WO2015135496A1 - 一种ue、基站中非授权频谱上的传输方法和设备 - Google Patents
一种ue、基站中非授权频谱上的传输方法和设备 Download PDFInfo
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- WO2015135496A1 WO2015135496A1 PCT/CN2015/074174 CN2015074174W WO2015135496A1 WO 2015135496 A1 WO2015135496 A1 WO 2015135496A1 CN 2015074174 W CN2015074174 W CN 2015074174W WO 2015135496 A1 WO2015135496 A1 WO 2015135496A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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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
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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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 a scheme for utilizing unlicensed spectrum communication in a wireless communication system, and more particularly to a communication method and apparatus for unlicensed spectrum based on LTE (Long Term Evolution).
- LTE Long Term Evolution
- a user equipment can be configured with no more than five serving cells, and the serving cell includes downlink physical resources and possible uplink physical resources.
- the physical resource is a frequency band
- the physical resource is a frequency band and a subframe.
- the UE sends a PUSCH (Physical Uplink Shared Channel) data on the uplink physical resource, and receives a HARQ (Hybrid Automatic Repeat Request)_ACK (HARQ_ACK, response) determination. Whether the PUSCH data is correctly received.
- PUSCH Physical Uplink Shared Channel
- HARQ_ACK Hybrid Automatic Repeat Request
- the HARQ_ACK is transmitted on a PHICH (Physical HARQ Indicator Channel).
- PHICH Physical HARQ Indicator Channel
- the LTE system adopts synchronous PUSCH retransmission, that is, if a NACK is received, retransmission data is transmitted according to the same scheduling as the initial transmission, and the retransmission data is transmitted in a predefined subframe.
- the UE may be configured with more uplink carriers in consideration of the uncontrollable/predicted interference level, and the base station adopts DFS (Dynamical Frequency Selection) (in the given subframe) from the optional A part of the uplink carriers are selected from the uplink carriers for transmission of PUSCH data.
- DFS Dynamic Frequency Selection
- the bandwidth of the unlicensed spectrum is large, for example, there is only about 500 MHz of available unlicensed spectrum near the 5 GHz carrier frequency, the number of carriers that the UE can work on may be larger (far greater than 5).
- Synchronous uplink HARQ limits the application of DFS, that is, DFS operation cannot be performed before the end of HARQ retransmission
- PHICH resources are reserved, that is, a certain PHICH resource needs to be reserved for each DFS candidate uplink carrier, especially when the number of DFS candidate uplink carriers is large.
- the present invention discloses a transmission method and device on an unlicensed spectrum in a UE and a base station.
- the invention discloses a transmission method on an unlicensed spectrum in a UE, which comprises the following steps:
- Step A Receive high layer signaling to obtain S and V, the S is L group configuration information, the V is N sets of logical information, the configuration information includes a carrier index and a working frequency band, and the logical information includes at least the following One:
- the antenna information including transmission mode
- Cross-carrier information comprising a serving cell index
- Step B Receive a first DCI, where the first DCI includes a virtual index, a physical index, and scheduling information, where the scheduling information includes a DMRS (Demodulation Reference Signal) cyclic shift indication;
- DMRS Demodulation Reference Signal
- step C transmitting the first uplink data according to the scheduling information in the first DCI on the working frequency band in the first configuration information in the given subframe;
- the first DCI complies with the configuration of the first logical information, where the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- Said S The operating frequency band in the operating frequency band belongs to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical index in the first DCI. Group the configuration information.
- the DMRS cyclic shift indicates a cyclic shift parameter of the DMRS used by the dynamic configuration uplink data.
- the DMRS cyclic shift indication includes 3 bits, and the cyclic shift mapping of the uplink DMRS refers to TS36.211. Table 5.5.2.1.1-1.
- the logical carrier is identified by using logical information, and the identification of the logical carrier is determined by whether the virtual index carried in the DCI is equal to the carrier logical index in the corresponding logical information.
- the PUSCHs scheduled by the DCI carrying the same virtual index belong to the same logical carrier, and share configurations of corresponding logical information, such as transmission mode cross-carrier information and the like.
- the configuration that the first DCI complies with the first logical information includes at least one of the following:
- the first DCI is transmitted on the serving cell indicated by the serving cell index in the first logical information
- the first DCI optional format is indicated by the transmission mode in the first logical information
- the first uplink data can be indicated by the antenna information in the first logical information using 4 antenna ports.
