Transmission Method and Reception Method for Data and Control Information, Base Station and Terminal

• US 20160142197A1
• Filed: 04/25/2014
• Published: 05/19/2016
• Est. Priority Date: 06/13/2013
• Status: Abandoned Application

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: GUO, Senbao, DAI, Bo, SUN, Yunfeng, ZHANG, Junfeng
• Application Number:
  US14/897,632
• Publication Number:
  US 20160142197A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 7/024 Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
• CPC Class Codes: H04B 7/0626 Channel coefficients, e.g. channel state information [CSI]
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0035 Resource allocation in a cooperative multipoint environment
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0069 Allocation based on distance or geographical location allocation based on terminal or device properties in general, H04W72/51
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0092 Indication of how the channel is divided
• CPC Class Codes: H04L 5/1438 Negotiation of transmission parameters prior to communication modified according to link quality H04L1/0001
• CPC Class Codes: H04W 52/0216 using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/0219 where the power saving management affects multiple terminals
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 74/006 in the downlink, i.e. towards the terminal
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Disclosed in the present invention are a transmission method and a reception method for data and control information, an eNB and a user equipment, wherein the transmission method includes: an eNB transmitting data and/or downlink control information to a user equipment within a service range in TDD special subframes in accordance with specific rules; wherein the specific rules are pre-configured in the eNB or pre-indicated by the eNB to the user equipment via a high-layer signaling; wherein, a serving cell in which the user equipment is located currently performs a coordinated multiple-point (CoMP) transmission with one or more other cells and has an independent TDD special subframe configuration compared with other cells. The eNB includes a memory module and a transmitting module.

Claims

1. A method for transmitting data and control information, comprising:

an eNB transmitting data and/or downlink control information to a user equipment within a service range in time division duplexing (TDD) special subframes in accordance with specific rules;

wherein the specific rules are pre-configured in the eNB or pre-indicated by the eNB to the user equipment via a high-layer signaling;

wherein a serving cell in which the user equipment is located currently performs a coordinated multi-point (CoMP) transmission with one or more other cells and has an independent TDD special subframe configuration compared with the other cells.

2. The method of claim 1, wherein the method further comprises:

the eNB pre-configuring at least one set of non-zero power channel state information reference signal (NZP CSI-RS) configuration for the user equipment via the high-layer signaling, wherein each set of NZP CSI-RS configuration corresponds to one set of TDD special subframe configuration signaling;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the eNB transmitting data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules;

or

wherein the method further comprises;

the eNB pre-configuring at least one channel state information (CSI) process for the user equipment through the high-laver signaling, wherein each CSI process corresponds to one set of TDD special subframe configuration signaling;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the eNB transmitting data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules.

4. The method of claim 1, wherein the eNB transmitting data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules comprises:

the eNB only transmitting data in a cell corresponding to a first NZP CSI-RS;

or,

the eNB only transmitting data in the serving cell in which the user equipment is located or transmitting data to the user equipment according to a TDD special subframe configuration of the serving cell;

or,

the eNB only transmitting data in a cell corresponding to a first CSI process;

or

wherein the method further comprises;

the eNB pre-configuring at least one enhanced physical downlink control channel (EPDCCH) cluster for the user equipment through the high-layer signaling, and respectively configuring one set of TDD special subframe configuration signaling for each EPDCCH cluster;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the eNB transmitting downlink control information to the user equipment within the service range in the TDD special subframes in accordance with the specific rules comprises;

the eNB transmitting the downlink control information to the user equipment in the service range in the TDD special subframe in accordance with a special subframe configuration signaling configured for a first EPDCCH cluster;

or,

for each EPDCCH cluster, the eNB respectively transmitting the downlink control information in the EPDCCH cluster according to a TDD special subframe configuration signaling configured for the EPDCCH cluster;

or,

the eNB transmitting the downlink control information in the TDD special subframes according to a TDD special subframe configuration signaling configured for an EPDCCH cluster of the serving cell in which the user equipment is located;

or

wherein the eNB transmitting the downlink control information to the user equipment in the service range in the TDD special subframes in accordance with the specific rules comprises;

the eNB only transmitting the downlink control information in a cell corresponding to a first EPDCCH cluster;

or, the eNB transmitting the downlink control information in an EPDCCH cluster corresponding to the serving cell in which the user equipment is located.

