WO2011108896A2 - Procédé pour communiquer des données de station de base voisine dans un système de communications sans fil - Google Patents

Procédé pour communiquer des données de station de base voisine dans un système de communications sans fil Download PDF

Info

Publication number
WO2011108896A2
WO2011108896A2 PCT/KR2011/001529 KR2011001529W WO2011108896A2 WO 2011108896 A2 WO2011108896 A2 WO 2011108896A2 KR 2011001529 W KR2011001529 W KR 2011001529W WO 2011108896 A2 WO2011108896 A2 WO 2011108896A2
Authority
WO
WIPO (PCT)
Prior art keywords
base station
information
neighbor base
index
neighbor
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2011/001529
Other languages
English (en)
Korean (ko)
Other versions
WO2011108896A3 (fr
Inventor
장성철
김은경
차재선
정수정
이현
윤철식
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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 Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to US13/582,925 priority Critical patent/US20120329506A1/en
Priority claimed from KR1020110019652A external-priority patent/KR20110101095A/ko
Publication of WO2011108896A2 publication Critical patent/WO2011108896A2/fr
Publication of WO2011108896A3 publication Critical patent/WO2011108896A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link

Definitions

  • the present invention relates to a wireless communication system, and more particularly, to a method in which a base station transmits information of an adjacent base station to a terminal in a wireless communication system.
  • the serving base station periodically broadcasts a neighbor advertisement message (NBR-ADV) message to the terminal.
  • NBR-ADV neighbor advertisement message
  • the NBR-ADV message contains network attributes for the serving base station and neighbor base stations.
  • the UE may acquire a neighbor BS Index, a Quality of Service (QoS) parameter, and channel information.
  • QoS Quality of Service
  • the NBR-ADV message is divided and broadcasted into a plurality of fragments.
  • the NBR-ADV message contains a Total Fragmentation field indicating the total number of total partitions contained in the NBR-ADV message and a Partition Index field indicating the location of the partition within the NBR-ADV message. do.
  • the terminal may receive as many partitions as the number indicated in the total partition field and sequentially obtain neighbor base station information through the information displayed in the partition index field.
  • the index of the neighbor base station may be determined according to the order of neighbor base station information acquired by the terminal.
  • the terminal and the serving base station can send and receive messages using the index of the neighbor base station.
  • the terminal In order to obtain the index of the neighboring base station, the terminal should receive sequentially from the partition where the partition index field value is 0 in the NBR-ADV message. For example, in order to calculate an index of an adjacent base station in a partition having a partition index field value of 3, the UE needs to sequentially receive all partitions having a partition index field value of 0, 1, and 2 in sequence. have.
  • An object of the present invention is to provide a method for a serving base station to transmit information of a neighbor base station to a terminal in a wireless communication system.
  • Another object of the present invention is to provide a method of obtaining an index of a neighbor base station for transmitting and receiving messages between a terminal and a serving base station.
  • Another object of the present invention is to provide a method of transmitting superframe header information for each carrier in a wireless communication system supporting multiple carriers.
  • a method for acquiring information about a superframe header in a neighbor BS announcement message includes receiving a neighbor BS announcement message in which information about a superframe header is set for each carrier from a serving BS, and the neighbor Acquiring information in the superframe header of each carrier from the base station announcement message for each carrier, and when a predetermined field is set to a specific value in the process of obtaining information on the superframe header of each carrier, the corresponding carrier The information on the superframe header of is obtained using the information on the superframe header of the previous carrier.
  • a method of transmitting a neighbor base station announcement message of a serving base station supporting multiple carriers setting information about a superframe header in the neighbor base station announcement message for each carrier, and setting the neighbor base station announcement message to a terminal. And periodically broadcasting, and in the setting process, when the information on the superframe header of the first carrier is related to the information on the superframe header of the second carrier which is the previous carrier, the predetermined field is set to a specific value. Set to.
  • a method for acquiring an index of a neighbor base station by a terminal includes receiving a neighbor base station announcement message including cell type information, message segment identification information, and at least one neighbor base station information from a serving base station; and And combining the location of the cell type information, the message segment identification information, and the neighbor base station information to form an index of the neighbor base station.
  • a method of obtaining a neighbor base station index of a serving base station comprises the steps of: setting a neighbor base station announcement message including cell type information, message segment identification information, and one or more neighbor base station information; Broadcasting and combining the cell type information, the message segment identification information, and the location of the neighbor base station information to construct an index of the neighbor base station.