- the configuration information includes all or part of information in PhysicalConfigDedicatedSCell-r10 and RadioResourceConfigCommonSCell-r10.
- the activation/deactivation status of the configuration information in the V is set to an active state by MAC-Media Access Control signaling.
- the operating frequency band includes a carrier center frequency and a carrier bandwidth.
- the operating frequency band includes a download frequency and an upload frequency.
- the carrier logical index is a positive integer less than 8 - 3 bits are used to represent the carrier logical index and 0 is configured for the primary cell.
- the antenna information includes all or part of the information of AntennaInfoUL-r10 in LTE.
- the cross-carrier information includes all or part of the information of the crossCarrierSchedulingConfig in LTE.
- the high layer signaling is radio resource control (RRC-Radio) Resource Control).
- RRC-Radio radio resource control
- the uplink data is transmitted on the PUSCH.
- the logic information includes the cross-carrier information, where the first DCI is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information.
- the N is 1.
- the configuration information further includes at least one of the following:
- the cell physical identity is a positive integer from 0 to 503
- the PUSCH configuration information including a DMRS cyclic shift offset
- the DMRS cyclic shift offset is an integer from 0 to 11.
- the cyclic shift of the DMRS of the first uplink data is determined by the sum of the DMRS cyclic shift indication in the first DCI and the DMRS cyclic shift offset in the first configuration information.
- the cell physical identifier is used for the uplink data sent on the working bandwidth in the corresponding configuration information and the scrambling operation of the reference signal.
- the power control configuration information includes all or part of information in the uplinkPowerControlDedicatedSCell and the UplinkPowerControlCommonSCell.
- the PUSCH configuration information includes all or part of information of PUSCH-ConfigDedicatedSCell and pusch-ConfigCommon-r10.
- the SRS configuration information includes all or part of the information of the soundingRS-UL-ConfigCommon-r10.
- the Vs share the same transmission mode.
- the method further includes the following steps:
- Step D Receive downlink signaling to obtain HARQ_ACK information for the first uplink data, where the downlink signaling is transmitted on the downlink resource of the serving cell identified by the cross-carrier information in the first logical information, and the occupied HARQ_ACK information Physical resources are determined by at least one of the following set:
- the physical resource is determined according to a PHICH scheme of LTE, and the PHICH scheme of the LTE assumes that the n DMRS is a DMRS cyclic shift indication. Is the lowest PRB index.
- the physical resource is indexed among them Is the PHICH group number, Is the sequence index in the PHICH group:
- n DMRS is determined by a DMRS cyclic shift indication in the first DCI
- I PRB_RA is determined by the lowest PRB index.
- I PRB_RA indicates the lowest PRB index (or plus 1) occupied by the given TB on the first time slot of the PUSCH, mod indicates the remainder
- I PHICH is the adjustment parameter used by the TDD UL/DL frame structure #0. (0 for other frame structures)
- the representation is an expansion factor. For a more detailed description, refer to Section 9.1.2 of TS36.213.
- the method further includes the following steps:
- Step E Transmitting retransmission data of the first uplink data, the transmission band of the retransmission data being one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- the invention discloses a transmission method on an unlicensed spectrum in a base station, which comprises the following steps:
- Step A Sending high layer signaling indications S and V, the S is L group configuration information, the V is N sets of logical information, the configuration information includes a carrier index and a working frequency band, and the logical information includes at least the following One:
- the antenna information including transmission mode
- Cross-carrier information comprising a serving cell index
- Step B Sending a first DCI, the first DCI includes a virtual index, a physical index, and scheduling information, where the scheduling information includes a DMRS cyclic shift indication;
- a step C receiving, in a given frequency band, a first uplink data according to scheduling information in the first DCI;
- the first DCI complies with the configuration of the first logical information, where the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- the working frequency bands in the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical in the first DCI.
- a set of said configuration information indexed.
- the logic information includes the cross-carrier information, where the first DCI is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information.
- the carrier logical index is a positive integer less than 8.
- the configuration information further includes at least one of the following
- the cell physical identity is a positive integer from 0 to 503
- the PUSCH configuration information including a DMRS cyclic shift offset
- the cell physical identifier is used for scrambling operation of uplink data and reference signals received on the working bandwidth in the corresponding configuration information.
