WO2012065577A1 - Procédé de transmission d'informations et terminal, station de base et système de communication - Google Patents

Procédé de transmission d'informations et terminal, station de base et système de communication Download PDF

Info

Publication number
WO2012065577A1
WO2012065577A1 PCT/CN2012/070305 CN2012070305W WO2012065577A1 WO 2012065577 A1 WO2012065577 A1 WO 2012065577A1 CN 2012070305 W CN2012070305 W CN 2012070305W WO 2012065577 A1 WO2012065577 A1 WO 2012065577A1
Authority
WO
WIPO (PCT)
Prior art keywords
downlink
response information
grant
subframe
base station
Prior art date
Application number
PCT/CN2012/070305
Other languages
English (en)
Chinese (zh)
Inventor
成艳
吕永霞
李博
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2012065577A1 publication Critical patent/WO2012065577A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to an information transmission method, a terminal, a base station, and a communication system. Background technique
  • HARQ Hybrid Automatic Repeat Request
  • the data receiver needs to feed back the response information to the data sender to confirm whether the data is correctly received.
  • HARQ response information mainly through a physical uplink control channel (Physical Uplink Control Channel, PUCCH) or a physical uplink shared channel ( Physical Uplink Shared Channel , PUSCH ) Feedback to the base station.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • LTE-A Long Term Evolution-Advanced
  • Carrier Aggregation technology also known as Spectrum Aggregation or Bandwidth Extension
  • carrier aggregation technology the spectrum of two or more component carriers are aggregated together to obtain a wider transmission bandwidth.
  • UE User Equipment
  • the physical downlink of the UE is carried on each downlink component carrier.
  • Shared channel The Physical Downlink Control Channel (PDCCH) that transmits the downlink downlink semi-persistent scheduling service (SPS) of the UE is required to feed back the corresponding response information.
  • PDCCH Physical Downlink Control Channel
  • SPS downlink semi-persistent scheduling service
  • the embodiments of the present invention provide an information transmission method, a terminal, a base station, and a communication system, which can implement transmission of response information on a physical uplink channel.
  • C is the number of downlink component carriers corresponding to the UE, and C is greater than or equal to 2, where the downlink component carrier i carries the physical downlink sharing of the UE in all downlink subframes of the downlink associated subframe set.
  • the downlink associated subframe set corresponds to the uplink subframe corresponding to the UL grant; the UE determines the response information of the uplink subframe according to the maximum value N, and sends the response information to the physical uplink channel. Said base station.
  • the base station sends the UL grant to the UE in a downlink subframe.
  • PDSCH physical downlink shared channel
  • PDCCH physical downlink control channel
  • the embodiment of the present invention further provides a communication system, including the terminal provided by the embodiment of the present invention and the base station provided by the embodiment of the present invention.
  • the embodiment of the present invention further provides an information transmission method, including the UE receiving a UL grant sent by a base station, where the UL grant includes a maximum value ⁇ ' in the set ⁇ ⁇ 2 , . . . , ⁇ ⁇ , and the downlink is downlink.
  • the number of downlink subframes in the associated subframe set where ⁇ is the downlink associated subframe set corresponding to the UE
  • the number of downlink downlink subframes, N1 is the number of downlink configuration carriers carrying the physical downlink shared channel PD SCH of the UE in the downlink subframe 1 in the downlink associated subframe set, and the number of downlink configuration carriers carrying the UE a sum of the number of downlink configuration carriers of the physical downlink control channel PDCCH, the PDCCH is used to indicate that the downlink semi-persistent scheduling service SPS of the UE is released, and the downlink associated subframe set is an uplink subframe corresponding to the UL grant correspond.
  • the subframe set corresponds to the uplink subframe corresponding to the UL grant; the determining unit is configured to determine the response information according to the received maximum value N′, and the sending unit is configured to send the response information determined by the determining unit to the physical uplink channel To the base station.
  • the maximum value N' in the M ⁇ determines the response information to be transmitted.
  • the response information can be effectively transmitted on the physical uplink channel.
  • FIG. 1 is a schematic flowchart of an information transmission method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart diagram of another information transmission method according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of still another information transmission method according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a communication system according to an embodiment of the present invention
  • schematic diagram is a schematic structural diagram of a terminal according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention
  • FIG. 8 is a schematic flowchart diagram of another information transmission method according to an embodiment of the present invention.
  • FIG. 9 is a schematic flowchart diagram of another information transmission method according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of another base station according to an embodiment of the present invention. Detailed ways
  • Frequency Division Duplexing FDD
  • TDD Time Division Duplexing
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • transmission and reception are performed on one frequency channel, but transmission and reception are separated in time, i.e., different time slots using the same frequency carrier are received and transmitted.
  • different uplink and downlink subframe ratios are supported, so that the uplink and downlink subframe ratios can be adjusted according to different service types to meet the asymmetric uplink and downlink service requirements.
  • the LTE TDD system includes seven uplink and downlink subframe ratios, as shown in Table 1, where D represents a downlink subframe, U represents an uplink subframe, and S represents a special subframe.
  • the number of downlink subframes is more than that.
  • the number of the sub-frames is such that the response information corresponding to the data transmission on the multiple downlink sub-frames needs to be fed back in the same uplink sub-frame.
  • the response message can usually include an acknowledgment response
  • the UE needs to feed back the response information of the PDSCH carried in the downlink subframe nk or the response information of the PDCCH used to indicate the downlink SPS release in the uplink subframe ⁇ .
  • the value of k is as shown in the Downlink association set K in Table 2.
  • the downlink associated subframe set ⁇ is the downlink associated subframe set of the uplink subframe in each uplink and downlink subframe ratio.
  • all subframes of the downlink associated subframe set refer to all downlink subframes included in the downlink associated subframe set K.
  • all the downlink subframes corresponding to the downlink associated subframe set of the uplink subframe 2 are the downlink subframe n-7 and the downlink subframe n-6.
  • all downlink subframes combined with the downlink associated subframe of the uplink subframe 2 include a downlink subframe n-8, a downlink subframe n-7, a downlink subframe n-4, and a downlink subframe. Frame n-6.
  • Other situations can be deduced by analogy.
  • the specific uplink subframe corresponds to a specific downlink associated subframe set
  • the downlink associated subframe set corresponding to the uplink subframe may refer to all downlinks of the downlink subframe response information transmitted in the same uplink subframe.
  • the set of the subframes that is, the response information of all the downlink subframes is transmitted in the same uplink subframe
  • the set of all the downlink subframes is the downlink associated subframe set corresponding to the uplink subframe.
  • the downlink associated subframe set corresponding to each uplink subframe in each uplink-downlink subframe ratio may be as shown in Table 2, or may be other manners, for example, each uplink sub-frame is matched with each uplink sub-frame.
  • the downlink associated subframe set corresponding to the frame is a set after deducting the special subframe (S) in each downlink associated subframe set shown in Table 2, that is, the special subframe is not included. Row associated subframe collection.
  • the subframe 1 and the subframe 6 are special subframes, and the downlink associated subframe set corresponding to the uplink subframe 2 shown in Table 2 is deducted by ⁇ 8 , 7 , 4 , 6 ⁇
  • the special subframes are set to ⁇ 8 , 7 , 4 ⁇ , and ⁇ 8 , 7 , 4 ⁇ can also be referred to as the associated downlink subframe set corresponding to the uplink subframe 2 when the uplink and downlink subframes are matched by 2.
  • the special subframe in the embodiment of the present invention may include three domains: a Downlink Pilot Timeslot (DwPTS), a guard interval (GP), and an Uplink Pilot Timeslot (UpPTS). Special sub-frame.
  • DwPTS Downlink Pilot Timeslot
  • GP guard interval
  • UpPTS Uplink Pilot Timeslot
