WO2010091613A1 - 移动分配索引偏移的调整方法、装置及*** - Google Patents
移动分配索引偏移的调整方法、装置及*** Download PDFInfo
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- WO2010091613A1 WO2010091613A1 PCT/CN2010/070440 CN2010070440W WO2010091613A1 WO 2010091613 A1 WO2010091613 A1 WO 2010091613A1 CN 2010070440 W CN2010070440 W CN 2010070440W WO 2010091613 A1 WO2010091613 A1 WO 2010091613A1
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- standard frame
- maio
- selection information
- preset
- index offset
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for adjusting a Mobile Allocation Index Offset (MAIO).
- MAIO Mobile Allocation Index Offset
- MUROS Multi-User Reusing One Slot
- the basic idea of the scheme is to move the mobile station on the time axis. (Mobile Station, referred to as MS) That is, the frequency reuse relationship of MUROS users is disrupted, and interference diversity between MUROS users in the cell and between MUROS users and non-MUROS users is realized.
- Embodiments of the present invention provide a method, an apparatus, and a system for adjusting MAIO, which are used to reduce co-channel interference in a process of implementing a MAIO scheme in MUROS, and reduce volatility of communication link performance over time, and improve the information. Let the stability of the channel.
- an embodiment of the present invention provides a method for adjusting a MAIO, including:
- an embodiment of the present invention provides another MAIO adjustment method, including: acquiring standard frame selection information and a preset M AI 0;
- the preset MAIO is used as the MAIO of the standard intra mobile station.
- the embodiment of the invention further provides a base station subsystem, including:
- a determining module configured to determine standard frame selection information and preset MAIO
- a sending module configured to send the standard frame selection information and the preset MAIO, so that the mobile station selects a standard frame according to the standard frame selection information, and uses the preset MAIO as the mobile station in the standard frame. MAIO.
- an embodiment of the present invention further provides a mobile station, including:
- An obtaining module configured to obtain standard frame selection information and preset MAIO
- a selection module configured to select a standard frame according to the standard frame selection information
- an embodiment of the present invention further provides an MAIO adjustment system, including a base station subsystem, configured to determine standard frame selection information and a preset mobile allocation index offset, and send the standard frame selection information and the The preset mobile allocation index offset is used by the mobile station to select a standard frame according to the standard frame selection information, and the preset mobile allocation index offset is used as a mobile allocation index offset of the mobile station in the standard frame.
- an MAIO adjustment system including a base station subsystem, configured to determine standard frame selection information and a preset mobile allocation index offset, and send the standard frame selection information and the The preset mobile allocation index offset is used by the mobile station to select a standard frame according to the standard frame selection information, and the preset mobile allocation index offset is used as a mobile allocation index offset of the mobile station in the standard frame.
- the MS in the embodiment of the present invention selects a standard frame according to the standard frame selection information obtained from the Base Station Sub-system (BSS), and obtains the standard frame from the BSS.
- BSS Base Station Sub-system
- the preset MAIO can set the preset MAIO in the optimal frequency reuse relationship to the MAIO of the mobile station in the standard frame, and reduce the process of implementing the MAIO scheme in the MUROS.
- the co-channel interference reduces the volatility of the communication link performance over time, improves the stability of the signaling channel, and ensures the call quality of the mobile station.
- FIG. 1 is a schematic flowchart of a method for adjusting an MAIO according to Embodiment 1 of the present invention
- FIG. 2 is a schematic flowchart of another method for adjusting an MAIO according to Embodiment 2 of the present invention
- FIG. 4 is a schematic structural diagram of a base station subsystem according to Embodiment 4 of the present invention
- FIG. 5 is a schematic structural diagram of a mobile station according to Embodiment 5 of the present invention.
- FIG. 6 is a schematic structural diagram of an MAIO adjustment system according to Embodiment 6 of the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
- the behavior of two MSs multiplexed onto the same time slot is called frequency multiplexing, which can also be called pairing.
