LAA-LTE communication in an unlicensed spectrum
AssigneeAvago Technologies International Sales Pte. Limited
InventorsSindhu Verma, Shubhodeep Adhikari, Sharon Levy
Life of this patent
Estimating the term…
Abstract
A method includes transmitting, at an access point configured to transmit data over an unlicensed band, a single message prior to transmitting data over a channel of the unlicensed band. The method further includes receiving, at the access point, a plurality of responses from a plurality of user equipment acknowledging the single message in response to the single message.
Claims20
A method comprising:
- determining, at an access point configured to transmit data over an unlicensed band, a transmission window beginning at a future time for the data to be transmitted over a channel of the unlicensed band;
- and
- transmitting, at the access point, a message configured to reserve the channel for transmission for the transmission window beginning at the future time, wherein the message comprises a time offset between a first time and a second time at which the message is transmitted, wherein the first time comprises the future time.
A method comprising:
- determining, at an access point configured to transmit data over an unlicensed band, a transmission window beginning at a future time in which the data will be transmitted over a channel of the unlicensed band;
- transmitting, at the access point, a message configured to reserve the channel for transmission for the transmission window beginning at the future time;
- and
- determining, at the access point, a time offset between a current time and the future time, the future time comprising a beginning time of a next one of a plurality of transmission windows for transmission of the data over the channel of the unlicensed band;
- wherein the message is configured to reserve the channel for transmission for both the time offset and the transmission window.
A method comprising:
- determining, at an access point configured to transmit data over an unlicensed band, a transmission window beginning at a future time for the data to be transmitted over a channel of the unlicensed band;
- transmitting, at the access point, a message configured to reserve the channel for transmission for the transmission window beginning at the future time;
- estimating, at the access point, a time offset between the transmission window for transmission of the data over the channel of the unlicensed band and a second transmission window for transmission of the data over a licensed band by a second access point;
- and
- coordinating transmission over the channel of the unlicensed band based on the time offset.
An apparatus configured to transmit data over an unlicensed band, the apparatus comprising circuitry configured to:
- determine a transmission window beginning at a future time in which the data will be transmitted over a channel of the unlicensed band;
- and
- transmit a message configured to reserve the channel for transmission for the transmission window beginning at the future time, wherein the message comprises a time offset between a first time and a second time at which the message is transmitted, where the first time is the future time.
An apparatus configured to transmit data over an unlicensed band, comprising circuitry configured to:
- determine a transmission window beginning at a future time in which data will be transmitted over a channel of the unlicensed band;
- transmit a message configured to reserve the channel for transmission for the transmission window beginning at the future time;
- and
- determine a time offset between a current time and the future time, the future time comprising a beginning time of a next one of a plurality of transmission windows for transmission of the data over a channel of the unlicensed band;
- wherein the message is configured to reserve the channel for transmission for both the time offset and the transmission window.
One or more computer-readable storage media having instructions stored thereon, the instructions being executable by one or more processors to execute a method comprising:
- determining, at an access point configured to transmit data over an unlicensed band, a transmission window beginning at a future time in which the data will be transmitted over a channel of the unlicensed band;
- and
- transmitting, at the access point, a message configured to reserve the channel for transmission for the transmission window beginning at the future time, wherein the message comprises a time offset between a first time and a second time at which the message is transmitted, wherein the first time comprises the future time.
An apparatus configured to transmit data over an unlicensed band, comprising circuitry configured to:
- determine a transmission window beginning at a future time in which data will be transmitted over a channel of the unlicensed band;
- transmit a message configured to reserve the channel for transmission for the transmission window beginning at the future time;
- estimate a time offset between the transmission window for transmission of the data over the channel of the unlicensed band and a second transmission window for transmission of data over a licensed band by a second access point;
- and
- coordinate transmission over the channel of the unlicensed band based on the time offset.
Dependencies are inferred from the claim text.