CN102036171B - Transmission method and system for subframe identification information - Google Patents
Transmission method and system for subframe identification information Download PDFInfo
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- CN102036171B CN102036171B CN200910174596.6A CN200910174596A CN102036171B CN 102036171 B CN102036171 B CN 102036171B CN 200910174596 A CN200910174596 A CN 200910174596A CN 102036171 B CN102036171 B CN 102036171B
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention relates to a transmission method and a system for subframe identification information, belonging to the field of communication. The method comprises the following steps: a transmitting end transmits the subframe identification information to an R10 receiving end in a physical downlink control channel (PDCCH) configured for transmitting a multicast broadcast single-frequency network (MBSFN) subframe of a physical downlink shared channel (PDSCH) for the R10 receiving end, wherein the subframe identification information is used for indicating that the MBSFN subframe is a multicast MBSFN subframe for transmitting PDSCH of the R10 receiving end. With a technical scheme of the invention, aim of an indication subframe can be effectively implemented, rapidity of indication information can be satisfied, and by adopting the method, the system is suitable for transmitting the indication information without increasing complexity of the receiving end.
Description
Technical field
The invention belongs to communication field, particularly a kind of transmission method of subframe identification information and system.
Background technology
Along with the fast development of Internet and the universal of large-screen multi-functional mobile phone, a large amount of Mobile data multimedia service and various high bandwidth multimedia service are there is, such as, video conference, television broadcasting, video request program, advertisement, online education, interactive game etc., this meets the business demand that mobile subscriber constantly rises on the one hand, simultaneously also for mobile operator brings new business growth point.The multiple user of these Mobile data multimedia service requirements can receive identical data simultaneously, compared with general data service, has the features such as data volume is large, duration length, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3rd GenerationPartnership Project, 3GPP) propose MBMS (Multimedia Broadcast MulticastServices, multimedia broadcast multicast service), this business is a kind of technology transmitting data from a data source to multiple target, achieve sharing of network (comprising core net and Access Network) resource, improve the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition can not only realize classes of messages multicast and the broadcast of plain text low rate, but also broadcast and the multicast of high-speed multimedia service can be realized, multiple abundant video, audio frequency and multimedia service are provided, this has complied with the trend of following Mobile data development undoubtedly, and the development for 3G provides better business prospect.
In LTE Release 8/9, regulation uses MBSFN (Multicast Broadcast SingleFrequency Network, Multicast Broadcast Single Frequency Network) sub-frame transmission MBMS, but not all MBSFN sub-frame is all used for MBMS transmission business, MBSFN sub-frame also has other purposes, such as positioning service, relay business etc.
At present, specify in LTE Release 8/9, use dual unit method to configure MBSFN radio frames and the MBSFN sub-frame of bearing MBMS service, specifically describe as follows:
The first order realizes the MBSFN radio frames configuration of carrying MBMS, meets equation below:
SFN mod radioFrameAllocationPeriod＝radioFrameAllocationOffset
Wherein SFN is the abbreviation of System Frame Number System Frame Number, is the radio frames numbering of system, from 0 to 1023; RadioFrameAllocationPeriod represents MBSFN wireless frame period, and it can be got, and { in 1,2,4,8,16,32}, any one is worth; RadioFrameAllocationOffset represents the skew of MBSFN radio frames, and its value is integer and is less than the numerical value of selected MBSFN wireless frame period, is more than or equal to 0; Mod represents that SFN is to radioFrameAllocationPeriod delivery or complementation.
The second level realizes which the MBSFN sub-frame bearing MBMS service concrete in the MBSFN radio frames of bearing MBMS service, use the method instruction of bitmap, owing to specifying subframe #0 under fdd mode in LTE, #4, #5, #9 can not bearing MBMS services, subframe #0 under tdd mode, #1, #5, #6 can not bearing MBMS services, therefore, the bitmap of 6 bits is used just can to describe remaining 6 which bearing MBMS services of subframe.And the MBSFN sub-frame configuration of bearing MBMS service in each MBSFN radio frames is identical.Because dual unit configuration signal sends to terminal on BCCH (Broadcast ControlChannel, Broadcast Control Channel), therefore within each BCCH amendment cycle, the MBSFN sub-frame configuration in MBSFN radio frames can not change.
At present, the information being used for describing MBSFN sub-frame distribution at LTE Release 8/9 is carried on BCCH (Broadcast Control Channel, Broadcast Control Channel) SIB2 (System InformationBlock2, system information block 2) in.OFDM (Orthogonal FrequencyDivision Multiplexing before MBSFN sub-frame, OFDM) symbol is PDCCH (Physical DownlinkControl Channel, Physical Downlink Control Channel) take, OFDM symbol is below PMCH (Physical Multicast Channel, Physical Multicast Channel) take, as shown in Fig. 1 (a); When MBSFN sub-frame transmission unicast service, PMCH thereafter becomes PDSCH (PhysicalDownlink Shared Channel, Physical Downlink Shared Channel) accordingly.The detailed description of MBSFN sub-frame and Non-MBSFN subframe can with reference to 36.211,36.212 and 36.213 agreements.
And at present, in LTE-Advanced (also referred to as LTE R10) system, having agreed to use MBSFN sub-frame, (R10 receiving terminal can be understood as a class for R10 receiving terminal, distinguish over R8/R9 receiving terminal) transmit PDSCH, PDSCH is transmit unicast service (unicast), has namely agreed in LTE-Advanced use the receiving terminal transmission unicast service that MBSFN sub-frame is R10.
Consider, R10 is had in the future in LTE-Advanced, R9, the receiving terminal of R8, and in LTE-Advanced system, have employed new efficient pilot tone, R8, the receiving terminal of R9 can not identify these new pilot tones, if dispatch R8 in a subframe simultaneously, R9, R10 receiving terminal, this subframe must use old pilot tone, but system effectiveness can be caused like this to decline, therefore preferably the receiving terminal of R10 is dispatched in a subframe, this subframe can use the efficient pilot tone into the design of R10 receiving terminal, and R8, the receiving terminal of R9 does not receive PDSCH in these subframes for the configuration of R10 receiving terminal, directly skip these subframes.The PDSCH directly skipping all MBSFN sub-frame according to existing protocol for R8 receiving terminal, the agreement of R9 is formulated, R9 receiving terminal is also in MBSFN sub-frame, do not receive PDSCH so far, therefore MBSFN sub-frame can be made to be R10 receiving terminal transmission PDSCH, but because the MBSFN sub-frame of configuration has more purposes, and do not know which MBSFN sub-frame can be used for as the receiving terminal of R10 transmits unicast service.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of transmission method and system of subframe identification information, thus can be designated as R10 receiving terminal the MBSFN sub-frame identification information that it transmits unicast service.