- the MSMS MS the MS on the first subchannel
- the MS on one subchannel is called "Q-channel MS.”
- the time slot is said to be in "MUROS mode”.
- the I path can be connected to the traditional MS, and the Q path must be connected to the MS that implements the MUROS technology.
- the embodiment of the present invention is implemented on the basis of the MUROS technology of the hop MAIO scheme, and the basic idea of the hop MAIO scheme is on the time axis.
- the frequency reuse relationship of the MS is disrupted.
- the scheme is as follows: The MSs in one cell are divided into two sets, and the set 1 includes all MSs that are not in the MUROS mode, and all the I-path MSs, and the set 2 includes all The other MSs are all Q-path MSs.
- the MSs of Set 1 and Set 2 use the same set of Mobile Allocation (MA) and the same i-hopping Sequence Number (HSN).
- MA Mobile Allocation
- HSN i-hopping Sequence Number
- 1 MS in the traditional way (3GPP TS 45.002) MAI
- the MS of Set 2 has a slight change when calculating the MAI, that is, the fixed allocation of MAIO is no longer used, but the MAIO is changed every time the MAI is calculated.
- the MAIO adjustment method in the embodiment of the present invention is to adjust the MAIO generated by using the hop MAIO scheme.
- FIG. 1 is a schematic flowchart of a method for adjusting a MAIO according to Embodiment 1 of the present invention. As shown in FIG. 1, the method for adjusting a MAIO in this embodiment may include the following parts.
- the frame may include two types of frames, one is a normal frame, and the other is a standard frame, that is, all frames except the standard frame are used as normal frames, and the preset is adopted.
- MAIO is selected as the MAIO of the standard intra-frame MS, which realizes the periodic regression of the optimal pairing relationship determined by the BSS, thereby improving the stability of the signaling channel, and P is competing for the risk of dropped calls due to random pairing.
- the standard frame selection information and the preset MAIO in this embodiment are determined by the BSS, and the BSS can determine an optimal pairing relationship (frequency reuse relationship) for each MS according to the measurement of the wireless environment in the cell, and implement the The default MAIO for each MS when the optimal pairing relationship is used.
- the optimal pairing relationship corresponding to the MS may be determined according to some communication parameters of the MS that reflect the call quality, for example, a carrier-to-interference ratio (CIR), a path loss (PL), and a path loss (PL). Received Signal Quality (RXQUAL), Received Signal Level (RXLEV), Cell Load, etc.
- the standard frame selection information may include a starting frame number and an interval value for the MS to start from the start frame corresponding to the start frame number, and select a normal frame after the normal frame of the interval value as the standard frame.
- the BSS in the embodiment of the present invention selects a standard frame by sending standard frame selection information to the MS, so that the MS can select a standard frame according to the standard frame selection information acquired from the BSS, and the The preset MAIO obtained by the BSS is used as the MAIO of the MS in the standard frame, and the preset MAIO in the optimal frequency reuse relationship can be set to the MAIO of the MS in the standard frame, thereby realizing the random occurrence in the skip MAIO scheme.
- the adaptive adjustment of the probability of pairing reduces the co-channel interference in the process of implementing the MAIO scheme in MUROS, minus
- the fluctuation of the performance of the communication link over time improves the stability of the signaling channel, thereby ensuring the quality of the call of the mobile station.
- the method in this embodiment can be applied to a process before a call, for example, a call setup process, a call re-establishment process, a handover process, and a direct retry process, and can also be applied during a call.
- the BSS may send the standard frame selection information and the preset MAIO by sending a radio resource indication command message to the MS, that is, the radio resource indication command message sent by the BSS to the MS carries the standard frame selection information and the preset MAIO.
- the foregoing radio resource indication command message may be an assignment command.
