scope:

Applications

The scope of the present document covers the following typical P-MP applications, delivered directly or indirectly, or in any superimposed transport network layer: ·

• voice;

• fax; 

• voiceband data;

• telex;

• data up to 64 kbit/s;

• ISDN;

• Internet Access.

Frequency bands and channel arrangements

The present document covers Fixed Service bands at 1,5 GHz, 2,2 GHz, 2,4 GHz and 2,6 GHz.

The frequency plans for the 1,5 GHz, 2,2 GHz and 2,6 GHz bands are given in CEPT T/R 13-01 [6] and ITU-R Recommendation F.1098-1 [19]. For the 2,4 GHz band, the ITU-R Recommendation F.701-2 [7] is applicable.

The present document may cover equipment which uses either Frequency Division Duplexing or Time Division Duplexing.

NOTE: As with other point-to-multipoint standards, attention should be given to assigning spectrum so as to allow different systems to operate in adjacent assigned frequencies without unacceptable mutual interference. This is the responsibility of the regulatory authorities who are advised to note any guidelines produced by CEPT, particularly those with reference to spectrum where unlike duplex methods are to be used.

Access method

The present document covers Frequency Hopping - Code Division Multiple Access (FH-CDMA) systems.

NOTE: The method described in the present document applies slow frequency hopping TR 101 274 [25], with a hopping period up to 400 ms. During the dwell time, several different links in the same area may operate on different sub-channels in a manner which resembles the characteristics and properties of FDMA systems. The sub-channel supporting each link may be further subdivided using frequency division, time division or a combination of both techniques. (The terms "hopping period", "dwell time" and "subchannel" are defined in subclause 3.1).

Compatibility

The present document is not intended to ensure that a Central Station (CS) from one manufacturer will inter-operate with a Terminal Station (TS) or Repeater Station (RS) from another manufacturer.