- the Vs share the same transmission mode.
- the antenna information of the N sets of logical information is configured by a common information particle (IE-Information Element) or is predetermined.
- IE-Information Element a common information particle
- the method further includes the following steps:
- Step D Sending downlink signaling indicating HARQ_ACK information for the first uplink data, the downlink signaling is downlink of the serving cell identified by the cross-carrier information in the first logical information Transmitted on the resource, the occupied physical resource of the HARQ_ACK information is determined by at least one of the following:
- the physical resource is determined according to a PHICH scheme of LTE, and the PHICH scheme of the LTE assumes that the n DMRS is a DMRS cyclic shift indication. Is the lowest PRB index.
- the method further includes the following steps:
- the transmission frequency band of the retransmission data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- the transmission frequency band of the retransmission data is the option 2, that is, one uplink HARQ process may be distributed on different transmission frequency bands, the limitation of the traditional synchronous uplink HARQ to DFS is avoided.
- the downlink signaling is one of the following:
- the HARQ retransmission data and the initial transmission data adopt the same scheduling scheme except for the frequency bands.
- scheduling information which is essentially asynchronous upstream HARQ.
- the invention discloses a user equipment, and the user equipment comprises:
- the first module is configured to receive high-level signaling to obtain S and V, where S is L group configuration information, the V is N sets of logical information, the configuration information includes a carrier index and a working frequency band, and the logical information includes the following: At least one:
- the antenna information including transmission mode
- Cross-carrier information comprising a serving cell index
- a second module configured to receive a first DCI, where the first DCI includes a virtual index, a physical index, and scheduling information, where the scheduling information includes a DMRS cyclic shift indication;
- a third module configured to send the first uplink data according to the scheduling information in the first DCI on the working frequency band in the first configuration information in the given subframe;
- the first DCI complies with the configuration of the first logical information, where the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- the working frequency bands in the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical in the first DCI.
- a set of said configuration information indexed.
- the user equipment further includes:
- the fourth module is configured to receive downlink signaling to obtain HARQ_ACK information for the first uplink data, where the downlink signaling is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information, where the HARQ_ACK information is
- the occupied physical resources are determined by at least one of the following:
- the fifth module is configured to send retransmission data of the first uplink data, where the transmission frequency band of the retransmission data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- the present invention discloses a base station device, where the base station device includes:
- the first module is configured to send high-level signaling indications S and V, the S is L group configuration information, the V is N sets of logical information, the configuration information includes a carrier index and a working frequency band, and the logical information includes the following: At least one:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- a second module configured to send a first DCI, where the first DCI includes a virtual index, a physical index, and scheduling information, where the scheduling information includes a DMRS cyclic shift indication;
- a third module configured to receive first uplink data according to scheduling information in the first DCI on a working frequency band in the first configuration information in a given subframe;
- the first DCI complies with the configuration of the first logical information, where the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- Said S The operating frequency band in the operating frequency band belongs to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical index in the first DCI. Group the configuration information.
- the base station device further includes:
- the fourth module is configured to send downlink signaling to indicate HARQ_ACK information for the first uplink data, where the downlink signaling is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information, where the HARQ_ACK information is
- the occupied physical resources are determined by at least one of the following:
- the fifth module is configured to receive retransmission data of the first uplink data, where the transmission frequency band of the retransmission data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- the present invention proposes a transmission method and apparatus on unlicensed spectrum, by configuring logical information to make different subcarriers on different physical carriers.
- the PUSCH of the frame transmission forms a logical carrier, and the PHICH resource is reserved for the logical carrier.
- the downlink signaling is sent in the subframe in which the PHICH is transmitted to indicate the transmission bandwidth of the retransmitted data.
- the solution proposed by the invention saves the PHICH resources and eliminates the limitation of the synchronous HARQ to the DFS.
- the present invention reuses the CA scheme in the existing LTE as much as possible, and has better compatibility.
- FIG. 1 shows a flow diagram for transmitting downlink data over an unlicensed spectrum, in accordance with one embodiment of the present invention
- FIG. 2 shows a schematic diagram of a logical carrier that schedules a carrier as an FDD carrier, in accordance with one embodiment of the present invention
- FIG. 3 shows a schematic diagram of a logical carrier that schedules a carrier to be a TDD carrier, in accordance with one embodiment of the present invention
- Figure 4 shows a schematic diagram of a first DCI in accordance with one embodiment of the present invention
- FIG. 5 is a block diagram showing the structure of a processing device in a UE according to an embodiment of the present invention.
