WO2013026397A1 - Response information transmission method, receiving method, user equipment and base station - Google Patents
Response information transmission method, receiving method, user equipment and base station Download PDFInfo
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- WO2013026397A1 WO2013026397A1 PCT/CN2012/080473 CN2012080473W WO2013026397A1 WO 2013026397 A1 WO2013026397 A1 WO 2013026397A1 CN 2012080473 W CN2012080473 W CN 2012080473W WO 2013026397 A1 WO2013026397 A1 WO 2013026397A1
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- response information
- ack
- dtx
- nack
- data symbol
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a method for transmitting response information, a receiving method, and a user equipment and a base station.
- HARQ Hybrid Automatic Repeat Request
- the data receiver needs to feed back the response information to the data sender, and confirm to the data sender whether to correctly receive the transmission.
- the data and the response information specifically include the following three cases: acknowledgement (ACK, Acknowledgement), denial (NACK, Negative-acknowledgement), and discontinuous transmission (DTX, Discontinuous Transmission).
- ACK indicates that the data is received correctly
- NACK indicates that the data is received incorrectly
- DTX indicates that the data is not received.
- the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) evolves the E-UTRA (Evolved Universal Terrestrial Radio Access) system, also known as the Long Term Evolution (LTE) system.
- E-UTRA Evolved Universal Terrestrial Radio Access
- LTE Long Term Evolution
- the user equipment feeds back, by the physical uplink control channel (PUCCH, Physical Uplink Control Channel), response information to the base station for receiving downlink data received by the base station.
- PUCCH Physical Uplink Control Channel
- the PUCCH channel used for the user equipment to feed back the response information to the base station is referred to as an acknowledgement information channel, also referred to as an ACK channel.
- LTE-A Long Term Evolution
- CA Carrier Aggregation
- Technology also known as Spectrum Aggregation or Bandwidth Extension, supports wider bandwidth to meet the International Telecommunications Union's peak data rate requirements for fourth-generation communications technologies.
- carrier aggregation technology the spectrum of two or more component carriers (CC, Component Carrier) is aggregated to obtain a wider transmission bandwidth.
- the state of the response information is fed back by the channel selection method, that is, one of the plurality of ACK channels and a plurality of four phase phase shift keying (QPSK, Quadrature Phase Shift Keying) are performed by a predefined rule.
- QPSK Quadrature Phase Shift Keying
- the base station When receiving the uplink data, the base station first determines which ACK channel has received the data, and identifies which QPSK symbol is received on the ACK channel, according to the combination of the ACK channel and the QPSK modulation symbol it transmits, and the response.
- the correspondence between the states of the information can be used to obtain the response information fed back by the user equipment, so as to know the receiving condition of the data transmitted by the user equipment on the downlink component carrier.
- each component carrier has an independent HARQ process.
- PDSCH physical downlink shared channel
- Physica D Dedicated Shared Channel Physica D Dedicated Shared Channel
- the embodiment of the invention provides a method for transmitting response information, a receiving method, a user equipment and a base station.
- the user equipment generates a data corresponding to the data carried by the downlink component carrier received by the user equipment. Answer information
- the user equipment searches the response information mapping table, finds the response information channel group and the data symbol group corresponding to the response information, and the response information channel groups included in the different response information channel groups in the response information mapping table are different;
- the user equipment maps each of the data symbol groups to at least one response information channel
- the user equipment transmits the data symbols in the data symbol group to the base station on the mapped response information channel.
- the base station detects a response information channel group used by the user equipment for feedback response information, and each of the response information channel groups is mapped with at least one data symbol in the data symbol group; the base station is detecting the response Demodulating the data carried by the response information channel to obtain a data symbol group on the response information channel corresponding to the information channel group;
- the base station searches for the response information mapping table by using the detected response information channel group and the demodulated data symbol group, and obtains response information fed back by the user equipment.
- the response information generating unit is configured to generate response information corresponding to the data carried by the downlink component carrier received by the user equipment;
- a searching unit configured to search the response information mapping table, and find a response information channel group and a data symbol group corresponding to the response information corresponding to the data carried by the downlink component carrier, and different response information channels in the response information mapping table
- the response information channels included in the group are not the same;
- mapping unit configured to map each data symbol in the data symbol group to at least one response information channel
- a base station provided by an embodiment of the present invention includes:
- a detecting unit configured to detect a response information channel group used by the user equipment for feedback response information, where each response information channel in the response information channel group is mapped with at least one data symbol in the data symbol group;
- a demodulation unit configured to demodulate data carried by the response information channel to obtain a data symbol group on a response information channel corresponding to the detected response information channel group;
- the searching unit is configured to search the response information mapping table by using the detected response information channel group and the demodulated data symbol group to obtain response information fed back by the user equipment.
- the embodiments of the present invention have the following advantages:
- the user equipment finds the response information channel group and the data symbol group corresponding to the response information corresponding to the data carried by the received downlink component carrier by searching the response information mapping table, and then the user equipment uses the data symbol.
- Each of the data symbols in the group is mapped to the at least one response information channel, and the user equipment sends the data symbols in the data symbol group to the base station.
- the user equipment in the embodiment of the present invention passes through a response information channel group and a data symbol group.
- the response information channel group and the data symbol group corresponding to one type of response information may be used to indicate that the user equipment receives multiple downlink component carriers. It can be applied to the case where the base station configures multiple downlink component carriers for the user equipment.
- FIG. 1 is a schematic diagram of a method for transmitting response information according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of transmitting data symbols by using an antenna corresponding to an ACK channel according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of another method for transmitting data symbols by using an antenna corresponding to an ACK channel according to an embodiment of the present disclosure
- FIG. 4 is a schematic diagram of resource blocks of a PUCCH according to an embodiment of the present invention.
- FIG. 5 is a schematic diagram of 36 different pilots according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of a method for receiving response information according to an embodiment of the present invention.
- FIG. 7 is a schematic diagram of a user equipment according to an embodiment of the present disclosure.
- FIG. 8 is a schematic diagram of a base station according to an embodiment of the present invention.
- the embodiment of the invention provides a method for sending response information, a receiving method, a user equipment and a base station, which can be used to improve resource utilization when multiple antenna ports are used.
- the method for transmitting response information provided by the embodiment of the present invention includes: 101.
- a user equipment generates response information corresponding to data carried by a downlink component carrier received by the user equipment.
- the base station when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the physical downlink shared channel (PDSCH) through each downlink component carrier, the user equipment.
- the data sent by the base station is received by each downlink component carrier, and the data received by the multiple downlink component carriers is fed back to the base station.
- the user equipment after the user equipment receives the downlink component carrier, the user equipment needs to feed back the response information to the base station according to the receiving situation, and is used to indicate the receiving condition of the data sent by the user equipment to the base station.
- the base station allocates a response information channel (referred to as an ACK channel in the embodiment of the present invention) to the downlink component carrier in the carrier aggregation scenario, and the user equipment can feed back the response information of the data carried by the user equipment to each downlink component carrier by using the ACK channel allocated by the base station.
- the downlink component carrier is a configured or activated component carrier.
- the base station configures 2 ACK channels for each downlink component carrier, and there are 2N ACK channels, and N is a natural number.
- the base station allocates two ACK channels for each downlink component carrier, and has 4 ACK channels, and data transmission on each downlink component carrier of the two downlink component carriers. It is configured to support the transmission of two codewords at the maximum. Each codeword is independently channel-coded and independently checked for reception. Therefore, the response information corresponding to each codeword can be separately fed back.
- the response information to be fed back can also include two types: ACK:, NACK/DTX. Because when these response messages are generated, the impact on the receiving end (base station) is the same or substantially the same.
- the base station sends a codeword to the user equipment. If the user equipment receives an error and needs to feed back the NACK to the base station, or the user equipment does not receive the codeword at all, the DTX needs to be fed back to the base station, but the base station needs to re-re- The codeword is transmitted once. In this case, the response message NACK and the response message DTX are indistinguishable, and a state is directly indicated by "NACK/DTX".
- the user equipment searches the response information mapping table, and finds a response information channel group and a data symbol group corresponding to the generated response information, where different response information channels in the response information mapping table The response information channels included in the group are not the same.
- the response information to be fed back is respectively represented by different response information channel groups and different data symbol groups, and a response information mapping table may be formed.
- the response information channel group is at least The two response information channels are included, and different response information channel groups include different response information channels, and each response information channel includes two time slots.
- the base station configures N downlink component carriers for the user equipment, the base station configures 2 ACK channels for each downlink component carrier, and then there are 2N ACK channels, N is a natural number, and 2N ACK channel packets are grouped into N groups. Two ACK channels per group. Taking two downlink component carriers as an example, two ACK channels corresponding to the same downlink member carrier are grouped into the same group.
- a response information channel group and a data symbol group uniquely correspond to one response information to be fed back.
- N there are two downlink component carriers, and one downlink component carrier is allocated.
- the ACK channel is ACK channel 0 and ACK channel 1
- the ACK channel allocated by the other downlink component carrier is ACK channel 2 and ACK channel 3.
- the ACK channel 0 and the ACK channel 1, the ACK channel 2 and the ACK channel 3 are divided into two groups, respectively For the ACK channel group (0, 1) and the ACK channel group (2, 3), an ACK channel group and a data symbol group are used to indicate a response message to be fed back, as shown in Table 1 below.
- a response information mapping table of the feedback response information is used to indicate a response message to be fed back.
- a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived according to the response information mapping table. It is an example and is not limited.
- Table 1 is the response information mapping table of the response information to be fed back.
- HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier
- HARQ-ACK (1) represents the second code on the first downlink component carrier.
- Receive response information corresponding to the word HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier
- HARQ-ACK (3) represents the second on the second downlink component carrier.
- ACK indicates that the user equipment receives the correct codeword
- NACK table The user equipment indicates that the codeword is incorrectly received
- DTX indicates that the user equipment does not receive the codeword
- NACK/DTX indicates that the user equipment receives the codeword error or does not receive the codeword
- (0, 1) indicates a response information channel group, including
- the response information channel 0 and the response information channel 1 are respectively two response information channels allocated by the base station for the first downlink component carrier, and (2, 3) represents another response information channel group.
- Table 1 if the response information generated by the user equipment is the state of the last row in Table 1, the user equipment will not send anything, and "No transmission" means that no data is sent.
- Data symbol group (a0, al) - Another data symbol (such as al) in i has 2 different values.
- four different values are the four constellation points corresponding to QPSK, and two different values are the two constellation points corresponding to BPSK.
- Table 3 is the relationship between data symbols QPSK modulation symbols and bit values.
- Table 4 shows the relationship between BPSK modulation symbols and bit values of data symbols.
- the a0 and al in the data symbol group (a0, al)_i in Table 1 can have three different values respectively.
- three different values are three of the QPSK constellation points, and a0 and al are taken out.
- the three constellation points may not be identical.
- a0 takes ⁇ 1, -1, j ⁇ , al takes ⁇ j, -j, 1 ⁇ ;
- 3 different values are 3 constellations corresponding to 3PSK ⁇ C, Cexp ⁇ j 27T/3 ⁇ , Cexp ⁇ j 47T/3 ⁇ , where C is any complex number, C can take 1, and exp ⁇ denotes an exponential function with e as the bottom, as shown in Table 5 below:
- (b0, bl) J, j l, 2, ..., 8, in Table 1, where bO and bl can also be performed according to one of the above methods of a0 and al. Value, but the value of a0 and al can be the same as or different from b0 and bl. It is only described here.
- the data symbol group for two downlink component carriers, for example, when N is 2, ACK channel 0 and ACK channel 1, ACK channel 2, and ACK channel 3 are divided into two groups, Don't be an ACK channel group (0, 1) and an ACK channel group (2, 3).
- the data symbol group is (aO, al)-i and (bO, bl) J, respectively, and the bit values are respectively taken according to the above method for the data symbol group, and the response information mapping table of the response information to be fed back as shown in Table 6 is obtained. .
- Table 6 is the response information mapping table of the response information to be fed back.
- the bit group of Table 6 may be corresponding to the data symbol group.
- the bit [1, 1] of the previous bit with two bits in the parentheses of the bit group ([1, 1], [1]) corresponds to one of the data symbols as shown in Table 2.
- the response information mapping table of the response information to be fed back may be derived according to the mapping relationship table of the table 2 or the table 3 or the table 4, which is not limited herein.
- the user equipment maps each data symbol in the data symbol group to at least one response information channel.
- the user equipment maps each response information channel in the response information channel group corresponding to the response information that needs to be fed back to different antenna ports.
- the user equipment maps each response information channel in the response information channel group corresponding to the response information that needs to be fed back to different antenna ports, so that the user equipment corresponding antenna port transmits data corresponding to the response information that needs feedback to the base station.
- the base station allocates two for each downlink component carrier.
- ACK channel there are 4 ACK channels. For example, as shown in Table 6, two ACK channels (ACK channel 0 and ACK channel 1) in the ACK channel group (ACK channel (0, 1)) are mapped to antenna port 0 and antenna, respectively.
- Port 1 in the embodiment of the present invention, mapping the response information channel to the antenna port means that a corresponding relationship is established between the response information channel and the antenna port, and when the data symbol needs to be transmitted through the antenna port, it must be The response information channel of the antenna port mapping should be implemented, for example For example, mapping ACK channel 0 to antenna port 0 means that transmission is performed corresponding to ACK channel 0 when data symbols need to be transmitted through antenna port 0.
- the data symbol needs to be transmitted corresponding to the ACK channel
- the user equipment maps each data symbol in the data symbol group corresponding to the feedback information that needs to be fed back to at least one response information channel.
- mapping each data symbol in the data symbol group to the at least one response information channel may be: the user equipment maps each data symbol in the data symbol group to a response information channel, that is, each Data symbols are uniquely mapped into a response information channel. Or, the user equipment maps each of the data symbol groups to two acknowledgment information channels.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- the group is a bit group ([1, 1], [1]).
- the user equipment maps the data symbols [1, 1] in the bit group ([1, 1], [1]) Mapping a data symbol [1] in a bit group ([1, 1], [1]) to a time slot in another response information channel to a time slot or two time slots in an acknowledgement information channel or Two time slots.
- the user equipment when the data symbol group includes two data symbols, the user equipment respectively maps each data symbol in the data symbol group to the at least one response information channel, which may be: the user equipment uses one data in the data symbol group. The symbol is mapped to two response information channels; the user equipment maps another data symbol in the data symbol group to a response information channel.
- the user equipment mapping one data symbol in the data symbol group to the two response information channels may include: the user equipment mapping one data symbol in the data symbol group to the first response information. a first time slot of the channel and a second time slot of the second response information channel; or, the user equipment maps one data symbol in the data symbol group to the first time slot of the first response information channel, the first response information channel The third time slot, the second time slot of the second response information channel.
- the user equipment maps another data symbol in the data symbol group to a response information channel.
- the method includes: the user equipment mapping another data symbol in the data symbol group to a fourth time slot of the second response information channel.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- the group is a bit group ([1, 1], [1]), and the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to one of the two response information channels.
- the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to two time slots of one of the two response information channels and another response information channel
- One of the time slots maps the data symbol [1] in the bit group ([1, 1], [1]) to another time slot of the other response information channel.
- the user equipment mapping each data symbol in the data symbol group to at least one response information channel may be: the user equipment maps each data symbol in the data symbol group to two response information channels.
- the user equipment maps each data symbol in the data symbol group to two response information channels including:
- the user equipment maps one of the data symbols in the data symbol group to the first time slot of the first response information channel and the second time slot of the second response information channel.
- the user equipment maps another data symbol in the data symbol group to a third time slot of the first response information channel and a fourth time slot of the second response information channel.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- the group is a bit group ([1, 1], [1]), and the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to one of the two response information channels.
- One time slot of the information channel and one time slot of the other response information channel, the data symbols in the bit group ([1, 1], [1]) [1] is mapped to another time slot of one of the two response information channels and another time slot of the other of the response information channels.
- ACK channel 0 and ACK channel 1 two ACK channels (ACK channel 0 and ACK channel 1) of the ACK channel group are mapped to antenna 1 and antenna 2, respectively, and a set of data symbols corresponding to the response information are a0 and al (or b0 and bl).
- the corresponding ACK channel group is ACK channel 0 and ACK channel 1 (or ACK channel 2 and ACK channel 3), then data symbol a0 can be mapped to two time slots of ACK channel 0, and data symbol al can be mapped to The two slots of ACK channel 1 are transmitted as shown in FIG. 2.
- a0 is mapped to one of the ACK channel 0 and one of the ACK channel 1 is transmitted, and the data symbol a1 is mapped to the other of the ACK channel 0 and the other of the ACK channel 1 is transmitted.
- Figure 3 shows that
- An ACK channel will be transmitted in two resource blocks of the PUCCH, where the two resource blocks are located differently. FIG.
- FIG. 4 is a schematic diagram of resource blocks of a PUCCH according to an embodiment of the present invention.
- a resource block of an ACK channel three symbols in the middle are used to transmit demodulation pilots, and the remaining four symbols are used.
- To transmit data symbols such as to transmit a0, al, b0, bl as described above.
- different ACK channels are code-multiplexed together, wherein the codes of the ACK channels are mutually orthogonal to distinguish different ACK channels.
- the data symbols to be transmitted in each slot in the ACK channel are spread and mapped onto the resource block shown in FIG.
- the sequence used for spreading is a two-dimensional orthogonal spreading code, and the spreading code in the frequency domain is a length of 12.
- the sequence has a total of 12 different sequences; the spreading code in the time domain is an orthogonal sequence of length 4 with a total of 3 different sequences.
- r is a sequence obtained by phase rotation of the base sequence.
- Table 7 shows three orthogonal sequence tables of length 4
- FIG. 5 is a schematic diagram of a transmission structure of an ACK channel according to an embodiment of the present invention.
- a data symbol m (for example, m is a0, al, b0, bl, etc.) transmitted on a time slot on an ACK channel passes through a time-frequency domain sequence.
- Dimensional spreading is mapped to 4 M in the resource block in the symbol of the data transmission, wherein the frequency domain sequence used is r"( «), the sequence used in the time domain is, and there are up to 36 pilot selections in FIG. Therefore, it can support up to 36 different ACK channels.
- a resource block has 12 sequences in the frequency domain and 3 sequences in the time domain, and a total of 36 sequence combinations, that is, 36 two-dimensional spreading sequences.
- Different ACK channels in the same resource block will employ different sequences of the 36 two-dimensional spreading sequences.
- Table 8 These 36 two-dimensional spread spectrum sequences can be numbered K:.
- Table 8 shows the number K of 36 two-dimensional spreading sequences.
- Table 9 shows the numbering of 18 two-dimensional spreading sequences.
- the user equipment sends the data symbols in the data symbol group to the base station on the mapped response information channel.
- the user equipment after the user equipment maps each data symbol in the data symbol group to the at least one response information channel, the user equipment sends the data symbols in the data symbol group to the base station.
- the response information mapping table stored in the user equipment is as shown in Table 6, when the user equipment receives data and each codeword of the two component carriers is received, the response information that the user equipment needs to feed back to the base station is HARQ.
- the channel that the user equipment needs to use to send uplink data to the base station is ACK Channel 0 and ACK channel 1
- the transmitted data symbol group is the QPSK data symbol corresponding to the bit group ([1, 1], [1]) in the first row in Table 6, and the BPSK symbol base station can correspond to the ACK channel through the user equipment.
- the base station provides the energy detection method to detect the ACK letter.
- the base station can obtain the ACK response channel group used by the user equipment as an ACK channel group (0, 1), and the base station demodulates the data symbols on the ACK channel group.
- the bit group sent by the user equipment is ([1, 1], [1]), and then, by searching the table 6, the base station can obtain the response information that the user equipment needs to feed back to the base station as HARQ-ACK(O).
- the base station judges according to this, the user equipment receives the data, and each codeword of the two component carriers is correctly corrected by the user data. Received.
- the user equipment finds the response information channel group and the data symbol group corresponding to the response information that needs to be fed back by searching the response information mapping table, and then the user equipment separates each data symbol in the data symbol group. Mapping to the at least one response information channel, the user equipment sends the data symbol in the data symbol group to the base station.
- the user equipment indicates a response message through a response information channel group and a data symbol group.
- the response information channel group and the data symbol group corresponding to one type of response information may be used to indicate that the user equipment receives multiple downlink component carriers, which can be applied to the base station to configure the user equipment. The case of multiple downlink component carriers.
- the above embodiment describes a method of transmitting response information implemented from the user equipment side. Next, a method of receiving response information implemented from the base station side will be described. Please refer to the embodiment shown in FIG. 6.
- the method for receiving the response information includes:
- the base station detects a response information channel group used by the user equipment to feed back the response information, where each of the response information channel groups is mapped with at least one data symbol in the data symbol group.
- the base station when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the physical downlink shared channel by using each downlink component carrier, and the user equipment generates feedback according to the situation of receiving data. Response information.
- the base station allocates response information to the downlink component carrier in the carrier aggregation scenario.
- a channel where the downlink component carrier is a configured or activated component carrier.
- the base station configures 2 ACK channels for each downlink component carrier, and 2N ACK channels exist in total, and N is a natural number.
- the base station allocates two ACK channels for each downlink component carrier, and has 4 ACK channels, and data transmission on each downlink component carrier of the two downlink component carriers. It is configured to support the transmission of two codewords at the maximum. Each codeword is independently channel-coded and independently performs reception check. Therefore, the response information corresponding to each codeword can be separately fed back.
- the base station allocates a response information channel to the downlink component carrier.
- the base station uses a Control Channel Element (CCE) of the Physical Downlink Control Channel (PDCCH).
- CCE Control Channel Element
- PDCCH Physical Downlink Control Channel
- a response information channel is assigned to the user.
- one PDCCH is composed of 1, 2, 4 or 8 CCEs, and the number of CCEs constituting one PDCCH is related to the size of the control channel content and the channel quality of the user.
- 8 CCEs may be used to transmit the PDCCH of the user, and the PDCCH of the user may adopt a very low coding rate to resist the fading of the channel.
- All the available CCEs in the base station have a number, so the two ACK channels corresponding to the downlink component carrier can be calculated and calculated by the number of the CCE corresponding to the PDCCH corresponding to the data transmission on the downlink component carrier, for example, by using the PDCCH.
- the numbered n-CCE with the lowest number in the corresponding CCE, and n-CCE+1 are calculated and derived.