In order to solve the problem, the invention discloses a kind of transmission method of subframe identification information, comprising:
Transmitting terminal sends subframe identification information to R10 receiving terminal in the Physical Downlink Control Channel (PDCCH) of Multicast Broadcast Single Frequency Network (MBSFN) subframe being configured to R10 receiving terminal transmitting physical DSCH Downlink Shared Channel (PDSCH), wherein, described subframe identification information be used to indicate described MBSFN sub-frame be for R10 receiving terminal transmission PDSCH multicast MBSFN sub-frame.
Further, in said method, described R10 receiving terminal detects described subframe identification information on the PDCCH of each subframe, when described R10 receiving terminal detects described subframe identification information, in this subframe, detect the schedule information of the PDSCH of oneself again, then receive PDSCH data according to PDSCH schedule information.
Wherein, described subframe identification information is carried on the default search space of PDCCH by described transmitting terminal, or the Catalog Search space of PDCCH, or in the search space calculated by the ad Hoc wireless network temporary mark (RNTI) preset.
Described subframe identification information is carried on the default search space of described PDCCH by described transmitting terminal, or during the Catalog Search space of described PDCCH:
Described transmitting terminal by the middle reserved bit of a certain descending control information format of arranging in described PDCCH as described subframe identification information, or by added bits in a certain DCI format of arranging in described PDCCH as described subframe identification information.
The invention also discloses a kind of transmission method of subframe identification information, comprising:
The subframe identification information of Multicast Broadcast Single Frequency Network (MBSFN) subframe being configured to R10 receiving terminal transmission Physical Downlink Shared Channel (PDSCH) is sent to R10 receiving terminal with the forms of broadcasting by transmitting terminal.
Further, in said method, described subframe identification information is used to indicate for R10 receiving terminal sends the MBSFN sub-frame of PDSCH in a certain cycle, or is used to indicate all MBSFN sub-frame into R10 receiving terminal transmission PDSCH.
Described R10 receiving terminal receives described subframe identification information, and described subframe identification information indicate be R10 receiving terminal send PDSCH MBSFN sub-frame on detect and receive PDSCH data.
Wherein, described subframe identification information is carried in Broadcast Control Channel (BCCH) or dedicated signaling and periodically sends to R10 receiving terminal with the forms of broadcasting by described transmitting terminal.
When described subframe identification information is carried in BCCH and sends to described R10 receiving terminal by described transmitting terminal, carry described subframe identification information in the system information block of described transmitting terminal in described BCCH (SIB) 2, or in described BCCH, increase SIB newly to carry described subframe identification information.
When described transmitting terminal increases SIB newly to carry described subframe identification information in described BCCH, described transmitting terminal is also described newly-increased SIB config update announcement information, and this update notification information is used for notifying described in described R10 receiving terminal, whether subframe identification information upgrades.
The same update notification information of update notification information commons of other SIB in the update notification information of described newly-increased SIB and BCCH, or the special update notification information being different from the update notification information of other SIB in BCCH is set for the update notification information of described newly-increased SIB.
The update notification information of described newly-increased SIB is carried on beep-page message and sends to described R10 receiving terminal by described transmitting terminal.
The schedule information of described newly-increased SIB is carried in SIB1 and sends to described R10 receiving terminal by described transmitting terminal.
Described transmitting terminal described update notification information is carried on PDCCH agreement position on send.
When described subframe identification information is carried in described dedicated signaling and sends to described R10 receiving terminal by described transmitting terminal, the sending mode of described dedicated signaling adopts point-to-multipoint broadcast mode.
Described transmitting terminal is also described dedicated signaling config update announcement information, this update notification information is used for notifying described in described R10 receiving terminal, whether dedicated signaling upgrades, wherein, the update notification information of described dedicated signaling is carried in beep-page message or PDCCH and sends to described R10 receiving terminal by described transmitting terminal.
Described transmitting terminal is the described dedicated signaling configure dedicated signaling amendment cycle, and sends described update notification information within the described dedicated signaling amendment cycle; Or
Described transmitting terminal only periodically sends described dedicated signaling, and sends described update notification information within each cycle sending described dedicated signaling.
The invention also discloses a kind of transmission system of subframe identification information, comprise transmitting terminal and R10 receiving terminal, wherein:
Described transmitting terminal, subframe identification information be sent to R10 receiving terminal in the Physical Downlink Control Channel (PDCCH) of Multicast Broadcast Single Frequency Network (MBSFN) subframe being configured to R10 receiving terminal transmitting physical DSCH Downlink Shared Channel (PDSCH), wherein, described subframe identification information be used to indicate described MBSFN sub-frame be for R10 receiving terminal transmission PDSCH multicast MBSFN sub-frame;
Described R10 receiving terminal, the PDCCH of each subframe detects described subframe identification information, when described R10 receiving terminal detects described subframe identification information, then in this subframe, detect the schedule information of PDSCH of oneself, then receive PDSCH data according to PDSCH schedule information.
Further, in said system, described transmitting terminal, is carried on the default search space of PDCCH by described subframe identification information, or the Catalog Search space of PDCCH, or in the search space calculated by the ad Hoc wireless network temporary mark (RNTI) preset.
Described subframe identification information is carried on the default search space of described PDCCH by described transmitting terminal, or during the Catalog Search space of described PDCCH:
Described transmitting terminal by the middle reserved bit of a certain descending control information format of arranging in described PDCCH as described subframe identification information, or by added bits in a certain DCI format of arranging in described PDCCH as described subframe identification information.
Further, in said system, described transmitting terminal, also for the subframe identification information of Multicast Broadcast Single Frequency Network (MBSFN) subframe being configured to R10 receiving terminal transmission Physical Downlink Shared Channel (PDSCH) is sent to R10 receiving terminal with the forms of broadcasting;
Described R10 receiving terminal, also for receiving described subframe identification information, and described subframe identification information indicate be R10 receiving terminal send PDSCH MBSFN sub-frame on detect and receive PDSCH data.
