Device For A Radio Station
A device for a radio station has a first multiplexer provided with at least two inlets for receiving base hand data and an outlet for delivering base band data to an emission unit. The device is also provided with a first processing unit that is connected to the first inlet of the first multiplexer, for delivering first band data at a first data rate, for transmission by the emission unit according to a first radio standard, and a second processing unit that is connected to the second input of the first multiplexer, for delivering second base band data at the first data rate, for transmission by the emission unit according to a second radio standard.
1 - 11 . (canceled)
12 . A device for a radio station, comprising:
a first multiplexer having at least first and second inputs for receiving baseband data and one output for supplying baseband data to a transmitting unit;
a first processing unit connected to the first input of the first multiplexer, for supplying first baseband data at a first data rate for transmission by the transmitting unit according to a first radio standard; and
a second processing unit connected to the second input of the first multiplexer, for supplying second baseband data at the first data rate for transmission by the transmitting unit according to a second radio standard.
13 . The device as claimed in claim 12 , wherein
the first multiplexer assembles the first and second baseband data into a common data stream on the basis of individual bits.
14 . The device as claimed in claim 12 , wherein
the second processing unit forms the second baseband data from data blocks and filler data, the data blocks being formed in each case from control data and useful data.
15 . The device as claimed in claim 14 , wherein
radio blocks are transmitted according to the second radio standard, and
each data block identifies a number of useful data elements required to form precisely one radio block.
16 . The device as claimed in claim 15 , wherein
the second baseband data is assigned to N different carriers within the second radio standard, where N is an integer portion of a quotient of the first data rate and a second data rate which is required as a minimum to form radio blocks for transmission according to the second radio standard.
17 . The device as claimed in claim 15 , wherein
transmission frames are transmitted according to the first radio standard,
the data blocks and filler data are formed in such a way that during a time period of a smallest common multiple of transmission frames transmitted and radio blocks transmitted, the number of data blocks supplied per carrier equals the number of radio blocks transmitted.
18 . The device as claimed in one of the claims 16 , wherein
the data blocks used to from the second baseband data have a size determined according to the formula:
G= FLOOR( KGV*DR 1/( N*ZFB ))
where
FLOOR(X): integer portion of a variable X,
KGV: smallest common multiple of number of frames transmitted according to the first radio standard and number of radio blocks transmitted according to the second radio standard,
DR1: first data rate in bit/s or in W*bit/s, where W corresponds to a size of a word in a baseband of the second radio standard,
ZFB: number of radio blocks used to calculate KGV, and
N: number of different carriers, and
filler data is inserted so that a sum of a filler data rate and a data element rate approximately equals the first data rate.
19 . The device as claimed in one of the claims 17 , wherein
pieces of filler data are inserted equidistantly spaced in time between data block, and the filler data is inserted bit-by-bit or word-by-word.
20 . The device as claimed in claim 17 , wherein
the second baseband data is assigned to N different carriers within the second radio standard, where N is an integer portion of a quotient of the first data rate and a second data rate which is required as a minimum to form radio blocks for transmission according to the second radio standard,
the second processing unit has a second multiplexer having N inputs and one output, and
each of the N inputs receives data blocks and filler data for one of the N carriers, for generating the second baseband data through bit-by-bit or word-by-word assembling of data blocks and filler data.
21 . The device as claimed in claim 12 , wherein the first radio standard is a UMTS FDD standard and the second radio standard is a GSM standard.
22 . The device as claimed in claim 13 , wherein
the second processing unit forms the second baseband data from data blocks and filler data, the data blocks being formed in each case from control data and useful data.
23 . The device as claimed in claim 22 , wherein
radio blocks are transmitted according to the second radio standard, and
each data block identifies a number of useful data elements required to form precisely one radio block.
24 . The device as claimed in claim 23 , wherein
the second baseband data is assigned to N different carriers within the second radio standard, where N is an integer portion of a quotient of the first data rate and a second data rate which is required as a minimum to form radio blocks for transmission according to the second radio standard.
25 . The device as claimed in claim 24 , wherein
transmission frames are transmitted according to the first radio standard,
the data blocks and filler data are formed in such a way that during a time period of a smallest common multiple of transmission frames transmitted and radio blocks transmitted, the number of data blocks supplied per carrier equals the number of radio blocks transmitted.
26 . The device as claimed in one of the claims 25 , wherein
the data blocks used to from the second baseband data have a size determined according to the formula:
G= FLOOR( KGV*DR 1/( N*ZFB ))
where
FLOOR(X): integer portion of a variable X,
KGV: smallest common multiple of number of frames transmitted according to the first radio standard and number of radio blocks transmitted according to the second radio standard,
DR1: first data rate in bit/s or in W*bit/s, where W corresponds to a size of a word in a baseband of the second radio standard,
ZFB: number of radio blocks used to calculate KGV, and
N: number of different carriers, and
filler data is inserted so that a sum of a filler data rate and a data element rate approximately equals the first data rate.
27 . The device as claimed in one of the claims 26 , wherein
pieces of filler data are inserted equidistantly spaced in time between data block, and
the filler data is inserted bit-by-bit or word-by-word.
28 . The device as claimed in claim 27 , wherein
the second processing unit has a second multiplexer having N inputs and one output, and
each of the N inputs receives data blocks and filler data for one of the N carriers, for generating the second baseband data through bit-by-bit or word-by-word assembling of data blocks and filler data.
29 . The device as claimed in claim 28 , wherein the first radio standard is a UMTS FDD standard and the second radio standard is a GSM standard.
30 . A radio station comprising:
a transmitting unit; and
a device comprising:
a first multiplexer having at least first and second inputs for receiving baseband data and one output for supplying baseband data to a transmitting unit;
a first processing unit connected to the first input of the first multiplexer, for supplying first baseband data at a first data rate for a transmission by the transmitting unit according to first radio standard; and
a second processing unit connected to the second input of the first multiplexer, for supplying second baseband data at the first data rate for a transmission by the transmitting unit according to second radio standard