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WO2010027216A1 - Appareil et procédé de transmission de données, et appareil et procédé de réception de données dans un système de communication à porteuses multiples - Google Patents

Appareil et procédé de transmission de données, et appareil et procédé de réception de données dans un système de communication à porteuses multiples Download PDF

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Publication number
WO2010027216A1
WO2010027216A1 PCT/KR2009/005017 KR2009005017W WO2010027216A1 WO 2010027216 A1 WO2010027216 A1 WO 2010027216A1 KR 2009005017 W KR2009005017 W KR 2009005017W WO 2010027216 A1 WO2010027216 A1 WO 2010027216A1
Authority
WO
WIPO (PCT)
Prior art keywords
carriers
data
terminal
information
priority
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/KR2009/005017
Other languages
English (en)
Inventor
Sook Jin Lee
Kyung Soo Kim
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
Samsung Electronics Co Ltd
Original Assignee
Electronics and Telecommunications Research Institute ETRI
Samsung Electronics Co Ltd
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
Priority claimed from KR1020090072138A external-priority patent/KR101199572B1/ko
Application filed by Electronics and Telecommunications Research Institute ETRI, Samsung Electronics Co Ltd filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to US13/062,079 priority Critical patent/US8918131B2/en
Publication of WO2010027216A1 publication Critical patent/WO2010027216A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types
    • 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
    • H04L5/0058—Allocation criteria
    • 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 an apparatus and a method for transmitting data and an apparatus and a method for receiving data of multi-carrier communication system.
  • a communication system supports a multi-carrier for extending transmission capacity.
  • a non- arrangement phenomenon of a protocol data unit (PDU) that does not occur in a single-carrier may occur.
  • the PDU should be re-arranged in order to solve the non- arrangement phenomenon.
  • SN sequence number
  • the present invention has been made in an effort to provide an apparatus and a method for managing a multi-carrier having an advantage of remedying a waste of wireless resources.
  • a first embodiment of the present invention provides a method for transmitting data to a terminal in a base station of a communication system supporting multi-carriers.
  • the method for transmitting data includes: determining a priority of the multi-carriers; transmitting information on the priority to the terminal; and allocating the data to at least one carrier of the multi-carriers in accordance with the priority and transmitting the data to the terminal.
  • a second embodiment of the present invention provides a method for receiving data in a terminal of a communication system supporting multi-carriers.
  • the data receiving method includes: receiving information on a priority of the multi-carriers from a base station; receiving data transmitted through the multi-carriers; and arranging the received data in accordance with the information on the priority.
  • a third embodiment of the present invention provides an apparatus for receiving data in a communication system supporting multi-carriers.
  • the data receiving apparatus includes: a physical layer processor that receives data transmitted through the multi- carriers from a base station; and a medium access control layer processor that arranges the received data in accordance with the priority of the multi-carriers.
  • the physical layer processor receives the information on the priority of the multi-carriers from the base station in call connection.
  • the medium access control layer processor arranges the received data in accordance with a priority of the multi-carriers.
  • a fourth embodiment of the present invention provides an apparatus for transmitting data in a communication system supporting multi-carriers.
  • the data transmitting apparatus includes a priority determiner, a data allocator, and a transmitter.
  • the priority determiner determines a priority of the multi-carriers.
  • the data allocator allocates the data to the multi-carriers in accordance with the priority.
  • the transmitter transmits information on the priority to the terminal in call connection and transmits the data to the terminal through the multi-carriers.
  • a sequence number may not be inserted into all data at the time of rearranging the data, thereby remedying a waste phenomenon of wireless resources.
  • whether or not the data is allocated to the multi-carrier can be expressed by a bitmap at the time of configuring a downlink map information component in a downlink map (DL MAP) message, thereby increasing an allocation amount of the wireless resources for the data.
  • DL MAP downlink map
  • FIG. 1 is a schematic diagram illustrating a wireless communication system that supports a multi-carrier according to an embodiment of the present invention
  • FIG. 2 is a diagram illustrating a multi-carrier
  • FIG. 3 is a diagram illustrating a method in which a base station notifies information on a priority of a multi-carrier to a terminal according to an embodiment of the present invention
  • FIG. 4 is a diagram illustrating information on a priority in an SBC-REQ message
  • FIG. 5 is a diagram illustrating a method for transmitting data in a base station according to an embodiment of the present invention
