WO2011015085A1 - Procédé et dispositif pour générer un message de protocole d’accès au support(map) de liaison descendante(dl)/liaison montante(ul) - Google Patents

Procédé et dispositif pour générer un message de protocole d’accès au support(map) de liaison descendante(dl)/liaison montante(ul) Download PDF

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Publication number
WO2011015085A1
WO2011015085A1 PCT/CN2010/073845 CN2010073845W WO2011015085A1 WO 2011015085 A1 WO2011015085 A1 WO 2011015085A1 CN 2010073845 W CN2010073845 W CN 2010073845W WO 2011015085 A1 WO2011015085 A1 WO 2011015085A1
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Prior art keywords
map
sub
message
compressed
map message
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PCT/CN2010/073845
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English (en)
Chinese (zh)
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朱俐
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中兴通讯股份有限公司
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Priority to JP2012523191A priority Critical patent/JP5328983B2/ja
Publication of WO2011015085A1 publication Critical patent/WO2011015085A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access

Definitions

  • the present invention relates to the field of WiMAX wireless broadband access technologies, and in particular, to a method and an apparatus for generating a downlink/uplink frame channel allocation message. Background technique
  • the downlink/uplink frame channel allocation (DL/UL MAP) message is used by the mobile station (MS) to perform uplink and downlink synchronization of the medium access control (MAC) layer and obtain uplink and downlink bandwidth.
  • the allocation information is composed of various information elements (IEs). Simply put, whenever there is a data burst (Data Burst) allocation, there will be an IE to indicate that when the Data Burst increases, the corresponding IE increases, the DL/UL MAP message body becomes larger, and the occupied bandwidth increases.
  • the DL/UL MAP message is used as a signaling overhead, so the bandwidth that can be allocated to the MS transmission service is reduced, and the throughput performance of the entire system is reduced, especially in the case of multiple users. Therefore, various improvements have been proposed in the 802.16 protocol to minimize the overhead of DL/UL MAP messages.
  • the structure of the other two DL/UL MAP messages is also defined in the 802.16 protocol: Compressed DL/UL MAP. and sub-downstream/uplink frame channel allocation (SUB-DL-UL-MAP, abbreviated as Sub-map).
  • the normal DL/UL MAP information field is relatively complete, but the message body is relatively large, and only the lowest order modulation and coding mode can be used, and bandwidth cannot be saved; Compressed DL/UL MAP is saved on the basis of normal DL/UL MAP.
  • Sub-map message includes allocation IE, and the uplink and downlink IE is in a sub-map message.
  • the technical problem to be solved by the present invention is to provide a method and apparatus for generating a downlink/uplink frame channel allocation message.
  • a method for generating a downlink/uplink frame channel allocation message according to the present invention includes: allocating a message information unit according to all uplink frame channels belonging to an allocation information unit (IE) (UL
  • MAP IE a modulation coding scheme indicated by a downlink frame channel allocation message information unit (DL MAP IE ), and the UL MAP IE and the DL MAP IE group indicating the same modulation and coding scheme are grouped into corresponding sub-downstream/uplink frame channel assignments (Sub -map ) message;
  • DL MAP IE downlink frame channel allocation message information unit
  • Sub -map sub-downstream/uplink frame channel assignments
  • All UL MAP IE and DL MAP IE groups belonging to the Control IE are built into compressed Down/Up ⁇ Compressed map messages.
  • the UL MAP IE and the DL MAP IE group indicating the same modulation and coding mode are configured into corresponding Sub-map messages, including:
  • All UL MAP IEs belonging to the allocated IE are respectively written into the corresponding first type Sub-map message array according to the modulation coding mode indicated by each UL MAP IE;
  • All DL MAP IEs belonging to the allocated IE are respectively written into the corresponding second type Sub-map message array according to the modulation coding mode indicated by each DL MAP IE;
  • the first type of Sub-map message array and the second type of Sub-map message array are grouped into the Sub-ma message.
  • All UL MAP IEs belonging to the allocated IE are written into the first type of Sub-map message array, including: According to the modulation and coding scheme indicated by the uplink section usage code (UIUC) field in each UL MAP IE, each UL MAP IE is respectively written into a first type Sub-map of a predefined IE modulation and coding scheme of QPSK, 16QAM, and 64QAM, respectively.