Described subframe identification information is used to indicate for R10 receiving terminal sends the MBSFN sub-frame of PDSCH in a certain cycle, or is used to indicate all MBSFN sub-frame into R10 receiving terminal transmission PDSCH.
Described subframe identification information is carried in Broadcast Control Channel (BCCH) or dedicated signaling and periodically sends to R10 receiving terminal with the forms of broadcasting by described transmitting terminal.
When described subframe identification information is carried in BCCH and sends to described R10 receiving terminal by described transmitting terminal, carry described subframe identification information in the system information block of described transmitting terminal in described BCCH (SIB) 2, or in described BCCH, increase SIB newly to carry described subframe identification information.
Wherein, when described transmitting terminal increases SIB newly to carry described subframe identification information in described BCCH, described transmitting terminal is also described newly-increased SIB config update announcement information, and this update notification information is used for notifying described in described R10 receiving terminal, whether subframe identification information upgrades.
When described subframe identification information is carried in described dedicated signaling and sends to described R10 receiving terminal by described transmitting terminal, the sending mode of described dedicated signaling adopts point-to-multipoint broadcast mode.
Described transmitting terminal is also described dedicated signaling config update announcement information, this update notification information is used for notifying described in described R10 receiving terminal, whether dedicated signaling upgrades, wherein, the update notification information of described dedicated signaling is carried in beep-page message or PDCCH and sends to described R10 receiving terminal by described transmitting terminal.
Adopt technical solution of the present invention effectively can realize indicating the object of subframe, the rapidity of indication information can be met, and under the prerequisite of complexity not increasing receiving terminal, be applicable to sending indication information.
Accompanying drawing explanation
Fig. 1 (a) is the structural representation of existing MBSFN sub-frame;
Fig. 1 (b) is the structural representation of existing Non-MBSFN subframe;
Fig. 2 (a) is the flow chart of embodiment 1;
Fig. 2 (b) is embodiment 1 figure;
Fig. 3 is the flow chart of embodiment 2;
Fig. 4 is the SIB transmission flow figure in BCCH;
Fig. 5 is the update mechanism schematic diagram of the SIBnew of BCCH in embodiment 2;
Fig. 6 is embodiment 3 flow chart.
Embodiment
Below in conjunction with drawings and the specific embodiments, technical solution of the present invention is described in further detail.
A transmission system for subframe identification information, at least comprises transmitting terminal and R10 receiving terminal.
Transmitting terminal (base station, MCE or relay), is mainly used in the subframe identification information of the MBSFN sub-frame for R10 receiving terminal transmission PDSCH of configured in advance to send to R10 receiving terminal;
Wherein, transmitting terminal, subframe identification information can be carried on PDCCH and send to R10 receiving terminal, now, subframe identification information is carried on the default search space of PDCCH, or the Catalog Search space of PDCCH, or utilize the special RNTI preset to calculate the search space of subframe identification information carrying, particularly, can by the reserved bit of DCI format in PDCCH, or in PDCCH in arbitrary DCI format added bits with carrier frame identification information, or use preset special RNTI as subframe identification information; After determining subframe identification information, default special RNTI scrambling subframe identification information can be used, then sending by the subframe identification information after the special RNTI scrambling preset, thus achieve and use described RNTI as a mark of subframe identification information in PDCCH, receiving terminal retrieves subframe identification information by described mark in PDCCH;
Transmitting terminal, can also be carried on subframe identification information on BCCH and send to R10 receiving terminal, now, in the SIB2 of BCCH, or can increase SIB newly with carrier frame identification information on BCCH; Particularly, when adopting the SIB2 carrier frame identification information on BCCH, use existing update notification mechanism, and (existing update notification mechanism is shown in LTE protocol 36.331_860 to use SIB2 existing update notification information, update notification information is at PCH (Paging Channel, paging channel) middle carrying, detailed in 36.331_860), wherein, update notification information is for notifying more whether this subframe identification information sent of R10 receiving terminal and the subframe identification information sent last time upgrade; If when newly increasing SIB with carrier frame identification information on BCCH, existing update notification mechanism can be adopted, and share same update notification information with other existing SIB; Or newly-increased SIB uses existing update mechanism, but do not share update notification information with other SIB, but have oneself independently update notification information; Or newly-increased SIB uses new update mechanism and update notification information, and new update mechanism carrys out bearer update announcement information by PDCCH.
Transmitting terminal, the dedicated signaling that subframe identification information can also be carried on point-to-multipoint broadcast mode sends, now, transmitting terminal also can be subframe identification information config update informing mechanism, config update announcement information, dedicated signaling adopts the cycle to send, or the mode adopting repetition period and amendment cycle to combine sends, wherein, when transmitting terminal adopts BCCH or dedicated signaling carrier frame identification information, so subframe identification information function is, describe that a little MBSFN sub-frame be for R10 receiving terminal transmission PDSCH subframe, can be the information of a description sub-frame configuration rule, the subframe that such as subframe numbers can be divided exactly by 2, it is such as the subframe that in one-period, subframe numbers can be divided exactly by 2, if the subframe identification information carried by the PDCCH of each subframe, so this subframe identification information is whether only identify this subframe be MBSFN sub-frame for R10 receiving terminal transmission PDSCH.
R10 receiving terminal, refer to the receiving terminal (as mobile phone terminal, notebook terminal or relay) of the standard production according to LTE-Advanced, by receiving above-mentioned subframe identification information, and according to received subframe identification information, know that or which MBSFN sub-frame are R10 receiving terminal transmission PDSCH data;
Wherein, when transmitting terminal adopts PDCCH carrier frame identification information, when so R10 receiving terminal receives subframe, if have received above-mentioned subframe identification information in the PDCCH of this subframe, then represent that present sub-frame is the MBSFN sub-frame for R10 receiving terminal transmission PDSCH, now, R10 receiving terminal continues to detect to have in the PDCCH of this subframe does not have the schedule information of the PDSCH of this receiving terminal (concrete detection method is with reference to LTE protocol 36.212 and 36.211), if had, R10 receiving terminal resolves the schedule information of PDSCH, and receive data according to schedule information at the data field of this subframe, if there is no the schedule information of PDSCH, then do not receive the data field of this subframe,
When transmitting terminal adopts BCCH or dedicated signaling carrier frame identification information, when R10 receiving terminal receives above-mentioned subframe identification information from BCCH or dedicated signaling, can know that those MBSFN sub-frame are for R10 receiving terminal transmission PDSCH, in this kind of subframe afterwards, R10 receiving terminal detects the schedule information of the PDSCH whether having oneself in the PDCCH of these subframes, if the schedule information of the PDSCH of oneself detected, the data of resolving in one's own PDSCH are then received according to schedule information, otherwise, do not receive PDSCH;
R10 receiving terminal also wants Real-Time Monitoring update notification information, and there occurs renewal when the update notification information notification subframe identification information monitored compares with the subframe identification information received before, so, R10 receiving terminal will receive subframe identification information again.