  • FIG. 6 is a diagram illustrating a terminal according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating a base station according to an embodiment of the present invention. Mode for the Invention
  • a terminal may designate a mobile station (MS), a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), user equipment (UE), an access terminal (AT), etc., and may include the entire or partial functions of the terminal, the mobile terminal, the subscriber station, the portable subscriber station, the user equipment, the access terminal, etc.
  • MS mobile station
  • MT mobile terminal
  • SS subscriber station
  • PSS portable subscriber station
  • UE user equipment
  • AT access terminal
  • a base station may designate an access point (AP), a radio access station (RAS), a node B, an evolved node B (eNodeB), a base transceiver station (BTS), a mobile multihop relay (MMR)-BS, etc., and may include the entire or partial functions of the access point, the radio access station, the node B, the evolved node B, the base transceiver station, the MMR-BS, etc.
  • AP access point
  • RAS radio access station
  • eNodeB evolved node B
  • BTS base transceiver station
  • MMR mobile multihop relay
  • FIG. 1 is a schematic diagram illustrating a wireless communication system that supports a multi-carrier according to an embodiment of the present invention
  • FIG. 2 is a diagram illustrating a multi-carrier.
  • the terminal 10 as an end point of a wireless channel, supports multi-carriers FO to
  • the terminal 10 communicates with the base station 20 by using the multi-carriers FO to Fn having the frequency bands RFC to RFCn.
  • One carrier of the multi-carriers FO to Fn is set as a primary carrier and the remaining carriers are set as secondary carriers.
  • the primary carrier is a carrier for transmitting and receiving various control information and data between the terminal 10 and the base station 20, and the subcarrier is an additional subcarrier used for transmitting and receiving the data in a state in which the terminal 10 transmits and receives the control information through the primary carrier.
  • the terminal 10 receives priority information of the multi-carriers FO to Fn from the base station 20 in call connection. Thereafter, when the terminal 10 receives the data from the base station 20, the terminal 10 receives data of each of the multi-carriers FO to Fn in accordance with the priority information of the multi-carriers FO to Fn.
  • the base station 20 communicates with the terminal 10 that is positioned in a cell area, and manages the multi-carriers FO to Fn that are supported by the terminal 10.
  • the base station 20 determines the priority of the multi-carriers FO to Fn that are supported by the terminal 10 in the call connection, and notifies the priority information of the multi-carriers FO to Fn to the terminal 10. Thereafter, the base station 20 transmits the data to the terminal through each of the carriers FO to Fn by allocating the data to each of the carriers FO to Fn in accordance with the priority of the multi- carriers FO to Fn when data to be transmitted to the terminal is present.
  • FIG. 3 is a diagram illustrating a method in which a base station notifies information on a priority of a multi-carrier to a terminal according to an embodiment of the present invention
  • FIG. 4 is a diagram illustrating information on a priority in an SBC- REQ message.
  • the terminal 10 transmits a ranging request (RNG-REQ) message including an indicator that indicates whether or not the terminal 10 itself is the terminal that supports the multi-carriers to the base station 20.
  • RNG-REQ ranging request
  • the base station 20 transmits a ranging response (RNG-RSP) message including information of the multi-carriers that the terminal 10 can use in response to the RNG- REQ message to the terminal 10.
  • RNG-RSP ranging response
  • the terminal 10 that receives the RNG-RSP message sets one carrier of the multi- carriers that are usable by the terminal 10 as the primary carrier, and sets the remaining carriers as secondary carriers. Thereafter, the terminal 10 transmits a subscriber station's basic capability negotiation request (SBC-REQ) message including information of the primary carrier and the secondary carrier to the base station 20.
  • the SBC-REQ is a medium access control (MAC) message that the terminal 10 transmits to negotiate a basic capability with the base station 20.
  • the SBC-REQ includes information on modulation and coding that can be supported by the terminal 10.
  • the base station 20 transmits the subscriber station's basic capability negotiation response (SBC-RSP) message including the priority of the multi-carriers determined in response to the SBC-REQ message to the terminal 10.
  • SBC-RSP subscriber station's basic capability negotiation response
  • the priority of the multi-carriers depending on an identifier (FAID) of each carrier of the multi-carriers may be included in the SBC-RSP message in the form of a table.
  • the carriers have higher priorities in the order of the carriers having identifiers (FAID) of "0", "3, "2", and "1".
  • the terminal 10 sequentially receives the data of each carrier transmitted by the base station 20 on the basis of the information on the priority of the multi-carriers, and arranges the received data and transmits it to an upper layer.