  • the downlink associated subframe set corresponding to the uplink subframe i may also be referred to as a bundling window corresponding to the uplink subframe i or a bundling window of the response information corresponding to the uplink subframe i.
  • the LTE-A system is a further evolved and enhanced system of the 3GPP LTE system. Therefore, in the LTE-A system, in the TDD mode, communication may be performed according to the uplink-downlink subframe ratio shown in Table 1, and may be carried in the uplink subframe n feedback subframe nk as shown in Table 2.
  • each downlink subframe nk associated with the uplink subframe n as shown in Table 2 has multiple downlink carriers, and therefore, multiple downlink subframes need to be fed back in one uplink subframe. Response information of multiple downlink carriers.
  • the embodiment of the invention provides an information transmission method.
  • UL grant uplink indication
  • the downlink subframe the sum of the number of downlink subframes carrying the physical downlink shared channel PDSCH of the UE and the number of downlink subframes carrying the physical downlink control channel PDCCH of the UE, where the PDCCH is used And indicating that the downlink semi-persistent scheduling service SPS of the UE is released, where the downlink associated subframe set corresponds to an uplink subframe corresponding to the UL grant.
  • the downlink component carrier in the embodiment of the present invention may also be referred to as a downlink member cell (cell), that is, c may be the number of downlink member cells.
  • a member carrier may also be referred to as a member cell.
  • a primary component carrier (PCC) may also be referred to as a primary cell (Pcell, Primary Cell)
  • a secondary component carrier (SCC) may also be referred to as a secondary cell ( Scell, Secondary Cell ). Both PCC and SCC can also be called Serving Cell.
  • multiple downlink component carriers may be configured according to the carrier aggregation technology, and multiple downlink component carriers may be configured to form a downlink component carrier set.
  • C may be a configured downlink component carrier.
  • Number For the downlink component carrier i, there may be a corresponding downlink associated subframe set K.
  • K For example, as shown in Table 2, other methods may be used, for example, the downlink special subframe is subtracted from each downlink associated subframe set shown in Table 2 ( Special subframe ) after the collection.
  • the downlink component carrier i is equal to the number of downlink subframes carrying the PDSCH and the downlink subframe carrying the PDCCH indicating the SPS release in all downlink subframes included in the downlink associated subframe set K. The sum of the numbers.
  • the UL grant in all the embodiments of the present invention is mainly used to indicate the transmission of the PUSCH, that is, to schedule the PUSCH, which is sent to the UE through the physical downlink control channel PDCCH.
  • the UL grant may refer to a PDCCH carrying downlink control information (DCI) format 0 or downlink control information format 4.
  • the downlink control information (DCI) format 0 or the downlink control information format 4 mainly includes information related to PUSCH transmission, and the information is used to indicate the transmission of the PUSCH, for example, the included resource allocation information is used to indicate the frequency domain used by the PUSCH. Resources.
  • the uplink subframe corresponding to the UL grant indicates that the PUSCH indicated by the UL grant is transmitted in the uplink subframe, and the definition is applicable to all embodiments in the embodiment of the present invention.
  • Step 102 The UE determines, according to the maximum value N, response information carried by the uplink subframe, and sends the response information to the base station on a physical uplink channel.
  • the maximum value N in C ⁇ where C is the number of downlink component carriers corresponding to the UE, and C is greater than or equal to 2, where the downlink component carrier i is in all downlink subframes of the downlink associated subframe set.
  • Step 202 The base station receives the response information sent by the UE, where the response information is determined by the UE according to the maximum value N.
  • an embodiment of the present invention further provides an information transmission method, including: Step 301:
  • the downlink component carrier i carries the number of downlink subframes carrying the physical downlink shared channel PDSCH of the UE and the downlink of the physical downlink control channel PDCCH carrying the UE in all the downlink subframes of the downlink associated subframe set.
  • the sum of the number of subframes, the PDCCH is used to indicate that the downlink semi-persistent scheduling service SPS of the UE is released, and the downlink associated subframe set corresponds to an uplink subframe corresponding to the UL grant.
  • Step 302 The base station sends the UL grant to the user equipment UE in a downlink subframe.
  • the base station may include a set in the UL grant.
  • the maximum value N in C C is the number of downlink component carriers, and C is greater than or equal to 2, which is the downlink component carrier i in all downlinks of the downlink associated subframe set.
  • the maximum value N in the ⁇ , the C is the number of downlink component carriers, and C is greater than or equal to 2, where the downlink component carrier i carries the downlink subframe of the PDSCH in all downlink subframes of the downlink associated subframe set.
  • the UE may receive one or more uplink indications UL grant k in the subframe n-k, and the value may be as shown in the table.
  • the UE feedbacks the response information on the PUSCH in the subframe n, and does not necessarily represent that the UE is in the subframe nk, and can receive the UL grant.
  • the PUSCH sent in the subframe n is the uplink SPS service or the weight of the uplink data.
  • the subframe nk may not receive any UL Grant.
  • the UE may transmit PUSCH on both uplink carriers in the uplink subframe n, that is, two PUSCHs are simultaneously transmitted, and the response information is only in the Transmission on one PUSCH. For example, if there is PUSCH transmission on the uplink primary carrier, the response information will only be transmitted on the PUSCH channel carried by the uplink primary carrier, regardless of whether the PUSCH is in the subframe n-k, whether there is a corresponding UL grant; If there is no PUSCH transmission, the response information will be transmitted on the PUSCH channel carried by the secondary carrier.
  • the PUSCH channel corresponding to the secondary carrier can be selected according to the priority of the uplink carrier, and the secondary carrier with the highest priority can be preferentially selected, or , can also be selected according to the PUSCH transmission format.
  • the UL grant is sent by the base station to the UE in the downlink subframe nk, that is, the UE is in the downlink subframe.
  • Nk receiving the UL grant, and the UE in the downlink subframe nk, only one UL grant of the received one or more uplink indication UL grants corresponds to the PUSCH of the 7- carrier response information.
  • the UL grant corresponding to the PUSCH of the 7-packet response information may be a UL grant used by the base station to allocate an indication of the PUSCH carrying the response information, that is, the PUSCH for transmitting the bearer response information by the UE according to the indication of the UL grant, or the UE according to the UL
  • the indication of grant adjusts the PUSCH carrying the response information, or the UL grant is used to indicate the transmission of the PUSCH carrying the response information.
  • the PUSCH carrying the response information is an uplink semi-persistent scheduling service or a non-adaptive retransmission
  • the PUSCH of the bearer response information does not have a corresponding UL grant
  • the UE receives one or more uplink indication ULs in the downlink subframe nk. There is no UL grant corresponding to the PUSCH carrying the response information in the grant.
  • the maximum value N in the ⁇ is the same, for example, the H of the plurality of UL grants sent by the base station are the same.
  • the maximum allocation N may be indicated by the downlink allocation indication DAI field in the UL grant corresponding to the PUSCH carrying the response information.
  • the downlink allocation indication DAI domain in all the UL grants is preferred. All indicate the maximum value N, that is, the downlink allocation in all UL grants indicates that the values of the DAI domain are the same and are equal to the maximum value N.
  • the base station configures two downlink component carriers for the UE, and the other ones are CC1 and CC2.
  • the uplink subframe 2 needs feedback as shown in the table.
  • the base station sends the signal to the UE or the UE in the subframe nk, and the received value of the UD is equal to ⁇ , if there are multiple UL grant, UL grant all of v is equal to 2.
  • the number of the UL grants sent by the base station to the UE in the subframe nk may be determined according to the scenario of the carrier aggregation configured by the base station to the UE and the uplink service requirement of the UE. For example, if the number of uplink carriers configured for the UE is only one, the base station usually transmits one UL grant in the subframe nk. If the number of uplink carriers configured for the UE is greater than one, the base station is in the subframe nk. Sending multiple UL grants to the UE to schedule multiple uplink carriers to simultaneously send multiple
