WO2016184166A1 - Procédé et appareil d'attribution de bande passante à agrégation de porteuses - Google Patents

Procédé et appareil d'attribution de bande passante à agrégation de porteuses Download PDF

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Publication number
WO2016184166A1
WO2016184166A1 PCT/CN2016/072199 CN2016072199W WO2016184166A1 WO 2016184166 A1 WO2016184166 A1 WO 2016184166A1 CN 2016072199 W CN2016072199 W CN 2016072199W WO 2016184166 A1 WO2016184166 A1 WO 2016184166A1
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WIPO (PCT)
Prior art keywords
terminal
bandwidth
subframe
allocated
signal
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PCT/CN2016/072199
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English (en)
Chinese (zh)
Inventor
曹宁灏
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中兴通讯股份有限公司
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Publication of WO2016184166A1 publication Critical patent/WO2016184166A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for carrier aggregation bandwidth allocation.
  • LTE Long-Time Evolution
  • the problem that the base station cannot reasonably allocate the carrier aggregation bandwidth resources is not effective.
  • the present invention provides a carrier aggregation bandwidth allocation method and apparatus, so as to at least solve the problem of reasonably allocating carrier aggregation bandwidth resources in the related art.
  • a carrier aggregation bandwidth allocation method including:
  • RSRP Reference Signal Receiving Power
  • the allocated preset bandwidth information is loaded into the subframe and sent to the terminal.
  • the allocated information is loaded into the subframe and includes one of the following:
  • FDD Frequency Division Duplexing
  • the allocated information is carried in a downlink pilot time slot DwPTS subframe and/or an uplink pilot time slot UpPTS subframe of a Time Division Duplexing (TDD) subframe.
  • DwPTS downlink pilot time slot
  • UpPTS Uplink pilot time slot
  • TDD Time Division Duplexing
  • the preset bandwidth of the allocated spectrum resource includes:
  • the preset bandwidth is sequentially allocated according to the signal strength of the terminal from the largest to the smallest, wherein the signal strength is large and the preset bandwidth is preferentially allocated.
  • the allocated information is loaded into the subframe, and after being sent to the terminal, the method further includes:
  • the method further includes:
  • the signal of the terminal is switched from the cell where the terminal is currently located to the target cell.
  • an apparatus for carrier aggregation bandwidth allocation including:
  • Obtaining a module configured to acquire a request message used by the terminal to apply for a carrier aggregation bandwidth, and obtain a signal received power RSRP and a signal reception quality RSRQ fed back by the terminal;
  • the determining module is configured to determine a signal strength of the terminal according to the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal, and determine, according to the signal strength of the terminal, whether the terminal needs to switch a cell;
  • an allocation module configured to allocate a preset bandwidth of the spectrum resource according to the bandwidth requested by the request message and the signal strength of the terminal, in a case that the terminal is not required to switch the cell;
  • the sending module is configured to load the allocated preset bandwidth information into the subframe and send the information to the terminal.
  • the sending module includes:
  • a first carrying unit configured to carry the allocated information in a subframe of a frequency division duplex FDD subframe
  • the second carrying unit is configured to carry the allocated information in a downlink pilot time slot DwPTS subframe and/or an uplink pilot time slot UpPTS subframe of the time division duplex TDD subframe.
  • the allocation module comprises:
  • the allocating unit is configured to allocate the preset bandwidths in sequence according to the signal strength of the terminal, wherein the predetermined strength is preferentially allocated by the signal strength.
  • the device further includes:
  • a recovery module configured to receive an end signal fed back by the terminal, where the end signal indicates that the terminal has occupied the allocated preset bandwidth, and the allocated information of the terminal is cleared and recovered.
  • the preset bandwidth configured to receive an end signal fed back by the terminal, where the end signal indicates that the terminal has occupied the allocated preset bandwidth, and the allocated information of the terminal is cleared and recovered.
  • the device further includes:
  • the switching module is configured to, when determining that the terminal needs to handover a cell, switch a signal of the terminal from a cell where the terminal is currently located to a target cell.
  • the request message for acquiring the carrier aggregation bandwidth is obtained by the acquiring terminal, and the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal are obtained, and the terminal is determined according to the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal.
  • the signal strength is determined according to the signal strength, whether the terminal needs to switch the cell, and if it is determined that the terminal does not need to switch the cell, the preset bandwidth of the spectrum resource is allocated according to the bandwidth requested by the request message and the signal strength of the terminal.
  • the allocated preset bandwidth information is loaded into the subframe and sent to the terminal, which provides a method for allocating carrier aggregation bandwidth resources, thereby achieving the effect of reasonably allocating carrier aggregation bandwidth resources.
  • FIG. 1 is a flowchart of a carrier aggregation bandwidth allocation method according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram 1 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention
  • FIG. 3 is a structural block diagram 2 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram 3 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram 4 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram 5 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention
  • Figure 7 is a flow diagram of an overall scheme in accordance with a preferred embodiment of the present invention.
  • FIG. 1 is a flowchart of a carrier aggregation bandwidth allocation method according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S102 acquiring a request message for applying for a carrier aggregation bandwidth, and acquiring a signal received power RSRP and a signal reception quality RSRQ fed back by the terminal;
  • Step S104 determining, according to the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal, the signal strength of the terminal, and determining, according to the signal strength, whether the terminal needs to switch the cell;
