WO2010020134A1 - 单频网上多播/广播子帧的获取/配置方法及获取装置 - Google Patents
单频网上多播/广播子帧的获取/配置方法及获取装置 Download PDFInfo
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- WO2010020134A1 WO2010020134A1 PCT/CN2009/072324 CN2009072324W WO2010020134A1 WO 2010020134 A1 WO2010020134 A1 WO 2010020134A1 CN 2009072324 W CN2009072324 W CN 2009072324W WO 2010020134 A1 WO2010020134 A1 WO 2010020134A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Definitions
- the present invention relates to the field of communications, and in particular to a method for acquiring/configuring a multicast/Broadcast over Single Frequency Network (MBSFN) sub-band And acquisition device.
- MMSFN Single Frequency Network
- MBMS Multimedia Broadcast Multicast Service
- a point-to-multipoint service that provides a data source to send data to multiple users in the network can share network resources and improve utilization of network resources, especially air interface resources.
- MBMS is a technology for transmitting shared network resources from one data source to multiple targets.
- the MBMS provides 3MS not only for plain text low-rate message-like multicast and broadcast, but also for high-speed multimedia services. Multicast and broadcast.
- the MBMS technology provided in the Long Term Evolution (LTE) network is called the evolved multimedia broadcast multicast service (Evolved MBMS, referred to as E-MBMS).
- LTE Long Term Evolution
- E-MBMS evolved multimedia broadcast multicast service
- the radio frame is divided into Multicast/Broadcast over Single Frequency Network Frame (MBSFN Frame) and non- MBSFN Frame (Unicast Frame), that is, a unicast frame (Unicast Frame); where a part of the subframes in the MBSFN Frame is transmitted in the MBSFN mode, that is, the subframes in each MBSFN Frame are further divided into MBSFN sub-frames.
- a frame (MBSFN Subframe) and a non-MBSFN Subframe (Unicast Subframe), that is, a Unicast Subframe, and a None-MBSFN Frame means that all subframes do not use the MBSFN transmission mode.
- one carrier frequency can support one or more multicast channels (Multicast Channel, MCH for short), where a specific MCH office
- MCH Multicast Channel
- the assigned physical resource can use a specific subframe mode (Pattern of Subframe). This sub-frame mode is called MCH Subframe Allocation Pattern (MSAP).
- MSAP MCH Subframe Allocation Pattern
- the MS service can be mapped to an identical MCH, where each MBMS service can be carried on a different MBMS Point-to-Multipoint Traffic Channel (MTCH), that is, The multiple MBSFN area i or multiple MTCHs are mapped to one MCH, where each MTCH corresponds to one MBMS service, and multiple MCHs correspond to different MBSFN areas i or each MBSFN subframe allocation method (MBSFN Subframe Allocation, referred to as MSAP ) corresponds to one MCH, and each MCH can include one or more MTCHs.
- MBSFN Subframe Allocation MBSFN Subframe Allocation
- MCH1 corresponds to ## in MBSFN Frame#2.
- MCH2 corresponds to #8 in MBSFN Frame#2 and #3
- MCH3 corresponds to #8 and MBSFN Frame# in MBSFN Frame#3 #3
- #4, #7, #8, MTCH1 and MTCH2 in 6 are mapped to MCH1, MTCH3 is mapped to MCH2, and MTCH4, MTCH5 and MTCH6 are mapped to MCH3.
- MBSFN MBSFN Reference Signal
- MBSFN Reference Signal MBSFN Reference Signal
- Channel estimation if the subframe is MBSFN subframe, the MBSFN Reference Signal is used for channel estimation. If the subframe is a Non-MBSFN subframe, the Cell-Specific Reference Signal is used for channel estimation.
- the Evolved Universal Terrestrial Radio Access Network needs to notify the UE of the above information of each radio frame and subframe by using a system broadcast message, and the UE also needs to determine each
- the radio frame and each subframe are MBSFN frame and MBSFN subframe for channel estimation for each subframe.
- the subframe allocation of the MBSFN is divided into two levels, namely, the radio frame level and the subframe level.
- the period is used to indicate which ones are in a repetition period.
- the radio frame is an MB SFN frame; at the sub-frame level, a sub-frame allocation (Subframe Allocation) is used, and the sub-frame allocation ranges from 0 to 7.
- the frame is an MBSFN subframe. Since the LTE FDD and the LTE TDD are different in physical layer structure, the MBSFN subframe allocation is also different. For LTE FDD, since subframes #0 and #5 cannot be allocated as MBSFN Subframe, the iH1 MBSFN subframe allocation starts from subframe #1; For LTE FDD, in some cases, subframes #4 and #9 cannot be used for MBSFN Subframe, for example: When a cell needs to configure 3 ⁇ 4 paging subframes on one radio frame, except #0 ⁇ # 5 For paging subframes, #4 or / and #9 are also used for paging subframes.
