WO2011098028A1 - Procédé de distribution de canaux, appareil associé et dispositif de commande de station de base - Google Patents

Procédé de distribution de canaux, appareil associé et dispositif de commande de station de base Download PDF

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Publication number
WO2011098028A1
WO2011098028A1 PCT/CN2011/070872 CN2011070872W WO2011098028A1 WO 2011098028 A1 WO2011098028 A1 WO 2011098028A1 CN 2011070872 W CN2011070872 W CN 2011070872W WO 2011098028 A1 WO2011098028 A1 WO 2011098028A1
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WIPO (PCT)
Prior art keywords
channel
cell
service
channels
accessed
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PCT/CN2011/070872
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English (en)
Chinese (zh)
Inventor
王莹
刘明
沈澎
程江
徐伟
朱敏华
董魁武
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华为技术有限公司
中国移动通信集团安徽有限公司
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Publication of WO2011098028A1 publication Critical patent/WO2011098028A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Definitions

  • GSM Global System for Mobile Communications
  • the GSM voice service takes precedence over the data service. Therefore, in order to guarantee the access quality and call quality of the GSM voice service, the use of the channel resource by the data service is restricted by parameter configuration. This results in the inability of the data service to fully utilize the channel resources of the cell, which hinders the improvement of data throughput and affects the user's data service experience.
  • Embodiments of the present invention provide a channel allocation method, apparatus, and base station control device, which can allocate a channel reasonably for an accessed service.
  • an embodiment of the present invention provides a channel allocation method, which mainly includes: Obtaining the current idle channel condition of the cell;
  • the channel allocation mode is determined according to the type of the accessed service and the current idle channel condition of the cell.
  • an embodiment of the present invention provides a channel allocation apparatus, which mainly includes: an acquiring module, configured to acquire a current idle channel condition of a cell;
  • an allocating module configured to determine a channel allocation manner according to the type of the accessed service and the acquiring module acquiring the current idle channel condition of the cell.
  • an embodiment of the present invention further provides a base station control apparatus, including the channel allocation apparatus as described above.
  • the embodiment of the present invention further provides a channel allocation method, which mainly includes: when the accessed service is a voice service, and the voice service requests a full rate channel, acquiring the current channel occupancy of the cell, where The occupancy of the current channel of the cell is a proportion of all channels currently occupied by the voice service of the cell;
  • Determining a channel allocation manner according to the type of the accessed service and the acquired cell channel occupancy situation includes: if the current channel of the cell is voiced The occupied ratio is greater than or equal to the preset proportional threshold, and the full rate channel of the accessed voice service request is converted into a half rate channel and then allocated to the accessed voice service.
  • an embodiment of the present invention provides a channel allocation apparatus, which mainly includes: a first acquiring module, configured to: when a service that is accessed is a voice service, and the voice service requests a full rate channel, acquire a cell The occupancy of the current channel, where the current channel occupancy of the cell is the proportion of all current channels of the cell occupied by the voice service;
  • a second allocation module configured to determine a channel allocation manner according to a type of the accessed service and a cell channel occupancy situation acquired by the first acquiring module, where the channel is determined according to the type of the accessed service and the acquired cell channel occupancy situation
  • the allocation method includes: if the current channel of the cell is The proportion of the voice service is greater than or equal to the preset proportion threshold, and the full rate channel of the accessed voice service request is converted into a half rate channel and then allocated to the accessed voice service.
  • an embodiment of the present invention further provides a base station control apparatus, including the channel allocation apparatus as described above.
  • FIG. 1 is a flowchart of a channel allocation method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a channel allocation method according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a channel allocating apparatus according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a channel allocation method according to another embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a channel allocating apparatus according to another embodiment of the present invention.
  • An embodiment of the present invention provides a channel allocation method. As shown in FIG. 1, the method includes the following content.
