ETSI EN 301 908-5 V2.2.1 (2003-10)
Electromagnetic compatibility and Radio spectrum Matters (ERM); Base Stations (BS), Repeaters and User Equipment (UE) for IMT-2000 Third-Generation cellular networks; Part 5: Harmonized EN for IMT-2000, CDMA Multi-Carrier (cdma2000) (BS and Repeaters) covering essential requirements of article 3.2 of the R&TTE Directive
Electromagnetic compatibility and Radio spectrum Matters (ERM); Base Stations (BS), Repeaters and User Equipment (UE) for IMT-2000 Third-Generation cellular networks; Part 5: Harmonized EN for IMT-2000, CDMA Multi-Carrier (cdma2000) (BS and Repeaters) covering essential requirements of article 3.2 of the R&TTE Directive
REN/ERM-TFES-002-5
Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) - Bazne postaje (BS) in uporabniška oprema (UE) za celična omrežja tretje generacije IMT-2000 - 5. del: Harmonizirani EN za IMT-2000, CDMA “Multi-Carrier” (CDMA2000) (BS), ki zajema bistvene zahteve člena 3.2 direktive R&TTE
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2004
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Electromagnetic compatibility and Radio spectrum Matters (ERM); Base Stations (BS),
Repeaters and User Equipment (UE) for IMT-2000 Third-Generation cellular networks;
Part 5: Harmonized EN for IMT-2000, CDMA Multi-Carrier (cdma2000) (BS and
Repeaters) covering essential requirements of article 3.2 of the R&TTE Directive
Ta slovenski standard je istoveten z: EN 301 908-5 Version 2.2.1
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
Candidate Harmonized European Standard (Telecommunications series)
Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Base Stations (BS), Repeaters and User Equipment (UE) for
IMT-2000 Third-Generation cellular networks;
Part 5: Harmonized EN for IMT-2000,
CDMA Multi-Carrier (cdma2000) (BS and Repeaters)
covering essential requirements
of article 3.2 of the R&TTE Directive
2 ETSI EN 301 908-5 V2.2.1 (2003-10)
Reference
REN/ERM-TFES-002-5
Keywords
3G, 3GPP2, CDMA2000, cellular, digital,
IMT-2000, mobile, radio, regulation, UMTS
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ETSI
3 ETSI EN 301 908-5 V2.2.1 (2003-10)
Contents
Intellectual Property Rights.6
Foreword.6
Introduction .8
1 Scope.10
2 References.10
3 Definitions, symbols and abbreviations .11
3.1 Definitions.11
3.2 Symbols.20
3.3 Abbreviations.23
4 Technical requirements specifications.24
4.1 Environmental profile.24
4.2 Conformance requirements.24
4.2.1 Introduction.24
4.2.2 Transmitter conducted spurious emissions .25
4.2.2.1 Definition.25
4.2.2.2 Limits.25
4.2.2.3 Conformance.25
4.2.3 Maximum output power.26
4.2.3.1 Definition.26
4.2.3.1.1 Base stations .26
4.2.3.1.2 Repeaters.26
4.2.3.2 Limits.26
4.2.3.2.1 Base stations operating in Type 1 cdma20000 systems.26
4.2.3.2.2 Base stations operating in Type 2 cdma2000 systems.26
4.2.3.2.3 Repeaters.27
4.2.3.3 Conformance.27
4.2.4 Inter-base station transmitter intermodulation .27
4.2.4.1 Definition.27
4.2.4.1.1 Base stations .27
4.2.4.1.2 Repeaters .27
4.2.4.2 Limits.27
4.2.4.3 Conformance.27
4.2.5 Receiver conducted spurious emissions.27
4.2.5.1 Definition.27
4.2.5.2 Limits.28
4.2.5.3 Conformance.28
4.2.6 Receiver blocking characteristics .28
4.2.6.1 Definition.28
4.2.6.2 Limits.28
4.2.6.2.1 Base stations operating in Type 1 cdma2000 systems.28
4.2.6.2.2 Base stations operating in Type 2 cdma2000 systems.28
4.2.6.3 Conformance.28
4.2.7 Intermodulation spurious response attenuation.29
4.2.7.1 Definition.29
4.2.7.1.1 Base stations .29
4.2.7.1.2 Repeaters .29
4.2.7.2 Limits.29
4.2.7.2.1 Base stations operating in Type 1 cdma2000 systems.29
4.2.7.2.2 Base stations operating in Type 2 cdma2000 systems.29
4.2.7.2.3 Repeaters .29
