Alcatel N.v.

Raymond D Wulleman

Bart J Pauwels

Yves Therasse

Jozef A Goubert

A method for reducing the number of bits in a binary word (AI) which represent a series of addresses, called initial addresses, having a first step (E1) which successively extracts from each initial address (AI) at least one bit (C1) with a fixed rank; forms (1) an address called the selection address (AS) from each bit or bits (C1); extracts from each initial address (AI) a series of bits (C3, C6) using a format (M1i) selected from multiple predetermined first formats (M11, M12, M13, M14), as a function of the selection address; forms (2) with this series of bits (C3, C6) a binary word called the first relative address (AV1); and adds this first relative address to an address called the predetermined basic address (AB(M1i)) associated with the format (M1i) selected to determine this first relative address so as to obtain an address called the first reduced address (AT1) having a smaller number of bits than the initial address (AI); and wherein the basic address (AB(M1 i)) associated with the one (M1i) in the first formats, consists of successively considering the first formats; taking 0 for the basic address associated with the first format considered from the first formats; and taking for the value of each basic address associated respectively with the other first formats, the sum of the last basic address determined for the previously considered first formats, and the maximum relative address value which can be obtained using the last previously considered first format incremented by one unit.

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Brussel, Belgium

Raymond D Wulleman