  • each UL grant corresponds to one PUSCH, and only one UL grant may be transmitted to schedule one of the plurality of uplink carriers to transmit PUSCH data.
  • the UL grant may be any PDCCH DCI format that can be used to indicate a UL grant, and may be, for example, a PDCCH DCI format 0 or a PDCCH DCI format 4 or the like.
  • the value H of the D AI domain in the UL grant is used to indicate the set.
  • the uplink and downlink ratios 1 to 6 shown in Table 1 can be utilized.
  • step 401 is applicable not only to transmitting response information on a PUSCH channel, but also to transmitting response information on a physical uplink channel such as a PUCCH channel.
  • the number of bits of the response message o AeK can be determined as follows:
  • the number of bits of the response message 0 AEK may be
  • the number of bits of the information, 0, may be determined by the downlink transmission mode of the downlink carrier; the number of bits of the response information o ACK may also be ( ⁇ H ⁇ C+ ⁇ N ⁇ C+), where C is the configured downlink
  • the number of component carriers, C 2 is the configured downlink component carrier, and the transmission mode is spatial multiplexing mode.
  • the number of downlink component carriers, or C 2 is the number of downlink component carriers corresponding to two codewords of the physical downlink shared channel PDSCH carried in the configured downlink component carrier, or C 2 is transmitted in the configured downlink component carrier.
  • the mode corresponds to the number of downlink component carriers of 2-bit response information.
  • the transmission mode may be a downlink transmission mode of the downlink component carrier, for example, the transmission mode 1 is a single-antenna port (portO) mode, the transmission mode 2 is a transmit diversity (Transmit diversity) mode, and the transmission mode 4 is a closed loop mode. Closed-loop spatial multiplexing mode.
  • the PDSCH can carry two codewords, for example, transmission mode 4, and thus each downlink carrier corresponds to 2 bits of response information in one subframe.
  • the PDSCH carries one codeword, for example, transmission modes 1 and 2. Therefore, each downlink carrier corresponds to lbit response information in one subframe.
  • the downlink transmission mode may be a multiple input multiple output (MIMO) transmission mode corresponding to the downlink carrier.
  • MIMO multiple input multiple output
  • the response information bit sequence corresponding to the configured downlink carrier i may be determined as follows
  • the configured downlink carriers in the downlink sub-frame nk i as shown in Table 2 corresponds to the downlink and if configured as shown in Table 2 in a downlink carrier i If the subframe nk transmits the downlink SPS data, the response information corresponding to the SPS data is
  • c ⁇ ⁇ is the last bit of the response information bit sequence corresponding to the configured downlink carrier i, therefore, the scheme arranges the response information corresponding to the SPS to the last of the response information bit sequence corresponding to the configured downlink carrier i .
  • the UE expects that the configured downlink carrier i should detect the PDSCH or the PDCCH indicating the SPS release in the downlink subframe nk as shown in Table 2, but In the actual case, the UE does not detect the PDSCH and does not detect the PDCCH indicating the release of the SPS, and the configured downlink information of the downlink carrier i in the subframe is N ACK.
  • ⁇ ⁇ ⁇ can correspond to NACK
  • o Q A '_ 2 is the ACK/NACK information bit corresponding to the actual SPS data
  • 0 ( ⁇ ⁇ ⁇ i is the ACK/NACK information bit corresponding to the actual SPS data
  • o ⁇ 3 ⁇ 4 2 corresponds to NACK.
  • the corresponding downlink carrier i should be configured.
  • the UE expects that the configured downlink carrier i should detect the PDSCH or the PDCCH indicating the SPS release in the downlink subframe nk as shown in Table 2, but the actual UE That is, if the PDSCH is not detected and the PDCCH indicating the SPS release is not detected, the configured downlink information of the downlink carrier i in the subframe is a 2-bit NACK.
  • the DAI in the above step is the value of the DAI included in the DL assignment received by the downlink carrier i of the configuration in the downlink subframe nk as shown in Table 2, and the DL assignment may be the PDCCH format 1/l/lA/ lB/lD/2/2A/2B/2C.
  • the value of the DAI included in the DL assignment refers to the cumulative number of PDCCHs scheduled by the base station to the UE on the configured downlink carrier, the downlink carrier i of the configuration to the downlink subframe nk as shown in Table 2, that is, the downlink
  • the DAI value included in the authorization is a cumulative value.
  • the maximum value of N is determined.
  • the response information bit sequence corresponding to each downlink carrier may be sorted according to a predetermined ordering rule to obtain a new response information bit sequence, and the new response information is obtained.
  • the bit sequence is the feedback response information bit.
  • the predetermined ordering rule in the embodiment of the present invention may be that the response information corresponding to each configured downlink carrier is sorted according to the order of increasing or decreasing the attributes of the carrier, and the attribute of the carrier may be a relative index number (Index) of the carrier or a carrier.
  • the relative identifier (ID) or may be the carrier index of the carrier, or the frequency of the carrier. Need to say It is to be noted that the predetermined ordering rule in the present invention is not limited thereto.
  • the step may be performed as long as the UE receives the UL grant in the downlink subframe nk as shown in Table 3, whether the UL grant corresponds to the PUSCH carrying the response information. If the downlink subframe nk shown in Table 3, the base station does not transmit UL grant to the UE, or the UE does not detect UL grant, the shellfish 1 j UE nk, can follow the subframe shown in Table 2 downlink sub
  • the number M of downlink subframes included in the frame association set determines the number of bits of the response information and the feedback response information bits, and the number of bits of the above-mentioned determined response information and the value of N in the process of determining the response information feedback bit are determined by M.
  • the value of M is as follows.
  • the number of bits for determining the response information can also be determined according to Table 2.
  • the PUSCH carrying the response information may correspond to the UL grant in the downlink subframe n-k′, that is, the PUSCH carrying the response information is received by the downlink subframe nk.
  • the UE determines the number of bits of the response information and the feedback response information bit according to the maximum value N included in the UL grant. If the PUSCH carrying the response information is in the downlink subframe nk and there is no corresponding UL grant, the UE may determine the number of bits of the response information according to the number M of downlink subframes included in the downlink subframe association set shown in Table 2. Feedback response information bits.
  • the UE may determine the number of bits of the response information and the feedback response information bits according to the number M of downlink subframes included in the downlink subframe association set shown in Table 2. The rules for determining the number of bits of the response information and the feedback response information bits according to the maximum number N or the number M of downlink subframes included in the downlink subframe association set are consistent with the foregoing description, and are not repeated herein.
  • the number of bits of the response information and the feedback response information bit are determined according to the maximum value N included in the UL grant, so that the non-bearing response information can be avoided.
  • the loss of the UL grant corresponding to the PUSCH causes a problem that the number of bits of the response information of the actual transmission by the base station and the UE is inconsistent.
  • the UE feeds back the acknowledgment information on the PUSCH in the subframe n.
  • the PUSCH on the uplink primary carrier is the uplink SPS service
  • the PUSCH on the uplink primary carrier is in the downlink subframe nk.
  • the UL grant because there is a PUSCH on the uplink primary carrier, the response information is sent on the primary carrier, that is, the response information is sent on the PUSCH on which the primary carrier carries the SPS service. If the base station is in the downlink subframe nk, the UE transmits the PUSCH on the secondary carrier to the UE, and if not, the UE determines the number of the feedback information and the response information based on the value of the DAI field in the UL grant corresponding to the bearer response information.
  • the feedback bit if the UL grant of the secondary carrier is lost, the number of bits of the response information and the feedback bit of the response information determined by the UE according to the number M of downlink subframes in the downlink associated subframe set, on the PUSCH of the primary carrier
  • the response message is sent on the channel.
  • the base station considers that the UE is the feedback bit of the response information determined by the value of the DAI field in the UL grant of the secondary carrier, and the feedback bit of the response information, so that the base station and the UE understand the bit number of the response information of the actual transmission, and thus Affect the correct receipt of data and response information.