The process that said system is transmitted as the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH is introduced below according to embody rule scene.
Embodiment 1
The present embodiment is carried as the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH for PDCCH, the detailed process of transmission subframe identification information is described, this process, as shown in Fig. 2 (a), comprises the following steps:
Step 200: system configuration is the MBSFN sub-frame of R10 receiving terminal transmission PDSCH, and forms subframe identification information in these subframes;
In this step, transmitting terminal is by the MBSFN sub-frame being configured to R10 receiving terminal transmission PDSCH one or more in the MBSFN sub-frame by MBSFN-SubframeConfigList configuration in SIB2, or transmitting terminal is in order to improve the efficiency of system, too much MBSFN sub-frame can be configured by MBSFN-SubframeConfigList in SIB2, further too much MBSFN sub-frame is designated as the MBSFN sub-frame of R10 receiving terminal transmission PDSCH again, can certainly comprise one or more is the subframe of unicast sub-frame before, be configured to again the subframe into R10 receiving terminal transmission PDSCH afterwards,
Wherein, system comprises base station, MCE (Multi-cell/multicast Coordination Entity, multiple cell coordination entity) and relay station (relay).
Step 210: the subframe identification information of the above-mentioned MBSFN sub-frame for R10 receiving terminal transmission PDSCH is carried on (as Suo Shi Fig. 2 (b)) on PDCCH and sends by transmitting terminal (for base station or relay station), wherein, namely subframe identification information represents whether present sub-frame is the MBSFN sub-frame that R10 receiving terminal transmits PDSCH;
In this step, subframe identification information is carried on as sending in the PDCCH in the MBSFN sub-frame of R10 receiving terminal transmission PDSCH by transmitting terminal, wherein, transmitting terminal can carrier frame identification information in the search space of prior agreement on PDCCH, such as, carrier frame identification information in 8 CCEs (Control Channel Element, control channel element) of 17 to 24 can be numbered on PDCCH; And for example, can in the Catalog Search space of PDCCH carrier frame identification information because Catalog Search space is the space appointed in PDCCH in current LTE, be mainly used in carrying the control information of public information, like this, receiving terminal retrieval rate is very fast; And for example, transmitting terminal can calculate the carrying position of subframe identification information in PDCCH (circular can carry the determination mode of position in PDCCH with reference to the PDSCH schedule information calculating a certain receiving terminal by C-RNTI in LTE, agreement is 36.212 and 36.211) by the special RNTI of agreement.Wherein, transmitting terminal sends the particular location of subframe identification information at PDCCH, can be that transmitting terminal and receiving terminal are appointed in advance, also can be that the special RNTI calculating that receiving terminal passes through to arrange is known;
Particularly, the reservation bit of existing a certain DCI format in PDCCH (reserved bit as in existing format 1A) can be utilized to represent subframe identification information, or in PDCCH, increase new indicating bit for carrier frame identification information in existing a certain DCI format, such as, whether can increase corresponding bit information in existing format0, being used to indicate this MBSFN sub-frame is the MBSFN sub-frame that R10 receiving terminal transmits PDSCH.
The corresponding position of step 220:R10 receiving terminal first on PDCCH receives detects subframe identification information, and according to the subframe identification information after parsing, carries out corresponding operating;
In this step, when the subframe identification information that R10 receiving terminal is resolved represents that present sub-frame is not the MBSFN sub-frame for R10 receiving terminal transmission PDSCH, R10 receiving terminal no longer continues the schedule information detecting PDSCH in PDCCH, does not receive the data field of present sub-frame; The subframe identification information of resolving when R10 receiving terminal represents that present sub-frame is the MBSFN sub-frame for R10 receiving terminal transmission PDSCH, in the PDCCH of present sub-frame, then continue to detect have the schedule information not having this receiving terminal PDSCH, if had, R10 receiving terminal resolves the schedule information of PDSCH, and receive data according to schedule information at the data field of this subframe, if there is no the schedule information of PDSCH, then do not receive the data field of this subframe;
Wherein, when the subframe identification information of present sub-frame represents that this subframe is the MBSFN sub-frame for R10 transmission PDSCH, R10 receiving terminal is identical with the data field process of Non-MBSFN subframe in LTE system to the data field process of this subframe, control domain distributes at most 2 OFDM symbol, and process uses 2 OFDM symbol identical with Non-MBSFN subframe control domain;
R10 receiving terminal receives the position of subframe identification information, relevant with the mode that transmitting terminal uses, and such as, during transmitting terminal use Catalog Search space carrier frame identification information, R10 receiving terminal then receives subframe identification information in Catalog Search space;
Wherein, R10 receiving terminal is mobile phone terminal, notebook terminal or relay.
In other scenes, transmitting terminal is RNTI (the Radio NetworkTemporary Identifier of subframe identification information configure dedicated, Radio Network Temporary Identifier) time, whether this special RNTI is used for indicating this MBSFN sub-frame to receiving terminal is MBSFN sub-frame for R10 receiving terminal transmission PDSCH, particularly, when using special RNTI, CRC (CyclicRedundancy Check can be added for subframe identification information, cyclic redundancy check (CRC)) check bit, then special RNTI scrambling CRC check bit is used, be carried in PDCCH after again the data obtained being carried out modulating-coding, now, subframe identification information can be carried on the Catalog Search space of PDCCH by transmitting terminal, or (it is identical that circular and receiving terminal in existing LTE system calculate according to C-RNTI (Cell RNTI) computational methods carrying search space original position in the search space original position of PDCCH to calculate subframe identification information according to special RNTI, can with reference to 36.212).