7. The method of claim 1, wherein the method further comprises:

the eNB pre-configuring N special subframe configuration signalings for the user equipment through the high-layer signaling and indicating to the user equipment one of N special subframe configuration signalings corresponding to subframes which currently transmit data through the value of at least part of information bits in the transmitted downlink control information (DCI);

wherein N is a positive integer;

the eNB transmitting data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules comprising;

the eNB transmitting a physical downlink shared channel (PDSCH) to the user equipment according to a TDD special subframe configuration signaling indicated by the value of information bits in the downlink control information,

preferably, the at least part of the information bits in the DCI are physical downlink shared channel resource element mapping and Quasi-Co-Location indicator (PQI) bits.

8. The method of claim 1, wherein,

the eNB transmitting data and/or downlink control information to the user equipment in the service range in the TDD special subframes in accordance with the specific rules comprises:

if the eNB determines that the user equipment is configured as a specific transmission mode, a DCI format or a specific mode for receiving downlink control information, the eNB transmitting data and/or downlink control information to the user equipment in the TDD special subframes in accordance with the specific rules, wherein the specific mode for receiving downlink control information is an EPDCCH transmission or a PDCCH transmission.

9. The method of claim 8, wherein,

when the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses a demodulation reference signal (DMRS) to transmit a PDSCH to the user equipment in the TDD special subframes, the eNB only transmits the PDSCH in the serving cell in which the user equipment is located;

or

if the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses a DMRS to transmit a PDSCH in the TDD special subframes to the user equipment, and when a DCI Format corresponding to the PDSCH is DCI Format 1A, the eNB only transmits the PDSCH in the serving cell in which the user equipment is located;

or

if the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses a DMRS to transmit a PDSCH to the user equipment in the TDD special subframes, and when a DCI Format corresponding to the PDSCH is DCI Format 1A, the eNB only transmits the PDSCH in the cell corresponding to the first NZP CSI-RS;

or

if the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses a DMRS to transmit a PDSCH to the user equipment in the specific TDD subframes, and when a DCI Format corresponding to the PDSCH is DCI Format 1A, the eNB only transmits the PDSCH in the cell corresponding to the first CSI process;

or

if the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses an EPDCCH to transmit downlink control information to the user equipment in the TDD special subframes, the eNB only transmits the EPDCCH in the serving cell in which the user equipment is located;

or

if the eNB determines that the user equipment is configured as transmission mode 10 and the eNB uses an EPDCCH to transmit downlink control information to the user equipment in the TDD special subframes, the eNB only transmits the EPDCCH in the cell corresponding to the first EPDCCH cluster.

15. The method of claim 2, wherein the eNB pre-indicates to the user equipment a NZP CSI-RS configuration or a CSI process configuration associated with data transmitted by the present eNB to the user equipment through at least part of information bits in the transmitted DCI, and instructs the user equipment to use a TDD special subframe configuration signaling corresponding to the NZP CSI-RS configuration or CSI process configuration to receive data.

17. The method of claim 1, wherein, when a plurality of nodes configured for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes;

or

when a plurality of nodes configured for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, and when a difference between the numbers of OFDM symbols in DwPTS areas of two TDD special subframe configurations is greater than N, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes, wherein N is a positive integer.

3. (canceled)

5-6. -6. (canceled)

10-14. -14. (canceled)

16. (canceled)

18. (canceled)

19. A method for receiving data and control information, comprising:

a user equipment receiving data and/or downlink control information sent by an eNB in time division duplexing (TDD) special subframes according to specific rules;

wherein the specific rules are pre-configured in the user equipment or pre-obtained by receiving a high-layer signaling sent by the eNB;

wherein a serving cell in which the user equipment is located is currently performing a coordinated multi-point transmission with at least one other cell and has an independent TDD special subframe configuration compared with the other cells.

20. The method of claim 19, wherein the method further comprises:

the user equipment pre-receiving at least one set of non-zero power channel state information reference signal (NZP CSI-RS) configurations configured by the eNB for the present user equipment via the high-layer signaling, as well as a respective TDD special subframe configuration signaling corresponding to each set of NZP CSI-RS;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the user equipment receiving data sent by the eNB in the TDD special subframes according to the specific rules;

or

wherein the method further comprises;

the user equipment pre-receiving at least one channel state information (CSI) process configured by the eNB for the present user equipment via the high-layer signaling configuration as well as a respective TDD special subframe configuration signaling corresponding to each CSI process;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the user equipment receiving data sent by the eNB in the TDD special subframes according to the specific rules.