  • the UE is limited to determine the number of bits of the response information feedback and the feedback bit of the response information according to the value of the DAI field in the UL grant corresponding to the PUSCH carrying the response information, the above problem does not occur because the PUSCH carrying the response information is The SPS or the non-adaptive retransmission, the base station and the UE are all aware that there is no UL grant at this time, and the response information sent on the PUSCH is the bit of the response information determined according to the number M of downlink subframes in the downlink associated subframe set.
  • the UE receives the uplink subframe corresponding to the UL grant as n, that is, the UE receives the UL in the downlink subframe nk as shown in Table 3.
  • Grant is used to indicate the transmission of PUSCH in subframe n.
  • a UL grant indicates the transmission of a PUSCH channel.
  • a PUSCH channel can correspond to one data transmission block or two corresponding transmission blocks (or code words).
  • step 402 is applicable not only to the case of transmitting the response information on the PUSCH channel, but also to the case of transmitting the response information on the physical uplink channel such as the PUCCH channel.
  • Step 403 The UE determines the response information according to the number of bits of the response information and the feedback response information bit.
  • the number of modulation symbols occupied by the response information on the PUSCH may be determined based on the number of bits of the response information obtained in step 402. If the PUSCH corresponds to a layer, the number of modulation symbols occupied by the response information on each layer of the PUSCH can be determined according to the number of bits of the response information. For example, the number of symbols Q' occupied by the response information on the PUSCH can be determined according to the formula (1).
  • O ACK is the total number of feedback information feedback bits; is the same as the first transmission block
  • the transmission bandwidth of the PUSCH is transmitted;
  • M - is the transmission bandwidth of the PUSCH of the current subframe; is the single carrier frequency division multiple access occupied by the same transmission block (Single-carrier Frequency) Number of Division Multiple Access (SC-FDMA);
  • Pot[ ⁇ is the offset of the response information relative to the data MCS;
  • C( Q ) and C (1 ) are the first codeword and the second codeword, respectively.
  • Q' can also be obtained by the following formula (r,), and the formula (r,) is
  • Q represents the modulation order corresponding to the first transport block
  • ( ⁇ represents the modulation order corresponding to the second transport block
  • M CH - initial(1) is the transmission bandwidth of the PUSCH when the first transport block is initially transmitted
  • N CH - mitialw is the single carrier frequency division multiple access occupied by the first transmission block ( S i n gi e - carr i e r
  • SC-FDMA Frequency Division Multiple Access
  • M s p c USCH - initial(2) is the transmission bandwidth of the PUSCH at the initial transmission of the second transport block
  • N c H - mitia " is the second transport block
  • the number of single-carrier frequency division multiple access (SC-FDMA) symbols in the initial transmission, the meanings of the remaining symbols are the same as the formula, and will not be described here. It can be occupied according to the response information.
  • the number of modulation symbols Q' determines the number of bits Q after the coding of the response information channel. For example, the number of bits after the coding of the response information channel can be obtained according to formula (2).
  • Q. Q Q m 'Q' ( 2 ) where Q is the number of bits after the uci channel is encoded, which is the modulation order.
  • the number of bits after the channel coding of the response information on each layer of the PUSCH may be determined according to the formulas (1) and (2).
  • the method of channel coding can be determined based on the number of bits of the response information. For example, if the number of bits of the response message is less than 11, the code can be encoded by Remmuller (RM, Reed Muller) (32, 11) code; if the number of bits of the response message is greater than 11, the code can be encoded by using the dual RM code. . Then, based on the obtained bit number Q of the response information channel coding and the selected channel coding method, the feedback response information bits are channel-encoded, and the feedback response information is encoded into Q bits.
  • RM Remmuller
  • Reed Muller 32, 11
  • Step 404 The UE transmits the obtained response information to the base station.
  • the UE may map the encoded response information bits to the PUSCH and send it to the base station.
  • the PUSCH in this step is a PUSCH carrying acknowledgement information.
  • the step 402 is performed by receiving the UL grant in the downlink subframe n-k' as shown in Table 3, the PUSCH of the bearer response information does not necessarily correspond to the UL grant sent by the base station received by the UE in step 401, that is, the The PUSCH is not necessarily indicated by the UL grant sent by the base station received by the UE in step 401, or The transmission of the PUSCH is not necessarily indicated by the UL grant sent by the base station received by the UE in step 401.
  • the PUSCH may be an uplink semi-persistent scheduling service SPS or a non-adaptive retransmission.
  • the UE determines the number of bits of the response information and the feedback response information bit according to the maximum value N.
  • the PUSCH carrying the response information in this step is indicated by the UL grant in step 401, that is, the UL grant received by the UE in step 401 is used to indicate the transmission of the PUSCH carrying the response information in this step.
  • the PUSCH channel is defined as the PUSCH channel corresponding to the UL grant, the problem that the number of bits of the response information of the actual transmission by the base station and the UE is inconsistent due to the UL grant loss corresponding to the PUSCH of the non-bearing response information may be avoided.
  • step 405 may be further included.
  • Step 405 The base station receives the channel information sent by the UE, and detects the response information sent by the UE.
  • the base station receives the response information sent by the UE according to the maximum value N in the set ⁇ , 1 , 2 , . . . 1 of the uplink indication UL grant sent to the user equipment, which may include:
  • the step calculates the number of modulation symbols occupied by the UCI on each layer of the PUSCH.
  • N determines the number of feedback bits corresponding to the response information sent by the UE, and the specific determination method is consistent with the method for determining the number of feedback response information bits in step 402, and details are not described herein again.
  • the base station calculates the number of modulation symbols Q′ occupied by the response information sent by the UE, based on the determined number of feedback bits corresponding to the response information sent by the UE.
  • the calculation method is the same as step 403, no longer here. Narration.
  • the base station can separate the response information sent by the UE transmitting the data according to Q'.
  • the base station may further separate the response information sent by the UE that transmits the data according to the number of modulation symbols occupied by the response information sent by the UE, and may also be combined with the steps of channel interleaving. Specifically, the modulation symbol corresponding to the response information sent by the UE that transmits the data may be separated.
  • the base station may determine multiple candidate control information bit sequences according to the number of feedback bits corresponding to the response information sent by the UE, and encode each candidate control information bit sequence, for example, feedback corresponding to the response information sent by the UE. All bit sequences ⁇ ij of the same number of bits are used as candidate control information bit sequences. For example, when the number of bits of response information transmitted by the UE transmitting data is 12, there are 212 candidate control information bit sequences.
  • the base station selects the coding method of the candidate control information according to the determined number of feedback bits corresponding to the response information sent by the UE, and encodes the candidate control information in the same manner as in step 403. The details are not described herein again.
  • the base station may detect, according to the coded bit sequence corresponding to the candidate control information bit, the response information sent by the UE, to determine whether the candidate control information bit sequence is the response information sent by the UE.
  • the detection criteria in this step are various. Taking one implementation of the maximum likelihood detection as an example, the base station encodes each candidate control information bit sequence, and modulates and separates the encoded candidate control information bit sequence.
  • the conjugate of the modulation symbol corresponding to the conjugate is multiplied, and then the product is added to the real part of the sum value, and the obtained value is called a likelihood value; or, the local pilot symbol is shared with the received pilot symbol.