- Figure 6 is a block diagram showing the structure of a processing device in a base station according to an embodiment of the present invention.
- Embodiment 1 illustrates a flow chart for transmitting downlink data on an unlicensed spectrum, as shown in FIG.
- base station N1 is the serving base station of UE U2
- steps S14, S15, S24, S25 are optional steps.
- step S11 the high layer signaling indications S and V are transmitted, the S is L group configuration information, the V is N sets of logical information; in step S12, the first DCI is transmitted; in step S13 And receiving, by the given subframe, the first uplink data according to the scheduling information in the first DCI from the working frequency band in the first configuration information.
- step S21 receiving high layer signaling obtains S and V, the S is L group configuration information, the V is N sets of logical information; in step S22, the first DCI is received; in step S23 Transmitting, by the given subframe, the first uplink data according to the scheduling information in the first DCI from the working frequency band in the first configuration information.
- the first DCI includes a virtual index, a physical index, and scheduling information, where the scheduling information includes a DMRS cyclic shift indication, where the first logical information is that the logical index of the carrier in the V is equal to the virtual in the first DCI.
- the working frequency bands in the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical in the first DCI.
- the configuration information includes a carrier index and a working frequency band
- the logic information includes at least one of the following:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- the first DCI complies with at least one of the following in the configuration of the first logical information:
- the first DCI is transmitted on the serving cell indicated by the serving cell index in the first logical information
- the first DCI optional format is indicated by the transmission mode in the first logical information
- the first uplink data can be indicated by the antenna information in the first logical information using 4 antenna ports.
- Preferred sub-embodiment 1 of embodiment 1 is as follows:
- step S14 downlink signaling is transmitted to indicate HARQ_ACK information for the first uplink data; and in step S15, retransmission data of the first uplink data is received.
- step S24 receiving downlink signaling obtains HARQ_ACK information for the first uplink data; and in step S25, transmitting retransmission data of the first uplink data.
- the downlink signaling is transmitted on the downlink resource of the serving cell identified by the cross-carrier information in the first logical information, and the occupied physical resource of the HARQ_ACK information is determined by the following parameters:
- the transmission band of the retransmitted data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- Embodiment 2 illustrates a schematic diagram of a logical carrier in which a carrier is an FDD carrier, as shown in FIG.
- the primary cell is an FDD cell deployed in the licensed spectrum
- the physical carriers CC1 to 2 are deployed in the unlicensed spectrum.
- One of the small squares represents a sub-frame.
- the base station For the base station, first send high-level signaling indications S and V, the S is two sets of configuration information (corresponding to CC1 and CC2, respectively), the V is a set of logical information; then the first DCI is sent; then in the given frame from Receiving, by the working frequency band in the first configuration information, the first uplink data according to the scheduling information in the first DCI; and then sending the downlink signaling indication for the first uplink data HARQ_ACK information; if the HARQ_ACK is a NACK, receiving retransmission data of the first uplink data.
- the S is 2 sets of configuration information (corresponding to CC1 and CC2 respectively), the V is 1 set of logical information; then receiving the first DCI; then in the given frame from Transmitting the first uplink data according to the scheduling information in the first DCI on the working frequency band in the first configuration information; then receiving the downlink signaling to obtain the HARQ_ACK information for the first uplink data; if the HARQ_ACK is the NACK, sending the first uplink again Retransmission of data.
- the first DCI includes a virtual index, a physical index, and scheduling information, where the first DCI complies with the configuration of the first logic information, the scheduling information includes a DMRS cyclic shift indication, and the first logical information is the V
- the medium carrier logical index is equal to a set of the logical information of the virtual index in the first DCI.
- the working frequency bands in the S belong to the unlicensed spectrum, and the first configuration information is a set of the configuration information that the carrier index in the S is equal to the physical index in the first DCI.
- the configuration information includes a carrier index and a working frequency band
- the logic information includes at least one of the following:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- the configuration information further includes at least one of the following
- the cell physical identity is a positive integer from 0 to 503
- the PUSCH configuration information including a DMRS cyclic shift offset
- the downlink signaling is transmitted on the downlink resource of the serving cell identified by the cross-carrier information in the first logic information, and the occupied physical resource of the HARQ_ACK information is determined according to the PHICH scheme of the LTE, and the PHICH of the LTE is determined.
