Uplink power control for distributed wireless communication
First Claim
Patent Images
1. An evolved nodeB (eNodeB), comprising:
- a processor configured to generate, for a wireless transmit/receive unit (WTRU), a first closed power control loop for a first set of transmission time intervals (TTIs) and a second closed power control loop for a second set of TTIs;
a transmitter configured to transmit, to the WTRU, first power commands for the first closed power control loop and second power commands for the second closed power control loop;
a receiver configured to receive, from the WTRU, a transmission in the first set of TTIs at a transmission power level based on the first closed power control loop, and to receive, from the WTRU, a transmission in the second set of TTIs at a transmission power level based on the second closed power control loop; and
wherein the processor is further configured to transmit information relating to the first closed power control loop for the first set of TTIs and the second closed power control loop for the second set of TTIs to a neighboring eNodeB over an X2 interface.
0 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus for power control for distributed wireless communication is disclosed including one or more power control loops associated with a wireless transmit/receive unit (WTRU). Each power control loop may include open loop power control or closed loop power control. A multi-phase power control method is also disclosed with each phase representing a different time interval and a WTRU sends transmissions at different power levels to different set of node-Bs or relay stations during different phases to optimize communications.
13 Citations
14 Claims
-
1. An evolved nodeB (eNodeB), comprising:
-
a processor configured to generate, for a wireless transmit/receive unit (WTRU), a first closed power control loop for a first set of transmission time intervals (TTIs) and a second closed power control loop for a second set of TTIs; a transmitter configured to transmit, to the WTRU, first power commands for the first closed power control loop and second power commands for the second closed power control loop; a receiver configured to receive, from the WTRU, a transmission in the first set of TTIs at a transmission power level based on the first closed power control loop, and to receive, from the WTRU, a transmission in the second set of TTIs at a transmission power level based on the second closed power control loop; and wherein the processor is further configured to transmit information relating to the first closed power control loop for the first set of TTIs and the second closed power control loop for the second set of TTIs to a neighboring eNodeB over an X2 interface. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method for use in an evolved nodeB (eNodeB), the method comprising:
-
generating, for a wireless transmit/receive unit (WTRU), a first closed power control loop for a first set of transmission time intervals (TTIs) and a second closed power control loop for a second set of TTIs; transmitting, to the WTRU, first power commands for the first closed power control loop and second power commands for the second closed power control loop; receiving, from the WTRU a transmission in the first set of TTIs at a transmission power level based on the first closed power control loop; receiving, from the WTRU, a transmission in the second set of TTIs at a transmission power level based on the second closed power control loop; and transmitting, to a neighboring eNodeB over an X2 interface, information relating to the first closed power control loop for the first set of TTIs and information relating to the second closed power control loop for the second set of TTIs. - View Dependent Claims (9, 10, 11, 12, 13, 14)
-
Specification