4.2.7.3 Conformance.29
4.2.8 Adjacent channel selectivity .29
4.2.8.1 Definition.29
ETSI
4 ETSI EN 301 908-5 V2.2.1 (2003-10)
4.2.8.2 Limits.29
4.2.8.2.1 Base stations operating in Type 1 cdma2000 systems.29
4.2.8.2.2 Base stations operating in Type 2 cdma2000 systems.30
4.2.8.3 Conformance.30
4.2.9 Out of band gain .30
4.2.9.1 Definition.30
4.2.9.2 Limits.30
4.2.9.3 Conformance.30
5 Testing for compliance with technical requirements.30
5.1 Conditions for testing .30
5.1.1 Introduction.30
5.1.2 Standard equipment under test.31
5.1.2.1 Basic equipment.31
5.1.2.2 Ancillary equipment.31
5.2 Interpretation of the measurement results .31
5.3 Essential radio test suites.31
5.3.1 Transmitter conducted spurious emissions .31
5.3.1.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.31
5.3.1.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems.32
5.3.1.3 Test procedure for repeaters.33
5.3.2 Maximum output power.34
5.3.2.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.34
5.3.2.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems.34
5.3.2.3 Test procedure for repeaters.34
5.3.3 Inter-base station transmitter intermodulation .35
5.3.3.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.35
5.3.3.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems 2.35
5.3.3.3 Test procedure for repeaters.36
5.3.4 Receiver conducted spurious emissions.37
5.3.4.1 Test procedure for base stations supporting operation in Type 1 or Type 2 cdma2000 systems .37
5.3.5 Receiver blocking characteristics .37
5.3.5.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.37
5.3.5.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems.38
5.3.6 Intermodulation spurious response attenuation.38
5.3.6.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.38
5.3.6.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems.39
5.3.6.3 Test procedure for repeaters.39
5.3.7 Adjacent channel selectivity .40
5.3.7.1 Test procedure for base stations supporting operation in Type 1 cdma2000 systems.40
5.3.7.2 Test procedure for base stations supporting operation in Type 2 cdma2000 systems.40
5.3.8 Out of band gain .41
Annex A (normative): EN Requirements table (EN-RT) .42
Annex B (normative): Base station Configurations .43
B.1 Receiver diversity.43
B.2 Duplexers.43
B.3 Power supply options .43
B.4 Ancillary RF amplifiers.44
B.5 BS using antenna arrays .44
B.5.1 Receiver tests.45
B.5.2 Transmitter tests.45
Annex C (informative): Environmental profile and standard test conditions .46
C.1 Introduction.46
C.2 CDMA environmental requirements.46
C.2.1 Temperature and power supply voltage.46
ETSI
5 ETSI EN 301 908-5 V2.2.1 (2003-10)
C.2.1.1 Definition.46
C.2.1.2 Method of measurement.46
C.2.1.3 Minimum standard.47
C.2.2 High humidity.47
C.2.2.1 Definition.47
C.2.2.2 Method of measurement.47
C.2.2.3 Minimum standard.47
C.3 Standard test conditions.47
C.3.1 Standard environmental test conditions.47
C.3.2 Standard conditions for the primary power supply.48
C.3.2.1 General.48
C.3.2.2 Standard DC test voltage from accumulator batteries.48
C.3.2.3 Standard AC voltage and frequency .48
Annex D (informative): Bibliography.49
Annex E (informative): The EN title in the official languages .50
History .51
ETSI
6 ETSI EN 301 908-5 V2.2.1 (2003-10)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Candidate Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical
Committee Electromagnetic compatibility and Radio spectrum Matters (ERM).
The present document has been produced by ETSI in response to a mandate from the European Commission issued
under Council Directive 98/34/EC (as amended) laying down a procedure for the provision of information in the field of
technical standards and regulations.