22. The method of claim 19, wherein,

the user equipment receiving data sent by the eNB in the TDD special subframes according to the specific rules comprises:

the user equipment receiving the data in the serving cell in which the user equipment is located;

or,

the user equipment receiving the data according to a TDD special subframe configuration signaling of the serving cell in which the present user equipment is located;

or,

the user equipment receiving the data in a cell corresponding to a first NZP CSI-RS;

or, the user equipment only receiving the data in a cell corresponding to a first CSI process;

or

wherein the method further comprises;

the user equipment pre-receiving at least one enhanced physical downlink control channel (EPDCCH) cluster configured by the eNB for the present user equipment via the high-layer signaling as well as one set of TDD special subframe configuration signaling configured for each EPDCCH cluster;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the user equipment receiving downlink control information sent by the eNB in the TDD special subframes according to the specific rules comprises;

the user equipment receiving the downlink control information according to a TDD special subframe configuration signaling corresponding to a current EPDCCH cluster;

or

wherein the user equipment receiving downlink control information sent by the eNB in the TDD special subframes according to the specific rules comprises;

the user equipment receiving downlink control information in an EPDCCH cluster in accordance with a TDD special subframe configuration signaling corresponding to the serving cell in which the present user equipment is located.

25. The method of claim 19, wherein the method further comprises:

the user equipment pre-receiving N special subframe configuration signalings configured by the eNB for the present user equipment via the high-layer signaling as well as the downlink control information (DCI);

wherein, the value of at least part of information bits in the DCI is used for indicating one of N special subframe configuration signalings corresponding to subframes in which the eNB currently transmits data;

wherein N is a positive integer;

the user equipment receiving the downlink data information sent by the eNB in the TDD special subframes in accordance with the specific rules comprises;

the user equipment receiving the data according to a TDD special subframe configuration signaling indicated by the value of information bits in the received DCI,

preferably, the at least part of the information bits in the DCI are physical downlink shared channel resource element mapping and Quasi-Co-Location indicator (PQI) bits.

26. The method of claim 19, wherein,

the user equipment receiving data and/or downlink control information sent by the eNB in the TDD special subframes in accordance with the specific rules comprises:

when the user equipment is configured as a specific transmission mode, a DCI format or a specific mode for receiving downlink control information, the user equipment receiving data and/or downlink control information sent by the eNB in the TDD special subframes according to the specific rules.

27. The method of claim 26, wherein if the user equipment is configured as transmission mode 10 and the user equipment uses a demodulation reference signal (DMRS) for receiving a PDSCH in the TDD special subframes, the user equipment uses a special subframe configuration of the serving cell in which the present user equipment is located to receive the PDSCH;

or

if the user equipment is configured as transmission mode 10 and uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI Format corresponding to the PDSCH is DCI Format 1A, the user equipment uses a special subframe configuration of the serving cell in which the present user equipment is located to receive the PDSCH;

or

if the user equipment is configured as transmission mode 10 and the user equipment uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI Format corresponding to the PDSCH is DCI Format 1A, the user equipment uses a special subframe configuration signaling of a cell corresponding to a first CSI process to receive the PDSCH;

or

if the user equipment is configured as transmission mode 10 and uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, the user equipment uses a special subframe configuration signaling of a cell corresponding to a first CSI process to receive the PDSCH;

or

if the user equipment is configured as transmission mode 10 and uses an EPDCCH to receive the downlink control information in the TDD special subframes, the user equipment uses a special subframe configuration of the serving cell where the user equipment is located to receive the EPDCCH;

or

if the user equipment is configured as transmission mode 10 and uses an EPDCCH to receive the downlink control information in the TDD special subframes, the user equipment uses a special subframe configuration corresponding to a first EPDCCH cluster to receive the EPDCCH.

33. The method of claim 20, wherein, the user equipment pre-receives DCI sent by the eNB to the present user equipment;

wherein at least part of information in the DCI is used for indicating a NZP CSI-RS configuration or CSI process configuration used by data transmitted by the eNB to the present user equipment;

the user equipment obtains a TDD special subframe configuration used for receiving data in current subframes through a TDD special subframe configuration signaling corresponding to the NZP CSI-RS configuration or CSI process configuration.

35. The method of claim 19, wherein when a plurality of nodes configured for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes;

or

wherein when a plurality of nodes configured for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, and when a difference between the numbers of OFDM symbols in DwPTS areas of two TDD special subframe configurations is greater than N, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes, wherein N is a positive integer.

