Method and apparatus for allocating resources for multiple users in wireless LAN system
First Claim
1. A method for a transmitter to allocate resources to a receiver in a wireless local area network system, the method comprising:
- generating a protocol data unit (PDU) including control information on resource allocation and a payload; and
transmitting the PDU to the receiver,wherein the payload is decoded, by the receiver, based on the control information, and the control information includes a first field and a second field, andwherein the first field is for transmitting common control information and includes at least 2 bit length bandwidth information, 6 bit length basic service set (BSS) identifier information, and information on a modulation and coding scheme (MCS) for the second field,wherein the first field comprises a first subfield,wherein the first field further comprises a second subfield and a third subfield, according to whether the PDU is transmitted for a single user,wherein the first subfield includes information on a number of symbols of the second subfield, andwherein, based on the information on the number of symbols of the second subfield indicating that the number of symbols of the second subfield is zero, the PDU is transmitted for the single user and the first field does not comprise the second subfield and the third subfield.
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Accused Products
Abstract
The present disclosure relates to technologies for sensor networks, machine-to-machine (M2M) communication, machine-type communication (MTC), and the Internet of Things (IoT). The present disclosure may be used for intelligent services based on these technologies (smart homes, smart buildings, smart cities, smart or connected cars, healthcare, digital education, retail business, security and safety, and the like). For sending a payload to multiple users through OFDMA in a wireless LAN system, it is difficult to efficiently allocate resources for OFDMA by using the resource allocation configuration of the existing PPDU. Hence, there is proposed a new PPDU including a first field and a second field.
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Citations
11 Claims
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1. A method for a transmitter to allocate resources to a receiver in a wireless local area network system, the method comprising:
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generating a protocol data unit (PDU) including control information on resource allocation and a payload; and transmitting the PDU to the receiver, wherein the payload is decoded, by the receiver, based on the control information, and the control information includes a first field and a second field, and wherein the first field is for transmitting common control information and includes at least 2 bit length bandwidth information, 6 bit length basic service set (BSS) identifier information, and information on a modulation and coding scheme (MCS) for the second field, wherein the first field comprises a first subfield, wherein the first field further comprises a second subfield and a third subfield, according to whether the PDU is transmitted for a single user, wherein the first subfield includes information on a number of symbols of the second subfield, and wherein, based on the information on the number of symbols of the second subfield indicating that the number of symbols of the second subfield is zero, the PDU is transmitted for the single user and the first field does not comprise the second subfield and the third subfield. - View Dependent Claims (2, 3)
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4. A method for a receiver to receive a payload from a transmitter in a wireless local area network system, the method comprising:
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receiving a protocol data unit (PDU) including control information on resource allocation and a payload from the transmitter having generated the PDU; and decoding the payload based on the control information, wherein the control information includes a first field and a second field, and wherein the first field is for transmitting common control information and includes at least 2 bit length bandwidth information, 6 bit length basic service set (BSS) identifier information, and information on a modulation and coding scheme (MCS) for the second field, wherein the first field comprises a first subfield, wherein the first field further comprises a second subfield and a third subfield, according to whether the PDU is transmitted for a single user, wherein the first subfield includes information on a number of symbols of the second subfield, and wherein, based on the information on the number of symbols of the second subfield indicating that the number of symbols of the second subfield is zero, the PDU is transmitted for the single user and the first field does not comprise the second subfield and the third subfield. - View Dependent Claims (5, 6)
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7. A transmitter capable of allocating resources to a receiver in a wireless local area network system, comprising:
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a transceiver to send and receive a signal; and a controller to perform generating a protocol data unit (PDU) including control information on resource allocation and a payload, and controlling the transceiver to transmit the PDU to the receiver, wherein the payload is decoded, by the receiver, based on the control information, wherein the control information includes a first field and a second field, wherein the first field is for transmitting common control information and includes at least 2 bit length bandwidth information, 6 bit length basic service set (BSS) identifier information, and information on a modulation and coding scheme (MCS) for the second field, wherein the first field comprises a first subfield, wherein the first field further comprises a second subfield and a third subfield according to whether the PDU is transmitted for a single user, wherein the first subfield includes information on a number of symbols of the second subfield, and wherein, based on the information on the number of symbols of the second subfield indicating that the number of symbols of the second subfield is zero, the PDU is transmitted for the single user and the first field does not comprise the second subfield and the third subfield. - View Dependent Claims (8, 9)
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10. A receiver capable of receiving a payload from a transmitter in a wireless local area network system, comprising:
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a transceiver to send and receive a signal; and a controller to perform controlling the transceiver to receive a protocol data unit (PDU) including control information on resource allocation and a payload from the transmitter having generated the PDU, and controlling decoding of the payload based on the control information, wherein the control information includes a first field and a second field, and wherein the first field is for transmitting common control information and includes at least 2 bit length bandwidth information, 6 bit length basic service set (BSS) identifier information, and information on a modulation and coding scheme (MCS) for the second field, wherein the first field comprises a first subfield, wherein the first field further comprises a second subfield and a third subfield according to whether the PDU is transmitted for a single user, wherein the first subfield includes information on a number of symbols of the second subfield, and wherein, based on the information on the number of symbols of the second subfield indicating that the number of symbols of the second subfield is zero, the PDU is transmitted for the single user and the first field does not comprise the second subfield and the third subfield. - View Dependent Claims (11)
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Specification