  • UIUC uplink section usage code
  • All DL MAP IEs belonging to the allocated IE are written into the second type of Sub-map message array, and specifically include: a code mode, and each DL MAP IE is respectively written into a pre-defined modulation and coding mode of QPSK, 16QAM, and 64QAM.
  • a code mode a code mode
  • each DL MAP IE is respectively written into a pre-defined modulation and coding mode of QPSK, 16QAM, and 64QAM.
  • the first type of Sub-map message array and the second type of Sub-map message array are grouped into Sub-map messages, including:
  • All UL MAP IEs in the first type of Sub-map message array of the same modulation and coding mode are written to all DL MAP IEs in the second type of Sub-map message array, and the modulation coding modes are respectively QPSKl/2 Sub-map messages of 16QAM1/2 and 64QAM1/2.
  • the UL MAP IE and DL MAP IE groups belonging to the Control IE are built into Compressed ma messages, including:
  • the Compressed UL MAP message is appended to the Compressed DL MAP message to form the Compre ssed ma message.
  • each Sub-map message After grouping each Sub-map message, it also includes:
  • the present invention further provides a device for generating a downlink/uplink frame channel allocation message, including: a Sub-map message generating unit and a Compressed map message generating unit;
  • a Sub-ma message generating unit configured to group the UL MAP IE and the DL MAP IE indicating the same modulation and coding mode into corresponding Sub-map messages according to a modulation and coding manner indicated by all UL MAP IEs and DL MAP IEs belonging to the IE ;
  • a Compressed ma message generating unit is configured to construct a Compressed map message for all UL MAP IEs and DL MAP IE groups belonging to the Control IE.
  • the Sub-map message generating unit includes: a first writing subunit, a second writing subunit, and a first grouping subunit; wherein
  • a first write subunit configured to write all UL MAP IEs belonging to the allocated IE into the corresponding first type Sub-map message array according to the modulation and coding manner indicated by each UL MAP IE; the second write subunit And all the DL MAP IEs belonging to the allocated IE are respectively written into the corresponding second type Sub-map message array according to the modulation and coding manner indicated by each DL MAP IE; the first group of sub-units is used to A Sub-map message array and a second Sub-map message array group form the Sub-ma message.
  • the first write subunit is further configured to write each UL MAP IE into a predefined IE modulation and coding mode according to a modulation and coding manner indicated by a UIUC field in each UL MAP IE, respectively, QPS:, 16QAM, and 64QAM.
  • the second write subunit is further configured to write each DL MAP IE into a predefined IE modulation and coding mode according to a modulation and coding manner indicated by a DIUC field in the DL MAP IE, respectively, QPSK, 16QAM, and 64QAM.
  • the second type of Sub-map message array is further configured to write each DL MAP IE into a predefined IE modulation and coding mode according to a modulation and coding manner indicated by a DIUC field in the DL MAP IE, respectively, QPSK, 16QAM, and 64QAM.
  • the first grouping subunit is further configured to write all UL MAP IEs in the first type of Sub-map message array of the same modulation and coding mode to all DL MAP IEs in the second class Sub-map message array. Later, the modulation coding methods are generated as QPSKl/2, 16QAM1/2. Sub-map messages with 64QAM1/2.
  • the Compressed map message generating unit specifically includes: a third writing subunit, a fourth writing subunit, and a second grouping subunit; wherein
  • a third write subunit configured to write all UL MAP IEs belonging to the Control IE into the Compressed UL MAP message
  • a fourth writing subunit configured to write all DL MAP IEs belonging to the Control IE into the Compressed DL MAP message
  • a second grouping subunit configured to attach the Compressed UL MAP message to the Compressed DL MAP message to form the Compressed map message.
  • the fourth writing subunit is further configured to: after the Sub-map message generating unit group constructs each Sub-map message, in the Compressed DL MAP message, add a Sub- corresponding to each Sub-map message.
  • the map message indicates the IE; and when the Sub-map message is allocated in the non-default zone, the Zone presence indication IE is added before the Sub-map message corresponding to the IE corresponding to the Sub-map message.
  • the UL MAP IE and DL MAP IE groups construct corresponding Sub-map messages, and all UL MAP IE and DL MAP IE groups belonging to the Control IE are built into Compressed ma messages.
  • the DL/UL MAP message is implemented in a combination of a Compressed map message and a Sub-map message, since the UL MAP IE and the DL MAP IE are in the same Sub-map message, and the Sub-map message can adopt a higher order modulation.