- the base station can semi-statically configure two ACK channels for the downlink component carrier, or the base station configures multiple pairs of ACK channels for the downlink component carrier, and each pair of ACK channels includes two ACK channels.
- the base station calculates the ACK channel by using the CCE corresponding to the PDCCH for the downlink component carrier, and the base station directly configures two ACK channels or pairs for the downlink component carriers.
- ACK channel the base station is on the same downlink
- the PDSCHs on different downlink subframes on the carrier are allocated corresponding answer information channels according to different allocation methods.
- any implementation manner or a combination thereof may be adopted.
- different manners may be used according to different service types, and one mode is used for dynamically scheduling data services, and semi-persistent scheduling (SPS, Semi-persistent Scheduling) In another way, etc.
- SPS Semi-persistent Scheduling
- the base station detects that the response information channel group used by the user equipment to send the data symbol group can be implemented in the following manner: The base station obtains the response information channel group used by the user equipment to send the data symbol group by using the energy detection method or the coherent detection method. .
- the base station can detect the response information channel group used by the data symbol sent by the user equipment. For example, when the base station detects that the user equipment sends the data symbol through the ACK channel 0 and the ACK channel 1, the base station can acquire the user equipment.
- the ACK channel group used is (0, 1).
- each response information channel in the response information channel group detected by the base station is mapped with at least one data symbol in the data symbol group, and all data in the data symbol group sent by the user equipment.
- the symbols are mapped to all of the response information channels in the response information channel group detected by the base station. For example, some of the response information channels in the response information channel group detected by the base station map one data symbol, and some map two data symbols.
- the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group.
- the base station demodulates the received data symbol. For example, when the base station demodulates the data carried by the response information channel group corresponding to the response information channel, it is a BPSK data symbol and
- the QPSK symbol ⁇ -1 , then through Table 2 and Table 4, the base station can obtain - ⁇ " the bit group sent by the user equipment is ([1 , 1], [1] ).
- the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, which may be: the base station solves the data carried by each response information channel. Tune, respectively, to get a data symbol in the data symbol group.
- the base station may demodulate data carried in one time slot or two time slots of each response information channel corresponding to the response information channel group to obtain one data symbol in the data symbol group.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- Groups are bit groups ([1, 1], [1]).
- the response information channel group detected by the base station is (0, 1), and the base station demodulates data carried in one time slot or two time slots of the response information channel 0 to obtain a data symbol in the data symbol group [1] , 1], the base station demodulates data carried in one time slot or two time slots of the response information channel 1, and another data symbol in the data symbol group can be obtained.
- the data symbol group that the base station can demodulate is ([1 , 1] , [1] ).
- the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, which may be specifically: all two of the base station to the response information channel group.
- the data carried by the response information channel is demodulated, and each data symbol in the data symbol group is simultaneously mapped on the two response information channels.
- the base station demodulates data carried by the first time slot of the first response information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; and the base station responds to the first response information channel.
- the data carried by the third time slot and the fourth time slot of the second response information channel are demodulated to obtain another data symbol of the data symbol group.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- Groups are bit groups ([1, 1], [1]).
- the response information channel group detected by the base station is (0, 1), and the base station demodulates one time slot of the response information channel 0 and the data carried by one time slot of the response information channel 1, and one of the data symbol groups can be obtained.
- the base station demodulates data carried by another time slot of the response information channel 0 and another time slot of the response information channel 1, and another data symbol in the data symbol group can be obtained [1] ], whereby the data symbol group that the base station can demodulate is ([1, 1], [1]).
- the base station demodulates data carried by the two response information channels corresponding to the response information channel group, and obtaining one data symbol of the data symbol group includes: the base station may respond to the first Demodulating data carried by the first time slot of the information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; or, the base station may be the first time slot of the first response information channel, The data carried by the third time slot of the response information channel and the second time slot of the second response information channel is demodulated to obtain one data symbol of the data symbol group.
- the base station demodulates the data carried by the response information channel corresponding to the response information channel group, and obtains another data symbol of the data symbol group.
- the base station demodulates the fourth time slot of the second response information channel to obtain data. Another data symbol for the symbol group.
- the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back.
- Groups are bit groups ([1, 1], [1]).
- the response information channel group detected by the base station is (0, 1), and the base station demodulates one time slot of the response information channel 0 and the data carried by one time slot of the response information channel 1, and one of the data symbol groups can be obtained.
- the data symbol [1, 1], or the base station detects the response information channel group is (0, 1), and the base station solves the two time slots of the response information channel 0 and the data carried by one time slot of the response information channel 1.
- one data symbol [1, 1] in the data symbol group can be obtained, and the base station demodulates the data carried by the other time slot of the response information channel 1, and another data symbol in the data symbol group can be obtained. 1]
- the data symbol group that the base station can demodulate is ([1, 1], [1]).
- the base station searches through the detected response information channel group and the demodulated data symbol group.
- the response information mapping table obtains response information fed back by the user equipment.
- the base station searches the response information mapping table according to the detected response information channel group and the demodulated data symbol group, and finds the response information fed back by the user equipment.
- the response information group obtained by the base station is an ACK channel group (0, 1) and a bit group corresponding to the data symbol group ([1, 1], [1]).
- the base station can obtain the user equipment needs to
- the response information fed back by the base station is HARQ-ACK (O) ACK, HARQ-ACK (1) ACK, HARQ-ACK (2) ACK, HARQ-ACK (3) ACK, and the base station determines that the user equipment receives the data as two.
- Each codeword of each component carrier is received by the user data.
- response information mapping table stored in the base station may be specifically as shown in Table 6.
- a plurality of response information and response information channels to be fed back may be derived according to the response information mapping table.
- mapping table between groups and data symbol groups is merely illustrative and not limited.
- the base station detects the response information channel group of the user equipment feedback response information, and demodulates the data symbol group sent by the user equipment. Finally, the base station obtains the response of the user equipment feedback by searching the response information mapping table. information.
- the user equipment indicates a type of response information through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, the information channel group and the data symbol can be acknowledged. The group corresponds to a type of response information to indicate that the user equipment receives the reception of multiple downlink component carriers, and is applicable to the case where the base station configures multiple downlink component carriers for the user equipment.
- the above embodiment describes a method for transmitting and receiving a response message according to an embodiment of the present invention.
- a user device using a method for transmitting the response message will be described. Referring to the embodiment shown in FIG.
- the user equipment 700 includes: a response information generating unit 701, a searching unit 702, a mapping unit 703, and a data symbol group sending unit 704, where
- the response information generating unit 701 generates a downlink component carrier that is received by the user equipment 700.
- the response information corresponding to the data.
- the base station when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the PDSCH through each downlink component carrier, and the response information generating unit 701 generates feedback that needs to be received according to the situation of receiving data. Answer the message.
- the user equipment needs feedback response information. If it is full feedback, the response information to be fed back specifically includes three types: ACK, NACK, and DTX, that is, each codeword needs to feed back three states, which are ACK. NACK and DTX.
- the response information to be fed back may also include two types: ACK:, NACK/DTX, and is not specifically limited.
- the searching unit 702 is configured to search the response information mapping table, and find a response information channel group and a data symbol group corresponding to the generated response information, where the response information channel included in the different response information channel group in the response information mapping table Not the same.
- the response information to be fed back is respectively represented by different response information channel groups and different data symbol groups, and a response information mapping table may be formed.
- the response information channel group is at least Two response information channels are included, different response information channel groups include different response information channels, and each response information channel includes two time slots.
- the searching unit 702 is specifically configured to look up the response information mapping table as described in Table 6.
- a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived from the response information mapping table, which is not limited herein.
- the mapping unit 703 is configured to map each data symbol in the data symbol group to at least one response information channel.
- the transmission of the data symbol needs to be mapped to the ACK channel, and the mapping unit 703 maps each data symbol in the data symbol group corresponding to the response information that needs to be fed back to the at least one response information channel.
- the mapping unit 703 may be specifically configured to map each data symbol in the data symbol group to a response information channel, that is, each data symbol is uniquely mapped into a response information channel.
- the mapping unit 703 may specifically be configured to map one data symbol in the data symbol group to two response information channels; and another data symbol in the data symbol group. Map to an acknowledgement information channel.
- the mapping unit 703 can be specifically configured to map each data symbol in the data symbol group to two response information channels.
- the data symbol group sending unit 704 is configured to send the data symbols in the data symbol group to the base station on the mapped response information channel, so that the base station can obtain the response information fed back by the user by receiving the data symbols in the data symbol group.
- the searching unit 702 finds the response information channel group and the data symbol group corresponding to the response information that needs to be fed back by searching the response information mapping table, and then the mapping unit 703 sets each data in the data symbol group. The symbols are respectively mapped to at least one response information channel.
- the user equipment indicates a response message through a response information channel group and a data symbol group.
- the response information channel group and the data symbol group correspond to one type of response information to indicate that the user equipment receives the reception of the plurality of downlink component carriers, and can be applied to the case where the base station configures multiple downlink component carriers for the user equipment.
- the base station 800 includes: a detecting unit 801, a demodulating unit 802, and a searching unit 803.
- the detecting unit 801 is configured to detect a response information channel group used by the user equipment to feed back response information, where each of the response information channel groups is mapped with at least one data symbol in the data symbol group.
- the detecting unit 801 is specifically configured to obtain, by using an energy detecting method or a coherent detecting method, a response information channel group used by the user equipment to send a data symbol group.
- the demodulation unit 802 is configured to demodulate data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, where each data symbol in the data symbol group is The user equipments are respectively mapped to at least one response information channel and then sent to the base station.
- the searching unit 803 is configured to search the response information mapping table according to the detected response information channel group and the demodulated data symbol group, and obtain response information fed back by the user equipment.
- the demodulation unit 802 is specifically configured to demodulate data carried by each response information channel in the response information channel group to obtain a data symbol group. A data symbol in .
- an optional implementation manner of the demodulation unit 802 is: when the data symbol group includes two data symbols, the demodulation unit 802 is specifically configured to use all two response information channels in the response information channel group.
- the carried data is demodulated, and each of the data symbol groups is simultaneously mapped to the data symbols on the two response information channels; and the data carried by the response information channel corresponding to the response information channel group is demodulated to obtain the data symbols. Another data symbol for the group.
- an optional implementation manner of the demodulation unit 802 is: when the data symbol group includes two data symbols, the demodulation unit 802 is specifically configured to carry two response information channel bearers corresponding to the response information channel group. The data is demodulated to obtain two data symbols of the data symbol group.
- response information mapping table stored in the base station may be specifically as shown in Table 6, and details are not described herein again.
- a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived according to the response information mapping table.
- the illustration is not limited.
- the detecting unit 801 detects the response information channel group corresponding to the user equipment, and the demodulating unit 802 demodulates the data symbol group sent by the user equipment. Finally, the searching unit 803 obtains the response information mapping table.
- the user equipment indicates a type of response information through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, the response information channel group and the data symbol may be used.
- the group corresponds to a type of response information to indicate that the user equipment receives the reception of multiple downlink component carriers, and is applicable to the case where the base station configures multiple downlink component carriers for the user equipment.
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Abstract
Disclosed in an embodiment of the present invention are a response information transmission method, receiving method, user equipment (UE) and base station, suitable for the situation when the base station allocates a plurality of downlink member carriers for the UE. The method in the embodiment of the present invention comprises: the UE generates response information corresponding to the data carried in a downlink member carrier received by the UE; the UE searches in a response information mapping table for a data symbol group and a response information channel group corresponding to the response information corresponding to the data carried in the downlink member carrier, different response information channel groups in the response information mapping table comprising different response information channels; the UE maps each data symbol in the data symbol group respectively into at least one response information channel; and the UE transmits the data symbols in the data symbol group to the base station on the mapped response information channel.
Description
一种应答信息的发送方法、 接收方法和用户设备及基站 本申请要求于 2011 年 08 月 22 日提交中国专利局、 申请号为 201110241609.4、 发明名称为"一种应答信息的发送方法、 接收方法和用户设 备及基站"的中国专利申请的优先权, 其全部内容通过引用结合在本申请中。 Method for transmitting response information, receiving method, and user equipment and base station The application is filed on August 22, 2011, the Chinese Patent Office, the application number is 201110241609.4, and the invention name is "a method for transmitting response information, a receiving method, and Priority of the Chinese Patent Application for User Equipment and Base Stations, the entire contents of which are incorporated herein by reference.
技术领域 Technical field
本发明涉及无线通信领域, 尤其涉及一种应答信息的发送方法、接收方法 和用户设备及基站。 The present invention relates to the field of wireless communications, and in particular, to a method for transmitting response information, a receiving method, and a user equipment and a base station.
背景技术 Background technique
在混合自动重传请求 ( HARQ, Hybrid Automatic Repeat Request )技术 中,数据发送方向数据接收方发送数据后,数据接收方需要向数据发送方反馈 应答信息, 向数据发送方确认是否正确接收其发送的数据,应答信息具体包括 以 下三种情况: 确认 ( ACK , Acknowledgement )、 否认 ( NACK , Negative-acknowledgement ) 与 非 连续发射 ( DTX , Discontinuous Transmission )。 其中, ACK表示数据接收正确, NACK表示数据接收错误, DTX 表示没有接收到数据。 In the Hybrid Automatic Repeat Request ( HARQ) technology, after the data transmission direction data receiver sends data, the data receiver needs to feed back the response information to the data sender, and confirm to the data sender whether to correctly receive the transmission. The data and the response information specifically include the following three cases: acknowledgement (ACK, Acknowledgement), denial (NACK, Negative-acknowledgement), and discontinuous transmission (DTX, Discontinuous Transmission). Among them, ACK indicates that the data is received correctly, NACK indicates that the data is received incorrectly, and DTX indicates that the data is not received.
第三代合作伙伴计划 ( 3GPP, 3rd Generation Partnership Project ) 演 进全球地面无线接入 ( E-UTRA , Evolved Universal Terrestrial Radio Access ) 系统, 也称为长期演进(LTE, Long Term Evolution) 系统中, 在上 行链路(Uplink)方向, 用户设备通过物理上行控制信道(PUCCH, Physical Uplink Control Channel ), 向基站反馈对基站发送的下行数据接收情况的应 答信息。其中,将用于用户设备向基站反馈应答信息的 PUCCH信道称为应答信 息信道, 也称为 ACK信道。 The 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) evolves the E-UTRA (Evolved Universal Terrestrial Radio Access) system, also known as the Long Term Evolution (LTE) system. In the uplink direction, the user equipment feeds back, by the physical uplink control channel (PUCCH, Physical Uplink Control Channel), response information to the base station for receiving downlink data received by the base station. The PUCCH channel used for the user equipment to feed back the response information to the base station is referred to as an acknowledgement information channel, also referred to as an ACK channel.
在作为 LTE系统进一步演进和增强系统的高级长期演进( LTE-A, Long Term Advanced Long Term Evolution (LTE-A, Long Term) as a further evolution and enhancement system for LTE systems
Evolution Advanced ) 系统中, 采用载波聚合 (CA, Carrier Aggregation )
技术,也称为频谱聚合( Spec trum Aggregat ion )技术或者带宽扩展( Bandwidth Extens ion )技术, 来支持更宽的带宽, 以满足国际电信联盟对于第四代通信 技术的峰值数据速率要求。在载波聚合技术中,将两个或更多的成员载波(CC, Component Carr ier ) 的频谱聚合在一起来得到更宽传输带宽。 Evolution Advanced) In the system, Carrier Aggregation (CA) is used. Technology, also known as Spectrum Aggregation or Bandwidth Extension, supports wider bandwidth to meet the International Telecommunications Union's peak data rate requirements for fourth-generation communications technologies. In carrier aggregation technology, the spectrum of two or more component carriers (CC, Component Carrier) is aggregated to obtain a wider transmission bandwidth.
目前, 通过信道选择方法来反馈应答信息的状态, 即: 通过预先定义的规 则,以多个 ACK信道中的一个 ACK信道与多个四相相移键控( QPSK, Quadra ture Phase Shif t Keying )调制符号中的一个 QPSK调制符号的组合, 表示为: ( ACK 信道, QPSK调制符号),来表示应答信息的一个状态,通过该 ACK信道发送 QPSK 调制符号来上行反馈该组合对应的应答信息的状态。基站接收上行数据时, 首 先判断出哪一个 ACK信道上接收到了数据,并识别出该 ACK信道上接收到的是 哪一个 QPSK符号,根据该 ACK信道及其发送的 QPSK调制符号的组合, 与应答 信息的状态之间的对应关系,便可获知用户设备反馈的应答信息,从而获知用 户设备对下行成员载波上传输的数据的接收情况。 At present, the state of the response information is fed back by the channel selection method, that is, one of the plurality of ACK channels and a plurality of four phase phase shift keying (QPSK, Quadrature Phase Shift Keying) are performed by a predefined rule. A combination of one QPSK modulation symbol in the modulation symbol, expressed as: (ACK channel, QPSK modulation symbol), represents a state of the response information, and the QPSK modulation symbol is transmitted through the ACK channel to uplink feedback the state of the response information corresponding to the combination. . When receiving the uplink data, the base station first determines which ACK channel has received the data, and identifies which QPSK symbol is received on the ACK channel, according to the combination of the ACK channel and the QPSK modulation symbol it transmits, and the response. The correspondence between the states of the information can be used to obtain the response information fed back by the user equipment, so as to know the receiving condition of the data transmitted by the user equipment on the downlink component carrier.
上面描述的现有技术只适用于基站为用户设备配置一个下行成员载波的 情况。 在载波聚合技术中, 每个成员载波都有独立的 HARQ过程。 当 LTE-A用 户设备同时接入多个下行成员载波时,对每个下行成员载波在物理下行共享信 道 ( PDSCH, Phys ica l Dedicated Shared Channel )上传输的数据, 都要上行 反馈相应的应答信息,而现有技术中不存在这种适用于多个下行成员载^!馈 应答信息的方法。 The prior art described above is only applicable to the case where the base station configures a downlink component carrier for the user equipment. In carrier aggregation technology, each component carrier has an independent HARQ process. When the LTE-A user equipment accesses multiple downlink component carriers at the same time, the data transmitted on the physical downlink shared channel (PDSCH, Physica D Dedicated Shared Channel) of each downlink component carrier must be fed back corresponding response information. However, such a method suitable for a plurality of downlink member-loaded response information does not exist in the prior art.
发明内容 Summary of the invention
本发明实施例提供了一种应答信息的发送方法、接收方法和用户设备及基 站。 The embodiment of the invention provides a method for transmitting response information, a receiving method, a user equipment and a base station.
本发明实施例提供的一种应答信息的发送方法, 包括: A method for transmitting response information provided by an embodiment of the present invention includes:
用户设备生成所述用户设备接收到的下行成员载波承载的数据对应的应
答信息; The user equipment generates a data corresponding to the data carried by the downlink component carrier received by the user equipment. Answer information
用户设备查找应答信息映射表,找到与所述应答信息相对应的应答信息信 道组和数据符号组,所述应答信息映射表中的不同的应答信息信道组所包括的 应答信息信道不相同; The user equipment searches the response information mapping table, finds the response information channel group and the data symbol group corresponding to the response information, and the response information channel groups included in the different response information channel groups in the response information mapping table are different;
用户设备将所述数据符号组中的每一个数据符号分别映射到至少一个应 答信息信道; The user equipment maps each of the data symbol groups to at least one response information channel;
用户设备在所述映射到的应答信息信道上将所述数据符号组中的数据符 号发送给基站。 The user equipment transmits the data symbols in the data symbol group to the base station on the mapped response information channel.
本发明实施例提供的一种应答信息的接收方法, 包括: A method for receiving response information provided by an embodiment of the present invention includes:
基站检测出用户设备用于反馈应答信息的应答信息信道组,所述应答信息 信道组中的每一个应答信息信道都映射有数据符号组中的至少一个数据符号; 所述基站在检测出的应答信息信道组对应的应答信息信道上,解调所述应 答信息信道承载的数据得到一数据符号组; The base station detects a response information channel group used by the user equipment for feedback response information, and each of the response information channel groups is mapped with at least one data symbol in the data symbol group; the base station is detecting the response Demodulating the data carried by the response information channel to obtain a data symbol group on the response information channel corresponding to the information channel group;
所述基站通过检测出的应答信息信道组和解调得到的数据符号组,查找应 答信息映射表, 得到所述用户设备反馈的应答信息。 The base station searches for the response information mapping table by using the detected response information channel group and the demodulated data symbol group, and obtains response information fed back by the user equipment.
本发明实施例提供的一种用户设备, 包括: A user equipment provided by the embodiment of the present invention includes:
应答信息生成单元,用于生成所述用户设备接收到的下行成员载波承载的 数据对应的应答信息; The response information generating unit is configured to generate response information corresponding to the data carried by the downlink component carrier received by the user equipment;
查找单元, 用于查找应答信息映射表,找到与所述下行成员载波承载的数 据对应的应答信息相对应的应答信息信道组和数据符号组,所述应答信息映射 表中的不同的应答信息信道组所包括的应答信息信道不相同; a searching unit, configured to search the response information mapping table, and find a response information channel group and a data symbol group corresponding to the response information corresponding to the data carried by the downlink component carrier, and different response information channels in the response information mapping table The response information channels included in the group are not the same;
映射单元 ,用于将所述数据符号组中的每一个数据符号分别映射到至少一 个应答信息信道; a mapping unit, configured to map each data symbol in the data symbol group to at least one response information channel;
数据符号组发送单元,用于在所述映射到的应答信息信道上将所述数据符 号组中的数据符号发送给所述基站。
本发明实施例提供的一种基站, 包括: And a data symbol group sending unit, configured to send the data symbols in the data symbol group to the base station on the mapped response information channel. A base station provided by an embodiment of the present invention includes:
检测单元, 用于检测出用户设备用于反馈应答信息的应答信息信道组, 所 述应答信息信道组中的每一个应答信息信道都映射有数据符号组中的至少一 个数据符号; a detecting unit, configured to detect a response information channel group used by the user equipment for feedback response information, where each response information channel in the response information channel group is mapped with at least one data symbol in the data symbol group;
解调单元, 用于在检测出的应答信息信道组对应的应答信息信道上,解调 所述应答信息信道承载的数据得到一数据符号组; a demodulation unit, configured to demodulate data carried by the response information channel to obtain a data symbol group on a response information channel corresponding to the detected response information channel group;
查找单元, 用于通过检测出的应答信息信道组和解调得到的数据符号组, 查找应答信息映射表, 得到所述用户设备反馈的应答信息。 The searching unit is configured to search the response information mapping table by using the detected response information channel group and the demodulated data symbol group to obtain response information fed back by the user equipment.
