WO2012159396A1 - Procédé, dispositif et système de distribution de données directe multi-porteuse - Google Patents

Procédé, dispositif et système de distribution de données directe multi-porteuse Download PDF

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Publication number
WO2012159396A1
WO2012159396A1 PCT/CN2011/079836 CN2011079836W WO2012159396A1 WO 2012159396 A1 WO2012159396 A1 WO 2012159396A1 CN 2011079836 W CN2011079836 W CN 2011079836W WO 2012159396 A1 WO2012159396 A1 WO 2012159396A1
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WO
WIPO (PCT)
Prior art keywords
carrier
data
base station
load
station controller
Prior art date
Application number
PCT/CN2011/079836
Other languages
English (en)
Chinese (zh)
Inventor
夏柱昌
刘文超
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012159396A1 publication Critical patent/WO2012159396A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/082—Load balancing or load distribution among bearers or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering

Definitions

  • Multi-carrier forward data distribution method device and system
  • the present invention relates to the field of communications, and in particular, to a multi-carrier forward data distribution method, apparatus and system. Background technique
  • the CDMA (Code Division Multiple Access) system is mainly composed of a BSC (Base Station Controller) and a BTS (Base Transceiver Station).
  • the BTS is responsible for receiving and transmitting mobile signals.
  • a complete BTS includes wireless transmit/receive equipment, antennas and signal processing sections specific to all wireless interfaces.
  • multiple BSCs and BTSs form a cellular base station subsystem in a certain area, and the signals transmitted and received between the BTSs are controlled by the BSC to achieve the transmission of mobile communication signals.
  • the existing multi-carrier forward data distribution method mainly includes data distribution method according to the size of the flow control window and information according to DRC (Data Rate Control) and a carrier fan (the carrier fan refers to a BTS support).
  • DRC Data Rate Control
  • the carrier fan refers to a BTS support.
  • the flow control window refers to the amount of data that the carrier can carry. When the flow control window is large, the carrier can carry more data. When the flow control window is small, the carrier can carry less data.
  • the method of data distribution according to the size of the flow control window is based on the flow control window of each carrier.
  • the size of the port distributes the data of the logical stream on each carrier for transmission according to a certain ratio.
  • this method only considers the flow control window, and does not consider the DRC value and the load of the fan. It may cause the data distribution of the logic flow to be unreasonable, increase the load of the BTS, and thus reduce the throughput of the BTS.
  • the DRC value and the load fan load ratio allocation method consider the DRC and the load fan load, but do not take into account the flow throughput of the carrier, so that in some cases, the data of multiple logic streams is simultaneously distributed to one.
  • the carrier fan after being dispatched, it is simultaneously distributed to another carrier fan, causing a large amount of data to move between different carriers, increasing the load of the BTS, thereby reducing the throughput of the BTS.
  • the present invention provides a multi-carrier forward data distribution method, device and system.
  • the method provided by the present invention can distribute data to multiple carriers to balance the load of each carrier, reduce the load of the BTS, and improve the throughput of the BTS. .
  • the present invention provides a multi-carrier forward data distribution method, including:
  • the base transceiver station acquires a stream throughput of each carrier of a logic flow, a carrier fan load corresponding to each carrier, and a data rate control value corresponding to each carrier, and sends the data rate control value to the base station controller;
  • the base station controller obtains a metric value of each carrier and a metric value logical ratio of each carrier used to distribute data according to the received stream throughput of each carrier, the load of the carrier fan corresponding to each carrier, and the data rate control value corresponding to each carrier;
  • the base station controller determines that the data flow of the logical flow is smaller than the data traffic that can be carried by all the carriers, the base station performs forward data distribution according to the logical ratio of the metric values of the carriers.
  • the invention also provides a base station controller, comprising:
  • a metric logic ratio calculating unit configured to obtain a metric value of each carrier and each carrier used to distribute data according to the stream throughput of each carrier, the load of the carrier corresponding to each carrier, and the data rate control value corresponding to each carrier. Measured logic ratio; a determining unit, configured to determine whether data traffic of the logic flow is smaller than data traffic that can be carried by all carriers;
  • a data distribution unit configured to perform forward data distribution on the logic flow according to a metric value logical ratio of each carrier.
  • the invention also provides a base transceiver station, comprising:
  • a stream throughput obtaining unit configured to acquire a stream throughput of each carrier of a logic stream and send the stream throughput to the base station controller
  • the fan load and data rate control value obtaining unit is configured to acquire a load fan load corresponding to each carrier of the logic flow and a data rate control value corresponding to each carrier, and send the data rate control value to the base station controller.
  • the present invention also provides a multi-carrier forward data distribution system, comprising: the foregoing base station controller and the above-mentioned base transceiver station,
  • the method provided by the present invention can distribute data to multiple carriers to balance the load of each carrier, reduce the load of the BTS, and improve the throughput of the BTS.
