IP Library › Granted Patent US 10,715,371

Granted Patent B2

US 10,715,371 · App. 16/122,367 · Granted Jul 14, 2020

Method and apparatus of NR RMSI coreset configuration in MIB

Inventors: Hongbo Si (Plano, TX); Young-Han Nam (Plano, TX); Youngbum Kim (Seoul, KR); Taehyoung Kim (Seoul, KR)

Assignee: Samsung Electronics Co., Ltd.

H04L27/266 H04L5/0007 H04L27/2657 H04L27/2666 H04W48/12 H04W56/001 H04W72/0453 H04W72/0406 H04W88/02 H04W88/08

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Quick Facts

Patent No.: US 10,715,371
App. No.: 16/122,367
Granted: Jul 14, 2020
Kind: B2

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Abstract

A method of a BS for control information configuration comprises determining a frequency offset including an RB and RE level frequency offset, wherein the frequency offset is determined based on a lowest RE of an SS/PBCH block and a lowest RE of CORESET for RMSI, jointly configuring, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a BW of the CORESET, and a number of symbols for the CORESET for a combination of a SCS of the SS/PBCH block and a SCS of the CORESET, configuring using a second field of the 4 bits generating an MIB including the RB level frequency offset and the RE level frequency offset; and transmitting, to a UE, the MIB over a PBCH.

Claims (120)

1. A user equipment (UE) for control information configuration in a wireless communication system, the UE comprising:

a transceiver configured to receive, from a base station (BS), a master information block (MIB) over a physical broadcasting channel (PBCH); and

a processor operably connected to the transceiver, the processor configured to determine a frequency offset from the received MIB, wherein:

the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of control resource set (CORESET) for remaining minimum system information (RMSI),

the frequency offset includes a resource block (RB) level frequency offset and a resource element (RE) level frequency offset,

the RB level frequency offset is jointly configured, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET, and

the RE level frequency offset is configured using a second field of the 4 bits.

2. The UE of claim 1 , wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET; or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

3. The UE of claim 2 , wherein, for the first multiplexing pattern:

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from 0, 2, or 4 RBs;

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 12 or 16 RBs;

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the configuration of the RB level frequency offset is determined as 38 RBs;

for SCS SS =15 kHz, SCS CORESET =30 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from 6, 7, or 8 RBs;

for SCS SS =15 kHz, SCS CORESET =30 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 18 or 20 RBs;

for SCS SS =30 kHz, SCS CORESET =15 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 2 or 6 RBs;

for SCS SS =30 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the configuration of the RB level frequency offset is determined as 28 RBs;

for SCS SS =30 kHz, SCS CORESET =30 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from 0, 1, 2, 3, or 4 RBs;

for SCS SS =30 kHz, SCS CORESET =30 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 12, 14, or 16 RBs;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 8 RBs;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the configuration of the RB level frequency offset is determined as 28 RBs;

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 4 RBs, respectively;

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as 14 RBs;

for SCS SS =240 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 16 RBs; and

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 8 RBs.

4. The UE of claim 2 , wherein, for the second multiplexing pattern:

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from −42 or 49 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −41 or 49 RBs, when the configured RE level frequency offset is determined as 0;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the configuration of the RB level frequency offset is determined as one from −42 or 97 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −41 or 97 RBs, when the configured RE level frequency offset is determined as 0;

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from −42 or 25 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −41 or 25 RBs, when the configured RE level frequency offset is determined as 0; and

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from −42 or 49 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −41 or 49 RBs, when the configured RE level frequency offset is determined as 0; and for the third multiplexing pattern:

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the configuration of the RB level frequency offset is determined as one from −21 or 24 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −20 or 24 RBs, when the configured RE level frequency offset is determined as 0; and

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the configuration of the RB level frequency offset is determined as one from −21 or 48 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −20 or 48 RBs, when the configured RE level frequency offset is determined as 0.

