WO2008154785A1 - Procédé et système de gestion de pool de ressources de bande de base pour un système gsm - Google Patents
Procédé et système de gestion de pool de ressources de bande de base pour un système gsm Download PDFInfo
- Publication number
- WO2008154785A1 WO2008154785A1 PCT/CN2007/003926 CN2007003926W WO2008154785A1 WO 2008154785 A1 WO2008154785 A1 WO 2008154785A1 CN 2007003926 W CN2007003926 W CN 2007003926W WO 2008154785 A1 WO2008154785 A1 WO 2008154785A1
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- WO
- WIPO (PCT)
- Prior art keywords
- baseband
- cell
- unit
- radio
- bcch
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/06—Hybrid resource partitioning, e.g. channel borrowing
- H04W16/08—Load shedding arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
Definitions
- the present invention relates to a resource management method and system for a digital mobile communication system, and more particularly to a baseband resource management method and system for a Global System for Mobile Communications (GSM) system.
- GSM Global System for Mobile Communications
- the typical architecture is to divide the base transceiver station BTS into two parts: BBU (Baseband Unit) + RRU (Remote Radio Unit) Unit).
- BBU Baseband Unit
- RRU Remote Radio Unit
- the BBU is composed of a baseband processing board (GBP), and multiple baseband resources are grouped together to form a baseband resource pool, which can be shared by multiple RRUs.
- the RRU provides signal radio frequency processing functions, and optical fibers are used between the two.
- GSM baseband processing board
- an example of a radio remote system applied to traffic scheduling In urban areas, business and life concentrated areas have significant characteristics of traffic migration. By dynamically sharing the baseband resource pool in the traffic-related area, only the resources that satisfy the total amount of busy and idle can be configured in the baseband part, which effectively reduces the cost of the operator's network construction.
- cell 1 has 8 carrier frequency traffic during working hours, and only 4 carrier frequency traffic during off-hours
- cell 2 has only 4 carrier frequency traffic during working hours, and 8 carrier frequencies during off-hours. Traffic.
- each BBU is equipped with 12 carrier frequency processing capabilities, 8 carrier frequencies of cell 1 and 4 carrier frequencies of cell 2 are processed during office hours, and 4 carrier frequencies of cell 1 and 8 cells of cell 2 are processed during off-hours. Carrier frequency.
- the technical problem to be solved by the present invention is to provide a method for managing a baseband resource pool suitable for a GSM system, combining static allocation and dynamic allocation of baseband resources, thereby solving the problem of low equipment utilization caused by traffic migration. It provides an implementation means for the application of radio frequency remote system in baseband resource management.
- the present invention provides a method for managing a baseband resource pool of a GSM system, which separately sets a baseband resource and a radio frequency resource in a GSM system, and each baseband unit in the baseband resource pool processes all of a carrier frequency.
- the baseband resource of the wireless channel comprising the following steps:
- each baseband unit in the baseband resource pool can be associated with any radio unit in the cell through the IQ switching channel.
- step (1) further includes: causing the call in the cell to preferentially occupy the BCCH radio unit and the BCCH baseband resource associated therewith.
- step (2) further includes:
- the radio frequency unit allocated according to the service requirement is configured to be associated with the baseband unit.
- the intra-cell handover method or other methods are used to concentrate the services in the cell to the radio unit with higher priority, and then the radio unit with low priority has been released and related.
- the step (2-b) is: when the radio unit in the cell is idle for a period of time due to the end of the call without re-calling, releasing the radio unit with the lower priority and the associated base that has been idled. Bring the association between resources.
- the BCCH switching step is further included: when a BCCH baseband unit allocated for the BCCH radio frequency on the GBP fails, an ordinary baseband unit is associated with the BCCH radio frequency by configuring an IQ switching channel as a BCCH baseband unit.
- step (1) is further:
- the present invention provides a management system for a baseband resource pool of a GSM system, wherein the system includes a baseband resource pool, a cell radio frequency device, an IQ switching channel, and a baseband resource pool management device;
- Each baseband unit in the baseband resource pool is a baseband resource for processing a carrier frequency radio channel;
- the cell radio frequency device includes a plurality of radio frequency units pre-assigned priorities according to service requirements;
- the baseband resource pool management device includes a static allocation unit and a dynamic allocation unit.
