SHARING CHANNELS IN A LICENSED-ASSISTED ACCESS IN LONG TERM EVOLUTION OPERATION
11 Assignments
0 Petitions
Accused Products
Abstract
A channel sharing method includes determining a starting time for transmission on an LAA-LTE channel. A length of a hybrid preamble is determined based on the starting time and a predetermined transmission time boundary. Subsequent to determining the length of the hybrid preamble, the hybrid preamble having the determined length is transmitted. Subsequent to the hybrid preamble, a Long Term Evolution (LTE) signal is transmitted.
-
Citations
59 Claims
-
1-39. -39. (canceled)
-
40. A method for transmitting on a Licensed-Assisted Access in Long Term Evolution (LAA-LTE) channel, comprising:
-
determining a starting time for transmission on the LAA-LTE channel; determining a length of a preamble based on the starting time and based on a predetermined transmission time boundary; transmitting, by an evolved Node B (eNB) and subsequent to determining the length of the preamble, the preamble having the determined length, wherein the preamble is transmitted in a first subframe that is prior to the predetermined transmission time boundary, and the preamble is transmitted during a time period corresponding to a subset of fewer than all orthogonal frequency-division multiplexing (OFDM) symbols within the first subframe; transmitting, subsequent to transmitting the preamble, a Long Term Evolution (LTE) signal, wherein the LTE signal is transmitted in a second subframe different than the first subframe, the second subframe being after the predetermined transmission time boundary; transmitting, to a user equipment (UE), a transmission grant that grants a transmission of a second LTE signal, wherein the second LTE signal is transmitted without a preceding preamble; and subsequent to transmitting the transmission grant, receiving, from the UE, the second LTE signal without a preceding preamble. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47)
-
-
48. A base station, comprising:
-
a memory; and at least one hardware processor communicatively coupled with the memory and configured to; determine a starting time for transmission on a Licensed-Assisted Access in Long Term Evolution (LAA-LTE) channel; determine a length of a preamble based on the starting time and based on a predetermined transmission time boundary; transmit, subsequent to determination of the length of the preamble, the preamble having the determined length, wherein the preamble is transmitted in a first subframe that is prior to the predetermined transmission time boundary, and the preamble is transmitted during a time period corresponding to a subset of fewer than all orthogonal frequency-division multiplexing (OFDM) symbols within the first subframe; transmit, subsequent to transmission of the preamble, a Long Term Evolution (LTE) signal, wherein the LTE signal is transmitted in a second subframe different than the first subframe, the second subframe being after the predetermined transmission time boundary; transmit, to a user equipment (UE), a transmission grant that grants a transmission of a second LTE signal, wherein the second LTE signal is transmitted without a preceding preamble; and subsequent to transmission of the transmission grant, receiving, from the UE, the second LTE signal without a preceding preamble. - View Dependent Claims (49, 50, 51, 52, 53)
-
-
54. A non-transitory computer-readable medium containing instructions which, when executed, cause a computing device to perform operations comprising:
-
determining a starting time for transmission on the LAA-LTE channel; determining a length of a preamble based on the starting time and based on a predetermined transmission time boundary; transmitting, by an evolved Node B (eNB) and subsequent to determining the length of the preamble, the preamble having the determined length, wherein the preamble is transmitted in a first subframe that is prior to the predetermined transmission time boundary, and the preamble is transmitted during a time period corresponding to a subset of fewer than all orthogonal frequency-division multiplexing (OFDM) symbols within the first subframe; transmitting, subsequent to transmitting the preamble, a Long Term Evolution (LTE) signal, wherein the LTE signal is transmitted in a second subframe different than the first subframe, the second subframe being after the predetermined transmission time boundary; transmitting, to a user equipment (UE), a transmission grant that grants a transmission of a second LTE signal, wherein the second LTE signal is transmitted without a preceding preamble; and subsequent to transmitting the transmission grant, receiving, from the UE, the second LTE signal without a preceding preamble. - View Dependent Claims (55, 56, 57, 58, 59)
-
Specification