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TR 38.872
Study on enhancement for 700/800/900MHz band combinations

3GPP‑Page  
V18.4.0 (Wzip)  2024/03  … p.
Rapporteur:
Ms. Shan, Huiping
CATT

full Table of Contents for  TR 38.872  Word version:  18.2.0

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1 Scope  2 References  3 Definitions of terms, symbols and abbreviations  4 Background  5 Specific Band combinations  5.1 CA_n5-n8  5.2 CA_n5-n28  5.3 CA_n8-n20-n28  $ Change history 

 

1  Scope  p. 7

The present document is the technical report for the study on enhancement for 700/800/900MHz band combinations under R18 time frame. The purpose is to gather the relevant background information and studies in order to address the study on enhancement for 700/800/900MHz band combinations in Table 1-1.
Configuration Uplink configuration
CA_n8-n20-n28CA_n8-n20, CA_n8-n28, CA_n20-n28
CA_n5-n8CA_n5-n8
CA_n5-n28CA_n5-n28
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2  References  p. 7

3  Definitions of terms, symbols and abbreviations  p. 7

3.1  Terms  p. 7

3.2  Symbols  p. 7

3.3  Abbreviations  p. 7

4  Background  p. 8

4.1  TR Maintenance  p. 8

5  Specific Band combinations  p. 9

5.1  CA_n5-n8  p. 9

5.1.0  General  p. 9

5.1.1  UE RF architecture assumption  p. 9

5.1.2  Common for 1 band UL and 2 bands UL of CA_n5-n8  p. 14

5.1.2.1  Operating bands for CA  p. 14

5.1.2.2  Channel bandwidths per operating band for CA  p. 14

5.1.2.3  UE co-existence studies  p. 14

5.1.2.4  ΔTIB,c and ΔRIB,c values  p. 15

5.1.2.5  REFSENS evaluation  p. 15

5.1.3  Specific for 2 bands UL of CA_n5-n8  p. 15

5.1.3.0  General  p. 15

5.1.3.1  Maximum output power for inter-band CA  p. 16

5.1.3.2  UE co-existence studies  p. 16

5.1.3.3  REFSENS evaluation  p. 17

5.1.4  Feasible RF implementations  p. 17

5.2  CA_n5-n28  p. 18

5.2.1  UE RF architecture assumption  p. 18

5.2.1.1  UE RF architecture with two antennas  p. 19

5.2.1.2  UE RF architecture with three antennas  p. 20

5.2.2  Common for 1 band UL and 2 bands UL of CA_n5-n28  p. 20

5.2.2.0  General  p. 20

5.2.2.1  Operating bands for CA  p. 20

5.2.2.2  Channel bandwidths per operating band for CA  p. 20

5.2.2.3  UE co-existence studies  p. 21

5.2.2.4  ΔTIB,c and ΔRIB,c values  p. 21

5.2.2.5  REFSENS evaluation  p. 21

5.2.3  Specific for 2 bands UL of fallback CA_n5-n28  p. 22

5.2.3.1  Maximum output power for inter-band CA  p. 22

5.2.3.2  UE co-existence studies  p. 22

5.2.3.3  REFSENS evaluation  p. 24

5.3  CA_n8-n20-n28  p. 26

5.3.1  UE RF architecture assumption  p. 26

5.3.1.0  General  p. 26

5.3.1.1  UE RF architecture with three antennas  p. 26

5.3.1.2  UE RF architecture with two antennas  p. 27

5.3.1.3  UE RF architecture with four antennas  p. 28

5.3.2  CA_n8-n20  p. 29

5.3.2.0  General  p. 29

5.3.2.1  Operating bands for CA  p. 29

5.3.2.2  Channel bandwidths per operating band for CA  p. 29

5.3.2.3  UE co-existence studies  p. 29

5.3.2.4  ΔTIB,c and ΔRIB,c values  p. 29

5.3.2.5  REFSENS requirements  p. 29

5.3.2.6  Maximum output power for UL inter-band CA  p. 29

5.3.2.7  UE co-existence studies for UL inter-band CA  p. 29

5.3.2.8  REFSENS evaluation for UL inter-band CA  p. 31

5.3.3  CA_n8-n28  p. 31

5.3.3.0  General  p. 31

5.3.3.1  Operating bands for CA  p. 31

5.3.3.2  Channel bandwidths per operating band for CA  p. 32

5.3.3.3  UE co-existence studies  p. 32

5.3.3.4  ΔTIB,c and ΔRIB,c values  p. 32

5.3.3.5  REFSENS requirements  p. 32

5.3.3.6  Maximum output power for UL inter-band CA  p. 32

5.3.3.7  UE co-existence studies for UL inter-band CA  p. 32

5.3.3.8  REFSENS requirements for UL inter-band CA  p. 34

5.3.4  CA_n20-n28  p. 34

5.3.4.1  General  p. 34

5.3.5  CA_n8-n20-n28  p. 35

5.3.5.1  Operating bands for CA  p. 35

5.3.5.2  Channel bandwidths per operating band for CA  p. 35

5.3.5.3  ΔTIB,c and ΔRIB,c values  p. 35

5.3.5.4  UE co-existence studies for UL inter-band CA  p. 36

5.3.5.5  REFSENS evaluation  p. 39

$  Change history  p. 41

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