从以上技术方案可以看出, 本发明实施例具有以下优点: As can be seen from the above technical solutions, the embodiments of the present invention have the following advantages:
在本发明实施例中, 用户设备通过查找应答信息映射表,找到与接收到的 下行成员载波承载的数据对应的应答信息相对应的应答信息信道组和数据符 号组, 然后, 用户设备将数据符号组中的每一个数据符号分别映射到至少一个 应答信息信道, 用户设备将数据符号组中的数据符号发送给基站, 由于本发明 实施例中用户设备是通过一个应答信息信道组和一个数据符号组表示一种应 答信息, 当用户设备接收到的下行成员载波为多个载波时, 可以通过应答信息 信道组和数据符号组对应一种应答信息来表示用户设备接收多个下行成员载 波的接收情况, 能够适用于基站为用户设备配置多个下行成员载波的情形。 In the embodiment of the present invention, the user equipment finds the response information channel group and the data symbol group corresponding to the response information corresponding to the data carried by the received downlink component carrier by searching the response information mapping table, and then the user equipment uses the data symbol. Each of the data symbols in the group is mapped to the at least one response information channel, and the user equipment sends the data symbols in the data symbol group to the base station. The user equipment in the embodiment of the present invention passes through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, the response information channel group and the data symbol group corresponding to one type of response information may be used to indicate that the user equipment receives multiple downlink component carriers. It can be applied to the case where the base station configures multiple downlink component carriers for the user equipment.
附图说明 DRAWINGS
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所 需要使用的附图作简单地介绍,显而易见地, 下面描述中的附图仅仅是本发明 的一些实施例,对于本领域的技术人员来讲,还可以根据这些附图获得其他的 附图。 In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those skilled in the art from the drawings.
图 1为本发明实施例提供的一种应答信息的发送方法的示意图; 图 2为本发明实施例提供的一种通过天线对应 ACK信道发送数据符号的
示意图; FIG. 1 is a schematic diagram of a method for transmitting response information according to an embodiment of the present invention; FIG. 2 is a schematic diagram of transmitting data symbols by using an antenna corresponding to an ACK channel according to an embodiment of the present invention; Schematic diagram
图 3为本发明实施例提供的另一种通过天线对应 ACK信道发送数据符号 的示意图; FIG. 3 is a schematic diagram of another method for transmitting data symbols by using an antenna corresponding to an ACK channel according to an embodiment of the present disclosure;
图 4为本发明实施例提供的 PUCCH的资源块的示意图; 4 is a schematic diagram of resource blocks of a PUCCH according to an embodiment of the present invention;
图 5为本发明实施例提供的一种 36种不同的导频的示意图; FIG. 5 is a schematic diagram of 36 different pilots according to an embodiment of the present invention; FIG.
图 6为本发明实施例提供的一种应答信息的接收方法的示意图; FIG. 6 is a schematic diagram of a method for receiving response information according to an embodiment of the present invention;
图 7为本发明实施例提供的一种用户设备的示意图; FIG. 7 is a schematic diagram of a user equipment according to an embodiment of the present disclosure;
图 8为本发明实施例提供的一种基站的示意图。 FIG. 8 is a schematic diagram of a base station according to an embodiment of the present invention.
具体实施方式 detailed description
本发明实施例提供了一种应答信息的发送方法、接收方法和用户设备及基 站, 可以用于当使用多个天线端口时提高资源利用率。 The embodiment of the invention provides a method for sending response information, a receiving method, a user equipment and a base station, which can be used to improve resource utilization when multiple antenna ports are used.
为使得本发明的发明目的、 特征、 优点能够更加的明显和易懂, 下面将结 合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、 完整地描 述,显然,下面所描述的实施例仅仅是本发明一部分实施例,而非全部实施例。 基于本发明中的实施例, 本领域的技术人员所获得的所有其他实施例,都属于 本发明保护的范围。 In order to make the object, the features and the advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention are within the scope of the present invention.
本发明实施例提供的一种应答信息的发送方法, 如图 1所示, 包括: 101、 用户设备生成该用户设备接收到的下行成员载波承载的数据对应的 应答信息。 As shown in FIG. 1, the method for transmitting response information provided by the embodiment of the present invention includes: 101. A user equipment generates response information corresponding to data carried by a downlink component carrier received by the user equipment.
在本发明实施例中, 当用户设备同时接入多个下行成员载波时,基站通过 每个下行成员载波可以在物理下行共享信道(PDSCH , Physical Dedicated Shared Channel )上向用户设备传输数据, 用户设备通过每一个下行成员载波 接收基站发送的数据,并向基站反馈对多个下行成员载波承载的数据的接收情 况。
在本发明实施例中, 用户设备接收下行成员载波之后, 用户设备需要根据 接收情况向基站反馈应答信息,用于表示用户设备对于基站发送的数据的接收 情况。基站为载波聚合场景下的下行成员载波分配应答信息信道(在本发明实 施例中可简称 ACK信道), 用户设备可以通过基站分配的 ACK信道反馈用户 设备对各个下行成员载波承载的数据的应答信息。其中, 下行成员载波是配置 的或者激活的成员载波, 假设为 N个下行成员载波时, 基站为每个下行成员 载波配置 2个 ACK信道, 则共存在 2N个 ACK信道, N为自然数。 In the embodiment of the present invention, when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the physical downlink shared channel (PDSCH) through each downlink component carrier, the user equipment. The data sent by the base station is received by each downlink component carrier, and the data received by the multiple downlink component carriers is fed back to the base station. In the embodiment of the present invention, after the user equipment receives the downlink component carrier, the user equipment needs to feed back the response information to the base station according to the receiving situation, and is used to indicate the receiving condition of the data sent by the user equipment to the base station. The base station allocates a response information channel (referred to as an ACK channel in the embodiment of the present invention) to the downlink component carrier in the carrier aggregation scenario, and the user equipment can feed back the response information of the data carried by the user equipment to each downlink component carrier by using the ACK channel allocated by the base station. . The downlink component carrier is a configured or activated component carrier. When N downlink component carriers are used, the base station configures 2 ACK channels for each downlink component carrier, and there are 2N ACK channels, and N is a natural number.
例如, 当 N取 2时, 有两个下行成员载波, 则基站为每个下行成员载波 分配两个 ACK信道, 共有 4个 ACK信道, 两个下行成员载波中每个下行成 员载波上的数据传输被配置为能最大支持两个码字(codeword )的传输, 每个 码字是独立经过信道编码, 独立进行接收情况校验的, 因此, 可以单独反馈每 个码字对应的应答信息。 For example, when N is 2, there are two downlink component carriers, and the base station allocates two ACK channels for each downlink component carrier, and has 4 ACK channels, and data transmission on each downlink component carrier of the two downlink component carriers. It is configured to support the transmission of two codewords at the maximum. Each codeword is independently channel-coded and independently checked for reception. Therefore, the response information corresponding to each codeword can be separately fed back.
在实际应用中, 用户设备需要反馈的应答信息, 如果是完全反馈, 待反馈 的应答信息具体包括三种: ACK、 NACK、 DTX, 即每个码字都需要反馈 3 种状态, 分别是 ACK, NACK和 DTX, 那么两个下行成员载波的所有码字对 应的应答信息共有 3 X 3 X 3 X 3=81个状态。但是, 所有这些应答信息的重要性 不是一样的,有些应答信息并不需要区分开,待反馈的应答信息也可以包括两 种: ACK:、 NACK/DTX。 因为当这些应答信息产生时, 对于接收端 (基站) 而言所带来的影响是相同的或基本相同的。 比如,基站给用户设备发送了一个 码字, 如果用户设备接收错误, 需要向基站反馈 NACK, 或者用户设备完全没 有接收到该码字, 需要向基站反馈 DTX, 但是对于基站而言都需要重新再传 输一次该码字, 在这种情况下, 应答信息 NACK和应答信息 DTX是可以不区 分的, 直接用 "NACK/DTX" 表示一个状态。 In practical applications, the user equipment needs feedback response information. If it is full feedback, the response information to be fed back specifically includes three types: ACK, NACK, and DTX, that is, each codeword needs to feed back three states, which are ACK. NACK and DTX, then the response information corresponding to all the codewords of the two downlink component carriers has a total of 3 X 3 X 3 X 3=81 states. However, the importance of all these response messages is not the same. Some response messages do not need to be distinguished. The response information to be fed back can also include two types: ACK:, NACK/DTX. Because when these response messages are generated, the impact on the receiving end (base station) is the same or substantially the same. For example, the base station sends a codeword to the user equipment. If the user equipment receives an error and needs to feed back the NACK to the base station, or the user equipment does not receive the codeword at all, the DTX needs to be fed back to the base station, but the base station needs to re-re- The codeword is transmitted once. In this case, the response message NACK and the response message DTX are indistinguishable, and a state is directly indicated by "NACK/DTX".
102、 用户设备查找应答信息映射表, 找到与生成的应答信息相对应的应 答信息信道组和数据符号组, 其中,应答信息映射表中的不同的应答信息信道
组所包括的应答信息信道不相同。 102. The user equipment searches the response information mapping table, and finds a response information channel group and a data symbol group corresponding to the generated response information, where different response information channels in the response information mapping table The response information channels included in the group are not the same.
在本发明实施例中,将待反馈的应答信息通过不同的应答信息信道组和不 同的数据符号组来分别表示, 可以形成一个应答信息映射表,在应答信息映射 表中,应答信息信道组至少包括两个应答信息信道, 不同的应答信息信道组所 包括的应答信息信道不相同,且每个应答信息信道包括两个时隙。假设基站为 用户设备配置了 N个下行成员载波时,基站为每个下行成员载波配置 2个 ACK 信道, 则共存在 2N个 ACK信道, N为自然数, 将 2N个 ACK信道分组共分 成 N组, 每组两个 ACK信道。 以两个下行成员载波为例, 把同一个下行成员 载波对应的两个 ACK信道分到同一组里。 In the embodiment of the present invention, the response information to be fed back is respectively represented by different response information channel groups and different data symbol groups, and a response information mapping table may be formed. In the response information mapping table, the response information channel group is at least The two response information channels are included, and different response information channel groups include different response information channels, and each response information channel includes two time slots. Assuming that the base station configures N downlink component carriers for the user equipment, the base station configures 2 ACK channels for each downlink component carrier, and then there are 2N ACK channels, N is a natural number, and 2N ACK channel packets are grouped into N groups. Two ACK channels per group. Taking two downlink component carriers as an example, two ACK channels corresponding to the same downlink member carrier are grouped into the same group.
其中,在应答信息映射表中,一个应答信息信道组和一个数据符号组唯一 的对应一个待反馈的应答信息, 例如当 N取 2时, 有两个下行成员载波, 其 中一个下行成员载波分配的 ACK信道为 ACK信道 0和 ACK信道 1 , 另一个 下行成员载波分配的 ACK信道为 ACK信道 2和 ACK信道 3 ,将 ACK信道 0 和 ACK信道 1、 ACK信道 2和 ACK信道 3分成两组,分别为 ACK信道组( 0, 1 )和 ACK信道组(2, 3 ), 一个 ACK信道组和一个数据符号组用于表示一 种待反馈的应答信息,如下表 1所示给出了一种待反馈的应答信息的应答信息 映射表,当然在实际应用中还可以根据该应答信息映射表衍生出多种待反馈的 应答信息与应答信息信道组和数据符号组之间的映射表,此处仅是举例说明而 已不作限定。 In the response information mapping table, a response information channel group and a data symbol group uniquely correspond to one response information to be fed back. For example, when N is 2, there are two downlink component carriers, and one downlink component carrier is allocated. The ACK channel is ACK channel 0 and ACK channel 1, and the ACK channel allocated by the other downlink component carrier is ACK channel 2 and ACK channel 3. The ACK channel 0 and the ACK channel 1, the ACK channel 2 and the ACK channel 3 are divided into two groups, respectively For the ACK channel group (0, 1) and the ACK channel group (2, 3), an ACK channel group and a data symbol group are used to indicate a response message to be fed back, as shown in Table 1 below. a response information mapping table of the feedback response information. Of course, in the actual application, a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived according to the response information mapping table. It is an example and is not limited.
表 1为待反馈的应答信息的应答信息映射表 Table 1 is the response information mapping table of the response information to be fed back.
待反馈的应答信息 Response information to be fed back
HARQ-ACK( HARQ-ACK HARQ-ACK(2 HARQ-ACK ACK 信道 数据符号 0) (1) ) (3) 组 组 HARQ-ACK ( HARQ-ACK HARQ-ACK (2 HARQ-ACK ACK channel data symbol 0) (1)) (3) Group
(a0, al)_l (a0, al)_l
ACK ACK ACK ACK ( 0, 1 ) ACK ACK ACK ACK ( 0, 1 )
(b0, bl)_l (b0, bl)_l
ACK NACK/DTX ACK ACK ( 2, 3 )
(a0, al)_2ACK NACK/DTX ACK ACK ( 2, 3 ) (a0, al)_2
NACK/DTX ACK ACK ACK (0, 1) NACK/DTX ACK ACK ACK (0, 1)
(b0, bl)_2 (b0, bl)_2
NACK/DTX NACK/DTX ACK ACK (2, 3) NACK/DTX NACK/DTX ACK ACK (2, 3)
(a0, al)_3 (a0, al)_3
ACK ACK ACK NACK/DTX (0, 1) ACK ACK ACK NACK/DTX (0, 1)
(b0, bl)_3 (b0, bl)_3
ACK NACK/DTX ACK NACK/DTX (2, 3) ACK NACK/DTX ACK NACK/DTX (2, 3)
(a0, al)_4 (a0, al)_4
NACK/DTX ACK ACK NACK/DTX (0, 1) NACK/DTX ACK ACK NACK/DTX (0, 1)
(b0, bl)_4 (b0, bl)_4
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3)
(b0, bl)_5 (b0, bl)_5
ACK ACK NACK/DTX ACK (2, 3) ACK ACK NACK/DTX ACK (2, 3)
(b0, bl)_6 (b0, bl)_6
ACK NACK/DTX NACK/DTX ACK (2, 3) ACK NACK/DTX NACK/DTX ACK (2, 3)
(b0, bl)_7 (b0, bl)_7
NACK/DTX ACK NACK/DTX ACK (2, 3) NACK/DTX ACK NACK/DTX ACK (2, 3)
(b0, bl)_8 (b0, bl)_8
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3)
(a0, al)_5 (a0, al)_5
ACK ACK NACK/DTX NACK/DTX (0, 1) ACK ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_6 (a0, al)_6
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
(a0, al)_7 (a0, al)_7
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_8 (a0, al)_8
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_8 (a0, al)_8
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) NACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
DTX DTX NACK/DTX NACK/DTX No Transmission DTX DTX NACK/DTX NACK/DTX No Transmission
需要说明的是, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字 对应的接收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码 字对应的接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个 码字对应的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二 个码字对应的接收应答信息。 ACK表示用户设备对码字接收正确, NACK表
示用户设备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX 表示用户设备对码字接收错误或没有接收到码字; (0, 1 )表示一个应答信息 信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息 信道 1分别是基站为第一个下行成员载波分配的两个应答信息信道, (2, 3 ) 表示另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3 , 应答信 息信道 2和应答信息信道 3分别是基站为第二个下行成员载波分配的两个应答 信息信道; (a0, al)— i表示数据符号组, i=l , 2, 8, 当 i取不同的值时表 示不同的数据符号组, (b0, bl)J表示数据符号组, j=l , 2, 8, 当 j取不 同的值时表示不同的数据符号组。在表 1中, 若用户设备生成的应答信息为表 1 中最后一行的状态, 那么用户设备将什么都不发送, 用 "No transmission" 表示不发送任何数据。 It should be noted that HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and HARQ-ACK (1) represents the second code on the first downlink component carrier. Receive response information corresponding to the word, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second on the second downlink component carrier. Receive response information corresponding to each codeword. ACK indicates that the user equipment receives the correct codeword, NACK table The user equipment indicates that the codeword is incorrectly received, DTX indicates that the user equipment does not receive the codeword, NACK/DTX indicates that the user equipment receives the codeword error or does not receive the codeword; (0, 1) indicates a response information channel group, including The response information channel 0 and the response information channel 1, the response information channel 0 and the response information channel 1 are respectively two response information channels allocated by the base station for the first downlink component carrier, and (2, 3) represents another response information channel group. The response information channel 2 and the response information channel 3 are included, and the response information channel 2 and the response information channel 3 are respectively two response information channels allocated by the base station for the second downlink component carrier; (a0, al) - i represents a data symbol group, i=l , 2, 8, when i takes different values, it means different data symbol groups, (b0, bl)J represents the data symbol group, j=l, 2, 8, when j takes different values, it means different Group of data symbols. In Table 1, if the response information generated by the user equipment is the state of the last row in Table 1, the user equipment will not send anything, and "No transmission" means that no data is sent.
接下来对表 1中的数据符号组进行如下说明: 例如,表 1中的两个数据符 号 a0和 al,在实际应用中,两个数据符号可以通过相同的八相相移键控( 8PSK, 8 Phase Shift Keying ) 的星座点表示。 或, 两个数据符号中的一个通过四相相 移键控(QPSK, Quadrature Phase Shift Keying )的星座点表示, 两个数据符号 中的另一个通过双相移相键控 ( BPSK, Binary Phase Shift Keying ) 的星座点 表示。 或, 两个数据符号分别通过 QPSK的四个星座点中的三个表示。 或, 两 个数据符号分别通过三相相移键控 ( 3PSK, 3 Phase Shift Keying )的星座点表 示。 接下来进行详细举例说明, 例如, 表 1中的数据符号组 (a0, al)_i, i=l , 2, ... , 8, 中一个数据符号 (例如 a0 )有 4个不同的取值, 数据符号组 (a0, al)— i中另一个数据符号 (例如 al )有 2个不同的取值。 比如, 4个不同的取 值为 QPSK对应的四个星座点, 2个不同的取值为 BPSK对应的两个星座点。 Next, the data symbol group in Table 1 is explained as follows: For example, two data symbols a0 and al in Table 1, in practical applications, two data symbols can pass the same eight-phase phase shift keying (8PSK, 8 Phase Shift Keying) The constellation point representation. Or, one of the two data symbols is represented by a constellation point of Quadrature Phase Shift Keying (QPSK), and the other of the two data symbols is subjected to biphasic phase shift keying (BPSK, Binary Phase Shift) Keying) is indicated by the constellation point. Or, two data symbols are respectively represented by three of the four constellation points of QPSK. Or, the two data symbols are respectively represented by constellation points of 3 Phase Shift Keying (3PSK, 3 Phase Shift Keying). Next, a detailed example is given. For example, one of the data symbol groups (a0, al)_i, i=l, 2, ..., 8, in Table 1 has four different values. , Data symbol group (a0, al) - Another data symbol (such as al) in i has 2 different values. For example, four different values are the four constellation points corresponding to QPSK, and two different values are the two constellation points corresponding to BPSK.
每一组数据符号组 (a0, al)— i中, a0的取值为数据符号 Qm中的其中一个, al的取值为 Qm中的其中一个, m=0, 1 , 2, 3 , Qm的取值如下表所示, QPSK 的四个星座点取值以及与比特组的对应关系为如下表 2所示:
表 2为数据符号 QPSK调制符号与比特取值的关系表 In each set of data symbols (a0, al)-i, the value of a0 is one of the data symbols Qm, and the value of al is one of Qm, m=0, 1 , 2, 3 , Qm The values are as shown in the following table. The values of the four constellation points of QPSK and the correspondence with the bit groups are as shown in Table 2 below: Table 2 is the relationship between data symbols QPSK modulation symbols and bit values.
当 i取不同的值时, 数据符号组 (aO, al)— i中的 aO分别的取值不同, 或者 al分别的取值不同, 或者 aO和 al的取值分别都不同。 When i takes different values, the values of aO in the data symbol group (aO, al)-i are different, or the values of al are different, or the values of aO and al are different.
每一组数据符号组 (aO, al)— i中, aO的取值为 Qm中的其中一个, al的取 值为 Qm中的其中一个, m=0, 1 , 2, 3 , Qm的取值如下表所示, QPSK的四 个星座点取值以及与比特组的对应关系也可以为下表 3所示: In each set of data symbols (aO, al)-i, the value of aO is one of Qm, and the value of al is one of Qm, m=0, 1 , 2, 3 , Qm The values are shown in the following table. The values of the four constellation points of QPSK and the correspondence with the bit groups can also be as shown in Table 3 below:
表 3为数据符号 QPSK调制符号与比特取值的关系表 Table 3 is the relationship between data symbols QPSK modulation symbols and bit values.
当 i取不同的值时, 数据符号组 (aO, al)— i中的 aO分别的取值不同, 或者 al分别的取值不同, 或者 aO和 al的取值分别都不同。
BPSK的两个星座点取值以及与比特组的对应关系有如表 4所示: When i takes different values, the values of aO in the data symbol group (aO, al)-i are different, or the values of al are different, or the values of aO and al are different. The values of the two constellation points of BPSK and the correspondence with the bit groups are shown in Table 4:
表 4为数据符号 BPSK调制符号与比特取值的关系表 Table 4 shows the relationship between BPSK modulation symbols and bit values of data symbols.
表 1中的数据符号组 (a0, al)_i中的 a0和 al分别可以有 3个不同的取值, 比如, 3个不同的取值为 QPSK星座点的其中 3个, a0和 al取出来的 3个星 座点可以不完全相同。 比如, a0取 {1, -1, j}, al 取 {j, -j, 1}; 又例如, 3 个不同的取值为 3PSK对应的 3个星座点 {C,Cexp{j 27T/3},Cexp{j 47T/3}}, 其中 C为任意复数, C可以取 1, exp{}表示以 e为底的指数函数, 如下表 5 所示: The a0 and al in the data symbol group (a0, al)_i in Table 1 can have three different values respectively. For example, three different values are three of the QPSK constellation points, and a0 and al are taken out. The three constellation points may not be identical. For example, a0 takes {1, -1, j}, al takes {j, -j, 1}; for example, 3 different values are 3 constellations corresponding to 3PSK {C, Cexp{j 27T/3 }, Cexp{j 47T/3}}, where C is any complex number, C can take 1, and exp{} denotes an exponential function with e as the bottom, as shown in Table 5 below:
当 i取不同的值时, 数据符号组 (a0, al)— i中的 a0分别的取值不同, 或者 al分别的取值不同, 或者 a0和 al的取值分别都不同。 When i takes different values, the values of a0 in the data symbol group (a0, al)-i are different, or the values of al are different, or the values of a0 and al are different.
