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WO2010051655A1 - Procédé, station de base et station mobile destinés à recevoir des trames ayant des sous-trames de données de services de multidiffusion et de diffusion multimédia mappées - Google Patents

Procédé, station de base et station mobile destinés à recevoir des trames ayant des sous-trames de données de services de multidiffusion et de diffusion multimédia mappées Download PDF

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Publication number
WO2010051655A1
WO2010051655A1 PCT/CN2008/001855 CN2008001855W WO2010051655A1 WO 2010051655 A1 WO2010051655 A1 WO 2010051655A1 CN 2008001855 W CN2008001855 W CN 2008001855W WO 2010051655 A1 WO2010051655 A1 WO 2010051655A1
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WO
WIPO (PCT)
Prior art keywords
sequence
frames
base station
frame
mapped
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/CN2008/001855
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English (en)
Chinese (zh)
Inventor
汪勇刚
陈宇
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.)
Nokia Shanghai Bell Co Ltd
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent Shanghai Bell Co Ltd
Alcatel Lucent SAS
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 Alcatel Lucent Shanghai Bell Co Ltd, Alcatel Lucent SAS filed Critical Alcatel Lucent Shanghai Bell Co Ltd
Priority to PCT/CN2008/001855 priority Critical patent/WO2010051655A1/fr
Priority to CN200880130945.8A priority patent/CN102144412B/zh
Publication of WO2010051655A1 publication Critical patent/WO2010051655A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