  • FIG. 1 is a schematic structural diagram of an embodiment of a multi-carrier forward data distribution system according to the present invention
  • FIG. 2 is a flowchart of an embodiment of a multi-carrier forward data distribution method according to the present invention. detailed description
  • the present invention provides a multi-carrier forward data distribution method.
  • the method provided by the present invention can distribute data to multiple carriers reasonably, balance the load of each carrier, reduce the load of the BTS, and improve the throughput of the BTS.
  • a multi-carrier forward data distribution method provided by the present invention includes:
  • the base transceiver station acquires a stream throughput of each carrier of a logic flow, a carrier fan load corresponding to each carrier, and a data rate control value corresponding to each carrier, and sends the data rate control value to the base station controller;
  • the base station controller receives the traffic throughput of each carrier, the load of the carrier fan corresponding to each carrier, and a data rate control value corresponding to each carrier, obtaining a metric value of each carrier, and further obtaining a logical ratio of the metric values of each carrier;
  • the base station controller determines that the data flow of the logical flow is smaller than the data traffic that can be carried by all the carriers, the base station performs forward data distribution according to the logical ratio of the metric values of the carriers.
  • the method further includes:
  • the logic flow further includes:
  • the data of the logical stream buffered in the distribution process is sequentially distributed to each carrier in the order of the carriers.
  • each of the carriers is arranged, and specifically, each carrier is arranged in descending order according to the magnitude of the corresponding metric value.
  • a base station controller provided by the present invention includes:
  • a metric logic ratio calculating unit configured to obtain a metric value of each carrier and each carrier used to distribute data according to the stream throughput of each carrier, the load of the carrier corresponding to each carrier, and the data rate control value corresponding to each carrier. Measured logic ratio;
  • a determining unit configured to determine whether data traffic of the logic flow is smaller than data traffic that can be carried by all carriers
  • a data distribution unit configured to perform forward data distribution on the logic flow according to a metric value logical ratio of each carrier.
  • the method further includes:
  • the arranging unit is configured to arrange each carrier according to the size of the metric value of each carrier.
  • the data distribution unit is further configured to distribute the data of the logic stream buffered in the distribution process to each carrier in the order of the carriers.
  • the arranging unit is specifically configured to use each carrier according to a corresponding metric value.
  • Small is arranged in order from large to small.
  • a base transceiver station provided by the present invention includes:
  • a stream throughput obtaining unit configured to acquire a stream throughput of each carrier of a logic stream and send the stream throughput to the base station controller
  • the fan load and data rate control value obtaining unit is configured to acquire a load fan load corresponding to each carrier of the logic flow and a data rate control value corresponding to each carrier, and send the data rate control value to the base station controller.
  • a multi-carrier forward data distribution system includes: the base station controller and the base transceiver station.
  • the method provided by the present invention can distribute data to multiple carriers to balance the load of each carrier, reduce the load of the BTS, and improve the throughput of the BTS.
  • the multi-carrier forward data distribution system includes: a base station controller and a base station for transmitting and receiving, and the base station controller Includes:
  • a flow ratio logic ratio calculating unit configured to calculate a ratio of a stream throughput of each carrier of the logic stream to a sum of stream throughputs of all carriers according to a stream throughput of each carrier of the logic stream sent by the base station, to obtain a ratio of each carrier Flow throughput logic ratio;
  • a metric calculation unit configured to control a DRC value according to a load fan load corresponding to each carrier of the logical flow sent by the base station and a data rate corresponding to each carrier, and control a DRC by multiplying a data throughput logical ratio of each carrier by a data rate corresponding to each carrier The value is obtained by dividing the obtained product by the load of the carrier fan corresponding to each carrier to obtain a metric corresponding to each carrier;
  • the metric logic ratio calculating unit calculates a ratio of the metric value of each carrier to the sum of the metric values of all carriers, and obtains a logical ratio of the metric values of each carrier;
  • a determining unit configured to determine whether data traffic of the logic flow is smaller than data traffic that can be carried by all carriers;
  • a data distribution unit configured to perform forward data distribution on the logical flow according to a metric value of each carrier;
  • the base transceiver station includes:
  • a stream throughput obtaining unit configured to acquire a stream throughput of each carrier of a logic stream and send the stream throughput to the base station controller
  • the fan load and data rate control value obtaining unit is configured to acquire a load fan load corresponding to each carrier of the logic flow and a data rate control value corresponding to each carrier, and send the data rate control value to the base station controller.
  • FIG. 2 is a flow chart of an embodiment of a multi-carrier forward data distribution method according to the present invention. A specific embodiment of the multi-carrier data distribution method of the present invention will be described in detail below with reference to the accompanying drawings.
  • Step 201 The base transceiver station acquires a stream throughput of each carrier of a logic flow and sends the stream throughput to the base station controller.
