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US 11,115,985 B2Granted
PBCH transmission method and apparatus
AssigneeHuawei Technologies Co., Ltd.
InventorsJianqin Liu, Chuanfeng He
Life of this patent
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Abstract
A physical broadcast channel (PBCH) transmission method and an apparatus. The method includes scrambling PBCH based on a first scrambling code of the PBCH, where the first scrambling code is one of four scrambling codes, where a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) indicates one value of four values, and where the four scrambling codes have a one-to-one correspondence with the four values, and sending the PBCH to a terminal device.
Claims25
A scrambling method, comprising:
- scrambling a physical broadcast channel (PBCH) according to a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second lesat significant bit and the third least significant bit of the SFN,
- wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, wherein the second least significant bit is a ninth bit place in the ten bits of the SFN, and
- sending the PBCH to a terminal device.
An apparatus, comprising:
- one or more processors;
- and
- a non-transitory computer-readable storage medium storing a program to be executed by the one or more processors, to cause the apparatus to:
- scramble a physical broadcast channel (PBCH) based on a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN,
- wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN;
- and
- send the PBCH to a terminal device.
4 more elements
A non-transitory computer readable medium, comprising computer program instructions which, when executed by one or more processors of an apparatus, cause the apparatus to:
- scramble a physical broadcast channel (PBCH) based on a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN, wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN;
- and
- send the PBCH to a terminal device.
A communications method, comprising:
- receiving a physical broadcast channel (PBCH) from a network device;
- decoding the PBCH according to a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN,
- wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN.
An apparatus, comprising:
- one or more processors;
- and
- a non-transitory computer readable memory storing a program which, when executed by the one or more processors, causes the apparatus to:
- receive a physical broadcast channel (PBCH) from a network device;
- and
- decode the PBCH according to a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN;
- wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN.
4 more elements
A non-transitory computer readable medium, comprising computer program instructions which when executed by one or more processors cause an apparatus to:
- receive a physical broadcast channel (PBCH) from a network device;
- and
- decode the PBCH according to a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01,10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN,
- wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN.
1 more element
A communication system, comprising:
- a network device;
- and
- a terminal device;
- wherein the network device is configured to scramble a physical broadcast channel (PBCH) according to a first scrambling code of the PBCH, wherein the first scrambling code is one of four scrambling codes, wherein a value of a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) of a radio frame of the PBCH is one value of four values, the four values comprising 00, 01, 10 and 11, wherein the four scrambling codes have a one-to-one correspondence with the four values, and wherein the first scrambling code corresponds to the value of the combination of the second least significant bit and the third least significant bit of the SFN, wherein the SFN comprises ten bits, wherein the third least significant bit is in an eighth bit place in the ten bits of the SFN, and wherein the second least significant bit is a ninth bit place in the ten bits of the SFN;
- wherein the network device is further configured to send the PBCH to the terminal device;
- and
- wherein the terminal device is configured to receive the PBCH and to decode the PBCH according to the first scrambling code of the PBCH.
4 more elements
Dependencies are inferred from the claim text.