- n DMRS is a DMRS cyclic shift indication in the first DCI, It is the lowest PRB index of the first uplink data in the working frequency band in the first configuration information.
- the physical index in the first DCI indicates CC2
- the corresponding HARQ_ACK (in accordance with the PHICH scheme of LTE) is indicated by the downlink signaling.
- the subframe 4 of the downlink carrier of the primary cell (shown by arrow A1) and the retransmission data are located at subframe 8 of CC2 (indicated by arrow B1).
- the physical index in the first DCI indicates CC1
- the corresponding HARQ_ACK (indicated by the downlink signaling) is located in the subframe 5 of the downlink carrier of the primary cell.
- the retransmission data is located in subframe 9 of CC1 (indicated by arrow B2).
- subframe 0 and subframe 4 the virtual index of the first DCI is the same, so subframes 0 and 8 of CC2 and subframes 1 and 9 of CC1 both comply with the configuration of the first logical information (identified by the virtual index of the first DCI) , constitutes a logical carrier, as shown in Figure 2, where the dashed box indicates the unallocated subframe.
- Embodiment 3 illustrates a schematic diagram of a logical carrier in which a carrier is a TDD carrier, as shown in FIG.
- the primary cell is an FDD cell deployed in the licensed spectrum
- the physical carriers CC3-5 are deployed in the unlicensed spectrum.
- One of the small squares represents a sub-frame.
- the base station For the base station, first send high-level signaling indications S and V, the S is two sets of configuration information (corresponding to CC3 ⁇ 5 respectively), the V is a set of logical information; then the first DCI is sent; then in the given subframe The first uplink data is received according to the scheduling information in the first DCI in the working frequency band in the first configuration information; then the downlink signaling is sent to indicate HARQ_ACK information for the first uplink data; if the HARQ_ACK is NACK, the first uplink is received again. Retransmission of data.
- the S is two sets of configuration information (corresponding to CC3 to 5 respectively), the V is a set of logical information; then receiving the first DCI; and then in the given subframe Transmitting the first uplink data according to the scheduling information in the first DCI on the working frequency band in the first configuration information; then receiving the downlink signaling to obtain the HARQ_ACK information for the first uplink data; if the HARQ_ACK is the NACK, sending the first uplink again Retransmission of data.
- the first DCI includes a virtual index, a physical index, and scheduling information.
- the virtual index in the first DCI includes three bits, and the value ranges from 1 to 7.
- the number of bits and the range of values of the physical index are configurable or predetermined.
- the first DCI complies with the configuration of the first logical information
- the scheduling information includes a DMRS cyclic shift indication
- the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- Place The working frequency bands in the S are all unlicensed spectrums
- the first configuration information is a set of the configuration information in which the carrier index in the S is equal to the physical index in the first DCI.
- the configuration information includes a carrier index and an operating frequency band
- the logic information includes at least one of the following:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- the primary cell adopts the TDD frame structure #0, and the uplink HARQ retransmission supports the DFS.
- the physical index in the first DCI indicates CC4, (according to the PHICH scheme of LTE), the corresponding HARQ_ACK (indicated by the downlink signaling) is located in the subframe 10 of the primary cell (arrow A3) As shown, the retransmission data is located in subframe 14 of CC3 (indicated by the physical index in the downlink signaling) (arrow B3).
- the physical index in the first DCI indicates CC3, (according to the PHICH scheme of LTE), the corresponding HARQ_ACK (indicated by the downlink signaling) is located in the subframe 10 of the primary cell (arrow A4) As shown, the retransmission data is located in subframe 5 of CC5 (indicated by the physical index in the downlink signaling) (arrow B4).
- the virtual index of the first DCI is the same, so subframe 3 of CC4, subframe 4 and subframe 14 of CC3, and subframe 17 of CC5 all comply with the first logical information (by the first DCI).
- the configuration of the virtual index identifier constitutes a logical carrier, as shown in FIG. 3, in which a dashed box indicates an unallocated subframe.
- Embodiment 4 illustrates a schematic diagram of the first DCI, as shown in FIG.
- the first DCI includes a virtual index, a physical index, and scheduling information
- the scheduling information includes a DMRS cyclic shift indication.