21. (canceled)

23-24. -24. (canceled)

28-32. -32. (canceled)

34. (canceled)

36. (canceled)

37. An eNB, comprising:

a memory module, configured to;

save specific rules;

wherein the specific rules are pre-configured in the memory module or pre-indicated by a transmitting module to the user equipment via a high-layer signaling;

the transmitting module, configured to;

transmit data and/or downlink control information to a user equipment within a service range in time division duplexing (TDD) special subframes in accordance with the specific rules saved in the memory module;

wherein, a serving cell in which the user equipment is located currently performs a coordinated multi-point transmission with at least one other cell and has an independent TDD special subframe configuration compared with the other cells.

38. The eNB of claim 37, wherein,

the memory module is further configured to:

save at least one set of non-zero power channel state information reference signal (NZP CSI-RS) configuration pre-configured for the user equipment via the high-layer signaling, wherein each set of NZP CSI-RS configuration corresponds to one set of TDD special subframe configuration signaling;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the transmitting module is configured to;

transmit data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules;

or

the memory module is further configured to;

save at least one channel state information (CSI) process pre-configured for the user equipment via the high-layer signaling, wherein each CSI process corresponds to one set of TDD special subframe configuration signaling;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the transmitting module is configured to;

transmit data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules.

40. The eNB of claim 37, wherein, the transmitting module is configured to:

transmit data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules saved in the memory module, comprising;

the transmitting module only transmitting data in a cell corresponding to a first NZP CSI-RS;

or,

the transmitting module only transmitting data in the serving cell in which the user equipment is located or transmitting data to the user equipment in accordance with a TDD special subframe configuration of the serving cell;

or,

the transmitting module only transmitting data in a cell corresponding to a first CSI process;

or

the memory module is further configured to;

save at least one enhanced physical downlink control channel (EPDCCH) cluster pre-configured for the user equipment via the high-layer signaling, as well as one set of TDD special subframe configuration signaling configured for each EPDCCH cluster;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the transmitting module is configured to;

in accordance with the specific rules, transmit downlink control information to the user equipment within the service range in the TDD special subframes, comprising;

the transmitting module transmitting the downlink control information to the user equipment within the service range according to special subframe configuration signalings configured for a first EPDCCH cluster;

or,

for each EPDCCH cluster, the transmitting module respectively transmitting the downlink control information in the EPDCCH cluster according to TDD special subframe configuration signalings configured for the EPDCCH cluster;

or,

the transmitting module transmitting the downlink control information according to TDD special subframe configuration signalings configured for an EPDCCH cluster of the serving cell in which the user equipment is located;

or

the transmitting module is configured to;

transmit the downlink control information to the user equipment within the service range in the TDD special subframes in accordance with the specific rules, comprising

the transmitting module only transmitting the downlink control information in a cell corresponding to a first EPDCCH cluster;

or, the transmitting module transmitting the downlink control information in an EPDCCH cluster corresponding to the serving cell in which the user equipment is located.

43. The eNB of claim 37, wherein,

the memory module is further configured to:

save N special subframe configuration signalings pre-configured for the user equipment through the high-layer signaling;

the transmitting module is further configured to;

indicate to the user equipment one of N special subframe configuration signalings corresponding to subframes which currently transmit data via the value of at least part of information bits in the transmitted downlink control information (DCI);

wherein N is a positive integer;

the transmitting module is configured to;

transmit data to the user equipment within the service range in the TDD special subframes in accordance with the specific rules, comprising;

the transmitting module transmitting a physical downlink shared channel (PDSCH) to the user equipment according to TDD special subframe configuration signalings indicated by the value of information bits in the downlink control information,

preferably, the at least part of the information bits in the DCI are physical downlink shared channel resource element mapping and Quasi-Co-Location indicator (PQI) bits.

44. The eNB of claim 37, wherein, the transmitting module is configured to:

transmit data and/or downlink control information to the user equipment in the service range in the TDD special subframes in accordance with the specific rules, comprising;

if the transmitting module determines that the user equipment is configured as a specific transmission mode, a DCI format or a specific mode for receiving downlink control information, the transmitting module transmitting data and/or downlink control information to the user equipment in the TDD special subframes in accordance with the specific rules, wherein the specific mode for receiving downlink control information is an EPDCCH transmission or a PDCCH transmission.