需要说明的是, 表 1 中的 (b0, bl) J, j=l, 2, ..., 8, 其中的 bO和 bl 也可以按照上述 a0和 al的取值方法中的一种方法进行取值, 但 a0和 al的取 值方法与 b0和 bl的取值方法可以相同, 也可以不相同, 此处仅作说明。 It should be noted that (b0, bl) J, j=l, 2, ..., 8, in Table 1, where bO and bl can also be performed according to one of the above methods of a0 and al. Value, but the value of a0 and al can be the same as or different from b0 and bl. It is only described here.
根据上述数据符号组的取值情况, 对于两个下行成员载波, 例如当 N取 2 时, 将 ACK信道 0和 ACK信道 1、 ACK信道 2和 ACK信道 3分成两组, 分
别为 ACK信道组 (0, 1)和 ACK信道组(2, 3)。 数据符号分组分别为 (aO, al)— i和 (bO, bl) J, 分别对该数据符号组按照上述方法取比特值, 得到如表 6 所示的待反馈的应答信息的应答信息映射表。 According to the value of the data symbol group, for two downlink component carriers, for example, when N is 2, ACK channel 0 and ACK channel 1, ACK channel 2, and ACK channel 3 are divided into two groups, Don't be an ACK channel group (0, 1) and an ACK channel group (2, 3). The data symbol group is (aO, al)-i and (bO, bl) J, respectively, and the bit values are respectively taken according to the above method for the data symbol group, and the response information mapping table of the response information to be fed back as shown in Table 6 is obtained. .
表 6为待反馈的应答信息的应答信息映射表 Table 6 is the response information mapping table of the response information to be fed back.
待反馈的应答信息 数据符号组Response information to be fed back Data symbol group
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK ACK信 对应的比特 (0) (1) (2) (3) 道组 组 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK ACK Letter Corresponding Bits (0) (1) (2) (3) Track Group
ACK ACK ACK ACK (0, 1) ([1, 1】, [1】) ACK ACK ACK ACK (0, 1) ([1, 1], [1])
ACK NACK/DTX ACK ACK (2, 3) ([0, 1】, [1】) ACK NACK/DTX ACK ACK (2, 3) ([0, 1], [1])
NACK/DTX ACK ACK ACK (0, 1) ([0, 1】, [1]) NACK/DTX ACK ACK ACK (0, 1) ([0, 1], [1])
NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1】, [1]) NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1], [1])
ACK ACK ACK NACK/DTX (0, 1) ([1, 0], [1】) ACK ACK ACK NACK/DTX (0, 1) ([1, 0], [1])
ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0】, [1】) ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0], [1])
NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0】, [1】) NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0], [1])
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1】) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1])
ACK ACK NACK/DTX ACK (2, 3) ([1, 1】, [0]) ACK ACK NACK/DTX ACK (2, 3) ([1, 1], [0])
ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0】, [0] ) ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0], [0] )
NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1】, [0] ) NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1], [0] )
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0】, [0】) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0], [0])
ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1】, [0] ) ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1], [0] )
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0】, [0】)
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1】, [0] )ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0], [0]) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1], [0] )
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0】, [0] )NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0], [0] )
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([0, 0】, [0] )NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([0, 0], [0] )
DTX DTX NACK/DTX NACK/DTX No Transmission DTX DTX NACK/DTX NACK/DTX No Transmission
需要说明的是,表 6在具体应用时, 可以将表 6 的比特组对应到数据符 号组即可。 例如, 比特组([1, 1], [1] )括号里前一个具有两个比特的比特 [1, 1]对应到数据符号如表 2中的一个 . QPSK调制符号, 比特组([1, 1], [1])括号里后一个比特的比 =~^~ 特 [1]对应到数据符号如表 4 中 =一1的一个 BPSK调制符号。 当然在实际应用中还可以根据该表 2或表 3 或表 4的映射关系表衍生出多种待反馈的应答信息的应答信息映射表,此处仅 是举例说明而已不作限定。 It should be noted that, in the specific application, the bit group of Table 6 may be corresponding to the data symbol group. For example, the bit [1, 1] of the previous bit with two bits in the parentheses of the bit group ([1, 1], [1]) corresponds to one of the data symbols as shown in Table 2. QPSK Modulation Symbol, Bit Group ([1 , 1], [1]) ratio after a bit brackets Laid ~ = ~ ^ [1] corresponding to the data symbol in table 4 a 1 = a BPSK modulation symbols. Of course, in the actual application, the response information mapping table of the response information to be fed back may be derived according to the mapping relationship table of the table 2 or the table 3 or the table 4, which is not limited herein.
103、 用户设备将数据符号组中的每一个数据符号分别映射到至少一个应 答信息信道。 103. The user equipment maps each data symbol in the data symbol group to at least one response information channel.
在本发明实施例中,用户设备将需要反馈的应答信息相对应的应答信息信 道组中的每一个应答信息信道分别映射到不同的天线端口。用户设备将需要反 馈的应答信息相对应的应答信息信道组中的每一个应答信息信道分别映射到 不同的天线端口,以便于用户设备对应天线端口在向基站发送需要反馈的应答 信息相对应的数据符号组。 In the embodiment of the present invention, the user equipment maps each response information channel in the response information channel group corresponding to the response information that needs to be fed back to different antenna ports. The user equipment maps each response information channel in the response information channel group corresponding to the response information that needs to be fed back to different antenna ports, so that the user equipment corresponding antenna port transmits data corresponding to the response information that needs feedback to the base station. Symbol group.
例如, 当存在有两个下行成员载波时,基站为每个下行成员载波分配两个 For example, when there are two downlink component carriers, the base station allocates two for each downlink component carrier.
ACK信道, 共有 4个 ACK信道, 例如表 6所示, ACK信道组 ( ACK信道 (0, 1 )) 内的两个 ACK信道( ACK信道 0和 ACK信道 1 )分别映射到天线 端口 0和天线端口 1, 在本发明实施例中将应答信息信道映射到天线端口的含 义为,将应答信息信道和天线端口之间建立——对应的关系, 当需要通过该天 线端口发送数据符号时就必须对应该天线端口映射的应答信息信道实现, 例
如, 将 ACK信道 0映射到天线端口 0, 其含义为, 需要通过天线端口 0发送 数据符号时就对应 ACK信道 0来实现发送。 ACK channel, there are 4 ACK channels. For example, as shown in Table 6, two ACK channels (ACK channel 0 and ACK channel 1) in the ACK channel group (ACK channel (0, 1)) are mapped to antenna port 0 and antenna, respectively. Port 1, in the embodiment of the present invention, mapping the response information channel to the antenna port means that a corresponding relationship is established between the response information channel and the antenna port, and when the data symbol needs to be transmitted through the antenna port, it must be The response information channel of the antenna port mapping should be implemented, for example For example, mapping ACK channel 0 to antenna port 0 means that transmission is performed corresponding to ACK channel 0 when data symbols need to be transmitted through antenna port 0.
在本发明实施例中, 数据符号的发送需要对应 ACK信道才能实现, 用户 设备将需要反馈的应答信息对应的数据符号组中的每一个数据符号映射到至 少一个应答信息信道。 In the embodiment of the present invention, the data symbol needs to be transmitted corresponding to the ACK channel, and the user equipment maps each data symbol in the data symbol group corresponding to the feedback information that needs to be fed back to at least one response information channel.
在实际应用中,将数据符号组中的每一个数据符号分别映射到至少一个应 答信息信道具体可以为:用户设备将数据符号组中的每一个数据符号分别映射 到一个应答信息信道, 即每一个数据符号都唯一的映射到一个应答信息信道 中。或, 用户设备将所述数据符号组中的每一个数据符号都映射到两个应答信 息信道。例如,表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个 信道中的应答信息(ACK, ACK, ACK, ACK ), 那么用户设备需要反馈的应 答信息对应的数据符号组为比特组([1 , 1] , [ 1] ) , 一种可实现的方式是, 用 户设备将比特组([1 , 1] , [ 1] ) 中的数据符号 [1 , 1]映射到一个应答信息信道 中的一个时隙或两个时隙, 将比特组([1 , 1] , [1] ) 中的数据符号 [1]映射到 另一个应答信息信道中的一个时隙或两个时隙。 In an actual application, mapping each data symbol in the data symbol group to the at least one response information channel may be: the user equipment maps each data symbol in the data symbol group to a response information channel, that is, each Data symbols are uniquely mapped into a response information channel. Or, the user equipment maps each of the data symbol groups to two acknowledgment information channels. For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. The group is a bit group ([1, 1], [1]). One way to achieve this is that the user equipment maps the data symbols [1, 1] in the bit group ([1, 1], [1]) Mapping a data symbol [1] in a bit group ([1, 1], [1]) to a time slot in another response information channel to a time slot or two time slots in an acknowledgement information channel or Two time slots.
在实际应用中, 当数据符号组包括两个数据符号时, 用户设备将数据符号 组中的每一个数据符号分别映射到至少一个应答信息信道具体可以为:用户设 备将数据符号组中的一个数据符号映射到两个应答信息信道;用户设备将数据 符号组中的另一个数据符号映射到一个应答信息信道。 In an actual application, when the data symbol group includes two data symbols, the user equipment respectively maps each data symbol in the data symbol group to the at least one response information channel, which may be: the user equipment uses one data in the data symbol group. The symbol is mapped to two response information channels; the user equipment maps another data symbol in the data symbol group to a response information channel.
当数据符号组包括两个数据符号时,用户设备将数据符号组中的一个数据 符号映射到两个应答信息信道具体可以包括:用户设备将数据符号组中的一个 数据符号映射到第一应答信息信道的第一时隙和第二应答信息信道的第二时 隙; 或, 用户设备将数据符号组中的一个数据符号映射到第一应答信息信道的 第一时隙、 第一应答信息信道的第三时隙、 第二应答信息信道的第二时隙。 用 户设备将数据符号组中的另一个数据符号映射到一个应答信息信道具体可以
包括:用户设备将数据符号组中的另一个数据符号映射到第二应答信息信道的 第四时隙。 When the data symbol group includes two data symbols, the user equipment mapping one data symbol in the data symbol group to the two response information channels may include: the user equipment mapping one data symbol in the data symbol group to the first response information. a first time slot of the channel and a second time slot of the second response information channel; or, the user equipment maps one data symbol in the data symbol group to the first time slot of the first response information channel, the first response information channel The third time slot, the second time slot of the second response information channel. The user equipment maps another data symbol in the data symbol group to a response information channel. The method includes: the user equipment mapping another data symbol in the data symbol group to a fourth time slot of the second response information channel.
例如,表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个信道 中的应答信息(ACK, ACK, ACK, ACK), 那么用户设备需要反馈的应答信 息对应的数据符号组为比特组([1, 1], [1]) , 用户设备将([1, 1], [1]) 中 的数据符号 [1, 1]映射到两个应答信息信道中其中一个应答信息信道的一个时 隙和另一个应答信息信道的一个时隙, 将比特组([1, 1], [1]) 中的数据符号 [1]映射到两个应答信息信道中另一个应答信息信道的另一个时隙。 或, 用户 设备将([1, 1], [1]) 中的数据符号 [1, 1]映射到两个应答信息信道中其中一 种应答信息信道的两个时隙和另一个应答信息信道中的一个时隙, 将比特组 ([1, 1], [1]) 中的数据符号 [1]映射到另一个应答信息信道的另一个时隙。 此处映射的方式存在多种, 此处不作限定。 For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. The group is a bit group ([1, 1], [1]), and the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to one of the two response information channels. One time slot of the information channel and one time slot of the other response information channel, mapping the data symbol [1] in the bit group ([1, 1], [1]) to another response information in the two response information channels Another time slot of the channel. Or, the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to two time slots of one of the two response information channels and another response information channel One of the time slots maps the data symbol [1] in the bit group ([1, 1], [1]) to another time slot of the other response information channel. There are many ways to map here, which is not limited here.
在实际应用中,用户设备将数据符号组中的每一个数据符号分别映射到至 少一个应答信息信道具体可以为:用户设备将数据符号组中的每一个数据符号 都映射到两个应答信息信道。 In an actual application, the user equipment mapping each data symbol in the data symbol group to at least one response information channel may be: the user equipment maps each data symbol in the data symbol group to two response information channels.
当数据符号组包括两个数据符号时,用户设备将数据符号组中的每一个数 据符号都映射到两个应答信息信道包括: When the data symbol group includes two data symbols, the user equipment maps each data symbol in the data symbol group to two response information channels including:
用户设备将数据符号组中的一个数据符号映射到第一应答信息信道的第 一时隙和第二应答信息信道的第二时隙。用户设备将数据符号组中的另一个数 据符号映射到第一应答信息信道的第三时隙和第二应答信息信道的第四时隙。 The user equipment maps one of the data symbols in the data symbol group to the first time slot of the first response information channel and the second time slot of the second response information channel. The user equipment maps another data symbol in the data symbol group to a third time slot of the first response information channel and a fourth time slot of the second response information channel.
例如,表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个信道 中的应答信息(ACK, ACK, ACK, ACK), 那么用户设备需要反馈的应答信 息对应的数据符号组为比特组([1, 1], [1]) , 用户设备将([1, 1], [1]) 中 的数据符号 [1, 1]映射到两个应答信息信道中其中一个应答信息信道的一个时 隙和另一个应答信息信道的一个时隙, 将比特组([1, 1], [1]) 中的数据符号
[1]映射到两个应答信息信道中一个应答信息信道的另一个时隙和另一个应答 信息信道的另一个时隙。 For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. The group is a bit group ([1, 1], [1]), and the user equipment maps the data symbol [1, 1] in ([1, 1], [1]) to one of the two response information channels. One time slot of the information channel and one time slot of the other response information channel, the data symbols in the bit group ([1, 1], [1]) [1] is mapped to another time slot of one of the two response information channels and another time slot of the other of the response information channels.
接下来介绍数据符号通过天线占用的 ACK信道发送数据的方法。 例如, ACK信道组的两个 ACK信道 ( ACK信道 0和 ACK信道 1 )分别映射到天线 1和天线 2上, ^^设应答信息对应的一组数据符号为 a0和 al (或者 b0和 bl ) , 对应的 ACK信道组为 ACK信道 0和 ACK信道 1 (或者 , ACK信道 2和 ACK 信道 3 ) , 那么数据符号 a0可以映射到 ACK信道 0的两个时隙上发送, 数据 符号 al可以映射到 ACK信道 1的两个时隙上发送, 如图 2所示。 或者, a0 映射到 ACK信道 0的其中一个时隙和 ACK信道 1的其中一个时隙发送, 数 据符号 al映射到 ACK信道 0的其中另一个时隙和 ACK信道 1的其中另一个 时隙发送, 如图 3所示。 Next, a method of transmitting data by the data symbol through the ACK channel occupied by the antenna will be described. For example, two ACK channels (ACK channel 0 and ACK channel 1) of the ACK channel group are mapped to antenna 1 and antenna 2, respectively, and a set of data symbols corresponding to the response information are a0 and al (or b0 and bl). The corresponding ACK channel group is ACK channel 0 and ACK channel 1 (or ACK channel 2 and ACK channel 3), then data symbol a0 can be mapped to two time slots of ACK channel 0, and data symbol al can be mapped to The two slots of ACK channel 1 are transmitted as shown in FIG. 2. Or, a0 is mapped to one of the ACK channel 0 and one of the ACK channel 1 is transmitted, and the data symbol a1 is mapped to the other of the ACK channel 0 and the other of the ACK channel 1 is transmitted. As shown in Figure 3.
本发明实施例中,应答信息信道组中的每一个应答信息信道在物理上行控 制信道的两个资源块中传输, PUCCH包含多个资源块( resource block ) , 每 个资源块在频域上对应 12 个连续的子载波, 在时域上对应 6 或 7 个符号 ( symbol )„ 一个资源块在时域上对应的符号数与循环前缀的长度有关, 在正 常循环前缀下, 对应 7个符号, 在扩展循环前缀下, 将对应 6个符号。 接下来 都以一个资源块对应 7个符号为例进行说明。 一个 ACK信道将在 PUCCH的 两个资源块中传输, 其中这两个资源块位于不同的时隙, 图 4为本发明实施例 的 PUCCH的资源块的示意图, 图 4中, 在 ACK信道一个资源块中, 中间的 3个符号用来传输解调导频, 剩余的 4个符号用来传输数据符号, 比如用来传 输如上面所说的 a0, al , b0, bl。 In the embodiment of the present invention, each response information channel in the response information channel group is transmitted in two resource blocks of the physical uplink control channel, and the PUCCH includes multiple resource blocks, and each resource block corresponds to the frequency domain. 12 consecutive subcarriers, corresponding to 6 or 7 symbols in the time domain ( symbol ) „ The number of symbols corresponding to a resource block in the time domain is related to the length of the cyclic prefix. Under the normal cyclic prefix, corresponding to 7 symbols, Under the extended cyclic prefix, it will correspond to 6 symbols. The following is an example of a resource block corresponding to 7 symbols. An ACK channel will be transmitted in two resource blocks of the PUCCH, where the two resource blocks are located differently. FIG. 4 is a schematic diagram of resource blocks of a PUCCH according to an embodiment of the present invention. In FIG. 4, in a resource block of an ACK channel, three symbols in the middle are used to transmit demodulation pilots, and the remaining four symbols are used. To transmit data symbols, such as to transmit a0, al, b0, bl as described above.
在 PUCCH的一个资源块中, 不同 ACK信道通过码分复用在一起, 其中 ACK信道的码是相互正交的, 用来区分不同的 ACK信道。 ACK信道中的每 个时隙中将要传输的数据符号进行扩频后映射在图 4所示的资源块上。扩频所 采用的序列为一个二维的正交扩频码, 在频域上的扩频码是一个长度为 12的
序列,共有 12个不同的序列; 在时域上的扩频码是一个长度为 4的正交序列, 共有 3个不同的序列。 频域上的 12个序列是通过一个基序列进行相位旋转得 到, 即, r a(w) = ^ /i2r(w), " = 0,1,· · ·,11;" = 0,1,· · ·,11。其中, 是 长度为 12的基序列, r" 是基序列经过相位旋转后得到的序列。 时域上是 3个长度为 4的正交序列, 如表 7所示。 In one resource block of the PUCCH, different ACK channels are code-multiplexed together, wherein the codes of the ACK channels are mutually orthogonal to distinguish different ACK channels. The data symbols to be transmitted in each slot in the ACK channel are spread and mapped onto the resource block shown in FIG. The sequence used for spreading is a two-dimensional orthogonal spreading code, and the spreading code in the frequency domain is a length of 12. The sequence has a total of 12 different sequences; the spreading code in the time domain is an orthogonal sequence of length 4 with a total of 3 different sequences. The 12 sequences in the frequency domain are obtained by phase rotation of a base sequence, ie, r a (w) = ^ /i2 r (w), " = 0,1,·· · ·,11;" = 0,1 , · · ·, 11. Wherein, it is a base sequence of length 12, and r" is a sequence obtained by phase rotation of the base sequence. In the time domain, there are three orthogonal sequences of length 4, as shown in Table 7.
表 7为 3个长度为 4的正交序列表 Table 7 shows three orthogonal sequence tables of length 4
请参阅图 5 , 为本发明实施例的 ACK信道的发送结构示意图, ACK信道 上一个时隙上传输的数据符号 m (例如, m为 a0, al , b0, bl等)经过时频 域序列二维扩频后映射到资源块中的 4 M于数据传输的符号中,其中所用的 频域序列是 r"(«) , 时域所用的序列是 , 在图 5中最多有 36个导频选择, 故可以最多支持 36个不同的 ACK信道。 5 is a schematic diagram of a transmission structure of an ACK channel according to an embodiment of the present invention. A data symbol m (for example, m is a0, al, b0, bl, etc.) transmitted on a time slot on an ACK channel passes through a time-frequency domain sequence. Dimensional spreading is mapped to 4 M in the resource block in the symbol of the data transmission, wherein the frequency domain sequence used is r"(«), the sequence used in the time domain is, and there are up to 36 pilot selections in FIG. Therefore, it can support up to 36 different ACK channels.
如图 5, —个资源块在频域上有 12个序列, 时域上有 3个序列, 总共有 36个序列组合, 即 36个二维扩频序列。 在同一个资源块中的不同 ACK信道 将采用 36个二维扩频序列中的不同序列。 请参阅表 8, 这 36个二维扩频序列 可以进行下列的编号 K:。 As shown in Fig. 5, a resource block has 12 sequences in the frequency domain and 3 sequences in the time domain, and a total of 36 sequence combinations, that is, 36 two-dimensional spreading sequences. Different ACK channels in the same resource block will employ different sequences of the 36 two-dimensional spreading sequences. Please refer to Table 8. These 36 two-dimensional spread spectrum sequences can be numbered K:.
表 8为 36个二维扩频序列的编号 K的表 Table 8 shows the number K of 36 two-dimensional spreading sequences.
1 K=l Κ=13 Κ=25 1 K=l Κ=13 Κ=25
2 Κ=2 Κ=14 Κ=26 2 Κ=2 Κ=14 Κ=26
3 Κ=3 Κ=15 Κ=27 3 Κ=3 Κ=15 Κ=27
4 Κ=4 Κ=16 Κ=28 4 Κ=4 Κ=16 Κ=28
5 Κ=5 Κ=17 Κ=29 5 Κ=5 Κ=17 Κ=29
6 Κ=6 Κ=18 Κ=30 6 Κ=6 Κ=18 Κ=30
7 Κ=7 Κ=19 Κ=31 7 Κ=7 Κ=19 Κ=31
8 Κ=8 Κ=20 Κ=32 8 Κ=8 Κ=20 Κ=32
9 Κ=9 Κ=21 Κ=33 9 Κ=9 Κ=21 Κ=33
10 Κ=10 Κ=22 Κ=34 10 Κ=10 Κ=22 Κ=34
11 Κ=11 Κ=23 Κ=35 11 Κ=11 Κ=23 Κ=35
需要说明的是, 在特定的信道条件下, 例如对于频率选择性强的信道, 在 频域上只能使用 12个序列中的 6个序列, 两个频域序列之间间隔一个序列, 这样就可以产生 18个二维扩频序列, 参见表 9, 这 18个序列可以进行如下的 编号 Κ:。 It should be noted that, under certain channel conditions, for example, for a channel with strong frequency selectivity, only six of the 12 sequences can be used in the frequency domain, and one sequence is separated between the two frequency domain sequences, so that 18 two-dimensional spreading sequences can be generated. See Table 9. These 18 sequences can be numbered as follows:
表 9为 18个二维扩频序列的编号 Κ的表 戈序列标号 Table 9 shows the numbering of 18 two-dimensional spreading sequences.
