Resource scheduling in a wireless communication network
First Claim
1. A method of resource scheduling in a wireless communication network, the network comprising N neighbouring cells indexed by i which share the same frequency band, where i=0, . . . , N−
- 1, and N>
=3, the method comprising;
dividing the available frequency resources of the frequency band into N subsets indexed by j, where j=0, . . . , N−
1, wherein the frequency resources in each of the subsets are not consecutive and wherein each available frequency resource is assigned to only one of the N subsets; and
for each downlink subframe of a frame, allocating each of the N subsets to a respective one of the N cells, such that each available frequency resource is allocated to only one of the N cells, for the downlink subframe,wherein Physical Cell ID (PCI) values of the N cells mod N are equal to 0, 1, . . . , N−
1 respectively, andwherein said allocating the N subsets comprises obtaining the index j of the subset to be allocated to the ith cell in the kth downlink subframe by j=(PCI value of the ith cell+k) mod N.
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Abstract
A method and a communication node of resource scheduling in a wireless communication network are disclosed. In the method, the network comprises N neighboring cells indexed by i which share the same frequency band, where i=0, . . . , N−1, N>=3. In the method, available frequency resources of the frequency band are divided into N subsets indexed by j, where j=0, . . . , N−1. The frequency resources in each of the subsets are not consecutive. The N subsets are allocated to the N cells in downlink subframes of a frame. The subsets allocated to each of the cells may vary among downlink subframes indexed by k, where k=0, . . . , K−1, K being the number of downlink subframes in the frame.
26 Citations
18 Claims
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1. A method of resource scheduling in a wireless communication network, the network comprising N neighbouring cells indexed by i which share the same frequency band, where i=0, . . . , N−
- 1, and N>
=3, the method comprising;dividing the available frequency resources of the frequency band into N subsets indexed by j, where j=0, . . . , N−
1, wherein the frequency resources in each of the subsets are not consecutive and wherein each available frequency resource is assigned to only one of the N subsets; andfor each downlink subframe of a frame, allocating each of the N subsets to a respective one of the N cells, such that each available frequency resource is allocated to only one of the N cells, for the downlink subframe, wherein Physical Cell ID (PCI) values of the N cells mod N are equal to 0, 1, . . . , N−
1 respectively, andwherein said allocating the N subsets comprises obtaining the index j of the subset to be allocated to the ith cell in the kth downlink subframe by j=(PCI value of the ith cell+k) mod N. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- 1, and N>
-
11. A communication node for resource scheduling in a wireless communication network, the network comprising N neighbouring cells indexed by i which share the same downlink frequency band, where i=0, . . . , N−
- 1, N>
=3, the communication node comprising;a resource scheduler configured to; divide the available frequency resources of the downlink frequency band into N subsets indexed by j, where j=0, . . . , N−
1, wherein the frequency resources in each of the subsets are not consecutive and wherein each available frequency resource is assigned to only one of the N subsets; and
,for each downlink subframe of a frame, allocate each of the N subsets to a respective one the N cells, such that each available frequency resource is allocated to only one of the N cells, for the downlink subframe; and an interface circuit configured to inform the N cells of the allocation, wherein Physical Cell ID (PCI) values of the N cells mod N are equal to 0, 1, . . . , N−
1 respectively, andwherein the resource scheduler is configured to obtain the index j of the subset to be allocated to the ith cell in the kth downlink subframe by j=(PCI value of the ith cell+k) mod N. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
- 1, N>
Specification