  • Step 202 The base station controller calculates a sum of stream throughputs of all carriers according to the stream throughput of each carrier of the received logic stream.
  • Step 203 The base station controller calculates a ratio of a stream throughput of each carrier to a sum of stream throughputs of all carriers, and obtains a logical ratio of stream throughput of each carrier.
  • Step 204 The base transceiver station acquires a load fan load corresponding to each carrier of the logic flow and a data rate control value corresponding to each carrier, and sends the data rate control value to the base station controller.
  • Step 205 The base station controller, according to the load fan load corresponding to each carrier of the received logic flow and the data rate control value corresponding to each carrier, multiply the data rate corresponding to each carrier by the logical ratio of the flow ratio of each carrier The value is divided by the product and the load of the carrier fan corresponding to each carrier, and the metric value corresponding to each carrier is obtained.
  • Step 206 The base station controller arranges the carriers according to the size of the corresponding metric value in descending order.
  • Step 207 The base station controller calculates a sum of metric values of all carriers.
  • Step 208 The base station controller calculates a ratio of a metric value of each carrier to a sum of metric values of all carriers, to obtain a metric logical ratio of each carrier.
  • Step 209 The base station controller determines whether the data traffic of the logical flow is smaller than the data traffic that can be carried by all the carriers. If the data traffic of the logical flow is smaller than the data traffic that can be carried by all the carriers, step 210 is performed; otherwise, the process proceeds to step 212.
  • Step 210 Perform forward data distribution on the logical flow according to a metric logical ratio of each carrier.
  • Step 211 The data of the logical stream buffered in the distribution process is sequentially distributed to each carrier in the order of the carriers, and the process returns to step 201.
  • Step 212 Distribute data of the logic flow to each carrier and fill each carrier.
  • the technical solution of the present invention is: the BTS obtains information about the flow throughput, the DRC value, and the load of the fan.
  • the BSC calculates the logical ratio of the metric value of each carrier of the logical flow according to the above information, and distributes the logic according to the metric. Flow to each carrier.
  • this metric is: If the carrier fan load of the carrier is larger, the smaller the metric value corresponding to the carrier, the less the data of the logical stream distributed to the carrier, so as to reduce the carrier fan load of the carrier.
  • the metric corresponding to the carrier is larger, and the more data of the logical flow allocated to the carrier is increased to improve the throughput of the BTS.
  • Data distribution without reference to the flow-throughput logic ratio may occur as follows: When the DRC value/carrier fan load value of multiple logic flows is mapped to the same carrier fan, multiple logical flows The data will be distributed to the fan, causing the fan to be overloaded. After the fan is overloaded, the data of multiple logic streams may be distributed to another carrier fan, causing another carrier fan to be overloaded, resulting in no load on the BTS. Balanced, affecting the throughput of the BTS.
  • the data distribution is performed by referring to the factor of the logical ratio of the flow throughput, so that data of a certain amount of logical flow is distributed on each carrier, and the data of the distributed logical stream is obtained according to the throughput of each carrier, so Each load
  • the problem of unbalanced wave load increases the throughput of the BTS.
  • the technical solution of the present invention comprehensively considers various factors of the flow throughput, the DRC value, the load of the fan, and the amount of data that the carrier can carry, the data can be distributed to multiple carriers reasonably, the load of each carrier is balanced, and the BTS is mitigated. Load, improve the throughput of BTS.
  • embodiments of the present invention can be provided as a method, system, or computer program product.
  • the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
  • the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions are provided for implementation in a block or blocks of a flow or a flow and/or a block diagram of the flowchart Functional steps.
  • the technical solution of the present invention comprehensively considers various factors of the flow throughput, the data rate control value, the load fan load, and the amount of data that the carrier can carry, and distributes the data to multiple carriers reasonably, equalizes the load of each carrier, and reduces the base station.
  • the load of the transceiver BTS increases the throughput of the BTS.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention porte sur un procédé, un dispositif et un système de distribution de données directe multi-porteuse servant à résoudre le problème technique, dans l'état de la technique, selon lequel les charges des porteuses sont déséquilibrées et la charge de l'émetteur-récepteur de station de base est lourde. La solution technique de la présente invention est la suivante : une BTS acquiert des informations concernant un débit de flux, une valeur DRC et une charge de secteur de porteuse, et un BSC calcule le rapport logique de valeur métrique de chaque porteuse d'un flux logique conformément auxdites informations et distribue le flux logique à chaque porteuse conformément au rapport logique de valeur métrique. La présence invention peut égaliser la charge de chaque porteuse par distribution logique des données à une pluralité de porteuses, abaissant la charge de la BTS et améliorant le débit de la BTS.
PCT/CN2011/079836 2011-05-20 2011-09-19 Procédé, dispositif et système de distribution de données directe multi-porteuse WO2012159396A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110132228.2 2011-05-20
CN201110132228.2A CN102209351B (zh) 2011-05-20 2011-05-20 多载波前向数据分发方法、装置和系统