- the virtual index in the first DCI includes 3 bits, ranging from 1 to 7.
- the number of bits and the range of values of the physical index are configurable or predetermined.
- the number of bits of the physical index is not less than log 2 L, where L is the number of physical carriers (ie, the number of sets of configuration information in the present invention) that the receiving UE of the first DCI is currently configured in the unlicensed spectrum.
- the scheduling information includes all or part of information bits of LTE DCI format 0.
- the scheduling information includes an LTE DCI. All or part of the information bits of format 4.
- Embodiment 5 exemplifies a structural block diagram of a processing device in one UE, as shown in FIG.
- the UE processing apparatus 200 is mainly composed of a first receiving module 201, a receiving module 202, a first sending module 203, a third receiving module 204, and a second sending module 205, wherein the third receiving module 204 and the second sending module Module 205 is an optional module.
- the first receiving module 201 is configured to receive high-level signaling to obtain S and V, where S is L group configuration information, and the V is N sets of logical information; the receiving module 202 is configured to receive the first DCI; The first uplink data is sent according to the scheduling information in the first DCI on the working frequency band in the first configuration information, and the third receiving module 204 is configured to receive the downlink signaling to obtain the HARQ_ACK information in the first uplink data.
- the second sending module 205 is configured to send retransmission data of the first uplink data.
- the configuration information includes a carrier index and a working frequency band
- the logic information includes at least one of the following:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- the first DCI includes a virtual index, a physical index, and scheduling information, and the scheduling information includes a DMRS cyclic shift indication.
- the first DCI complies with the configuration of the first logical information, and the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- the first DCI is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information.
- the working frequency bands in the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical in the first DCI.
- a set of said configuration information indexed.
- the downlink signaling is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information, and the occupied physical resource of the HARQ_ACK information is determined by at least one of the following:
- the transmission band of the retransmitted data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- Embodiment 6 exemplifies a structural block diagram of a processing device in a base station, as shown in FIG.
- the base station processing apparatus 300 is mainly composed of a third sending module 301, a fourth sending module 302, a fourth receiving module 303, a fifth sending module 304, and a fifth receiving module 305, wherein the fifth sending module 304 and the The five receiving module 305 is an optional module.
- the third sending module 301 is configured to send high-level signaling indications S and V, where S is L group configuration information, the V is N sets of logical information; the fourth sending module 302 is configured to send the first DCI; and the fourth receiving module 303, configured to receive the first uplink data according to the scheduling information in the first DCI on the working frequency band of the first configuration information, and the fifth sending module 304 is configured to send the downlink signaling to indicate the HARQ_ACK for the first uplink data.
- the fifth receiving module 305 is configured to receive retransmission data of the first uplink data, where the transmission frequency band of the retransmission data is one of the following:
- the carrier index in the S is equal to the working frequency band of the set of the configuration information of the physical index in the downlink signaling.
- the configuration information includes a carrier index and a working frequency band
- the logic information includes at least one of the following:
- the antenna information including transmission mode
- Cross-carrier information including a serving cell index
- the first DCI includes a virtual index, a physical index, and scheduling information
- the scheduling information includes a DMRS cyclic shift indication.
- the first DCI complies with the configuration of the first logical information, and the first logical information is a set of the logical information that the carrier logical index in the V is equal to the virtual index in the first DCI.
- the working frequency bands in the S belong to the unlicensed spectrum, the L is a positive integer, the N is a positive integer not greater than the L, and the first configuration information is that the carrier index in the S is equal to the physical in the first DCI.
- a set of said configuration information indexed.
