Hybrid TDM/OFDM/CDM reverse link transmission
First Claim
1. A communication system comprising:
- an access network configured to select a multiple access transmission mode from a plurality of multiple access transmission modes, broadcast a signal indicating the selected multiple access transmission mode to at least one of a plurality of access terminals, and to schedule a transmission of data in one of a plurality of transmission time slots within a frame, from one of the access terminals in the selected multiple access transmission mode;
wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot,wherein the data comprises user data and overhead data,wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed,wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, andwherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented.
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Accused Products
Abstract
A communication system includes a plurality of access terminals, and an access network. The access network schedules a transmission of data in a time interval from one of the access terminals. The access network selects a multiple access transmission mode from a plurality of multiple access transmission modes, and broadcasts the selected multiple access transmission mode to the access terminals. The selected mode may include a mode in which data is code-division-multiplexed during the time interval, and modes in which data is code-division-multiplexed during a first portion of the time interval, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a second portion of the time interval.
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Citations
67 Claims
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1. A communication system comprising:
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an access network configured to select a multiple access transmission mode from a plurality of multiple access transmission modes, broadcast a signal indicating the selected multiple access transmission mode to at least one of a plurality of access terminals, and to schedule a transmission of data in one of a plurality of transmission time slots within a frame, from one of the access terminals in the selected multiple access transmission mode; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 63, 65, 66, 67)
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20. An access network comprising a scheduler configured to select a multiple access transmission mode from a plurality of multiple access transmission modes, broadcast a signal indicating the selected multiple access transmission mode to at least one of a plurality of access terminals, and to schedule a transmission of data in one of a plurality of transmission time slots within a frame, from one of the access terminals in the selected multiple access transmission mode;
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wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (21, 35, 36)
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22. An access terminal operable to transmit data in each of a plurality of multiple access transmission modes, the access terminal comprising a mode select unit, a receiver and a transmitter,
wherein the access terminal is configured to receive a signal indicating a selection of one of the plurality of multiple access transmission modes for one of a plurality of transmission time slots within a frame, and to transmit data in the selected multiple access transmission mode during the transmission time slot; -
wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (23, 24, 25, 33, 34)
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26. A method of transmitting data, comprising:
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selecting a multiple access transmission mode from a plurality of multiple access transmission modes; broadcasting a signal indicating the selected multiple access transmission mode to at least one of a plurality of access terminals; and scheduling a transmission of data in one of a plurality of transmission time slots within a frame, from one of the plurality of access terminals, in the selected multiple access transmission mode; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (27, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64)
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28. A method of transmitting data, comprising:
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receiving a signal indicative of a multiple access transmission mode selected from a plurality of multiple access transmission modes; and transmitting data in the selected multiple access transmission mode during one of a plurality of transmission time slots within a frame; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (29, 30, 31, 32)
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37. An access terminal operable to transmit data in each of a plurality of multiple access transmission modes, the access terminal comprising:
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means for receiving a signal indicating a selection of one of the plurality of multiple access transmission modes for one of a plurality of transmission time slots within a frame; and means for transmitting data in the selected one of the multiple access transmission mode during the transmission time slot; wherein said means for transmitting comprises; means for transmitting the data in a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (38, 39, 40)
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41. A non-transitory storage medium embodying executable instructions, the instructions comprising:
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code for causing an access terminal (AT) to receive a signal indicating a selection of one of the plurality of multiple access transmission modes for one of a plurality of transmission time slots within a frame; and code for causing the AT to transmit data in the selected one of the multiple access transmission mode during the transmission time slot; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (42, 43, 44)
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45. An access network comprising:
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a scheduler configured to select a multiple access transmission mode from a plurality of multiple access transmission modes, and to schedule a transmission of data from an access terminal to occur in one of a plurality of transmission time slots within a frame, and to use the selected multiple access transmission mode; and a transmitter configured to transmit a signal indicating the selected multiple access transmission mode to the access terminal; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed, wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (46, 47, 48)
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49. A non-transitory storage medium embodying executable instructions, the instructions comprising:
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code for causing an access network (AN) to select a multiple access transmission mode from a plurality of multiple access transmission modes; code for causing the AN to schedule a transmission of data from an access terminal to occur in one of a plurality of transmission time slots within a frame and to use the selected multiple access transmission mode; and code for causing the AN to transmit a signal indicating the selected multiple access transmission mode to the access terminal; wherein the plurality of multiple access transmission modes comprises a hybrid multiple access transmission mode in which data is code-division-multiplexed during a portion of a single transmission time slot, and data is either time-division-multiplexed or orthogonal-frequency-division-multiplexed during a remaining portion of the single transmission time slot, wherein the data comprises user data and overhead data, and wherein transmission of the user data is prohibited during said portion of said single transmission time slot in which the data is code-division-multiplexed wherein the data comprises user data to be transmitted through a traffic channel and overhead data to be transmitted through an overhead channel, and wherein the plurality of transmission modes comprises transmission modes that allow for a transmission of overhead data through the overhead channel only during a portion of a single transmission time slot in which code-division-multiplexing is implemented. - View Dependent Claims (50, 51, 52)
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Specification