- the static allocation unit is coupled with the baseband resource pool and the IQ exchange channel, and is configured to pre-allocate the BCCH baseband unit in the baseband resource pool to the BCCH radio unit in the radio device of the cell. ;
- the dynamic allocation unit is respectively coupled to the baseband resource pool and the cell radio frequency device, and is configured to transmit a control command to the baseband resource pool and the IQ exchange channel according to the monitored baseband resource usage and the cell traffic volume in the baseband resource pool, so as to be based on the user call. Dynamically allocate baseband resources for radio frequency units in the radio device of the cell.
- each baseband unit in the baseband resource pool can be associated with any radio unit in the cell radio device through the IQ switching channel.
- the dynamic allocation unit further includes a baseband resource monitoring module, a cell traffic monitoring module, and a baseband allocation/release module.
- the baseband resource monitoring module is coupled to the baseband resource pool, and is configured to monitor the use of the baseband resource in the baseband resource pool. A quantity is transmitted to the baseband distribution/release module;
- the cell traffic monitoring module is coupled to the service processing module in the radio device of the cell, and configured to transmit the monitored cell traffic to the baseband allocation/release module;
- the baseband allocation/release module is coupled to the baseband resource pool and the IQ switching channel for controlling the dynamic configuration or release of baseband resources for the cell radio unit.
- the static allocating unit is further coupled to the service processing module in the cell radio frequency device, and configured to pre-configure baseband resources for other radio frequency units in the cell radio frequency device according to the average cell traffic.
- the baseband resource pool management apparatus further includes a fault monitoring unit coupled to the GBP board containing the BCCH baseband unit and the IQ switching channel in the baseband resource pool, respectively, for detecting a fault signal of the BCCH baseband unit according to the monitoring, And issuing a command to the IQ switching channel to control the IQ switching channel to perform BCCH switching.
- a fault monitoring unit coupled to the GBP board containing the BCCH baseband unit and the IQ switching channel in the baseband resource pool, respectively, for detecting a fault signal of the BCCH baseband unit according to the monitoring, And issuing a command to the IQ switching channel to control the IQ switching channel to perform BCCH switching.
- the method and system for managing the baseband resource pool of the GSM system provided by the present invention can conveniently implement the carrier frequency shift, thereby effectively configuring the baseband resources according to the traffic volume in the BBU management area.
- the invention configures the baseband resources according to the average traffic volume, and combines the advantages of the static allocation and the dynamic allocation. On the one hand, it can save part of the baseband resources, and on the other hand, can provide backup of the baseband resources, which improves the disaster tolerance capability of the GBP board.
- the management of baseband resources is also optimized.
- FIG. 1 is a structural block diagram of a GSM system baseband resource pool management system according to the present invention
- FIG. 2 is a flowchart of a GSM system baseband resource pool management method according to the present invention
- FIG. 3 is another GSM system baseband provided by the present invention. Flow chart of resource pool management method. Preferred embodiment of the invention
- the GSM system baseband resource pool management method and system provided by the present invention includes The mobile station measures the baseband resources of the signal strength and the identification of the cell identifier, etc., and then dynamically allocates the baseband resources one by one with the carrier frequency as the cell call is initiated and the service is gradually increased, and is gradually reduced as the cell service is gradually reduced.
- the frequency is united and the baseband resources are dried one by one.
- the baseband resources may be allocated in advance according to the average traffic volume, and combined with the advantages of static allocation and dynamic allocation, the mutual backup of the GBP board can be formed, and Improve the disaster tolerance of the GBP board and optimize the baseband resources.
- FIG. 1 is a structural block diagram of a baseband resource pool management system for a GSM system according to the present invention.
- the system includes a baseband resource pool 100 (referred to as a baseband pool, which is composed of four GBPP boards), a cell radio frequency device 200, and an IQ exchange channel 300.
- the baseband pool management device 400 (shown in the dashed box in FIG. 1).
- Each baseband unit (e.g., 101-108) in the baseband pool 100 represents baseband resources for processing a carrier frequency radio channel, and these baseband units are equal.