- MBSFN Subframe When a cell needs to configure one paging subframe on one radio frame, iH #9 is used to page the subframe, so that #9 and #5 cannot be used for the MBSFN Subframe, and #9 cannot be used.
- MBSFN Subframe, and subframe #4 can be used for MBSFN Subframe. That is, as shown in Table 2, up to 7 subframes on one radio frame can be allocated as MBSFN Subframe. Subframe division S From the above process, we can see the following problems:
- Multi-cell/multicast Coordination Entity, MCE for short is completed on the NE, and the allocation of the paging sub-frame is completed on the Evolved Node B (eNode B), because two network elements are caused. It is difficult to coordinate resources.
- eNode B Evolved Node B
- the present invention is directed to the problem that the MBSFN Subframe is not the same, and the resource between the MCE network element and the eNode B network element is relatively difficult. Therefore, the present invention aims to provide the acquisition of the multicast/broadcast subframe on the single frequency network. / Configuration method and acquisition device to solve at least one of the above problems. According to an aspect of the present invention, a method for acquiring a multicast/broadcast subframe on a single frequency network is provided, wherein one radio frame includes ten subframes numbered 0-9.
- the method for acquiring a multicast/broadcast subframe on a single-frequency network includes: pre-setting a multicast/broadcast MBSFN subframe configuration rule on a single-frequency network, and configuring a subframe to be configured as an MBSFN subframe, including the number 1 and 2 6 subframes of 3, 6, 7, 8; the user equipment acquires a system broadcast message from the base station, where the system broadcast message carries the MBSFN subframe configuration information; the user equipment determines, according to the configuration rule and the MBSFN subframe configuration information, Configured as a subframe of an MBSFN subframe.
- the MBSFN subframe configuration information is MBSFN subframe number information.
- the determining, by the user equipment, the subframe configuration according to the configuration rule and the MBSFN subframe configuration information is: the user equipment determines, according to the MBSFN subframe number information, the configuration as the MSBFN subframe.
- the number of subframes is determined by the user equipment according to the determined number of subframes.
- the subframes numbered 1 are configured as MBSFN subframes, and the subframes numbered 0, 4, 5, and 9 are not configured as MBSFN. Subframe.
- determining that the subframe is configured as an MBSFN subframe from the subframe numbered 1 is: when the number of subframes is 1, determining that the subframe numbered 1 is configured as MBSFN subframe; when the number of subframes is 2, it is determined that the subframes numbered 1, 2 are configured as MBSFN subframes; when the number of subframes is 3, the subframes numbered 1, 2, 3 are determined to be Configured as an MBSFN subframe; when the number of subframes is 4, it is determined that the subframes numbered 1, 2, 3, and 6 are configured as MBSFN subframes; when the number of subframes is 5, the number is determined to be 1, 2 The subframes of 3, 6, and 7 are configured as MBSFN subframes; when the number of subframes is 6, it is determined that subframes numbered 1, 2, 3, 6, 7, 8 are configured as MBSFN subframes.
- a method for configuring a multicast/broadcast subframe on a single frequency network is also provided, wherein one radio frame includes ten subframes numbered 0-9.
- the method for configuring a single-frequency network multicast/broadcast subframe according to the present invention includes: pre-setting a single-frequency network multicast/broadcast MBSFN subframe configuration rule, where the configuration rule is that the subframe configured as an MBSFN subframe includes a number 6 subframes of 1, 2, 3, 6, 7, 8; perform MBSFN subframe configuration according to the configuration rule, and send a system broadcast message to the user equipment, where the system broadcast message carries the MB SFN subframe number information.
- the MBSFN subframe configuration according to the configuration rule is specifically: When the number of MBSFN subframes is 1, ⁇ !
- the sub-frame numbered 1 is configured as an MBSFN sub-frame; when the number of MBSFN sub-frames is 2, the sub-frames with the number 1 and 2 are configured as MBSFN sub-frames; when the number of MBSFN sub-frames is 3, ⁇ !
- the subframes with the number 1, 2, and 3 are configured as MBSFN subframes; when the number of MBSFN subframes is 4, the subframes with the number 1, 2, 3, and 6 are configured as MBSFN subframes;
- When the number of frames is 5, ⁇ !
- the subframes numbered 1, 2, 3, 6, and 7 are configured as MBSFN subframes; when the number of MBSFN subframes is 6, ⁇ !