Embodiment 2
The present embodiment is carried as the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH for BCCH, the detailed process of transmission subframe identification information is described, this process, as shown in Fig. 3 (a), comprises the following steps:
Step 300: system configuration is the MBSFN sub-frame of R10 receiving terminal transmission PDSCH, forms subframe identification information;
In this step, transmitting terminal is by the MBSFN sub-frame being configured to R10 receiving terminal transmission PDSCH one or more in the MBSFN sub-frame by MBSFN-SubframeConfigList configuration in SIB2, or transmitting terminal is in order to improve the efficiency of system, too much MBSFN sub-frame can be configured by MBSFN-SubframeConfigList in SIB2, further too much MBSFN sub-frame is designated as the MBSFN sub-frame of R10 receiving terminal transmission PDSCH again, can certainly comprise one or more is the subframe of unicast sub-frame before, be configured to again the subframe into R10 receiving terminal transmission PDSCH afterwards,
Wherein, system refers to base station, MCE (Multi-cell/multicast Coordination Entity, multiple cell coordination entity) or relay station (relay).
Step 310: the subframe identification information of the above-mentioned MBSFN sub-frame for R10 receiving terminal transmission PDSCH is carried on BCCH and sends by transmitting terminal (base station or relay), wherein, it is MBSFN sub-frame for R10 receiving terminal transmission PDSCH that subframe identification information describes that or which MBSFN sub-frame, can be the information of a description sub-frame configuration rule, such as, subframe identification information can indicate the MBSFN sub-frame for R10 receiving terminal transmission PDSCH in a certain cycle, or can be designated as all MBSFN sub-frame of R10 receiving terminal transmission PDSCH;
In this step, can on BCCH carrier frame identification information in existing a certain SIB, owing to SIB2 having carried the configuration information of the MBSFN sub-frame of LTE R8/9, if in LTE R10, continue to use the SIB2 in R8/9 to be carried as the subframe identification information of the MBSFN sub-frame of R10 transmission PDSCH, then without the need to increasing new SIB, namely SIB quantity can be reduced, the scheduling simplifying SIB sends, therefore the SIB2 carrier frame identification information in the present embodiment in preferred BCCH, now, if for the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH upgrades, the SIB2 then carrying this subframe identification information still upgrades according to existing update notification mechanism, the update notification mechanism of existing SIB2 is with reference to LTE protocol 36.331.
Step 320:R10 receiving terminal receives the SIB of carrier frame identification information in BCCH, knows that those MBSFN sub-frame are the subframes for R10 receiving terminal transmission PDSCH, and in these subframes, detect reception PDSCH data;
In this step, after R10 receiving terminal obtains subframe identification information, can know that those MBSFN sub-frame are for R10 receiving terminal transmission PDSCH, in this kind of subframe afterwards, R10 receiving terminal detects the schedule information having in the PDCCH of this kind of subframe and do not have this receiving terminal PDSCH further, if had, R10 receiving terminal resolves the schedule information of PDSCH again, and receive data according to schedule information at the data field of this subframe, if there is no the schedule information of PDSCH, then do not receive the data field of this subframe, wherein, R10 receiving terminal sends the mode of subframe identification information according to transmitting terminal, corresponding mode is adopted to receive the SIB of carrier frame identification information, wherein, R10 receiving terminal comprises mobile phone terminal, notebook terminal and relay.
In an embodiment, transmitting terminal can also adopt the SIB (being hereinafter SIBnew) newly increased to be carried as the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH, wherein, the scheduling of newly-increased SIBnew can be realized by SIB1, namely the schedule information of SIBnew is carried in SIB1 as the schedule information of other SIB (such as SIB2), R10 receiving terminal (UEs in RRC_CONNECTED or RRC_IDLE state) for connection status or idle condition should receive the SIBnew of carrier frame identification information, it is only the information that LTER10 is relevant that this SIBnew can also be used for carrying in LTE R10 system, namely can be understood as and SIBnew is become the system information block being exclusively used in the distinctive information of carrying LTE R10 system, can accomplish that all R10 receiving terminals receive the relevant information that SIBnew obtains LTE R10 system like this, and R8/R9 receiving terminal can not receive this SIBnew, thus realize the power saving of R8/R9 receiving terminal,
The update mechanism of this SIBnew then can adopt the update notification mechanism of the existing SIB of current LTE R8/9 (such as SIB2), same update notification information is shared with other SIB existing, namely update notification information is the systemInfoModification parameter in paging message (beep-page message), whether be used to refer to SIBnew to upgrade, concrete use can with reference to the description in LTE protocol 36.331_860.Scheduling about SIBnew sends, a certain (or multiple) SIB that SIBnew and other R8/R9 receiving terminals can be able to be identified dispatches at same SI (System Information, system message) the interior transmission of window, now, all receiving terminals receive SIBnew and a certain (or multiple) SIB simultaneously, like this, although for not identifying that the R8/R9 receiving terminal of SIBnew can cause waste of energy, but for having the R10 receiving terminal of ability of compatible R8/R9, then can all identify, and transmitting terminal scheduling is simple; Transmitting terminal also can by SIBnew and a certain (or multiple) SIB (these SIB, R8/R9 receiving terminal can identify) dispatch respectively and send in different SI windows, such R10 receiving terminal is received in the SIB receiving transmission in two SI windows respectively, because R8/R9 receiving terminal can not identify SIBnew, so the receiving terminal of R8/R9 not receiving scheduling can be selected to send SIBnew SI window in SIBnew, thus the power saving of R8/R9 receiving terminal can be helped;
When using existing update notification mechanism, certain SIBnew can also adopt other update notification information, such as, a newly-increased update notification information in paging message, whether be used to indicate SIBnew to upgrade, original systemInfoModification sign position is invalid for SIBnew.When using newly-increased update notification information can use 1 bit to describe the update status of SIBnew, for time " 1 ", this bit can represent that SIBnew upgrades, and can represent that SIBnew does not upgrade when this bit is " 0 ";
And for example, for existing BCCH update notification mechanism, owing to comprising a lot of SIB in BCCH, and the information updating of these SIB is comparatively slow, that is the renewal of SIBnew can be caused also to be become slower, as shown in Figure 4, therefore transmitting terminal can use new update notification mechanism, namely update notification information is carried in PDCCH and notifies whether receiving terminal SIBnew upgrades.Be specially update notification information is carried on PDCCH agreement position on (be such as carried on PDCCH Catalog Search space, or other configure dedicated search space in PDCCH), as shown in Figure 5, within the BCCH amendment cycle, a certain moment subframe identification information upgrades, the subframe identification information that transmitting terminal then sends in update notification message notice receiving terminal SIBnew on the PDCCH of subframe there occurs renewal, and transmitting terminal is dispatched immediately and is sent the SIBnew after upgrading, after R10 receiving terminal receives the update notification information be carried in the PDCCH of subframe, if update notification information notification receiving terminal SIBnew upgrades, then receiving terminal receives the SIBnew after renewal immediately, adopt this kind machine-processed time, R10 receiving terminal must monitor the SIBnew update notification information in PDCCH, after discovery update notification information instruction SIBnew upgrades, the SIBnew of renewal will be received immediately, obtain new subframe identification information.