- the radio frequency unit (such as 201 ⁇ 204) included in the radio frequency device 200 of the cell pre-allocates the frequency information and the priority, and the priority is configured according to different service requirements. For example, the priority in FIG. 1 is gradually reduced from 0 to 3. .
- the baseband is configured according to the user's call, that is, in addition to the pre-allocation of the baseband resources of the BCCH, no configuration relationship is established between the baseband and the radio, but the baseband resources are allocated when initiated by the call.
- the minimum granularity of the BSC (Base Station Controller) configuration for the GBP board is based on a single carrier frequency, that is, the BSC (not shown in Figure 1) allocates a DSP on the GBP board (Digital Signal Process, Digital signal processing) to process the baseband portion of all radio channels on a carrier frequency.
- the baseband resources can be dynamically allocated in units of carrier frequencies.
- the radio frequency unit (except the BCCH radio unit) 202 ⁇ 204 in the radio frequency device 200 of the cell can be associated with any idle baseband unit in the baseband pool through the IQ exchange channel, as shown in FIG. As shown in connection with line 3, it is indicated that the radio frequency unit 201 can be associated with the baseband unit 102 at a certain time or associated with the baseband unit 106.
- the baseband pool management device 400 controlled by the BSC includes a static allocation unit 410 and a dynamic allocation unit 420.
- the static allocating unit 410 is coupled to the baseband pool 100 and the IQ switching channel 300 for pre-allocating the BCCH baseband unit 101 in the baseband pool to the BCCH radio unit 201 of the cell radio device 200.
- the dynamic allocation unit 420 includes a baseband resource monitoring module 421, small The area traffic monitoring module 422 and the baseband allocation/release module 423.
- the baseband resource monitoring module 421 is coupled to the baseband pool 100 for transmitting the baseband resource usage in the baseband pool to the baseband allocation/fronting module 423; the traffic in the cell traffic monitoring module 422 and the cell radio frequency device 200.
- a processing module (not shown) is coupled for transmitting the monitored cell traffic to the baseband allocation/release module 423; the baseband allocation/release module 423 is coupled to the baseband pool 100 and the IQ switching channel 300 for baseband resources
- the usage and cell traffic are used to dynamically allocate baseband resources to the cell radio unit.
- the static allocating unit 410 can be coupled with the service processing module in the cell radio frequency device 200 (not shown) in addition to the baseband pool 100 and the IQ switching channel 300, and is used to control the IQ according to the average cell traffic.
- the switching channel in addition to pre-allocating the BCCH baseband unit 101 in the baseband pool to the BCCH radio unit 201 of the cell radio device 200, pre-allocates and activates other radio frequency units and their baseband resources in the cell radio frequency device 200.
- the BCCH switching strategy can be formulated in consideration of the emergency measures when the BCCH baseband unit on the GBP board fails.
- the so-called BCCH switching means that when the BCCH baseband unit on the GBP board fails, the other baseband unit is used to replace the failed BCCH baseband unit. It is only necessary to reverse the two baseband units of the cell (the BCCH baseband allocated for the radio frequency 0 in FIG. 1 and any other common baseband) through the IQ switching channel.
- the other GBP boards are configured with common baseband units.
- a fault monitoring unit 430 may be further disposed in the baseband pool management apparatus 400, and coupled to the GBP board and the IQ exchange channel 300 including the BCCH baseband unit in the baseband pool, respectively, for monitoring the BCCH baseband unit.
- the fault signal sends a command to the IQ switching channel 300 to control the IQ switching channel for BCCH switching. This switching needs to be determined according to the specific cell plan.