  • the terminal may acquire superframe header information for each carrier. And, the base station and the terminal can obtain the index of the neighbor base station without using additional fields in the neighbor base station announcement message.
  • FIG. 1 illustrates an example in which a serving base station transmits a neighbor base station announcement message to a terminal.
  • FIG. 2 is a flowchart illustrating a method of a serving base station transmitting a neighbor base station announcement message to a terminal according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of a serving base station transmitting a neighbor base station announcement message to a terminal according to another embodiment of the present invention.
  • a terminal is a mobile station (MS), a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), a user equipment (User Equipment). It may also refer to a user equipment (UE), an access terminal (AT), and the like, and may include all or some functions of a terminal, a mobile station, a mobile terminal, a subscriber station, a portable subscriber station, a user device, an access terminal, and the like.
  • a base station is an access node (AP), a radio access station (RAS), a radio access station (RAS), a node B (Node B), an advanced node B (evolved NodeB, eNodeB), a base transceiver station (Base Transceiver Station, BTS), MMR (Mobile Multihop Relay) -BS, etc.
  • AP access node
  • RAS radio access station
  • RAS radio access station
  • Node B node B
  • an advanced node B evolved NodeB, eNodeB
  • BTS Base Transceiver Station
  • MMR Mobile Multihop Relay
  • the base station periodically broadcasts a neighbor advertisement message (NBR-ADV) message to inform the terminal of information (topology) on basic network configuration.
  • the NBR-ADV message includes system information about the serving base station and the neighbor base station.
  • the terminal may acquire a neighbor BS Index (QN), a Quality of Service (QoS) parameter, and channel information.
  • QN neighbor BS Index
  • QoS Quality of Service
  • the index of the neighbor base station is identification information of at least one neighbor base station included in the NBR-ADV message, and is used to transmit a message between the terminal and the serving base station. Therefore, the index of the neighbor base station is distinguished from the BSID which is a unique identifier of the neighbor base station.
  • FIG. 1 illustrates an example in which a serving base station transmits a neighbor base station announcement message to a terminal.
  • the serving base station periodically broadcasts an NBR-ADV message to the terminal (S100).
  • the NBR-ADV message may be an AAI_NBR-ADV message divided into a plurality of segments after being classified according to a cell type.
  • Table 1 shows a part of the AAI_NBR-ADV message.
  • the AAI_NBR-ADV message includes a total number of cell type field, a cell type field, a total number of AAI-NBR_ADV segment field, and a segment index. NBR_ADV Segment) field and starting neighboring base station index (Starting ABS Index) field.
  • the cell type may be divided into, for example, a macro cell, a micro cell, a macro hotzone, a femto cell, a relay, and the like.
  • segments having different cell types may be transmitted.
  • the total number of segments field indicates the total number of segments having the same cell type.
  • the segment index field indicates a position or order of a corresponding segment among segments having the same cell type.
  • the start neighbor base station index field indicates the position or order of the start neighbor base station of the segment. That is, cell identifiers of neighbor base stations included in the corresponding segment may be determined according to the starting neighbor base station index field.
  • the terminal calculates an index of a neighbor base station using a cell type field, a total number of segments field, a segment index field, and a start neighbor base station index field (S110).
  • the terminal and the serving base station exchange messages using the indexes of neighboring base stations (S120).
  • the message transmitted and received between the UE and the serving base station is, for example, the serving base station in response to the AAI_SCN-REQ message and the AAI_SCN-REQ message that the terminal transmits to the serving base station for scanning a target base station to be handed over.
  • AAI_SCN-RSP message transmitted to UE AAI_DL-IM broadcast message broadcasted by UE to UE to determine FFR (Fractional Frequency Reuse) and MIMO (Multi Input Multi Output) parameters to UE, Location Based Service ) Is an AAI_LBS-ADV message in which a base station supporting LBS-related configuration information is broadcasted, and an AAI_HO-REQ message in which a terminal requests handover to a serving base station.
  • FFR Fractional Frequency Reuse
  • MIMO Multi Input Multi Output
  • a method of efficiently calculating an index of a neighbor base station without using a starting neighbor base station index field is provided.
  • FIG. 2 is a flowchart illustrating a method of a serving base station transmitting a neighbor base station announcement message to a terminal according to an embodiment of the present invention.
  • the serving base station periodically broadcasts an NBR-ADV message to the terminal (S200).
  • the NBR-ADV message may be divided according to a cell type and then divided into a plurality of segments.