5. A base station (BS) for control information configuration in a wireless communication system, the BS comprising:

a processor configured to:

determine a frequency offset including a resource block (RB) level frequency offset and a resource element (RE) level frequency offset, wherein the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of a control resource set (CORESET) for remaining minimum system information (RMSI);

jointly configure, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET,

configure, using a second field of the 4 bits, the RE level frequency offset, and

generate a master information block (MIB) including the configured RB level frequency offset and the configured RE level frequency offset; and

a transceiver operably connected to the processor, the transceiver configured to transmit, to a user equipment (UE), the MIB over a PBCH.

6. The BS of claim 5 , wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET; or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

7. The BS of claim 6 , wherein, for the first multiplexing pattern, the RB level frequency offset is configured from a number of configurations, the number of configurations being determined based on the SCS of the SS/PBCH block, the SCS of the CORESET, the bandwidth of the CORESET, a bandwidth of a carrier on which the SS/PBCH block is transmitted, and a minimum carrier bandwidth of the carrier on which the SS/PBCH block is transmitted, and given by:

[( BW carrier min −BW SS *SCS SS /SCS CORESET )/( BW carrier −BW CORESET +R carrier )]

where BW carrier min is the minimum carrier bandwidth of the carrier, BW SS is the bandwidth of the SS/PBCH block, SCS SS is the subcarrier spacing of the SS/PBCH block, SCS CORESET is the subcarrier spacing of the CORESET, BW carrier is the bandwidth of the carrier wherein the SS/PBCH block is transmitted, BW CORESET is the bandwidth of the CORESET, and R carrier is a RB level carrier raster.

8. The BS of claim 7 , wherein, for the first multiplexing pattern:

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =24 RBs, the number of configurations of the RB level frequency offset is 3, and configurations of the RB level frequency offset are 0, 2, and 4 RBs, respectively;

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 12 and 16 RBs, respectively;

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 38 RBs;

for SCS SS =15 kHz, SCS CORESET =30 kHz, BW CORESET =24 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 6, 7, and 8 RBs, respectively;

for SCS SS =15 kHz, SCS CORESET =30 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 18 and 20 RBs, respectively;

for SCS SS =30 kHz, SCS CORESET =15 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 2 and 6 RBs, respectively;

for SCS SS =30 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS SS =30 kHz, SCS CORESET =30 kHz, BW CORESET =24 RBs, the number of configurations of the RB level frequency offset is 5, and the configurations of the RB level frequency offset are 0, 1, 2, 3, and 4 RBs, respectively;

for SCS SS =30 kHz, SCS CORESET =30 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 12, 14, and 16 RBs, respectively;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 4 RBs, respectively;

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 14 RBs;

for SCS SS =240 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 16 RBs, respectively; and

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively.

9. The BS of claim 6 , wherein, for the second multiplexing pattern, and for a combination of SCS of the SS/PBCH block, the SCS of the CORESET, and the bandwidth of the CORESET, the RB level frequency offset is configured from a number of configurations, the number of configurations being 2,

wherein a first configuration of the RB level frequency offset is determined as −BW SS *SCS SS /SCS CORESET −2 when the configured RE level frequency offset is not 0, and is determined as −BW SS *SCS SS /SCS CORESET −1 when the configured RE level frequency offset is 0, and a second configuration of the RB level frequency offset is determined as BW CORESET +1.

10. The BS of claim 9 , wherein, for the second multiplexing pattern:

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =48 RBs, the first and second configurations of the RB level frequency offset are −42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −41 and 49 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the first and second configurations of the RB level frequency offset are −42 and 97 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −41 and 97 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the first and second configurations of the RB level frequency offset are −42 and 25 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −41 and 25 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS SS =240 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the first and second configurations of the RB level frequency offset are −42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −41 and 49 RBs, respectively, when the configured RE level frequency offset is 0.