- the subframes with the numbers 1, 2, 3, 6, 7, and 8 are configured as MBSFN subframes.
- a method for configuring a multicast/broadcast subframe on a single frequency network is also provided, wherein one radio frame includes ten subframes numbered 0-9.
- the method for configuring a single-frequency network multicast/broadcast subframe includes: pre-setting a single-frequency network multicast/broadcast MBSFN subframe configuration rule, according to the configuration rule, subframes numbered 4 and 9 are not It is configured as an MBSFN subframe; performs MBSFN subframe configuration and channel estimation according to a configuration rule.
- the MBSFN subframe configuration is performed according to the configuration rule: when the number of MBSFN subframes is 1, the subframe numbered 1 is configured as an MBSFN subframe; when the number of MBSFN subframes is 2, the number is The subframes of 1 and 2 are configured as MBSFN subframes; when the number of MBSFN subframes is 3, ⁇ !
- the subframes with the number 1, 2, and 3 are configured as MBSFN subframes; when the number of MBSFN subframes is 4, the subframes with the number 1, 2, 3, and 6 are configured as MBSFN subframes; When the number of frames is 5, ⁇ !
- the subframes numbered 1, 2, 3, 6, and 7 are configured as MBSFN subframes.
- the subframes numbered 1, 2, 3, 6, 7, and 8 are configured as MBSFN subframe.
- performing channel estimation according to the configuration rule is: the user equipment determines the number of subframes of the MBSFN subframe according to the number of MBSFN subframes in the received system broadcast message; the user equipment determines according to the determined number and the configuration rule.
- a subframe configured as an MBSFN subframe and performing channel estimation according to the determined result, wherein when the number of subframes is 1, it is determined that the subframe numbered 1 is configured as an MBSFN subframe; when the number of subframes is 2, it is determined that the subframes numbered 1, 2 are configured as MBSFN subframes; when the number of subframes is 3, it is determined that the subframes numbered 1, 2, 3 are configured as MBSFN subframes; When the number is 4, it is determined that the subframes numbered 1, 2, 3, and 6 are configured as MBSFN subframes; when the number of subframes is 5, the subframes numbered 1, 2, 3, 6, and 7 are determined to be Configured as an MBSFN subframe; when the number of subframes is 6, it is determined that the subframes numbered 1, 2, 3, 6, 7, 8 are configured as MBSFN subframes.
- a device for acquiring a multicast/broadcast subframe on a single frequency network includes: a storage module, configured to store a preset single-frequency network multicast/broadcast MBSFN subframe configuration rule, where the configuration rule is configured as an MBSFN subframe
- the subframe includes six subframes numbered 1, 2, 3, 6, 7 and 8; an acquiring module, configured to acquire a system broadcast message from the base station, where the system broadcast message carries the MBSFN subframe configuration information;
- the module is connected to the obtaining module and the storage module, and is configured to determine a subframe configured as an MBSFN subframe according to the configuration rule and the MBSFN subframe configuration information.
- the subframes numbered 4 and 9 are not configured as MBSFN subframes, and the MBSFN Subframes are different because different paging subframes are configured in different paging scenarios. And the problem of resource coordination between the MCE network element and the eNode B network element is relatively difficult, and thus the configuration of the network is simplified.
- Figure 1 is a mapping of multiple MTCHs to multiple MCH and MCH allocations according to the related art.
- FIG. 2 is a flowchart of a method for acquiring a multicast/broadcast subframe on a single frequency network according to Embodiment 1 of the present invention
- FIG. 3 is a multicast/broadcast subframe for a single frequency network according to Embodiment 2 of the present invention
- FIG. 4 is a flowchart of a method for configuring a multicast/broadcast subframe on a single frequency network according to Embodiment 3 of the present invention
- FIG. 5 is a multicast/broadcast sub-band on a single frequency network according to an embodiment of the present invention
- the present invention provides a method for acquiring/configuring a single-frequency network multicast/broadcast subframe and a obtaining apparatus, wherein a single-frequency network multicast/broadcast MBSFN subframe configuration rule is set, and the configuration rule is
- the subframes configured as MBSFN subframes include 6 subframes numbered 1, 2, 3, 6, 7, 8 , and the network side can perform MBSFN subframe configuration by using the rule, and the UE can combine the MBSFN carried in the system broadcast message.
- the subframe number information can determine which subframes are configured as MBSFN subframes.
- a method for acquiring a multicast/broadcast subframe on a single frequency network wherein each radio frame includes ten numbers numbered 0-9.