  • the status of the current idle channel of the cell may be obtained by comparing the ratio of the current idle channel of the cell to the channel of the cell (referred to as the current idle channel ratio of the cell for convenience of description) or the current number of idle channels of the cell and the corresponding threshold. For example, when the current idle channel ratio of the cell is greater than the first threshold, the current idle channel of the cell may be considered to be sufficient. When the current idle channel ratio of the cell is less than or equal to the second threshold and greater than the third threshold, the current idle channel condition of the cell may be considered. In the intermediate state, when the current idle channel ratio of the cell is less than the third threshold, the current idle channel of the cell may be considered to be tight.
  • the first threshold here is greater than or equal to the second threshold, and the second threshold is greater than the third threshold.
  • the manner of judging the status of the current idle channel of the cell by using the current number of idle channels of the cell is similar to the above manner, except that the values of the thresholds are different.
  • the current idle channel condition of the cell may also be obtained by comparing the proportion of channels currently used by the cell or the number of currently used channels with corresponding thresholds. For example, when the current channel usage ratio of the cell is less than the fourth threshold, the current idle channel of the cell may be considered to be sufficient. When the current channel usage ratio of the cell is greater than or equal to the fifth threshold and less than the sixth threshold, the current idle channel condition of the cell may be considered as an intermediate state. When the current channel ratio of the cell is greater than the sixth threshold, it is considered that the current idle channel of the cell is tight.
  • the fourth threshold here is less than or equal to the fifth threshold, and the fifth threshold is less than the sixth threshold.
  • the thresholds in this embodiment can be set according to actual needs. For example, when it is required to meet the requirements of the voice service as much as possible, the first threshold can be set to a higher value.
  • the channel state can be obtained by traversing all the channels of the cell, so that the number of cell idle channels or the ratio of the number of idle channels to the number of all channels of the cell (i.e., the ratio of idle channels) or the number or proportion of channels used can be obtained.
  • the step of acquiring the current idle channel status of the cell may be performed periodically, or may be performed when there is service access.
  • S102 Determine a channel allocation manner according to a type of the accessed service and a current idle channel condition of the cell.
  • the transmitted service can generally include two types of voice services and data services.
  • the voice service may include: a voice call service, and the connection of the service is dedicated, that is, after the connection is established, the channel is kept for use by the user even if there is no data transmission.
  • the data service may include: web browsing, QQ, Fetion, data download, video, audio, etc., the connection of the service is non-dedicated, that is, the allocated channel is used when there is data, and the channel is multiplexed when there is no data. Other users with data.
  • the network side can use the signaling analysis of the prior art to learn the type of the accessed service.
  • the channel allocation mode may be determined according to the current idle channel condition of the cell. If the current idle channel is sufficient according to the current idle channel condition of the cell, the accessed data service uses one or more of the idle channels; if the status of the current idle channel is determined to be intermediate or nervous according to the current idle channel condition of the cell, The data service of the access data is multiplexed on one or more channels occupied by the existing data service when the channel occupied by the data service can continue to be multiplexed; if the accessed service is a data service, the current idle channel of the cell When the status is intermediate or tight, and the channel occupied by the data service cannot continue to be multiplexed, the idle channel is allocated for the data service.
  • the data service When there is a voice service access, if the current idle channel is known according to the current idle channel condition of the cell, the data service is triggered to roll back the channel occupied by the data service to reduce the channel occupied by the data service.
  • the data service occupies the channel rollback one or more channels are selected for backoff in the channel occupied by the data service.
  • the method of the rollback may be: redistributing the data traffic carried on the selected channel to other channels occupied by the data service, improving the channel multiplexing degree of the data service, and releasing the channel when the channel selected for backoff is idle. channel.
  • the accessed voice service can use the idle channel in all channels of the current cell. Specifically, which one or which channels are to be rolled back can be backed off by the network side using an algorithm similar to channel preemption in the prior art.
  • the channel allocation method provided in this embodiment can enable the voice service and the data service to flexibly use the cell channel resource according to the current idle channel condition of the cell, and allocate a channel for the voice service and the data service, thereby ensuring flexible adjustment of the channel occupancy rate of the service and improving the service.
  • Channel occupancy rate increasing data user throughput.