Definitions

  • the present invention relates to the field of mobile communications, and more particularly to a method, a base station, and a mobile station for receiving a frame mapped with an MBMS (Multimedia Broadcast Multicast Service) data sub-frame from a base station by a mobile station, capable of moving from a base station to a mobile station
  • the station transmits signaling indicating a sequence of position numbers in a frame sequence consisting of a specific number of frames with a plurality of signaling resources mapped with less signaling resources, thereby saving radio resources.
  • MBMS Multimedia Broadcast Multicast Service
  • the "micro level" of sub-frame allocation all MBSFNs containing frames have the same amount of hall SFN subframes for a duration of 1 frame period.
  • the subframe will be continuously allocated in the frame (TDD (Time Division Duplex) continuous DL (downlink) subframe). That is, there is continuity between the allocated subframes (for example, there are no 0, 4, 5 subframes for FDD (Frequency Division Duplex), and no UL (uplink) subframe for TDD).
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • uplink uplink subframe for TDD
  • macro level allocation involves allocating a plurality of frames mapped with MBMS service data sub-frames in a sequence of frames consisting of a specific number of frames.
  • mapping of physical frames must be dispersed as much as possible, that is, the frames allocated with the MBMS service data sub-frames are fully dispersed in time to facilitate channel measurement, scheduling, and retransmission of unicast services;
  • a 32-bit map in 320 ms that is, a 32-bit map indicates that a plurality of frames mapped with MBMS service data sub-frames are in a certain number of frames.
  • a sequence of position numbers in the constructed frame sequence The goal is that any combination of any number of MBSFN (Multicast Broadcast Single Frequency Network) radio frames and MBSFN radio frames is feasible, thereby avoiding the organization of MBSFN areas and the reorganization of MBMS service scheduling.
  • SIB1 system information block 1 (repeated every 80ms)
  • SIB1 system information block 1 (repeated every 80ms)
  • the 32-bit may be costly, and a 10-bit secondary flexibility scheme is proposed in the present application as described below.
  • Another prior art solution involves a 2N scheme in which only six radio frames such as 1, 2, 4, 8, 16 or 32 can be allocated to the MBSFN.
  • the first value indicates that each radio frame includes an MBSFN subframe; the second value indicates that one frame per MB frame includes MBSFN, and the third value indicates that one frame per four radio frames includes MBSFN, and so on, such as Figure 1 shows.
  • Table 1 Impact of adding MBSFN subframes to increase MBSFN bandwidth
  • the present invention has been made in order to overcome the above disadvantages of the prior art. Accordingly, it is an object of the present invention to provide a method, a base station, and a mobile station that receive a frame mapped with an MBMS data subframe from a base station by a mobile station, and can transmit a representation from the base station to the mobile station with less signaling resources.
  • the plurality of frames of the MBMS service data subframe are signaled by a sequence of position numbers in a sequence of frames consisting of a specific number of frames, thereby saving radio resources.
  • a mobile broadcast multicast service is received by a mobile station from a base station.
  • the method for the frame of the MBMS data subframe includes: the base station acquires, from the network control end, a sequence of position numbers of a plurality of frames mapped with the MBMS service data subframe in a frame sequence consisting of a specific number of frames; and the base station processes the acquired location
  • the numbering sequence is such that the location number in the sequence of location numbers is signaled in as continuous a manner as possible and the signaling is communicated to the mobile station; the base station transmits the sequence of frames to the mobile station, and the mobile station transmits according to the slave base station
  • the signaling determines a frame mapped with an MBMS service data subframe from the received sequence of frames.
  • the base station processes the acquired sequence of location numbers to make the location in the sequence of location numbers
  • the 2008/001855 numbering step of signaling in as continuous a manner as possible comprises: the base station converting the sequence of position numbers into a sequence of consecutive position numbers from a minimum position number to a maximum position number, and a sequence of consecutive position numbers to be converted Expressed in the binary bit signaling.
  • the binary bit signaling is composed of a continuous bit amount and a bit offset
  • the bit offset indicates a starting position number of the frame in which the MBMS service data subframe is mapped in the frame sequence, and a continuous bit amount. Indicates the number of consecutive mappings of the MBMS service data subframe from the start position number.
  • the step of the base station processing the acquired location number sequence to signal the location number in the location number sequence in a continuous manner as possible comprises: the base station consecutively one or more of the acquired location number sequences
  • the location number subsequence and one or more discrete location numbers are each represented by respective respective binary bit signaling.
  • each of the respective respective binary bit signalings is composed of a continuous bit amount and a bit offset, and the bit offset indicates that a frame mapped with the MBMS service data subframe is in the frame sequence.
  • the start position number, and the continuous bit amount indicate the number of consecutively mapped frames of the MBMS service data sub-frame from the start position number.
  • the sequence of frames transmitted by the base station to the mobile station is interleaved, and wherein the mobile station determines that the MBMS is mapped from the received sequence of frames according to the signaling transmitted from the base station.
  • the step of the frame of the service data subframe includes: the base station transmitting the mapping information of the interleaving process to the mobile station; and the mobile station obtaining, according to the received mapping information of the interleaving process, the frame of each position number in the frame sequence after the interleaving process a location map; the mobile station determines a frame to which the MBMS service data subframe is mapped from the received sequence of frames based on the signaling transmitted from the base station and the location map.
  • the method is suitable for a multicast broadcast single frequency network MBSFN.
  • a base station including: an obtaining apparatus, configured to acquire, from a network control end, a sequence of position numbers in a frame sequence consisting of a specific number of frames of a plurality of frames mapped with MBMS service data subframes And a processing device, configured to process the acquired sequence of location numbers such that the location numbers in the sequence of location numbers are signaled in as continuous a manner as possible, and the transmitting device transmits the signaling to the mobile station.
  • the base station further includes: an interleaving device, configured to perform interleaving processing on the frame sequence; and wherein the transmitting device sends the interleaved frame sequence and the interleaved processing mapping information to the mobile station
  • the processing device converts the sequence of position numbers into a number from a minimum position to a maximum A sequence of consecutive position numbers of position numbers, and a sequence of consecutive position numbers converted to be represented by the binary bit signaling.
  • the binary bit signaling is composed of a continuous bit amount and a bit offset
  • the bit offset indicates a starting position number of the frame in which the MBMS service data subframe is mapped in the frame sequence, and a continuous bit amount. Indicates the number of consecutive mappings of the MBMS service data subframe from the start position number.
  • the processing means respectively represents one or more consecutive position number subsequences and one or more discrete position numbers in the acquired sequence of position numbers by respective corresponding two-bit bit signals.
  • each of the respective respective binary bit signalings is composed of a continuous bit amount and a bit offset, and the bit offset indicates that a frame mapped with the MBMS service data subframe is in the frame sequence.