频域序列标 0 1 2 Frequency domain sequence mark 0 1 2
0 κ=ο Κ=12 0 κ=ο Κ=12
1 Κ=6 1 Κ=6
2 K=l Κ=13
3 Κ=7 2 K=l Κ=13 3 Κ=7
4 K=2 Κ=14 4 K=2 Κ=14
5 Κ=8 5 Κ=8
6 K=3 Κ=15 6 K=3 Κ=15
7 Κ=9 7 Κ=9
8 Κ=4 Κ=16 8 Κ=4 Κ=16
9 Κ=10 9 Κ=10
10 Κ=5 Κ=17 10 Κ=5 Κ=17
11 Κ=11 11 Κ=11
104、 用户设备在映射到的应答信息信道上将数据符号组中的数据符号发 送给基站。 104. The user equipment sends the data symbols in the data symbol group to the base station on the mapped response information channel.
在本发明实施例中,用户设备将数据符号组中的每一个数据符号分别映射 到至少一个应答信息信道之后,用户设备将数据符号组中的数据符号发送给基 站。 In the embodiment of the present invention, after the user equipment maps each data symbol in the data symbol group to the at least one response information channel, the user equipment sends the data symbols in the data symbol group to the base station.
例如,假设用户设备中存储的应答信息映射表如表 6所示, 当用户设备接 收数据情况为两个成员载波的每个码字都接收到了,则用户设备需要向基站反 馈的应答信息为 HARQ-ACK(O) ACK, HARQ-ACK(l) ACK, HARQ-ACK(2) ACK, HARQ-ACK(3) ACK, 对应到表 6中, 用户设备向基站发送上行数据需 要使用的信道为 ACK信道 0和 ACK信道 1 ,发送的数据符号组为表 6中第一 行的比特组( [1 , 1] , [1] )对应的 QPSK数据符号 和 BPSK符号 基站可以通过用户设备对应 ACK信道和发送 Ϊ 的数据符号 获取到用户反馈的应答信息, 例如, 基站提供过能量检测方法检测到 ACK信
道 0和 ACK信道 1上用户设备发送有数据符号, 则基站可以获取到用户设备 使用的 ACK应答信道组为 ACK信道组 ( 0, 1 ), 基站通过对 ACK信道组上 的数据符号进行解调, 可以得到用户设备发送的比特组为 ([1 , 1], [1] ) , 然 后, 基站通过查找表 6, 基站就可以得到用户设备需要向基站反馈的应答信息 为 HARQ-ACK(O) ACK , HARQ-ACK(l) ACK , HARQ-ACK(2) ACK , HARQ-ACK(3) ACK, 基站据此判断, 用户设备接收数据情况为两个成员载波 的每个码字被用户数据正确接收到了。 For example, if the response information mapping table stored in the user equipment is as shown in Table 6, when the user equipment receives data and each codeword of the two component carriers is received, the response information that the user equipment needs to feed back to the base station is HARQ. -ACK(O) ACK, HARQ-ACK(1) ACK, HARQ-ACK(2) ACK, HARQ-ACK(3) ACK, corresponding to Table 6, the channel that the user equipment needs to use to send uplink data to the base station is ACK Channel 0 and ACK channel 1, the transmitted data symbol group is the QPSK data symbol corresponding to the bit group ([1, 1], [1]) in the first row in Table 6, and the BPSK symbol base station can correspond to the ACK channel through the user equipment. Sending the data symbol of Ϊ to obtain the response information fed back by the user, for example, the base station provides the energy detection method to detect the ACK letter. After the user equipment sends the data symbol on the channel 0 and the ACK channel 1, the base station can obtain the ACK response channel group used by the user equipment as an ACK channel group (0, 1), and the base station demodulates the data symbols on the ACK channel group. The bit group sent by the user equipment is ([1, 1], [1]), and then, by searching the table 6, the base station can obtain the response information that the user equipment needs to feed back to the base station as HARQ-ACK(O). ACK, HARQ-ACK(1) ACK, HARQ-ACK(2) ACK, HARQ-ACK(3) ACK, the base station judges according to this, the user equipment receives the data, and each codeword of the two component carriers is correctly corrected by the user data. Received.
在本发明实施例中, 用户设备通过查找应答信息映射表,找到与需要反馈 的应答信息相对应的应答信息信道组和数据符号组, 然后, 用户设备将数据符 号组中的每一个数据符号分别映射到至少一个应答信息信道,用户设备将数据 符号组中的数据符号发送给基站,由于本发明实施例中用户设备是通过一个应 答信息信道组和一个数据符号组表示一种应答信息,当用户设备接收到的下行 成员载波为多个载波时,可以通过应答信息信道组和数据符号组对应一种应答 信息来表示用户设备接收多个下行成员载波的接收情况,能够适用于基站为用 户设备配置多个下行成员载波的情形。 In the embodiment of the present invention, the user equipment finds the response information channel group and the data symbol group corresponding to the response information that needs to be fed back by searching the response information mapping table, and then the user equipment separates each data symbol in the data symbol group. Mapping to the at least one response information channel, the user equipment sends the data symbol in the data symbol group to the base station. In the embodiment of the present invention, the user equipment indicates a response message through a response information channel group and a data symbol group. When the downlink component carrier received by the device is multiple carriers, the response information channel group and the data symbol group corresponding to one type of response information may be used to indicate that the user equipment receives multiple downlink component carriers, which can be applied to the base station to configure the user equipment. The case of multiple downlink component carriers.
以上实施例介绍了从用户设备侧实现的应答信息的发送方法,接下来介绍 从基站侧实现的应答信息的接收方法, 请参阅如图 6所示的实施例。 The above embodiment describes a method of transmitting response information implemented from the user equipment side. Next, a method of receiving response information implemented from the base station side will be described. Please refer to the embodiment shown in FIG. 6.
如图 6所示, 应答信息的接收方法, 包括: As shown in FIG. 6, the method for receiving the response information includes:
601、 基站检测出用户设备用于反馈应答信息的应答信息信道组, 其中, 应答信息信道组中的每一个应答信息信道都映射有数据符号组中的至少一个 数据符号。 601. The base station detects a response information channel group used by the user equipment to feed back the response information, where each of the response information channel groups is mapped with at least one data symbol in the data symbol group.
在本发明实施例中, 当用户设备同时接入多个下行成员载波时,基站通过 每个下行成员载波可以在物理下行共享信道上向用户设备传输数据,用户设备 根据接收数据的情况生成需要反馈的应答信息。 In the embodiment of the present invention, when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the physical downlink shared channel by using each downlink component carrier, and the user equipment generates feedback according to the situation of receiving data. Response information.
在本发明实施例中,基站为载波聚合场景下的下行成员载波分配应答信息
信道, 其中, 下行成员载波是配置的或者激活的成员载波, 假设为 N个下行 成员载波时, 基站为每个下行成员载波配置 2个 ACK信道, 则共存在 2N个 ACK信道, N为自然数。 In the embodiment of the present invention, the base station allocates response information to the downlink component carrier in the carrier aggregation scenario. A channel, where the downlink component carrier is a configured or activated component carrier. When N downlink component carriers are assumed, the base station configures 2 ACK channels for each downlink component carrier, and 2N ACK channels exist in total, and N is a natural number.
例如, 当 N取 2时, 有两个下行成员载波, 则基站为每个下行成员载波 分配两个 ACK信道, 共有 4个 ACK信道, 两个下行成员载波中每个下行成 员载波上的数据传输被配置为能最大支持两个码字的传输,每个码字是独立经 过信道编码, 独立进行接收情况校验的, 因此, 可以单独反馈每个码字对应的 应答信息。 For example, when N is 2, there are two downlink component carriers, and the base station allocates two ACK channels for each downlink component carrier, and has 4 ACK channels, and data transmission on each downlink component carrier of the two downlink component carriers. It is configured to support the transmission of two codewords at the maximum. Each codeword is independently channel-coded and independently performs reception check. Therefore, the response information corresponding to each codeword can be separately fed back.
在实际应用中,基站为下行成员载波分配应答信息信道,一种可选的实现 方式是, 基站通过物理下行控制信道 ( PDCCH, Physical Downlink Control Channel ) 的控制信道单元(CCE, Control Channel Element )来为用户分配应 答信息信道。 例如, 一个 PDCCH是由 1 , 2, 4或者 8个 CCE组成, 组成一 个 PDCCH的 CCE个数与控制信道内容的大小以及用户的信道质量有关。 当 一个用户的信道质量艮差, 为了提高 PDCCH的性能, 可以采用 8个 CCE来 传输该用户的 PDCCH, 这时用户的 PDCCH可以采用很低的编码码率来抵抗 信道的衰落。 在基站中所有可用的 CCE会有一个编号, 所以下行成员载波对 应的两个 ACK信道可以由该下行成员载波上数据传输对应的 PDCCH所对应 的 CCE的编号来计算推导出来, 例如, 用 PDCCH所对应的 CCE中编号最小 的编号 n— CCE, 以及 n— CCE+1来计算推导出来。 另一种可实现的方式是, 基 站可以为下行成员载波半静态 (semi-statically ) 配置两个 ACK信道, 或, 基 站为下行成员载波配置多对 ACK信道, 每对 ACK信道包括两个 ACK信道, 然后当需要使用 ACK信道时在 PDCCH中指示使用多对 ACK信道中的哪一对 ACK信号。 另一种可实现的方式是, 结合前述的所有方式, 例如, 基站对有 的下行成员载波通过 PDCCH对应的 CCE计算推导 ACK信道,基站对有的下 行成员载波直接配置两个 ACK信道或多对 ACK信道, 基站对同一个下行成
员载波上不同的下行子帧上的 PDSCH按照不同的分配方式分配对应的应答信 息信道。 在实际应用中, 可以采取任何一种实现方式或者其组合, 例如可以根 据业务类型的不同使用不同的方式,对于动态调度数据业务使用一种方式, 对 于半持续调度 ( SPS, Semi-persistent Scheduling )用另一种方式等。 In an actual application, the base station allocates a response information channel to the downlink component carrier. In an optional implementation manner, the base station uses a Control Channel Element (CCE) of the Physical Downlink Control Channel (PDCCH). A response information channel is assigned to the user. For example, one PDCCH is composed of 1, 2, 4 or 8 CCEs, and the number of CCEs constituting one PDCCH is related to the size of the control channel content and the channel quality of the user. When the channel quality of a user is poor, in order to improve the performance of the PDCCH, 8 CCEs may be used to transmit the PDCCH of the user, and the PDCCH of the user may adopt a very low coding rate to resist the fading of the channel. All the available CCEs in the base station have a number, so the two ACK channels corresponding to the downlink component carrier can be calculated and calculated by the number of the CCE corresponding to the PDCCH corresponding to the data transmission on the downlink component carrier, for example, by using the PDCCH. The numbered n-CCE with the lowest number in the corresponding CCE, and n-CCE+1 are calculated and derived. Another achievable manner is that the base station can semi-statically configure two ACK channels for the downlink component carrier, or the base station configures multiple pairs of ACK channels for the downlink component carrier, and each pair of ACK channels includes two ACK channels. Then, which pair of ACK signals of the plurality of pairs of ACK channels are used is indicated in the PDCCH when the ACK channel needs to be used. Another achievable manner is that, in combination with all the foregoing manners, for example, the base station calculates the ACK channel by using the CCE corresponding to the PDCCH for the downlink component carrier, and the base station directly configures two ACK channels or pairs for the downlink component carriers. ACK channel, the base station is on the same downlink The PDSCHs on different downlink subframes on the carrier are allocated corresponding answer information channels according to different allocation methods. In an actual application, any implementation manner or a combination thereof may be adopted. For example, different manners may be used according to different service types, and one mode is used for dynamically scheduling data services, and semi-persistent scheduling (SPS, Semi-persistent Scheduling) In another way, etc.
在实际应用中,基站检测用户设备发送数据符号组使用的应答信息信道组 具体可以采用如下方式实现: 基站通过能量检测方法或相干检测方法, 获取到 用户设备发送数据符号组使用的应答信息信道组。 In a practical application, the base station detects that the response information channel group used by the user equipment to send the data symbol group can be implemented in the following manner: The base station obtains the response information channel group used by the user equipment to send the data symbol group by using the energy detection method or the coherent detection method. .
在本发明实施例中,基站能够检测出用户设备发送的数据符号使用的应答 信息信道组, 例如, 基站检测到用户设备通过 ACK信道 0和 ACK信道 1发 送数据符号, 则基站可以获取到用户设备使用的 ACK信道组为 (0, 1 )。 In the embodiment of the present invention, the base station can detect the response information channel group used by the data symbol sent by the user equipment. For example, when the base station detects that the user equipment sends the data symbol through the ACK channel 0 and the ACK channel 1, the base station can acquire the user equipment. The ACK channel group used is (0, 1).
需要说明的是在本发明实施例中,基站检测出的应答信息信道组中的每一 个应答信息信道都映射有数据符号组中的至少一个数据符号,用户设备发送的 数据符号组中的全部数据符号都映射到了基站检测出的应答信息信道组中的 全部应答信息信道。例如,基站检测出的应答信息信道组中的有的应答信息信 道映射一个数据符号, 有的映射两个数据符号等。 It should be noted that, in the embodiment of the present invention, each response information channel in the response information channel group detected by the base station is mapped with at least one data symbol in the data symbol group, and all data in the data symbol group sent by the user equipment. The symbols are mapped to all of the response information channels in the response information channel group detected by the base station. For example, some of the response information channels in the response information channel group detected by the base station map one data symbol, and some map two data symbols.
602、 基站在检测出的应答信息信道组对应的应答信息信道上, 解调应答 信息信道承载的数据得到一数据符号组。 602. The base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group.
在本发明实施例中,当基站检测出用户设备发送数据符号的应答信息信道 组之后, 基站对接收的数据符号进行解调。 例如, 当基站对应答信息信道组对 应得应答信息信道承载的数据解调之后为 BPSK数据符号 和 In the embodiment of the present invention, after the base station detects the response information channel group in which the user equipment sends the data symbol, the base station demodulates the received data symbol. For example, when the base station demodulates the data carried by the response information channel group corresponding to the response information channel, it is a BPSK data symbol and
QPSK符号 β = -1 , 则通过表 2和表 4, 基站可以获取到 — ^" 用户 设备发送的比特组为 ([1 , 1], [1] ) 。 The QPSK symbol β = -1 , then through Table 2 and Table 4, the base station can obtain - ^" the bit group sent by the user equipment is ([1 , 1], [1] ).
在实际应用中,基站在检测出的应答信息信道组对应的应答信息信道上解 调该应答信息信道承载的数据得到一数据符号组具体可以为:基站对每一个应 答信息信道承载的数据进行解调, 分别得到数据符号组中的一个数据符号。 具
体的,基站可以对应答信息信道组对应的每一个应答信息信道的一个时隙或两 个时隙承载的数据进行解调, 分别得到数据符号组中的一个数据符号。 例如, 表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个信道中的应答信 息(ACK, ACK, ACK, ACK ), 那么用户设备需要反馈的应答信息对应的数 据符号组为比特组([1 , 1] , [1] )。 基站检测出的应答信息信道组为(0, 1 ) , 基站对应答信息信道 0的一个时隙或两个时隙承载的数据进行解调,就可以得 到数据符号组中的一个数据符号 [1 , 1] , 基站对应答信息信道 1的一个时隙或 两个时隙承载的数据进行解调, 就可以得到数据符号组中的另一个数据符号In a practical application, the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, which may be: the base station solves the data carried by each response information channel. Tune, respectively, to get a data symbol in the data symbol group. With The base station may demodulate data carried in one time slot or two time slots of each response information channel corresponding to the response information channel group to obtain one data symbol in the data symbol group. For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. Groups are bit groups ([1, 1], [1]). The response information channel group detected by the base station is (0, 1), and the base station demodulates data carried in one time slot or two time slots of the response information channel 0 to obtain a data symbol in the data symbol group [1] , 1], the base station demodulates data carried in one time slot or two time slots of the response information channel 1, and another data symbol in the data symbol group can be obtained.
[1] , 由此, 基站可以解调出的数据符号组为 ([1 , 1] , [1] ) 。 [1] Thus, the data symbol group that the base station can demodulate is ([1 , 1] , [1] ).
在实际应用中 ,基站在检测出的应答信息信道组对应的应答信息信道上解 调该应答信息信道承载的数据得到一数据符号组具体还可以为:基站对应答信 息信道组中的全部两个应答信息信道承载的数据进行解调,得到数据符号组中 每一个同时映射在该两个应答信息信道上的数据符号。具体的,基站对第一应 答信息信道的第一时隙和第二应答信息信道的第二时隙承载的数据进行解调 得到数据符号组的一个数据符号;基站对第一应答信息信道的第三时隙和第二 应答信息信道的第四时隙承载的数据进行解调得到数据符号组的另一个数据 符号。例如,表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个信 道中的应答信息(ACK, ACK, ACK, ACK ), 那么用户设备需要反馈的应答 信息对应的数据符号组为比特组([1 , 1] , [1] )。 基站检测出的应答信息信道 组为(0, 1 ) , 基站对应答信息信道 0的一个时隙和应答信息信道 1的一个时 隙承载的数据进行解调, 就可以得到数据符号组中的一个数据符号 [1 , 1] , 基 站对应答信息信道 0的另一个时隙和应答信息信道 1的另一个时隙承载的数据 进行解调, 就可以得到数据符号组中的另一个数据符号 [1] , 由此, 基站可以 解调出的数据符号组为 ([1 , 1] , [1] ) 。 In a practical application, the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, which may be specifically: all two of the base station to the response information channel group. The data carried by the response information channel is demodulated, and each data symbol in the data symbol group is simultaneously mapped on the two response information channels. Specifically, the base station demodulates data carried by the first time slot of the first response information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; and the base station responds to the first response information channel. The data carried by the third time slot and the fourth time slot of the second response information channel are demodulated to obtain another data symbol of the data symbol group. For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. Groups are bit groups ([1, 1], [1]). The response information channel group detected by the base station is (0, 1), and the base station demodulates one time slot of the response information channel 0 and the data carried by one time slot of the response information channel 1, and one of the data symbol groups can be obtained. Data symbol [1, 1], the base station demodulates data carried by another time slot of the response information channel 0 and another time slot of the response information channel 1, and another data symbol in the data symbol group can be obtained [1] ], whereby the data symbol group that the base station can demodulate is ([1, 1], [1]).
在实际应用中,基站在检测出的应答信息信道组对应的应答信息信道上解
调该应答信息信道承载的数据得到一数据符号组具体还可以为:当数据符号组 包括两个数据符号时,基站对应答信息信道组对应的两个应答信息信道承载的 数据进行解调,得到数据符号组的一个数据符号;基站对应答信息信道组对应 的一个应答信息信道承载的数据进行解调, 得到数据符号组的另一个数据符 号。 In practical applications, the base station solves the response information channel corresponding to the detected response information channel group. Adjusting the data carried by the response information channel to obtain a data symbol group may further be: when the data symbol group includes two data symbols, the base station demodulates data carried by the two response information channels corresponding to the response information channel group, and obtains A data symbol of the data symbol group; the base station demodulates data carried by a response information channel corresponding to the response information channel group to obtain another data symbol of the data symbol group.
具体的, 当数据符号组包括两个数据符号时,基站对应答信息信道组对应 的两个应答信息信道承载的数据进行解调,得到数据符号组的一个数据符号包 括:基站可以对第一应答信息信道的第一时隙和第二应答信息信道的第二时隙 承载的数据进行解调得到数据符号组的一个数据符号; 或,基站可以对第一应 答信息信道的第一时隙、第一应答信息信道的第三时隙、第二应答信息信道的 第二时隙承载的数据进行解调得到数据符号组的一个数据符号。 Specifically, when the data symbol group includes two data symbols, the base station demodulates data carried by the two response information channels corresponding to the response information channel group, and obtaining one data symbol of the data symbol group includes: the base station may respond to the first Demodulating data carried by the first time slot of the information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; or, the base station may be the first time slot of the first response information channel, The data carried by the third time slot of the response information channel and the second time slot of the second response information channel is demodulated to obtain one data symbol of the data symbol group.
具体的,基站对应答信息信道组对应的一个应答信息信道承载的数据进行 解调,得到数据符号组的另一个数据符号包括: 基站对第二应答信息信道的第 四时隙进行解调得到数据符号组的另一个数据符号。 Specifically, the base station demodulates the data carried by the response information channel corresponding to the response information channel group, and obtains another data symbol of the data symbol group. The base station demodulates the fourth time slot of the second response information channel to obtain data. Another data symbol for the symbol group.
例如,表 6中用户设备需要反馈的应答信息为表 6中的第一行的四个信道 中的应答信息(ACK, ACK, ACK, ACK ), 那么用户设备需要反馈的应答信 息对应的数据符号组为比特组([1 , 1] , [1] )。 基站检测出的应答信息信道组 为(0, 1 ) , 基站对应答信息信道 0的一个时隙和应答信息信道 1的一个时隙 承载的数据进行解调, 就可以得到数据符号组中的一个数据符号 [1 , 1] , 或, 基站检测出的应答信息信道组为(0, 1 ) , 基站对应答信息信道 0的两个时隙 和应答信息信道 1的一个时隙承载的数据进行解调,就可以得到数据符号组中 的一个数据符号 [1 , 1] , 基站对应答信息信道 1的另一个时隙承载的数据进行 解调, 就可以得到数据符号组中的另一个数据符号 [1] , 由此, 基站可以解调 出的数据符号组为 ([1 , 1] , [ 1] ) 。 For example, the response information that the user equipment needs to feed back in Table 6 is the response information (ACK, ACK, ACK, ACK) in the four channels in the first row in Table 6, and the data symbol corresponding to the response information that the user equipment needs to feed back. Groups are bit groups ([1, 1], [1]). The response information channel group detected by the base station is (0, 1), and the base station demodulates one time slot of the response information channel 0 and the data carried by one time slot of the response information channel 1, and one of the data symbol groups can be obtained. The data symbol [1, 1], or the base station detects the response information channel group is (0, 1), and the base station solves the two time slots of the response information channel 0 and the data carried by one time slot of the response information channel 1. To adjust, one data symbol [1, 1] in the data symbol group can be obtained, and the base station demodulates the data carried by the other time slot of the response information channel 1, and another data symbol in the data symbol group can be obtained. 1] Thus, the data symbol group that the base station can demodulate is ([1, 1], [1]).