- the method for implementing the baseband resource pool management of the GSM system by the baseband pool management device 400 is as shown in FIG. 2, and includes the following steps:
- Step 5 01 Pre-allocate and activate the BCCH radio and BCCH baseband resources in all cells, as shown by the connection 1 in Figure 1; and make the intra-cell calls preferentially occupy the intra-cell BCCH radio unit. And the BCCH baseband resources associated with it;
- Step 502 Monitor traffic in the cell and baseband resources allocated by the radio unit;
- Step 503 Determine whether there is a new channel request in the cell and whether the allocated baseband resources are all exhausted. If yes, go to step 504, if no, go to step 507;
- Step 504 Configure a baseband unit to be associated with the radio unit allocated according to the service requirement (the radio unit with the corresponding priority may be allocated according to the priority of the service), as shown by the connection 2 in FIG. 1;
- Step 505 determining whether there is a radio unit that has been idle for a period of time due to the end of the call without re-calling, if it is step 506, if not, return to step 502;
- Step 506 Unlink the radio unit with low priority that has been idled and the corresponding baseband resource, and return to step 502;
- Step 507 Determine whether the traffic in the cell is reduced to a certain extent (such as only 2 radios:), if step 508 is performed, step 506 is performed; if not, step 505 is performed;
- Step 508 Concentrate the service to the radio frequency unit with high priority and the baseband resource associated with it by the intra-cell handover method or other methods.
- the BCCH switching is implemented on different GBPs, that is, the switched BCCH radio unit and the BCCH baseband unit are connected by configuring the IQ switching channel.
- the baseband resources of this embodiment are dynamically allocated according to the user's call, that is, the dynamically allocated components are larger, and are suitable for those situations where higher baseband resource utilization is required.
- the baseband resources may be allocated in advance according to the average traffic volume, for example, in the station type of S444 (three 4 radio frequency cells), First, allocate S222 (three 2 radio frequency cells), that is, three cells with 4 radio frequency units controlled by a certain base station, and each cell only allocates baseband resources of two radio frequency units including BCCH radios in advance, including BCCH baseband resources. .
- the method for implementing the GSM system baseband resource pool management by the baseband pool management device 400 is as shown in FIG. 3, and includes the following steps:
- Step 600 Pre-allocate and activate two or more radio frequency units including a BCCH radio and a baseband resource according to the average traffic, and make the call in the cell preferentially occupy the BCCH radio frequency unit and its BCCH baseband resource;
- Step 601 When there is a new channel application, and the allocated BCCH baseband resources are all occupied, use the baseband resources associated with the radio unit that the application needs according to the service requirement;
- step 602 The following steps from step 602 are the same as steps 502 through 508.
- the method of the embodiment increases the static allocation component by avoiding the traffic of the initial dynamic allocation signaling caused by the large traffic volume, and combines the advantages of static allocation and dynamic allocation, thereby forming a GBP single board mutual backup scheme. Moreover, it improves the disaster tolerance of the GBP board and optimizes the baseband resources.
- the method and system for managing the baseband resource pool of the GSM system of the present invention can conveniently implement carrier frequency shifting, thereby effectively configuring baseband resources according to traffic volume in the BBU management area.
- the present invention can save part of the baseband resources, and on the other hand, can provide backup of the baseband resources, which improves the disaster tolerance capability of the GBP board and optimizes the management of the baseband resources.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800519026A CN101622820B (zh) | 2007-06-20 | 2007-12-29 | 全球移动通讯系统的基带资源池管理方法及系统 |
