. A method according to claim 1 or 3, characterized in that the method further comprises: setting an emergency distribution threshold and an emergency release threshold;
when the demand condition of the cell baseband resource reaches an emergency distribution threshold, determining that the corresponding cell needs to be emergently distributed with the baseband resource; and when the demand condition of the cell baseband resource reaches the emergency release threshold, determining that the baseband resource needs to be emergently released for the corresponding cell.
5. An apparatus for dynamically sharing baseband resources in a base station system, the apparatus comprising: the system comprises a resource module, a service module and an allocation module; wherein,
the resource module comprises all baseband resources required by the execution of the business process and is used for being distributed or released by the distribution module;
the service module is used for determining the cells and carrier frequencies which need to distribute or release the baseband resources according to the actual demand condition of the baseband resources of each cell, initiating a request to the distribution module and informing the distribution module of the cells and carrier frequencies which need to distribute or release the baseband resources;
the allocation module is used for allocating initial baseband resources to the carrier frequency of each cell; and after receiving the request of the service module, allocating or releasing the baseband resource of the determined carrier frequency for the cell.
6. The apparatus of claim 5, wherein a normal allocation threshold, a normal release threshold, and a cycle timer are set in the service module;
the service module is further configured to, when the cycle timer is overtime, request allocation or release of the required baseband resource for the corresponding cell if a requirement of the baseband resource of the cell reaches a normal allocation threshold or a normal release threshold.
7. The apparatus of claim 5, wherein an emergency allocation threshold and an emergency release threshold are set in the service module;
the service module is further configured to request the baseband resource required for emergency allocation or emergency release for the corresponding cell when the requirement of the baseband resource of the cell reaches an emergency allocation threshold or an emergency release threshold.
8. The apparatus of claim 5, 6 or 7, wherein the resource module is further configured to notify the allocation module of a result of success of allocation or release of the baseband resource when the baseband resource is allocated or released.
9. The apparatus of claim 5, 6 or 7, wherein the allocating module is further configured to obtain a priority of carrier frequencies of each cell, and allocate baseband resources to the carrier frequencies of each cell according to the obtained priority of the carrier frequencies of each cell and a certain allocation rule.
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| PCT/CN2012/077804 WO2013060159A1 (en) | 2011-10-25 | 2012-06-28 | Baseband resource dynamic sharing method and device |
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| CN103796224B (en) * | 2014-02-20 | 2017-08-25 | 大唐移动通信设备有限公司 | A kind of method of base station equipment carrier adaptive allotment and a kind of base station |
| WO2016015259A1 (en) * | 2014-07-30 | 2016-02-04 | 华为技术有限公司 | Device control method, device and system under centralized baseband pool architecture |
| CN105474732A (en) * | 2014-07-30 | 2016-04-06 | 华为技术有限公司 | Device control method, device and system under centralized baseband pool architecture |
| CN105474732B (en) * | 2014-07-30 | 2019-04-12 | 华为技术有限公司 | Apparatus control method, equipment and system under a kind of centralization baseband pool framework |
| CN106921981A (en) * | 2015-12-28 | 2017-07-04 | 中兴通讯股份有限公司 | A kind of method for managing resource, the apparatus and system of indoor distributed antenna system |
| CN109348511A (en) * | 2018-11-30 | 2019-02-15 | 中国联合网络通信集团有限公司 | A kind of distribution method and device of base-band resource |
| CN109348511B (en) * | 2018-11-30 | 2021-11-19 | 中国联合网络通信集团有限公司 | Method and device for allocating baseband resources |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013060159A1 (en) | 2013-05-02 |
| CN103079208B (en) | 2016-08-03 |
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