# US 2014/0192823 A1 · Methods, systems and apparatuses for direct data frames

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- Number: US 2014/0192823 A1
- Document ID: US20140192823A1
- Status: Published application
- Kind: A1
- Application number: 13/977,710
- Filed: 2012-04-24
- Published: 2014-07-10
- Earliest claimed: 2012-04-24
- Assignees: Intel Corporation
- Inventors: Thomas A. Tetzlaff; Minyoung Park; Emily H. Qi; Thomas J. Kenney; Eldad Perahia
- Web page: https://patentgrep.com/patent/US20140192823A1

## CPC

- H04L 69/22: Parsing or analysis of headers
- H04L 69/04: Protocols for data compression, e.g. ROHC
- H04L 69/324: in the data link layer [OSI layer 2], e.g. HDLC
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

Generally, arrangements for enabling direct medium access control (MAC) sublayer data frames are described herein. Embodiments may comprise logic such as hardware and/or code to reduce the size of a packet by determining a frame in the MAC sublayer, inserting the frame in the signal field of a preamble to transmit, transmitting the direct MAC data frame as a packet, communicating that the packet is a direct MAC data frame, and parsing and interpreting the direct MAC data frame at the receiving device. Embodiments may determine and transmit and/or receive and interpret direct MAC data frames.

## Claims

### Claim 1

A method for communication of a packet with a direct medium access control data frame, the method comprising:
generating, by a medium access control sublayer logic, data for a signal field of a preamble in accordance with a frame structure of a medium access control sublayer;
communicating, by the medium access control sublayer logic with physical layer logic, an indication that the data is for the direct medium access control data frame;
generating, by the physical layer logic, the preamble with the data in the signal field in response to the indication that the data is for the direct medium access control data frame to form the packet; and
setting, by the physical layer logic, a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet is the direct medium access control data frame.

### Claim 2

(canceled)

### Claim 3 (depends on 1)

The method of claim 1, further comprising:
generating, by the medium access control sublayer logic, additional data to append to the preamble;
communicating, by the medium access control sublayer logic with the physical layer logic, an indication that the additional data is appended to the data and a length of the additional data; and
setting, by the physical layer logic, a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet comprises additional data appended to the preamble.

### Claim 4 (depends on 1)

The method of claim 1, wherein generating the additional data comprises generating the additional data with tail bits.

### Claim 5 (depends on 1)

The method of claim 1, wherein generating the data comprises generating the data as a medium access control sublayer frame sized to fit in the signal field of the preamble.

### Claim 6 (depends on 1)

The method of claim 1, wherein setting the bit comprises setting one or more bits in the preamble to indicate a length of the additional data.

### Claim at position 7

-8. (canceled)

### Claim 9

An apparatus for communication of a packet with a direct medium access control data frame, the apparatus comprising:
a medium access control sublayer logic to generate data for a signal field of a preamble and to communicate with physical layer logic, an indication that the data is for the direct medium access control data frame; and
the physical layer logic to generate the preamble with the data in the signal field in response to the indication that the data is for the direct medium access control data frame to form the packet, and to set a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet is the direct medium access control data frame.

### Claim 10

(canceled)

### Claim 11 (depends on 9)

The apparatus of claim 9, wherein:
the medium access control sublayer logic comprises logic to generate additional data to append to the preamble;
the medium access control sublayer logic comprises logic to communicate with the physical layer logic, an indication that the additional data is appended to the data; and
the physical layer logic comprises logic to set a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet comprises additional data appended to the preamble.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the medium access control sublayer logic comprises logic to generate the additional data comprises generating the additional data with tail bits.

### Claim 13 (depends on 9)

The apparatus of claim 9, wherein the medium access control sublayer logic comprises logic to generate the data in a medium access control sublayer frame structure sized to fit in the signal field of the preamble.

### Claim 14 (depends on 9)

The apparatus of claim 9, wherein the physical layer logic comprises logic to set the bit in a signal field of the preamble.