  • the yoke is multiplied, the products corresponding to the plurality of pilot symbols are added to obtain a first sum value, and the products corresponding to the candidate control information are added to obtain a second sum value, and the first sum value and the second sum value are added together.
  • the real part of the sum value is used as the likelihood value; the base station uses the candidate control information bit sequence corresponding to the largest likelihood value as the information bit sequence corresponding to the response information transmitted by the UE.
  • the maximum value of ⁇ determines the response information, and implements the LTE-A TDD system.
  • the system response information is transmitted on a physical uplink channel such as a PUSCH or a PDSCH.
  • the UE can feedback the response information according to the actually scheduled number of subframes under normal circumstances, which reduces the impact on the data transmission caused by a large number of puncturing of the data, and can further ensure the transmission performance of the response information.
  • the problem that the number of bits of the response information of the base station and the UE is inconsistent is not caused by the loss of the UL grant, and the correct reception of the response information and the data is ensured.
  • an embodiment of the present invention provides a communication system including a terminal 600 and a base station 700.
  • the terminal 600 and the base station 700 in the communication system can implement the foregoing method embodiments provided by the embodiments of the present invention.
  • the UL grant is sent to the UE 600 in the downlink subframe.
  • the UE 600 is configured to receive the UL grant sent by the base station 700, and determine response information according to the maximum value N in the UL grant, and send the response information to the base station 700.
  • the downlink associated subframe set corresponding to the uplink subframe may be a set of all downlink subframes in which the response information of the downlink subframe is transmitted in the same uplink subframe, that is, all The acknowledgment information of the downlink subframe is transmitted in the same uplink subframe, and the set of all the downlink subframes is the downlink associated subframe set corresponding to the uplink subframe.
  • the uplink and downlink subframe ratios are matched.
  • Each up The downlink associated subframe set corresponding to the frame may be as shown in Table 2, or may be other manners.
  • the downlink associated subframe set corresponding to each uplink subframe in each uplink and downlink subframe ratio is each downlink association shown in Table 2. Deducting special subframes from the subframe set
  • a terminal 600 is provided in the embodiment of the present invention.
  • the terminal 600 further includes a determining unit 620, configured to determine, according to the maximum value N received by the receiving unit, the response information carried by the uplink subframe.
  • the terminal 600 further includes a sending unit 630, configured to send the response information determined by the determining unit to the base station through a physical uplink channel.
  • the sending unit 630 feeds back the response information on the PUSCH in the subframe n, and the receiving unit 610 may receive one or more UL grants, k in the subframe n-k, and the value may be as shown in Table 3.
  • you can add a special field to the UL grant to indicate the set ⁇ ,1 1,2, ⁇ .,.
  • the determining unit 620 may be configured after the UL grant is received in the downlink subframe nk as shown in Table 3, or may be determined according to the maximum value N received by the receiving unit when the PUSCH carrying the response information has a corresponding UL grant. The response information carried by the uplink subframe.
  • the determining unit 620 is further configured to determine, according to the maximum value N, a response information bit sequence corresponding to each downlink component carrier, and sequence the response information bit sequence corresponding to each downlink carrier to obtain the response information.
  • the determining unit 620 may further include a first determining subunit 6201, configured to determine a bit number of the response information according to the maximum value N, and determine a modulation occupied by the physical uplink channel according to the number of bits of the response information.
  • the number of downlink component carriers, or the number of downlink component carriers corresponding to two codewords of the PDSCH carried in the downlink component carrier, or the number. 2 is the number of downlink component carriers whose transmission mode corresponds to 2-bit response information in the configured downlink component carrier; or, according to
  • O ACK N ⁇ C Determines the number of bits of the response message.
  • the first determining subunit 6201 may be based on 0 AeK , where ( ⁇ is the configured downlink component carrier i in each subframe.
  • the determining unit 620 may further include a third determining subunit 6203, configured to acquire, according to the number of bits of the response information, the number of modulation symbols occupied by the response information, according to the response The number of modulation symbols occupied by the information is channel-encoded to the feedback response information bits, and the response information transmitted to the base station 700 is obtained.
  • a third determining subunit 6203 configured to acquire, according to the number of bits of the response information, the number of modulation symbols occupied by the response information, according to the response The number of modulation symbols occupied by the information is channel-encoded to the feedback response information bits, and the response information transmitted to the base station 700 is obtained.
  • the third determining subunit 6203 may determine the number of symbols Q′ occupied by the response information on the PUSCH according to the formula (1) or the formula (1) or the formula (1′).
  • the number of modulation symbols Q′ occupied by the response information is determined.
  • the number of bits Q after the response information channel is encoded, for example, the bit number Q of the response information channel coding can be obtained according to the formula (2).
  • the feedback response information bit can be performed according to the obtained bit number Q of the response information channel coding.
  • Channel coding obtaining response information that requires feedback.
  • the sending unit 720 is configured to send the UL grant to the user equipment UE 600 in a downlink subframe.
  • the generating unit 710 may further be configured to indicate that the value of the DAI field in the downlink grant in the UL grant indicates the maximum value N.
  • you can add a special field to the UL grant to indicate the set ⁇ ,1 1,2, ⁇ ⁇ ⁇ .
  • the base station 700 may further include a receiving unit 730, configured to receive response information sent by the UE 600, where the response information is determined by the UE 600 according to the maximum value N.
  • the base station 700 may further include a detecting unit 740 for receiving the response received by the receiving unit 730.
  • A. Information is tested.
  • the detecting unit 740 may detect the response information by using a PDSCH-bearing subframe in the UL grant or a maximum value of the number of subframes carrying the PDCCH indicating the downlink SPS release.
  • the method of step 405 in the embodiment shown in FIG. 4 can be used to receive and detect the response information sent by the UE.
  • a terminal, a base station, and a communication system according to an embodiment of the present invention are sent by a base station
  • the UE can feedback the response information according to the actually scheduled number of subframes under normal circumstances, which reduces the impact on the data transmission caused by a large number of puncturing of the data, and can further ensure the transmission performance of the response information.
  • the problem that the number of bits of the response information of the base station and the UE is inconsistent is not caused by the loss of the UL grant, and the correct reception of the response information and the data is ensured.
  • the downlink component carrier in the embodiment of the present invention may also be referred to as a downlink member cell (cell), that is, C may be the number of downlink member cells.
  • the maximum value N′ may be indicated by the value V D ⁇ of the DAI field in the UL grant, or by adding a special field in the UL grant to indicate the maximum value N′, or , N' can also be explicitly or implicitly indicated by other fields in the UL grant.
  • Step 802 The UE determines response information according to the maximum value N′, and sends the response message.
  • the information is sent to the base station on a physical uplink channel.
  • the embodiment of the present invention provides another information transmission method, which is described by using the value of the DAI field in the UL grant to indicate the maximum value N'.
  • the method includes: Step 901: The UE receives the base station.
  • ⁇ ⁇ , and ⁇ is the downlink associated subframe corresponding to the UE