- the radio resource indication command message in the handover procedure and the direct retry procedure, may be a handover command (HANDOVER COMMAND) message; during the call, the radio resource indication command message may be frequency redefined
- FIG. 2 is a schematic flowchart of another MAIO adjustment method according to Embodiment 2 of the present invention. As shown in FIG. 2, the MAIO adjustment method in this embodiment may include the following parts:
- the preset MAIO is used as the MAIO of the MS in the standard frame.
- the frame may include two types of frames, one is a normal frame, and the other is a standard frame, that is, all frames except the standard frame are used as normal frames, and the preset is adopted.
- MAIO is selected as the MAIO of the standard intra-frame MS, which realizes the periodic regression of the optimal pairing relationship determined by the BSS, thereby improving the stability of the signaling channel, and P is competing for the risk of dropped calls due to random pairing.
- the standard frame selection information and the preset MAIO in this embodiment are determined by the BSS, and the BSS can determine an optimal pairing relationship (frequency reuse relationship) for each MS according to the measurement of the wireless environment in the cell, and implement the The default MAIO for each MS when the optimal pairing relationship is used.
- the optimal pairing relationship corresponding to the MS may be determined according to some communication parameters of the MS that reflect the call quality, for example, parameters such as CIR, PL, RXQUAL, RXLEV, and cell load.
- the standard frame selection information may include a starting frame number and an interval value, and the MS may start from a starting frame corresponding to the starting frame number, and select a normal frame after the normal frame of the interval value as a standard frame.
- the MS in the embodiment of the present invention selects a standard frame according to the standard frame selection information acquired from the BSS, and uses the preset MAIO obtained from the BSS as the MAIO of the MS in the standard frame.
- the preset MAIO in the optimal frequency reuse relationship can be set to the MAIO of the MS in the standard frame, thereby realizing the adaptive adjustment of the probability of random pairing occurring in the skip MAIO scheme, and reducing the implementation in the MUROS.
- the co-channel interference in the process of skipping the MAIO scheme reduces the fluctuation of the performance of the communication link with time, improves the stability of the signaling channel, and ensures the call quality of the mobile station.
- the method in this embodiment can be applied to a process before a call, for example, a call setup process, a call re-establishment process, a handover process, and a direct retry process, and can also be applied during a call.
- the MS may obtain the standard frame selection information and the preset MAIO by acquiring the radio resource indication command message from the BSS, that is, the radio resource indication command message received by the MS from the BSS carries the standard frame selection information and the preset MAIO.
- the foregoing radio resource indication command message may be an ASSIGNMENT COMMAND message; in the handover process and the direct retry process, the foregoing radio resource indication command message may be a handover command ( HANDOVER COMMAND ) message; During the call, the above radio resource indication command message may be a Frequency Redefinition message.
- FIG. 3 is a schematic flowchart of another MAIO adjustment method according to Embodiment 3 of the present invention. As shown in FIG. 3, the MAIO adjustment method in this embodiment may include the following parts:
- the MS in the set 2 receives the preset MAIO sent by the BSS, and can be recorded as MAIO 0 .
- the BSS determines an optimal pairing relationship (frequency reuse relationship) for each MS in the set 2 according to the measurement of the wireless environment in the cell, and presets for each MS when implementing the optimal pairing relationship. MAIO, and sends the MAIO 0 to the MS.
- the BSS may determine an optimal pairing relationship for the MS according to the communication parameters reflecting the call quality according to CIR, PL, RXQUAL, RXLEV, cell load, etc., for example: a set with a relatively high CIR and a small difference from the MS1 in the set 1
- the pairing relationship can be considered as the optimal pairing relationship of the MS4 in the set 2.
- the corresponding M Al O 0 can be determined according to the optimal pairing relationship determined above.
- the MS receives a predetermined starting frame number and interval value sent by the BSS, and starts.
- the frame number can be recorded as FNQ
- the interval value can be represented by Radio Resource Management (RRM) RRM Pairing Interval (RPI).