  • Another embodiment of the present invention further provides a channel allocation method.
  • the data service access is taken as an example.
  • the method may include the following content.
  • S201 Acquire a current idle channel status of the cell when the data service is accessed. For the manner of obtaining the current idle channel status of the cell, refer to the related description at S101, and details are not described herein again. If it is known that the current idle channel of the cell is sufficient, S202 is performed. If it is known that the current idle channel condition of the cell is an intermediate state or is tense, S205 is performed.
  • S202 Determine, according to the channel request signaling, whether the user to which the data service belongs is in an initial access establishment process or a data transmission process.
  • step S203 is performed. If it is determined that the user to which the data service belongs is not the initial access establishment process, but in the data transmission process, S204 is performed.
  • the user of the data service can be considered as a user. For initial access.
  • the network side cannot know the multi-time slot capability of the user's radio access capability, and therefore allocates a free channel for the data service. End the process.
  • S204 Allocate one or more idle channels to the data service according to the multi-slot capability of the user to which the data service belongs.
  • the network side can learn the multi-slot capability of the user. For example, if the multi-slot capability of the user can be 10, then at most 4 idle channels can be allocated for the data service. .
  • the user may also have other multi-slot capabilities, and the multi-slot capability is different, and the number of channels allocated for data services may also be different.
  • the specific processing manner of allocating a channel for a data service according to the multi-slot capability of the user is similar to that of the prior art, and details are not described herein again. End the process after allocating an idle channel for the data service.
  • S206 is executed. If the multiplexing cannot be continued, S207 is performed.
  • the accessed data service is multiplexed on a channel occupied by an existing data service.
  • the specific multiplexing mode can refer to the prior art, and details are not described herein again. End the process.
  • the channel occupied by the data service can be generally PDCH (Packet Data). Channel, packet data channel).
  • PDCH Packet Data
  • the method in this embodiment may further include: when there is voice service access, if the current idle channel condition is tight, the data service is triggered to perform channel rollback.
  • the method of the rollback may be: redistributing the data traffic carried on the selected channel to other channels occupied by the data service, improving the channel multiplexing degree of the data service, and releasing the channel when the channel selected for backoff is idle.
  • the accessed voice service can use the idle channel in all channels of the current cell. Specifically, which one or which channels are to be rolled back can be backed off by the network side using an algorithm similar to channel preemption in the prior art.
  • the data service when there is a data service access, if the current idle channel of the cell is sufficient (that is, the channel resource is surplus), the data service can fully utilize the idle channel to improve the quality of the data service, and the prior art is solved. Data services cannot fully utilize the problem of channel resources because of the constraints of parameter configuration. Further, the throughput of the cell data service can be improved without affecting the access of the voice service.
  • channel allocation method in various embodiments of the present invention is not only applicable to the GSM system, but can be applied to any system that has the same problem.
  • An embodiment of the present invention further provides a channel allocation apparatus.
  • the apparatus may include:
  • the obtaining module 301 is configured to acquire a current idle channel condition of the cell.
  • the allocating module 302 is configured to determine a channel allocation manner according to the type of the accessed service and the current idle channel condition of the cell acquired by the obtaining module 301.
  • the types of services that are accessed include voice services or data services.
  • the obtaining module 301 can obtain the current idle channel status of the cell by:
  • the relationship between the number or the ratio and the corresponding preset threshold acquires the current idle channel condition of the cell.
  • the current idle channel status of the above cell may include ample, intermediate state, and tension.
  • the manner of determining the current idle channel condition of the cell refer to the corresponding description in the method embodiment.
  • the allocating module 302 can further include:
  • a first allocation sub-module 3021 configured to allocate one or more channels in the idle channel for the data service if the accessed service is a data service, and the current idle channel condition of the cell is sufficient;
  • the second allocation sub-module 3022 if the accessed service is a data service, and the current idle channel status of the cell is in an intermediate state or is tense, the data service is multiplexed on the channel occupied by the existing data service; or
  • the third allocation sub-module 3023 is configured to allocate an idle channel for the data service if the accessed service is a data service, and the current idle channel condition of the cell is in an intermediate state or is tight, and the channel occupied by the existing data service cannot be reused. .
