Transmission system for transmitting digital signals in a radio subscriber terminal network

• US 6,591,106 B1
• Filed: 11/25/1998
• Issued: 07/08/2003
• Est. Priority Date: 11/25/1997
• Status: Expired due to Term

• Current Assignee: RPX Corporation
• Original Assignee: Siemens AG
• Inventors: Zirwas, Wolfgang
• Primary Examiner(s): Bost, Dwayne
• Assistant Examiner(s): CONTEE, JOY KIMBERLY
• Application Number:
  US09/200,360
• Time in Patent Office: 1,686 Days
• Field of Search: 455/422, 455/440, 455/447, 455/450, 455/550, 455/309, 455/513, 455/522, 370/330, 370/335, 370/347
• US Class Current: 455/450
• CPC Class Codes: H04B 7/12 Frequency diversity
• CPC Class Codes: H04B 7/2615 using hybrid frequency-time division multiple access [FDMA-TDMA]
• CPC Class Codes: H04W 16/00 Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
• CPC Class Codes: H04W 52/346 distributing total power among users or channels

Abstract

In a system for transmitting digital signals in a radio subscriber terminal network, for the digital signal transmission from the base station of a radio cell to the radio subscribers located in the radio cell, the total transmitting power of the base station is divided into a plurality of frequency sub-bands and/or periods with different transmitting powers. From this one or more frequency sub-bands, or respectively, periods with the respectively required transmitting power are allocated to each connection from the base station to a radio subscriber, according to its distance from the base station.

Claims

1. A transmitting system for transmitting digital signals in a radio subscriber terminal network, comprising:

a base station of a radio cell for transmission of digital signals to the radio subscribers located in the radio cell, the base station having a total transmitting power divided into a plurality of frequency sub-bands with continuously controllable transmitting power;

the digital signals assigned to the radio subscribers located a greater or lesser distance from the base station being transmitted in at least one of the frequency sub-bands and periods with correspondingly higher or lower transmitting power, respectively.

2. The transmitting system according to claim 1, wherein the system further uses a fixed number of frequency sub-bands with respectively strictly predetermined transmitting power of the base station, from which at least one frequency sub-band of a required transmitting power is respectively allocated to each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

3. The transmitting system according to claim 1,

wherein the system further uses a transmitting power of the base station modulated with at least one integral harmonic of a sinusoidal oscillation of prescribed frequency, and

wherein a period of a required transmitting power is allocated to each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

4. The transmitting system according to claim 1, wherein a plurality of periods of different transmitting powers are allocated to a connection from the base station to a radio subscriber.

5. The transmitting system according to claim 1, wherein a plurality of frequency sub-bands of different transmitting powers are allocated to a connection from the base station to a radio subscriber.

6. The transmitting system according to claim 1, wherein the system further includes utilization of mutually orthogonal carriers for the individual frequency sub-bands.

7. The transmitting system according to claim 1, wherein a frequency sub-band, or respectively, period of high transmitting power is simultaneously provided as emergency channel for all connections from the base station to the radio subscribers.

8. The transmitting system according to claim 6, wherein the frequency sub-band, or respectively, period with a highest transmitting power is provided as emergency channel.

9. The transmitting system according to claim 1, wherein the network is a broad-band RLL (AS Radio in a Local Loop) subscriber terminal network.

10. A transmitting system for transmitting digital signals in a radio subscriber terminal network, comprising:

a base station of a radio cell for transmission of digital signals to the radio subscribers located in the radio cell, the base station having a total transmitting power divided into a plurality of frequency sub-bands with continuously controllable transmitting power;

the digital signals assigned to the radio subscribers located a greater or lesser distance from the base station being transmitted in a fixed number of the frequency sub-bands with respectively strictly predetermined transmitting power of the base station, from which at least one frequency sub-band of a required transmitting power is respectively allocated to each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

11. The transmitting system according to claim 10,

wherein the system further uses a transmitting power of the base station modulated with at least one integral harmonic of a sinusoidal oscillation of prescribed frequency, and

wherein a period of a required transmitting power is allocated to each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

12. The transmitting system according to claim 10, wherein a plurality of periods of different transmitting powers are allocated to a connection from the base station to a radio subscriber.

13. The transmitting system according to claim 10, wherein a plurality of frequency sub-bands of different transmitting powers are allocated to a connection from the base station to a radio subscriber.

14. The transmitting system according to claim 10, wherein the system further includes utilization of mutually orthogonal carriers for the individual frequency sub-bands.

15. The transmitting system according to claim 10, wherein a frequency sub-band, or respectively, period of high transmitting power is simultaneously provided as emergency channel for all connections from the base station to the radio subscribers.

16. A transmitting system for transmitting digital signals in a radio subscriber terminal network, comprising:

for digital signal transmission from a base station of a radio cell to the radio subscribers located in the radio cell, a total transmitting power of the base station divided into a plurality of at least one of frequency sub-bands and periods with various transmitting power;

digital signals assigned to radio subscribers located a greater or lesser distance from the base station and transmitted in at least one of frequency sub-bands and periods with correspondingly higher or lower transmitting power, respectively, of the base station;

a transmitting power of the base station modulated with at least one integral harmonic of a sinusoidal oscillation of prescribed frequency; and

a period of a required transmitting power allocated for each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

17. The transmitting system according to claim 16, wherein the system further comprises a fixed number of frequency sub-bands with respectively strictly predetermined transmitting power of the base station, from which at least one frequency sub-band of a required transmitting power is respectively allocated to each connection from the base station to a radio subscriber, according to a distance of the radio subscriber from the base station.

18. The transmitting system according to claim 16, wherein the system further comprises frequency sub-bands with continuously controllable transmitting power of the base station.