  • the number of downlink subframes in the set, ⁇ ' is the number of downlink configuration carriers carrying the physical downlink shared channel PDSCH of the UE in the downlink subframe 1 in the downlink associated subframe set, and the number of downlink configuration carriers carrying the UE a sum of the number of downlink configuration carriers of the physical downlink control channel PDCCH, the PDCCH is used to indicate that the downlink semi-persistent scheduling service SPS of the UE is released, and the downlink associated subframe set is an uplink subframe corresponding to the UL grant correspond.
  • the UE may receive one or more uplink indication UL grants in the downlink subframe nk.
  • the value of k can be as shown in Table 3.
  • N is also the number of downlink configuration carriers carrying the PDSCH in the downlink subframe n- in the downlink associated subframe set as shown in Table 2, and the number of downlink configuration carriers carrying the PDCCH indicating the downlink SPS release of the UE. And. That is, the number of downlink configuration carriers carrying the PDSCH data sent by the base station to the UE in the downlink subframe n _1 ⁇ and the number of downlink configuration carriers carrying the PDCCH indicating the release of the UE downlink SPS by the base station to the UE are with.
  • the base station configures two downlink component carriers for the UE, and the other ones are CC1 and CC2.
  • the uplink subframe 2 needs feedback as shown in the table.
  • the response information of the corresponding downlink subframe in the downlink associated subframe set shown in 2.
  • the base station transmits to the UE or the UE in the subframe nk, and the received UL grant is downlink assigned to indicate the DAI domain.
  • the value ⁇ is equal to 2, and if there are multiple UL grants, ⁇ is 2 for all UL grants.
  • the number of bits of the response message o AeK can be determined as follows:
  • the feedback response information bits can be determined as follows:
  • the predetermined collation may be to sort the response information corresponding to each configured downlink carrier according to the order of increasing or decreasing the attributes of the carrier, and the attribute of the carrier may be
  • the relative index number (Index) of the wave is either the relative identifier (ID) of the carrier, or it may be the carrier index of the carrier, or the frequency of the carrier.
  • the response information corresponding to each downlink subframe is sorted to obtain a new response information bit sequence, and the new response information bit sequence is the feedback information bit of the feedback.
  • the predetermined sorting rule is to sort the descending subframes in the lower associated subframe set as shown in Table 2 from left to right in time.
  • the response information corresponding to the subframe that does not carry the PDSCH and does not carry the PDCCH indicating the SPS release is replaced with a 1-bit or 2-bit NACK.
  • Step 903 Determine the response information according to the number of bits of the response information and the feedback response information bit.
  • This step is similar to step 403 in the embodiment shown in FIG. 4, and details are not described herein again.
  • Step 904 The UE transmits the obtained response information to the base station.
  • step 404 is similar to step 404 in the embodiment shown in FIG. 4, and details are not described herein again.
  • the base station may receive the response information sent by the UE, and perform detection.
  • the embodiment of the present invention may further include step 905.
  • Step 905 The base station receives the response information sent by the UE, and detects the received response information.
  • Information which can include:
  • the step calculates the number of modulation symbols occupied by the UCI on each layer of the PUSCH.
  • the base station first sends the message to the UE according to the downlink subframe n _ k as shown in Table 3.
  • the method for determining the number of feedback bits corresponding to the information is consistent with the method for determining the number of feedback response information bits in step 902, and details are not described herein again.
  • the base station calculates the number of modulation symbols Q' occupied by the response information sent by the UE based on the determined number of feedback bits corresponding to the response information sent by the UE.
  • the calculation method is the same as that of step 903, and will not be described here.
  • the base station may separate the response information sent by the UE that transmits the data according to Q'.
  • the base station may, according to the obtained number of modulation symbols occupied by the response information sent by the UE, may also combine the steps of de-channel interleaving to separate the response information sent by the UE that transmits the data. For example, the modulation symbol corresponding to the response information transmitted by the UE transmitting the data may be separated.
  • the base station may determine multiple candidate control information bit sequences according to the determined number of feedback bits corresponding to the response information sent by the UE, and encode each candidate control information bit sequence; refer to step 405, where no longer Narration.
  • the base station may detect, according to the coded bit sequence corresponding to the candidate control information bit, the response information sent by the UE, to determine whether the candidate control information bit sequence is the response information sent by the UE.
  • This step can be referred to step 405, and details are not described herein again.
  • the method provided by the embodiment of the present invention is not only applicable to transmitting response information on a PUSCH channel, but also applicable to transmitting response information on a physical uplink channel such as a PUCCH channel.
  • an embodiment of the present invention further provides a communication system, where the communication system includes a terminal 1100 and a base station 1200.
  • the terminal 1100 and the base station 1200 in the communication system can implement the method embodiments shown in FIG. 8 and FIG. 9 provided by the embodiments of the present invention.
  • the base station 1200 is configured to include a maximum value ⁇ ' in the set ⁇ ⁇ , 2 , . . . , ⁇ ⁇ in the UL grant.
  • the number of downlink subframes in the downlink associated subframe set is the number of downlink configuration carriers carrying the PDSCH in the downlink subframe 1 in the downlink associated subframe set and the downlink configuration carrier carrying the PDCCH indicating the SPS release.
  • the sum of the numbers is sent to the terminal 1100.
  • the 1100 is configured to receive a UL grant sent by the base station 1200, and determine response information according to a maximum value N′ in the UL grant, and send the response information to the base station 1200.
  • the semi-persistent scheduling service SPS where the downlink associated subframe set corresponds to an uplink subframe corresponding to the UL grant.
  • the terminal 1100 further includes a determining unit 1120 for determining response information according to the maximum value N' received by the receiving unit 1110.
  • the terminal 1100 further includes a sending unit 1130, configured to send the response information determined by the determining unit 1120 to the base station 1200.
  • the determining unit 1120 may further be configured to determine the number of bits of the response information and the feedback response information bit of the maximum value N'; and determine the response information according to the number of bits of the response information and the feedback response information bit.
  • the maximum value ⁇ ' in M ⁇ , ⁇ is the number of downlink subframes in the downlink associated subframe set
  • ⁇ '' is the number of downlink configuration carriers carrying the PDSCH in the downlink subframe 1 in the downlink associated subframe set
  • the maximum value ⁇ ' in M ⁇ , ⁇ is the number of downlink subframes in the downlink associated subframe set
  • ⁇ '' is the number of downlink configuration carriers carrying the PDSCH in the downlink subframe 1 in the down
  • the generating unit 1110 may further be configured to indicate that the value of the DAI field in the downlink grant in the UL grant indicates the maximum value N'.
  • the base station 1200 further includes a sending unit 1220, configured to send the UL grant to the user. Prepare UE 1100.
  • the base station 1200 may further include a receiving unit 1230, configured to receive response information sent by the UE 1100, where the response information is determined by the UE 1100 according to the maximum value N'.
  • the base station 1200 can further include a detecting unit 1240 for detecting the response information received by the receiving unit 1230.
  • the transmission of response information in the case of single carrier or carrier aggregation on a physical uplink channel such as PUSCH or PDSCH can be effectively implemented. Moreover, the influence of data punching caused by a large number of puncturing on data can be reduced, and the response information transmission performance can be further ensured. In addition, according to the method provided by the embodiment of the present invention, the problem that the number of response information bits of the base station and the UE is inconsistent is not caused by the loss of the UL grant, and the correct reception of the response information and the data is ensured.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and can of course also be implemented by hardware.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, a server, or a network device, etc.) performs the methods described in various embodiments of the present invention.

