ETSI EN 302 326-3: 欧洲多点无线电天线协调标准

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"ETSI EN 302 326-3 v1.3.1(2008-02)" 是一份欧洲电信标准协会（ETSI）发布的协调标准，专门针对固定无线电系统中的多点设备和天线。这份文档在2008年2月发布，版本号为1.3.1，适用于多点无线电天线，并涵盖了欧盟无线电信终端设备指令（R&TTEDirective）第3.2条的基本要求。文档的主要内容包括： 1. **欧洲协调标准**：ETSI EN 302 326-3是欧洲统一的标准，旨在确保多点无线电设备和天线在整个欧洲市场的互操作性和合规性。这有助于消除技术壁垒，促进无线电通信设备的自由流通。 2. **多点设备与天线**：文档详细规定了多点无线电系统中使用的设备和天线的技术规格和性能标准。这可能涉及天线的设计、频率范围、发射功率、接收灵敏度、电磁兼容性（EMC）、安全性以及环境适应性等多个方面。 3. **基本要求**：根据R&TTEDirective的第3.2条，该标准确保了无线电设备不会对其他合法无线电服务造成干扰，同时保证了使用者的安全。这包括电磁辐射限制、频率使用规定、设备稳定性以及用户接口安全等要素。 4. **关键词**：文档中列出的关键词如“access”（接入）、“antenna”（天线）、“DFRS”（可能是分布式频谱接入系统）、“DRRS”（可能是分散式无线电资源系统）、“FWA”（固定无线接入）、“multipoint”（多点）和“radio system”（无线电系统），揭示了标准涵盖的领域和技术。 5. **参考与获取**：ETSI EN 302 326-3可以通过ETSI官方网站下载。在不同版本或格式的文档之间出现内容差异时，PDF格式的打印版本被视为参考版本，以解决任何潜在争议。这份标准对于设计、制造、测试和安装固定无线电系统的多点设备和天线的企业至关重要，因为它提供了明确的技术指导和法规要求。同时，对于监管机构、测试实验室和工程技术人员来说，它也是确保设备符合欧洲地区法规的重要依据。

ETSI

ETSI EN

302 326

3 V1.3.1 (2008

02)

New standards for acoustic safety

Use of spectrum

* If needed

Scoped by

equipment

class or type

Scoped by frequency and/or equipment type

Disability*

Privacy*

Fraud*

No h

arm to the network*

Inter

working via the network*

Inter

working with the network

Non

radio

Radio (RE)

Non

TTE

3.1b

3.2

3.3c

3.3b

3.3a

3.3d

3.3e

3.3f

Radio Product EMC

EN 301 489 multi

part EMC standard

Generic and product

standards also notified under EMC Directive

Standards also notified under LV Directive

3.1a

New radio harmonized standards

Spectrum

EMC

Safety

Standards covering Human Exposure to Electromagnetic Fields

relating to individual products

Emergency*

Legend:

Scope of this EN: Any Multipoint DFRS

antennas in all frequency bands

Figure 1: Modular structure for the various standards used under the R&TTE Directive [1]

ETSI

ETSI EN 302 326

3 V1.3.1 (2008

02)

1 Scope

1.1 General

The present document is intended to cover the provisions of the R&TTE Directive [1] regarding 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".

The present document is applicable to the essential requirements of antennas (including those in equipment with

integral antennas) used in Multipoint (MP) Digital Fixed Radio Systems (DFRS) (see note 1) intended for use in the

frequency bands identified in EN 302 326-1 [5].

NOTE 1: Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless

Access (NWA), according to the NWA definition in ITU-R Recommendation F.1399 [13], are also

considered in the scope of the present document.

Besides its previous versions, the present document together with EN 302 326-2 [6], replaces and supersedes, after a

suitable transition period, the harmonized EN 301 753 [9]

for all multipoint equipment and antennas under its scope.

The present document and EN 302 326-2 [6] introduce rationalization among systems conforming to previous

EN 301 753 [9] referencing a number of ENs which, being developed at different times, may have specified slightly

different antenna parameters. Nevertheless, care has been taken so that such variations will not affect any frequency

planning assumption for already deployed networks. Therefore, unless specifically mentioned, these new requirements,

whenever different from those single ENs, are considered completely "equivalent". Therefore mixed use of antennas

conforming to the present document and to those previous ones will not change, in practice, any frequency planning

rule in any network.

Therefore, from a strictly technical point of view, in most cases it is expected that equipment already conforming to the

previous versions of Harmonized EN 301 753 [9], would not need re-assessment of essential requirements according to

the present document. The legal implications of the declaration of conformity and equipment labelling are, however,

outside the scope of this whole multi-part deliverable. Cases, where additional conformance assessment is required, will

be specifically mentioned in EN 302 326-2 [6] and in the present document.

A formal change in the requirements, with respect to EN 301 753 [9], is that the antenna manufacturer shall declare the

nominal gain and tolerance of the antenna against which the conformity assessment is done.

In addition to the present document, other ENs specify technical requirements in respect of essential requirements under

other parts of article 3 of the R&TTE Directive [1] and which will apply to antennas within the scope of the present

document.

NOTE 2: A list of such ENs is included on the web site: http://www.newapproach.org

In order to (technically) cover different market and network requirements, with an appropriate balance of performance

to cost and effective and appropriate use of the radio spectrum, the present document, together with EN 302 326-2 [6],

offers a number of system types and antennas alternatives, for selection by administrations, operators and manufacturers

dependent on the desired use of the radio spectrum and network/market requirements; those options include:

• channel separation alternatives (as provided by the relevant CEPT Recommendation);

• spectral efficiency class alternatives (different modulation formats provided in radio equipment standards);

• antenna sectorization alternatives and directivity classes for CS;

• antenna directivity class alternatives for TS and/or RS, as well as omnidirectional alternative for TS intended

for Nomadic Wireless Access (NWA);

• antenna basic polarization (linear or circular).

For Digital Fixed Radio Systems (DFRS), antennas are considered "relevant components" of "radio equipment"

according the definition in article 2(c) of the R&TTE Directive [1].

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