603、 基站通过检测出的应答信息信道组和解调得到的数据符号组, 查找
应答信息映射表, 得到用户设备反馈的应答信息。 603. The base station searches through the detected response information channel group and the demodulated data symbol group. The response information mapping table obtains response information fed back by the user equipment.
在本发明实施例中,基站根据检测出的应答信息信道组和解调后的数据符 号组, 查找应答信息映射表, 找到用户设备反馈的应答信息。 例如, 基站得到 的应答信息组为 ACK信道组(0, 1 )和数据符号组对应的比特组([1 , 1], [1] ) , 通过查找表 6 , 基站就可以得到用户设备需要向基站反馈的应答信息为 HARQ-ACK(O) ACK , HARQ-ACK(l) ACK , HARQ-ACK(2) ACK , HARQ-ACK(3) ACK, 基站据此判断, 用户设备接收数据情况为两个成员载波 的每个码字被用户数据接收到了。 In the embodiment of the present invention, the base station searches the response information mapping table according to the detected response information channel group and the demodulated data symbol group, and finds the response information fed back by the user equipment. For example, the response information group obtained by the base station is an ACK channel group (0, 1) and a bit group corresponding to the data symbol group ([1, 1], [1]). Through the lookup table 6, the base station can obtain the user equipment needs to The response information fed back by the base station is HARQ-ACK (O) ACK, HARQ-ACK (1) ACK, HARQ-ACK (2) ACK, HARQ-ACK (3) ACK, and the base station determines that the user equipment receives the data as two. Each codeword of each component carrier is received by the user data.
需要说明的是, 在基站中存储的应答信息映射表具体可以为如表 6 中所 示,当然在实际应用中还可以根据该应答信息映射表衍生出多种待反馈的应答 信息与应答信息信道组和数据符号组之间的映射表,此处仅是举例说明而已不 作限定。 It should be noted that the response information mapping table stored in the base station may be specifically as shown in Table 6. Of course, in the actual application, a plurality of response information and response information channels to be fed back may be derived according to the response information mapping table. The mapping table between groups and data symbol groups is merely illustrative and not limited.
在本发明实施例中, 基站检测出用户设备反馈应答信息的应答信息信道 组, 并解调出用户设备发送的数据符号组, 最后, 基站通过查找应答信息映射 表, 获取到用户设备反馈的应答信息。 由于本发明实施例中用户设备是通过一 个应答信息信道组和一个数据符号组表示一种应答信息,当用户设备接收到的 下行成员载波为多个载波时,可以通过应答信息信道组和数据符号组对应一种 应答信息来表示用户设备接收多个下行成员载波的接收情况,能够适用于基站 为用户设备配置多个下行成员载波的情形。 In the embodiment of the present invention, the base station detects the response information channel group of the user equipment feedback response information, and demodulates the data symbol group sent by the user equipment. Finally, the base station obtains the response of the user equipment feedback by searching the response information mapping table. information. In the embodiment of the present invention, the user equipment indicates a type of response information through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, the information channel group and the data symbol can be acknowledged. The group corresponds to a type of response information to indicate that the user equipment receives the reception of multiple downlink component carriers, and is applicable to the case where the base station configures multiple downlink component carriers for the user equipment.
以上实施例介绍了本发明实施例提供的应答信息的发送方法和接收方法, 接下来介绍从使用该应答信息的发送方法的用户设备,请参阅如图 7所示的实 施例。 The above embodiment describes a method for transmitting and receiving a response message according to an embodiment of the present invention. Next, a user device using a method for transmitting the response message will be described. Referring to the embodiment shown in FIG.
如图 7所示,用户设备 700, 包括:应答信息生成单元 701、查找单元 702、 映射单元 703、 数据符号组发送单元 704、 其中, As shown in FIG. 7, the user equipment 700 includes: a response information generating unit 701, a searching unit 702, a mapping unit 703, and a data symbol group sending unit 704, where
应答信息生成单元 701 , 生成用户设备 700接收到的下行成员载波承载的
数据对应的应答信息。 The response information generating unit 701 generates a downlink component carrier that is received by the user equipment 700. The response information corresponding to the data.
在本发明实施例中, 当用户设备同时接入多个下行成员载波时,基站通过 每个下行成员载波可以 PDSCH上向用户设备传输数据,应答信息生成单元 701 根据接收数据的情况生成需要反馈的应答信息。 In the embodiment of the present invention, when the user equipment accesses multiple downlink component carriers at the same time, the base station can transmit data to the user equipment on the PDSCH through each downlink component carrier, and the response information generating unit 701 generates feedback that needs to be received according to the situation of receiving data. Answer the message.
在实际应用中, 用户设备需要反馈的应答信息, 如果是完全反馈, 待反馈 的应答信息具体包括三种: ACK、 NACK, DTX, 即每个码字都需要反馈 3 种状态, 分别是 ACK, NACK和 DTX。 待反馈的应答信息也可以包括两种: ACK:、 NACK/DTX, 具体不作限定。 In practical applications, the user equipment needs feedback response information. If it is full feedback, the response information to be fed back specifically includes three types: ACK, NACK, and DTX, that is, each codeword needs to feed back three states, which are ACK. NACK and DTX. The response information to be fed back may also include two types: ACK:, NACK/DTX, and is not specifically limited.
查找单元 702, 用于查找应答信息映射表, 找到与生成的应答信息相对应 的应答信息信道组和数据符号组, 其中,应答信息映射表中的不同的应答信息 信道组所包括的应答信息信道不相同。 The searching unit 702 is configured to search the response information mapping table, and find a response information channel group and a data symbol group corresponding to the generated response information, where the response information channel included in the different response information channel group in the response information mapping table Not the same.
在本发明实施例中,将待反馈的应答信息通过不同的应答信息信道组和不 同的数据符号组来分别表示, 可以形成一个应答信息映射表,在应答信息映射 表中,应答信息信道组至少包括两个应答信息信道, 不同的应答信息信道组所 包括的应答信息信道不相同, 且每个应答信息信道包括两个时隙。 In the embodiment of the present invention, the response information to be fed back is respectively represented by different response information channel groups and different data symbol groups, and a response information mapping table may be formed. In the response information mapping table, the response information channel group is at least Two response information channels are included, different response information channel groups include different response information channels, and each response information channel includes two time slots.
在实际应用中, 当基站为用户设备配置了两个下行成员载波,每个下行成 员载波分配了两个应答信息信道时,查找单元 702具体用于查找如表 6中描述 的应答信息映射表,但在不同的应用场景下还可以根据该应答信息映射表衍生 出多种待反馈的应答信息与应答信息信道组和数据符号组之间的映射表,此处 仅是举例说明而已不作限定。 In a practical application, when the base station configures two downlink component carriers for the user equipment, and each downlink component carrier allocates two response information channels, the searching unit 702 is specifically configured to look up the response information mapping table as described in Table 6. However, in different application scenarios, a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived from the response information mapping table, which is not limited herein.
映射单元 703 , 用于将数据符号组中的每一个数据符号分别映射到至少一 个应答信息信道。 The mapping unit 703 is configured to map each data symbol in the data symbol group to at least one response information channel.
在本发明实施例中, 数据符号的发送需要映射到 ACK信道才能实现, 映 射单元 703 将需要反馈的应答信息对应的数据符号组中的每一个数据符号映 射到至少一个应答信息信道。
在实际应用中,映射单元 703具体可以用于将数据符号组中的每一个数据 符号分别映射到一个应答信息信道,即每一个数据符号都唯一的映射到一个应 答信息信道中。 In the embodiment of the present invention, the transmission of the data symbol needs to be mapped to the ACK channel, and the mapping unit 703 maps each data symbol in the data symbol group corresponding to the response information that needs to be fed back to the at least one response information channel. In practical applications, the mapping unit 703 may be specifically configured to map each data symbol in the data symbol group to a response information channel, that is, each data symbol is uniquely mapped into a response information channel.
在实际应用中, 当数据符号组包括两个数据符号时, 映射单元 703具体可 以用于将数据符号组中的一个数据符号映射到两个应答信息信道;将数据符号 组中的另一个数据符号映射到一个应答信息信道。 In a practical application, when the data symbol group includes two data symbols, the mapping unit 703 may specifically be configured to map one data symbol in the data symbol group to two response information channels; and another data symbol in the data symbol group. Map to an acknowledgement information channel.
在实际应用中, 当数据符号组包括两个数据符号时, 映射单元 703具体可 以用于将数据符号组中的每一个数据符号都映射到两个应答信息信道。 In practical applications, when the data symbol group includes two data symbols, the mapping unit 703 can be specifically configured to map each data symbol in the data symbol group to two response information channels.
数据符号组发送单元 704, 用于在映射到的应答信息信道上将数据符号组 中的数据符号发送给基站,以使基站能够通过接收数据符号组中的数据符号获 取到用户反馈的应答信息。 The data symbol group sending unit 704 is configured to send the data symbols in the data symbol group to the base station on the mapped response information channel, so that the base station can obtain the response information fed back by the user by receiving the data symbols in the data symbol group.
需要说明的是, 上述装置各模块 /单元之间的信息交互、 执行过程等内容, 由于与本发明方法实施例基于同一构思,其带来的技术效果与本发明方法实施 例相同, 具体内容可参见本发明方法实施例中的叙述, 此处不再贅述。 It should be noted that the information interaction, the execution process, and the like between the modules/units of the foregoing device are the same as the embodiment of the method of the present invention. Reference is made to the description in the method embodiment of the present invention, and details are not described herein again.
在本发明实施例中, 查找单元 702通过查找应答信息映射表,找到与需要 反馈的应答信息相对应的应答信息信道组和数据符号组, 然后, 映射单元 703 将数据符号组中的每一数据符号分别映射到至少一个应答信息信道, 最后,数 施例中用户设备是通过一个应答信息信道组和一个数据符号组表示一种应答 信息, 当用户设备接收到的下行成员载波为多个载波时, 可以通过应答信息信 道组和数据符号组对应一种应答信息来表示用户设备接收多个下行成员载波 的接收情况, 能够适用于基站为用户设备配置多个下行成员载波的情形。 In the embodiment of the present invention, the searching unit 702 finds the response information channel group and the data symbol group corresponding to the response information that needs to be fed back by searching the response information mapping table, and then the mapping unit 703 sets each data in the data symbol group. The symbols are respectively mapped to at least one response information channel. Finally, in the embodiment, the user equipment indicates a response message through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, The response information channel group and the data symbol group correspond to one type of response information to indicate that the user equipment receives the reception of the plurality of downlink component carriers, and can be applied to the case where the base station configures multiple downlink component carriers for the user equipment.
以上实施例介绍了本发明实施例提供的用户设备,接下来介绍本发明实施 例提供的基站, 如图 8所示, 基站 800包括: 检测单元 801、 解调单元 802、 查找单元 803 , 其中,
检测单元 801 , 用于检测出用户设备用于反馈应答信息的应答信息信道 组, 其中,应答信息信道组中的每一个应答信息信道都映射有数据符号组中的 至少一个数据符号。 The foregoing embodiment describes the user equipment provided by the embodiment of the present invention. Next, the base station provided by the embodiment of the present invention is introduced. As shown in FIG. 8, the base station 800 includes: a detecting unit 801, a demodulating unit 802, and a searching unit 803. The detecting unit 801 is configured to detect a response information channel group used by the user equipment to feed back response information, where each of the response information channel groups is mapped with at least one data symbol in the data symbol group.
在实际应用中, 检测单元 801 具体用于通过能量检测方法或相干检测方 法, 获取到用户设备发送数据符号组使用的应答信息信道组。 In an actual application, the detecting unit 801 is specifically configured to obtain, by using an energy detecting method or a coherent detecting method, a response information channel group used by the user equipment to send a data symbol group.
解调单元 802, 用于在检测出的应答信息信道组对应的应答信息信道上, 解调应答信息信道承载的数据得到一数据符号组, 其中,数据符号组中的每一 个数据符号被所述用户设备分别映射到至少一个应答信息信道后向所述基站 发送。 The demodulation unit 802 is configured to demodulate data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group, where each data symbol in the data symbol group is The user equipments are respectively mapped to at least one response information channel and then sent to the base station.
查找单元 803 , 用于根据检测出的应答信息信道组和解调得到的数据符号 组, 查找应答信息映射表, 得到用户设备反馈的应答信息。 The searching unit 803 is configured to search the response information mapping table according to the detected response information channel group and the demodulated data symbol group, and obtain response information fed back by the user equipment.
在实际应用中, 解调单元 802 的一种可选的实现方式是, 解调单元 802 具体用于对应答信息信道组中的每一个应答信息信道承载的数据进行解调,分 别得到数据符号组中的一个数据符号。 In an actual implementation, the demodulation unit 802 is specifically configured to demodulate data carried by each response information channel in the response information channel group to obtain a data symbol group. A data symbol in .
在实际应用中,解调单元 802的一种可选的实现方式是, 当数据符号组包 括两个数据符号时,解调单元 802具体用于对应答信息信道组中的全部两个应 答信息信道承载的数据进行解调,得到数据符号组中的每一个同时映射在该两 个应答信息信道上的数据符号;对应答信息信道组对应的一个应答信息信道承 载的数据进行解调, 得到数据符号组的另一个数据符号。 In an actual implementation, an optional implementation manner of the demodulation unit 802 is: when the data symbol group includes two data symbols, the demodulation unit 802 is specifically configured to use all two response information channels in the response information channel group. The carried data is demodulated, and each of the data symbol groups is simultaneously mapped to the data symbols on the two response information channels; and the data carried by the response information channel corresponding to the response information channel group is demodulated to obtain the data symbols. Another data symbol for the group.
在实际应用中,解调单元 802的一种可选的实现方式是, 当数据符号组包 括两个数据符号时,解调单元 802具体用于对应答信息信道组对应的两个应答 信息信道承载的数据进行解调, 得到数据符号组的两个数据符号。 In an actual implementation, an optional implementation manner of the demodulation unit 802 is: when the data symbol group includes two data symbols, the demodulation unit 802 is specifically configured to carry two response information channel bearers corresponding to the response information channel group. The data is demodulated to obtain two data symbols of the data symbol group.
需要说明的是, 在基站中存储的应答信息映射表具体可以为如表 6 中所 示, 此处不再贅述。 当然在实际应用中还可以根据该应答信息映射表衍生出多 种待反馈的应答信息与应答信息信道组和数据符号组之间的映射表,此处仅是
举例说明而已不作限定。 It should be noted that the response information mapping table stored in the base station may be specifically as shown in Table 6, and details are not described herein again. Of course, in the actual application, a mapping table between the response information to be fed back and the response information channel group and the data symbol group may be derived according to the response information mapping table. The illustration is not limited.
需要说明的是, 上述装置各模块 /单元之间的信息交互、 执行过程等内容, 由于与本发明方法实施例基于同一构思,其带来的技术效果与本发明方法实施 例相同, 具体内容可参见本发明方法实施例中的叙述, 此处不再贅述。 It should be noted that the information interaction, the execution process, and the like between the modules/units of the foregoing device are the same as the embodiment of the method of the present invention. Reference is made to the description in the method embodiment of the present invention, and details are not described herein again.
在本发明实施例中, 检测单元 801 检测出用户设备对应的应答信息信道 组, 解调单元 802 对用户设备发送的数据符号组进行解调, 最后, 查找单元 803通过查找应答信息映射表, 获取到用户设备反馈的应答信息。 由于本发明 实施例中用户设备是通过一个应答信息信道组和一个数据符号组表示一种应 答信息, 当用户设备接收到的下行成员载波为多个载波时, 可以通过应答信息 信道组和数据符号组对应一种应答信息来表示用户设备接收多个下行成员载 波的接收情况, 能够适用于基站为用户设备配置多个下行成员载波的情形。 In the embodiment of the present invention, the detecting unit 801 detects the response information channel group corresponding to the user equipment, and the demodulating unit 802 demodulates the data symbol group sent by the user equipment. Finally, the searching unit 803 obtains the response information mapping table. The response message to the user device feedback. In the embodiment of the present invention, the user equipment indicates a type of response information through a response information channel group and a data symbol group. When the downlink component carrier received by the user equipment is multiple carriers, the response information channel group and the data symbol may be used. The group corresponds to a type of response information to indicate that the user equipment receives the reception of multiple downlink component carriers, and is applicable to the case where the base station configures multiple downlink component carriers for the user equipment.
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤 是可以通过程序来指令相关的硬件完成,该程序可以存储于一种计算机可读存 储介质中, 上述提到的存储介质可以是只读存储器, 磁盘或光盘等。 A person skilled in the art can understand that all or part of the steps of implementing the above embodiments can be completed by a program to instruct related hardware, and the program can be stored in a computer readable storage medium, and the above mentioned storage medium can be It is a read-only memory, a disk or a disc.
以上对本发明所提供的一种应答信息的发送方法、接收方法和用户设备及 基站进行了详细介绍,对于本领域的一般技术人员,依据本发明实施例的思想, 在具体实施方式及应用范围上均会有改变之处, 因此, 本说明书内容不应理解 为对本发明的限制。 The method for transmitting the response information, the receiving method, the user equipment, and the base station provided by the present invention are described in detail. For those skilled in the art, according to the idea of the embodiment of the present invention, in the specific implementation manner and application scope There are variations, and therefore, the description should not be construed as limiting the invention.
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Claims
1、 一种应答信息的发送方法, 其特征在于, 包括: 用户设备生成所述用户设备接收到的下行成员载波承载的数据对应的应 答信息; A method for transmitting response information, comprising: generating, by a user equipment, response information corresponding to data carried by a downlink component carrier received by the user equipment;
用户设备查找应答信息映射表,找到与所述应答信息相对应的应答信息信 道组和数据符号组,所述应答信息映射表中的不同的应答信息信道组所包括的 应答信息信道不相同; The user equipment searches the response information mapping table, finds the response information channel group and the data symbol group corresponding to the response information, and the response information channel groups included in the different response information channel groups in the response information mapping table are different;
用户设备将所述数据符号组中的每一个数据符号分别映射到至少一个应 答信息信道; The user equipment maps each of the data symbol groups to at least one response information channel;
用户设备在所述映射到的应答信息信道上将所述数据符号组中的数据符 号发送给基站。 The user equipment transmits the data symbols in the data symbol group to the base station on the mapped response information channel.
2、 根据权利要求 1所述的应答信息的发送方法, 其特征在于, 所述用户 设备将所述数据符号组中的每一个数据符号分别映射到至少一个应答信息信 道包括: 所述用户设备将所述数据符号组中的每一个数据符号分别映射到一个应 答信息信道; 或, The method for transmitting the response information according to claim 1, wherein the mapping, by the user equipment, each of the data symbol groups to the at least one response information channel includes: Each of the data symbol groups is mapped to a response information channel; or
所述用户设备将所述数据符号组中的每一个数据符号都映射到两个应答 信息信道。 The user equipment maps each of the data symbol groups to two acknowledgment information channels.
3、 根据权利要求 2所述的应答信息的发送方法, 其特征在于, 所述用户 设备将所述数据符号组中的每一个数据符号分别映射到一个应答信息信道包 括: 所述用户设备将所述数据符号组中的每一个数据符号分别映射到一个应 答信息信道的一个时隙或两个时隙; 所述用户设备将所述数据符号组中的每一个数据符号分别映射到两个应 答信息信道包括:
所述用户设备将所述数据符号组中的每一个数据符号都映射到两个应答 信息信道的各一个时隙。 The method for transmitting the response information according to claim 2, wherein the mapping, by the user equipment, each data symbol in the data symbol group to a response information channel includes: Each data symbol in the data symbol group is respectively mapped to one time slot or two time slots of one response information channel; the user equipment maps each data symbol in the data symbol group to two response information respectively The channel includes: The user equipment maps each of the data symbol groups to one time slot of two acknowledgment information channels.
4、 根据权利要求 2所述的应答信息的发送方法, 其特征在于, 所述数据 符号组包括两个数据符号; The method for transmitting response information according to claim 2, wherein the data symbol group includes two data symbols;
所述用户设备将所述数据符号组中的每一个数据符号都映射到两个应答 信息信道包括: The user equipment mapping each data symbol in the data symbol group to two response information channels includes:
所述用户设备将所述数据符号组中的一个数据符号映射到第一应答信息 信道的第一时隙和第二应答信息信道的第二时隙; The user equipment maps one data symbol in the data symbol group to a first time slot of a first response information channel and a second time slot of a second response information channel;
所述用户设备将所述数据符号组中的另一个数据符号映射到第一应答信 息信道的第三时隙和第二应答信息信道的第四时隙。 The user equipment maps another data symbol in the data symbol group to a third time slot of the first response information channel and a fourth time slot of the second response information channel.
5、 根据权利要求 1所述的应答信息的发送方法, 其特征在于, 所述数据 符号组包括两个数据符号; 所述用户设备将所述数据符号组中的每一个数据符号分别映射到至少一 个应答信息信道包括: The method for transmitting response information according to claim 1, wherein the data symbol group includes two data symbols; and the user equipment maps each data symbol in the data symbol group to at least A response information channel includes:
所述用户设备将所述数据符号组中的一个数据符号映射到两个应答信息 信道;所述用户设备将所述数据符号组中的另一个数据符号映射到一个应答信 息信道。 The user equipment maps one of the data symbol groups to two acknowledgment information channels; the user equipment maps another data symbol of the data symbol group to an acknowledgment information channel.