Embodiment 3
The present embodiment is carried as the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH for dedicated signaling, the detailed process of transmission subframe identification information is described, this process as shown in Figure 6, comprises the following steps:
Step 600: system configuration is the MBSFN sub-frame of R10 receiving terminal transmission PDSCH, forms subframe identification information;
In this step, transmitting terminal is by the MBSFN sub-frame being configured to R10 receiving terminal transmission PDSCH one or more in the MBSFN sub-frame by MBSFN-SubframeConfigList configuration in SIB2, or transmitting terminal is in order to improve the efficiency of system, too much MBSFN sub-frame can be configured by MBSFN-SubframeConfigList in SIB2, further too much MBSFN sub-frame is designated as the MBSFN sub-frame of R10 receiving terminal transmission PDSCH again, can certainly comprise one or more is the subframe of unicast sub-frame before, be configured to again the subframe into R10 receiving terminal transmission PDSCH afterwards,
Wherein, system refers to base station, MCE (Multi-cell/multicast Coordination Entity, multiple cell coordination entity) or relay station (relay).
Step 610: the subframe identification information of the above-mentioned MBSFN sub-frame for R10 receiving terminal transmission PDSCH is carried in dedicated signaling and sends by transmitting terminal (base station or relay station), wherein, it is subframe for R10 receiving terminal transmission PDSCH that subframe identification information describes that or which MBSFN sub-frame, can be the information of a description sub-frame configuration rule;
In this step, a dedicated signaling sent with point-to-multipoint broadcast mode for R10 receiving terminal is increased in LTE-Advanced system, the subframe identification information of the MBSFN sub-frame of R10 receiving terminal transmission PDSCH is carried as in this dedicated signaling, further, this dedicated signaling can also carry other information aiming at R10 receiving terminal colony and send;
Wherein, dedicated signaling transmit mechanism can in the following way,
The first is configure dedicated signaling amendment cycle and dedicated signaling repetition period, each amendment periodic packets is containing several repetition periods, each amendment cycle is when arriving, allow the information (comprising subframe identification information) be carried in dedicated signaling to upgrade, the information (comprising subframe identification information) carried in the dedicated signaling in the repetition period in each amendment cycle keeps identical;
The second is that dedicated signaling only periodically sends, and namely each cycle allows the information (comprising subframe identification information) be carried in dedicated signaling to upgrade;
Whether dedicated signaling adopts update notification mechanism to be optional, and the update notification mechanism of suggestion is as follows:
If the information data amount carried in dedicated signaling is larger, and when changing slower, in a preferred embodiment, can also be that dedicated signaling config update informing mechanism is to reduce the number of times that R10 receiving terminal receives dedicated signaling, reach electricity saving function, when adopting the first transmit mechanism above-mentioned to send dedicated signaling, can notify whether the content of the content of dedicated signaling that receiving terminal dedicated signaling amendment next on the horizon cycle place sends and the dedicated signaling of last time upgrades (comprising subframe identification information whether to upgrade) further, each dedicated signaling amendment cycle at least sends a update notification information, when adopting above-mentioned the second transmit mechanism to send dedicated signaling, can notify whether the dedicated signaling content of receiving terminal dedicated signaling cycle on the horizon place's transmission and the content of the dedicated signaling of last time upgrade further, particularly, can by increasing a update notification information in paging message, this update notification information uses 1 bit as flag, when this set, represent that dedicated signaling content upgrades, during this flag reset, then represent that dedicated signaling content does not upgrade.A update notification information is at least sent in each dedicated signaling cycle.
Step 620:R10 receiving terminal receives above-mentioned dedicated signaling, resolves this dedicated signaling, to obtain subframe identification information wherein, thus knows that those subframes are the MBSFN sub-frame of R10 receiving terminal transmission PDSCH, and in these subframes, detects reception PDSCH data;
In this step, if transmitting terminal is for have employed the first transmit mechanism above-mentioned, then receiving terminal only needs to receive dedicated signaling when each dedicated signaling amendment cycle place arrival, the dedicated signaling of repetition period transmission whether is received in the amendment cycle, (namely can receive and also can not receive) can be determined if received by receiving terminal oneself, 2 repetition periods of front and back can be used to send same dedicated signaling to realize soft merging decoding, improve receiving terminal performance;
If transmitting terminal adopts above-mentioned the second transmit mechanism to send dedicated signaling, then receiving terminal needs reception dedicated signaling in each cycle.
R10 receiving terminal receives and resolves subframe identification information wherein, thus know that those MBSFN sub-frame are for R10 receiving terminal transmission PDSCH, in this kind of subframe afterwards, R10 receiving terminal needs the schedule information (method of detection detects identical with R8/R9 receiving terminal, and concrete detection method is with reference to LTE protocol 36.212 and 36.211) detecting the PDSCH whether having oneself in the PDCCH of these subframes.If the schedule information for PDSCH of oneself detected, so receiving terminal then receives the data of resolving in one's own PDSCH according to schedule information.Otherwise, do not receive PDSCH.
