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本文(ETSI TS 101 475-2001 Broadband Radio Access Networks (BRAN) HIPERLAN Type 2 Physical (PHY) Layer (V1 2 2)《宽带无线接入网(BRAN) HIPERLAN第2类 物理(PHY)层(版本1 2 2)》.pdf)为本站会员(rimleave225)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ETSI TS 101 475-2001 Broadband Radio Access Networks (BRAN) HIPERLAN Type 2 Physical (PHY) Layer (V1 2 2)《宽带无线接入网(BRAN) HIPERLAN第2类 物理(PHY)层(版本1 2 2)》.pdf

1、ETSI TS 101 475 1.2.2 (2001-02) Technical Specification Broadband Radio Access Networks (BRAN); HIPERLAN Type 2; Physical (PHY) layer 2 ETSI TS 1 O1 475 V1.2.2 (2001 -02) Tt- Reference RTS/B RAN-0023003- R2 Keywords access, broadband, HIPERLAN, LAN, layer 1, radio ETSI 650 Route des Lucioles F-O6921

2、 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 O0 Fax: +33 4 93 65 47 16 Siret No 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-prfecture de Grasse (06) No 7803/88 Important notice Individual copies of the present document can be downloaded from: present docume

3、nt may be made available in more than one electronic version or in print. In any case of existing perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF v

4、ersion kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at :/.$./$/ If you find errors in the prese

5、nt document, send your comment to: editor etsi.fr Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. 8 European Telecommunications Standards Institute 2001. All rights reserved.

6、 ETSI 3 ETSI TS 1 O1 475 V1.2.2 (2001 -02) Contents Intellectual Property Rights 5 Foreword 5 1 Scope 6 Definitions, symbols and abbreviations . 6 3.2 Symbols 7 2 References 6 3 3.1 Definitions 6 3.3 Abbreviations 8 4 Overview 9 4.1 Transport channels and PDU trains 9 4.2 Reference configuration . 9

7、 4.3 5 Physical layer . 10 PHY layer functional entities . 10 5.1 5.2 5.3 5.3.1 5.3.1.1 5.3.1.2 5.3.2 5.4 5.5 5.6 5.7 5.7.1 5.7.2 5.7.3 5.7.4 5.7.5 5.8 5.8.1 5.8.1.1 5.8.1.2 5.8.1.3 5.8.2 5.8.2.1 5.8.2.2 5.8.2.3 5.8.2.4 5.8.2.5 5.8.2.5.1 5.8.2.5.2 5.8.3 5.9 5.10 5.10.1 5.10.2 5.10.3 5.10.4 5.10.5 5.

8、10.6 5.11 Introduction . 10 Code termination, encoding, P1 puncturing 12 preamble, and Direct link PDU train . 12 Code rate dependent puncturing P2 15 Data interleaving . 16 Data scrambling 11 FEC coding . 12 Downlink PDU train, Uplink PDU train with short preamble, Uplink PDU train with long Broadc

9、ast PDU train, FCH-and-ACH PDU train . 15 Signal constellations and mapping . 16 Modulation technique (OFDM) 19 PHY bursts 21 Downlink burst 24 Uplink burst with short preamble 24 Broadcast burst 23 Uplink burst with long preamble 25 Direct link burst . 26 Radio transmission 28 RF carriers . 28 Nomi

10、nal carriers frequencies . 28 Accuracy and stability of RF carriers 28 Transmitted power . 28 Mean Effective Isotropic Radiated Power (EIRP) 28 Transmit spectrum mask . 29 RF generation and clocking timebase 28 Transmitter centre frequency leakage and spectral flatness requirements 29 Transmit power

11、 time mask 29 Transmit power control . 30 AP transmission power levels 30 Uplink power control . 31 Unwanted RF radiation 32 Modulation accuracy . 32 Radio turn around time . 32 Time to change RF carrier 32 Guard time between UL bursts . 32 Switching times . 32 Guard time between DiL bursts 33 Guard

12、 time between random access bursts 33 Guard time for sector antenna implementations 33 Receiver parameters 33 ETSI 4 ETSI TS 1 O1 475 V1.2.2 (2001 -02) 5.11.1 5.11.2 5.11.2.1 5.1 1.2.2 5.11.2.3 5.11.3 5.11.3.1 5.11.3.2 5.11.3.3 5.11.3.4 Spurious emissions . 33 Physical layer measurements 34 RSSO mea

13、surement . 34 RSS1 measurement . 36 RSS2 measurement . 37 Radio receiver performance 38 Receiver sensitivity . 38 Maximum input level for operation . 38 Radio receiver adjacent and non-adjacent channel performance . 39 Maximum input level without blocking . 39 Annex A (informative): Bibliography . 4

14、0 History . 41 ETSI 5 ETSI TS 1 O1 475 V1.2.2 (2001 -02) 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, an