  • first distribution submodule 3021 may include:
  • a determining unit configured to determine whether a user to which the accessed data service belongs is in an initial access establishment process or a data transmission process
  • An allocating unit configured to determine, in the determining unit, that the user to which the accessed data service belongs is at an early stage When the link-building process is started, an idle channel is allocated for the accessed data service.
  • the judging unit judges that the user to which the accessed data service belongs is in the data transmission process, the data service is accessed according to the multi-slot capability of the user. One or more channels in the idle channel are allocated.
  • the distribution module 302 can also include:
  • the fourth allocation sub-module 3024 is configured to: if the accessed service is a voice service, when the current idle channel condition of the cell is tight, triggering to select one or more channels in the channel occupied by the data service to perform rollback, and selecting the selected The data traffic carried on the channel is redistributed to other channels occupied by the data service. When the channel selected for backoff is idle, the channel is released, and the voice service is used to use the idle channel.
  • the channel allocation apparatus can enable the voice service and the data service to flexibly use the cell channel resource according to the current idle channel condition of the cell. Further, when there is data service access, if the cell is currently idle, the channel is sufficient (ie, the channel The resource surplus can make the data service make full use of the idle channel, improve the quality of the data service, and solve the problem that the data service cannot fully utilize the channel resource due to the parameter configuration constraint in the prior art. In addition, the throughput of the cell data service can be improved without affecting the access of the voice service.
  • Another embodiment of the present invention further provides a base station control apparatus, which may include the channel allocation apparatus described in the above embodiments.
  • the current idle channel condition of the cell is considered. It can be understood that the current idle channel condition of the cell is also occupied by the current channel of the cell that is reflected from the side. In the following embodiments of the present invention, the method can be directly used. The channel allocation method is determined by the case where the current channel of the cell is occupied.
  • the current channel occupancy of the cell can also be represented by the proportion of the current channel occupied by the voice service.
  • the embodiment provides a channel allocation method, as shown in FIG. The method can include:
  • the proportion of the current channel occupied by the voice service of the cell may be represented by the ratio of the number of channels occupied by the cell voice service to the number of channels of the cell, where all channels include TCH (Traffic Channel) and converted from TCH to PDCH ( Packet Data Channel, the dynamic channel of the packet data channel.
  • TCH Traffic Channel
  • PDCH Packet Data Channel
  • the determining the channel allocation manner according to the type of the accessed service and the obtained cell channel occupancy may include: determining that the current channel of the cell is Whether the proportion of the voice service occupied is greater than or equal to the preset proportional threshold (which may be referred to as the seventh threshold). If the proportion of the current channel occupied by the voice service is greater than or equal to the seventh threshold, S403 is performed.
  • the seventh threshold is used to determine whether to perform the conversion of the full rate channel to the half rate channel, and may also be referred to as the full half rate conversion busy threshold.
  • the specific value of the threshold may be set according to actual needs (for example, set to 70). %, etc.), this embodiment does not limit this.
  • the proportion of the current channel occupied by the voice service is greater than or equal to the seventh threshold, it indicates that the voice service capacity is already high. If the voice service requests the full-rate channel, the subsequent voice service may not be connected. Therefore, the execution may be triggered in S403, where the requested full rate channel is converted into a half rate channel and then allocated to the voice service.
  • the channel may be allocated to the voice service in a normal manner, and the current idle channel ratio or number of the cell may also be obtained, if the current cell is current.
  • the proportion or number of idle channels is smaller than the corresponding preset threshold to further roll back the channel occupied by the data service.
  • the S403 may be triggered in the manner described above, or the current channel of the cell may be occupied by the voice service. Processing when the ratio is less than the seventh threshold
  • the method is not limited in this embodiment.
  • the manner of converting the full rate channel to the half rate channel can be referred to the existing mode, which is not limited and described in detail in this embodiment.
