IP Library › Granted Patent US 12,309,014
Granted Patent B2
US 12,309,014 · App. 17/385,530 · Granted May 20, 2025

Methods, systems and apparatuses for operation in long-term evolution (LTE) systems

Inventors: Pouriya Sadeghi (San Diego, CA); J. Patrick Tooher (Montreal, CA); Janet Stern-Berkowitz (Little Neck, NY); Moon-il Lee (Melville, NY); Ghyslain Pelletier (Montréal, CA); Nobuyuki Tamaki (Melville, NY); Shahrokh Nayeb Nazar (San Diego, CA); Li-Hsiang Sun (San Diego, CA)
Assignee: InterDigital Patent Holdings, Inc.
H04L27/2649H04L5/003H04L5/005H04W68/02H04W72/23H04W72/51H04L5/001H04L5/0023H04L5/0092H04L5/14H04W72/30
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Quick Facts
Patent No.
US 12,309,014
App. No.
17/385,530
Granted
May 20, 2025
Kind
B2
Abstract

Methods, systems and apparatuses for operation in long-term evolution (LTE) systems are provided, including a method implemented in a base station that may include receiving, from a wireless transmit/receive unit (WTRU) via a first interface, a first message including radio capability information associated with the WTRU; transmitting, to a mobility management entity (MME) via a second interface, a second message including the radio capability information; receiving, from the MME via the second interface, a paging message including the radio capability information; and determining whether to page the WTRU in idle mode based on the radio capability information. Also provided is another method implemented by a WTRU in a vicinity of a dormant cell. This method may include any of: receiving, from a dormant cell, a signal; receiving, from a serving cell, a trigger to initiate measurement of one or more dormant cells; and measuring the signal.

Claims (30)

1. A method implemented in a wireless transmit/receive unit (WTRU), the method comprising:

receiving, from a cell, configuration information indicating at least one set of random access information, including one or more preamble sequences and one or more uplink resources to use to request a transmission of a system information (SI) message;

transmitting, to the cell, a preamble sequence of the one or more preamble sequences using at least one of the one or more uplink resources;

receiving a random access response (RAR); and

performing a procedure to acquire the SI message, wherein the SI message includes one or more SI blocks.

2. The method of claim 1 , wherein the one or more preamble sequences and one or more uplink resources are received in one or more other system information blocks.

3. The method of claim 1 , wherein the configuration information comprises information indicating one or more transmission powers for the one or more preamble sequences.

4. The method of claim 1 , wherein the at least one of the one or more uplink resources is reserved for the WTRU.

5. The method of claim 1 , further comprising maintaining the at least one set of random access information.

6. The method of claim 1 , further comprising:

receiving, from the cell, one or more system information blocks comprising the configuration information.

7. The method of claim 1 , wherein the at least one of the one or more uplink resources is one or more physical resource blocks.

8. The method of claim 1 , wherein the RAR comprises information indicating the preamble sequence of the one or more preamble sequences.

9. The method of claim 8 , wherein the information indicating the preamble sequence of the one or more preamble sequences comprises an index.

10. The method of claim 1 , wherein the one or more SI blocks comprise information not available from broadcasted SI blocks.

11. A wireless transmit/receive unit (WTRU) comprising circuitry, including a processor and memory, configured to:

receive, from a cell, configuration information indicating at least one set of random access information, including one or more preamble sequences and one or more uplink resources to use to request a transmission of a system information (SI) message;

transmit, to the cell, a preamble sequence of the one or more preamble sequences using at least one of the one or more uplink resources;

receive a random access response (RAR); and

perform a procedure to acquire the SI message, wherein the SI message includes one or more SI blocks.

12. The WTRU of claim 11 wherein the one or more preamble sequences and one or more uplink resources are received in one or more other system information blocks.

13. The WTRU of claim 11 , wherein the configuration information comprises information indicating one or more transmission powers for the one or more preamble sequences.

14. The WTRU of claim 11 , wherein the at least one of the one or more uplink resources is reserved for the WTRU.

15. The WTRU of claim 11 , wherein the circuitry is further configured to maintain the at least one set of random access information.

16. The WTRU of claim 11 , wherein the circuitry is further configured to:

receive, from the cell, one or more system information blocks comprising the configuration information.

17. The WTRU of claim 11 , wherein the at least one of the one or more uplink resources is one or more physical resource blocks.

18. The WTRU of claim 11 , wherein the RAR comprises information indicating the preamble sequence of the one or more preamble sequences.

19. The WTRU of claim 18 , wherein the information indicating the preamble sequence of the one or more preamble sequences comprises an index.

20. The WTRU of claim 11 , wherein the one or more SI blocks comprise information not available from broadcasted SI blocks.

Continuity (8)
Continuation 16571507 · Sep 16, 2019
Continuation 15393607 · Dec 29, 2016
Continuation 14036327 · Sep 25, 2013
Provisional Application 61863090 · Aug 7, 2013
Provisional Application 61807952 · Apr 3, 2013
Provisional Application 61753375 · Jan 16, 2013
Provisional Application 61706122 · Sep 26, 2012
Related Publication 20210360583A1 · Nov 18, 2021
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