18541368. PREAMBLE AND PHYSICAL UPLINK SHARED CHANNEL RESOURCE ORDERING AND SCRAMBLING IDENTIFIER GENERATION FOR TWO-STEP RANDOM ACCESS CHANNEL PROCEDURE simplified abstract (QUALCOMM Incorporated)
PREAMBLE AND PHYSICAL UPLINK SHARED CHANNEL RESOURCE ORDERING AND SCRAMBLING IDENTIFIER GENERATION FOR TWO-STEP RANDOM ACCESS CHANNEL PROCEDURE
Organization Name
Inventor(s)
Wanshi Chen of San Diego CA (US)
Peter Gaal of San Diego CA (US)
PREAMBLE AND PHYSICAL UPLINK SHARED CHANNEL RESOURCE ORDERING AND SCRAMBLING IDENTIFIER GENERATION FOR TWO-STEP RANDOM ACCESS CHANNEL PROCEDURE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18541368 titled 'PREAMBLE AND PHYSICAL UPLINK SHARED CHANNEL RESOURCE ORDERING AND SCRAMBLING IDENTIFIER GENERATION FOR TWO-STEP RANDOM ACCESS CHANNEL PROCEDURE
Simplified Explanation
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a random access channel (RACH) occasion (RO) configuration that includes information related to ordered preamble resources. The UE may generate a preamble resource index according to various parameters selected based on the RO configuration information that relates to the ordered preamble resources. The UE may generate an uplink RACH message that includes a preamble based at least in part on the preamble resource index and a payload associated with a physical uplink shared channel (PUSCH) resource unit (PRU) mapped to the preamble resource index. After decoding the uplink RACH message, the base station may send a response message including scrambled downlink control information (e.g., based on a scrambling identifier or payload information associated with the uplink RACH message). Numerous other aspects are provided.
- Explanation:
- UE receives RO configuration from base station - UE generates preamble resource index based on RO configuration - UE sends uplink RACH message with preamble and payload - Base station decodes message and sends response with downlink control information
- Potential Applications:
- Wireless communication systems - Mobile networks - Internet of Things (IoT) devices
- Problems Solved:
- Efficient random access in wireless networks - Improved communication between UE and base station
- Benefits:
- Faster and more reliable data transmission - Enhanced network performance - Reduced interference in wireless communication
- Potential Commercial Applications:
- Telecommunication companies - IoT device manufacturers - Network equipment providers
- Possible Prior Art:
- Previous methods of random access in wireless networks - Existing techniques for uplink and downlink communication
- Unanswered Questions:
1. How does the UE determine the parameters for generating the preamble resource index? 2. What specific information is included in the response message sent by the base station after decoding the uplink RACH message?
Original Abstract Submitted
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a random access channel (RACH) occasion (RO) configuration that includes information related to ordered preamble resources. The UE may generate a preamble resource index according to various parameters selected based on the RO configuration information that relates to the ordered preamble resources. The UE may generate an uplink RACH message that includes a preamble based at least in part on the preamble resource index and a payload associated with a physical uplink shared channel (PUSCH) resource unit (PRU) mapped to the preamble resource index. After decoding the uplink RACH message, the base station may send a response message including scrambled downlink control information (e.g., based on a scrambling identifier or payload information associated with the uplink RACH message). Numerous other aspects are provided.
