human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "imperfect and unmatched csit is still useful for the frequency correlated miso broadcast channel"
  Abstract: Since Maddah-Ali and Tse showed that the completely stale transmitter-side channel state information (CSIT) still benefits the Degrees of Freedom (DoF) of the Multiple-Input-Multiple-Output (MISO) Broadcast Channel (BC), there has been much interest in the academic literature to investigate the impact of imperfect CSIT on \emph{DoF} region of time correlated broadcast channel. Even though the research focus has been on time correlated channels so far, a similar but different problem concerns the frequency correlated channels. Indeed, the imperfect CSIT also impacts the DoF region of frequency correlated channels, as exemplified by current multi-carrier wireless systems. #R##N#This contribution, for the first time in the literature, investigates a general frequency correlated setting where a two-antenna transmitter has imperfect knowledge of CSI of two single-antenna users on two adjacent subbands. A new scheme is derived as an integration of Zero-Forcing Beamforming (ZFBF) and the scheme proposed by Maddah-Ali and Tse. The achievable DoF region resulted by this scheme is expressed as a function of the qualities of CSIT.

Connected through hyperedge HE-1 (induced by source paper "feedback aided coded caching for the miso bc with small caches"):
  with members:
    - "optimal sum dof of the k user miso bc with current and delayed feedback"
    - "the synergistic gains of coded caching and delayed feedback"
    - "information theoretic caching sequential coding for computing"
    - "joint cache channel coding over erasure broadcast channels"
    - "critical database size for effective caching"
    - "on the benefits of edge caching for mimo interference alignment"
    - "finite length analysis of caching aided coded multicasting"
    - "a transfer learning approach for cache enabled wireless networks"

Connected through hyperedge HE-2 (induced by source paper "the synergistic gains of coded caching and delayed feedback"):
  with members:
    - "achieving full dof in heterogeneous parallel broadcast channels with outdated csit"
    - "information theoretic caching sequential coding for computing"
    - "joint cache channel coding over erasure broadcast channels"
    - "critical database size for effective caching"
    - "caching aided coded multicasting with multiple random requests"
    - "a transfer learning approach for cache enabled wireless networks"
    - "effect of number of users in multi level coded caching"
    - "the performance analysis of coded cache in wireless fading channel"

Connected through hyperedge HE-3 (induced by source paper "miso networks with imperfect csit a topological rate splitting approach"):
  with members:
    - "sum rate maximization for linearly precoded downlink multiuser miso systems with partial csit a rate splitting approach"
    - "robust transmission in downlink multiuser miso systems a rate splitting approach"
    - "dof analysis of the mimo broadcast channel with alternating hybrid csit"
    - "rate analysis of two receiver miso broadcast channel with finite rate feedback a rate splitting approach"
    - "topological interference management with transmitter cooperation"
    - "topological interference management through index coding"
    - "aligned image sets under channel uncertainty settling a conjecture by lapidoth shamai and wigger on the collapse of degrees of freedom under finite precision csit"
    - "multilevel topological interference management"

Connected through hyperedge HE-4 (induced by source paper "dof analysis of the mimo broadcast channel with alternating hybrid csit"):
  with members:
    - "miso broadcast channel with hybrid csit beyond two users"
    - "distributed space time interference alignment with moderately delayed csit"
    - "aligned image sets under channel uncertainty settling a conjecture by lapidoth shamai and wigger on the collapse of degrees of freedom under finite precision csit"
    - "on the degrees of freedom of the 3 user miso broadcast channel with hybrid csit"
    - "the degrees of freedom region of temporally correlated mimo networks with delayed csit"
    - "on the degrees of freedom of the k user time correlated broadcast channel with delayed csit"
    - "on the dof region of the k user miso broadcast channel with hybrid csit"
    - "miso broadcast channel with imperfect and un matched csit in the frequency domain dof region and transmission strategies"

Connected through hyperedge HE-5 (induced by source paper "achievable dof regions of mimo networks with imperfect csit"):
  with members:
    - "elevated multiplexing and signal space partitioning in the 2 user mimo ic with partial csit"
    - "sum rate maximization for linearly precoded downlink multiuser miso systems with partial csit a rate splitting approach"
    - "dof analysis of the mimo broadcast channel with alternating hybrid csit"
    - "rate analysis of two receiver miso broadcast channel with finite rate feedback a rate splitting approach"
    - "aligned image sets under channel uncertainty settling a conjecture by lapidoth shamai and wigger on the collapse of degrees of freedom under finite precision csit"
    - "the degrees of freedom region of temporally correlated mimo networks with delayed csit"
    - "optimal dof region of the two user miso bc with general alternating csit"
    - "miso broadcast channel with imperfect and un matched csit in the frequency domain dof region and transmission strategies"

Connected through hyperedge HE-6 (induced by source paper "fundamental limits of cache aided wireless bc interplay of coded caching and csit feedback"):
  with members:
    - "fundamental tradeoff between storage and latency in cache aided wireless interference networks"
    - "degrees of freedom of cache aided wireless interference networks"
    - "optimal sum dof of the k user miso bc with current and delayed feedback"
    - "optimal dof of the k user broadcast channel with delayed and imperfect current csit"
    - "achieving full dof in heterogeneous parallel broadcast channels with outdated csit"
    - "the synergistic gains of coded caching and delayed feedback"
    - "information theoretic caching sequential coding for computing"
    - "joint cache channel coding over erasure broadcast channels"

Connected through hyperedge HE-7 (induced by source paper "dof analysis of the k user miso broadcast channel with hybrid csit"):
  with members:
    - "aligned image sets under channel uncertainty settling a conjecture by lapidoth shamai and wigger on the collapse of degrees of freedom under finite precision csit"
    - "on the degrees of freedom of the 3 user miso broadcast channel with hybrid csit"
    - "on the degrees of freedom of the k user time correlated broadcast channel with delayed csit"
    - "on the dof region of the k user miso broadcast channel with hybrid csit"
    - "miso broadcast channel with imperfect and un matched csit in the frequency domain dof region and transmission strategies"
    - "degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "degrees of freedom region of the miso broadcast channel with general mixed csit"
    - "optimal use of current and outdated channel state information degrees of freedom of the miso bc with mixed csit"

Connected through hyperedge HE-8 (induced by source paper "on the vector broadcast channel with alternating csit a topological perspective"):
  with members:
    - "capacity results for binary fading interference channels with delayed csit"
    - "topological interference management through index coding"
    - "the degrees of freedom region of temporally correlated mimo networks with delayed csit"
    - "symmetric two user mimo bc and ic with evolving feedback"
    - "degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "on the fundamental feedback vs performance tradeoff over the miso bc with imperfect and delayed csit"
    - "degrees of freedom region of the miso broadcast channel with general mixed csit"
    - "optimal use of current and outdated channel state information degrees of freedom of the miso bc with mixed csit"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.IT(Information Theory)