Systems and Methods for Determining Air Interface Configuration

Abstract

A method and system of allocating resources in a Radio Access Network that includes associating each of a plurality of services with a slice that is allocated a unique set of network resources and transmitting information in the Radio Access Network for at least one of the services using the slice associated with the at least one service.

What is claimed is: 
     
         1 . A method comprising:
 selecting, by a controller in an access network, a first group access points (APs) as a member of a first cell associated with a first RAN slice;   sending, by the controller, a first message to the first group APs, wherein the first message indicates information of the first cell;   selecting, by the controller, a second group APs as a member of a second cell associated with a second RAN slice; wherein the first RAN slice provides different service from the second RAN slice with different numerologies; and   sending, by the controller, a second message to the second group APs, wherein the second message indicates information of the second cell;   wherein each of the first and second message comprises one or a combination of: cell Identifier (ID), slice ID, service ID, access point set ID, or any other ID to identify the cell, or a list of the access points of one of the cells.   
     
     
         2 . The method of  claim 1  further comprising, before the sending the first message, selecting, by the controller, the first group APs and the second group APs to group different cells to provide one or more different RAN slices based on mobility of a user equipment. 
     
     
         3 . The method of  claim 1  further comprising, before the sending the first message, obtaining, by the controller, the information of the first and second cell associated with a randomization sequence or scheme for a respective cell. 
     
     
         4 . The method of  claim 3 , wherein each randomization sequence or scheme is associated with a respective randomization ID. 
     
     
         5 . The method of  claim 4  wherein the randomization ID is a cell ID, the method further comprising:
 randomizing, by the controller, a bit sequence using the cell ID; and 
 performing, by the controller, bitwise exclusive or to the bit sequence before modulation with a pseudo-random sequence generated or associated with the cell ID. 
 
     
     
         6 . The method of  claim 1 , further comprising:
 maintaining, by the controller, a mapping relationship between a cell ID for each cell and a synchronization sequence.   
     
     
         7 . The method of  claim 1 , wherein the first cell and the second cell are hyper cells, and the hyper cells provide a wireless access for a coverage area with non-cellular grid among the APs, and wherein the coverage area serves a user equipment (UE) moving freely in the coverage area. 
     
     
         8 . A controller in an access network comprising a plurality of access points (APs), comprising:
 a non-transitory memory storage comprising instructions; and   one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 select a first group access points (APs) as a member of a first cell associated with a first RAN slice, and send a first message to the first group APs, wherein the first message indicates information of the first cell; and 
 select a second group APs as a member of a second cell associated with a second RAN slice; and send a second message to the second group APs, wherein the second message indicates information of the second cell; 
 wherein the first RAN slice provides different service from the second RAN slice with different numerologies, and each of the first and second message comprises one or a combination of: cell Identifier (ID), slice ID, service ID, access point set ID, or any other ID to identify the cell, or a list of the access points of one of the cells. 
   
     
     
         9 . The controller of  claim 8 , wherein the non-transient memory storage further stores instructions to obtain the information of the first and second cell associated with a randomization sequence or scheme for a respective cell. 
     
     
         10 . The controller of  claim 9 , wherein each randomization sequence or scheme is associated with a respective randomization ID. 
     
     
         11 . The controller of  claim 8 , wherein the non-transient memory storage further stores instructions to maintain a mapping relationship between a cell ID for each cell and a synchronization sequence. 
     
     
         12 . A method comprising:
 receiving, by an access point (AP), a first message from a controller, wherein the first message indicates information of a first cell grouping a first group access points (APs) associated with a first RAN slice; and   receiving, by the AP, a second message from the controller, wherein the second message indicates information of a second cell grouping a second group access points (APs) associated with a second RAN slice;   wherein the first RAN slice provides different service from the second RAN slice with different numerologies, and each of the first and second message comprises one or a combination of: cell Identifier (ID), slice ID, service ID, access point set ID, or any other ID to identify the cell, or a list of the access points of one of the cells.   
     
     
         13 . The method of  claim 12 , wherein the information of the cell is associated with a randomization sequence or scheme for a respective cell. 
     