HK09112226.2A HK1133967A1 (en) | 2007-06-20 | 2009-12-29 | Baseband resources pool management method and system for gsm system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007101067808A CN101330711A (zh) | 2007-06-20 | 2007-06-20 | 全球移动通讯系统的基带资源池管理方法及系统 |
CN200710106780.8 | 2007-06-20 |
Publications (1)
Publication Number | Publication Date |
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WO2008154785A1 true WO2008154785A1 (fr) | 2008-12-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2007/003926 WO2008154785A1 (fr) | 2007-06-20 | 2007-12-29 | Procédé et système de gestion de pool de ressources de bande de base pour un système gsm |
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CN (2) | CN101330711A (zh) |
HK (1) | HK1133967A1 (zh) |
WO (1) | WO2008154785A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101815209B1 (ko) * | 2011-07-07 | 2018-01-05 | 에스케이텔레콤 주식회사 | 통신 장치 및 상기 통신 장치의 스케줄링 방법 |
Families Citing this family (17)
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CN102293030B (zh) * | 2009-01-20 | 2014-04-23 | 株式会社Ntt都科摩 | 无线基站、无线装置控制装置以及无线装置 |
CN101998441B (zh) * | 2009-08-31 | 2013-04-17 | 中国移动通信集团公司 | 一种动态协作的方法和系统、一种数据交换设备 |
CN102045892B (zh) * | 2009-10-20 | 2013-02-27 | 中兴通讯股份有限公司 | 一种基带池设备及其实现基带数据分布式交换的方法 |
CN102196445A (zh) * | 2010-03-05 | 2011-09-21 | 中国移动通信集团公司 | 移动通信中的载频分配方法及装置 |
CN102469482A (zh) * | 2010-11-12 | 2012-05-23 | 中兴通讯股份有限公司 | 一种广播控制信道信息倒换方法及系统 |
CN102469593B (zh) * | 2010-11-17 | 2014-12-24 | 中国移动通信集团江苏有限公司 | 基带池共享资源的分配方法和装置 |
CN102547724B (zh) * | 2010-12-17 | 2014-11-05 | 中国移动通信集团北京有限公司 | 无线网络资源动态分配的方法及载波池基站系统 |
CN103079208B (zh) * | 2011-10-25 | 2016-08-03 | 中兴通讯股份有限公司 | 一种基带资源动态共享的方法及装置 |
CN102413574A (zh) * | 2011-11-21 | 2012-04-11 | 中兴通讯股份有限公司 | 一种基带资源的自动分配方法及其装置 |
CN103379524B (zh) * | 2012-04-17 | 2016-12-14 | 南京中兴新软件有限责任公司 | 一种广播控制信道的倒换方法及装置 |
CN103517440A (zh) * | 2012-06-25 | 2014-01-15 | 中兴通讯股份有限公司 | 一种无线资源自适应分配方法及装置 |
CN103607266A (zh) * | 2013-11-28 | 2014-02-26 | 中国联合网络通信集团有限公司 | 一种信号发送的方法和设备 |
CN105474732B (zh) * | 2014-07-30 | 2019-04-12 | 华为技术有限公司 | 一种集中式基带池架构下的设备控制方法、设备和系统 |
US10278081B2 (en) * | 2014-09-30 | 2019-04-30 | Viavi Solutions Inc. | Methods and apparatus for self optimization and/or improvement of a cloud-based wireless network |
US9497760B2 (en) * | 2014-11-25 | 2016-11-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Allocating baseband resource capacity to cells based on baseband processing deadline margins |
JP7123079B2 (ja) * | 2017-02-23 | 2022-08-22 | ジョン メツァリングア アソシエイツ エルエルシー | 広範囲に分散した無線ネットワークにおいて容量を適応的に追跡および割り当てるシステムおよび方法 |
CN110798334B (zh) | 2018-08-03 | 2022-04-05 | 上海华为技术有限公司 | 一种带宽调度方法及装置 |
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US6956836B2 (en) * | 2001-05-17 | 2005-10-18 | Ericsson, Inc. | Asymmetric frequency allocation for packet channels in a wireless network |
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DE10036141B4 (de) * | 2000-07-25 | 2005-09-08 | Siemens Ag | Verfahren zur verbesserten Auswahl eines Kommunikationsnetzes für eine Station |
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2007
- 2007-06-20 CN CNA2007101067808A patent/CN101330711A/zh not_active Withdrawn
- 2007-12-29 WO PCT/CN2007/003926 patent/WO2008154785A1/zh active Application Filing
- 2007-12-29 CN CN2007800519026A patent/CN101622820B/zh active Active
-
2009
- 2009-12-29 HK HK09112226.2A patent/HK1133967A1/xx unknown
Patent Citations (2)
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CN1302164A (zh) * | 1999-12-30 | 2001-07-04 | 华为技术有限公司 | 移动通信系统基站基带处理中存储空间的分配方法 |
US6956836B2 (en) * | 2001-05-17 | 2005-10-18 | Ericsson, Inc. | Asymmetric frequency allocation for packet channels in a wireless network |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101815209B1 (ko) * | 2011-07-07 | 2018-01-05 | 에스케이텔레콤 주식회사 | 통신 장치 및 상기 통신 장치의 스케줄링 방법 |
Also Published As
Publication number | Publication date |
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CN101622820A (zh) | 2010-01-06 |
CN101622820B (zh) | 2011-07-13 |
HK1133967A1 (en) | 2010-04-09 |
CN101330711A (zh) | 2008-12-24 |
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