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101137084A (zh) * 2007-01-08 2008-03-05 中兴通讯股份有限公司 多载波系统的数据分发方法
CN101390349A (zh) * 2006-02-27 2009-03-18 高通股份有限公司 用于多载波通信系统的分布式前向链路调度器
CN101695185A (zh) * 2003-06-12 2010-04-14 富士通株式会社 移动通信系统和无线通信系统
CN101754280A (zh) * 2009-12-28 2010-06-23 华为技术有限公司 多载波的负载均衡方法及装置
CN101795471A (zh) * 2009-02-03 2010-08-04 大唐移动通信设备有限公司 Icic参数传输方法及资源分配方法、装置和系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101695185A (zh) * 2003-06-12 2010-04-14 富士通株式会社 移动通信系统和无线通信系统
CN101390349A (zh) * 2006-02-27 2009-03-18 高通股份有限公司 用于多载波通信系统的分布式前向链路调度器
CN101137084A (zh) * 2007-01-08 2008-03-05 中兴通讯股份有限公司 多载波系统的数据分发方法
CN101795471A (zh) * 2009-02-03 2010-08-04 大唐移动通信设备有限公司 Icic参数传输方法及资源分配方法、装置和系统
CN101754280A (zh) * 2009-12-28 2010-06-23 华为技术有限公司 多载波的负载均衡方法及装置

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CN102209351B (zh) 2016-07-06
CN102209351A (zh) 2011-10-05

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