  • the coding mode compared with the normal ma message and Compressed ma message defined by the existing protocol, can only reduce the overhead of the map message compared with the lowest order modulation coding mode, so that the system can have more bandwidth for transmitting user data.
  • high-order modulation and coding methods are used in user data. In this case, the bandwidth utilization efficiency can be improved and the throughput of the system can be improved.
  • FIG. 1 is a flowchart of processing a UL MAP IE according to an embodiment of the present invention
  • FIG. 2 is a flowchart of processing a DL MAP IE according to an embodiment of the present invention
  • FIG. 3 is a flowchart of generating a Sub-map message and a Compressed map message according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a device for generating a DL/UL MAP message according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a Sub-map message generating unit according to an embodiment of the present invention
  • FIG. 6 is a Compressed map message according to an embodiment of the present invention
  • the embodiment of the present invention provides a method for generating a downlink/uplink frame channel allocation (DL/UL MAP) message, where the DL/UL MAP message is combined with a Sub-map message and a Compressed ma message, including:
  • All UL MAP IE and DL MAP IE groups belonging to the Control IE are built into a compressed downlink/uplink mid-channel channel (Compressed map) message.
  • the generated Uplink Map Information Element (UL MAP IE) needs to be processed first, and the generated Downlink Map Information Element (DL MAP IE) is processed.
  • the network side gives the mobile station according to different scheduling algorithms.
  • the step of performing further processing on the generated UL MAP IE includes: Step 101: Determine whether the generated UL MAP IE belongs to the control IE or the allocation IE, and if it is the control IE, perform step 102; otherwise, perform the steps. 103.
  • Step 102 Write a UL MAP IE belonging to the Control IE into a Compressed UL MAP message.
  • Step 103 Determine an uplink interval usage code in the UL MAP IE belonging to the allocated IE (Uplink
  • the Interval Usage Code, UIUC) field indicates whether the modulation coding mode is Quadrature Phase-Shift Keying (QPSK) 1/2 or QPSK3/4 mode. If yes, execute step 104; otherwise, perform steps. 105.
  • QPSK Quadrature Phase-Shift Keying
  • Step 104 Define a Map QPSK array, where the Map QPSK is used to store a UL MAP IE with a modulation coding mode of QPSK1/2 or QPSK3/4 indicated by the UIUC field, and the UL indicating the modulation and coding mode is QPSK1/2 or QPSK3/4.
  • the MAP IE is written to the Map QPSK array.
  • Step 105 Determine whether the modulation and coding mode indicated by the UIUC field in the UL MAP IE belonging to the allocated IE is 16QAM1/2 or 16QAM3/4, and if yes, execute step 106; otherwise, execute step 107.
  • Step 106 Define a Map 16QAM array, where the Map 16Q AM array is used to store UIUC
  • the modulation coding mode indicated by the field is 16 Quadrature Amplitude Modulation (QAM) 1/2 or 16QAM 3/4 UL MAP IE, which will indicate the modulation coding step 107, define a Map 64 QAM array, and indicate the UIUC field.
  • the modulation coding method is 64QAM1/2, 64QAM2/3, 64QAM3/4 or 64QAM5/6 UL MAP IE is written into the Map 64 QAM array.
  • the rest should be 64QAMl/2, 64QAM2/3, 64QAM3/4 or 64QAM5/. 6 In one of these ways, therefore, in this step 107, the UL MAP IE of the indicated modulation and coding mode not belonging to QPSK and 16QAM can be directly written into the Map 64 Q AM array.
  • Step 108 Determine whether all UL MAP IEs (whether the control IE or the allocation IE) have been processed, and if yes, end the process of processing the UL MAP IE; otherwise, go to step 101.
  • the network side performs scheduling on all downlink connections, allocates bandwidth according to different scheduling algorithms, determines downlink subframe division, and saves the scheduling result. According to the scheduling result of the downlink connection, generates downlink channel channel allocation message information unit (Downlink) Map Information Element, DL MAP IE).
  • Downlink Map Information Element
  • the step of performing further processing on the generated DL MAP IE includes: Step 201: Determine whether the generated DL MAP IE belongs to the control IE or the allocation IE, and if it is the control IE, perform step 202; otherwise, perform the steps. 203.
  • Step 202 Write a DL MAP IE belonging to the Control IE into a Compressed Down Frame Channel Assignment (Compressed DL MAP) message.
  • Compressed DL MAP Compressed Down Frame Channel Assignment
