ETSI TR 136 922 V15.0.0 (2018-07)

LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); TDD Home eNode B (HeNB) Radio Frequency (RF) requirements analysis (3GPP TR 36.922 version 15.0.0 Release 15)

ETSI TR 136 922 V15.0.0 (2018-07)

Name:ETSI TR 136 922 V15.0.0 (2018-07)   Standard name:LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); TDD Home eNode B (HeNB) Radio Frequency (RF) requirements analysis (3GPP TR 36.922 version 15.0.0 Release 15)
Standard number:ETSI TR 136 922 V15.0.0 (2018-07)   language:English language
Release Date:24-Jul-2018   technical committee:3GPP RAN 4 - Specification for radio performance
Drafting committee:   ICS number:
ETSI TR 136 922 V15.0.0 (2018-07)






TECHNICAL REPORT
LTE;
Evolved Universal Terrestrial Radio Access (E-UTRA);
TDD Home eNode B (HeNB) Radio Frequency (RF)
requirements analysis
(3GPP TR 36.922 version 15.0.0 Release 15)

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3GPP TR 36.922 version 15.0.0 Release 15 1 ETSI TR 136 922 V15.0.0 (2018-07)



Reference
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3GPP TR 36.922 version 15.0.0 Release 15 2 ETSI TR 136 922 V15.0.0 (2018-07)
Intellectual Property Rights
Essential patents
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Foreword
This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
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Modal verbs terminology
In the present document "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be
interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TR 36.922 version 15.0.0 Release 15 3 ETSI TR 136 922 V15.0.0 (2018-07)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 6
1 Scope . 7
2 References . 7
3 Definitions, symbols and abbreviations . 7
3.1 Definitions . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
4 General . 8
5 Radio scenarios . 8
5.1 Deployment configurations . 8
5.2 Interference scenarios . 9
6 RF Aspects . 10
6.1 Transmitter characteristics. 10
6.1.1 HeNB output power . 10
6.1.1.1 HeNB maximum output power . 10
6.1.1.1.1 Analysis . 10
6.1.1.1.2 Minimum requirement . 11
6.1.1.2 HeNB output power for adjacent UTRA channel protection . 11
6.1.1.3 HeNB output power for adjacent E-UTRA channel protection . 12
6.1.2 Frequency error . 12
6.1.2.1 Handover performance . 13
6.1.2.2 Cell capacity . 13
6.1.2.3 Timing . 15
6.1.2.4 Minimum requirement . 16
6.1.3 Adjacent Channel Leakage power Ratio (ACLR) . 16
6.1.3.1 Minimum requirement . 16
6.1.4 Operating band unwanted emissions . 17
6.1.4.1 Minimum requirements . 18
6.1.5 Spurious emissions . 20
6.1.5.1 Mandatory requirements . 20
6.1.5.2 Co-existence with HNB/HeNB operating in other bands . 20
6.1.5.2.1 Minimum requirement . 20
6.1.6 Transmitter intermodulation . 21
6.1.6.1 Minimum requirement . 22
6.2 Receiver characteristics . 22
6.2.1 Reference sensitivity level . 22
6.2.1.1 Uplink performance degradation of macrocell . 22
6.2.1.1.1 Simulation setup . 22
6.2.1.1.2 Simulation results . 23
6.2.1.2 HeNB desensitization . 23
6.2.1.3 Minimum requirement . 25
6.2.2 Dynamic range . 25
6.2.2.1 Deterministic analysis . 26
6.2.2.2 System-level simulations . 26
6.2.2.3 Minimum requirement . 27
6.2.3 Adjacent channel selectivity (ACS) and narrow-band blocking . 28
6.2.3.1 Simulation assumptions . 28
6.2.3.2 Simulation results . 29
6.2.3.3 Minimum requirements . 29
6.2.4 Blocking characteristics . 30
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3GPP TR 36.922 version 15.0.0 Release 15 4 ETSI TR 136 922 V15.0.0 (2018-07)
6.2.4.1 General blocking requirement . 30
6.2.4.1.1 Minimum requirement . 32
6.2.4.2 Co-location with other HNB/HeNB . 33
6.2.5 Receiver Intermodulation . 33
6.2.5.1 Analysis . 33
6.2.5.2 Minimum requirement . 34
6.2.6 In-channel selectivity . 35
6.2.6.1 Analysis . 35
6.2.6.2 Minimum requirement . 35
6.3 Performance requirement . 36
6.4 Synchronization requirement. 36
6.4.1 Synchronization Accuracy . 36
6.4.1.1 Synchronization error analysis . 36
6.4.1.2 Synchronization requirement . 38
6.4.2 Techniques for Synchronization . 38
6.4.2.1 Synchronization using Network Listening . 38
6.4.2.1.1 Interference Problems with Network Listening and Solutions . 39
6.4.2.1.2 MBSFN Subframe based Network Listening . 40
6.4.2.1.3 TDD Special Subframe based Network Listening . 41
6.4.2.1.4 Indication of Stratum Level and Synchronization Status . 43
6.4.2.1.5 Scheme Comparison . 46
7 Interference control . 47
7.1 HeNB measurements . 47
7.1.1 Measurements from all cells . 47
7.1.2 Measurements to identify surrounding cell layers . 48
7.1.3 Measurements from macro cell layer . 48
7.1.4 Measurements of other HeNB cells . 49
7.2 HeNB self-configuration . 49
7.2.1 Information Exchange between eNBs and HeNBs . 49
7.3 Uplink interference control. 51
7.3.1 Control Channel Protection . 51
7.3.1.1 HeNB Uplink Control Channel Protection . 51
7.3.1.2 Signalling offset over the backhaul . 52
7.3.2 Smart Power Control based on Path Loss to Worst Victim Macro eNodeB . 52
7.3.2.1 Power Cap Method . 53
7.3.2.1.1 Simulation Assumptions . 53
7.3.2.1.2 Simulation Results . 53
7.3.2.1.3 Discussion of Results . 56
7.3.2.2 Power Control based on PL from HUE to its serving HeNB and PL from HUE to its worst victim
MeNB . 56
7.3.2.2.1 Simulation Assumptions . 57
7.3.2.2.2 Simulation Results . 57
7.3.2.2.3 Discussion of Results . 58
7.3.2.3 For Future Releases . 58
7.4 Downlink interference control . 59
7.4.1 Control Channel Protection . 59
7.4.1.1 Control of HeNB downlink interference towards macro eNB control channels by frequency
partitioning with per-subband interference estimation . 59
7.4.1.2 Control of HeNB downlink interference among neighboring HeNBs control channels by
frequency partitioning . 60
7.4.2 Data Channel Protection . 61
7.4.2.1 Control of HeNB Downlink Interference towards macro eNB data channels by frequency