The present document is intended to become a Harmonized Standard, the reference of which will be published in the
Official Journal of the European Communities referencing the Directive 1999/5/EC [1] of the European Parliament and
of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual
recognition of their conformity ("the R&TTE Directive").
The present document is part 5 of a multi-part deliverable covering the Base Stations (BS), Repeaters and User
Equipment (UE) for IMT-2000 Third-Generation cellular networks, as identified below:
Part 1: "Harmonized EN for IMT-2000, introduction and common requirements, covering essential requirements
of article 3.2 of the R&TTE Directive";
Part 2: "Harmonized EN for IMT-2000, CDMA Direct Spread (UTRA FDD) (UE) covering essential
requirements of article 3.2 of the R&TTE Directive";
Part 3: "Harmonized EN for IMT-2000, CDMA Direct Spread (UTRA FDD) (BS) covering essential
requirements of article 3.2 of the R&TTE Directive";
Part 4: "Harmonized EN for IMT-2000, CDMA Multi-Carrier (cdma2000) (UE) covering essential requirements
of article 3.2 of the R&TTE Directive";
Part 5: "Harmonized EN for IMT-2000, CDMA Multi-Carrier (cdma2000) (BS and Repeaters) covering
essential requirements of article 3.2 of the R&TTE Directive";
Part 6: "Harmonized EN for IMT-2000, CDMA TDD (UTRA TDD) (UE) covering essential requirements of
article 3.2 of the R&TTE Directive";
Part 7: "Harmonized EN for IMT-2000, CDMA TDD (UTRA TDD) (BS) covering essential requirements of
article 3.2 of the R&TTE Directive";
Part 8: "Harmonized EN for IMT-2000, TDMA Single-Carrier (UWC 136) (UE) covering essential requirements
of article 3.2 of the R&TTE Directive";
Part 9: "Harmonized EN for IMT-2000, TDMA Single-Carrier (UWC 136) (BS) covering essential requirements
of article 3.2 of the R&TTE Directive";
Part 10: "Harmonized EN for IMT-2000 FDMA/TDMA (DECT) covering essential requirements of article 3.2 of
the R&TTE Directive";
Part 11: "Harmonized EN for IMT-2000, CDMA Direct Spread (UTRA FDD) (Repeaters) covering essential
requirements of article 3.2 of the R&TTE Directive".
ETSI
7 ETSI EN 301 908-5 V2.2.1 (2003-10)
Technical specifications relevant to Directive 1999/5/EC [1] are given in annex A.
National transposition dates
Date of adoption of this EN: 3 October 2003
Date of latest announcement of this EN (doa): 31 January 2004
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 July 2004
Date of withdrawal of any conflicting National Standard (dow): 31 January 2006
ETSI
8 ETSI EN 301 908-5 V2.2.1 (2003-10)
Introduction
The present document is part of a set of standards designed to fit in a modular structure to cover all radio and
telecommunications terminal equipment under the R&TTE Directive [1]. Each standard is a module in the structure.
The modular structure is shown in figure 1.
Disability*
3.3f
Emergency*
3.3e
Fraud*
3.3d
3.3c
Privacy*
No harm to the network*
3.3b
* If needed
Scoped by
Interworking via the network*
equipment
3.3a class or type
Interworking with the network
Use of spectrum
3.2
New radio harmonized standards
Spectrum
Scoped by frequency and/or equipment type
Radio Product EMC
EN 301 489 multi-part EMC standard
3.1b
EMC
Generic and product standards also notified under EMC Directive
- If needed, new standards for human exposure to
Electromagnetic Fields,
- if needed, new standards for acoustic safety
3.1a
Standards also notified under LV Directive
Safety
Non-radio Radio (RE)
TTE Non-TTE
Figure 1: Modular structure for the various standards used under the R&TTE Directive
ETSI
9 ETSI EN 301 908-5 V2.2.1 (2003-10)
The left hand edge of the figure 1 shows the different clauses of article 3 of the R&TTE Directive [1].
For article 3.3 various horizontal boxes are shown. Dotted lines indicate that at the time of publication of the present
document essential requirements in these areas have to be adopted by the Commission. If such essential requirements
are adopted, and as far and as long as they are applicable, they will justify individual standards whose scope is likely to
be specified by function or interface type.