  • the start position number, and the continuous bit amount indicate the number of consecutively mapped frames of the MBMS service data sub-frame from the start position number.
  • the base station is located in a multicast broadcast single frequency network MBSFN.
  • a mobile station comprising: receiving means, receiving a sequence of frames from a base station, and representing a plurality of frames mapped with MBMS service data sub-frames in a continuous manner as possible by a specific number of frames Signaling of the location number sequence in the sequence of frames; and determining means for determining a frame to which the MBMS service data subframe is mapped from the received sequence of frames based on the received signaling.
  • the mobile station further includes: an obtaining device, configured to obtain, according to the mapping information of the interleaving process received from the base station, a location map of the frame of each location number in the frame sequence after the interleaving process; and wherein the receiving device
  • the mapping information of the interleaving process is received from the base station, and the determining means determines, from the received frame sequence, a frame to which the MBMS service data subframe is mapped, according to the received signaling and the location map.
  • the mobile station is located in a multicast broadcast single frequency network MBSFN.
  • MBSFN multicast broadcast single frequency network
  • Figure 1 is a schematic illustration of a prior art 2" N solution
  • FIG. 2 is a schematic diagram showing an example of a layout of an MBSFN to which the present invention is applied;
  • FIG. 3 is a frame for receiving, by a mobile station, a subframe in which an MBMS data subframe is mapped, according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of interleaving a sequence of frames according to an embodiment of the present invention.
  • Figure 5 is a block diagram of a base station according to an embodiment of the present invention.
  • FIG. 6 is a block diagram of a mobile station in accordance with an embodiment of the present invention. detailed description
  • the present invention relates to macro level allocation and proposes a 10-bit secondary flexibility scheme for signaling transfer between a base station and a mobile station, as will be described in detail later.
  • Fig. 2 is a schematic diagram showing an example of the layout of the MBSFN to which the present invention is applied.
  • the MBSFN network to which the present invention is applied includes a plurality of single frequency network areas SFA1 to SFA7, and a plurality of single frequency network areas overlap each other, and each single frequency network area is composed of one or more base stations (not shown). To cover, and a plurality of mutually disjoint areas a to 1 are formed. There is a network controller (not shown) in the MBSFN network for overall control of devices (including base stations) in the network.
  • FIG. 3 is a flow diagram of a method for receiving, by a mobile station, a frame mapped with an MBMS data sub-frame from a base station in accordance with an embodiment of the present invention.
  • a base station acquires, from a network control terminal, a plurality of frames mapped with MBMS service data subframes, which are composed of a specific number of frames. A sequence of position numbers in a sequence of frames.
  • the base station processes the acquired sequence of location numbers to cause the location numbers in the sequence of location numbers to be signaled in as continuous a manner as possible and to communicate the signaling to a mobile station (e.g., a mobile station in area a) .
  • the base station performs interleaving processing on the frame.
  • the base station transmits the interleaved frame sequence and the interleaved mapping information to the mobile station.
  • the mobile station receives the interleaved frame sequence transmitted by the base station and the mapping information of the interleaving process, and obtains the frame sequence of the frame of each position number after the interleaving process according to the received mapping information of the interleaving process.
  • Location map in .
  • the mobile station determines a frame to which the MBMS service data subframe is mapped from the received frame sequence based on the signal transmitted from the base station and the location map.
  • Table 2 the first scheme in which the base station processes the acquired location number sequence and is signaled is shown in Table 2.
  • the full flexibility column in Table 2 reflects the location number of a base station (e.g., a base station in area a) that is obtained from a network control end and has a plurality of frames mapped with MBMS service data sub-frames in a sequence of frames consisting of a specific number of frames.
  • the sequence and the second flexibility column reflect the sequence of position numbers processed by the base station and its binary bit signaling representation.
  • the base station converts the sequence of position numbers into a sequence of consecutive position numbers from the minimum position number to the maximum position number, and the converted sequence of consecutive position numbers is represented by the binary bit signal.
  • the binary bit signaling consists of a continuous bit amount and a bit offset, the bit offset indicating a starting position number of a frame in which the MBMS service data subframe is mapped in the frame sequence, and a continuous bit amount indicating The consecutive mapping starting from the start position number has the number of frames of the MBMS service data subframe.
  • the continuous bit amount and the bit offset may be represented by 5 bits, respectively.
  • a special bit string 11 1 11, 1 111 1 indicates that the entire 32 frames are allocated.
  • signaling 00101, 01000, the amount of allocated frames is 5, and the starting frame is 8.
  • Table 3 the second scheme in which the base station processes the acquired location number sequence and is signaled is shown in Table 3.
  • the base station expresses one or more consecutive position number subsequences and one or more discrete position numbers in the acquired position number sequence, respectively, in respective respective binary bit signalings.
  • the base station of area a denotes a discrete position number 1 with a binary bit signalling 00001, 00000, and the remaining two consecutive position number subsequences 4 and 5 are represented by a binary bit signal 00010, 00011. .
  • each of the respective said binary bit signaling is similar to the representation of the binary bit signaling of Table 2.
  • Table 3 shows a schematic diagram of interleaving a sequence of frames.
  • FIG. 5 is a block diagram of a base station in accordance with an embodiment of the present invention.
  • the base station includes: an obtaining means 501, a processing means 503, an interleaving means 505, and a transmitting means 507.
  • the obtaining means 501 acquires, from the network control terminal, a sequence of position numbers of a plurality of frames mapped with MBMS service data sub-frames in a frame sequence composed of a specific number of frames.
  • Processing device 503 processes the sequence of location numbers obtained to cause the location numbers in the sequence of location numbers to be signaled in as continuous a manner as possible.
  • the interleaving unit 505 performs interleaving processing on the frame sequence.
  • the transmitting device 507 transmits the signaling to the mobile station, and transmits the interleaved frame sequence and the interleaved mapping information to the mobile station.
  • Figure 6 is a block diagram of a mobile station in accordance with an embodiment of the present invention.
  • the mobile station includes: a receiving device 601, an obtaining device 603, and a determining device 605.
  • the receiving device 601 receives the frame sequence from the base station, and indicates, as far as possible, the signaling of the position number sequence of the plurality of frames mapped with the MBMS service data subframe in the frame sequence composed of the specific number of frames, and the interleaving process. Map information.
  • the obtaining means 603 obtains a position map in the frame sequence after the interleaving process of the frames of the respective position numbers based on the mapping information of the interleaving process received from the base station.
  • the determining means 605 determines, from the received sequence of frames, a frame to which the MBMS service data subframe is mapped, based on the received signaling and the location map.