  • the NBR-ADV message includes a total number of cell type field, a cell type field, a total number of AAI-NBR_ADV segment field, and a segment index (AAI-NBR_ADV segment). Contains a field.
  • the NBR-ADV message does not include a starting neighbor base station index (Starting ABS Index) field.
  • the cell type may be divided into, for example, a macro cell, a micro cell, a macro hotzone, a femto cell, a relay, and the like.
  • the total number of segments field indicates the total number of segments having the same cell type.
  • the segment index field indicates a position or order of a corresponding segment among segments having the same cell type.
  • the terminal configures an index of the neighbor base station using the cell type field, the segment index field, and the position of neighboring base station information in the segment (S210).
  • the position of neighboring base station information in a segment means a sequence of a plurality of neighboring base station information included in one segment.
  • the index of the neighbor base station may be configured by a combination of the cell type field, the segment index field, and the position of neighbor base station information in the segment. For example, if the cell type is m, the segment index is n, and the location of neighboring base station information in the segment is k, the index of the neighboring base station is m * n * k, m + n + k, m / n / k. It may be configured in one of the forms. However, this is only an example, and the index of the neighbor base station may be obtained from a function having m, n, and k as factors.
  • the terminal and the serving base station exchange messages using the index of the neighboring base station (S220).
  • the message transmitted and received between the UE and the serving base station is, for example, the serving base station in response to the AAI_SCN-REQ message and the AAI_SCN-REQ message that the terminal transmits to the serving base station for scanning a target base station to be handed over.
  • AAI_SCN-RSP message transmitted to UE AAI_DL-IM broadcast message broadcasted by UE to UE to determine FFR (Fractional Frequency Reuse) and MIMO (Multi Input Multi Output) parameters to UE, Location Based Service ) Is an AAI_LBS-ADV message in which a base station supporting LBS-related configuration information is broadcasted, and an AAI_HO-REQ message in which a terminal requests handover to a serving base station.
  • FFR Fractional Frequency Reuse
  • MIMO Multi Input Multi Output
  • an index of a neighbor base station is composed of a cell type (m) / segment index (n) / a position (k) of neighbor base station information in a segment, and the terminal sends a serving base station of a 3/4/0 neighbor equipment station.
  • the terminal may transmit-/ 4- / 1 after transmitting 3/4/0.
  • -means not to transmit. Accordingly, when the base station receives 3/4/0 and then receives ⁇ / ⁇ / 1, the base station may restore to 3/4/1. Accordingly, the amount of information for message transmission between the terminal and the base station can be reduced.
  • the serving base station transmits the NBR-ADV message in step S100, and may configure the index of the neighboring base station in the same manner as the terminal.
  • the terminal and the serving base station may discuss in advance how to configure the index of the neighbor base station.
  • the terminal since the terminal configures the index of the neighbor base station using the position of the neighbor base station in one segment of the NBR-ADV message, the terminal may construct the index of the neighbor base station even when the previous segment is not successfully received.
  • the NBR-ADV message does not need to include the starting neighbor base station index per segment.
  • Table 2 shows an example of superframe header information configured in an NBR-ADV message in a wireless communication system supporting multicarriers.
  • a method for configuring SFH information in the NBR-ADV message for each carrier is provided.
  • FIG. 3 is a flowchart illustrating a method of a serving base station transmitting a neighbor base station announcement message to a terminal according to another embodiment of the present invention.
  • the serving base station configures SFH information in the NBR-ADV message for each carrier (S300), and periodically broadcasts an NBR-ADV message to the UE (S310).
  • Table 3 shows a part of an NBR-ADV message according to one embodiment of the present invention.
  • the SA-Preamble Index, the A-Preamble transmit power, the Physical Carrier Index, and the MAC protocol version (the SFH information in the NBR-ADV message) MAC Protocol Version) and SFH subpacket (SFH subpkt) information are all set for each carrier.
  • the SFH encoding format (SFH_encoding_format) is set to 0b11
  • the NBR-ADV message may mean that the NBR-ADV message is related to (eg, identical to) the SFH subpacket information of the previous carrier.
  • the UE acquires SFH information in the NBR-ADV message for each carrier (S320). That is, the UE may acquire not only SA-preamble index, A-preamble transmission power, physical carrier index, MAC protocol version, but also SFH subpacket information for each carrier. However, if the SFH encoding format (SFH_encoding_format) in the NBR-ADV message is set to 0b11, it may be interpreted as being related to the SFH subpacket information of the previous carrier.
  • SFH_encoding_format SFH encoding format
  • the serving base station may indicate all SFH information in the NBR-ADV message for each carrier, and the terminal may acquire all SFH information in the NBR-ADV message for each carrier.
  • the embodiments of the present invention described above are not only implemented through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiments of the present invention or a recording medium on which the program is recorded.