partition . 61
7.4.2.2 Control of HeNB Downlink Interference among neighboring HeNBs . 61
7.4.2.2.1 Centralized coordination. 61
7.4.2.2.2 Distributed Dynamic Frequency Partitioning . 62
7.4.2.3 Adaptive Frequency Selection . 62
7.4.2.4 Downlink interference management based on mapping between PCIs and transmission patterns . 63
7.4.2.5 Control of HeNB Downlink Interference by dynamically changing HeNB CSG ID . 64
7.4.3 Power Control . 64
7.4.3.1 HeNB power control based on HeNB-MUE path loss . 64
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3GPP TR 36.922 version 15.0.0 Release 15 5 ETSI TR 136 922 V15.0.0 (2018-07)
7.4.3.2 Smart power control based on interference measurement from macro BS . 65
7.5 Hybrid Cells . 66
7.5.1 Hybrid Access Level of Service . 66
7.5.2 DL Performance Evaluation . 67
7.5.3 Hybrid Cell RB Resource Management. 69
7.5.4 Hybrid Cell Power Management . 70
Annex A (informative): Change History . 71
History . 73

ETSI

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3GPP TR 36.922 version 15.0.0 Release 15 6 ETSI TR 136 922 V15.0.0 (2018-07)
Foreword
rd
This Technical Report has been produced by the 3 Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
Y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
ETSI