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

Abstract

L'invention concerne un procédé pour une station mobile (MS) destinée à recevoir les trames ayant des sous-trames de données de service de multidiffusion et de diffusion multimédia (MBMS) mappées à partir d'une station de base (BS). Dans le procédé, la BS acquiert, à partir d'une extrémité de contrôle de réseau, la séquence de numéros d'emplacement des trames multiples ayant des sous-trames de données MBMS mappées dans la séquence de trames composée d'un nombre spécifique de trames; la BS traite la séquence de numéros d'emplacement acquise pour permettre aux numéros d'emplacement dans la séquence de numéros d'emplacement d'être indiqués avec la signalisation de manière aussi consécutive que possible et achemine la signalisation à la MS; la BS envoie la séquence de trames à la MS et la MS détermine, à partir de la séquence de trames reçue, les trames ayant des sous-trames de données MBMS mappées conformément à la signalisation acheminée par la BS.
PCT/CN2008/001855 2008-11-07 2008-11-07 Procédé, station de base et station mobile destinés à recevoir des trames ayant des sous-trames de données de services de multidiffusion et de diffusion multimédia mappées Ceased WO2010051655A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2008/001855 WO2010051655A1 (fr) 2008-11-07 2008-11-07 Procédé, station de base et station mobile destinés à recevoir des trames ayant des sous-trames de données de services de multidiffusion et de diffusion multimédia mappées
CN200880130945.8A CN102144412B (zh) 2008-11-07 2008-11-07 接收映射有mbms数据子帧的帧的方法、基站和移动台

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2008/001855 WO2010051655A1 (fr) 2008-11-07 2008-11-07 Procédé, station de base et station mobile destinés à recevoir des trames ayant des sous-trames de données de services de multidiffusion et de diffusion multimédia mappées

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WO2010051655A1 true WO2010051655A1 (fr) 2010-05-14

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CN (1) CN102144412B (fr)
WO (1) WO2010051655A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1710990A (zh) * 2004-06-18 2005-12-21 松下电器产业株式会社 在通信系统中通知坐标的循环发送
CN101123472A (zh) * 2006-08-09 2008-02-13 华为技术有限公司 一种多媒体广播多播业务数据传输方法、网络设备和终端设备
CN101247551A (zh) * 2007-02-12 2008-08-20 华为技术有限公司 一种业务时分复用方法及装置
WO2008118064A2 (fr) * 2007-03-28 2008-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Mesure de symboles de références spécifiques à une cellule en présence de transmissions mbms de réseau à fréquence unique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1710990A (zh) * 2004-06-18 2005-12-21 松下电器产业株式会社 在通信系统中通知坐标的循环发送
CN101123472A (zh) * 2006-08-09 2008-02-13 华为技术有限公司 一种多媒体广播多播业务数据传输方法、网络设备和终端设备
CN101247551A (zh) * 2007-02-12 2008-08-20 华为技术有限公司 一种业务时分复用方法及装置
WO2008118064A2 (fr) * 2007-03-28 2008-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Mesure de symboles de références spécifiques à une cellule en présence de transmissions mbms de réseau à fréquence unique

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Publication number Publication date
CN102144412A (zh) 2011-08-03
CN102144412B (zh) 2014-06-18

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