Method and apparatus for data transmission using a data frame
AssigneeLG Electronics Inc.
InventorsSung-Ho Moon, Min-Seok Noh, Jin-Sam Kwak, Dong-Cheol Kim, Seung-Hee Han, Hyun-Woo Lee
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Abstract
A method and apparatus for transmitting data using a frame in a broadband wireless communication system are disclosed. The method for transmitting and receiving data in a broadband wireless communication system includes: setting a data frame for transmitting and receiving data through uplink and downlink; and transmitting and receiving data through the set data frame, wherein the data frame includes one or more first subframes and one or more second subframes including a different number of data symbols from that of data symbols of the first subframe.
Claims27
A method for transmitting data in a broadband wireless communication system, the method comprising:
- setting a data frame for transmitting and receiving data through uplink and downlink;
- and transmitting and receiving data through the set data frame, wherein the data frame includes one or more first type subframes and one or more second type subframes including a different number of data symbols from that of data symbols of the first type subframes.
An apparatus for transmitting and receiving data, the apparatus comprising:
- a transceiver configured to transmit and receive data through downlink and uplink;
- and
- a controller configured to set a data frame including one or more first type subframes and one or more second type subframes including a different number of data symbols from that of data symbols of the first type subframe and control the transceiver to transmit and receive data through the set data frame,
- wherein the controller configures the data frame such that the number of the first type subframes is maximized.
A method for transmitting data in a time division duplex (TDD) type orthogonal frequency division multiplexing access (OSDMA) communication system, the method comprising:
- setting a data frame including a plurality of subframes;
- and
- transmitting data through the set data frame,
- wherein the cyclic prefix (CP) of the data frame is 1/16 of the length of a valid OFDMA symbol, the bandwidth of a transport channel is 7 MHz, and
- the data frame is configured such that the number of subframes configured to include six data symbols as one unit is maximized.
A method for transmitting data in a frequency division duplex (FDD) type orthogonal frequency division multiplexing access (OSDMA) communication system, the method comprising:
- setting a data frame including a plurality of subframes;
- and
- transmitting data through the set data frame,
- wherein the cyclic prefix (CP) of the data frame is 1/16 of the length of a valid OFDMA symbol, a bandwidth of a transport channel is 7 MHz,
- and the data frame is configured to include only subframes including six data symbols as one unit.
An apparatus for transmitting and receiving data, the apparatus comprising:
- a transceiver configured to transmit and receive data through downlink and uplink;
- and
- a controller configured to set a data frame including one or more subframes having n number of data symbols and control the transceiver to transmit and receive data through the set data frame,
- wherein the controller configures the data frame such that the number of the subframes is maximized.
A method for transceiving signals using a predetermined frame structure in a broadband wireless communication system, the method comprising:
- transceiving a signal through a frame according to the predetermined frame structure,
- wherein the frame has a channel bandwidth of 7MHz, the frame is a Frequency Division Duplex (FDD) frame, and a Cyclic Prefix length of the frame corresponds to 1/8 of an effective symbol length,
- wherein the frame includes 5 subframes, the 5 subframes comprising 1 type-1 subframe including 6 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols and 4 type-2 subframes including 7 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols, and
- wherein the type-1 subframe is located at a first subframe of the frame and the 4 type-2 subframes are located subsequent to the type-1 subframe.
A method for transceiving signals using a predetermined frame structure in a broadband wireless communication system, the method comprising:
- transceiving a signal through a frame according to the predetermined frame structure,
- wherein the frame has a channel bandwidth of 7MHz, the frame is a Frequency Division Duplex (FDD) frame, and a Cyclic Prefix length of the frame corresponds to 1/16 of an effective symbol length, and
- wherein the frame includes 6 subframes, the 6 subframes comprising only a type-1 subframe including 6 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols.
A method for transceiving signals using a predetermined frame structure in a broadband wireless communication system, the method comprising:
- transceiving a signal through a frame according to the predetermined frame structure,
- wherein the frame has a channel bandwidth of 7MHz, the frame is a Time Division Duplex (TDD) frame, and a Cyclic Prefix length of the frame corresponds to 1/16 of an effective symbol length,
- wherein the frame includes a downlink interval and an uplink interval that is located subsequent to the downlink interval and a Transmit Transition Gap (TTG) interval is located between the downlink interval and the uplink interval and a Receive Transition Gap (RTG) interval is located next to a last subframe of the uplink interval, wherein the downlink interval includes 4 subframes, the 4 subframes comprising 3 type-1 subframes including 6 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols and a type-3 subframe including 5 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols, and the type-3 subframe is located subsequent to the 3 type-1 subframes, and
- wherein the uplink interval includes 2 subframes, the 2 subframes comprising only a type-1 subframe including 6 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols.
Dependencies are inferred from the claim text.