45. The eNB of claim 44, wherein,

the transmitting module is configured to:

if determining that the user equipment is configured as transmission mode 10 and the eNB uses a demodulation reference signal (DMRS) to transmit a PDSCH to the user equipment in the TDD special subframes, only transmit the PDSCH in the serving cell in which the user equipment is located;

or

the transmitting module is configured to;

if determining that the user equipment is configured as transmission mode 10 and the present eNB uses a DMRS to transmit a PDSCH to the user equipment in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, only transmit the PDSCH in the serving cell in which the user equipment is locate&

or

the transmitting module is configured to;

if determining that the user equipment is configured as transmission mode 10 and the present eNB uses a DMRS to transmit a PDSCH to the user equipment in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, only transmit the PDSCH in a cell corresponding to a first NZP CSI-RS;

or, when the user equipment is configured as transmission mode 10 and the present eNB uses a DMRS to transmit a PDSCH to the user equipment in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, only transmit the PDSCH in a cell corresponding to a first NZP CSI-RS;

or

the transmitting module is configured to;

if determining that the user equipment is configured as transmission mode 10 and the present eNB uses a DMRS to transmit a PDSCH to the user equipment in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, only transmit the PDSCH in a cell corresponding to a first CSI process;

or

The eNB of claim 44, wherein, the transmitting module is configured to;

if determining that the user equipment is configured as transmission mode 10 and the present eNB uses an EPDCCH to transmit downlink control information to the user equipment in the TDD special subframes, only transmit the EPDCCH in the serving cell in which the user equipment is located;

or

the transmitting module is configured to;

if determining that the user equipment is configured as transmission mode 10 and the eNB uses an EPDCCH to transmit downlink control information to the user equipment in the TDD special subframes, only transmit the EPDCCH in a cell corresponding to a first EPDCCH cluster.

51. The eNB of claim 38, wherein,

the transmitting module pre-indicates to the user equipment a NZP CSI-RS configuration or CSI process configuration associated with data transmitted by the present eNB to the user equipment through at least part of information bits in the transmitted DCI, thus instructing the user equipment to use a TDD special subframe configuration corresponding to the NZP CSI-RS configuration or CSI process configuration to receive data.

53. The eNB of claim 37, wherein, when a plurality of nodes configuring for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes;

or

when a plurality of nodes configured for one user equipment to perform a multi-point transmission have different TDD special subframe configurations, and when a difference between the numbers of OFDM symbols in DwPTS areas of two TDD special subframe configurations is greater than N, the eNB predefines that only the serving cell transmits data to the user equipment in corresponding TDD special subframes, wherein N is a positive integer.

39. (canceled)

41-42. -42. (canceled)

46-50. -50. (canceled)

52. (canceled)

54. (canceled)

55. A user equipment, comprising:

a memory module, configured to;

save specific rules;

wherein the specific rules are pre-configured in the memory module or pre-obtained by a receiving module receiving a high-layer signaling sent from an eNB;

a receiving module, configured to;

receive data and/or downlink control information sent by the eNB in time division duplexing (TDD) special subframes according to the specific rules saved in the memory module;

wherein, a serving cell in which the user equipment is located is currently performing a coordinated multi-point transmission with at least one other cell, and has an independent TDD special subframe configuration compared with the other cells.

56. The user equipment of claim 55, wherein,

the receiving module is further configured to:

pre-receive at least one set of non-zero power channel state information reference signal (NZP CSI-RS) configuration configured by the eNB for the present user equipment via the high-layer signaling, as well as a respective TDD special subframe configuration signaling corresponding to each set of NZP CSI-RS, saving into the memory module;

the receiving module is configured to;

receive data sent by the eNB in the TDD special subframes according to the specific rules;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

or

the receiving module is further configured to;

pre-receive at least one channel state information (CSI) process configured by the eNB for the present user equipment via the high-layer signaling as well as a respective TDD special subframe configuration signaling corresponding to each CSI process, saving into the memory module;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the receiving module is configured to;

receive data sent by the eNB in the TDD special subframes according to the specific rules.