- RRM Radio Resource Management
- 301 and 302 above have no fixed sequence, and can also be reversed;
- the MS starts from a start frame corresponding to the start frame number, and selects a normal frame after the normal frame of the interval value as a standard frame.
- the MS may start from the start frame (including the start frame), and select one frame after every normal frame of the RPI as a standard frame, so that a standard frame periodically exists between the normal frames for subsequent processes.
- the MS obtains the preset MAIO as the MAIO of the MS in the standard frame.
- the MS sets the MAIO of the MS to MAIOo in one frame after the RPI frame, that is, in the standard frame, instead of selecting the MAIO according to the corresponding MAIO in the hop MAIO scheme. This can be thought of as a "regression" of the pairing relationship determined by RRM in order to reduce the risk of random pairing.
- the RPI characterizes the probability of correcting the random pairing caused by hop MAIO.
- the value of each RPI can be considered to define a hop MAIO mode, which can be specified by the BSS according to the network environment.
- RPI can take any value, in practical applications, RPI only takes a finite number of values according to experience.
- the MS in this embodiment may determine the frequency of the MS in the standard frame according to the preset MAIO.
- the frequency of the MS in other normal frames may be applied to the frequency determined by the hop MAIO scheme, and the MS may also determine the MAIO of the MS in other normal frames according to the parameters sent by the BSS in the received hop MAIO scheme, and The frequency of the MS in other normal frames is further determined.
- the MS receives the Mobile Allocation Index Offset Allocation (MAIOA) and the MAIO Hopping Sequence Number (MAIOHSN), and the optional mobile allocation index offset row sent by the BSS.
- the BSS in the process of implementing the MUROS technical interference diversity by using the hop MAIO scheme, although the pairing relationship between the MS in the set 2 and the MS in the set 1 is random, the BSS can select the optimal pairing relationship corresponding to a specific MS in the set 2, that is, the performance of the MS is optimal under the pairing relationship.
- the BSS can dynamically determine the optimal pairing relationship for each MS in the hop MAIO scheme by assigning an RPI to each MS in the set 2 according to the change of the wireless environment, and reduce the optimal pairing relationship for each MS in the MUROS.
- the co-channel interference in the process of implementing the MAIO hopping scheme reduces the volatility of the communication link performance of the MS over time, improves the stability of the signaling channel of the MS, and ensures the call quality of the MS.
- the RPI in this embodiment may take different values in the wireless environment of the network, and may send an RPI to the MS through the BSS, instructing the MS to switch to the new hop MAIO mode.
- the BSS sends a MAIOA and MAIOHSN to the MS in the set 2, and an optional MAIOPN, and should also be sent to the MS.
- the method in this embodiment can be applied to a process before a call, for example, a process such as a call setup process, a call re-establishment process, a handover process, and a direct retry process, and can also be applied during a call.
- the BSS may send the radio resource indication command message to the MS, so that the MS obtains the start frame number FN 0 , the interval value RPI, and the preset MAIO, that is, the radio resource indication command message sent by the BSS to the MS carries the start. Frame number FNo, interval value RPI and preset MAIO.
- the foregoing radio resource indication command message may be an ASSIGNMENT COMMAND message, which may carry MAIOA and MAIOHSN in the MAIO solution, and optionally In addition to the MAIOPN, you can also carry FN.
- the RPI and the preset MAIO; in the handover process and the direct retry process, the foregoing radio resource indication command message may be a handover command (HANDOVER COMMAND) message, and the handover command message may be carried in a skip MAIO scheme.
- FN can also be carried.
- the RPI and the preset MAIO; during the call, the foregoing radio resource indication command message may be a Frequency Redefinition message, and the frequency redefinition message may carry MAIOA and MAIOHSN in the hop MAIO scheme, and optionally In addition to the MAIOPN, you can also carry FN. , RPI and preset MAIO.
- FIG. 4 is a schematic structural diagram of a base station subsystem according to Embodiment 4 of the present invention.
- the BSS in this embodiment may include a determining module 41 and a sending module 42.