Landscapes

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

Abstract

Dans un mode de réalisation, l'invention concerne un procédé aux termes duquel un terminal obtient des données sur des en-têtes de supertrame dans des messages publicitaires de station de base voisine, ledit procédé consistant: à recevoir, d'une station de base de desserte, un message publicitaire de station de base voisine dans lequel les données relatives à des en-têtes de supertrame ont été établies différenciées selon une onde porteuse; et à obtenir, du message publicitaire de la station de base voisine, des données différenciées-onde porteuse relatives aux en-têtes de supertrame des ondes porteuses; et si, pendant l'obtention des données relatives aux en-têtes de supertrame des ondes porteuses, un champ prédéterminé a été établi selon une valeur spécifique, les données relatives à l'en-tête de supertrame de l'onde porteuse pertinente sont obtenues par le biais des données relatives à l'en-tête de supertrame de l'onde porteuse précédente.
PCT/KR2011/001529 2010-03-05 2011-03-04 Procédé pour communiquer des données de station de base voisine dans un système de communications sans fil Ceased WO2011108896A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/582,925 US20120329506A1 (en) 2010-03-05 2011-03-04 Method for transmitting information of neighboring base station in wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0020095 2010-03-05
KR20100020095 2010-03-05
KR10-2011-0019652 2011-03-04
KR1020110019652A KR20110101095A (ko) 2010-03-05 2011-03-04 무선통신 시스템에서 인접 기지국의 정보를 전송하는 방법

Publications (2)

Publication Number Publication Date
WO2011108896A2 true WO2011108896A2 (fr) 2011-09-09
WO2011108896A3 WO2011108896A3 (fr) 2012-01-19

Family

ID=44542749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/001529 Ceased WO2011108896A2 (fr) 2010-03-05 2011-03-04 Procédé pour communiquer des données de station de base voisine dans un système de communications sans fil