  • Step S106 in the case that it is determined that the terminal does not need to switch the cell, allocate a preset bandwidth of the spectrum resource according to the bandwidth requested by the request message and the signal strength of the terminal;
  • Step S108 The allocated preset bandwidth information is loaded into the subframe and sent to the terminal.
  • the request message for requesting the carrier aggregation bandwidth is obtained, and the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal are obtained, and the terminal receiving power RSRP and the signal receiving quality RSRQ are determined according to the terminal.
  • the signal strength is determined according to the signal strength, whether the terminal needs to switch the cell, and if it is determined that the terminal does not need to switch the cell, the preset bandwidth of the spectrum resource is allocated according to the bandwidth requested by the request message and the signal strength of the terminal.
  • the allocated preset bandwidth information is loaded into the subframe and sent to the terminal.
  • This embodiment allocates the bandwidth according to the strength of the application signal. Give appropriate bandwidth to different users, make full use of existing resources, and improve bandwidth utilization.
  • the allocated information is carried in a subframe of a frequency division duplex FDD subframe, for example, a 0 subframe, or the allocated information is carried in a downlink pilot time slot of a time division duplex TDD subframe.
  • the DwPTS subframe and/or the uplink pilot time slot UpPTS subframe are carried in a subframe of a frequency division duplex FDD subframe, for example, a 0 subframe, or the allocated information is carried in a downlink pilot time slot of a time division duplex TDD subframe.
  • the DwPTS subframe and/or the uplink pilot time slot UpPTS subframe In the DwPTS subframe and/or the uplink pilot time slot UpPTS subframe.
  • the preset bandwidth is allocated according to the signal strength of the terminal from large to small, wherein the signal strength is preferentially allocated to the preset bandwidth, and the primary consideration for allocating bandwidth is signal strength, and the network environment is good. It takes up more bandwidth, and the second consideration is the order of signal application.
  • the queue number is used first-come, first-served. If the spectrum resources are sufficient, there is no need to queue.
  • the allocated information is loaded into the subframe, and after being sent to the terminal, the end signal fed back by the terminal is received, where the end signal indicates that the terminal has occupied the allocated preset bandwidth, and The allocated information of the terminal is cleared, and the preset bandwidth is recovered, the user demand is increased, the spectrum resources are limited, and it is necessary to timely recover the vacant bandwidth, thereby avoiding excessive waiting for the application user.
  • the signal of the terminal is switched from the cell where the terminal is currently located to the target cell, and whether the cell is switched can determine information such as signal strength and/or user personal setting. Switching the cell in time and accurately improves the user rate and reduces the bandwidth usage load of the cell.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of various embodiments of the present invention.
  • a device for bandwidth allocation of a carrier aggregation is also provided.
  • the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 2 is a structural block diagram 1 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes:
  • the obtaining module 22 is configured to acquire a request message used by the terminal to apply for a carrier aggregation bandwidth, and obtain a signal received power RSRP and a signal receiving quality RSRQ fed back by the terminal;
  • the determining module 24 is connected to the obtaining module 22, and is configured to determine the signal strength of the terminal according to the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal, and determine, according to the signal strength, whether the terminal needs to switch the cell;
  • the allocating module 26 is connected to the determining module 24, and is configured to allocate a preset bandwidth of the spectrum resource according to the bandwidth requested by the request message and the signal strength of the terminal, if it is determined that the terminal does not need to switch the cell;
  • the sending module 28 is connected to the allocating module 26, and is configured to load the allocated preset bandwidth information into the subframe and send it to the terminal.
  • the obtaining module 22 is configured to obtain a request message for the terminal to apply for the carrier aggregation bandwidth, and obtain the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal, and the determining module 24 receives the power RSRP according to the signal fed back by the terminal.
  • the signal receiving quality RSRQ determines the signal strength of the terminal, and determines whether the terminal needs to switch the cell according to the signal strength.
  • the allocation module 26 is configured to determine the bandwidth requested according to the request message and the case where the terminal does not need to switch the cell.
  • the signal strength of the terminal is allocated to the preset bandwidth of the spectrum resource, and the sending module 28 is configured to load the allocated preset bandwidth information into the subframe and send the information to the terminal.
  • Carrier aggregation can occupy more bandwidth.
  • the bandwidth of the application signal is reasonably allocated to the appropriate bandwidth of different users, and the existing resources are fully utilized to improve the bandwidth utilization.
  • FIG. 3 is a structural block diagram 2 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention.
  • the sending module 28 includes:
  • the first carrying unit 32 is configured to carry the allocated information in the 0 subframe of the frequency division duplex FDD subframe;
  • the second carrying unit 34 is configured to carry the allocated information in a downlink pilot time slot DwPTS subframe and/or an uplink pilot time slot UpPTS subframe of the time division duplex TDD subframe.
  • FIG. 4 is a structural block diagram 3 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention.
  • the allocation module 26 includes:
  • the allocating unit 42 is configured to allocate the preset bandwidth according to the signal strength of the terminal in descending order, wherein the signal strength is preferentially allocated to the preset bandwidth.
  • the primary consideration for allocating bandwidth is signal strength.
  • the network environment takes up more bandwidth.
  • the second consideration is the sequence of signal applications.
  • the queue number is used first-come, first-served. If the spectrum resources are sufficient, there is no need to queue.