15、d can be found in ETSI SR O00 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 ClattD:/www.etsP.c/iDr. Pursuant to the

16、 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 O00 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Fore

17、word This Technical Specification (TS) has been produced by ETSI Project Broadband Radio Access Networks (BRAN). The present document describes the physical layer specifications for HIgh PErformance Radio Local Area Network type 2 (HIPERLAN/2). Separate ETSI documents provide details on the system o

18、verview, data link control layer, radio link control sublayer, convergence sublayers and conformance testing requirements for HIPERLAN/2. ETSI 6 ETSI TS 1 O1 475 V1.2.2 (2001 -02) 1 Scope The present document applies to the HIPERLAN/2 air interface with the specifications of layer 1 (physical layer)

19、, following the ISO-OS1 model. HIPERLAN/2 is confined to only the radio access system consisting of the physical (PHY) layer and DLC layer, which are core network independent, and the core network specific Convergence sublayers. For managing radio resources, association and connection control, the r

20、adio link control protocol (see annex A) is applied which uses the transmission services of the DLC layer. The interworking with layers at the top of the radio subsystem is handled by Convergence layers above the DLC layer. The present document defines the radio aspects like channel coding, interlea

21、ving, scrambling, modulation, radio transmission and reception. The scope of the present document is as follows: it gives a description of the physical layer for HIPERLAN/2; it identifies those performance requirements needed to meet regulatory rules and service quality targets; it specifies the tra

22、nsmission scheme in order to allow interoperability between equipment developed by different manufacturers. This is achieved by describing the signal processing at the transmitter side, while the processing at the receiver side is left open to different implementation solutions. The present document

23、 does not address the requirements and technical characteristics for conformance testing. These are covered by separate documents. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present documen t. References are either spec

24、ific (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. u1 ETSI TS 101 761-1: “Broadband Radio Access Networks (BRAN); HIPERLAN Type 2; Dat

25、a Link Control (DLC) Layer; Part 1: Basic Data Transport Functions“. CEPT/ERC/DEC(99)23: “ERC Decision of 29 November 1999 on the harmonized fi-equency bands to be designated for the introduction of High Performance Radio Local Area Networks (HIPERLANs)“. 121 3 3.1 Definitions, symbols and abbreviat

26、ions Def i n it ions For the purposes of the present document, the following terms and definitions apply: Access Feedback Channel (AFC): transport channel where the results of access attempts made in the previous MAC frame is conveyed Antenna Reference Point (ARP): ARP is defined as the point where

27、the power is equal to the power EIRP which could be measured at the antenna if an ideal isotropic antenna is used Broadcast CHannel (BCH): transport channel that broadcasts control information ETSI 7 ETSI TS 1 O1 475 V1.2.2 (2001 -02) Frame CHannel (FCH): transport channel that is broadcast and whic

28、h carries the kame control channel DLC connection: HIPERLAN/2 DLC operates connection oriented. A DLC connection carries either user or control data and is identified by a DLC connection identifier downlink phase: part of the downlink transmission of a MAC Frame during which user and control data is

29、 transmitted from the access point or central controller to mobile terminals. The data transmitted can be user as well as control data in unicast. broadcast and multicast modus Direct Mode (DM): data exchanged between two MTs associated with the same AP or CC takes place without passing but under co

30、ntrol of the access point or the central controller direct link phase: part of a MAC frame that only contains the data exchanged directly between two MTs in a direct link Error Control (EC): error control is responsible for detection of transmission errors and, where appropriate, for the retransmiss

31、ions. One error control instance is provided per DLC connection MAC Frame: periodical structure in time direction that appears on the air interface and that determines the communication of HIPERLAN/2 devices. It consists of a sequence of traffic channels and its composition has to follow a number of

32、 rules PDU train: sequence of transport channels delivered to PHY layer PHY burst: sequence of OFDM symbols created by PHY layer to deliver a PDU train PHY mode: PHY mode corresponds to a signal constellation (Modulation alphabet) and a code rate combination Random CHannel (RCH): transport channel i

33、n the uplink of the MAC which carries the logical channels random access channel and association channel Transport Channel (TC): basic element to construct PDU trains. Transport channels describe the message format uplink phase: part of the MAC frame in which data is transmitted from mobile terminal

34、s to an access point or a central controller 3.2 Symbols For the purposes of the present document, the following symbols apply: be,do Cl, Af 4, fc fs G19G2 i .i KMOD 1 NBPSC NCBPS NDBPS NBPDU NSP NSD NST NSYM n Output bit indexed do of de-multiplexed bit stream indexed e of the P2 puncturing demulti

35、plexer Complex symbol for carrier 1 of the OFDM symbol no. n of the PDU train Sub-carrier spacing Output symbol number n from the symbol mapper Carrier frequency Sampling rate Convolutional code generator polynomials Bit index after the first and before the second permutation of the interleaver Bit