  • Step 203 Determine whether the modulation and coding mode indicated by the Downlink Interval Usage Code (DIUC) field in the DL MAP IE belonging to the allocated IE is QPSK1/2 or QPSK3/4 mode, if yes, execute step 204; otherwise, execute step 205.
  • Step 204 Define a Sub-map message array Smap QPSK , and write the DL MAP IE of the QPSK1/2 or QPSK3/4 indicated by the DIUC field into the Smap QPSK array.
  • DIUC Downlink Interval Usage Code
  • Sub-map message therefore, when writing to the DL MAP IE, the header field of the Sub-map message needs to be reserved for subsequent writing in the process of generating the Sub-map message.
  • Step 205 Determine whether the modulation coding mode indicated by the DIUC field in the DL MAP IE of the allocated IE is 16QAM1/2 or 16QAM3/4, and if yes, execute step 206; otherwise, perform step 207;
  • Step 206 Define a Sub-map message array Smap 16QAM , and write the DL MAP IE of the 16QAM1/2 or 16QAM3/4 modulation coding mode indicated by the DIUC field into the Smap 16QAM array.
  • the Smap QPSK array will eventually generate a corresponding Sub-map message with a modulation coding mode of 16QAM1/2, when writing the DL MAP IE, the header field of the Sub-map message needs to be reserved for subsequent generation. The Sub-map message is rewritten during the process.
  • Step 207 Define a Sub-map message array Smap 64 Q AM , and write the UL MAP IE whose modulation and coding mode indicated by the DIUC field is 64QAM1/2, 64QAM2/3, 64QAM3/4 or 64QAM5/6 to the Smap 64.
  • the Q AM array In the Q AM array.
  • the header field of the Sub-map message needs to be reserved for subsequent Write again during the process of generating the Sub-map message.
  • Step 208 Determine whether all DL MAP IEs (whether the control IE or the allocation IE) have been processed, and if yes, end the process of processing the DL MAP IE; otherwise, go to step 201.
  • the Map QPSK , Map 16QAM, and Map 64QAM arrays generated by the flow shown in FIG. 1 are referred to as a first type of Sub-map message array; Smap QPSK and Smap generated by the flow shown in FIG. 2 will be described below. 16Q AM and Smap 6 Q AM are called the second type of Sub-ma message array.
  • the process of generating Sub-ma messages and Compressed ma messages includes the following steps:
  • Step 301 Determine whether there is data in the first type of Sub-map message array (ie, Map QPSK , Map 16QAM, and Map 64Q AM array). If there is no data in the first type of Sub-map message array, go to step 304. Otherwise, go to step 302.
  • the first type of Sub-map message array ie, Map QPSK , Map 16QAM, and Map 64Q AM array.
  • Step 302 Write the UL MAP IE in the Map QPSK , Map 16QAM, and Map 64QA M arrays to the second type Sub-map message array with the same modulation and coding mode (corresponding to SmapQ PSK , Smap 16QAM, and Smap 64 Q A respectively).
  • M) The DL MAP IE is followed by the message header field corresponding to P, and the corresponding Sub-map message is generated.
  • Smap QPSK Due to the Smap QPSK , Smap 16Q AM and Smap 64 QAM arrays, Map QPSK , Map 16QAM and Map 64 QAM arrays, there may be data in each array, or only some of the arrays have data, so no more than 3 are generated.
  • Sub-map message If there are 3 Sub-map messages generated, the modulation coding modes of the 3 Sub-map messages are QPSKl/2, 16QAM1/2 and 64QAM1/2.
  • the total length of each Sub-map message generated is equal to the length of the message header field, the length of the DL MAP IE, and the length of the UL MAP IE written in step 302.
  • Step 303 Add a corresponding Sub-map message indication IE in the Compressed DL MAP message according to the Sub-map message generated in step 302. And, if the generated Sub-map message If it is allocated in a different zone, and is not assigned to the default zone, then in the case that the Sub-map message corresponding to the Sub-map message indicates the IE, the zone presence indication IE needs to be added, and the zone presence indication IE Used to indicate that the Sub-map message is assigned a non-default
  • Each Sub-map message indicates that the IE corresponds to one Sub-map message. If three Sub-map messages are generated in step 302, three corresponding Sub-map messages are added to the Compressed DL MAP message to indicate IE, Sub-ma.
  • indication IE message may be used, for example, a conventional hybrid ARQ and Sub-MAP message request indication IE (HA Q and Sub-MAP Pointer IE) 0
  • Zone presence indication The IE may use, for example, an existing STC-Zone_IE. Individual Sub-map messages can be assigned to the same zone or to different zones.
  • Step 304 Determine whether a Compressed UL MAP message exists. If yes, execute step 305; otherwise, the process ends.
  • Step 305 Attach a Compressed UL MAP message to the Compressed DL MAP message to form a Compressed ma message.
  • an embodiment of the present invention further provides a downlink/uplink frame channel allocation (DL/UL MAP) message generating apparatus, which is based on the principle of solving the problem and the foregoing downlink/uplink frame channel allocation (DL).