  • the full rate channel to the half rate channel may be initiated, and the converted The half-rate channel is allocated to the voice service, so that the channel can be allocated reasonably for the accessed service, the channel occupancy rate can be improved, and the capacity of the cell voice service can also be improved.
  • the current idle channel ratio or number of the cell may also be obtained, if the current idle channel ratio or number of the cell is smaller than the corresponding pre-
  • the threshold can also be triggered to roll back the channel occupied by the data service.
  • the preset threshold is different according to the actual requirement.
  • the preset threshold is not limited in this embodiment. For example, assuming that the free channel ratio is obtained, the corresponding preset threshold may be 10%.
  • the channel allocation apparatus includes:
  • the first obtaining module 501 is configured to: when the accessed service is a voice service, and the voice service is requested When the full-rate channel is obtained, the current channel occupancy of the cell is obtained, where the current channel occupancy of the cell is the proportion of the current channel occupied by the voice service of the cell;
  • the proportion of the current channel occupied by the voice service of the cell may be represented by a ratio of the number of channels occupied by the cell voice service to the number of all channels of the cell, where all channels include
  • TCH and dynamic channel converted from TCH to PDCH are examples of TCH and dynamic channel converted from TCH to PDCH.
  • a second allocation module 502 configured to determine a channel allocation manner according to a type of the accessed service and a cell channel occupancy situation obtained by the first obtaining module 501;
  • the determining the channel allocation manner according to the type of the accessed service and the obtained cell channel occupancy includes: if the proportion of the current channel occupied by the voice service of the cell is greater than or equal to a preset proportional threshold, the accessing The full rate channel of the voice service request is converted into a half rate channel and then allocated to the accessed voice service.
  • the first obtaining module 501 in this embodiment may be further configured to acquire the current idle channel ratio or the number of the cell
  • the second allocating module 502 may further include a triggering submodule 5021, if the first acquiring module is used.
  • the current idle channel ratio or the number of the cells acquired by the 501 is smaller than the corresponding preset threshold, and triggering one or more channels from the channels already occupied by the data service to perform rollback. Thereby a certain number of channels can be reserved for subsequent services.
  • the specific fallback mode may be: redistributing the data traffic carried on the selected channel to other channels occupied by the data service, improving the channel multiplexing degree of the data service, and releasing the channel when the selected backoff channel is idle.
  • the channel Specifically, which one or which channels to fall back can be used by the network side to perform channel back-off using an algorithm similar to channel preemption in the prior art.
  • the full rate channel to the half rate channel may be initiated, and the converted The half-rate channel is allocated to the voice service, so that the channel can be allocated reasonably for the accessed service, the channel occupancy rate can be improved, and the capacity of the cell voice service can also be improved.
  • Another embodiment of the present invention further provides a base station control apparatus, which may include the channel allocation apparatus described in the embodiment shown in FIG.
  • the medium can be a read only memory, a magnetic disk or a compact disk or the like.

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  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de distribution de canaux, un appareil associé et un dispositif de commande de station de base. Le procédé de distribution de canaux comprend principalement les étapes suivantes : l'obtention d'une condition actuelle de canal au repos d'une cellule ; la détermination d'un mode de distribution de canaux selon le type d'un service accédé et la condition actuelle de canal au repos de la cellule, le type du service accédé comprenant : un service vocal ou un service de données. La solution technique décrite par les modes de réalisation de l'invention, dans laquelle la distribution de canaux est mise en œuvre selon le type du service et la condition occupée du canal, peut distribuer convenablement les canaux au service accédé.
PCT/CN2011/070872 2010-02-10 2011-02-01 Procédé de distribution de canaux, appareil associé et dispositif de commande de station de base WO2011098028A1 (fr)

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CN201010113554.4 2010-02-10
CN201010113554A CN101835163A (zh) 2010-02-10 2010-02-10 信道分配方法、装置和基站控制设备
CN201010299592.3 2010-10-08
CN201010299592.3A CN102076091B (zh) 2010-02-10 2010-10-08 信道分配方法、装置和基站控制设备

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