METHOD AND APPARATUS FOR POWER CONTROL OF FIRST DATA TRANSMISSION IN RANDOM ACCESS PROCEDURE OF FDMA COMMUNICATION SYSTEM
First Claim
1. A method for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
- employing a processor executing computer executable instructions stored on a computer readable storage medium to implement following acts;
performing transmit power control for transmitting a random access channel preamble sufficient for successful receipt; and
setting transmit power control for a first message transmitted on physical uplink shared channel based at least in part upon the random access channel preamble that was successfully received.
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Accused Products
Abstract
Transmit power is controlled for a first uplink data transmission on Physical Uplink Shared Channel (PUSCH) during random access channel (RACH) procedure. Power control adjustment for the first PUSCH transmission is performed relative to the power spectral density used for successful PRACH transmission as adjusted for bandwidth difference, etc. The uplink Physical random access channel carries the RACH information that is transmitted by the user equipment (UE) during registrations or base station originated calls. A PRACH is composed of a number of preambles and a message portion. The preambles are a series of radio frequency power “steps” that increase in power according to the power step setting until the maximum number of preambles is reached or the base station acknowledges. Once the UE receives a positive indication, it transmits the message portion of the PRACH which consists of message data and control data with independent power gain control.
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Citations
60 Claims
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1. A method for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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employing a processor executing computer executable instructions stored on a computer readable storage medium to implement following acts; performing transmit power control for transmitting a random access channel preamble sufficient for successful receipt; and setting transmit power control for a first message transmitted on physical uplink shared channel based at least in part upon the random access channel preamble that was successfully received. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A computer program product for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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at least one computer readable storage medium storing computer executable instructions that, when executed by at least one processor, implement components comprising; a first set of instructions for causing a computer to perform transmit power control on transmitting a random access channel preamble sufficient for successful receipt; and a second set of instructions for causing the computer to set transmit power control for a first message transmitted on physical uplink shared channel based at least in part upon the random access channel preamble that was successfully received.
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23. An apparatus for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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at least one processor; at least one computer readable storage medium storing computer executable instructions that, when executed by the at least one processor, implement components comprising; means for performing transmit power control on transmitting a random access channel preamble sufficient for successful receipt; and means for setting transmit power control for a first message transmitted on physical uplink shared channel based at least in part upon the random access channel preamble that was successfully received.
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24. An apparatus for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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a transmitter for transmitting a physical random access channel and physical uplink shared channel; a receiver; a medium access control layer for performing transmit power control on transmitting a random access channel preamble; and a physical layer for setting transmit power control for a first message transmitted on physical uplink shared channel based upon the random access channel preamble that was successfully received. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A method for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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employing a processor executing computer executable instructions stored on a computer readable storage medium to implement following acts; receiving a random access channel preamble; acknowledging successful receipt of the random access channel preamble; receiving a random access channel message containing an indication of transmit power control used for the random access channel preamble that was successfully received; and transmitting a random access response including a transmit power control command for a first message transmitted on physical uplink shared channel based at least in part upon a transmit power control for the random access channel preamble that was successfully received. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50)
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51. A computer program product for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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at least one computer readable storage medium storing computer executable instructions that, when executed by at least one processor, implement components comprising; a first set of instructions for receiving a random access channel preamble; a second set of instructions for acknowledging successful receipt of the random access channel preamble; a third set of instructions for receiving a random access channel message containing an indication of transmit power control used for the random access channel preamble that was successfully received; and a fourth set of instructions for transmitting a random access response including a transmit power control command for a first message transmitted on physical uplink shared channel based at least in part upon a transmit power control for the random access channel preamble that was successfully received.
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52. An apparatus for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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at least one processor; at least one computer readable storage medium storing computer executable instructions that, when executed by the at least one processor, implement components comprising; means for receiving a random access channel preamble; means for acknowledging successful receipt of the random access channel preamble; means for receiving a random access channel message containing an indication of transmit power control used for the random access channel preamble that was successfully received; and means for transmitting a random access response including a transmit power control command for a first message transmitted on physical uplink shared channel based at least in part upon a transmit power control for the random access channel preamble that was successfully received.
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53. An apparatus for transmit power control of a first message on physical uplink shared channel during a random access channel procedure on physical random access channel, comprising:
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a receiver for receiving a random access channel preamble on a physical random access channel; a transmitter for acknowledging successfully receipt of the random access channel preamble; the receiver further for receiving a random access channel message containing an indication of transmit power control for the random access channel preamble that was successfully received; and a computing platform for transmitting via the transmitter a random access response including a transmit power control command for a first message transmitted on physical uplink shared channel based at least in part upon a transmit power control for the random access channel preamble that was successfully received. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60)
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Specification