If transmitting terminal have employed update notification mechanism, when transmitting terminal adopts the first transmit mechanism above-mentioned to send dedicated signaling, receiving terminal is after first time have received dedicated signaling, only need to keep monitoring update notification information, if update notification information notification receiving terminal dedicated signaling upgrades, just arrive the dedicated signaling that the place's reception of amendment cycle is new; When transmitting terminal adopts above-mentioned the second transmit mechanism to send dedicated signaling, after receiving terminal first time reception dedicated signaling, monitor update notification information always, if update notification information notification receiving terminal dedicated signaling upgrades, so receiving terminal just receives new dedicated signaling when next cycle arrives.
Coordinated multipoint transmission (Coordinated multiplepoint transmition and reception, COMP) is have also been introduced in LTE-Advanced system.Above-described embodiment all can be applicable to the transmission of the configuration indication information of COMP subframe, namely those subframes are used to the subframe identification information carrying out COMP transmission, after receiving terminal receives this information, can know which subframe is for COMP transmission, so that the receiving terminal carrying out COMP transmission receives.Namely the subframe for COMP transmission sends to receiving terminal by system information, or is sent by dedicated signaling, or sends in PDCCH.
As can be seen from above-described embodiment, technical solution of the present invention indicate which MBSFN sub-frame be configured to into R10 receiving terminal transmission PDSCH subframe, like this for R10 receiving terminal, after it finds subframe configuration information, this subframe is attempted the unicast data receiving oneself, namely the MBSFN sub-frame not used for R10 receiving terminal is directly skipped, thus can power saving.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (27)
1. a transmission method for subframe identification information, is characterized in that, the method comprises:
Transmitting terminal sends subframe identification information to R10 receiving terminal in the physical downlink control channel PDCCH of Multicast Broadcast Single Frequency Network MBSFN sub-frame, wherein, described MBSFN sub-frame is the MBSFN sub-frame of transmitting physical DSCH Downlink Shared Channel PDSCH for the configuration of R10 receiving terminal, and it is multicast MBSFN sub-frame for R10 receiving terminal transmission PDSCH that described subframe identification information is used to indicate described MBSFN sub-frame.
2. the method for claim 1, is characterized in that,
Described R10 receiving terminal detects described subframe identification information on the PDCCH of each subframe, when described R10 receiving terminal detects described subframe identification information, in this subframe, detect the schedule information of the PDSCH of oneself again, then receive PDSCH data according to PDSCH schedule information.
3. method as claimed in claim 1 or 2, is characterized in that,
Described subframe identification information is carried on the default search space of PDCCH by described transmitting terminal, or the Catalog Search space of PDCCH, or in the search space calculated by the ad Hoc wireless network temporary mark RNTI preset.
4. method as claimed in claim 3, is characterized in that,
Described subframe identification information is carried on the default search space of described PDCCH by described transmitting terminal, or during the Catalog Search space of described PDCCH:
Described transmitting terminal by the middle reserved bit of a certain descending control information format of arranging in described PDCCH as described subframe identification information, or by added bits in a certain DCI format of arranging in described PDCCH as described subframe identification information.
5. a transmission method for subframe identification information, is characterized in that, the method comprises:
The subframe identification information of Multicast Broadcast Single Frequency Network MBSFN sub-frame is sent to R10 receiving terminal with the forms of broadcasting by transmitting terminal, and wherein, described MBSFN sub-frame is the MBSFN sub-frame of the transmitting physical DSCH Downlink Shared Channel PDSCH for the configuration of R10 receiving terminal.
6. method as claimed in claim 5, is characterized in that,
Described subframe identification information is used to indicate for R10 receiving terminal sends the MBSFN sub-frame of PDSCH in a certain cycle, or is used to indicate all MBSFN sub-frame into R10 receiving terminal transmission PDSCH.
7. the method as described in claim 5 or 6, is characterized in that,
Described R10 receiving terminal receives described subframe identification information, and described subframe identification information indicate be R10 receiving terminal send PDSCH MBSFN sub-frame on detect and receive PDSCH data.
8. the method as described in claim 5 or 6, is characterized in that,
Described subframe identification information is carried in BCCH channel of broadcast control or dedicated signaling and periodically sends to R10 receiving terminal with the forms of broadcasting by described transmitting terminal.
9. method as claimed in claim 8, is characterized in that,
When described subframe identification information is carried in BCCH and sends to described R10 receiving terminal by described transmitting terminal, carry described subframe identification information in the system information block SIB2 of described transmitting terminal in described BCCH, or in described BCCH, increase SIB newly to carry described subframe identification information.
10. method as claimed in claim 9, is characterized in that,
When described transmitting terminal increases SIB newly to carry described subframe identification information in described BCCH, described transmitting terminal is also described newly-increased SIB config update announcement information, and this update notification information is used for notifying described in described R10 receiving terminal, whether subframe identification information upgrades.
11. methods as claimed in claim 10, is characterized in that,
The same update notification information of update notification information commons of other SIB in the update notification information of described newly-increased SIB and BCCH, or the special update notification information being different from the update notification information of other SIB in BCCH is set for the update notification information of described newly-increased SIB.
12. methods as described in claim 10 or 11, is characterized in that,
The update notification information of described newly-increased SIB is carried on beep-page message and sends to described R10 receiving terminal by described transmitting terminal.
13. methods as described in claim 10 or 11, is characterized in that,
The schedule information of described newly-increased SIB is carried in SIB1 and sends to described R10 receiving terminal by described transmitting terminal.
14. methods as described in claim 10 or 11, is characterized in that,
Described transmitting terminal described update notification information is carried on PDCCH agreement position on send.
15. methods as claimed in claim 8, is characterized in that,
When described subframe identification information is carried in described dedicated signaling and sends to described R10 receiving terminal by described transmitting terminal, the sending mode of described dedicated signaling adopts point-to-multipoint broadcast mode.
16. methods as claimed in claim 15, is characterized in that,
Described transmitting terminal is also described dedicated signaling config update announcement information, this update notification information is used for notifying described in described R10 receiving terminal, whether dedicated signaling upgrades, wherein, the update notification information of described dedicated signaling is carried in beep-page message or PDCCH and sends to described R10 receiving terminal by described transmitting terminal.
17. methods as claimed in claim 16, is characterized in that,
Described transmitting terminal is the described dedicated signaling configure dedicated signaling amendment cycle, and sends described update notification information within the described dedicated signaling amendment cycle; Or
Described transmitting terminal only periodically sends described dedicated signaling, and sends described update notification information within each cycle sending described dedicated signaling.