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3GPP TR 36.922 version 15.0.0 Release 15 7 ETSI TR 136 922 V15.0.0 (2018-07)
1 Scope
The present document is the technical report for the work item on LTE TDD HeNB RF requirements, which was
approved at TSG RAN#43. The objective of the WI is to first identify the relevant scenarios and then write an RF
requirements specification that is applicable to LTE TDD HeNB.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including
a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same
Release as the present document.
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[2] 3GPP TR 41.001: "GSM Release specifications".
[3] 3GPP TR 21.912: "Example 2, using fixed text".
[4] 3GPP TS36.211, "Physical Channels and Modulation".
[5] 3GPP TS36.104, "Base Station radio transmission and reception".
[6] 3GPP TS36.101, "User Equipment (UE) transmission and reception".
[7] 3GPP TR 25 967 : "FDD Home Node B (HNB) RF Requirements".
[8] 3GPP TR36.804, "Base Station (BS) radio transmission and reception”.
[9] 3GPP TR36.942, "Radio Frequency (RF) system scenarios".
[10] 3GPP TR25.951, "FDD Base Station (BS) classification".
[11] ITU-R Recommendation SM.329: "Unwanted emissions in the spurious domain".
[12] ITU-R M.1225, Guidelines for evaluation of radio interface technologies for IMT-Advanced
[13] 3GPP TS 36.213: "Physical layer procedures".
3 Definitions, symbols and abbreviations
3.1 Definitions
(Void)
3.2 Symbols
(Void)
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An
abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in
TR 21.905 [1].
ETSI

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3GPP TR 36.922 version 15.0.0 Release 15 8 ETSI TR 136 922 V15.0.0 (2018-07)
HeNB Home Enhanced Node B
HNB Home NodeB
CSG Closed Subscriber Group
GPS Global Positioning System

4 General
This work item has the following objectives:
1. Specify the RF requirements for the E-UTRA TDD Home eNodeB in TS36.104 and the corresponding updates
on the test specification in TS36.141. Some requirements could refer to the outcome of existing/ongoing related
studies.
2. Investigate and find out effective interference control schemes to ensure good performance of both macro layer
and HeNB. Although some of the studies could refer to UTRA HNB related work experience, e.g.
deployment/interference scenarios, amount of studies are needed to find out the effective interference control
schemes due to different physical techniques and system characters between E-UTRA and UTRA. The work
should include but not be limited to the followings,
• The operator has the means to obtain interference control related measurements reports from HeNB and/or
HUE, e.g. the strength of signals and the identity from the macro cell layer and from other HeNBs.
• The operator has the means to set the maximum output power and/or frequency of HeNB. This is expected to
introduce changes to TS36.104.
• The operator has the means to coordinate the HeNB and eNB timing and TDD configuration. This is
expected to introduce changes to TS36.104.
• The operator has guidance on how to control HeNB power and expected performance levels in the relevant
scenarios.
The scope of this work item is limited to the LTE TDD mode.
5 Radio scenarios
5.1 Deployment configurations
In TR 25.967 [7], a number of different deployment configurations have been considered for FDD Home NodeB,
including:
• Open access or CSG (Closed Subscriber Group)
• Dedicated channel or co-channel
• Fixed or adaptive (DL) maximum transmit power
For FDD or TDD Home eNodeB, the following deployment configuration should be considered in addition to the ones
listed above:
• Fixed or adaptive resource partitioning
Specifically, the resource partitioning could be performed in frequency, time or spatial dimensions for interference
coordination.
Frequency partitioning
Most existing LTE ICIC mechanisms belong to this category, e.g., FFR and SFR. Frequency partitioning can be
combined with power control to achieve better performance. Different from the partial co-channel configuration for
HNB [7], frequency partitioning can be performed at the granularities of RBs within a carrier, as shown in Figure 5.1-1,
which enables more flexible coordination not only between Macro and Home eNodeB, but also between the Home
eNodeBs. For the frequency partitioning method, the Adjacent Channel Power Leakage (ACPL) problem should be
ETSI

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3GPP TR 36.922 version 15.0.0 Release 15 9 ETSI TR 136 922 V15.0.0 (2018-07)
taken into account in performance evalua
...

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