The vertical boxes show the standards under article 3.2 for the use of the radio spectrum by radio equipment. The
scopes of these standards are specified either by frequency (normally in the case where frequency bands are
harmonized) or by radio equipment type.
For article 3.1b, figure 1 shows EN 301 489 [10], the multi-part product EMC standard for radio used under the
EMC Directive [2].
For article 3.1a, figure 1 shows the existing safety standards currently used under the LV Directive [3] and new
standards covering human exposure to electromagnetic fields. New standards covering acoustic safety may also be
required.
The bottom of figure 1 shows the relationship of the standards to radio equipment and telecommunications terminal
equipment. A particular equipment may be radio equipment, telecommunications terminal equipment or both. A radio
spectrum standard will apply if it is radio equipment. An article 3.3 standard will apply as well only if the relevant
essential requirement under the R&TTE Directive [1] is adopted by the Commission and if the equipment in question is
covered by the scope of the corresponding standard. Thus, depending on the nature of the equipment, the essential
requirements under the R&TTE Directive [1] may be covered in a set of standards.
The modularity principle has been taken because:
• It minimizes the number of standards needed. Because equipment may, in fact, have multiple interfaces and
functions it is not practicable to produce a single standard for each possible combination of functions that may
occur in an equipment.
• It provides scope for standards to be added:
- under article 3.2, when new frequency bands are agreed; or
- under article 3.3, should the Commission take the necessary decisions without requiring alteration of
standards that are already published.
• It clarifies, simplifies and promotes the usage of Harmonized Standards as the relevant means of conformity
assessment.
The product specifications upon which this present multi-part deliverable is based differ in presentation, and this is
reflected in the present document.
ETSI
10 ETSI EN 301 908-5 V2.2.1 (2003-10)
1 Scope
The present document applies to the following radio equipment types:
• Base stations and repeaters for IMT-2000 CDMA multi-carrier (cdma2000).
These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1.
Table 1: CDMA multi-carrier base station service frequency bands
Direction of transmission CDMA multi-carrier base station service frequency bands
Transmit 2 110 MHz to 2 170 MHz
Receive 1 920 MHz to 1 980 MHz
Base stations and repeaters for IMT-2000 CDMA multi-carrier (cdma2000) may support:
1) operation in cdma2000 spread spectrum systems as defined in TIA/EIA/IS-2000.2-B [5], referred to herein as
operation in Type 1 cdma2000 systems; or
2) operation in cdma2000 High Rate Packet Data Systems as defined in TIA/EIA/IS-856-1 [11], referred to
herein in Type 2 cdma2000 systems.
The present document is intended to cover the provisions of Directive 1999/5/EC [1] (R&TTE Directive) article 3.2,
which states that "[…] radio equipment shall be so constructed that it effectively uses the spectrum allocated to
terrestrial/space radio communications and orbital resources so as to avoid harmful interference".
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the R&TTE Directive [1] will apply to equipment within the scope of the present
document.
NOTE: A list of such ENs is included on the web site http://www.newapproach.org/.
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 and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio
equipment and telecommunications terminal equipment and the mutual recognition of their
conformity (R&TTE Directive).
[2] Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of the Member
States relating to electromagnetic compatibility (EMC Directive).
[3] Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of Member
States relating to electrical equipment designed for use within certain voltage limits (LV
Directive).
[4] ANSI/TIA-97-E (February 2003): "Recommended Minimum Performance Standard for cdma2000
Spread Spectrum Base Stations".
ETSI
11 ETSI EN 301 908-5 V2.2.1 (2003-10)
[5] TIA/EIA/IS-2000.2-B (May 2002): "Physical Layer Standard for cdma2000 Spread Spectrum
Systems - Release B".
[6] ANSI/TIA-98-E (February 2003): "Recommended Minimum Performance Standards for
cdma2000 Spread Spectrum Mobile Stations".
[7] ANSI/TIA/EIA-126-D-2001 (May 2001): "Mobile Station Loopback Service Options Standard".
[8] TIA/EIA/IS-870 (April 2001): "Test Data Service Option (TDSO) for cdma2000 Spread Spectrum
Systems".
[9] TIA/EIA/IS-871 (April 2001): "Markov Service Option (MSO) for cdma2000 Spread Spectrum
Systems".