- Subframe, ie, number Subframes of #0, #1, ....#8, #9. 2 is a flowchart of a method for acquiring a multicast/broadcast subframe on a single-frequency network according to the first embodiment of the present invention. As shown in FIG.
- Step S202 Setting an MBSFN subframe configuration rule, where the configuration rule is The subframes configured as MBSFN subframes include 6 subframes numbered 1, 2, 3, 6, 7, 8;
- Step S204 the UE acquires a system broadcast message from the base station, where the system broadcast message carries the MBSFN subframe
- the configuration information specifically, the MBSFN subframe configuration information may be MB SFN subframe number information; preferably, the MB SFN subframe configuration information may be carried in System Information Block Type 2 Information of the system broadcast message
- Step S206 the UE determines, according to the configuration rule and the MBSFN subframe configuration information, that it is configured as
- the subframe of the MBSFN subframe can be implemented as follows: The number of MBSFN subframes carried in the information unit "MBSFN-Subframe Configuration" in the message #2 in the system information block 2 is determined to be configured as an MSBFN subframe. The number of subframes is determined. Then, according to the determined number of subframes, a subframe configured as an MBSFN subframe from the subframe numbered 1 is determined. At this time, the UE has learned that the numbers are 0, 4, and 5 If the network side configures the MBSFN subframe, the sub-frames #0, #4, #5, #9, which can be configured as MBSFN subframes, are not configured.
- subframes #1, #2, #3, #6, #7, #8 There are at most six subframes: #1, #2, #3, #6, #7, #8. Specifically, when the number of subframes is 1, it may be determined that the subframe numbered 1 is configured as an MBSFN subframe; when the number of subframes is 2, it is determined that the subframes numbered 1, 2 are configured as MBSFN sub-frames. When the number of subframes is 3, it is determined that the subframes numbered 1, 2, and 3 are configured as MBSFN subframes; when the number of subframes is 4, the subframes numbered 1, 2, 3, and 6 are determined.
- the frame is configured as an MBSFN subframe; when the number of subframes is 5, it is determined that the subframes numbered 1, 2, 3, 6, and 7 are configured as MBSFN subframes; when the number of subframes is 6, the number is determined.
- Subframes of 1, 2, 3, 6, 7, and 8 are configured as MBSFN subframes. The above process can be better understood by the MBSFN subframe allocation as shown in Table 3. Subframe division S
- the method of setting the MBSFN subframe configuration rule to the subframes numbered 4 and 9 is not configured as the MBSFN subframe, and the UE passes the configuration rule.
- the system broadcast message can determine the subframe configured as the MBSFN subframe, and does not need to determine the subframe configured as the MBSFN subframe depending on the number of paging subframes.
- Embodiment 2 According to an embodiment of the present invention, a method for configuring a multicast/broadcast subframe on a single frequency network is provided, where each radio frame includes ten subframes numbered 0-9. That is, the subframes numbered #0, #1, ....#8, #9.
- Step S302 Pre-set a single-frequency multicast/broadcast MBSFN sub-network a frame configuration rule, where the configuration rule is that the subframe configured as the MBSFN subframe includes 6 subframes numbered 1, 2, 3, 6, 7, and 8; and in step S304, the MBSFN subframe configuration is performed according to the configuration rule. And sending a system broadcast message to the UE, where the system broadcast message carries the MBSFN subframe number information.
- step S304 the operation of performing MBSFN subframe configuration according to the configuration rule is specifically: when the number of MBSFN subframes is 1, the subframe numbered 1 is configured as an MBSFN subframe; and the number of MBSFN subframes When it is 2, the subframes with the number 1 and 2 are configured as MBSFN subframes; when the number of MBSFN subframes is 3, ⁇ !
- the subframes with the number 1, 2, and 3 are configured as MBSFN subframes; when the number of MBSFN subframes is 4, the subframes with the number 1, 2, 3, and 6 are configured as MBSFN subframes; When the number of frames is 5, the subframes numbered 1, 2, 3, 6, and 7 are configured as MBSFN subframes; when the number of MBSFN subframes is 6, ⁇ ! The subframes numbered 1, 2, 3, 6, 7, and 8 are configured as MBSFN subframes.
- the method of setting the MBSFN subframe configuration rule to the subframes numbered 4 and 9 is not configured as the MBSFN subframe, so that the MCE does not need to coordinate with the eNode B when performing the MBSFN subframe configuration.
- Embodiment 3 a method for configuring a multicast/broadcast subframe on a single frequency network is provided, where each radio frame includes ten subframes numbered 0-9, that is, , Subframes numbered #0, #1, ....#8, #9. 4 is a flowchart of a method for acquiring a multicast/broadcast subframe on a single-frequency network according to Embodiment 3 of the present invention. As shown in FIG.