6、 根据权利要求 5所述的应答信息的发送方法, 其特征在于, 所述数据 符号组包括两个数据符号; The method for transmitting response information according to claim 5, wherein the data symbol group includes two data symbols;
所述用户设备将所述数据符号组中的一个数据符号映射到两个应答信息 信道包括: Mapping, by the user equipment, one data symbol in the data symbol group to two response information channels includes:
所述用户设备将所述数据符号组中的一个数据符号映射到第一应答信息 信道的第一时隙和第二应答信息信道的第二时隙; 或, 所述用户设备将所述数 据符号组中的一个数据符号映射到第一应答信息信道的第一时隙、第一应答信 息信道的第三时隙、 第二应答信息信道的第二时隙; 所述用户设备将所述数据符号组中的另一个数据符号映射到一个应答信
息信道包括: The user equipment maps one data symbol in the data symbol group to a first time slot of a first response information channel and a second time slot of a second response information channel; or, the user equipment uses the data symbol One data symbol in the group is mapped to a first time slot of the first response information channel, a third time slot of the first response information channel, and a second time slot of the second response information channel; the user equipment uses the data symbol Another data symbol in the group is mapped to a reply letter The information channel includes:
所述用户设备将所述数据符号组中的另一个数据符号映射到第二应答信 息信道的第四时隙。 The user equipment maps another data symbol in the set of data symbols to a fourth time slot of the second acknowledgement information channel.
7、 根据权利要求 1所述的应答信息的发送方法, 其特征在于, 当所述基 站为用户设备配置了两个下行成员载波,每个下行成员载波分配了两个应答信 息信道时, 所述应答信息映射表具体为: The method for transmitting response information according to claim 1, wherein when the base station configures two downlink component carriers for the user equipment, and each downlink component carrier allocates two response information channels, the The response information mapping table is specifically:
待反馈的应答信息 应答信 Response information to be sent back
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK
(0) (1) (2) (3) 组 数据符号组 (0) (1) (2) (3) Group Data symbol group
(a0, al) 1 (a0, al) 1
ACK ACK ACK ACK (0, 1) ACK ACK ACK ACK (0, 1)
(b0, bl)_l (b0, bl)_l
ACK NACK/DTX ACK ACK (2, 3) ACK NACK/DTX ACK ACK (2, 3)
(a0, al) 2 (a0, al) 2
NACK/DTX ACK ACK ACK (0, 1) NACK/DTX ACK ACK ACK (0, 1)
(bO, bl)_2 (bO, bl)_2
NACK/DTX NACK/DTX ACK ACK (2, 3) NACK/DTX NACK/DTX ACK ACK (2, 3)
(a0, al) 3 (a0, al) 3
ACK ACK ACK NACK/DTX (0, 1) ACK ACK ACK NACK/DTX (0, 1)
(bO, bl)_3 (bO, bl)_3
ACK NACK/DTX ACK NACK/DTX (2, 3) ACK NACK/DTX ACK NACK/DTX (2, 3)
(a0, al) 4 (a0, al) 4
NACK/DTX ACK ACK NACK/DTX (0, 1) NACK/DTX ACK ACK NACK/DTX (0, 1)
(bO, bl)_4 (bO, bl)_4
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3)
(bO, bl)_5 (bO, bl)_5
ACK ACK NACK/DTX ACK (2, 3) ACK ACK NACK/DTX ACK (2, 3)
(bO, bl)_6 (bO, bl)_6
ACK NACK/DTX NACK/DTX ACK (2, 3) ACK NACK/DTX NACK/DTX ACK (2, 3)
(bO, bl)_7 (bO, bl)_7
NACK/DTX ACK NACK/DTX ACK (2, 3) NACK/DTX ACK NACK/DTX ACK (2, 3)
(bO, bl)_8 (bO, bl)_8
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3)
(a0, al) 5NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) (a0, al) 5
ACK ACK NACK/DTX NACK/DTX ( 0, 1 ) ACK ACK NACK/DTX NACK/DTX ( 0, 1 )
(a0, al) 6 (a0, al) 6
ACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 ) ACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 )
(a0, al) 7 (a0, al) 7
NACK/DTX ACK NACK/DTX NACK/DTX ( 0, 1 ) NACK/DTX ACK NACK/DTX NACK/DTX ( 0, 1 )
(a0, al)_8 (a0, al)_8
NACK/DTX NACK NACK/DTX NACK/DTX ( 0, 1 ) NACK/DTX NACK NACK/DTX NACK/DTX ( 0, 1 )
(a0, al)_8 (a0, al)_8
NACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 ) NACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 )
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应 的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设 备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1 )表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3 )表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3 , 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道; (a0, al)— i表示数据符号组, i=l , 2, 8, 当 i取不同的值时表 示不同的数据符号组, (b0, bl)J表示数据符号组, j=l , 2, 8, 当 j取不 同的值时表示不同的数据符号组。 The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second codeword on the second downlink component carrier. Corresponding receiving response information; ACK indicates that the user equipment correctly receives the codeword, NACK indicates that the user equipment receives the codeword error, DTX indicates that the user equipment does not receive the codeword, and NACK/DTX indicates that the user equipment receives the error or does not receive the codeword. To the codeword; (0, 1) represents a response information channel group, including the response information channel 0 and the response information channel 1, and the response information channel 0 and the response information channel 1 are respectively allocated by the base station for the first downlink component carrier. Two response information channels, (2, 3) represent another response information channel group, including response information channel 2 and response information channel 3, and response information channel 2 and response information channel 3 are respectively The base station allocates two response information channels for the second downlink component carrier; (a0, al) - i represents a data symbol group, i = l, 2, 8, and represents different data symbol groups when i takes different values , (b0, bl)J represents the data symbol group, j=l, 2, 8, when j takes a different value, it represents a different data symbol group.
8、 根据权利要求 7所述的应答信息的发送方法, 其特征在于, 每一组数 据符号组 (a0, al)— i中, a0的取值为数据符号 Qm中的其中一个, al的取值为 Qm中的其中一个, m=0, 1 , 2, 3 , 所述 Qm的取值如下表所示; 8. The method of claim transmitting response information according to claim 7, wherein each set of data symbols (a0, al) - i, the value of a0 in which a data symbol of Q m, of Al The value is one of Q m , m=0, 1 , 2, 3 , and the value of the Q m is as shown in the following table;
β3 = - 1 当 i取不同的值时, 数据符号组 (a0, al)— i中的 a0分别的取值不同, 或者 al分别的取值不同, 或者 a0和 al的取值分别都不同; β 3 = - 1 When i takes different values, the values of a0 in the data symbol group (a0, al)-i are different, or the values of al are different, or the values of a0 and al are different. ;
每一组数据符号组 (b0, bl)J中, b0的取值为数据符号 Qm 的其中一个, bl 的取值为 (^中的其中一个, m=0, 1 , 2, 3 , Qm的取值如上表所示, 当 j 取不同的值时, 数据符号组 (b0, bl)J中的 b0分别的取值不同, 或者 bl分 别的取值不同, 或者 b0和 bl的取值分别都不同。 In each set of data symbol groups (b0, bl) J, the value of b0 is one of the data symbols Q m , and the value of bl is one of (^, m=0, 1 , 2, 3 , Q The value of m is as shown in the above table. When j takes different values, the values of b0 in the data symbol group (b0, bl) J are different, or the values of bl are different, or the values of b0 and bl are different. They are all different.
9、 根据权利要求 7所述的应答信息的发送方法, 其特征在于, 每一组数 据符号组 (a0, al)— i中, a0的取值为数据符号 Pm中的其中一个, m=0, 1 , 2, 所述 Pm的取值如下表所示: 9, according to the response information transmission method as claimed in claim 7, wherein each set of data symbols (a0, al) - i, the value of a0 in which a data symbol of P m, m = 0, 1 , 2, the value of the P m is shown in the following table:
p0 = 1 p 0 = 1
= exp{j 2π/3} p2 = exp{j 4π/3} 当 i取不同的值时, 数据符号组 (a0, al)— i中的 a0分别的取值不同, 或者 al分别的取值不同, 或者 a0和 al的取值分别都不同; = exp{j 2π/3} p 2 = exp{j 4π/3} When i takes different values, the values of a0 in the data symbol group (a0, al)-i are different, or the respective values of al are taken The values are different, or the values of a0 and al are different respectively;
每一组数据符号组 (b0, bl)J中, b0的取值为数据符号 Pm 的其中一个, bl的取值为 Pm 的其中一个, m=0, 1 , 2, Pm的取值如上表所示, 当 j取不 同的值时, 数据符号组 (b0, bl)J 中的 b0分别的取值不同, 或者 bl分别的 取值不同, 或者 b0和 bl的取值分别都不同。 In each set of data symbol groups (b0, bl) J, the value of b0 is one of the data symbols P m , and the value of bl is one of P m , m = 0, 1 , 2, P m The values are as shown in the above table. When j takes different values, the values of b0 in the data symbol group (b0, bl) J are different, or the values of bl are different, or the values of b0 and bl are different. .
10、根据权利要求 1至 9中任一项所述的应答信息的发送方法, 其特征在 于, 当所述基站为用户设备配置了两个下行成员载波,每个下行成员载波分配
了两个应答信息信道时, 所述应答信息映射表具体为: The method for transmitting response information according to any one of claims 1 to 9, wherein when the base station configures two downlink component carriers for the user equipment, each downlink component carrier is allocated. When two response information channels are used, the response information mapping table is specifically:
待反馈的应答信息 应答信 数据符号组Response information to be sent back to the answer letter data symbol group
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 对应的比特 (0) (1) (2) (3) 组 组 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK bit corresponding to bits (0) (1) (2) (3) Group
ACK ACK ACK ACK (0, 1) ([1, 1】, [1】) ACK ACK ACK ACK (0, 1) ([1, 1], [1])
ACK NACK/DTX ACK ACK (2, 3) ([0, 1】, [1】) ACK NACK/DTX ACK ACK (2, 3) ([0, 1], [1])
NACK/DTX ACK ACK ACK (0, 1) ([0, 1】, [1]) NACK/DTX ACK ACK ACK (0, 1) ([0, 1], [1])
NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1】, [1]) NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1], [1])
ACK ACK ACK NACK/DTX (0, 1) ([1, 0], [1】) ACK ACK ACK NACK/DTX (0, 1) ([1, 0], [1])
ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0】, [1】) ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0], [1])
NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0】, [1】) NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0], [1])
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1】) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1])
ACK ACK NACK/DTX ACK (2, 3) ([1, 1】, [0]) ACK ACK NACK/DTX ACK (2, 3) ([1, 1], [0])
ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0】, [0] ) ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0], [0] )
NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1】, [0] ) NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1], [0] )
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0】, [0】) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0], [0])
ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1】, [0] ) ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1], [0] )
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0】, [0】) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0], [0])
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1】, [0】) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1], [0])
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0】, [0】)
NACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 ) ( [0, 0】, [0] ) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0], [0]) NACK NACK/DTX NACK/DTX NACK/DTX ( 0, 1 ) ( [0, 0], [0] )
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应 的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设 备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1 )表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3 )表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3 , 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道, ([1, 1】, [1】) 、 ([0, 1】, [1】) 、 ([1, 0】, [1】) 、 ([1, 1】, [0】) 、 ([1, 0】, [0】)、 ([0, 1】, [0] )、 ([0, 0] , [0] )、 ([0, 0] , [1】)分别表示在不同的待反 馈的应答信息下需要反馈的数据符号组对应的比特符号组。 The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second codeword on the second downlink component carrier. Corresponding receiving response information; ACK indicates that the user equipment correctly receives the codeword, NACK indicates that the user equipment receives the codeword error, DTX indicates that the user equipment does not receive the codeword, and NACK/DTX indicates that the user equipment receives the error or does not receive the codeword. To the codeword; (0, 1) represents a response information channel group, including the response information channel 0 and the response information channel 1, and the response information channel 0 and the response information channel 1 are respectively allocated by the base station for the first downlink component carrier. Two response information channels, (2, 3) represent another response information channel group, including response information channel 2 and response information channel 3, and response information channel 2 and response information channel 3 are respectively The base station allocates two response information channels for the second downlink component carrier, ([1, 1], [1]), ([0, 1], [1]), ([1, 0], [1 】), ([1, 1], [0]), ([1, 0], [0]), ([0, 1], [0] ), ([0, 0], [0] ) ([0, 0], [1]) respectively represent bit symbol groups corresponding to the data symbol groups that need to be fed back under different response information to be fed back.
11、 一种应答信息的接收方法, 其特征在于, 包括: 基站检测出用户设备用于反馈应答信息的应答信息信道组,所述应答信息 信道组中的每一个应答信息信道都映射有数据符号组中的至少一个数据符号; 所述基站在检测出的应答信息信道组对应的应答信息信道上,解调所述应 答信息信道承载的数据得到一数据符号组; A method for receiving response information, comprising: detecting, by a base station, a response information channel group used by a user equipment for feeding back response information, wherein each response information channel in the response information channel group is mapped with a data symbol At least one data symbol in the group; the base station demodulates the data carried by the response information channel to obtain a data symbol group on the response information channel corresponding to the detected response information channel group;
所述基站通过检测出的应答信息信道组和解调得到的数据符号组,查找应 答信息映射表, 得到所述用户设备反馈的应答信息。 The base station searches for the response information mapping table by using the detected response information channel group and the demodulated data symbol group, and obtains response information fed back by the user equipment.
12、 根据权利要求 11所述的应答信息的接收方法, 其特征在于, 所述基 站在检测出的应答信息信道组对应的应答信息信道上解调所述应答信息信道 承载的数据得到一数据符号组包括: The method for receiving response information according to claim 11, wherein the base station demodulates data carried by the response information channel on a response information channel corresponding to the detected response information channel group to obtain a data symbol. The group includes:
所述基站分别对所述应答信息信道组中的每一个应答信息信道承载的数
据进行解调, 分别得到所述数据符号组中的一个数据符号; 或, 所述基站对所述应答信息信道组中的全部两个应答信息信道承载的数据 进行解调,得到所述数据符号组中的每一个同时映射在该两个应答信息信道上 的数据符号。 The number of acknowledgment information channel bearers of each of the response information channel groups by the base station Demodulating, respectively, obtaining one data symbol in the data symbol group; or, the base station demodulating data carried by all two response information channels in the response information channel group to obtain the data symbol Each of the groups simultaneously maps data symbols on the two response information channels.
13、 根据权利要求 12所述的应答信息的接收方法, 其特征在于, 所述基 站对所述应答信息信道组对应的每一个应答信息信道承载的数据进行解调分 别得到所述数据符号组中的一个数据符号包括: 所述基站对所述应答信息信道组对应的每一个应答信息信道的一个时隙 或两个时隙承载的数据进行解调, 分别得到所述数据符号组中的一个数据符 号; The method for receiving response information according to claim 12, wherein the base station demodulates data carried by each response information channel corresponding to the response information channel group to obtain the data symbol group. One data symbol includes: the base station demodulates data carried in one time slot or two time slots of each response information channel corresponding to the response information channel group, and respectively obtains one data in the data symbol group Symbol
所述基站对所述应答信息信道组中的全部两个应答信息信道承载的数据 进行解调, 得到每一个同时映射在该两个应答信息信道上的数据符号包括: 所述基站对所述应答信息信道组中全部两个应答信道的各一个时隙上解 调得到所述数据符号组中的一个数据符号,并在所述全部两个应答信道上的各 另外一个时隙上解调得到所述数据符号组中的另一个数据符号。 Decoding, by the base station, data carried by all two response information channels in the response information channel group, to obtain each data symbol simultaneously mapped on the two response information channels, including: the base station responding to the Demodulating one of the data symbol groups on each of the two time slots of the information channel group, and demodulating the other one of the two response channels Another data symbol in the data symbol group.
14、 根据权利要求 12所述的应答信息的接收方法, 其特征在于, 所述数 据符号组包括两个数据符号时; 所述基站对所述应答信息信道组中的全部两个应答信息信道承载的数据 进行解调得到所述数据符号组中的每一个同时映射在该两个应答信息信道上 的数据符号包括: The method for receiving response information according to claim 12, wherein when the data symbol group includes two data symbols, the base station performs all two response information channel bearers in the response information channel group. Demodulating the data to obtain each of the data symbol groups and simultaneously mapping the data symbols on the two response information channels includes:
所述基站对第一应答信息信道的第一时隙和第二应答信息信道的第二时 隙承载的数据进行解调得到所述数据符号组的一个数据符号; 所述基站对第一应答信息信道的第三时隙和第二应答信息信道的第四时 隙承载的数据进行解调得到所述数据符号组的另一个数据符号。 The base station demodulates data carried by the first time slot of the first response information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; the base station pairs the first response information The data carried by the third time slot of the channel and the fourth time slot of the second response information channel is demodulated to obtain another data symbol of the data symbol group.
15、 根据权利要求 11所述的应答信息的接收方法, 其特征在于, 所述数
据符号组包括两个数据符号; 所述基站在检测出的应答信息信道组对应的应答信息信道上解调所述应 答信息信道承载的数据得到一数据符号组包括: 所述基站对所述应答信息信道组对应的两个应答信息信道承载的数据进 行解调, 得到所述数据符号组的一个数据符号; 所述基站对所述应答信息信道组对应的一个应答信息信道承载的数据进 行解调, 得到所述数据符号组的另一个数据符号。 The method for receiving response information according to claim 11, wherein the number is The symbol group includes two data symbols; the base station demodulates the data carried by the response information channel on the response information channel corresponding to the detected response information channel group to obtain a data symbol group including: the base station responding to the Demodulating data carried by two response information channels corresponding to the information channel group to obtain one data symbol of the data symbol group; the base station demodulating data carried by a response information channel corresponding to the response information channel group , obtaining another data symbol of the data symbol group.
16、 根据权利要求 15所述的应答信息的接收方法, 其特征在于, 所述基 站对所述应答信息信道组对应的两个应答信息信道承载的数据进行解调得到 所述数据符号组的一个数据符号包括: 所述基站对第一应答信息信道的第一时隙和第二应答信息信道的第二时 隙承载的数据进行解调得到所述数据符号组的一个数据符号; 或, 所述基站对 第一应答信息信道的第一时隙、第一应答信息信道的第三时隙、第二应答信息 信道的第二时隙承载的数据进行解调得到所述数据符号组的一个数据符号; 所述基站对所述应答信息信道组对应的一个应答信息信道承载的数据进 行解调得到所述数据符号组的另一个数据符号包括: 所述基站对第二应答信息信道的第四时隙进行解调得到所述数据符号组 的另一个数据符号。 The method for receiving response information according to claim 15, wherein the base station demodulates data carried by two response information channels corresponding to the response information channel group to obtain one of the data symbol groups. The data symbol includes: the base station demodulating data carried by the first time slot of the first response information channel and the second time slot of the second response information channel to obtain one data symbol of the data symbol group; or Decoding a data carried by the first time slot of the first response information channel, the third time slot of the first response information channel, and the second time slot of the second response information channel to obtain a data symbol of the data symbol group The base station demodulates data carried by the response information channel corresponding to the response information channel group to obtain another data symbol of the data symbol group, including: the fourth time slot of the base station to the second response information channel Demodulation is performed to obtain another data symbol of the data symbol group.
17、 根据权利要求 11所述的应答信息的接收方法, 其特征在于, 当所述 基站为用户设备配置了两个下行成员载波,每个下行成员载波分配了两个应答 信息信道时, 所述应答信息映射表具体为: The method for receiving response information according to claim 11, wherein when the base station configures two downlink component carriers for the user equipment, and each downlink component carrier allocates two response information channels, the The response information mapping table is specifically:
待反馈的应答信息 应答信 Response information to be sent back
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK
(0) (1) (2) (3) 组 数据符号组 (0) (1) (2) (3) Group Data symbol group
ACK ACK ACK ACK ( 0, (a0, al) _l ACK ACK ACK ACK ( 0, (a0, al) _l
1 )
(b0, bl)_l1 ) (b0, bl)_l
ACK NACK/DTX ACK ACK (2, 3) ACK NACK/DTX ACK ACK (2, 3)
(aO, al)_2 (aO, al)_2
NACK/DTX ACK ACK ACK (0, 1) NACK/DTX ACK ACK ACK (0, 1)
(b0, bl)_2 (b0, bl)_2
NACK/DTX NACK/DTX ACK ACK (2, 3) NACK/DTX NACK/DTX ACK ACK (2, 3)
(a0, al)_3 (a0, al)_3
ACK ACK ACK NACK/DTX (0, 1) ACK ACK ACK NACK/DTX (0, 1)
(b0, bl)_3 (b0, bl)_3
ACK NACK/DTX ACK NACK/DTX (2, 3) ACK NACK/DTX ACK NACK/DTX (2, 3)
(aO, al)_4 (aO, al)_4
NACK/DTX ACK ACK NACK/DTX (0, 1) NACK/DTX ACK ACK NACK/DTX (0, 1)
(b0, bl)_4 (b0, bl)_4
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3)
(b0, bl)_5 (b0, bl)_5
ACK ACK NACK/DTX ACK (2, 3) ACK ACK NACK/DTX ACK (2, 3)
(b0, bl)_6 (b0, bl)_6
ACK NACK/DTX NACK/DTX ACK (2, 3) ACK NACK/DTX NACK/DTX ACK (2, 3)
(b0, bl)_7 (b0, bl)_7
NACK/DTX ACK NACK/DTX ACK (2, 3) NACK/DTX ACK NACK/DTX ACK (2, 3)
(b0, bl)_8 (b0, bl)_8
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3)
(a0, al)_5 (a0, al)_5
ACK ACK NACK/DTX NACK/DTX (0, 1) ACK ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_6 (a0, al)_6
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
(aO, al)_7 (aO, al)_7
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1)
(aO, al)_8 (aO, al)_8
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1)
(aO, al)_8 (aO, al)_8
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) NACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应 的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设
备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1 )表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3 )表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3 , 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道; (a0, al)— i表示数据符号组, i=l , 2, 8, 当 i取不同的值时表 示不同的数据符号组, (b0, bl)J表示数据符号组, j=l , 2, 8, 当 j取不 同的值时表示不同的数据符号组。 The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second codeword on the second downlink component carrier. Corresponding receiving response information; ACK indicates that the user equipment receives the correct codeword, and NACK indicates that the user sets The codeword receives an error, DTX indicates that the user equipment does not receive the codeword, NACK/DTX indicates that the user equipment receives the codeword error or does not receive the codeword; (0, 1) indicates a response information channel group, including the response information. Channel 0 and response information channel 1, response information channel 0 and response information channel 1 are respectively two response information channels allocated by the base station for the first downlink component carrier, and (2, 3) represents another response information channel group. The response information channel 2 and the response information channel 3 are included, and the response information channel 2 and the response information channel 3 are respectively two response information channels allocated by the base station for the second downlink component carrier; (a0, al) - i represents a data symbol Group, i=l, 2, 8, when i takes different values, it means different data symbol groups, (b0, bl)J represents data symbol group, j=l, 2, 8, when j takes different values Represents a different set of data symbols.