  • FIG. 5 is a structural block diagram 4 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes:
  • the recovery module 52 is connected to the sending module 28, and is configured to receive an end signal fed back by the terminal, wherein the ending signal The number indicates that the terminal has occupied the allocated preset bandwidth, clears the allocated information of the terminal, and reclaims the preset bandwidth.
  • FIG. 6 is a structural block diagram 5 of a processing apparatus for carrier aggregation bandwidth allocation according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes:
  • the switching module 62 is connected to the determining module 24, and is configured to switch the signal of the terminal from the current cell of the terminal to the target cell when it is determined that the terminal needs to switch the cell.
  • Whether the cell can be switched can determine the signal strength and/or the user's personal settings, and timely and accurately switch the cell to increase the user rate, thereby reducing the bandwidth usage load of the cell.
  • the user signal strength and network status of each application bandwidth in the cell are determined, and then the bandwidth of the user with strong signal is preferentially allocated according to the requested bandwidth.
  • the information such as the allocation of the signal strength of the user equipment (User Equipment, UE for short) is determined in a certain time slot of the frame structure.
  • the number represents the size and order of the bandwidth.
  • a radio frame with a length of 10 ms is composed of 10 subframes of length 1 ms, and each subframe is composed of two slots having a length of 0.5 ms.
  • the decision information is loaded into the time slot in which the control information is stored, not in the time slot in which the data is stored. For example, the decision information and the assignment number are added to the slot 0, and the base station side broadcasts through a physical broadcast channel (Physical Broadcast Channel, PBCH for short).
  • PBCH Physical Broadcast Channel
  • a radio frame with a length of 10ms consists of two half frames with a length of 5ms.
  • Each field consists of 5 sub-frames of length 1 ms.
  • Regular subframe consists of two slots of length 0.5ms (subframes 0-9)
  • the current mobile phone design is mainly a multi-antenna in the downlink, so it is mainly used for DwPTS.
  • CA Carrier Aggregation
  • ENodeB The evolved Node B determines the strength of the user signal and the network status through RSRP and RSRQ fed back by the user, and determines whether to switch the cell. Users who do not need to switch are determined according to the requested bandwidth and signal strength, and the number is assigned.
  • the rule is that the base station first determines an optimal allocation of bandwidths such as 20M, 15M, and 10M according to the spectrum resources, and then allocates the allocation information according to the strength of the user signal, and loads the allocation information into the subframe (FDD is a time slot in which the control information is stored. For example, subframe subframe#0, TDD is stored in DwPTS and UpPTS).
  • FDD is a time slot in which the control information is stored. For example, subframe subframe#0, TDD is stored in DwPTS and UpPTS).
  • the bandwidth usage is allocated according to the detected information, and the resources are released after use, and the information is cleared.
  • the base station flexibly schedules according to the existing spectrum resources of the operator. According to the application bandwidth, the combination is divided into, for example, 20M+20M; 10M+10M; 10M+5M and the like.
  • the first specified signal is strong, and the user with good network environment uses more bandwidth.
  • the specific base station has been determined and will not be described in detail here. If the user's usage environment is not met, the original 20M+20M bandwidth can be reduced to 15M+10M or less.
  • the second provision of allocation is the same network condition and signal strength, queued according to the order of application, and the assigned number. If the spectrum resources are sufficient, there is no need to queue. If the resources are limited, they will be queued according to the matching number, and will be used after the previous users have released the resources. Of course, the system will have an optimal schedule according to the situation. There are too many users applying for 20M+20M bandwidth. You can first reduce the bandwidth usage for some users. For example, use it at 10M+10M first, then add resources later, and so on.
  • FIG. 7 is a schematic flow chart of an overall solution according to a preferred embodiment of the present invention. As shown in FIG. 7, the steps include:
  • Step S701 the user applies for CA bandwidth.
  • Step S702 the base station determines, according to the strength of the feedback signal, whether the cell needs to be switched.
  • Step S703 determining that the cell needs to be switched, and then switching to another cell.
  • Step S704 determining that the cell does not need to be switched, and loading the information into the subframe according to the RSRP and the RSRQ and the spectrum resource allocation number.
  • Step S705 allocating bandwidth according to the detected information.
  • Step S706 after the use is completed, the resource is released, and the information is cleared.
  • the method of the present invention is a method of adding a reasonable allocation of bandwidth to the protocol flow.
  • the technical implementation is not difficult, the cost is low, and it is not necessary to modify existing equipment and networks, which is a good way to improve the utilization of spectrum resources.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the storage medium may be configured to store program code for performing the method steps of the above embodiment:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs the method steps of the foregoing embodiments according to the stored program code in the storage medium.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the request message for requesting the carrier aggregation bandwidth is obtained by the terminal, and the signal received power RSRP and the signal receiving quality RSRQ fed back by the terminal are obtained, and the received power RSRP and the signal are received according to the signal fed back by the terminal.
  • the receiving quality RSRQ determines the signal strength of the terminal, determines whether the terminal needs to switch the cell according to the signal strength, and determines that the terminal does not need to switch the cell, according to the bandwidth requested by the request message and the signal strength of the terminal.
  • the preset bandwidth of the spectrum resource is loaded into the subframe and sent to the terminal, which provides a method for allocating carrier aggregation bandwidth resources, thereby achieving the effect of reasonably allocating carrier aggregation bandwidth resources.