Landscapes

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

Abstract

L'invention porte sur un procédé de transmission d'informations comprenant les opérations suivantes : un équipement utilisateur (UE) reçoit l'autorisation de liaison montante (UL) envoyée par une station de base, l'autorisation UL comprenant la valeur maximale N d'un ensemble {Ni,i=1,2,…,C}, C étant le nombre de porteuses composantes de liaison descendante correspondant à l'UE et étant supérieur ou égal à 2, Ni étant la somme du nombre de sous-trames de liaison descendante transportant le canal partagé de liaison descendante physique (PDSCH) de l'UE et du nombre de sous-trames de liaison descendante transportant le canal de commande de liaison descendante physique (PDCCH) de l'UE parmi toutes les sous-trames de liaison descendante de la porteuse composante de liaison descendante i de l'ensemble de sous-trames associées de liaison descendante, le PDCCH étant utilisé pour indiquer la libération de la planification semi-persistante (SPS) de liaison descendante de l'UE, et l'ensemble de sous-trames associées de liaison descendante correspondant à la sous-trame de liaison montante qui correspond à l'autorisation UL ; l'UE détermine un message de réponse conformément à la valeur maximale N et envoie le message de réponse à la station de base par l'intermédiaire d'un canal de liaison montante physique. L'invention porte également sur une station de base, un terminal et un système de communication. La transmission de message de réponse sur le canal de liaison montante physique peut être efficacement réalisée selon le procédé technique décrit dans la présente invention.
PCT/CN2012/070305 2010-11-15 2012-01-13 Procédé de transmission d'informations et terminal, station de base et système de communication WO2012065577A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201010544308 2010-11-15
CN201010544308.4 2010-11-15
CN201010607461.7A CN102468950B (zh) 2010-11-15 2010-12-28 信息传输方法、终端、基站和通信系统
CN201010607461.7 2010-12-28

Publications (1)

Publication Number Publication Date
WO2012065577A1 true WO2012065577A1 (fr) 2012-05-24

Family

ID=46072163

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/070305 WO2012065577A1 (fr) 2010-11-15 2012-01-13 Procédé de transmission d'informations et terminal, station de base et système de communication

Country Status (2)

Country Link
CN (1) CN102468950B (fr)
WO (1) WO2012065577A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513226B (zh) * 2012-08-03 2015-12-11 Alcatel Lucent A method of automatic retransmission in a user equipment in a carrier aggregation network