- the downlink signaling is transmitted on a downlink resource of the serving cell identified by the cross-carrier information in the first logic information, and the occupied physical resource of the HARQ_ACK information is determined by the following parameters:
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Abstract
Description
Claims (19)
- 一种UE中非授权频谱上的传输方法,其特征在于,包括如下步骤:-步骤A.接收高层信令获得S和V,所述S是L组配置信息,所述V是N组逻辑信息,所述配置信息包括载波索引和工作频带,所述逻辑信息包括以下至少之一:-载波逻辑索引-天线信息,所述天线信息包括传输模式-跨载波信息,所述跨载波信息包括服务小区索引;-步骤B.接收第一DCI,所述第一DCI包括虚拟索引、物理索引和调度信息,所述调度信息包括DMRS循环移位指示;-步骤C.在给定子帧从第一配置信息中的工作频带上根据第一DCI中的调度信息发送第一上行数据;其中,第一DCI遵守第一逻辑信息的配置,第一逻辑信息是所述V中载波逻辑索引等于第一DCI中的虚拟索引的一组所述逻辑信息;所述S中的工作频带都属于非授权频谱,所述L是正整数,所述N是不大于所述L的正整数,第一配置信息是所述S中载波索引等于第一DCI中的物理索引的一组所述配置信息。
- 根据权利要求1所述的UE中非授权频谱上的传输方法,其特征在于,所述逻辑信息包括所述跨载波信息,第一DCI在第一逻辑信息中的所述跨载波信息标识的服务小区的下行资源上传输。
- 根据权利要求1所述的UE中非授权频谱上的传输方法,其特征在于,所述载波逻辑索引是小于8的正整数。
- 根据权利要求1所述的UE中非授权频谱上的传输方法,其特征在于,所述N为1。
- 根据权利要求1所述的UE中非授权频谱上的传输方法,其特征在于,所述配置信息还包括以下至少之一-小区物理标识,所述小区物理标识是0到503的正整数-功率控制配置信息-PUSCH配置信息,所述PUSCH配置信息包括DMRS循环移位偏移-最大发送功率-SRS配置信息。
- 根据权利要求1所述的UE中非授权频谱上的传输方法,其特征在于,所述V共享相同的传输模式。
- 根据权利要求1至6中任一项所述的UE中非授权频谱上的传输方法,其特征在于,还包括如下步骤:-步骤D.接收下行信令获得针对第一上行数据的HARQ_ACK信息,所述下行信令在第一逻辑信息中的跨载波信息标识的服务小区的下行资源上传输,所述HARQ_ACK信息的占用的物理资源由至少以下之一确定:-第一DCI中的DMRS循环移位指示-第一上行数据在第一配置信息中的工作频带上的最低PRB索引。
- 根据权利要求7或8所述的UE中非授权频谱上的传输方法,其特征在于,还包括如下步骤:-步骤E.发送第一上行数据的重传数据,所述重传数据的传输频带是以下之一:-选项一.在第一配置信息中的工作频带-选项二.所述S中载波索引等于所述下行信令中的物理索引的一组所述配置信息的工作频带。
- 一种基站中非授权频谱上的传输方法,其中,包括如下步骤:-步骤A.发送高层信令指示S和V,所述S是L组配置信息,所述V是N组逻辑信息,所述配置信息包括载波索引和工作频带,所述逻辑信息包括以下至少之一:-载波逻辑索引-天线信息,所述天线信息包括传输模式-跨载波信息,所述跨载波信息包括服务小区索引;-步骤B.发送第一DCI,所述第一DCI包括虚拟索引、物理索引和调度信息,所述调度信息包括DMRS循环移位指示;-步骤C.在给定子帧从第一配置信息中的工作频带上根据第一DCI中的调度信息接收第一上行数据;其中,第一DCI遵守第一逻辑信息的配置,第一逻辑信息是所述V中载波逻辑索引等于第一DCI中的虚拟索引的一组所述逻辑信息;所述S中的工作频带都属于非授权频谱,所述L是正整数,所述N是不大于所述L的正整数,第一配置信息是所述S中载波索引等于第一DCI中的物理索引的一组所述配置信息。
- 根据权利要求10所述的基站中非授权频谱上的传输方法,其特征在于,所述逻辑信息包括所述跨载波信息,第一DCI在第一逻辑信息中的所述跨载波信息标识的服务小区的下行资源上传输。
- 根据权利要求10所述的基站中非授权频谱上的传输方法,其特征在于,所述载波逻辑索引是小于8的正整数。
