Multi-user scheduling in cellular uplinks

• US 9,191,962 B2
• Filed: 07/30/2012
• Issued: 11/17/2015
• Est. Priority Date: 07/28/2011
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Laboratories America Inc (NEC Corporation)
• Inventors: Prasad, Narayan, Zhang, Honghai, Rangarajan, Sampath
• Primary Examiner(s): KASSIM, KHALED M
• Application Number:
  US13/561,805
• Publication Number:
  US 20130170366A1
• Time in Patent Office: 1,205 Days
• US Class Current: 1/1
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0039 Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04W 72/542 using measured or perceived quality

Abstract

Disclosed herein are techniques, methods, and apparatus pertaining to a multi-user scheduling in 4G and 3GPP LTE cellular uplinks.

Claims

1. A system, for cellular uplink scheduling, comprising:

a processor;

a wireless transceiver coupled to the processor;

and computer readable code executed by the processor to;

for a given K and N, wherein K is the number of U users and N is the number of resource Blocks (RBs),

determine metrics of all combinations {p(U,C);

(U,c)∈

M} including;

{p(U,c)} ∀

(U,c)∈

and {β

^q(U,c)},

∀

(U,c)∈

, 1≦

q≦

J,

execute a local ration ratio test (LRT) module including;