  • the base station 20 transmits the priority of the multi-carriers to the terminal 10 by using the messages transmitted and received between the terminal 10 and the base station 20 in the call connection.
  • FIG. 5 is a diagram illustrating a method for transmitting data in a base station according to an embodiment of the present invention.
  • the base station 20 allocates the data to at least one carrier of multi-carriers FO to Fn in accordance with the priority of the multi-carriers (S520), and transmits resource allocation information that is included in a downlink map (DL MAP) message to the terminal 10 through a primary carrier (S530).
  • the resource allocation information includes information on a carrier to which the data is allocated. Contrary to this, the downlink map (DL MAP) message can be transmitted to the terminal 10 even through the primary carrier and secondary carriers.
  • a base station 20 sets a bitmap (MC bitmap) indicating whether or not data is allocated to each of multi-carriers at the time of configuring a downlink map information element (DL_MAP_IE) in a downlink map (DL MAP) message, and expresses whether or not the data is allocated to each carrier in the bitmap in a bit.
  • the carrier allocated with the data is expressed as " 1 " and the carrier unallocated with the data is expressed as "0", and the carriers may be expressed in the reverse manner.
  • the bitmap (MC bitmap) can be set as "1010".
  • the base station 20 transmits the data through each carrier (S540).
  • the terminal 10 sequentially receive the data in accordance with the priority of the multi-carriers in the corresponding carrier by using the resource allocation information after receiving the downlink map (DL MAP) message (S550 to S560). At this time, when the downlink map (DL MAP) message is transmitted through the primary carrier and the secondary carriers, the terminal 10 can receive and process the downlink map (DL MAP) message in accordance with the priority of the multi-carriers.
  • DL MAP downlink map
  • the terminal 10 transmits an acknowledge response (ACK) to the base station 20, and when the terminal 10 fails in receiving the data, the terminal 10 transmits a non- acknowledge response (NACK) to the base station 20 (S570).
  • ACK acknowledge response
  • NACK non- acknowledge response
  • FIG. 6 is a diagram illustrating a terminal according to an embodiment of the present invention.
  • a data receiving apparatus of the terminal 10 includes a physical layer processor 12 and a medium access control layer processor 14.
  • the physical layer processor 12 receives the SBC-RSP message from the base station
  • the physical layer processor 12 receives the downlink map (DL MAP) message to acquire information on the carrier allocated with the data. Thereafter, when the base station 20 transmits the data, the physical layer processor 12 sequentially receives the data in the corresponding carrier in accordance with the priority of the multi-carriers on the basis of the information on the carrier allocated with the data, and stores the received data in each carrier buffer (not shown). Further, the physical layer processor 14 sequentially transmits the data stored in each carrier buffer (not shown) to the medium access control layer processor 14 in accordance with the priority of the multi- carriers.
  • the medium access control layer processor 14 receives the data sequentially transmitted from the physical layer processor 12, and arranges the received data and transmits the data to an upper layer.
  • FIG. 7 is a diagram illustrating a base station according to an embodiment of the present invention.
  • a data transmitting apparatus of the base station 20 includes a priority determiner 22, a data allocator 24, and a transmitter 26.
  • the priority determiner 22 determines the priority of the multi-carriers supported by the terminal 10.
  • the terminal 10 measures channel quality information of each carrier, and reports the channel quality information of each carrier to the base station 20 at a predetermined cycle.
  • the channel quality information may include a received signal strength indicator (RSSI) or a carrier to interface ratio (CINR).
  • RSSI received signal strength indicator
  • CINR carrier to interface ratio
  • the priority determiner 22 can determine the priority of the multi-carriers through the channel quality information of the multi-carriers, which is reported from the terminal 10. Further, the priority determiner 22 may determine the priority of the multi-carriers by using a different method from the above-mentioned method.
  • the data allocator 24 allocates the data to the corresponding carrier in accordance with the priority of the multi-carriers, and sets whether the data is allocated to each carrier of the multi-carriers in the downlink map (DL MAP) message.
  • DL MAP downlink map
  • the transmitter 26 transmits the downlink map (DL MAP) message through the primary carrier and transmits the data to the terminal 10 through the corresponding carrier. Further, the transmitter 26 transmits the information on the priority of the multi-carriers and the information on the carrier allocated with the data to the terminal 10.
  • DL MAP downlink map
  • the above-mentioned exemplary embodiments of the present invention are not embodied only by a apparatus and/or method.
  • the above-mentioned exemplary embodiments may be embodied by a program performing functions that correspond to the configuration of the exemplary embodiments of the present invention, or a recording medium on which the program is recorded.