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

Abstract

La présente invention concerne un procédé et un appareil d'attribution de bande passante à agrégation de porteuses. Le procédé comprend les étapes consistant à : obtenir un message de demande concernant l'application d'une bande passante à agrégation de porteuses par un terminal, et obtenir une puissance de réception de signal de référence (RSRP) et une qualité de réception de signal de référence (RSRQ) qui sont renvoyées par le terminal ; déterminer l'intensité de signal du terminal d'après la puissance de réception de signal de référence (RSRP) et la qualité de réception de signal de référence (RSRQ) qui sont renvoyées par rétroaction par le terminal, et déterminer si le terminal doit exécuter une commutation de cellule d'après l'intensité de signal ; lorsqu'il est déterminé que le terminal ne doit pas exécuter une commutation de cellule, attribuer une bande passante prédéfinie de ressource spectrale d'après la bande passante demandée par le message de demande et l'intensité de signal du terminal ; charger les informations de bande passante prédéfinie attribuée dans une sous-trame, et transmettre la sous-trame au terminal. Un procédé d'attribution de ressource de bande passante à agrégation de porteuses par une station de base est proposé, qui permet d'atteindre l'effet d'attribuer raisonnablement une ressource de bande passante à agrégation de porteuses.
PCT/CN2016/072199 2015-10-16 2016-01-26 Procédé et appareil d'attribution de bande passante à agrégation de porteuses WO2016184166A1 (fr)

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CN201510672493.8A CN106603208A (zh) 2015-10-16 2015-10-16 载波聚合带宽分配的方法及装置

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CN113163419A (zh) * 2021-02-22 2021-07-23 国网山东省电力公司平邑县供电公司 一种电力系统高速率覆盖网络的资源调度系统

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CN108848536B (zh) * 2018-06-27 2023-06-06 新华三技术有限公司 频宽控制方法、装置及通信设备

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CN101425847A (zh) * 2007-11-01 2009-05-06 富士通株式会社 无线带宽分配方法和无线基站
CN101772087A (zh) * 2008-12-31 2010-07-07 中兴通讯股份有限公司 多载波管理方法
CN102186250A (zh) * 2011-04-26 2011-09-14 北京邮电大学 一种分配成员载波的方法及装置
WO2015016573A1 (fr) * 2013-07-30 2015-02-05 삼성전자 주식회사 Dispositif et procédé pour émettre et recevoir un signal de découverte d'une station de base dans un système de communication mobile

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CN101425847A (zh) * 2007-11-01 2009-05-06 富士通株式会社 无线带宽分配方法和无线基站
CN101772087A (zh) * 2008-12-31 2010-07-07 中兴通讯股份有限公司 多载波管理方法
CN102186250A (zh) * 2011-04-26 2011-09-14 北京邮电大学 一种分配成员载波的方法及装置
WO2015016573A1 (fr) * 2013-07-30 2015-02-05 삼성전자 주식회사 Dispositif et procédé pour émettre et recevoir un signal de découverte d'une station de base dans un système de communication mobile

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113163419A (zh) * 2021-02-22 2021-07-23 国网山东省电力公司平邑县供电公司 一种电力系统高速率覆盖网络的资源调度系统

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