Method and apparatus for candidate list generation for uplink v-mimo

Abstract

A method selects mobile station candidates for use with virtual multiple-input multiple-output (“V-MIMO”) in a communication system. The communication system includes at least one base station and a plurality of mobile stations. At least one downlink metric is determined for a first mobile station. The at least one downlink metric is used to determine eligibility for uplink V-MIMO candidate list selection. Responsive to determining that the first mobile station is eligible for uplink V-MIMO candidate list selection, the first mobile station is paired with a second mobile station eligible for uplink V-MIMO candidate list selection.

1 . An apparatus for communication using a wireless communication network, the apparatus comprising:
 interleaver configured to interleave assigned resources for a distributed transmission arrangement by mapping a set of logical indices to a set of physical resource blocks by:
 creating an intermediate indexing matrix of logical elements of at least one physical resource block; and 
 permutating rows and columns of the intermediate indexing matrix; and 
   a transceiver in electrical communication with the interleaver, the transceiver configured to transmit and receive data packets through the wireless communication network.   
     
     
         2 . The apparatus of  claim 1  wherein the set of logical indices include sequential logical indices separated by a maximum spacing within the set of physical resource blocks. 
     
     
         3 . The apparatus of  claim 1 , wherein the interleaver co-exists with a localized transmission arrangement. 
     
     
         4 . The apparatus of  claim 1 , wherein the set of physical resource blocks includes a set of Orthogonal Frequency-Division Multiplexing subcarriers. 
     
     
         5 . The apparatus of  claim 1 , wherein the network operates using Long Term Evolution. 
     
     
         6 . The apparatus of  claim 1 , wherein the at least one physical resource block is divided into a predetermined amount of sub-portions, and wherein the intermediate indexing links the predetermined amount of sub-portions together using a predefined pattern. 
     
     
         7 . The apparatus of  claim 6 , wherein the mapping comprises a mirrored mapping in which each logical index, K, in physical resource block L is linked to a logical index, Nd-K, in an intermediate indexing matrix, where Nd is the predetermined amount of sub-portions. 
     
     
         8 . The apparatus of  claim 6 , wherein the pattern links sub-portions separated by a fixed spacing. 
     
     
         9 . The apparatus of  claim 1 , wherein the mapping comprises an identity mapping in which each logical element of the at least one physical resource block is mapped directly to a corresponding element of the intermediate indexing matrix in a order of occurrence. 
     
     
         10 . The apparatus of  claim 1 , further comprising a deinterleaver electrically coupled to the transceiver, the deinterleaver configured to deinterleave interleaved data packets received from the wireless communication network, 
     
     
         11 . A method of mapping assigned resources for a distributed transmission arrangement in a wireless communication network, the method comprising mapping a set of logical indices to a set of physical resource blocks by:
 creating an intermediate indexing matrix of logical elements of at least one physical resource block; and   permutating rows and columns of the intermediate indexing matrix.   
     
     
         12 . The method of  claim 11 , wherein the set of logical indices includes sequential logical indices separated by a maximum spacing within the set. 
     
     
         13 . The method of  claim 11 , wherein the mapping co-exists with a localized transmission arrangement. 
     
     
         14 . The method of  claim 11 , wherein the set of physical resource blocks includes a set of Orthogonal Frequency-Division Multiplexing subcarriers. 
     
     
         15 . The method of  claim 11 , wherein the network operates using Long Term Evolution. 
     
     
         16 . The method of  claim 11 , wherein the at least one physical resource block is divided into a predetermined amount of sub-portions, and wherein the intermediate indexing links the predetermined amount of sub-portions together using a predefined pattern. 
     
     
         17 . The method of  claim 16 , wherein the mapping comprises a mirrored mapping in which each logical index, K, in physical resource block L is linked to a logical index, Nd-K, in an intermediate indexing matrix, where Nd is the predetermined amount of sub-portions, 
     
     
         18 . The method of  claim 16 , wherein the pattern links sub-portions separated by a fixed spacing. 
     
     
         19 . The method of  claim 11 , wherein the mapping comprises an identity mapping in which each logical element of the at least one physical resource block is mapped directly to a corresponding element of the intermediate indexing matrix in a order of occurrence. 
     
     
         20 . The method of  claim 11 , further comprising deinterleaving interleaved data packets received from the wireless communication network.