Method and apparatus for broadcast channel configuration and broadcast channel transmission and reception for communication system
AssigneeInnovative Technology Lab Co., Ltd.
InventorsDong Hyun PARK, Sung Jun YOON
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Abstract
A method, apparatus, and system for transmitting and receiving a physical broadcast channel (PBCH) are provided. A base station may perform a first scrambling process on PBCHs in a time period before a channel coding, and perform a second scrambling process after the channel coding. PHCH payloads and PBCH DMRS may provide information bits to be used in the scrambling processes. A wireless user device may receive one or more PBCHs transmitted from the base station.
Claims27
A method performed by a wireless user device, the method comprising:
- receiving, from a base station, a plurality of synchronization signal (SS) blocks in eight consecutive radio frames, wherein each SS block, of the plurality of SS blocks, comprises a physical broadcast channel (PBCH), and wherein each radio frame, of the eight consecutive radio frames, has a duration of 10 ms;
- descrambling, based on a sequence part of four sequence parts of a sequence, physical broadcast channels (PBCHs) in two consecutive radio frames of the eight consecutive radio frames, wherein the two consecutive radio frames comprise a maximum of four SS blocks;
- receiving a PBCH demodulation reference signal (DMRS) associated with two bits of an SS block index;
- and
- performing, based on the two bits of the SS block index, a descrambling on at least one PBCH, wherein the at least one PBCH is associated with the PBCH DMRS, and wherein the at least one PBCH is in the two consecutive radio frames.
A method performed by a wireless user device, the method comprising:
- receiving, from a base station, a plurality of synchronization signal (SS) blocks in eight consecutive radio frames, wherein each SS block, of the plurality of SS blocks, comprises a physical broadcast channel (PBCH), and wherein each radio frame, of the eight consecutive radio frames, has a duration of 10 ms;
- descrambling, based on a sequence part of four sequence parts of a sequence, physical broadcast channels (PBCHs) in two consecutive radio frames of the eight consecutive radio frames, wherein the two consecutive radio frames comprise a maximum of eight SS blocks or a maximum of 64 SS blocks;
- receiving a PBCH demodulation reference signal (DMRS) associated with three bits of an SS block index;
- and
- performing, based on the three bits of the SS block index, a descrambling on at least one PBCH, wherein the at least one PBCH is associated with the PBCH DMRS, and wherein the at least one PBCH is in the two consecutive radio frames.
Dependencies are inferred from the claim text.