[10] ETSI EN 301 489 (all parts): "Electromagnetic compatibility and Radio spectrum Matters (ERM);
ElectroMagnetic Compatibility (EMC) standard for radio equipment and services".
[11] TIA/EIA/IS-856-1 (January 2002): "cdma2000 High Rate Packet Data Air Interface Specification
- Addendum 1".
[12] TIA-864 (February 2002): "Recommended Minimum Performance Standards for cdma2000 High
Rate Packet Data Access Network Equipment".
[13] TIA/EIA/IS-890 (July 2001): "Test Application Specification (TAS) for High Rate Packet Data
Air Interface".
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in the R&TTE Directive [1] and the following
apply:
1X: mode of operation of a base station or access network using spreading rate 1
1XDO: mode of operation of a base station or access network using spreading rate 1 in data optimized systems
3X: mode of operation of a base station using spreading rate 3
access attempt: sequence of one or more access probe sequences on the access channel or enhanced access channel
containing the same message
NOTE: See also access probe, access probe sequence, and enhanced access probe.
access channel: reverse CDMA channel used by mobile stations for communicating to the base station
NOTE: The access channel is used for short signalling message exchanges, such as call originations, responses to
pages, and registrations. The access channel is a slotted random access channel.
access channel preamble: preamble of an access probe consisting of a sequence of all-zero frames that is sent at the
4 800 bit/s rate
access network: network equipment providing data connectivity between a packet switched data network (typically the
Internet) and the access terminals in Type 2 cdma2000 systems
NOTE: Connectivity is typically provided at the link layer (PPP). As used in the present document it is
synonymous with base station except that HRPD access network always use spreading rate 1.
access probe: one access channel transmission consisting of a preamble and a message
NOTE: The transmission is an integer number of frames in length, and transmits one access channel message.
See also access probe sequence and access attempt.
ETSI
12 ETSI EN 301 908-5 V2.2.1 (2003-10)
access probe sequence: sequence of one or more access probes on the access channel or enhanced access channel
NOTE: The same access channel or enhanced access channel message is transmitted in every access probe of an
access attempt. See also access probe, enhanced access probe, and access attempt.
access terminal: device providing data connectivity to a user in Type 2 cdma2000 systems
NOTE: An access terminal may be connected to a computing device such as a laptop personal computer or may
be self-contained data device such as a personal digital assistant or may be a mobile station. Also referred
to as HRPD access terminal using spreading rate 1 or UE operating in a Type 2 cdma2000 system.
active frame: frame that contains data and, therefore, is enabled in terms of traffic power
additional preamble: preamble sent after the last fractional preamble on the reverse pilot channel, prior to transmitting
on the enhanced access channel or on the reverse common control channel
adjacent channel leakage ratio: ratio of the on-channel transmit power to the power measured in one of the adjacent
channels
bad frame: frame classified with insufficient frame quality or for radio configuration 19 600 bit/s primary traffic only,
with bit errors
NOTE: See also good frame.
band class: set of frequency channels and a numbering scheme for these channels
NOTE: Band classes are defined in ANSI/TIA-97-E [4], clause 3.1, and ANSI/TIA-98-E [6], clause 3.1.
band class 6: set of frequencies
NOTE: Frequencies identified in table 1 of the present document.
base station: fixed station used for communicating with mobile stations
NOTE 1: Base stations for IMT-2000 CDMA multi-carrier (cdma2000) may support, operation in cdma2000 spread
spectrum systems as defined in TIA/EIA/IS-2000.2-B [5], referred to herein as operation in Type 1
cdma2000 system, or operation in cdma2000 High Rate Packet Data Systems as defined in
TIA/EIA/IS-856-1 [11], referred to herein as operation in Type 2 cdma2000 systems.
NOTE 2: Depending upon the context, the term base station may refer to a cell, a repeater, a sector within a cell, an
MSC, and access network or other part of the wireless system. See also MSC.
basic access mode: mode used on the enhanced access channel where a mobile station transmits an enhanced access
channel preamble and enhanced access data in a method similar to that used on the access channel
broadcast control channel: code channel in a forward CDMA channel used for transmission of control information
from a base station to a mobile station
candidate frequency: frequency for which the base station specifies a search set, when searching on other frequencies
while performing mobile-assisted handoffs
CDMA channel: set of channels transmitted from the base station and the mobile stations on a given frequency
CDMA channel number: 11-bit number corresponding to the centre of the CDMA frequency assignment
CDMA frequency assignment: 1,23 MHz segment of spectrum
NOTE: For band class 0, the channel is centred on one of the 30 kHz channels.