- 根据权利要求10所述的基站中非授权频谱上的传输方法,其特征在于,所述配置信息还包括以下至少之一-小区物理标识,所述小区物理标识是0到503的正整数-功率控制配置信息-PUSCH配置信息,所述PUSCH配置信息包括DMRS循环移位偏移-最大发送功率-SRS配置信息。
- 根据权利要求10至13中任一项所述的基站中非授权频谱上的传输方法,其特征在于,还包括如下步骤:-步骤D.发送下行信令指示针对第一上行数据的HARQ_ACK信息,所述下行信令在第一逻辑信息中的跨载波信息标识的服务小区的下行资源上传输,所述HARQ_ACK信息的占用的物理资源由至少以下之一确定:-第一DCI中的DMRS循环移位指示-第一上行数据在第一配置信息中的工作频带上的最低PRB索引。
- 根据权利要求14所述的基站中非授权频谱上的传输方法,其特征在于,还包括如下步骤:-步骤E.接收第一上行数据的重传数据,所述重传数据的传输频带是以下之一:-选项一.在第一配置信息中的工作频带-选项二.所述S中载波索引等于所述下行信令中的物理索引的一组所述配置信息的工作频带。
- 一种用户设备,其特征在于,所述用户设备包括:第一模块:用于接收高层信令获得S和V,所述S是L组配置信息,所述V是N组逻辑信息,所述配置信息包括载波索引和工作频带,所述逻辑信息包括以下至少之一:-载波逻辑索引-天线信息,所述天线信息包括传输模式-跨载波信息,所述跨载波信息包括服务小区索引;第二模块:用于接收第一DCI,所述第一DCI包括虚拟索引、物理索引和调度信息,所述调度信息包括DMRS循环移位指示;第三模块:用于在给定子帧从第一配置信息中的工作频带上根据第一DCI中的调度信息发送第一上行数据;其中,第一DCI遵守第一逻辑信息的配置,第一逻辑信息是所述V中载波逻辑索引等于第一DCI中的虚拟索引的一组所述逻辑信息;所述S中的工作频带都属于非授权频谱,所述L是正整数,所述N是不大于所述L的正整数,第一配置信息是所述S中载波索引等于第一DCI中的物理索引的一组所述配置信息。
- 根据权利要求16所述的用户设备,其特征在于,所述用户设备还包括:第四模块:用于接收下行信令获得针对第一上行数据的HARQ_ACK信息,所述下行信令在第一逻辑信息中的跨载波信息标识的服务小区的下行资源上传输,所述HARQ_ACK信息的占用的物理资源由至少以下之一确定:-第一DCI中的DMRS循环移位指示-第一上行数据在第一配置信息中的工作频带上的最低PRB索引;第五模块:用于发送第一上行数据的重传数据,所述重传数据的传 输频带是以下之一:-选项一.在第一配置信息中的工作频带-选项二.所述S中载波索引等于所述下行信令中的物理索引的一组所述配置信息的工作频带。
- 一种基站设备,其特征在于,所述基站设备包括:第一模块:用于发送高层信令指示S和V,所述S是L组配置信息,所述V是N组逻辑信息,所述配置信息包括载波索引和工作频带,所述逻辑信息包括以下至少之一:-载波逻辑索引-天线信息,所述天线信息包括传输模式-跨载波信息,所述跨载波信息包括服务小区索引;第二模块:用于发送第一DCI,所述第一DCI包括虚拟索引、物理索引和调度信息,所述调度信息包括DMRS循环移位指示;第三模块:用于在给定子帧从第一配置信息中的工作频带上根据第一DCI中的调度信息接收第一上行数据;其中,第一DCI遵守第一逻辑信息的配置,第一逻辑信息是所述V中载波逻辑索引等于第一DCI中的虚拟索引的一组所述逻辑信息;所述S中的工作频带都属于非授权频谱,所述L是正整数,所述N是不大于所述L的正整数,第一配置信息是所述S中载波索引等于第一DCI中的物理索引的一组所述配置信息。
- 根据权利要求18所述的基站设备,其特征在于,所述基站设备还包括:第四模块:用于发送下行信令指示针对第一上行数据的HARQ_ACK信息,所述下行信令在第一逻辑信息中的跨载波信息标识的服务小区的下行资源上传输,所述HARQ_ACK信息的占用的物理资源由至少以下之一确定:-第一DCI中的DMRS循环移位指示-第一上行数据在第一配置信息中的工作频带上的最低PRB索引;第五模块:用于接收第一上行数据的重传数据,所述重传数据的传输频带是以下之一:-选项一.在第一配置信息中的工作频带-选项二.所述S中载波索引等于所述下行信令中的物理索引的一组所述配置信息的工作频带。
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US9980151B2 (en) | 2018-05-22 |
US20170134960A1 (en) | 2017-05-11 |
CN104917597B (zh) | 2018-11-23 |
CN104917597A (zh) | 2015-09-16 |
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