36、index after the second permutation of the interleaver Modulation dependent normalization factor Sub-carrier number Number of coded bits per subcarrier Number of coded bits per OFDM symbol Number of data bits per OFDM symbol Number of data bits per PDU train Number of data sub-carriers Number of pilo

37、t sub-carriers Total number of sub-carriers Number of data OFDM symbols in a PDU train OFDM symbol index inside a PDU train ETSI 8 ETSI TS 1 O1 475 V1.2.2 (2001 -02) carrier P1 P2 Pavg,n avg,data avg ,preamble P,X Pn R rn(t BURST() PAYLOAD() PREAMBLE() rRF(t) S(X) SA SB sc T Tb S TCP TS TU PRE AMBLE

38、 x Xdi Y 3.3 Carrier index Code rate independent puncturing scheme for tail bit puncturing Code rate dependent puncturing Mean power of a transmitted preamble during section n (n = 1, ., 8) Mean power during a data portion of a PHY burst Mean power of a whole ideal preamble which peak power equals t

39、o the maximum power (P,) measured during the transmitted preamble Maximum power measured during the transmitted preamble Sequence to randomize the reference signal Coding rate Time-domain representation of the baseband format of an OFDM symbol Time-domain representation of the PHY burst baseband for

40、mat Time-domain representation of the payload section baseband format Time-domain representation of the preamble section baseband format Time-domain representation of the transmitted signal Scrambling sequence generator polynomial Sequence defining symbols A and RA in the preamble Sequence defining

41、symbols B and RB in the preamble Sequence defining the symbol C in the preamble Branch index of the interleaver Elementary time period Time duration of a sample Cyclic prefix duration Symbol interval Useful symbol part duration Preamble duration Output vector from convolutional encoder (GI) Input bi

42、t number di to the puncturing P2 Output vector from convolutional encoder (G,) Abbreviations For the purposes of the present document, the following abbreviations apply: ACH AP ARP BCH cc BPSK DFT DiL DLC DLCC DM EC EIRP FEC FFT FCH LCH MAC MT OFDM PDU PER DLCC-ID Access feedback CHannel Access Poin

43、t Antenna Reference Point Broadcast CHannel Central Controller Binary Phase Shift Keying Discrete Fourier Transform Direct Link Data Link Control DLC Connection DLC Connection Identifier Direct Mode Error Control Effective Isotropic Radiated Power Forward Error Correction Fast Fourier Transform Fram

44、e CHannel Long transport CHannel Medium Access Control Mobile Terminal Orthogonal Frequency Division Multiplexing Protocol Data Unit PDU Error Ratio ETSI 9 1 PDU train scrambling (transmit) from DLC (5.2) 3 ETSI TS 1 O1 475 V1.2.2 (2001 -02) 3 4 5 FEC interleaving mapping (5.3) (5.4) (5.5) LCH Apply

45、 puncturing P1 eee LCH SCH LCH LCH I156 Puncturing pattern Transmitted sequence (after parallel-to-serial conversion) x: 1 1 1 1 1 10 1 1 1 1 1 1 x1 Y1 334455 Y:1111111111110 y x y x y X: 1 Xl y1 10 12 11 13 12 Y: 1 DLCC-ID 1 I Apply puncturing P1 t II DLCC-ID m Table 2: Puncturing pattern P1 and tr

46、ansmitted sequence after parallel-to-serial conversion ETSI 15 Code Rates r 112 ETSI TS 1 O1 475 V1.2.2 (2001 -02) Puncturing pattern Transmitted sequence (after parallel-to-serial conversion) bO,do: b0,o bl ,o 5.3.1.2 Broadcast PDU train, FCH-and-ACH PDU train 911 6 Two of the PDU train types, i.e.

47、 Broadcast PDU train and FCH-and-ACH PDU train in the case of a multiple sector AP, are processed transport channel by transport channel. Tail bits shall be appended and additional puncturing shall be performed individually to each transport channel. The encoder shall be also initialized once at the

48、 beginning of each transport channel, i.e. at the lSt bit of BCH, FCH and ACH. In the first phase six non-scrambled zero (O) bits are appended to each transport channel for codetermination purposes. These bits, denoted as tail bits, return the convolutional encoder to “zero state“. The resulted (Nep

49、Du + 6) bits shall be coded with a convolutional encoder of coding rate 1/2 with 64 states. The generator polynomials of the mother code (G, = i33, for X output and G2 = iiOcT for Y output) are the same as used with other PDU train types shown in figure 4. The encoder shall be set in “zero state“ before the encoding process at the beginning of each transport channel. The first puncturing scheme P1 will be applied independently from the code rate. The puncturing shall be applied always to all the transport channels in t

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