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AssigneeElectronics and Telecommunications Research Institute
InventorsSeung Chan Bang, Jae Ryong Shim, Ki-Chul Han, Jung-im Kim, Tae-Joong Kim
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An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing αn1WM,n1Xn1 which is obtained by multiplying an orthogonal Hadamard sequence WM,n1 by a first data Xn1 of a n-th block and αn2WM,n2Xn2 which is obtained by multiplying an orthogonal Hadamard sequence W1,n2 by a second data Xn2 of a n-th block; complex-multiplying αn1WM,n1Xn1+jαn2WM,n2Xn2 which is summed in the complex type and WM,n3+jPWM,n4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.
An orthogonal complex spreading method for multiple channels, comprising the steps of:
An orthogonal complex spreading apparatus, comprising:
A permuted orthogonal complex spreading method for multiple channels allocating at least two input channels to first and second groups, comprising the steps of:
A permuted orthogonal complex spreading apparatus for multiple channels, allocating at least two input channels to first and second groups, comprising:
A permuted orthogonal complex spreading apparatus for multiple channels, allocating at least two input channels into first and second groups, comprising:
A spreading method for a mobile communication device, the mobile communication device being capable of supporting a plurality of channels, the method comprising:
The method of claim 94 or claim 72, wherein the third sequence of elements is generated based on a second PN code.
The method of claim 94 or claim 72, wherein the third sequence of elements is generated based on a spreading sequence.
The method of claim 94 or claim 72, wherein one or more of the elements in the third sequence of elements have the first value and the remaining elements in the third sequence of elements have the second value, wherein for the (2N−1)th element in the third sequence of elements, the value of the (2N−1)th element is the same as the value of the (2N)th element in the third sequence of elements, where N is a series of sequential positive integers beginning at 1.
The method of claim 94 or claim 72, wherein the third signal is a multiplication of the first sequence of elements and the third sequence of elements.
The method of claim 94 or claim 72, wherein the third sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
The method of claim 94 or claim 72, wherein the third signal is a multiplication of the first sequence of elements and the third sequence of elements and wherein the third sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
A mobile communications device, comprising:
The apparatus of claim 132 or claim 116, wherein the third sequence of elements is generated based on a second PN code.
The apparatus of claim 132 or claim 116, wherein the third sequence of elements is generated based on a spreading sequence.
The apparatus of claim 132 or claim 116, wherein one or more of the elements in the third sequence of elements have the first value and the remaining elements in the third sequence of elements have the second value, wherein for the (2N−1)th element in the third sequence of elements, the value of the (2N−1)th element is the same as the value of the (2N)th element in the third sequence of elements, where N is a series of sequential positive integers beginning at 1.
The apparatus of claim 132 or claim 116, wherein the third signal is a multiplication of the first sequence of elements and the third sequence of elements.
The apparatus of claim 132 or claim 116, wherein the third sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
The apparatus of claim 132 or claim 116, wherein the third signal is a multiplication of the first sequence of elements and the third sequence of elements and wherein the third sequence consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
A spreading method for a mobile communication device, the mobile communication device being capable of supporting one or more first input channels and one or more second input channels, the method comprising:
The method of claim 140, claim 141, claim 170 or claim 174, wherein the third sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
The method of claim 140, claim 141, claim 170 or claim 174, wherein P is generated based on a PN code.
The method of claim 140, claim 141, claim 170 or claim 174, wherein e is a spreading sequence.
The method of claim 140, claim 141, claim 170 or claim 174, wherein e is a PN code.
The apparatus of claim 163 or claim 180, wherein the first code and the second code are even-numbered Walsh codes.
A mobile communications device, comprising:
The apparatus of claim 194, claim 195, claim 209, or claim 211, wherein the third sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
The apparatus of claims 194, claim 195, claim 209, or claim 211, wherein P is generated based on a PN code.
The apparatus of claim 194, claim 195, claim 209, or claim 211, wherein e is a spreading sequence.
The apparatus of claim 194, claim 195, claim 209, or claim 211, wherein e is a PN code.
A spreading method for a mobile communication device, the mobile communication device being capable of spreading one or more first inputs and one or more second inputs to a plurality of channels, the method comprising:
The method of claim 226, claim 227, or claim 252, wherein the second sequence of elements consists of a sequence of groups, wherein each of the groups consists of either two elements both having a first value or two elements both having a second value and wherein the first value is different from the second value.
The method of claim 226, claim 227, claim 252 or claim 256, wherein P is generated based on a PN code.
The method of claim 238, further comprising:
A spreading apparatus, comprising:
The apparatus of claim 276, claim 277, or claim 290, wherein the second sequence consists of a sequence of groups, wherein each of the groups consists of either two elements both having a first value or two elements both having a second value and wherein the first value is different from the second value.
The apparatus of claim 276, claim 277, claim 290 or claim 292, wherein P is generated based on a PN code.
An apparatus for wireless communications, comprising:
The apparatus of claim 332 or claim 316, wherein the third sequence is generated based on a second PN code.
The apparatus of claim 332 or claim 316, wherein the third sequence is generated based on a spreading sequence.
The apparatus of claim 332 or claim 316, wherein the third sequence consists of elements, one or more of the elements having the first value and the remaining elements having the second value, wherein for the (2N−1)th element in the third sequence, the value of the (2N−1)th element is the same as the value of the (2N)th element, where N is a series of sequential positive integers beginning at 1.
The apparatus of claim 332 or claim 316, wherein the third signal is a multiplication of the first sequence and the third sequence.
The apparatus of claim 332 or claim 316, wherein the third sequence consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
The apparatus of claim 332 or claim 316, wherein the third signal is a multiplication of the first sequence and the third sequence and wherein the third sequence consists of a sequence of groups, wherein each of the groups consists of either two elements both having the first value or two elements both having the second value.
Dependencies are inferred from the claim text.