For band classes 1, 4, 6, 7, 8, 9, and 10, the channel is centred on one of the 50 kHz channels.
For band classes 2, 3, 11 and 12, the channel is centred on one of the 25 kHz channels.
For band class 5, the channel is centred on one of the 20 kHz or 25 kHz channels.
CDMA preferred set: set of CDMA channel numbers in a CDMA system corresponding to frequency assignments that
a mobile station will normally search to acquire a CDMA pilot channel
code channel: subchannel of a forward CDMA channel or reverse CDMA channel. Each subchannel uses an
orthogonal Walsh function or quasi-orthogonal function
ETSI
13 ETSI EN 301 908-5 V2.2.1 (2003-10)
Code Division Multiple Access (CDMA): technique for spread-spectrum multiple-access digital communications that
creates channels through the use of unique code sequences
code symbol: output of an error-correcting encoder. Information bits are input to the encoder and code symbols are
output from the encoder
NOTE: See convolutional code and turbo code.
common assignment channel: forward common channel used by the base station to acknowledge a mobile station
accessing the enhanced access channel, and in the case of reservation access mode, to transmit the address of a reverse
common control channel and associated common power control subchannel
common power control channel: forward common channel which transmits power control bits (i.e. common power
control subchannels) to multiple mobile stations
NOTE: The common power control channel is used by mobile stations operating in the power controlled access
mode, reservation access mode, or designated access mode.
common power control subchannel: subchannel on the common power control channel used by the base station to
control the power of a mobile station when operating in the power controlled access mode on the enhanced access
channel or when operating in the reservation access mode or the designated access mode on the reverse common control
channel
continuous transmission: mode of operation in which discontinuous transmission is not permitted
convolutional code: type of error-correcting code
NOTE: A code symbol can be considered as the convolution of the input data sequence with the impulse response
of a generator function.
cyclic redundancy code: class of linear error detecting codes which generate parity check bits by finding the remainder
of a polynomial division
NOTE: See also frame quality indicator.
discontinuous transmission: mode of operation in which a base station or a mobile station switches its transmitter or a
particular code channel on and off autonomously
NOTE: For the case of DTx operation on the forward dedicated control channel, the forward power control
subchannel is still transmitted.
down-link: signal path where base station or repeater transmits and the mobile receives
NOTE: Also referred to as the forward link.
effective radiated power: product of the power supplied to the antenna and the antenna gain in a direction relative to a
half-wave dipole
enhanced access channel: reverse channel used by the mobile for communicating to the base station
NOTE: The enhanced access channel operates in the basic access mode, power controlled access mode, and
reservation access mode. It is used for transmission of short messages, such as signalling, MAC
messages, response to pages, and call originations. It can also be used to transmit moderate-sized data
packets.
enhanced access channel preamble: non-data-bearing portion of the enhanced access probe sent by the mobile station
to assist the base station in initial acquisition and channel estimation
enhanced access data: data transmitted while in the basic access mode or power controlled access mode on the
enhanced access channel or while in the reservation mode on a reverse common control channel
enhanced access header: frame containing access origination information transmitted immediately after the enhanced
access channel preamble while in the power controlled access mode or reservation access mode
enhanced access probe: one enhanced access channel transmission consisting of an enhanced access channel preamble,
optionally an enhanced access header, and optionally enhanced access data
ETSI
14 ETSI EN 301 908-5 V2.2.1 (2003-10)
enhanced access probe sequence: sequence of one or more enhanced access probes on the enhanced access channel
NOTE: See also enhanced access probe.
environmental profile: range of environmental conditions under which equipment within the scope of EN 301 908-5 is
required to comply with the provisions of EN 301 908-5
forward CDMA channel: CDMA channel from a base station or repeater to mobile stations
NOTE: The forward CDMA channel contains one or more code channels that are transmitted on a CDMA
frequency assignment using a particular pilot
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