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

Abstract

La présente invention concerne un appareil permettant de transmettre des données dans un système de communication prenant en charge plusieurs porteuses. L'appareil détermine la priorité des porteuses multiples et transmet des informations sur la priorité à un terminal. Ensuite, l'appareil de transmission attribue des données aux porteuses multiples en fonction de la priorité et transmet les données attribuées à un appareil de réception de données. L'appareil de réception de données reçoit les données à transmettre en provenance de l'appareil de transmission de données en fonction des informations sur la priorité.
PCT/KR2009/005017 2008-09-05 2009-09-04 Appareil et procédé de transmission de données, et appareil et procédé de réception de données dans un système de communication à porteuses multiples Ceased WO2010027216A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/062,079 US8918131B2 (en) 2008-09-05 2009-09-04 Apparatus and method for transmitting data and apparatus and method for receiving data of multi-carrier communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2008-0087923 2008-09-05
KR20080087923 2008-09-05
KR1020090072138A KR101199572B1 (ko) 2008-09-05 2009-08-05 다중 반송파 통신 시스템의 데이터 송신 장치 및 방법과 데이터 수신 방법 및 장치
KR10-2009-0072138 2009-08-05

Publications (1)

Publication Number Publication Date
WO2010027216A1 true WO2010027216A1 (fr) 2010-03-11

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Application Number Title Priority Date Filing Date
PCT/KR2009/005017 Ceased WO2010027216A1 (fr) 2008-09-05 2009-09-04 Appareil et procédé de transmission de données, et appareil et procédé de réception de données dans un système de communication à porteuses multiples

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WO (1) WO2010027216A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631966A (zh) * 2017-03-20 2018-10-09 华为技术有限公司 数据传输的方法和装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030135632A1 (en) * 2001-12-13 2003-07-17 Sophie Vrzic Priority scheduler
US20050135312A1 (en) * 2003-12-17 2005-06-23 Juan Montojo Apparatus and method for prioritized apportionment of transmission power in a multi-carrier terminal
US20070218913A1 (en) * 2006-03-16 2007-09-20 Futurewei Technologies Priority and load combination based carrier assignment in a multi-carrier wireless communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030135632A1 (en) * 2001-12-13 2003-07-17 Sophie Vrzic Priority scheduler
US20050135312A1 (en) * 2003-12-17 2005-06-23 Juan Montojo Apparatus and method for prioritized apportionment of transmission power in a multi-carrier terminal
WO2005062492A1 (fr) * 2003-12-17 2005-07-07 Qualcomm Incorporated Appareil et procede pour repartir une puissance de transmission dans un terminal multisupports
US20070218913A1 (en) * 2006-03-16 2007-09-20 Futurewei Technologies Priority and load combination based carrier assignment in a multi-carrier wireless communication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631966A (zh) * 2017-03-20 2018-10-09 华为技术有限公司 数据传输的方法和装置
CN108631966B (zh) * 2017-03-20 2020-07-28 华为技术有限公司 数据传输的方法和装置

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