  • DL/UL MAP downlink/uplink frame channel allocation
  • the /UL MAP message is generated in a similar manner, so the implementation of these devices can be referred to the implementation of the method, and the repetitions are not repeated.
  • the DL/UL MAP message generating apparatus includes: a Sub-map message generating unit 401 and a Compressed map message generating unit 402; wherein: a Sub-ma message generating unit 401 is configured to: All uplink frame channel assignment message information element (UL MAP IE) and downlink frame channel assignment message information list belonging to the allocation information element (IE)
  • UL MAP IE uplink frame channel assignment message information element
  • IE allocation information element
  • the modulation coding mode indicated by the element (DL MAP IE ) will indicate the UL of the same modulation and coding mode.
  • the MAP IE and the DL MAP IE group are constructed corresponding to the sub-downlink/uplink frame channel allocation (Sub-map).
  • the Compressed ma message generating unit 402 is configured to convert all UL MAP IEs and DL MAP IE groups belonging to the Control IE into compressed uplink/downlink frame channel (Compressed map) messages.
  • the Sub-map message generating unit 401 specifically includes: a first writing subunit 4011, a second writing subunit 4012, and a a set of subunits 4013; wherein
  • a first write subunit 4011 configured to write all UL MAP IEs belonging to the allocated IE into the corresponding first type Sub-map message array according to the modulation and coding manner indicated by each UL MAP IE;
  • a second write subunit 4012 configured to write all DL MAP IEs belonging to the allocated IE into the corresponding second type Sub-map message array according to the modulation and coding manner indicated by each DL MAP IE;
  • the first group of sub-units 4013 for using the first class Sub-map message array and the second class
  • the Sub-map message array group is built into a Sub-map message.
  • the first writing subunit 4011 is further configured to use a modulation and coding manner indicated by an uplink interval usage code (UIUC) field in each UL MAP IE.
  • UIUC uplink interval usage code
  • each UL MAP IE is respectively written into a first type of Sub-map message array of QPS:, 16QAM, and 64QAM, respectively; and a second write subunit 4012 is further used according to the DL MAP.
  • the downlink coding code (DIUC) field indicates a modulation coding mode
  • each DL MAP IE is separately written into a second type Sub-map message array of QPSK, 16QAM, and 64QAM, respectively.
  • the first group of subunits 4013 is further configured to use the first class of the same modulation coding mode All UL MAP IEs in the Sub-map message array are written after all DL MAP IEs in the second type of Sub-map message array, and Sub-map messages with modulation coding modes of QPS:, 16QAM and 64QAM are generated.
  • the Compressed map message generating unit 402 specifically includes: a third writing subunit 4021, a fourth writing subunit 4022, and a second group of subunits 4023; wherein
  • a third write subunit 4021 configured to write all UL MAP IEs belonging to the control IE into a Compressed UL MAP message
  • a fourth write subunit 4022 configured to write all DL MAP IEs belonging to the control IE into a compressed downlink frame channel allocation (Compressed DL MAP) message;
  • the second grouping sub-unit 4023 is configured to attach a Compressed UL MAP message to the Compressed DL MAP message to form a Compressed map message.
  • the fourth writing sub-unit 4022 is further configured to: after the Sub-map message generating unit 401 sets up each Sub-map message, in the In the Compressed DL MAP message, the Sub-map message corresponding to each Sub-map message is added to indicate the IE; and when the Sub-map message is allocated in the non-default zone, the Sub-map message corresponds to the Sub-map message.
  • the Sub-map message indicates the front of the IE, and also adds the Zone presence indicator IE.
  • the UL MAP IE and the DL MAP IE group indicating the same modulation and coding mode are built into corresponding Sub-map messages, and all UL MAP IEs and DL MAP IEs belonging to the Control IE are grouped into Compressed map messages.
  • the DL/UL MAP message is generated by combining the Compressed ma message and the Sub-map message, because the UL MAP IE and the DL MAP IE are in the same Sub-map message, and the Sub-map message can adopt a higher order.
  • the normal map message and the Compressed ma message defined by the existing protocol can greatly reduce the overhead of the map message, so that the system can have more bandwidth for transmitting the user. Data, especially when high-order modulation and coding is used in user data, the bandwidth utilization efficiency can be improved and the throughput of the system can be improved.

