PRACH Signals with Different Bandwidths
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Abstract
The present disclosure concerns radio communication. More particularly, the present disclosure concerns random access procedures used in communication between user equipments (UEs) and radio network nodes, such as evolved NodeB'"'"'s. According to one exemplary embodiment disclosed herein, a method in a UE 10 comprises transmitting 110, 130 two or more Physical Random Access Channel, PRACH, signals, where the two or more PRACH signals have different frequency bandwidths. Hereby it is made possible to improve the resource utilization during the random access procedure.
44 Citations
52 Claims
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1-26. -26. (canceled)
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27. A method performed by a user equipment (UE), the method comprising:
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transmitting a first Physical Random Access Channel (PRACH) signal to a radio network node, wherein the first PRACH signal has a first frequency bandwidth; and transmitting a second PRACH signal to the radio network node, wherein the second PRACH signal has a second frequency bandwidth that is different from the first frequency bandwidth. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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36. A method performed by a radio network node, the method comprising:
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receiving a first Physical Random Access Channel (PRACH) signal from a user equipment (UE), wherein the first PRACH signal has a first frequency bandwidth; and receiving a second PRACH signal from the UE, wherein the second PRACH signal has a second frequency bandwidth that is different from the first frequency bandwidth. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
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44. A user equipment (UE), comprising:
a transmitter configured to transmit a first Physical Random Access Channel (PRACH) signal to a radio network node, wherein the first PRACH signal has a first frequency bandwidth; and
further configured to transmit a second PRACH signal to the radio network node, wherein the second PRACH signal has a second frequency bandwidth that is different from the first frequency bandwidth.- View Dependent Claims (45, 46, 47, 48)
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49. A radio network node comprising:
a receiver configured to receive a first Physical Random Access Channel (PRACH) signal from a user equipment (UE) wherein the first PRACH signal has a first frequency bandwidth; and
configured further to receive a second PRACH signal from the UE, wherein the second PRACH signal has a second frequency bandwidth that is different from the first frequency bandwidth.- View Dependent Claims (50, 51, 52)
Specification