- the method includes: Step S402: Pre-set a single-frequency multicast/broadcast MBSFN sub-network a frame configuration rule, according to the configuration rule, the subframes numbered 4 and 9 are not configured as MBSFN subframes; Step S404, performing MBSFN subframe configuration and channel estimation according to the configuration rule; wherein, the MBSFN subframe configuration is performed according to the configuration rule.
- the operation is the same as that in the second embodiment, and is not described in detail here.
- the operation of performing channel estimation according to the configuration rule is specifically: the UE determines the MB SFN subframe according to the number of MB SFN subframes in the received system broadcast message.
- the UE determines the subframe configured as the MBSFN subframe according to the determined number and the configuration rule, and performs channel estimation according to the determined result.
- the method of setting the MBSFN subframe configuration rule to the subframes numbered 4 and 9 is not configured as the MBSFN subframe, so that the MCE does not need to coordinate with the eNode B when performing the MBSFN subframe configuration. It is possible to determine which subframes can be configured as MB SFN subframes, thereby simplifying the MCE configuration process.
- the UE can determine the subframes configured as MBSFN subframes through the configuration rule and the system broadcast message, without relying on searching.
- FIG. 5 is a structural block diagram of a device for indicating a multicast/broadcast subframe on a single frequency network according to the first embodiment of the present invention. As shown in FIG. 5, the device includes: a storage module 52, an obtaining module 54 and a determining module 56. The above structure will be described in detail.
- the storage module 52 is configured to store a preset single-frequency network multicast/broadcast MBSFN subframe configuration rule, where the configuration rule is that the subframe configured as an MBSFN subframe includes numbers 1, 2, 3, 6, 7,
- the obtaining module 54 is configured to obtain a system broadcast message from the base station, where the system broadcast message carries the MBSFN subframe configuration information, and the determining module 56 is connected to the storage module 52 and the obtaining module 54 for The subframe configuration is determined according to the preset configuration rule stored by the storage module 52 and the MBSFN subframe configuration information acquired by the obtaining module 54.
- the determining module 56 determines, according to the MBSFN subframe number information, the number of subframes configured as the MSBFN subframe, and then determines, according to the determined number of subframes, that the subframe is numbered as the MBSFN sub-frame.
- the method of setting the MBSFN subframe configuration rule to the subframes numbered 4 and 9 is not configured as the MBSFN subframe, and the different configurations are different in different paging scenarios.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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RU2011111364/07A RU2469489C2 (ru) | 2008-08-21 | 2009-06-17 | Способ получения/конфигурации mbsfn подкадров и соответствующее устройство получения |
EP09807833.0A EP2328314B1 (en) | 2008-08-21 | 2009-06-17 | A method for acquiring/configuring the multicast/broadcast over single frequency network sub-frame and an acquiring apparatus thereof |
CN2009801412082A CN102187633A (zh) | 2008-08-21 | 2009-06-17 | 单频网上多播/广播子帧的获取/配置方法及获取装置 |
KR1020117006511A KR101238483B1 (ko) | 2008-08-21 | 2009-06-17 | 단일 주파수 네트워크 상의 멀티캐스트/브로드캐스트 서브 프레임의 취득/구성 방법 및 취득 장치 |
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CN2008102100738A CN101656717B (zh) | 2008-08-21 | 2008-08-21 | 单频网上多播/广播子帧的获取/配置方法及获取装置 |
CN200810210073.8 | 2008-08-21 |
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US9107186B2 (en) | 2011-02-23 | 2015-08-11 | Qualcomm Incorporated | Carrier aggregation for evolved multimedia broadcast multicast service enhancement |
US9160592B2 (en) | 2011-02-23 | 2015-10-13 | Qualcomm Incorporated | System and method for single carrier optimization for evolved multimedia broadcast multicast service |
WO2014153705A1 (zh) * | 2013-03-25 | 2014-10-02 | 华为技术有限公司 | 新载波类型小区的业务处理方法、装置及通信系统 |
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EP2328314B1 (en) | 2018-04-18 |
KR101238483B1 (ko) | 2013-03-04 |
RU2011111364A (ru) | 2012-09-27 |
KR20110050525A (ko) | 2011-05-13 |
CN102187633A (zh) | 2011-09-14 |
CN101656717B (zh) | 2013-06-05 |
EP2328314A4 (en) | 2015-11-04 |
RU2469489C2 (ru) | 2012-12-10 |
CN101656717A (zh) | 2010-02-24 |
EP2328314A1 (en) | 2011-06-01 |
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