The transmission system of 18. 1 kinds of subframe identification informations, is characterized in that, this system comprises transmitting terminal and R10 receiving terminal, wherein:
Described transmitting terminal, subframe identification information be sent to R10 receiving terminal in the physical downlink control channel PDCCH of Multicast Broadcast Single Frequency Network MBSFN sub-frame, wherein, described MBSFN sub-frame is the MBSFN sub-frame of transmitting physical DSCH Downlink Shared Channel PDSCH for the configuration of R10 receiving terminal, and it is multicast MBSFN sub-frame for R10 receiving terminal transmission PDSCH that described subframe identification information is used to indicate described MBSFN sub-frame;
Described R10 receiving terminal, the PDCCH of each subframe detects described subframe identification information, when described R10 receiving terminal detects described subframe identification information, then in this subframe, detect the schedule information of PDSCH of oneself, then receive PDSCH data according to PDSCH schedule information.
19. systems as claimed in claim 18, is characterized in that,
Described transmitting terminal, is carried on the default search space of PDCCH by described subframe identification information, or the Catalog Search space of PDCCH, or in the search space calculated by the ad Hoc wireless network temporary mark RNTI preset.
20. systems as claimed in claim 18, is characterized in that,
Described subframe identification information is carried on the default search space of described PDCCH by described transmitting terminal, or during the Catalog Search space of described PDCCH:
Described transmitting terminal by the middle reserved bit of a certain descending control information format of arranging in described PDCCH as described subframe identification information, or by added bits in a certain DCI format of arranging in described PDCCH as described subframe identification information.
21. systems as claimed in claim 18, is characterized in that,
Described transmitting terminal, also for the subframe identification information of the Multicast Broadcast Single Frequency Network MBSFN sub-frame being configured to R10 receiving terminal transmission Physical Downlink Shared Channel PDSCH is sent to R10 receiving terminal with the forms of broadcasting;
Described R10 receiving terminal, also for receiving described subframe identification information, and described subframe identification information indicate be R10 receiving terminal send PDSCH MBSFN sub-frame on detect and receive PDSCH data.
22. systems as claimed in claim 21, is characterized in that,
Described subframe identification information is used to indicate for R10 receiving terminal sends the MBSFN sub-frame of PDSCH in a certain cycle, or is used to indicate all MBSFN sub-frame into R10 receiving terminal transmission PDSCH.
23. systems as described in claim 21 or 22, is characterized in that,
Described subframe identification information is carried in BCCH channel of broadcast control or dedicated signaling and periodically sends to R10 receiving terminal with the forms of broadcasting by described transmitting terminal.
24. systems as claimed in claim 23, is characterized in that,
When described subframe identification information is carried in BCCH and sends to described R10 receiving terminal by described transmitting terminal, carry described subframe identification information in the system information block SIB2 of described transmitting terminal in described BCCH, or in described BCCH, increase SIB newly to carry described subframe identification information.
25. systems as claimed in claim 24, is characterized in that,
When described transmitting terminal increases SIB newly to carry described subframe identification information in described BCCH, described transmitting terminal is also described newly-increased SIB config update announcement information, and this update notification information is used for notifying described in described R10 receiving terminal, whether subframe identification information upgrades.
26. systems as claimed in claim 23, is characterized in that,
When described subframe identification information is carried in described dedicated signaling and sends to described R10 receiving terminal by described transmitting terminal, the sending mode of described dedicated signaling adopts point-to-multipoint broadcast mode.
27. systems as claimed in claim 26, is characterized in that,
Described transmitting terminal is also described dedicated signaling config update announcement information, this update notification information is used for notifying described in described R10 receiving terminal, whether dedicated signaling upgrades, wherein, the update notification information of described dedicated signaling is carried in beep-page message or PDCCH and sends to described R10 receiving terminal by described transmitting terminal.
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| PCT/CN2010/077056 WO2011038644A1 (en) | 2009-09-30 | 2010-09-17 | Method and system for transmitting subframe identifier information |
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| CN103201972B (en) | 2010-11-08 | 2018-10-19 | 三星电子株式会社 | The method and apparatus for receiving different form subframe in a wireless communication system |
| KR101943821B1 (en) | 2011-06-21 | 2019-01-31 | 한국전자통신연구원 | Methods for transmitting and receiving of control channel in wireless communication systems |
| CN102263616B (en) * | 2011-08-15 | 2018-07-20 | 中兴通讯股份有限公司 | Indicate the method and device of control channel |
| CN102307082B (en) * | 2011-09-28 | 2014-03-19 | 电信科学技术研究院 | Transmission method and device of uplink control signaling |
| CN103516498B (en) * | 2012-06-20 | 2018-07-20 | 中兴通讯股份有限公司 | The update method and device of TDD uplink-downlink configurations |
| CN103856903B (en) * | 2012-12-03 | 2018-07-06 | 中兴通讯股份有限公司 | A kind of cluster access net, terminal device and the method for adding in cluster group |
| BR112017009346B1 (en) * | 2014-11-07 | 2023-02-23 | Huawei Technologies Co., Ltd | INFORMATION TRANSMISSION METHOD, TERMINAL DEVICE, BASE STATION AND COMPUTER READABLE STORAGE MEDIA |
| CN107534844A (en) * | 2015-05-08 | 2018-01-02 | 华为技术有限公司 | A kind of method of multicasting and device |
| DE102015110330A1 (en) * | 2015-06-26 | 2016-12-29 | Intel IP Corporation | Method for energy saving and power saving for a mobile device |
| CN113259080B (en) | 2018-08-24 | 2022-12-16 | Oppo广东移动通信有限公司 | Method and device for indicating PDCCH resources |
| EP4231670A4 (en) * | 2020-11-12 | 2023-11-15 | Huawei Technologies Co., Ltd. | COMMUNICATION METHOD AND DEVICE |
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| CN101534473A (en) * | 2008-03-14 | 2009-09-16 | 中兴通讯股份有限公司 | Method for indicating sub-frame property in time division multiplexing system of long-term evolution network |
| CN101309523A (en) * | 2008-06-23 | 2008-11-19 | 中兴通讯股份有限公司 | Method for transmitting physical downlink channel control signal |
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