58. The user equipment of claim 55, wherein the receiving module is configured to:

receive data sent by the eNB in the TDD special subframe according to the specific rules, comprising;

the receiving module receiving the data in the serving cell in which the present user equipment is located;

or,

the receiving module receiving the data according to a TDD special subframe configuration signaling of the serving cell in which the present user equipment is located;

or,

the receiving module receiving the data in a cell corresponding to a first NZP CSI-RS;

or,

the receiving module only receiving the data in a cell corresponding to a first CSI process;

or

the receiving module is further configured to;

pre-receive at least one enhanced physical downlink control channel (EPDCCH) cluster configured by the eNB for the present user equipment via the high-layer signaling as well as one set of TDD special subframe configuration signaling configured for each EPDCCH cluster, saving into the memory module;

wherein the TDD special subframe configuration signaling comprises a combination of any one or more of following items;

TDD special subframe configuration index;

TDD uplink and downlink subframe configuration index;

subframe offset information or slot offset information;

an ending position of orthogonal frequency division multiplexing (OFDM) symbols occupied by the data and/or the downlink control information;

the receiving module is configured to;

receive downlink control information sent by the eNB in TDD special subframes according to the specific rules, comprising;

the receiving module receiving the downlink control information according to a TDD special subframe configuration signaling corresponding to a current EPDCCH cluster;

or

the receiving module is configured to;

receive the downlink control information sent by the eNB in the TDD special subframes according to the specific rules, comprising;

the receiving module being used for receiving downlink control information in an EPDCCH cluster in accordance with a TDD special subframe configuration signaling corresponding to the serving cell in which the present user equipment is located.

61. The user equipment of claim 55, wherein, the receiving module is further configured to:

pre-receive N special subframe configuration signalings configured by the eNB for the present user equipment via the high-layer signaling as well as the downlink control information (DCI);

wherein, the value of at least part of information bits in the DCI is used for indicating one of N special subframe configuration signalings corresponding to subframes in which the eNB currently transmits data;

wherein N is a positive integer;

the receiving module is further configured to;

receive the downlink data information sent by the eNB in the TDD special subframes in accordance with the specific rules, comprising;

the receiving module receiving the data according to a TDD special subframe configuration signaling indicated by the value of information bits in the received DCI,

preferably, the at least part of information bits in the DCI are physical downlink shared channel resource element mapping and Quasi-Co-Location indicator (PQI) bits.

62. The user equipment of claim 55, wherein,

the receiving module is further configured to:

receive data and/or downlink control information sent by the eNB in the TDD special subframes in accordance with the specific rules, comprising;

when the user equipment is configured as a specific transmission mode, a DCI format or a specific mode for receiving downlink control information, the receiving module receiving data and/or downlink control information sent by the eNB in the TDD special subframes according to the specific rules.

63. The user equipment of claim 62, wherein,

the receiving module is configured to:

when the user equipment is configured as transmission mode 10 and the present user equipment uses a demodulation reference signal (DMRS) for receiving a PDSCH in the TDD special subframes, use a special subframe configuration of the serving cell in which the present user equipment is located to receive the PDSCH;

or

the receiving module is configured to;

if the present user equipment is configured as transmission mode 10 and uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, use a special subframe configuration of the serving cell in which the present user equipment is located to receive the PDSCH;

or

the receiving module is configured to;

when the user equipment is configured as transmission mode 10 and the user equipment uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, use a special subframe configuration signaling of a cell corresponding to a first NZP CSI-RS to receive the PDSCH;

or

The user equipment of claim 62, wherein, the receiving module is configured to;

when the present user equipment is configured as transmission mode 10 and the user equipment uses a DMRS to receive a PDSCH in the TDD special subframes, and when a DCI format corresponding to the PDSCH is DCI Format 1A, use a special subframe configuration signaling of a cell corresponding to a first CSI process to receive the PDSCH;

or

the receiving module is configured to;

when the user equipment is configured as transmission mode 10 and the present user equipment uses an EPDCCH to receive the downlink control information in the TDD special subframes, use a special subframe configuration of the serving cell where the user equipment is located to receive the EPDCCH;

or

the receiving module is configured to;

when the present user equipment is configured as transmission mode 10 and the user equipment uses an EPDCCH to receive the downlink control information in the TDD special subframes, use a special subframe configuration corresponding to a first EPDCCH cluster to receive the EPDCCH.

69. The user equipment of claim 56, wherein,

the receiving module pre-receives DCI sent by the eNB to the present user equipment;

wherein, at least part of information in the DCI is used for indicating a NZP CSI-RS configuration or CSI process configuration used by data transmitted by the eNB to the present user equipment;

the receiving module is further used for obtaining a TDD special subframe configuration used for receiving data in current subframes via a TDD special subframe configuration corresponding to the NZP CSI-RS configuration or CSI process configuration.

57. (canceled)

59-60. -60. (canceled)

64-68. -68. (canceled)

70. (canceled)