Method for transmission of data and method for corresponding reception
First Claim
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1. A method for transmitting data in a wireless network-having a plurality of base stations and at least two mobile terminals, the plurality of base stations broadcasting data at a same frequency, wherein the method comprises the steps of:
- first assigning at least two base stations from among the plurality of base stations to at least a first mobile terminal,forming a first sub-set of assigned base stations, the first assigning varying in time according to a first determined parameter belonging to a group of parameters,second assigning, of at least two base stations from among the plurality of base stations to at least a second mobile terminal being different from the at least a first mobile terminal,forming a second sub-set of assigned base stations, at least one base station of the first sub-set belonging to the second sub-set, at least one base station of the first sub-set not belonging to the second sub-set, and at least one base station of the second sub-set not belonging to the first sub-set, the second assigning varying in time according to a second determined parameter belonging to a group of parameters,synchronized transmitting, by each base station of said first sub-set, of first specific data modulated with a same first modulation schema intended for said at least first mobile terminal,synchronized transmitting, by each base station of said second sub-set, of second specific data modulated with a same second modulation schema intended for at least a second mobile terminal; and
allocating of first physical channels to the first sub-set and second physical channels to the second sub-set, the first and second physical channels being distinct, and wherein the first and second physical channels are determined according to the at least one base station belonging to the first sub-set and to the second sub-set.
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Abstract
The invention relates to a method for transmission of data in a wireless network comprising a plurality of base stations broadcasting data at a same frequency and a plurality of mobile terminals. In order to overcome inter-cell transfer at the level of mobile terminals, the method comprises:
- assignments of first and second sub-sets of base stations at respectively at least a first and at least a second mobile terminal, the assignments varying in time according to first and second parameters, the two sub-sets having at least one base station in common and each at least having a specific base station,
- synchronized transmissions of respectively the base stations of the first and second sub-set of first and second specific data modulated with first and second modulations to respectively the at least first and second mobile terminals.
The invention also relates to the corresponding method for reception of data.
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Citations
8 Claims
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1. A method for transmitting data in a wireless network-having a plurality of base stations and at least two mobile terminals, the plurality of base stations broadcasting data at a same frequency, wherein the method comprises the steps of:
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first assigning at least two base stations from among the plurality of base stations to at least a first mobile terminal, forming a first sub-set of assigned base stations, the first assigning varying in time according to a first determined parameter belonging to a group of parameters, second assigning, of at least two base stations from among the plurality of base stations to at least a second mobile terminal being different from the at least a first mobile terminal, forming a second sub-set of assigned base stations, at least one base station of the first sub-set belonging to the second sub-set, at least one base station of the first sub-set not belonging to the second sub-set, and at least one base station of the second sub-set not belonging to the first sub-set, the second assigning varying in time according to a second determined parameter belonging to a group of parameters, synchronized transmitting, by each base station of said first sub-set, of first specific data modulated with a same first modulation schema intended for said at least first mobile terminal, synchronized transmitting, by each base station of said second sub-set, of second specific data modulated with a same second modulation schema intended for at least a second mobile terminal; and allocating of first physical channels to the first sub-set and second physical channels to the second sub-set, the first and second physical channels being distinct, and wherein the first and second physical channels are determined according to the at least one base station belonging to the first sub-set and to the second sub-set. - View Dependent Claims (2, 3, 4)
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5. A method for receiving data in a wireless network having a plurality of base stations and at least two mobile terminals, the plurality of base stations broadcasting data at a same frequency, wherein the method comprises the following steps:
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first assigning at least two base stations from among the plurality of base stations to at least a first mobile terminal, forming a first sub-set of assigned base stations, the first assigning varying in time according to a first determined parameter belonging to a group of parameters, second assigning at least two base stations from among the plurality of base stations to at least a second mobile terminal being different from the at least a first mobile terminal, forming a second sub-set of assigned base stations, at least one base station of the first sub-set belonging to the second sub-set, at least one base station of the first sub-set not belonging to the second sub-set, and at least one base station of the second sub-set not belonging to the first sub-set, the second assigning varying in time according to a second determined parameter belonging to a group of parameters, receiving the first specific data by said at least first mobile terminal, transmitted synchronously and modulated with a same first modulation schema by each base station of said first sub-set, receiving the second specific data by said at least second mobile terminal, transmitted synchronously and modulated with a same second modulation schema by each base station of the second sub-set; and allocating first physical channels to the first sub-set and second physical channels to the second sub-set, the first and second physical channels being distinct, and wherein the first and second physical channels are determined according to the at least one base station belonging to the first sub-set and to the second sub-set. - View Dependent Claims (6, 7, 8)
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Specification