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

Abstract

L’invention concerne un procédé et un dispositif pour générer un message de protocole d’accès au support (MAP) de liaison descendante(DL)/liaison montante(UL). En fonction du mode de codage de modulation indiqué par tous les UL MAP IE et les DL MAP IE appartenant à un élément d’information d’affectation (IE), l’UL MAP IE et le DL MAP IE qui indiquent le même mode de codage de modulation sont construits dans un sous-message MAP correspondant, et tous les UL MAP IE et les DL MAP IE appartenant à un IE de commande sont construits dans un message MAP compressé, le message DL/UL MAP étant généré par combinaison du message MAP compressé et du sous-message MAP. Du fait que l’UL MAP IE et le DL MAP IE sont dans le même sous-message MAP, un mode de codage de modulation supérieur peut être adopté dans le sous-message MAP, le coût des messages MAP pourrait ainsi être réduit significativement.
PCT/CN2010/073845 2009-08-04 2010-06-11 Procédé et dispositif pour générer un message de protocole d’accès au support(map) de liaison descendante(dl)/liaison montante(ul) WO2011015085A1 (fr)

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Citations (3)

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WO2006075870A1 (fr) * 2005-01-11 2006-07-20 Samsung Electronics Co., Ltd. Procede et systeme pour indiquer une repartition de rafales de donnees dans un systeme de radiocommunications
CN101039143A (zh) * 2006-03-16 2007-09-19 华为技术有限公司 调整下行调制编码方式的方法
WO2007126267A2 (fr) * 2006-04-28 2007-11-08 Lg Electronics Inc. Procédé d'émission et de réception de données de commande d'un terminal mobile multimode

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WO2008044318A1 (fr) * 2006-10-13 2008-04-17 Fujitsu Limited Station de base radio, station relais et procédé de commande de communication
KR20090078715A (ko) * 2008-01-15 2009-07-20 엘지전자 주식회사 서브맵을 이용한 통신방법

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Publication number Priority date Publication date Assignee Title
WO2006075870A1 (fr) * 2005-01-11 2006-07-20 Samsung Electronics Co., Ltd. Procede et systeme pour indiquer une repartition de rafales de donnees dans un systeme de radiocommunications
CN101039143A (zh) * 2006-03-16 2007-09-19 华为技术有限公司 调整下行调制编码方式的方法
WO2007126267A2 (fr) * 2006-04-28 2007-11-08 Lg Electronics Inc. Procédé d'émission et de réception de données de commande d'un terminal mobile multimode

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