Data transmission method for multiplexing data portion, device, and system
Disclosed are a data transmission method, device, and system. The method comprises: for the transmission of random access uplink data, according to the correspondence between preambles and data resources as described by a protocol, determining the data resource corresponding to the preamble in the uplink data transmission, different preambles corresponding to different data resources; transmitting the preamble and the uplink data that uses the determined data resource. In the embodiments of the present invention, a protocol describes the correspondence between preambles and data resources. For the transmission of random access uplink data, the data resource corresponding to the preamble in the uplink data transmission can be determined, and different preambles correspond to different data resources. Thus it can be ensured that different users use different data resources to bear uplink data, thereby enabling the data portion multiplexing for multiple users.
1. A data transmitting method, applicable to a UE, the method comprising:
determining, for a uplink data transmission of a random access, a data resource corresponding to a preamble in the uplink data transmission according to a correspondence relationship between preambles and data resources as specified in a protocol, wherein different preambles correspond to different data resources; and
transmitting the preamble, and uplink data on determined data resource;
wherein the data resource comprises:
a time resource occupied by data, a frequency resource occupied by data, a DeModulation Reference Signal (DMRS) of data, and a spreading code of data;
wherein if the data resource is the DMRS of data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the correspondence relationship between preambles and data resources, as specified in the protocol comprises:
determining the DMRS corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and DMRS's of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
the transmitting the uplink data on the determined data resource comprises:
transmitting the uplink data encoded and modulated using determined DMRS;
if the data resource is the spreading code of data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the correspondence relationship between preambles and data resources, as specified in the protocol comprises:
determining the spreading code corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and spreading codes of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
the transmitting the uplink data on the determined data resource comprises:
transmitting the uplink data spread using determined spreading code.
2. The method according to claim 1 , wherein if the data resource is the time resource occupied by data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the correspondence relationship between preambles and data resources, as specified in the protocol comprises:
determining the time resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and time resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
the transmitting the uplink data on the determined data resource comprises:
transmitting the uplink data carried on the determined time resource.
3. The method according to claim 1 , wherein if the data resource is the frequency resource occupied by data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the correspondence relationship between preambles and data resources, as specified in the protocol comprises:
determining the frequency resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and frequency resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
the transmitting the uplink data on the determined data resource comprises:
transmitting the uplink data carried on the determined frequency resource.
4. A data transmitting method, applicable to an eNB, the method comprising:
receiving a preamble in uplink data transmission, and uplink data; and
determining a data resource corresponding to the preamble in the uplink data transmission according to the preamble, and a correspondence relationship between preambles and data resources, as specified in a protocol, and obtaining the uplink data using the data resource, wherein different preambles correspond to different data resources;
wherein the data resource comprises:
a time resource occupied by data, a frequency resource occupied by data, a DeModulation Reference Signal (DMRS) of data, and a spreading code of data;
wherein if the data resource is the DMRS of data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the preamble, and the correspondence relationship between preambles and data resources, specified in the protocol includes:
determining the DMRS corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and DMRS's of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble;
if the data resource is the spreading code of data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the preamble, and the correspondence relationship between preambles and data resources, as specified in the protocol includes:
determining the spreading code corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and spreading codes of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
5. The method according to claim 4 , wherein if the data resource is the time resource occupied by data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the preamble, and the correspondence relationship between preambles and data resources, as specified in the protocol includes:
determining the time resource corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and time resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
6. The method according to claim 4 , wherein if the data resource is the frequency resource occupied by data, the determining the data resource corresponding to the preamble in the uplink data transmission according to the preamble, and the correspondence relationship between preambles and data resources, as specified in the protocol includes:
determining the frequency resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship, between preamble groups, and frequency resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
7. A data transmitting device, applicable to a UE, the data transmitting device comprising: a memory configured to store a computer readable program, and a processor configured to read the memory to execute the computer readable program to:
to determine, for uplink data transmission of a random access, a data resource corresponding to a preamble in the uplink data transmission according to a correspondence relationship between preambles and data resources, as specified in a protocol, wherein different preambles correspond to different data resources; and
to transmit the preamble, and uplink data using determined data resource;
wherein the data resource comprises:
a time resource occupied by data, a frequency resource occupied by data, a DeModulation Reference Signal (DMRS) of data, and a spreading code of data;
wherein the processor is configured to read the memory to execute the computer readable program to determine the DMRS corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and DMRS's of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
transmit the uplink data encoded and modulated using determined DMRS.
8. The device according to claim 7 , wherein the processor is configured to read the memory to execute the computer readable program to determine the time resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and time resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
transmit the uplink data carried on determined time resource.
9. The device according to claim 7 , wherein the processor is configured to read the memory to execute the computer readable program to determine the frequency resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and frequency resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
transmit the uplink data carried on determined frequency resource.
10. The device according to claim 7 , wherein the processor is configured to read the memory to execute the computer readable program to determine the spreading code corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and spreading codes of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble; and
transmit the uplink data spread using determined spreading code.
11. A data transmitting device, applicable to an eNB, the data transmitting device comprising: a memory configured to store a computer readable program, and a processor configured to read the memory to execute the computer readable program to:
receive a preamble in uplink data transmission, and uplink data; and
determine a data resource corresponding to the preamble in the uplink data transmission according to the preamble, and a correspondence relationship between preambles and data resources, as specified in a protocol, and to obtain the uplink data using the data resource, wherein different preambles correspond to different data resources;
wherein the data resource comprises:
a time resource occupied by data, a frequency resource occupied by data, a DeModulation Reference Signal (DMRS) of data, and a spreading code of data;
wherein the processor is configured to read the memory to execute the computer readable program to determine the DMRS corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and DMRS's of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
12. The device according to claim 11 , wherein the processor is configured to read the memory to execute the computer readable program to determine the time resource corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and time resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
13. The device according to claim 11 , wherein the processor is configured to read the memory to execute the computer readable program to determine the frequency resource occupied by data corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and frequency resources occupied by data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.
14. The device according to claim 11 , wherein the processor is configured to read the memory to execute the computer readable program to determine the spreading code corresponding to the preamble in the uplink data transmission according to a correspondence relationship between preamble groups, and spreading codes of data, as specified in the protocol, and the preamble in the uplink data transmission, wherein each of the preamble groups comprises at least one preamble.