18、 根据权利要求 17所述的应答信息的接收方法, 其特征在于, 每一组 数据符号组 (a0, al)— i中, a0的取值为数据符号 Qm中的其中一个, al的取值 为 Qm中的其中一个, m=0, 1 , 2, 3 , 所述 Qm的取值如下表所示;
18. The response information receiving method according to claim 17, wherein each set of data symbols (a0, al) - i, the value of a0 in which a data symbol of Q m, of Al The value is one of Q m , m=0, 1 , 2, 3 , and the value of the Q m is as shown in the following table;
Q2 = J Q 2 = J
当 i取不同的值时, 数据符号组 (a0, al)— i中的 a0分别的取值不同, 或者 al分别的取值不同, 或者 a0和 al的取值分别都不同; 每一组数据符号组 (b0, bl)J中, b0的取值为数据符号 Qm中的其中一个, bl 的取值为 (^中的其中一个, m=0, 1 , 2, 3 , Qm的取值如上表所示, 当 j 取不同的值时, 数据符号组 (b0, bl)J中的 b0分别的取值不同, 或者 bl分 别的取值不同, 或者 b0和 bl的取值分别都不同。 When i takes different values, the values of a0 in the data symbol group (a0, al)-i are different, or the values of al are different, or the values of a0 and al are different; each set of data In the symbol group (b0, bl) J, the value of b0 is one of the data symbols Q m , and the value of bl is one of (^, m=0, 1 , 2, 3 , Q m The values are as shown in the above table. When j takes different values, the values of b0 in the data symbol group (b0, bl) J are different, or the values of bl are different, or the values of b0 and bl are different. .
19、 根据权利要求 17所述的应答信息的接收方法, 其特征在于, 每一组 数据符号组 (a0, al)— i中, a0的取值为数据符号 Pm中的其中一个, m=0, 1 , 2, 所述 Pm的取值如下表所示:
p0 =1 19. The response information receiving method according to claim 17, wherein each set of data symbols (a0, al) - i, the value of the data symbols a0 P m is one, m = 0, 1 , 2, the value of the P m is shown in the following table: p 0 =1
= exp{j 2π/3} p2 = exp{j 4π/3} 当 i取不同的值时, 数据符号组 (a0, al)— i中的 a0分别的取值不同, 或者 al分别的取值不同, 或者 a0和 al的取值分别都不同; 每一组数据符号组 (bO, bl)J中, bO的取值为数据符号 Pm 的其中一个, bl的取值为 Pm 的其中一个, m=0, 1, 2, Pm的取值如上表所示, 当 j取不 同的值时, 数据符号组 (bO, bl)J 中的 bO分别的取值不同, 或者 bl分别的 取值不同, 或者 bO和 bl的取值分别都不同。 = exp{j 2π/3} p 2 = exp{j 4π/3} When i takes different values, the values of a0 in the data symbol group (a0, al)-i are different, or the respective values of al are taken The values are different, or the values of a0 and al are different. For each set of data symbols (bO, bl) J, the value of bO is one of the data symbols P m , and the value of bl is P m . The values of one, m=0, 1, 2, P m are as shown in the above table. When j takes different values, the values of bO in the data symbol group (bO, bl) J are different, respectively, or bl respectively. The values are different, or the values of bO and bl are different.
20、根据权利要求 11至 19中任一项所述的应答信息的接收方法, 其特征 在于, 当所述基站为用户设备配置了两个下行成员载波,每个下行成员载波分 配了两个应答信息信道时, 所述应答信息映射表具体为: The method for receiving response information according to any one of claims 11 to 19, wherein when the base station configures two downlink component carriers for the user equipment, each downlink component carrier allocates two responses. In the information channel, the response information mapping table is specifically:
待反馈的应答信息 应答信 数据符号组Response information to be sent back to the answer letter data symbol group
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 对应的比特 (0) (1) (2) (3) 组 组 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK bit corresponding to bits (0) (1) (2) (3) Group
ACK ACK ACK ACK (0, 1) ([1, 1】, [1】) ACK ACK ACK ACK (0, 1) ([1, 1], [1])
ACK NACK/DTX ACK ACK (2, 3) ([0, 1】, [1] ) ACK NACK/DTX ACK ACK (2, 3) ([0, 1], [1] )
NACK/DTX ACK ACK ACK (0, 1) ([0, 1】, [1] ) NACK/DTX ACK ACK ACK (0, 1) ([0, 1], [1] )
NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1】, [1]) NACK/DTX NACK/DTX ACK ACK (2, 3) ([1, 1], [1])
ACK ACK ACK NACK/DTX (0, 1) ([1, 0】, [1] ) ACK ACK ACK NACK/DTX (0, 1) ([1, 0], [1] )
ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0】, [1] ) ACK NACK/DTX ACK NACK/DTX (2, 3) ([0, 0], [1] )
NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0】, [1] )
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1】) NACK/DTX ACK ACK NACK/DTX (0, 1) ([0, 0], [1] ) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) ([1, 0], [1])
ACK ACK NACK/DTX ACK (2, 3) ([1, 1】, [0]) ACK ACK NACK/DTX ACK (2, 3) ([1, 1], [0])
ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0】, [0] ) ACK NACK/DTX NACK/DTX ACK (2, 3) ([1, 0], [0] )
NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1】, [0] ) NACK/DTX ACK NACK/DTX ACK (2, 3) ([0, 1], [0] )
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0】, [0] ) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) ([0, 0], [0] )
ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1】, [0] ) ACK ACK NACK/DTX NACK/DTX (0, 1) ([1, 1], [0] )
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0】, [0] ) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([1, 0], [0] )
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1】, [0] ) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) ([0, 1], [0] )
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0】, [0] ) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) ([0, 0], [0] )
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([0, 0】, [0] ) NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ([0, 0], [0] )
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应 的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设 备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1)表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3)表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3, 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道, ([1, 1】, [1】) 、 ([0, 1】, [1】) 、 ([1, 0】, [1】) 、 ([1, 1】, [0】) 、 ([1, 0】, [0】) 、 ([0, 1】, [0] ) 、 ([0, 0], [0] ) 、 ([0, 0], [1】)分别表示在不同的待反
馈的应答信息下需要反馈的数据符号组对应的比特符号组。 The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second codeword on the second downlink component carrier. Corresponding receiving response information; ACK indicates that the user equipment correctly receives the codeword, NACK indicates that the user equipment receives the codeword error, DTX indicates that the user equipment does not receive the codeword, and NACK/DTX indicates that the user equipment receives the error or does not receive the codeword. To the codeword; (0, 1) represents a response information channel group, including the response information channel 0 and the response information channel 1, and the response information channel 0 and the response information channel 1 are respectively allocated by the base station for the first downlink component carrier. Two response information channels, (2, 3) representing another response information channel group, including a response information channel 2 and a response information channel 3, and the response information channel 2 and the response information channel 3 are respectively the second base station. Two acknowledgment information channels allocated by the downlink member carrier, ([1, 1], [1]), ([0, 1], [1]), ([1, 0], [1]), ([ 1, 1], [0]), ([1, 0], [0]), ([0, 1], [0] ), ([0, 0], [0] ), ([0, 0], [1]) respectively indicate that they are different The bit symbol group corresponding to the data symbol group that needs to be fed back under the feedback information.
21、 一种用户设备, 其特征在于, 包括: 应答信息生成单元,用于生成所述用户设备接收到的下行成员载波承载的 数据对应的应答信息; 查找单元, 用于查找应答信息映射表,找到与所述应答信息相对应的应答 信息信道组和数据符号组,所述应答信息映射表中的不同的应答信息信道组所 包括的应答信息信道不相同; 映射单元 ,用于将所述数据符号组中的每一个数据符号分别映射到至少一 个应答信息信道; A user equipment, comprising: a response information generating unit, configured to generate response information corresponding to data carried by the downlink component carrier received by the user equipment; and a searching unit, configured to search a response information mapping table, Finding a response information channel group and a data symbol group corresponding to the response information, wherein different response information channel groups included in the response information mapping table are different in response information channels; a mapping unit configured to use the data Each of the data symbols in the symbol group is mapped to at least one response information channel;
数据符号组发送单元,用于在所述映射到的应答信息信道上将所述数据符 号组中的数据符号发送给所述基站。 And a data symbol group sending unit, configured to send the data symbols in the data symbol group to the base station on the mapped response information channel.
22、 根据权利要求 21所述的用户设备, 其特征在于, 所述映射单元具体 用于将所述数据符号组中的每一个数据符号分别映射到一个应答信息信道; 或,所述映射单元具体用于将所述数据符号组中的每一个数据符号都映射 到两个应答信息信道。 The user equipment according to claim 21, wherein the mapping unit is specifically configured to map each data symbol in the data symbol group to a response information channel respectively; or, the mapping unit is specific For mapping each data symbol in the data symbol group to two response information channels.
23、 根据权利要求 22所述的用户设备, 其特征在于, 所述数据符号组包 括两个数据符号,所述映射单元具体用于将所述数据符号组中的一个数据符号 映射到两个应答信息信道;将所述数据符号组中的另一个数据符号映射到一个 应答信息信道。 The user equipment according to claim 22, wherein the data symbol group includes two data symbols, and the mapping unit is specifically configured to map one data symbol in the data symbol group to two responses. An information channel; mapping another data symbol in the set of data symbols to a response information channel.
24、 根据权利要求 21所述的用户设备, 其特征在于, 当所述基站为所述 用户设备配置了两个下行成员载波,每个下行成员载波分配了两个应答信息信 道时, 所述查找单元具体用于查找如下所述的应答信息映射表: The user equipment according to claim 21, wherein when the base station configures two downlink component carriers for the user equipment, and each downlink component carrier allocates two response information channels, the searching The unit is specifically used to look up the response information mapping table as follows:
待反馈的应答信息 应答信 Response information to be sent back
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK
(0) (1) (2) (3) 组 数据符号组
(aO, al)_l(0) (1) (2) (3) Group data symbol group (aO, al)_l
ACK ACK ACK ACK (0, 1) ACK ACK ACK ACK (0, 1)
(b0, bl)_l (b0, bl)_l
ACK NACK/DTX ACK ACK (2, 3) ACK NACK/DTX ACK ACK (2, 3)
(aO, al)_2 (aO, al)_2
NACK/DTX ACK ACK ACK (0, 1) NACK/DTX ACK ACK ACK (0, 1)
(b0, bl)_2 (b0, bl)_2
NACK/DTX NACK/DTX ACK ACK (2, 3) NACK/DTX NACK/DTX ACK ACK (2, 3)
(a0, al)_3 (a0, al)_3
ACK ACK ACK NACK/DTX (0, 1) ACK ACK ACK NACK/DTX (0, 1)
(b0, bl)_3 (b0, bl)_3
ACK NACK/DTX ACK NACK/DTX (2, 3) ACK NACK/DTX ACK NACK/DTX (2, 3)
(aO, al)_4 (aO, al)_4
NACK/DTX ACK ACK NACK/DTX (0, 1) NACK/DTX ACK ACK NACK/DTX (0, 1)
(b0, bl)_4 (b0, bl)_4
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3)
(b0, bl)_5 (b0, bl)_5
ACK ACK NACK/DTX ACK (2, 3) ACK ACK NACK/DTX ACK (2, 3)
(b0, bl)_6 (b0, bl)_6
ACK NACK/DTX NACK/DTX ACK (2, 3) ACK NACK/DTX NACK/DTX ACK (2, 3)
(b0, bl)_7 (b0, bl)_7
NACK/DTX ACK NACK/DTX ACK (2, 3) NACK/DTX ACK NACK/DTX ACK (2, 3)
(b0, bl)_8 (b0, bl)_8
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) NACK/DTX NACK/DTX NACK/DTX ACK (2, 3)
(a0, al)_5 (a0, al)_5
ACK ACK NACK/DTX NACK/DTX (0, 1) ACK ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_6 (a0, al)_6
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
(aO, al)_7 (aO, al)_7
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1)
(aO, al)_8 (aO, al)_8
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1)
(aO, al)_8 (aO, al)_8
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) NACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应
的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设 备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1 )表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3 )表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3 , 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道; (aO, al)— i表示数据符号组, i=l , 2, 8, 当 i取不同的值时表 示不同的数据符号组, (b0, bl)J表示数据符号组, j=l , 2, 8, 当 j取不 同的值时表示不同的数据符号组。 The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) indicating the first codeword corresponding to the second downlink component carrier Receive response information, HARQ-ACK (3) indicates the reception response information corresponding to the second codeword on the second downlink component carrier; ACK indicates that the user equipment correctly receives the codeword, and NACK indicates that the user equipment receives the error on the codeword DTX indicates that the user equipment does not receive the codeword, NACK/DTX indicates that the user equipment receives the codeword error or does not receive the codeword; (0, 1) indicates a response information channel group, including the response information channel 0 and the response information channel. 1 . The response information channel 0 and the response information channel 1 are respectively two response information channels allocated by the base station for the first downlink component carrier, and (2, 3) represents another response information channel group, including the response information channel 2 and The response information channel 3, the response information channel 2 and the response information channel 3 are respectively two response information channels allocated by the base station for the second downlink component carrier; (aO, al) - i represents a data symbol group, i = l, 2, 8, when i takes different values, it represents different data symbol groups, (b0, bl) J represents the data symbol group, j=l, 2, 8, when j takes different values, it represents different data symbol groups. .
25、 一种基站, 其特征在于, 包括: 检测单元, 用于检测出用户设备用于反馈应答信息的应答信息信道组, 所 述应答信息信道组中的每一个应答信息信道都映射有数据符号组中的至少一 个数据符号; 解调单元, 用于在检测出的应答信息信道组对应的应答信息信道上, 解调 所述应答信息信道承载的数据得到一数据符号组; 查找单元, 用于通过检测出的应答信息信道组和解调得到的数据符号组, 查找应答信息映射表, 得到所述用户设备反馈的应答信息。 A base station, comprising: a detecting unit, configured to detect a response information channel group used by the user equipment to feed back response information, where each response information channel in the response information channel group is mapped with a data symbol At least one data symbol in the group; a demodulation unit, configured to demodulate data carried by the response information channel to obtain a data symbol group on the response information channel corresponding to the detected response information channel group; The response information mapping table is searched by the detected response information channel group and the demodulated data symbol group, and the response information fed back by the user equipment is obtained.
26、 根据权利要求 25所述的基站, 其特征在于, 所述解调单元具体用于 对所述应答信息信道组中的每一个应答信息信道承载的数据进行解调,分别得 到所述数据符号组中的一个数据符号; The base station according to claim 25, wherein the demodulation unit is configured to demodulate data carried by each of the response information channels in the response information channel group to obtain the data symbols respectively. a data symbol in the group;
或 ,所述解调单元具体用于对所述应答信息信道组中的全部两个应答信息 信道承载的数据进行解调 ,得到所述数据符号组中的每一个同时映射在该两个 应答信息信道上的数据符号。 Or the demodulation unit is configured to demodulate data carried by all two response information channels in the response information channel group, and obtain that each of the data symbol groups is simultaneously mapped to the two response information. The data symbol on the channel.
27、 根据权利要求 25所述的基站, 其特征在于, 所述数据符号组包括两 个数据符号;
所述解调单元具体用于对所述应答信息信道组对应的两个应答信息信道 承载的数据进行解调,得到所述数据符号组的一个数据符号; 对所述应答信息 信道组对应的一个应答信息信道承载的数据进行解调,得到所述数据符号组的 另一个数据符号。 The base station according to claim 25, wherein the data symbol group includes two data symbols; The demodulation unit is configured to demodulate data carried by two response information channels corresponding to the response information channel group to obtain one data symbol of the data symbol group; and corresponding to the response information channel group The data carried by the response information channel is demodulated to obtain another data symbol of the data symbol group.
28、 根据权利要求 25所述的基站, 其特征在于, 当所述基站配置了两个 下行成员载波,每个下行成员载波分配了两个应答信息信道时, 所述查找单元 具体用于查找如下所述的应答信息映射表: The base station according to claim 25, wherein when the base station is configured with two downlink component carriers, and each downlink component carrier is allocated two response information channels, the searching unit is specifically configured to look up as follows: The response information mapping table:
待反馈的应答信息 应答信 Response information to be sent back
HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK 息信道 HARQ-ACK HARQ-ACK HARQ-ACK HARQ-ACK
(0) (1) (2) (3) 组 数据符号组 (0) (1) (2) (3) Group Data symbol group
(a0, al)_l (a0, al)_l
ACK ACK ACK ACK (0, 1) ACK ACK ACK ACK (0, 1)
(b0, bl)_l (b0, bl)_l
ACK NACK/DTX ACK ACK (2, 3) ACK NACK/DTX ACK ACK (2, 3)
(aO, al)_2 (aO, al)_2
NACK/DTX ACK ACK ACK (0, 1) NACK/DTX ACK ACK ACK (0, 1)
(b0, bl)_2 (b0, bl)_2
NACK/DTX NACK/DTX ACK ACK (2, 3) NACK/DTX NACK/DTX ACK ACK (2, 3)
(a0, al)_3 (a0, al)_3
ACK ACK ACK NACK/DTX (0, 1) ACK ACK ACK NACK/DTX (0, 1)
(b0, bl)_3 (b0, bl)_3
ACK NACK/DTX ACK NACK/DTX (2, 3) ACK NACK/DTX ACK NACK/DTX (2, 3)
(aO, al)_4 (aO, al)_4
NACK/DTX ACK ACK NACK/DTX (0, 1) NACK/DTX ACK ACK NACK/DTX (0, 1)
(b0, bl)_4 (b0, bl)_4
NACK/DTX NACK/DTX ACK NACK/DTX (2, 3) NACK/DTX NACK/DTX ACK NACK/DTX (2, 3)
(b0, bl)_5 (b0, bl)_5
ACK ACK NACK/DTX ACK (2, 3) ACK ACK NACK/DTX ACK (2, 3)
(b0, bl)_6 (b0, bl)_6
ACK NACK/DTX NACK/DTX ACK (2, 3) ACK NACK/DTX NACK/DTX ACK (2, 3)
(b0, bl)_7 (b0, bl)_7
NACK/DTX ACK NACK/DTX ACK (2, 3) NACK/DTX ACK NACK/DTX ACK (2, 3)
(b0, bl)_8 (b0, bl)_8
NACK/DTX NACK/DTX NACK/DTX ACK (2, 3)
(aO, al)_5NACK/DTX NACK/DTX NACK/DTX ACK (2, 3) (aO, al)_5
ACK ACK NACK/DTX NACK/DTX (0, 1) ACK ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_6 (a0, al)_6
ACK NACK/DTX NACK/DTX NACK/DTX (0, 1) ACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
(aO, al)_7 (aO, al)_7
NACK/DTX ACK NACK/DTX NACK/DTX (0, 1) NACK/DTX ACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_8 (a0, al)_8
NACK/DTX NACK NACK/DTX NACK/DTX (0, 1) NACK/DTX NACK NACK/DTX NACK/DTX (0, 1)
(a0, al)_8 (a0, al)_8
NACK NACK/DTX NACK/DTX NACK/DTX (0, 1) NACK NACK/DTX NACK/DTX NACK/DTX (0, 1)
DTX DTX NACK/DTX NACK/DTX 不发送任何数据 DTX DTX NACK/DTX NACK/DTX does not send any data
其中, HARQ-ACK(O)表示第一个下行成员载波上的第一个码字对应的接 收应答信息, HARQ-ACK(l)表示第一个下行成员载波上的第二个码字对应的 接收应答信息, HARQ-ACK(2)表示第二个下行成员载波上的第一个码字对应 的接收应答信息, HARQ-ACK(3)表示第二个下行成员载波上的第二个码字对 应的接收应答信息; ACK表示用户设备对码字接收正确, NACK表示用户设 备对码字接收错误, DTX表示用户设备没有接收到码字, NACK/DTX表示用 户设备对码字接收错误或没有接收到码字; (0, 1)表示一个应答信息信道组, 包括应答信息信道 0和应答信息信道 1 , 应答信息信道 0和应答信息信道 1分 别是所述基站为第一个下行成员载波分配的两个应答信息信道, (2, 3)表示 另一个应答信息信道组, 包括应答信息信道 2和应答信息信道 3, 应答信息信 道 2和应答信息信道 3分别是所述基站为第二个下行成员载波分配的两个应答 信息信道; (aO, al)— i表示数据符号组, i=l, 2, 8, 当 i取不同的值时表 示不同的数据符号组, (b0, bl)J表示数据符号组, j=l, 2, 8, 当 j取不 同的值时表示不同的数据符号组。
The HARQ-ACK (0) represents the reception response information corresponding to the first codeword on the first downlink component carrier, and the HARQ-ACK (1) represents the second codeword corresponding to the first downlink component carrier. Receiving response information, HARQ-ACK (2) represents the reception response information corresponding to the first codeword on the second downlink component carrier, and HARQ-ACK (3) represents the second codeword on the second downlink component carrier. Corresponding receiving response information; ACK indicates that the user equipment correctly receives the codeword, NACK indicates that the user equipment receives the codeword error, DTX indicates that the user equipment does not receive the codeword, and NACK/DTX indicates that the user equipment receives the error or does not receive the codeword. To the codeword; (0, 1) represents a response information channel group, including the response information channel 0 and the response information channel 1, and the response information channel 0 and the response information channel 1 are respectively allocated by the base station for the first downlink component carrier. Two response information channels, (2, 3) represent another response information channel group, including response information channel 2 and response information channel 3, and response information channel 2 and response information channel 3 are respectively The base station allocates two response information channels for the second downlink component carrier; (aO, al) - i represents a data symbol group, i = 1, 2, 8, and when i takes different values, represents different data symbol groups, (b0, bl) J denotes a data symbol group, j=l, 2, 8. When j takes a different value, it represents a different data symbol group.
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