- the determining module 41 determines the standard frame selection information and the preset MAIO
- the sending module 42 sends the standard frame selection information determined by the determining module 41 and the preset MAIO, so that the MS selects the standard frame according to the standard frame selection information, and the foregoing Let MAIO be the MAIO of the MS in the standard frame.
- the frame may include two types of frames, one being a normal frame and the other being a standard frame, that is, all frames except the standard frame are regarded as normal frames.
- the standard frame selection information and the preset MAIO in this embodiment are determined by the determining module 41, and the determining module 41 can determine an optimal pairing relationship (frequency reuse relationship) for each MS according to the measurement of the wireless environment in the cell. And the default MAIO for each MS when implementing this optimal pairing.
- the determining module 41 may specifically determine the optimal pairing relationship corresponding to the MS according to some communication parameters of the MS, for example: CIR, PL, and the like.
- the standard frame selection information determined by the determining module 41 may include a starting frame number and an interval value, so that the MS starts from a starting frame corresponding to the starting frame number, and selects a normal frame after the normal frame of the interval value as the normal frame. Standard frame.
- the sending module in the embodiment of the present invention selects a standard frame by sending the standard frame selection information determined by the determining module to the MS, so that the MS can select information according to the standard frame obtained from the sending module.
- Select the standard frame pass the send mode
- the preset MAIO obtained by the block is used as the MAIO of the MS in the standard frame, and the preset MAIO in the optimal frequency multiplexing relationship can be set to the MAIO of the MS in the standard frame, thereby realizing random occurrence in the hop MAIO scheme.
- the adaptive adjustment of the pairing probability reduces the co-channel interference in the process of implementing the hopping MAIO scheme in MU ROS, reduces the volatility of the communication link performance over time, and improves the stability of the signaling channel, thereby ensuring The quality of the call of the mobile station.
- FIG. 5 is a schematic structural diagram of a mobile station according to Embodiment 5 of the present invention.
- the MS in this embodiment may include an obtaining module 51, a selecting module 52, and a setting module 53.
- the obtaining module 51 obtains the standard frame selection information and the preset MAIO
- the selecting module 52 selects the standard frame according to the standard frame selection information acquired by the obtaining module 51
- the setting module 53 uses the preset MAIO obtained by the obtaining module 51 as the selection block.
- the frame may include two types of frames, one being a normal frame and the other being a standard frame, that is, all frames except the standard frame are regarded as normal frames.
- the standard frame selection information and the preset MAIO in this embodiment are determined by the BSS, and the BSS can determine an optimal pairing relationship (frequency reuse relationship) for each MS according to the measurement of the wireless environment in the cell, and implement the The default MAIO for each MS when the optimal pairing relationship is used.
- the BSS may determine the optimal pairing relationship corresponding to the MS according to some communication parameters of the MS, for example: CIR, PL, and the like.
- the standard frame selection information acquired by the obtaining module 51 may include a starting frame number and an interval value, and the selecting module 52 may start from a starting frame corresponding to the starting frame number, and select a normal frame after the normal frame of the interval value. As a standard frame.
- the selecting module in the embodiment of the present invention selects a standard frame according to the standard frame selection information acquired by the acquiring module from the BSS, and the setting module uses the preset MAIO obtained by the obtaining module from the BSS as Selecting the MAIO of the MS in the standard frame selected by the module, the preset MAIO in the optimal frequency reuse relationship can be set to the MAIO of the MS in the standard frame, thereby realizing the probability of random pairing occurring in the skip MAIO scheme.
- the adaptive adjustment reduces the co-channel interference in the process of implementing the hop MAIO scheme in MUROS, reduces the volatility of the communication link performance over time, improves the stability of the signaling channel, and thus ensures the mobility of the mobile station. conversation quality.
- FIG. 6 is a schematic structural diagram of an MAIO adjustment system according to Embodiment 6 of the present invention.