### Claim 15

A system for communication of a packet with a direct medium access control data frame, the system comprising:
a medium access control sublayer logic to generate data for a signal field of a preamble and to communicate with physical layer logic, an indication that the data is for the direct medium access control data frame; and
the physical layer logic to generate the preamble with the data in the signal field in response to the indication that the data is for the direct medium access control data frame to form the packet, and to set a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet is the direct medium access control data frame; and
an antenna coupled with the physical layer logic to transmit the packet.

### Claim 16

(canceled)

### Claim 17 (depends on 15)

The system of claim 15, wherein:
the medium access control sublayer logic comprises logic to generate additional data to append to the preamble;
the medium access control sublayer logic comprises logic to communicate with the physical layer logic, an indication that the additional data is appended to the data; and
the physical layer logic comprises logic to set a bit in a preamble, in response to the indication, the bit being defined to indicate that the packet comprises additional data appended to the preamble.

### Claim 18 (depends on 15)

The system of claim 15, wherein the medium access control sublayer logic comprises logic to generate the additional data comprises generating the additional data with tail bits.

### Claim 19 (depends on 15)

The system of claim 15, wherein the physical layer logic comprises logic to set the bit in a signal field of the preamble.

### Claim 20

A method for communication of a packet with a direct medium access control data frame, the method comprising:
receiving, by a physical layer logic, a packet comprising a medium access control sublayer frame in a signal field of a preamble;
determining, by physical layer logic, based upon a bit in the preamble, an indication that the frame is the direct medium access control data frame;
communicating, by the physical layer logic with the medium access control sublayer logic, that the frame is the direct medium access control data frame and the data from the signal field;
determining, by the medium access control sublayer logic, based upon the communication from the physical layer logic, the frame structure of the data from the signal field to parse and interpret the data.

### Claim at position 20

-22. (canceled)

### Claim 23 (depends on 20)

The method of claim 20, further comprising determining an indication that the packet comprises additional data appended to the data in the signal field of the preamble and the length of the additional data.

### Claim 24 (depends on 20)

The method of claim 20, wherein determining based upon the bit in the preamble comprises interpreting the bit from the signal field of the preamble.

### Claim 25 (depends on 20)

The method of claim 20, wherein communicating an indication that the frame is the direct medium access control data frame comprises communicating the bit from the preamble.

### Claim at position 24

-27. (canceled)

### Claim 28

An apparatus for communication of a packet with a direct medium access control data frame, the apparatus comprising:
a physical layer logic to receive a packet comprising a medium access control sublayer frame in a signal field of a preamble, to determine based upon a bit in the preamble an indication that the frame is the direct medium access control data frame, and to communicate with the medium access control sublayer logic, the data from the signal field and that the frame is the direct medium access control data frame; and
a medium access control sublayer logic to receive the data from the signal field and to determine based upon the communication from the physical layer logic, the frame structure of the data from the signal field.

### Claim at position 26

-30. (canceled)

### Claim 31 (depends on 28)

The apparatus of claim 28, wherein the physical layer logic comprises logic comprises logic to determine an indication that the packet comprises additional data appended to the data in the signal field of the preamble and the length of the additional data.

### Claim 32 (depends on 28)

The apparatus of claim 28, wherein the physical layer logic comprises logic to communicate the bit in a signal field of the preamble to the medium access control sublayer logic.

### Claim 33

A system for communication of a packet with a direct medium access control data frame, the system comprising:
a physical layer logic to receive a packet comprising a medium access control sublayer frame in a signal field of a preamble, to determine based upon a bit in the preamble, an indication that the packet comprises the direct medium access control data frame, and to communicate with the medium access control sublayer logic, that the packet comprises the direct medium access control data frame; and
a medium access control sublayer logic to receive the data from the signal field and to determine based upon the communication from the physical layer logic, the frame structure of the data from the signal field; and
an antenna coupled with the physical layer logic to transmit the frame.

### Claim 34

(canceled)

### Claim 35 (depends on 33)

The system of claim 33, wherein the physical layer logic comprises logic to determine an indication that the packet comprises additional data appended to the data in the signal field of the preamble and the length of the additional data.