     
         14 . The method of  claim 13 , wherein each randomization sequence or scheme is associated with a respective randomization ID. 
     
     
         15 . The method of  claim 14 , the method further comprises:
 sending, by the AP, synchronization information to a user equipment (UE), wherein the synchronization information comprises a synchronization sequence, and the synchronization sequence is associated with the randomization sequence.   
     
     
         16 . The method of  claim 15 , the method further comprising:
 communicating, by the AP, uplink and downlink transmissions to the UE using a different randomization sequence for uplink and downlink transmissions.   
     
     
         17 . The method of  claim 16  wherein:
 the randomization sequence for downlink transmission has a mapping relationship with the synchronization sequence, and the randomization sequence for downlink transmission has a pre-defined relationship with the randomization sequence for uplink transmission. 
 
     
     
         18 . A network access point (AP), comprising:
 a non-transitory memory storage comprising instructions; and   one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 receive a first message from a controller, wherein the first message indicates information of a first cell grouping a first group access points (APs) associated with a first RAN slice; receive a second message from the controller, wherein the second message indicates information of a second cell grouping a second group access points (APs) associated with a second RAN slice; 
 wherein the first RAN slice provides different service from the second RAN slice with different numerologies, and each of the first and second message comprises one or a combination of: cell Identifier (ID), slice ID, service ID, access point set ID, or any other ID to identify the cell, or a list of the access points of one of the cell. 
   
     
     
         19 . The AP of  claim 18 , wherein the information of the cell is associated with a randomization sequence or scheme for a respective cell. 
     
     
         20 . The AP of  claim 19 , wherein each randomization sequence or scheme is associated with a respective randomization ID. 
     
     
         21 . The AP of  claim 20 , wherein the non-transient memory storage further stores instructions to send synchronization information to a user equipment (UE), wherein the synchronization information comprises a synchronization sequence, and the synchronization sequence is associated with the randomization sequence. 
     
     
         22 . A method in a user equipment (UE) comprising:
 receiving, by the UE, a synchronization information from an access point (AP),   obtaining, by the UE, a cell ID of a cell associated with a RAN slice; and   sending, by the UE, data to the AP with a set of transmission parameters associated with the RAN slice, wherein the set of transmission parameters is one of the multiple sets of transmission parameters associated with multiple RAN slices.   
     
     
         23 . The method of  claim 22 , the method further comprising:
 decoding successfully, by the UE, a synchronization sequence from candidate synchronization signals; and   obtaining, by the UE, the cell ID based on a pre-defined relationship between the cell ID and the synchronization sequence.   
     
     
         24 . The method of  claim 23 , wherein the synchronization sequence is associated with a randomization sequence, and the randomization sequence is associated with a respective cell ID. 
     
     
         25 . The method of  claim 23 , the method further comprising:
 receiving, by the UE, information from two APs serving to same or different RAN slice.   
     
     
         26 . The method of  claim 23 , wherein the cell is hyper cell, and the hyper cell provides a wireless access for a coverage area with non-cellular grid among the APs, and wherein the coverage area serves a user equipment (UE) moving freely in the coverage area. 
     
     
         27 . A User Equipment (UE) comprising:
 a non-transitory memory storage comprising instructions; and   one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 receive a synchronization information from an access point (AP); 
 obtain a cell ID of a cell associated with a RAN slice; and 
 send data to the AP with a set of transmission parameter associated with the RAN slice, wherein the set of transmission parameters is one of the multiple sets of transmission parameter associated with multiple RAN slices. 
   
     
     
         28 . The UE of  claim 27 , wherein the non-transient memory storage further comprises instructions to:
 decode successfully a synchronization sequence from candidate synchronization signals;   and obtain the cell ID based on a pre-defined relationship between the cell ID and the synchronization sequence.   
     
     
         29 . The UE of  claim 28 , wherein the synchronization sequence is associated with a randomization sequence, and the randomization sequence is associated with a respective cell ID. 
     
     
         30 . The UE of  claim 28 , wherein the cell is a hyper cell, wherein the hyper cell provides a wireless access for a coverage area with non-cellular grid among the APs, and wherein the coverage area serves a user equipment (UE) moving freely in the coverage area.