- the MAIO adjustment system of this embodiment may include a base station subsystem 61, configured to determine The standard frame selection information and the preset MAIO are sent to the mobile station to determine the standard frame selection information and the preset MAIO, so that the mobile station selects a standard frame according to the obtained standard frame selection information, and uses the obtained preset MAIO as the above.
- the MAIO of the mobile station within the standard frame.
- the foregoing method in the first embodiment, the second embodiment, and the BSS in the third embodiment of the present invention can be implemented by the base station subsystem 61 in the MAIO adjustment system provided by the embodiment of the present invention.
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Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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BRPI1008328A BRPI1008328A2 (pt) | 2009-02-10 | 2010-01-30 | método, dispositivo, e sistema para ajustar um offset de índice de alocação móvel |
EP20100740902 EP2395674B1 (en) | 2009-02-10 | 2010-01-30 | Method, device and system for adjusting mobile allocation index offset |
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CN 200910077424 CN101800573B (zh) | 2009-02-10 | 2009-02-10 | 移动分配索引偏移的调整方法、装置及*** |
CN200910077424.7 | 2009-02-10 |
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EP (1) | EP2395674B1 (zh) |
CN (1) | CN101800573B (zh) |
BR (1) | BRPI1008328A2 (zh) |
WO (1) | WO2010091613A1 (zh) |
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CN101938750B (zh) * | 2010-09-09 | 2014-04-02 | 华为技术有限公司 | 移动台无线频率序号集合的转换方法和基站上层控制节点 |
CN104641565B (zh) * | 2013-02-19 | 2017-04-12 | 华为技术有限公司 | 移动分配指针偏移选择方法及装置 |
Citations (3)
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CN1864342A (zh) * | 2003-10-09 | 2006-11-15 | 艾利森电话股份有限公司 | 无线电网络中的频率偏移跳跃的方法及*** |
US20070104175A1 (en) * | 2005-11-10 | 2007-05-10 | Mark Pecen | Method and apparatus for allocating communication resources to communicate data in a radio communication system |
WO2008130300A1 (en) * | 2007-04-23 | 2008-10-30 | Telefonaktiebolaget Lm Ericsson (Publ) | A method of transmitting down link data |
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US6845123B1 (en) * | 2000-02-25 | 2005-01-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Frequency hopping sequence allocation |
ES2299970T3 (es) * | 2005-11-10 | 2008-06-01 | Research In Motion Limited | Metodo y aparato para asignar recursos de comunicaciones para comunicar datos en un sistema de comunicaciones por radio. |
-
2009
- 2009-02-10 CN CN 200910077424 patent/CN101800573B/zh not_active Expired - Fee Related
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2010
- 2010-01-30 WO PCT/CN2010/070440 patent/WO2010091613A1/zh active Application Filing
- 2010-01-30 BR BRPI1008328A patent/BRPI1008328A2/pt not_active Application Discontinuation
- 2010-01-30 EP EP20100740902 patent/EP2395674B1/en not_active Not-in-force
Patent Citations (3)
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CN1864342A (zh) * | 2003-10-09 | 2006-11-15 | 艾利森电话股份有限公司 | 无线电网络中的频率偏移跳跃的方法及*** |
US20070104175A1 (en) * | 2005-11-10 | 2007-05-10 | Mark Pecen | Method and apparatus for allocating communication resources to communicate data in a radio communication system |
WO2008130300A1 (en) * | 2007-04-23 | 2008-10-30 | Telefonaktiebolaget Lm Ericsson (Publ) | A method of transmitting down link data |
Also Published As
Publication number | Publication date |
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EP2395674B1 (en) | 2015-04-22 |
EP2395674A1 (en) | 2011-12-14 |
CN101800573B (zh) | 2013-01-30 |
EP2395674A4 (en) | 2012-01-25 |
CN101800573A (zh) | 2010-08-11 |
BRPI1008328A2 (pt) | 2016-02-23 |
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