METHODS AND ARRANGEMENTS TO COORDINATE COMMUNICATIONS IN A WIRELESS NETWORK
First Claim
1. A method to coordinate transmissions of devices on a wireless network, the method comprising:
- determining, by a first communications device, a time slot schedule between beacon frame transmissions;
generating, by the first communications device, a first beacon frame indicating the time slot schedule;
transmitting, by the first communications device, the first beacon frame;
generating, by the first communications device, a first synch frame unless a communications channel is busy; and
transmitting, by the first communications device, the synch frame at a slot boundary between beacon frame transmissions unless the communications channel is busy.
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Abstract
Logic to coordinate communications of wireless communications devices to attenuate collisions, such as through coordination of communications by implementing slot logic in an access point. The slot logic may determine a time slot schedule for beacon intervals and may further transmit a synch frame at the time slot boundaries. If the channel is busy, the slot logic may not send the synch frame. The slot logic may also comprise distribution logic to determine a probability of collisions and to instruct one or more of the devices to spread out their channel accesses across beacons intervals to reduce the chance of collisions. A station associated with the access point may comprise synch logic to wake up at a slot boundary and wait for a synch frame or any other packets to synch to the medium.
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Citations
30 Claims
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1. A method to coordinate transmissions of devices on a wireless network, the method comprising:
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determining, by a first communications device, a time slot schedule between beacon frame transmissions; generating, by the first communications device, a first beacon frame indicating the time slot schedule; transmitting, by the first communications device, the first beacon frame; generating, by the first communications device, a first synch frame unless a communications channel is busy; and transmitting, by the first communications device, the synch frame at a slot boundary between beacon frame transmissions unless the communications channel is busy. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus to coordinate transmissions of devices on a wireless network, the apparatus comprising:
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a medium access control logic to determine a time slot schedule between beacon frame transmissions and to generate a first beacon frame indicating the time slot schedule; and a physical layer logic coupled with the medium access control logic to generate and transmit a first synch frame unless a communications channel is busy and to encapsulate and transmit the first beacon frame. - View Dependent Claims (8, 9, 10, 11, 12, 13, 18, 19)
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14. A program product t to coordinate transmissions of devices on a wireless network, the program product comprising:
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a storage medium comprising instructions to be executed by a processor-based device, wherein the instructions, when executed by the processor-based device, perform operations, the operations comprising; determining, by a first communications device, a time slot schedule between beacon frame transmissions; generating, by the first communications device, a first beacon frame indicating the time slot schedule; transmitting, by the first communications device, the first beacon frame; generating, by the first communications device, a first synch frame unless a communications channel is busy; and transmitting, by the first communications device, the synch frame at a slot boundary between beacon frame transmissions unless the communications channel is busy. - View Dependent Claims (15, 16, 17)
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20. A method to coordinate transmissions of devices on a wireless network, the method comprising:
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receiving, by a first communications device, a first beacon frame indicating a time slot schedule, wherein the time slot schedule indicates one or more time slots between beacon frame transmissions; waking, by the first communications device, from a doze state to an awake state to receive a first synch frame at a boundary of a time slot; and receiving the first synch frame to synch with a channel; and transmitting a communication to an access point after synching with the channel. - View Dependent Claims (21, 22, 23)
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24. An apparatus to coordinate transmissions of devices on a wireless network, the apparatus comprising:
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a medium access control logic to receive a first beacon frame indicating a time slot schedule, wherein the time slot schedule indicates one or more time slots between beacon frame transmissions;
wake from a doze state to an awake state to receive a first synch frame at a boundary of a time slot; anda physical layer logic coupled with the medium access control logic to receive the first synch frame to synch with a channel;
inform the medium access control logic of receipt of the first synch frame; and
transmit a communication to an access point after synching with the channel. - View Dependent Claims (25, 26, 27)
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28. A program product to coordinate transmissions of devices on a wireless network, the program product comprising:
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a storage medium comprising instructions to be executed by a processor-based device, wherein the instructions, when executed by the processor-based device, perform operations, the operations comprising; receiving, by a first communications device, a first beacon frame indicating a time slot schedule, wherein the time slot schedule indicates one or more time slots between beacon frame transmissions; waking, by the first communications device, from a doze state to an awake state to receive a first synch frame at a boundary of a time slot; and receiving the first synch frame to synch with a channel; and transmitting a communication to an access point after synching with the channel. - View Dependent Claims (29, 30)
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Specification