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109412775B (zh) * 2012-06-27 2021-08-03 北京三星通信技术研究有限公司 一种发送harq-ack反馈信息的方法
CN103873183B (zh) * 2012-12-07 2017-03-01 电信科学技术研究院 一种数据传输方法及装置
US9706568B2 (en) 2013-06-28 2017-07-11 Texas Instruments Incorporated Uplink control signaling for joint FDD and TDD carrier aggregation
CN112910611A (zh) * 2015-01-29 2021-06-04 北京三星通信技术研究有限公司 一种增强载波聚合系统的harq-ack传输方法和设备
US11218254B2 (en) 2015-01-29 2022-01-04 Samsung Electronics Co., Ltd Method and apparatus for transmitting/receiving HARQ-ACK signal in wireless communication system supporting carrier aggregation
CN112134658B (zh) * 2015-08-11 2021-08-03 华为技术有限公司 一种传输反馈信息的方法、用户设备和接入设备
CN106533636B (zh) * 2015-09-10 2019-11-12 普天信息技术有限公司 基于载波聚合的混合自动重传请求信息反馈方法、系统
WO2017118442A1 (fr) * 2016-01-08 2017-07-13 中兴通讯股份有限公司 Procédé et dispositif d'attribution de ressources
CN106961736B (zh) * 2016-01-08 2020-03-10 中兴通讯股份有限公司 一种无线通信的方法及装置
CN107181577B (zh) * 2016-03-09 2022-03-01 中兴通讯股份有限公司 上行反馈信息的传输方法及装置
CN109963283B (zh) * 2017-12-22 2022-06-07 成都鼎桥通信技术有限公司 一种lte小区的实现方法
CN111278120B (zh) * 2019-01-11 2022-07-19 维沃移动通信有限公司 上行信道的配置方法、传输方法、网络侧设备及终端
CN111525978B (zh) * 2019-02-01 2022-11-08 中兴通讯股份有限公司 索引信息的发送方法及装置、存储介质、电子装置
US20220368475A1 (en) * 2019-07-12 2022-11-17 Lenovo (Beijing) Limited Harq-ack feedback for configured grant pusch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420293A (zh) * 2007-10-23 2009-04-29 华为技术有限公司 Ack/nack信息的指示和数据重传的方法及装置
CN101499882A (zh) * 2008-11-05 2009-08-05 华为技术有限公司 半静态调度数据包的应答信息的反馈、接收方法及其装置
WO2010105255A2 (fr) * 2009-03-13 2010-09-16 Interdigital Patent Holdings, Inc. Procédés et appareil d'allocation de liaison montante, d'attribution de liaison descendante et d'espace de recherche en agrégation de porteuses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602005011101D1 (de) * 2005-04-01 2009-01-02 Panasonic Corp Zeitliche Planung von Endgeräten in einem Funkkommunikationssystem
CN101547077B (zh) * 2008-03-24 2011-07-20 鼎桥通信技术有限公司 一种传输ack/nack信息的方法
WO2009134172A1 (fr) * 2008-04-28 2009-11-05 Telefonaktiebolaget L M Ericsson (Publ) Planification de liaison montante améliorée dans un système cellulaire
CN101478383B (zh) * 2009-02-03 2014-03-19 中兴通讯股份有限公司 一种长期演进系统中的下行子帧应答信息的反馈方法
CN101873205B (zh) * 2009-04-24 2013-03-20 电信科学技术研究院 多载波系统中上行控制信道指示和反馈方法、系统及设备
CN101588224B (zh) * 2009-05-19 2014-07-02 中兴通讯股份有限公司 一种发送正确/错误应答消息的方法及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420293A (zh) * 2007-10-23 2009-04-29 华为技术有限公司 Ack/nack信息的指示和数据重传的方法及装置
CN101499882A (zh) * 2008-11-05 2009-08-05 华为技术有限公司 半静态调度数据包的应答信息的反馈、接收方法及其装置
WO2010105255A2 (fr) * 2009-03-13 2010-09-16 Interdigital Patent Holdings, Inc. Procédés et appareil d'allocation de liaison montante, d'attribution de liaison descendante et d'espace de recherche en agrégation de porteuses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513226B (zh) * 2012-08-03 2015-12-11 Alcatel Lucent A method of automatic retransmission in a user equipment in a carrier aggregation network
US9479295B2 (en) 2012-08-03 2016-10-25 Alcatel Lucent Method of implementing automatically retransmission feedback in a UE in a carrier aggregation network

Also Published As

Publication number Publication date
CN102468950A (zh) 2012-05-23
CN102468950B (zh) 2015-01-21

Similar Documents

Publication Publication Date Title
US20210368483A1 (en) Method and device for transmitting response information, and resource allocation for response information transmission according to transmission conditions in a wireless communication system
WO2012065577A1 (fr) Procédé de transmission d'informations et terminal, station de base et système de communication
KR102096409B1 (ko) 비면허 대역을 지원하는 무선접속시스템에서 경쟁 윈도우 크기를 조정하는 방법 및 이를 지원하는 장치
KR101927719B1 (ko) 하향링크 반송파 집적을 채용한 tdd 시스템에서 harq-ack 전송을 코딩하는 방법 및 장치
KR101605843B1 (ko) 스케줄링 요청 자원들을 이용한 다중 요소 반송파 통신 시스템에서의 하이브리드 자동 재전송 요청 피드백 송신
US10419168B2 (en) Method and apparatus for transmitting downlink control information in wireless communication system
EP2451223B1 (fr) Génération d'informations HARQ-ACK et contrôle d'alimentation des signaux HARQ-ACK dans les systèmes TDD avec agrégation de porteuses en liaison descendante
KR101712895B1 (ko) 다운링크 제어 정보 전송 방법 및 장치
EP2688237B1 (fr) Procédé et dispositif de transmission d'ack/nack dans un système de communication sans fil
KR101924425B1 (ko) 응답 채널 자원들을 할당하는 방법 및 장치
EP3343821B1 (fr) Procédé permettant d'envoyer des informations de commande, et dispositif de communication
EP3051712B1 (fr) Procédé et appareil pour décoder des informations de commande de liaison descendante par un terminal dans un système de communication sans fil
KR102195695B1 (ko) Fdd 셀과 tdd 셀의 집성
CN104348591B (zh) 一种上行控制信息的发送方法及用户设备、基站
JP2015144455A (ja) マルチキャリア動作のためのａｃｋ／ｎａｃｋ送信
WO2012146107A1 (fr) Procédé et dispositif de transmission d'informations de retour d'ack/nack
EP2451233A1 (fr) Procédé et appareil pour transmettre des données de planification semi-continuelle
WO2012022140A1 (fr) Procédé et système destinés à renvoyer un accusé de réception/un accusé de réception négatif sur un canal de commande de liaison montante physique
WO2016006857A1 (fr) Procédé de prise en charge de détection de porteuse dans un système d'accès sans fil prenant en charge une bande sans licence, et dispositif associé
WO2015106554A1 (fr) Procédé et dispositif de gestion de ressources, et support de stockage informatique
EP2536060A1 (fr) Procédé destiné à transmettre un message d'accusé de réception/d'accusé de réception négatif sur un canal de commande de liaison montante physique et matériel d'utilisateur associé
CN107197520A (zh) 一种数据传输的方法和装置
CN104767593A (zh) 应答信息传输方法及装置、终端、基站
KR101945658B1 (ko) 스펙트럼 통합의 데이터 발송 방법 및 장치
EP3018853B1 (fr) Procédé et dispositif pour configurer des ressources de transmission de données

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12721157

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12721157

Country of ref document: EP

Kind code of ref document: A1