Country Status (1)

Country Link
WO (1) WO2011108896A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100724911B1 (ko) * 2004-08-17 2007-06-04 삼성전자주식회사 통신 시스템에서 인접 기지국 정보의 구성과 송수신 방법 및 시스템
KR100617732B1 (ko) * 2004-10-26 2006-08-28 삼성전자주식회사 이동 통신 시스템에서 인접 기지국 광고 메시지 송/수신 방법 및 시스템
KR100630107B1 (ko) * 2004-11-04 2006-09-27 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 인접 기지국 정보의길이 가변적 구성 방법 및 시스템
KR101009776B1 (ko) * 2007-05-21 2011-01-19 삼성전자주식회사 통신 시스템에서 인접 기지국 정보 송수신 시스템 및 방법

Also Published As

Publication number Publication date
WO2011108896A3 (fr) 2012-01-19

Similar Documents

Publication Publication Date Title
JP6780075B2 (ja) ワイヤレス通信システムにおけるエネルギー効率の良いユニキャット及びマルチキャスト伝送のための方法
US12495338B2 (en) Mobile communications network, communications device, infrastructure equipment and methods
RU2492595C2 (ru) Способ, устройство и компьютерный программный продукт для сигнализации о назначении субкадров соседних сот
WO2011142579A2 (fr) Appareil et procédé permettant d'établir une relation de communication
WO2010126296A2 (fr) Procédé et appareil de gestion d'informations d'historique d'équipement d'utilisateur dans un réseau de communication sans fil
US20140242985A1 (en) Active scanning in wireless network
WO2017204559A1 (fr) Fourniture d'informations de système
RU2341899C1 (ru) Способ сжатия информации управления в системе беспроводной связи
WO2011122861A2 (fr) Procédé de fourniture d'informations permettant la coexistence de différents types de points d'accès
WO2014158006A1 (fr) Procédé et appareil pour l'établissement d'une communication de dispositif à dispositif
WO2009088263A2 (fr) Procédé de traitement par balayage actif pour la mise en place d'un réseau maillé
CN101569226A (zh) 用于无线网络系统中网络发现和选择的方法和系统
KR101755022B1 (ko) 기지국, 이동국, 페이징 메시지 전송 방법, 그리고 페이징 메시지의 수신 방법
CN101572909A (zh) 无线通信方法及装置
WO2012141406A1 (fr) Procédé de réglage de préfixe cyclique et terminal destiné à le mettre en œuvre
WO2011062439A2 (fr) Procédé et appareil d'allocation d'informations de femtocellules pour transfert dans un système de communication sans fil
WO2009088262A2 (fr) Procédé de commutation de canaux dans un réseau maillé
WO2011055870A1 (fr) Procédé de fonctionnement et appareil de relais et station de base
WO2010085080A2 (fr) Procédé d'exécution d'un transfert intercellulaire dans un système de communication mobile
WO2011074856A2 (fr) Procédé et appareil de prise en charge d'un transfert intercellulaire dans un système de communication à accès sans fil à large bande
WO2016064230A1 (fr) Procédé et appareil pour l'interfonctionnement d'un réseau local sans fil selon la cellule occupée à ce moment
WO2016137198A1 (fr) Procédé d'association pour une transmission de données dans un système de communication sans fil et dispositif l'utilisant
WO2013062188A1 (fr) Procédé de répartition de la charge de réseau entre des réseaux hétérogènes
WO2018174547A1 (fr) Procédé et appareil pour effectuer une mesure
WO2009157643A2 (fr) Procédé de recherche de femtocellule pour transfert intercellulaire d'une macrocellule vers une femtocellule

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 13582925

Country of ref document: US

122 Ep: pct application non-entry in european phase

Ref document number: 11750953

Country of ref document: EP

Kind code of ref document: A2