11. The BS of claim 6 , wherein:

for the third multiplexing pattern, and for a combination of SCS of the SS/PBCH block, the SCS of the CORESET, and the bandwidth of the CORESET, the RB level frequency offset is configured from a number of configurations, the number of configurations being 2,

wherein a first configuration of the RB level frequency offset is determined as −BW SS −1 when the configured RE level frequency offset is not 0, and is determined as −BW SS when the configured RE level frequency offset is 0; and a second configuration of the RB level frequency offset is determined as BW CORESET .

12. The BS of claim 11 , wherein, for the third multiplexing pattern:

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =24 RBs, the first and second configurations of the RB level frequency offset are −21 and 24 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −20 and 24 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the first and second configurations of the RB level frequency offset are −21 and 48 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −20 and 48 RBs, respectively, when the configured RE level frequency offset is 0.

13. A method of a base station (BS) for control information configuration in a wireless communication system, the method comprising:

determining a frequency offset including a resource block (RB) level frequency offset and a resource element (RE) level frequency offset, wherein the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of control resource set (CORESET) for remaining minimum system information (RMSI);

jointly configuring, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET;

configuring, using a second field of the 4 bits, the RE level frequency offset;

generating a master information block (MIB) including the RB level frequency offset and the RE level frequency offset; and

transmitting, to a user equipment (UE), the MIB over a PBCH.

14. The method of claim 13 , wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET; or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

15. The method of claim 14 , wherein, for the first multiplexing pattern, a number of configurations of RB level frequency offsets is determined based on the SCS of the SS/PBCH block, the SCS of the CORESET, the bandwidth of the CORESET, a bandwidth of a carrier on which the SS/PBCH block is transmitted, and a minimum carrier bandwidth of the carrier on which the SS/PBCH block is transmitted, and given by:

[( BW carrier min −BW SS *SCS SS /SCS CORESET )/( BW carrier −BW CORESET +R carrier )]

16. The method of claim 15 , wherein, for the first multiplexing pattern:

for SCS SS =15 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 38 RBs;

for SCS SS =30 kHz, SCS CORESET =15 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS SS =120 kHz, SCS CORESET =60 kHz, BW CORESET =96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS SS =120 kHz, SCS CORESET =120 kHz, BW CORESET =48 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 14 RBs;

17. The method of claim 14 , wherein:

for the second multiplexing pattern, a number of configurations of RB level frequency offsets is 2; and

a first configuration of the RB level frequency offset is determined as −BW SS *SCS SS /SCS CORESET −2 when the configured RE level frequency offset is not 0, and is determined as −BW SS *SCS SS /SCS CORESET −1 when the configured RE level frequency offset is 0; and a second configuration of the RB level frequency offset is determined as BW CORESET +1.

18. The method of claim 17 , wherein, for the second multiplexing pattern:

19. The method of claim 14 , wherein, for the third multiplexing pattern, a number of configurations of RB level frequency offsets is 2,

wherein a second configuration of the RB level frequency offset is determined as BW CORESET .

20. The method of claim 19 , wherein, for the third multiplexing pattern:

Assignments (2)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2020

From: KIM, TAEHYOUNG

To: SAMSUNG ELECTRONICS CO., LTD.

Reel/Frame 054755/0672 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 5, 2018

From: SI, HONGBO; NAM, YOUNG-HAN; KIM, YOUNGBUM; KIM, TAEHYUNG

To: SAMSUNG ELECTRONICS CO., LTD.

Reel/Frame 046793/0001 →

Continuity (14)

Provisional Application 62713071 · Aug 1, 2018

Provisional Application 62673444 · May 18, 2018

Provisional Application 62653220 · Apr 5, 2018

Provisional Application 62624931 · Feb 1, 2018

Provisional Application 62620000 · Jan 22, 2018

Provisional Application 62597480 · Dec 12, 2017

Provisional Application 62593430 · Dec 1, 2017

Provisional Application 62592926 · Nov 30, 2017

Provisional Application 62592192 · Nov 29, 2017

Provisional Application 62590792 · Nov 27, 2017

Provisional Application 62589750 · Nov 22, 2017

Provisional Application 62583162 · Nov 8, 2017

Provisional Application 62580174 · Nov 1, 2017

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